Remove jsonpath-rs build in travis.yml

Bumps [handlebars](https://github.com/wycats/handlebars.js) from 4.1.2 to 4.5.3.
- [Release notes](https://github.com/wycats/handlebars.js/releases)
- [Changelog](https://github.com/wycats/handlebars.js/blob/master/release-notes.md)
- [Commits](https://github.com/wycats/handlebars.js/compare/v4.1.2...v4.5.3)

Signed-off-by: dependabot[bot] <support@github.com>

.idea/runConfigurations/all.xml

@@ -4,9 +4,12 @@
     <option name="command" value="test --package jsonpath_lib" />
     <option name="allFeatures" value="false" />
     <option name="nocapture" value="true" />
-    <option name="backtrace" value="SHORT" />
+    <option name="emulateTerminal" value="false" />
+    <option name="backtrace" value="NO" />
     <option name="workingDirectory" value="file://$PROJECT_DIR$" />
     <envs />
-    <method v="2" />
+    <method v="2">
+      <option name="CARGO.BUILD_TASK_PROVIDER" enabled="true" />
+    </method>
   </configuration>
 </component>

.travis.yml

@@ -21,10 +21,16 @@ matrix:
         if [[ "$TRAVIS_RUST_VERSION" == stable ]]; then
           cargo install cargo-tarpaulin -f
         fi
+      before_script:
+        - rustup component add clippy
       script:
         - cargo clean
+        - cargo clippy -- -D warnings
         - cargo build --verbose --all
+        - cargo clippy --all-targets --all-features -- -D warnings -A clippy::cognitive_complexity
         - cargo test --verbose --all
+        - cd wasm && cargo clippy -- -D warnings -A clippy::suspicious_else_formatting
+        - cd ../../
       after_success: |
         cargo tarpaulin --exclude-files nodejs wasm parser/mod.rs --out Xml
         bash <(curl -s https://codecov.io/bash)
@@ -47,13 +53,12 @@ matrix:
         - sh /tmp/rustup.sh -y
         - export PATH="$HOME/.cargo/bin:$PATH"
         - source "$HOME/.cargo/env"
-        - npm install -g neon-cli
-        - cd nodejs
         - node -v
         - npm -v
-        - npm install
+      before_script:
+        - curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh -s -- -f
       script:
-        - npm test
+        - bash ./build-wasm.sh
     - language: node_js
       os: osx
       node_js:
@@ -66,10 +71,9 @@ matrix:
         - sh /tmp/rustup.sh -y
         - export PATH="$HOME/.cargo/bin:$PATH"
         - source "$HOME/.cargo/env"
-        - npm install -g neon-cli
-        - cd nodejs
         - node -v
         - npm -v
-        - npm install
+      before_script:
+        - curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh -s -- -f
       script:
-        - npm test
+        - bash ./build-wasm.sh

Cargo.toml

@@ -1,15 +1,15 @@
 [package]
 name = "jsonpath_lib"
-version = "0.2.3"
+version = "0.2.4"
 authors = ["Changseok Han <freestrings@gmail.com>"]
 
 description = "It is JsonPath engine written in Rust. it provide a similar API interface in Webassembly and Javascript too. - Webassembly Demo: https://freestrings.github.io/jsonpath"
 readme = "README.md"
 
-keywords = ["jsonpath", "json", "webassembly", "nodejs", "javascript"]
+keywords = ["jsonpath", "json", "webassembly", "nodejs", "query"]
 
 repository = "https://github.com/freestrings/jsonpath"
-documentation = "https://docs.rs/jsonpath_lib/0.1.0/jsonpath_lib"
+documentation = "https://docs.rs/jsonpath_lib/0.2.4/jsonpath_lib"
 license = "MIT"
 
 categories = ["parsing"]
@@ -19,18 +19,16 @@ travis-ci = { repository = "freestrings/jsonpath", branch = "master" }
 
 [dependencies]
 log = "0.4"
-env_logger = "0.6"
+env_logger = "0.7"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = { version = "1.0", features = ["preserve_order"] }
 array_tool = "1.0.3"
 
-[dev-dependencies]
-bencher = "0.1.5"
-
 [lib]
 name = "jsonpath_lib"
 path = "src/lib.rs"
+crate-type = ["cdylib", "rlib"]
 
 [profile.release]
 #debug = true
-#lto = false
+#lto = false

README.md

@@ -2,7 +2,6 @@
 
 [![Build Status](https://travis-ci.org/freestrings/jsonpath.svg?branch=master)](https://travis-ci.org/freestrings/jsonpath)
 ![crates.io](https://img.shields.io/crates/v/jsonpath_lib.svg)
-![npm](https://img.shields.io/npm/v/jsonpath-rs.svg?label=npm%20%60jsonpath-rs%60)
 ![npm](https://img.shields.io/npm/v/jsonpath-wasm.svg?label=npm%20%60jsonpath-wasm%60)
 ![Codecov](https://img.shields.io/codecov/c/github/freestrings/jsonpath.svg?token=92c41b4e7cf04a9cbebc08f68c5da615)
 
@@ -12,7 +11,6 @@ It is JsonPath [JsonPath](https://goessner.net/articles/JsonPath/) engine writte
 
 - [Webassembly Demo](https://freestrings.github.io/jsonpath/)
 - [NPM jsonpath-wasm - webassembly](https://www.npmjs.com/package/jsonpath-wasm)
-- [NPM jsonpath-rs - native addon](https://www.npmjs.com/package/jsonpath-rs)
 
 ## Rust API
 
@@ -92,7 +90,7 @@ let result = selector_mut
             0
         };
 
-        json!(age)
+        Some(json!(age))
     }).unwrap()
     .take().unwrap();
 
@@ -353,7 +351,7 @@ let ret = jsonpath::replace_with(json_obj, "$..[?(@.age == 20)].age", &mut |v| {
         0
     };
 
-    json!(age)
+    Some(json!(age))
 }).unwrap();
 
 assert_eq!(ret, json!({
@@ -388,18 +386,6 @@ import * as jsonpath from "jsonpath-wasm";
 const jsonpath = require('jsonpath-wasm');
 ```
 
-##### jsonpath-rs (NodeJS only)
-
-Goto [`jsonpath-rs` npmjs.org](https://www.npmjs.com/package/jsonpath-rs)
-
-```javascript
-const jsonpath = require('jsonpath-rs');
-```
-
-</details>
-
-<details><summary><b>Javascript - jsonpath.Selector class</b></summary>
-
 ##### jsonpath-wasm
 `wasm-bindgen` 리턴 타입 제약 때문에 빌더 패턴은 지원하지 않는다.
 
@@ -435,42 +421,6 @@ console.log(JSON.stringify(ret) == JSON.stringify(retObj));
 // => true
 ```
 
-##### jsonpath-rs
-
-```javascript
-let jsonObj = {
-    "school": {
-        "friends": [
-            {"name": "친구1", "age": 20},
-            {"name": "친구2", "age": 20}
-        ]
-    },
-    "friends": [
-        {"name": "친구3", "age": 30},
-        {"name": "친구4"}
-    ]
-};
-
-let ret = [
-    {"name": "친구3", "age": 30},
-    {"name": "친구1", "age": 20}
-];
-
-let selector = new jsonpath.Selector()
-    .path('$..friends[0]')
-    .value(jsonObj);
-
-let retObj = selector.select();
-
-console.log(JSON.stringify(ret) == JSON.stringify(retObj));
-
-// => true
-```
-
-</details>
-
-<details><summary><b>Javascript - jsonpath.SelectorMut class</b></summary>
-
 빌더 패턴 제약은 `Selector class`와 동일하다.
 
 ```javascript

bench.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -e
+
+#
+# rustup default nightly
+#
+
+cargo bench --manifest-path ./benchmark/Cargo.toml

benches/bench_native.sh

@@ -1,44 +0,0 @@
-#!/bin/bash
-
-set -e
-DIR="$(pwd)"
-
-cd "${DIR}"/bench_bin && cargo build --release
-
-ITER=100000
-
-printf "\n\n$..book[?(@.price<30 && @.category=="fiction")] (loop ${ITER})"
-printf "\n\n"
-
-__default () {
-    echo "Rust - select: " && time ./bench.sh select ${ITER}
-    printf "\n"
-    sleep 1
-    cd "${DIR}"/javascript && echo "NodeJs - jsonpath - query: " && time ./bench.sh jsonpath ${ITER}
-    printf "\n"
-    sleep 1
-    cd "${DIR}"/javascript && echo "NodeJs - jsonpath-rs - select:" && time ./bench.sh nativeSelect ${ITER}
-}
-
-__extra () {
-    echo "Rust - selector: " && time ./bench.sh selector ${ITER}
-    printf "\n"
-    sleep 1
-    echo "Rust - compile: " && time ./bench.sh compile ${ITER}
-    printf "\n"
-    sleep 1
-    cd "${DIR}"/javascript && echo "NodeJs - jsonpath - query: " && time ./bench.sh jsonpath ${ITER}
-    printf "\n"
-    sleep 1
-    cd "${DIR}"/javascript && echo "NodeJs - jsonpath-rs - selector: " && time ./bench.sh nativeSelector ${ITER}
-    printf "\n"
-    sleep 1
-    cd "${DIR}"/javascript && echo "NodeJs - jsonpath-rs - compile: " && time ./bench.sh nativeCompile ${ITER}
-    printf "\n"
-}
-
-if [ "$1" = "extra" ]; then
-    __extra
-else
-    __default
-fi

benches/package-lock.json

@@ -1,3 +0,0 @@
-{
-  "lockfileVersion": 1
-}

benchmark/.gitignore

@@ -0,0 +1,4 @@
+.idea/*
+.vscode
+/target/
+Cargo.lock

benchmark/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "jsonpath_lib_benches"
+version = "0.1.0"
+authors = ["Changseok Han <freestrings@gmail.com>"]
+description = "jsonpath_lib benchmark"
+license = "MIT"
+[dependencies]
+serde = { version = "1.0", features = ["derive"] }
+serde_json = { version = "1.0", features = ["preserve_order"] }
+jsonpath_lib = { path = "../" }
+
+[dev-dependencies]
+bencher = "0.1.5"
+
+[[bin]]
+name = "jsonpath_lib_benches"
+path = "src/main.rs"

benchmark/benches/bench.rs

@@ -22,7 +22,7 @@ fn read_json(path: &str) -> String {
 }
 
 fn get_string() -> String {
-    read_json("./benches/example.json")
+    read_json("./example.json")
 }
 
 fn get_json() -> Value {
@@ -109,7 +109,7 @@ fn bench_select_as(b: &mut Bencher) {
 #[bench]
 fn bench_delete(b: &mut Bencher) {
     let json = get_json();
-    let mut selector = SelectorMut::new();
+    let mut selector = SelectorMut::default();
     let _ = selector.str_path(get_path());
 
     b.iter(move || {
@@ -123,13 +123,13 @@ fn bench_delete(b: &mut Bencher) {
 fn bench_select_to_compare_with_delete(b: &mut Bencher) {
     let json = &get_json();
 
-    let mut selector = Selector::new();
+    let mut selector = Selector::default();
     let _ = selector.str_path(get_path());
 
     b.iter(move || {
         for _ in 1..100 {
             let json = json.clone();
-            let mut s = Selector::new();
+            let mut s = Selector::default();
             let _ = s.compiled_path(selector.node_ref().unwrap()).value(&json);
             let _ = s.select();
         }

benchmark/benches/bench_example.rs

@@ -19,7 +19,7 @@ fn read_json(path: &str) -> String {
 }
 
 fn get_string() -> String {
-    read_json("./benches/example.json")
+    read_json("./example.json")
 }
 
 fn get_json() -> Value {
@@ -53,7 +53,7 @@ fn _selector(b: &mut Bencher, index: usize) {
     let json = get_json();
     b.iter(move || {
         for _ in 1..100 {
-            let mut selector = jsonpath::Selector::new();
+            let mut selector = jsonpath::Selector::default();
             let _ = selector.str_path(get_path(index));
             selector.value(&json);
             let r = selector.select();

benchmark/example.json

@@ -34,4 +34,4 @@
     }
   },
   "expensive": 10
-}
+}

benchmark/javascript/bench.js

@@ -43,7 +43,6 @@ function getJson() {
 const path = '$..book[?(@.price<30 && @.category=="fiction")]';
 const jp = require('jsonpath');
 const jpw = require('jsonpath-wasm');
-const jpwRs = require('jsonpath-rs');
 
 function jsonpath() {
     for (var i = 0; i < iter; i++) {
@@ -51,26 +50,6 @@ function jsonpath() {
     }
 }
 
-function nativeCompile() {
-    let template = jpwRs.compile(path);
-    for (var i = 0; i < iter; i++) {
-        let _ = template(JSON.stringify(json));
-    }
-}
-
-function nativeSelector() {
-    let selector = jpwRs.selector(getJson());
-    for (var i = 0; i < iter; i++) {
-        let _ = selector(path);
-    }
-}
-
-function nativeSelect() {
-    for (var i = 0; i < iter; i++) {
-        let _ = jpwRs.select(JSON.stringify(json), path);
-    }
-}
-
 function wasmSelector() {
     let selector = jpw.selector(getJson());
     for (var i = 0; i < iter; i++) {

benchmark/src/main.rs

@@ -0,0 +1 @@
+fn main() {}

build.sh

@@ -11,7 +11,7 @@ WASM_BROWSER_PKG="${WASM}"/browser_pkg
 WASM_NODEJS_PKG="${WASM}"/nodejs_pkg
 WASM_ALL_PKG="${WASM}"/all_pkg
 WASM_TEST="${WASM}"/tests
-BENCHES="${DIR}"/benches
+BENCHES="${DIR}"/benchmark
 BENCHES_JS="${BENCHES}"/javascript
 NODEJS="${DIR}"/nodejs
 DOCS="${DIR}"/docs
@@ -28,6 +28,16 @@ __cargo_clean () {
         cd "${DIR}" && cargo clean
 }
 
+if [ "$1" = "clippy" ]
+then
+    echo
+    __msg "clippy"
+    cargo clippy -- -D warnings && \
+    cargo clippy --all-targets --all-features -- -D warnings -A clippy::cognitive_complexity && \
+    cd "${WASM}" && cargo clippy -- -A clippy::suspicious_else_formatting && \
+    cd "${NODEJS}" && cargo clippy
+fi
+
 echo
 __msg "clean"
 rm -rf \
@@ -96,8 +106,7 @@ cd "${WASM_WWW_BENCH}" && \
     npm link jsonpath-wasm
 
 cd "${BENCHES_JS}" && \
-    npm link jsonpath-wasm && \
-    npm link jsonpath-rs
+    npm link jsonpath-wasm
 
 cd "${WASM_TEST}" && \
     npm link jsonpath-wasm

docs/bench/bootstrap.js

@@ -55,24 +55,24 @@
 /******/ 		"../all_pkg/jsonpath_wasm_bg.wasm": function() {
 /******/ 			return {
 /******/ 				"./jsonpath_wasm": {
-/******/ 					"__wbindgen_cb_forget": function(p0i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_cb_forget"](p0i32);
-/******/ 					},
-/******/ 					"__wbg_error_34d316e12ff05c33": function(p0i32,p1i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbg_error_34d316e12ff05c33"](p0i32,p1i32);
-/******/ 					},
-/******/ 					"__wbindgen_object_drop_ref": function(p0i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_object_drop_ref"](p0i32);
-/******/ 					},
-/******/ 					"__wbindgen_string_new": function(p0i32,p1i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_string_new"](p0i32,p1i32);
-/******/ 					},
 /******/ 					"__wbindgen_json_parse": function(p0i32,p1i32) {
 /******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_json_parse"](p0i32,p1i32);
 /******/ 					},
 /******/ 					"__wbindgen_json_serialize": function(p0i32,p1i32) {
 /******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_json_serialize"](p0i32,p1i32);
 /******/ 					},
+/******/ 					"__wbg_error_bb0b0e541b3bff31": function(p0i32,p1i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbg_error_bb0b0e541b3bff31"](p0i32,p1i32);
+/******/ 					},
+/******/ 					"__wbindgen_object_drop_ref": function(p0i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_object_drop_ref"](p0i32);
+/******/ 					},
+/******/ 					"__wbindgen_cb_forget": function(p0i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_cb_forget"](p0i32);
+/******/ 					},
+/******/ 					"__wbindgen_string_new": function(p0i32,p1i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_string_new"](p0i32,p1i32);
+/******/ 					},
 /******/ 					"__wbg_call_88d2a6153573084e": function(p0i32,p1i32,p2i32,p3i32) {
 /******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbg_call_88d2a6153573084e"](p0i32,p1i32,p2i32,p3i32);
 /******/ 					},
@@ -94,11 +94,11 @@
 /******/ 					"__wbindgen_rethrow": function(p0i32) {
 /******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_rethrow"](p0i32);
 /******/ 					},
-/******/ 					"__wbindgen_closure_wrapper24": function(p0i32,p1i32,p2i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_closure_wrapper24"](p0i32,p1i32,p2i32);
+/******/ 					"__wbindgen_closure_wrapper115": function(p0i32,p1i32,p2i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_closure_wrapper115"](p0i32,p1i32,p2i32);
 /******/ 					},
-/******/ 					"__wbindgen_closure_wrapper26": function(p0i32,p1i32,p2i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_closure_wrapper26"](p0i32,p1i32,p2i32);
+/******/ 					"__wbindgen_closure_wrapper117": function(p0i32,p1i32,p2i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_closure_wrapper117"](p0i32,p1i32,p2i32);
 /******/ 					}
 /******/ 				}
 /******/ 			};
@@ -198,7 +198,7 @@
 /******/ 				promises.push(installedWasmModuleData);
 /******/ 			else {
 /******/ 				var importObject = wasmImportObjects[wasmModuleId]();
-/******/ 				var req = fetch(__webpack_require__.p + "" + {"../all_pkg/jsonpath_wasm_bg.wasm":"55551fd5e2e4117f5a0a"}[wasmModuleId] + ".module.wasm");
+/******/ 				var req = fetch(__webpack_require__.p + "" + {"../all_pkg/jsonpath_wasm_bg.wasm":"33fd09cf53124f20b1e8"}[wasmModuleId] + ".module.wasm");
 /******/ 				var promise;
 /******/ 				if(importObject instanceof Promise && typeof WebAssembly.compileStreaming === 'function') {
 /******/ 					promise = Promise.all([WebAssembly.compileStreaming(req), importObject]).then(function(items) {

docs/bootstrap.js

@@ -55,24 +55,24 @@
 /******/ 		"../all_pkg/jsonpath_wasm_bg.wasm": function() {
 /******/ 			return {
 /******/ 				"./jsonpath_wasm": {
-/******/ 					"__wbindgen_cb_forget": function(p0i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_cb_forget"](p0i32);
-/******/ 					},
-/******/ 					"__wbg_error_34d316e12ff05c33": function(p0i32,p1i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbg_error_34d316e12ff05c33"](p0i32,p1i32);
-/******/ 					},
-/******/ 					"__wbindgen_object_drop_ref": function(p0i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_object_drop_ref"](p0i32);
-/******/ 					},
-/******/ 					"__wbindgen_string_new": function(p0i32,p1i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_string_new"](p0i32,p1i32);
-/******/ 					},
 /******/ 					"__wbindgen_json_parse": function(p0i32,p1i32) {
 /******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_json_parse"](p0i32,p1i32);
 /******/ 					},
 /******/ 					"__wbindgen_json_serialize": function(p0i32,p1i32) {
 /******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_json_serialize"](p0i32,p1i32);
 /******/ 					},
+/******/ 					"__wbg_error_bb0b0e541b3bff31": function(p0i32,p1i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbg_error_bb0b0e541b3bff31"](p0i32,p1i32);
+/******/ 					},
+/******/ 					"__wbindgen_object_drop_ref": function(p0i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_object_drop_ref"](p0i32);
+/******/ 					},
+/******/ 					"__wbindgen_cb_forget": function(p0i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_cb_forget"](p0i32);
+/******/ 					},
+/******/ 					"__wbindgen_string_new": function(p0i32,p1i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_string_new"](p0i32,p1i32);
+/******/ 					},
 /******/ 					"__wbg_call_88d2a6153573084e": function(p0i32,p1i32,p2i32,p3i32) {
 /******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbg_call_88d2a6153573084e"](p0i32,p1i32,p2i32,p3i32);
 /******/ 					},
@@ -94,11 +94,11 @@
 /******/ 					"__wbindgen_rethrow": function(p0i32) {
 /******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_rethrow"](p0i32);
 /******/ 					},
-/******/ 					"__wbindgen_closure_wrapper24": function(p0i32,p1i32,p2i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_closure_wrapper24"](p0i32,p1i32,p2i32);
+/******/ 					"__wbindgen_closure_wrapper115": function(p0i32,p1i32,p2i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_closure_wrapper115"](p0i32,p1i32,p2i32);
 /******/ 					},
-/******/ 					"__wbindgen_closure_wrapper26": function(p0i32,p1i32,p2i32) {
-/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_closure_wrapper26"](p0i32,p1i32,p2i32);
+/******/ 					"__wbindgen_closure_wrapper117": function(p0i32,p1i32,p2i32) {
+/******/ 						return installedModules["../all_pkg/jsonpath_wasm.js"].exports["__wbindgen_closure_wrapper117"](p0i32,p1i32,p2i32);
 /******/ 					}
 /******/ 				}
 /******/ 			};
@@ -198,7 +198,7 @@
 /******/ 				promises.push(installedWasmModuleData);
 /******/ 			else {
 /******/ 				var importObject = wasmImportObjects[wasmModuleId]();
-/******/ 				var req = fetch(__webpack_require__.p + "" + {"../all_pkg/jsonpath_wasm_bg.wasm":"55551fd5e2e4117f5a0a"}[wasmModuleId] + ".module.wasm");
+/******/ 				var req = fetch(__webpack_require__.p + "" + {"../all_pkg/jsonpath_wasm_bg.wasm":"33fd09cf53124f20b1e8"}[wasmModuleId] + ".module.wasm");
 /******/ 				var promise;
 /******/ 				if(importObject instanceof Promise && typeof WebAssembly.compileStreaming === 'function') {
 /******/ 					promise = Promise.all([WebAssembly.compileStreaming(req), importObject]).then(function(items) {

examples/nodejs-rs/index.js

@@ -1,37 +0,0 @@
-const jsonpath = require('jsonpath-rs');
-
-let jsonObj = {
-    "school": {
-        "friends": [
-            {"name": "친구1", "age": 20},
-            {"name": "친구2", "age": 20}
-        ]
-    },
-    "friends": [
-        {"name": "친구3", "age": 30},
-        {"name": "친구4"}
-    ]
-};
-
-let ret = [
-    {"name": "친구3", "age": 30},
-    {"name": "친구1", "age": 20}
-];
-
-const path = '$..friends[0]';
-
-let ret1 = jsonpath.select(jsonObj, path);
-let ret2 = jsonpath.compile(path)(jsonObj);
-let ret3 = jsonpath.selector(jsonObj)(path);
-
-let selector = new jsonpath.Selector();
-selector.path(path);
-selector.value(jsonObj);
-let ret4 = selector.select();
-
-console.log(
-    JSON.stringify(ret) == JSON.stringify(ret1),
-    JSON.stringify(ret) == JSON.stringify(ret2),
-    JSON.stringify(ret) == JSON.stringify(ret3),
-    JSON.stringify(ret) == JSON.stringify(ret4)
-);

examples/nodejs-rs/package-lock.json

@@ -1,719 +0,0 @@
-{
-  "name": "jsonpath-rs-example",
-  "requires": true,
-  "lockfileVersion": 1,
-  "dependencies": {
-    "ansi-escape-sequences": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/ansi-escape-sequences/-/ansi-escape-sequences-4.1.0.tgz",
-      "integrity": "sha512-dzW9kHxH011uBsidTXd14JXgzye/YLb2LzeKZ4bsgl/Knwx8AtbSFkkGxagdNOoh0DlqHCmfiEjWKBaqjOanVw==",
-      "requires": {
-        "array-back": "^3.0.1"
-      },
-      "dependencies": {
-        "array-back": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/array-back/-/array-back-3.1.0.tgz",
-          "integrity": "sha512-TkuxA4UCOvxuDK6NZYXCalszEzj+TLszyASooky+i742l9TqsOdYCMJJupxRic61hwquNtppB3hgcuq9SVSH1Q=="
-        }
-      }
-    },
-    "ansi-escapes": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.2.0.tgz",
-      "integrity": "sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ=="
-    },
-    "ansi-regex": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
-      "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
-    },
-    "ansi-styles": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-      "requires": {
-        "color-convert": "^1.9.0"
-      }
-    },
-    "array-back": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/array-back/-/array-back-2.0.0.tgz",
-      "integrity": "sha512-eJv4pLLufP3g5kcZry0j6WXpIbzYw9GUB4mVJZno9wfwiBxbizTnHCw3VJb07cBihbFX48Y7oSrW9y+gt4glyw==",
-      "requires": {
-        "typical": "^2.6.1"
-      }
-    },
-    "balanced-match": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
-    },
-    "brace-expansion": {
-      "version": "1.1.11",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
-      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
-      "requires": {
-        "balanced-match": "^1.0.0",
-        "concat-map": "0.0.1"
-      }
-    },
-    "builtins": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/builtins/-/builtins-1.0.3.tgz",
-      "integrity": "sha1-y5T662HIaWRR2zZTThQi+U8K7og="
-    },
-    "chalk": {
-      "version": "2.4.2",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
-      "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-      "requires": {
-        "ansi-styles": "^3.2.1",
-        "escape-string-regexp": "^1.0.5",
-        "supports-color": "^5.3.0"
-      }
-    },
-    "chardet": {
-      "version": "0.4.2",
-      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.4.2.tgz",
-      "integrity": "sha1-tUc7M9yXxCTl2Y3IfVXU2KKci/I="
-    },
-    "check-node-version": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/check-node-version/-/check-node-version-4.0.1.tgz",
-      "integrity": "sha512-pWV+uuJJoOGbODDC6+DPUYeprv1CUg/jr1SGKpgkANstGN22f9T0Vn40mdv6hvRZ25KMH/IjkVc0LZH5ms+qEg==",
-      "requires": {
-        "chalk": "^2.3.0",
-        "map-values": "^1.0.1",
-        "minimist": "^1.2.0",
-        "object-filter": "^1.0.2",
-        "run-parallel": "^1.1.4",
-        "semver": "^5.7.0"
-      }
-    },
-    "cli-cursor": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-2.1.0.tgz",
-      "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
-      "requires": {
-        "restore-cursor": "^2.0.0"
-      }
-    },
-    "cli-width": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.0.tgz",
-      "integrity": "sha1-/xnt6Kml5XkyQUewwR8PvLq+1jk="
-    },
-    "color-convert": {
-      "version": "1.9.3",
-      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
-      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
-      "requires": {
-        "color-name": "1.1.3"
-      }
-    },
-    "color-name": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
-    },
-    "command-line-args": {
-      "version": "4.0.7",
-      "resolved": "https://registry.npmjs.org/command-line-args/-/command-line-args-4.0.7.tgz",
-      "integrity": "sha512-aUdPvQRAyBvQd2n7jXcsMDz68ckBJELXNzBybCHOibUWEg0mWTnaYCSRU8h9R+aNRSvDihJtssSRCiDRpLaezA==",
-      "requires": {
-        "array-back": "^2.0.0",
-        "find-replace": "^1.0.3",
-        "typical": "^2.6.1"
-      }
-    },
-    "command-line-commands": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/command-line-commands/-/command-line-commands-2.0.1.tgz",
-      "integrity": "sha512-m8c2p1DrNd2ruIAggxd/y6DgygQayf6r8RHwchhXryaLF8I6koYjoYroVP+emeROE9DXN5b9sP1Gh+WtvTTdtQ==",
-      "requires": {
-        "array-back": "^2.0.0"
-      }
-    },
-    "command-line-usage": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/command-line-usage/-/command-line-usage-4.1.0.tgz",
-      "integrity": "sha512-MxS8Ad995KpdAC0Jopo/ovGIroV/m0KHwzKfXxKag6FHOkGsH8/lv5yjgablcRxCJJC0oJeUMuO/gmaq+Wq46g==",
-      "requires": {
-        "ansi-escape-sequences": "^4.0.0",
-        "array-back": "^2.0.0",
-        "table-layout": "^0.4.2",
-        "typical": "^2.6.1"
-      }
-    },
-    "commander": {
-      "version": "2.20.0",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.0.tgz",
-      "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
-      "optional": true
-    },
-    "concat-map": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
-    },
-    "deep-extend": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
-      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA=="
-    },
-    "escape-string-regexp": {
-      "version": "1.0.5",
-      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-      "integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
-    },
-    "external-editor": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/external-editor/-/external-editor-2.2.0.tgz",
-      "integrity": "sha512-bSn6gvGxKt+b7+6TKEv1ZycHleA7aHhRHyAqJyp5pbUFuYYNIzpZnQDk7AsYckyWdEnTeAnay0aCy2aV6iTk9A==",
-      "requires": {
-        "chardet": "^0.4.0",
-        "iconv-lite": "^0.4.17",
-        "tmp": "^0.0.33"
-      }
-    },
-    "figures": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/figures/-/figures-2.0.0.tgz",
-      "integrity": "sha1-OrGi0qYsi/tDGgyUy3l6L84nyWI=",
-      "requires": {
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-    },
-    "find-replace": {
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-      "resolved": "https://registry.npmjs.org/find-replace/-/find-replace-1.0.3.tgz",
-      "integrity": "sha1-uI5zZNLZyVlVnziMZmcNYTBEH6A=",
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-          "integrity": "sha1-ZEun8JX3/898Q7Xw3DnTwfA8Bjs=",
-          "requires": {
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-          }
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examples/nodejs-rs/package.json

@@ -1,9 +0,0 @@
-{
-  "name": "jsonpath-rs-example",
-  "scripts": {
-    "start": "node index.js"
-  },
-  "dependencies": {
-    "jsonpath-rs": "^0.2.2"
-  }
-}

examples/nodejs-wasm/.gitignore

@@ -1,2 +0,0 @@
-node_modules
-dist

lua/.gitignore

@@ -0,0 +1,5 @@
+.idea/*
+.vscode
+/target/
+Cargo.lock
+docker_example/ab_results/**

lua/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "jsonpath_lua"
+version = "0.1.0"
+authors = ["Changseok Han <freestrings@gmail.com>"]
+license = "MIT"
+[dependencies]
+serde = { version = "1.0", features = ["derive"] }
+serde_json = { version = "1.0", features = ["preserve_order"] }
+jsonpath_lib = { path = "../" }
+
+[[bin]]
+name = "bench"
+path = "bench_lua_vs_rust/example.rs"
+

lua/bench_lua_vs_rust/example.lua

@@ -0,0 +1,22 @@
+local jsonpath = require("jsonpath")
+
+local iter;
+if arg[1] == nil or arg[1] == '' then
+    iter = 5000;
+else
+    iter = tonumber(arg[1]);
+end
+
+print(string.format("%s - %u", "lua iter", iter));
+
+local file = io.open("../../benchmark/example.json", "r");
+io.input(file)
+local data = io.read("*a");
+io.close(file);
+
+jsonpath.init('../target/release/deps/libjsonpath_lib.so')
+local template = jsonpath.compile("$..book[?(@.price<30 && @.category==\"fiction\")]");
+for i = 0, iter do
+    local r = template(data);
+--    print(r);
+end

lua/bench_lua_vs_rust/example.rs

@@ -0,0 +1,46 @@
+extern crate jsonpath_lib as jsonpath;
+extern crate serde;
+extern crate serde_json;
+
+use std::io::Read;
+
+use serde_json::Value;
+
+fn read_json(path: &str) -> String {
+    let mut f = std::fs::File::open(path).unwrap();
+    let mut contents = String::new();
+    f.read_to_string(&mut contents).unwrap();
+    contents
+}
+
+fn get_string() -> String {
+    read_json("../../benchmark/example.json")
+}
+
+fn get_json() -> Value {
+    let string = get_string();
+    serde_json::from_str(string.as_str()).unwrap()
+}
+
+fn get_path() -> &'static str {
+    r#"$..book[?(@.price<30 && @.category=="fiction")]"#
+}
+
+fn main() {
+    let args: Vec<String> = std::env::args().collect();
+    let iter = if args.len() < 2 { 5000_usize } else { args[1].as_str().parse::<usize>().unwrap() };
+
+    println!("rust iter - {}", iter);
+
+    let json = get_json();
+    for _ in 0..iter {
+        let mut selector = jsonpath::Selector::default();
+        let _ = selector.str_path(get_path());
+        selector.value(&json);
+        let r = selector.select();
+        if r.is_err() {
+            panic!();
+        }
+//        println!("{:?}", serde_json::to_string(&r.expect("")).unwrap());
+    }
+}

lua/bench_lua_vs_rust/run.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+# cd lua/bench_lua_vs_rust && ./run.sh
+
+set -e
+
+# http://luajit.org/index.html
+
+# cargo clean && \
+cargo build --release
+
+export JSONPATH_LIB_PATH="${PWD}/../target/release/deps"
+export LUA_PATH="${PWD}/../?.lua;"
+
+echo
+time cargo run --release --bin bench -- 1000
+echo
+time luajit example.lua 1000
+echo
+time cargo run --release --bin bench -- 5000
+echo
+time luajit example.lua 5000
+echo
+time cargo run --release --bin bench -- 10000
+echo
+time luajit example.lua 10000
+

lua/docker_example/default.conf

@@ -0,0 +1,107 @@
+lua_package_path '/etc/jsonpath/?.lua;;';
+
+access_log /var/log/access.log;
+error_log /var/log/error.log info;
+
+lua_shared_dict jsonpaths 1m;
+
+init_by_lua_block {
+    local pathStrings = {
+        "$.store.book[*].author",
+        "$..author",
+        "$.store.*",
+        "$.store..price",
+        "$..book[2]",
+        "$..book[-2]",
+        "$..book[0,1]",
+        "$..book[:2]",
+        "$..book[1:2]",
+        "$..book[-2:]",
+        "$..book[2:]",
+        "$..book[?(@.isbn)]",
+        "$.store.book[?(@.price == 10)]",
+        "$..*",
+        "$..book[ ?( (@.price < 13 || $.store.bicycle.price < @.price) && @.price <=10 ) ]",
+        "$.store.book[?( (@.price < 10 || @.price > 10) && @.price > 10 )]",
+        "$..[?(@.originPrice > 1)]",
+        "$.pickBanner[?(@.originPrice > 1)]"
+    }
+
+    local jp = require("jsonpath")
+    jp.init("/etc/jsonpath/libjsonpath_lib.so")
+    local jsonpaths = ngx.shared.jsonpaths
+
+    for i, path in ipairs(pathStrings) do
+        jsonpaths:set(i, path)
+        jp.compile(path)
+    end
+
+}
+
+server {
+    listen 80;
+    server_name localhost;
+
+    gzip on;
+    gzip_types text/plain application/json;
+    #gzip_comp_level 6;
+    #gzip_vary on;
+
+    location / {
+        add_header 'Cache-Control' 'no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0';
+        expires off;
+
+        default_type 'text/plain';
+        root /etc/jsonpath/example;
+    }
+
+    location /filter {
+        # https://developer.mozilla.org/ko/docs/Web/HTTP/Headers/Accept-Encoding
+        proxy_set_header Accept-Encoding "*";
+
+        default_type 'text/plain';
+
+        rewrite /filter/(.*) /$1 break;
+        proxy_pass http://localhost;
+
+        header_filter_by_lua_block {
+            ngx.header["content-length"] = nil
+
+            local args = ngx.req.get_uri_args()
+            local jsonpaths = ngx.shared.jsonpaths
+            local path = jsonpaths:get(args['path'])
+
+            if path == nil then
+                 ngx.exit(ngx.HTTP_BAD_REQUEST)
+            end
+        }
+
+        body_filter_by_lua_block {
+            local chunk, eof = ngx.arg[1], ngx.arg[2]
+            local buf = ngx.ctx.buf
+
+            if eof then
+                if buf then
+                    local args = ngx.req.get_uri_args()
+                    local path = ngx.shared.jsonpaths:get(args['path'])
+                    local jsonpath = require("jsonpath")
+                    local template = jsonpath.exec(path)
+                    local json = buf .. chunk
+                    local result = template(json)
+                    ngx.arg[1] = result
+                    return
+                end
+
+                return
+            end
+
+            if buf then
+                ngx.ctx.buf = buf .. chunk
+            else
+                ngx.ctx.buf = chunk
+            end
+
+            ngx.arg[1] = nil
+        }
+    }
+}

lua/docker_example/init.lua

@@ -0,0 +1,3 @@
+local jsonpath = require("jsonpath")
+jsonpath.init("/etc/jsonpath/libjsonpath_lib.so")
+ngx.log(ngx.INFO, "loaded libjsonpath_lib.so")

lua/docker_example/run.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+# cd lua && cargo build --release && cd docker_example && ./run.sh
+
+set -v
+
+[ "$(docker ps -a | grep jsonpath)" ] && docker kill jsonpath
+
+docker run -d --rm --name jsonpath \
+  -v "${PWD}/../../benchmark/example.json":/etc/jsonpath/example/example.json:ro \
+  -v "${PWD}/../../benchmark/big_example.json":/etc/jsonpath/example/big_example.json:ro \
+  -v "${PWD}/../jsonpath.lua":/etc/jsonpath/jsonpath.lua:ro \
+  -v "${PWD}/init.lua":/etc/jsonpath/init.lua:ro \
+  -v "${PWD}/../target/release/deps/libjsonpath_lib.so":/etc/jsonpath/libjsonpath_lib.so:ro \
+  -v "${PWD}/default.conf":/etc/nginx/conf.d/default.conf \
+  -p 8080:80 \
+  openresty/openresty:bionic
+
+#for i in {1..16}; do
+#  curl http://localhost:8080/filter/example.json?path=${i}
+#  echo
+#done
+
+#ab -n 1000 -c 10 http://localhost:8080/filter/big_example.json?path=17
+#ab -n 1000 -c 10 http://localhost:8080/filter/big_example.json?path=18

lua/jsonpath.lua

@@ -0,0 +1,60 @@
+local ffi = require('ffi')
+
+ffi.cdef [[
+const char* ffi_select(const char *json_str, const char *path);
+void *ffi_path_compile(const char *path);
+const char* ffi_select_with_compiled_path(void *ptr, const char *json_str);
+]]
+
+local jsonpath
+local cache = {}
+local module = {}
+
+local function existsVaiable(var)
+    for k, _ in pairs(_G) do
+        if k == var then
+            return true
+        end
+    end
+end
+
+local _ngx
+if existsVaiable('ngx') then
+    _ngx = ngx
+else
+    _ngx = {}
+    _ngx.log = function(level, msg)
+        print('['..level..'] ' .. msg)
+    end
+end
+
+function module.compile(path)
+    assert(jsonpath, '"libjsonpath_lib" is not loaded')
+
+    if(cache[path] == nil) then
+        cache[path] = jsonpath.ffi_path_compile(path)
+        _ngx.log(_ngx.INFO, 'compile : [' .. path .. ']')
+    end
+end
+
+function module.exec(path)
+    local compiledPath = cache[path]
+
+    if(cache[path] == nil) then
+        assert(jsonpath, path .. ": is not compiled")
+    end
+
+    return function(jsonStr)
+        local result = jsonpath.ffi_select_with_compiled_path(compiledPath, jsonStr)
+        return ffi.string(result);
+    end
+end
+
+function module.init(path)
+    if jsonpath == nil then
+        jsonpath = ffi.load(path)
+        _ngx.log(_ngx.INFO, '"' .. path .. '" initialized')
+    end
+end
+
+return module

nodejs/.gitignore

@@ -1,7 +0,0 @@
-native/target
-native/index.node
-native/artifacts.json
-**/*~
-**/node_modules
-.idea
-build

nodejs/README.md

@@ -1,334 +0,0 @@
-# jsonpath-rs
-
-[![Build Status](https://travis-ci.org/freestrings/jsonpath.svg?branch=master)](https://travis-ci.org/freestrings/jsonpath)
-
-It is native-addon of [jsonpath_lib](https://github.com/freestrings/jsonpath) that is [JsonPath](https://goessner.net/articles/JsonPath/) engine written in Rust.
-
-## Notice
-
-Pre-built 바이너리는 제공하진 않고 소스를 컴파일해서 설치한다. 만약 Rust가 설치되지 않았다면 자동으로 설치된다.
-
-Build from source instead of using pre-built binary, and if Rust is not installed, the latest version is automatically installed.
-
-> Not yet tested in Windows.
-
-> Supported node version is under v12.0.
-
-## APIs
-
-<details><summary><b>npm package</b></summary>
-
-```javascript
-const jsonpath = require('jsonpath-rs');
-```
-
-</details>
-
-<details><summary><b>Javascript - jsonpath.Selector class</b></summary>
-
-```javascript
-let jsonObj = {
-    "school": {
-        "friends": [
-            {"name": "친구1", "age": 20},
-            {"name": "친구2", "age": 20}
-        ]
-    },
-    "friends": [
-        {"name": "친구3", "age": 30},
-        {"name": "친구4"}
-    ]
-};
-
-let ret = [
-    {"name": "친구3", "age": 30},
-    {"name": "친구1", "age": 20}
-];
-
-let selector = new jsonpath.Selector()
-    .path('$..friends[0]')
-    .value(jsonObj);
-
-let retObj = selector.select();
-
-console.log(JSON.stringify(ret) == JSON.stringify(retObj));
-
-// => true
-```
-
-</details>
-
-<details><summary><b>Javascript - jsonpath.SelectorMut class</b></summary>
-
-빌더 패턴 제약은 `Selector class`와 동일하다.
-
-```javascript
-let jsonObj = {
-    'school': {
-        'friends': [
-            {'name': '친구1', 'age': 20},
-            {'name': '친구2', 'age': 20},
-        ],
-    },
-    'friends': [
-        {'name': '친구3', 'age': 30},
-        {'name': '친구4'},
-    ],
-};
-
-let selector = new jsonpath.SelectorMut();
-selector.path('$..[?(@.age == 20)]');
-
-{
-    selector.value(jsonObj);
-    selector.deleteValue();
-
-    let resultObj = {
-        'school': {'friends': [null, null]},
-        'friends': [
-            {'name': '친구3', 'age': 30},
-            {'name': '친구4'},
-        ],
-    };
-    console.log(JSON.stringify(selector.take()) !== JSON.stringify(resultObj));
-    
-    // => true
-}
-
-{
-    selector.value(jsonObj);
-    selector.replaceWith((v) => {
-        v.age = v.age * 2;
-        return v;
-    });
-
-    let resultObj = {
-        'school': {
-            'friends': [
-                {'name': '친구1', 'age': 40},
-                {'name': '친구2', 'age': 40},
-            ],
-        },
-        'friends': [
-            {'name': '친구3', 'age': 30},
-            {'name': '친구4'},
-        ],
-    };
-    console.log(JSON.stringify(selector.take()) !== JSON.stringify(resultObj));
-    
-    // => true
-}
-```
-
-</details>
-
-<details><summary><b>Javascript - jsonpath.select(json: string|object, jsonpath: string)</b></summary>
-
-```javascript
-let jsonObj = {
-    "school": {
-        "friends": [
-            {"name": "친구1", "age": 20},
-            {"name": "친구2", "age": 20}
-        ]
-    },
-    "friends": [
-        {"name": "친구3", "age": 30},
-        {"name": "친구4"}
-    ]
-};
-
-let ret = [
-    {"name": "친구3", "age": 30},
-    {"name": "친구1", "age": 20}
-];
-
-
-let selectAsString = jsonpath.select(JSON.stringify(jsonObj), '$..friends[0]');
-let selectAsObj = jsonpath.select(jsonObj, '$..friends[0]');
-
-console.log(
-    JSON.stringify(ret) == JSON.stringify(selectAsString),
-    JSON.stringify(ret) == JSON.stringify(selectAsObj)
-);
-
-// => true, true
-```
-
-</details>
-
-<details><summary><b>Javascript - jsonpath.compile(jsonpath: string)</b></summary>
-
-```javascript
-let template = jsonpath.compile('$..friends[0]');
-
-let jsonObj = {
-    "school": {
-        "friends": [
-            {"name": "친구1", "age": 20},
-            {"name": "친구2", "age": 20}
-        ]
-    },
-    "friends": [
-        {"name": "친구3", "age": 30},
-        {"name": "친구4"}
-    ]
-};
-
-let ret = [
-    {"name": "친구3", "age": 30},
-    {"name": "친구1", "age": 20}
-];
-
-let selectAsString = template(JSON.stringify(jsonObj));
-let selectAsObj = template(jsonObj);
-
-console.log(
-    JSON.stringify(ret) == JSON.stringify(selectAsString),
-    JSON.stringify(ret) == JSON.stringify(selectAsObj)
-);
-
-// => true, true
-
-let jsonObj2 = {
-    "school": {
-        "friends": [
-            {"name": "Millicent Norman"},
-            {"name": "Vincent Cannon"}
-        ]
-    },
-    "friends": [ {"age": 30}, {"age": 40} ]
-};
-
-let ret2 = [
-    {"age": 30},
-    {"name": "Millicent Norman"}
-];
-
-let selectAsString2 = template(JSON.stringify(jsonObj2));
-let selectAsObj2 = template(jsonObj2);
-
-console.log(
-        JSON.stringify(ret2) == JSON.stringify(selectAsString2),
-        JSON.stringify(ret2) == JSON.stringify(selectAsObj2)
-);
-
-// => true, true
-```
-    
-</details>
-
-<details><summary><b>Javascript - jsonpath.selector(json: string|object)</b></summary>
-
-```javascript
-let jsonObj = {
-    "school": {
-        "friends": [
-            {"name": "친구1", "age": 20},
-            {"name": "친구2", "age": 20}
-        ]
-    },
-    "friends": [
-        {"name": "친구3", "age": 30},
-        {"name": "친구4"}
-    ]
-};
-
-let ret1 = [
-    {"name": "친구3", "age": 30},
-    {"name": "친구1", "age": 20}
-];
-
-let ret2 = [
-    {"name": "친구4"},
-    {"name": "친구2", "age": 20}
-];
-
-let selector = jsonpath.selector(jsonObj);
-// or as json string 
-// let selector = jsonpath.selector(JSON.stringify(jsonObj));
-
-let select1 = selector('$..friends[0]');
-let select2 = selector('$..friends[1]');
-
-console.log(
-    JSON.stringify(ret1) == JSON.stringify(select1),
-    JSON.stringify(ret2) == JSON.stringify(select2)
-);
-
-// => true, true
-```
-
-</details>
-
-<details><summary><b>Javascript - jsonpath.deleteValue(json: string|object, path: string)</b></summary>
-
-```javascript
-let jsonObj = {
-    "school": {
-        "friends": [
-            {"name": "친구1", "age": 20},
-            {"name": "친구2", "age": 20}
-        ]
-    },
-    "friends": [
-        {"name": "친구3", "age": 30},
-        {"name": "친구4"}
-    ]
-};
-
-let _1 = jsonpath.deleteValue(jsonObj, '$..friends[0]');
-let result = jsonpath.deleteValue(_1, '$..friends[1]');
-
-console.log(JSON.stringify(result) !== JSON.stringify({
-    "school": { "friends": [null, null]},
-    "friends": [null, null]
-}));
-
-// => true
-
-```
-
-</details>
-
-<details><summary><b>Javascript - jsonpath.replaceWith(json: string|object, path: string, fun: function(json: object) => json: object</b></summary>
-
-```javascript
-let jsonObj = {
-    "school": {
-        "friends": [
-            {"name": "친구1", "age": 20},
-            {"name": "친구2", "age": 20}
-        ]
-    },
-    "friends": [
-        {"name": "친구3", "age": 30},
-        {"name": "친구4"}
-    ]
-};
-
-let result = jsonpath.replaceWith(jsonObj, '$..friends[0]', (v) => {
-    v.age = v.age * 2;
-    return v;
-});
-
-console.log(JSON.stringify(result) === JSON.stringify({
-    "school": {
-        "friends": [
-            {"name": "친구1", "age": 40},
-            {"name": "친구2", "age": 20}
-        ]
-    },
-    "friends": [
-        {"name": "친구3", "age": 60},
-        {"name": "친구4"}
-    ]
-}));
-
-// => true
-
-```
-
-</details>
-
-[Javascript - Other Examples](https://github.com/freestrings/jsonpath/wiki/Javascript-examples)

nodejs/build.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-
-if ! [ -x "$(command -v rustc)" ]; then
-    echo "install rust"
-    curl https://sh.rustup.rs -sSf > /tmp/rustup.sh
-    sh /tmp/rustup.sh -y
-    export PATH="$HOME/.cargo/bin:$PATH"
-    source "$HOME/.cargo/env"
-fi
-check-node-version --node '<12.0' && neon build --release

nodejs/lib/index.js

@@ -1,149 +0,0 @@
-const {
-    CompileFn,
-    SelectorFn,
-    selectStr,
-    deleteValue: _deleteValue,
-    replaceWith: _replaceWith,
-    Selector: _Selector,
-    SelectorMut: _SelectorMut
-} = require('../native');
-
-function compile(path) {
-    let compile = new CompileFn(path);
-    return (json) => {
-        if(typeof json != 'string') {
-            json = JSON.stringify(json)
-        }
-        return JSON.parse(compile.template(json));
-    };
-}
-
-function selector(json) {
-    if(typeof json != 'string') {
-        json = JSON.stringify(json)
-    }
-    let selector = new SelectorFn(json);
-    return (path) => {
-        return JSON.parse(selector.select(path));
-    }
-}
-
-function select(json, path) {
-    if(typeof json != 'string') {
-        json = JSON.stringify(json)
-    }
-    return JSON.parse(selectStr(json, path));
-}
-
-function deleteValue(json, path) {
-    if(typeof json != 'string') {
-        json = JSON.stringify(json)
-    }
-    return JSON.parse(_deleteValue(json, path));
-}
-
-function replaceWith(json, path, fun) {
-    if(typeof json != 'string') {
-        json = JSON.stringify(json)
-    }
-    let result = _replaceWith(json, path, (v) => {
-        let result = fun(JSON.parse(v));
-        if(typeof result != 'string') {
-            result = JSON.stringify(result)
-        }
-        return result;
-    });
-    if(typeof result == 'string') {
-        result = JSON.parse(result);
-    }
-    return result;
-}
-
-class Selector {
-    constructor() {
-        this._selector = new _Selector();
-        return this;
-    }
-
-    path(path) {
-        this._selector.path(path);
-        return this;
-    }
-
-    value(json) {
-        if(typeof json != 'string') {
-            json = JSON.stringify(json)
-        }
-        this._selector.value(json);
-        return this;
-    }
-
-    select() {
-        return JSON.parse(this._selector.select());
-    }
-}
-
-class SelectorMut {
-    constructor() {
-        return this;
-    }
-
-    path(path) {
-        this._path = path;
-        return this;
-    }
-
-    value(json) {
-        if(typeof json != 'string') {
-            json = JSON.stringify(json)
-        }
-        this._json = json;
-        return this;
-    }
-
-    deleteValue() {
-        let selector = new _SelectorMut();
-        if(!this._path) {
-            selector.emptyPathError();
-            return;
-        }
-
-        if(!this._json) {
-            selector.emptyValueError();
-            return;
-        }
-
-        this._json = deleteValue(this._json, this._path);
-        return this;
-    }
-
-    replaceWith(fun) {
-        let selector = new _SelectorMut();
-        if(!this._path) {
-            selector.emptyPathError();
-            return;
-        }
-        if(!this._json) {
-            selector.emptyValueError();
-            return;
-        }
-        this._json = replaceWith(this._json, this._path, fun);
-        return this;
-    }
-
-    take() {
-        let json = this._json;
-        delete this._json;
-        return json;
-    }
-}
-
-module.exports = {
-    compile,
-    selector,
-    select,
-    deleteValue,
-    replaceWith,
-    Selector,
-    SelectorMut
-};

nodejs/native/.gitignore

@@ -1,5 +0,0 @@
-.idea/*
-.vscode
-!.idea/runConfigurations/
-/target/
-Cargo.lock

nodejs/native/Cargo.toml

@@ -1,24 +0,0 @@
-[package]
-name = "jsonpath4nodejs"
-version = "0.2.3"
-authors = ["Changseok Han <freestrings@gmail.com>"]
-description = "jsonpath_lib bindings for nodejs"
-keywords = ["library", "jsonpath", "json", "nodejs"]
-repository = "https://github.com/freestrings/jsonpath"
-license = "MIT"
-
-build = "build.rs"
-exclude = ["artifacts.json", "index.node"]
-
-[build-dependencies]
-neon-build = "0.2.0"
-
-[dependencies]
-jsonpath_lib = "0.2.3"
-#jsonpath_lib = { path = "../../" }
-neon = "0.2.0"
-serde_json = { version = "1.0", features = ["preserve_order"] }
-
-[lib]
-name = "jsonpath4nodejs"
-crate-type = ["dylib"]

nodejs/native/build.rs

@@ -1,7 +0,0 @@
-extern crate neon_build;
-
-fn main() {
-    neon_build::setup(); // must be called in build.rs
-
-    // add project-specific build logic here...
-}

nodejs/native/src/lib.rs

@@ -1,268 +0,0 @@
-extern crate jsonpath_lib as jsonpath;
-#[macro_use]
-extern crate neon;
-extern crate serde_json;
-
-use jsonpath::{JsonPathError, Node, Parser, Selector};
-use neon::prelude::*;
-use serde_json::Value;
-
-fn select_str(mut ctx: FunctionContext) -> JsResult<JsValue> {
-    let json_val = ctx.argument::<JsString>(0)?.value();
-    let path = ctx.argument::<JsString>(1)?.value();
-    match jsonpath::select_as_str(&json_val, path.as_str()) {
-        Ok(value) => Ok(JsString::new(&mut ctx, &value).upcast()),
-        Err(e) => panic!("{:?}", e),
-    }
-}
-
-fn delete(mut ctx: FunctionContext) -> JsResult<JsValue> {
-    let json_val = ctx.argument::<JsString>(0)?.value();
-    let json: Value = match serde_json::from_str(&json_val) {
-        Ok(value) => value,
-        Err(e) => panic!("{:?}", JsonPathError::Serde(e.to_string())),
-    };
-    let path = ctx.argument::<JsString>(1)?.value();
-    match jsonpath::delete(json, &path) {
-        Ok(value) => Ok(JsString::new(
-            &mut ctx,
-            match serde_json::to_string(&value) {
-                Ok(value) => value,
-                Err(e) => panic!("{:?}", JsonPathError::Serde(e.to_string())),
-            },
-        )
-        .upcast()),
-        Err(e) => panic!("{:?}", e),
-    }
-}
-
-fn replace_with(mut ctx: FunctionContext) -> JsResult<JsValue> {
-    let json_val = ctx.argument::<JsString>(0)?.value();
-    let json: Value = match serde_json::from_str(&json_val) {
-        Ok(value) => value,
-        Err(e) => panic!("{:?}", JsonPathError::Serde(e.to_string())),
-    };
-    let path = ctx.argument::<JsString>(1)?.value();
-    let fun = ctx.argument::<JsFunction>(2)?;
-    match jsonpath::replace_with(json, &path, &mut |v| {
-        let json_str = JsString::new(
-            &mut ctx,
-            match serde_json::to_string(v) {
-                Ok(value) => value,
-                Err(e) => panic!("{:?}", JsonPathError::Serde(e.to_string())),
-            },
-        );
-
-        let null = ctx.null();
-        let args = vec![ctx.string(json_str.value())];
-        let result = match fun.call(&mut ctx, null, args) {
-            Ok(result) => result,
-            Err(e) => panic!("{:?}", e),
-        };
-        let json_str = match result.downcast::<JsString>() {
-            Ok(v) => v.value(),
-            Err(e) => panic!("{:?}", JsonPathError::Serde(e.to_string())),
-        };
-        match serde_json::from_str(&json_str) {
-            Ok(v) => v,
-            Err(e) => panic!("{:?}", JsonPathError::Serde(e.to_string())),
-        }
-    }) {
-        Ok(value) => Ok(JsString::new(
-            &mut ctx,
-            match serde_json::to_string(&value) {
-                Ok(value) => value,
-                Err(e) => panic!("{:?}", JsonPathError::Serde(e.to_string())),
-            },
-        )
-        .upcast()),
-        Err(e) => panic!("{:?}", e),
-    }
-}
-
-pub struct SelectorCls {
-    node: Option<Node>,
-    value: Option<Value>,
-}
-
-impl SelectorCls {
-    fn path(&mut self, path: &str) {
-        let node = match Parser::compile(path) {
-            Ok(node) => node,
-            Err(e) => panic!("{:?}", e),
-        };
-
-        self.node = Some(node);
-    }
-
-    fn value(&mut self, json_str: &str) {
-        let value: Value = match serde_json::from_str(&json_str) {
-            Ok(value) => value,
-            Err(e) => panic!("{:?}", JsonPathError::Serde(e.to_string())),
-        };
-
-        self.value = Some(value);
-    }
-
-    fn select(&self) -> String {
-        let node = match &self.node {
-            Some(node) => node,
-            None => panic!("{:?}", JsonPathError::EmptyPath),
-        };
-
-        let value = match &self.value {
-            Some(value) => value,
-            None => panic!("{:?}", JsonPathError::EmptyValue),
-        };
-
-        let mut selector = Selector::new();
-        selector.compiled_path(node);
-        selector.value(&value);
-        match selector.select_as_str() {
-            Ok(ret) => ret,
-            Err(e) => panic!("{:?}", e),
-        }
-    }
-}
-
-pub struct SelectorMutCls {}
-
-declare_types! {
-    pub class JsCompileFn for SelectorCls {
-        init(mut ctx) {
-            let path = ctx.argument::<JsString>(0)?.value();
-            let node = match Parser::compile(path.as_str()) {
-                Ok(node) => node,
-                Err(e) => panic!("{:?}", e)
-            };
-
-            Ok(SelectorCls { node: Some(node), value: None })
-        }
-
-        method template(mut ctx) {
-            let mut this = ctx.this();
-
-            let json_str = ctx.argument::<JsString>(0)?.value();
-            {
-                let guard = ctx.lock();
-                let mut this = this.borrow_mut(&guard);
-                let value: Value = match serde_json::from_str(&json_str) {
-                    Ok(value) => value,
-                    Err(e) => panic!("{:?}", JsonPathError::Serde(e.to_string()))
-                };
-                this.value = Some(value);
-            };
-
-            let result_str = {
-                let guard = ctx.lock();
-                let this = this.borrow(&guard);
-                this.select()
-            };
-
-            Ok(JsString::new(&mut ctx, &result_str).upcast())
-        }
-    }
-
-    pub class JsSelectorFn for SelectorCls {
-        init(mut ctx) {
-            let json_str = ctx.argument::<JsString>(0)?.value();
-            let value: Value = match serde_json::from_str(&json_str) {
-                Ok(value) => value,
-                Err(e) => panic!("{:?}", JsonPathError::Serde(e.to_string()))
-            };
-
-            Ok(SelectorCls { node: None, value: Some(value) })
-        }
-
-        method select(mut ctx) {
-            let mut this = ctx.this();
-
-            let path = ctx.argument::<JsString>(0)?.value();
-            {
-                let guard = ctx.lock();
-                let mut this = this.borrow_mut(&guard);
-                this.path(&path);
-            }
-
-            let result_str = {
-                let guard = ctx.lock();
-                let this = this.borrow(&guard);
-                this.select()
-            };
-
-            Ok(JsString::new(&mut ctx, &result_str).upcast())
-        }
-    }
-
-    pub class JsSelector for SelectorCls {
-        init(mut _ctx) {
-            Ok(SelectorCls { node: None, value: None })
-        }
-
-        method path(mut ctx) {
-            let mut this = ctx.this();
-
-            let path = ctx.argument::<JsString>(0)?.value();
-            {
-                let guard = ctx.lock();
-                let mut this = this.borrow_mut(&guard);
-                let _ = this.path(&path);
-            }
-
-            Ok(JsUndefined::new().upcast())
-        }
-
-        method value(mut ctx) {
-            let mut this = ctx.this();
-
-            let json_str = ctx.argument::<JsString>(0)?.value();
-            {
-                let guard = ctx.lock();
-                let mut this = this.borrow_mut(&guard);
-                let _ = this.value(&json_str);
-            }
-
-            Ok(JsUndefined::new().upcast())
-        }
-
-        method select(mut ctx) {
-             let this = ctx.this();
-
-             let result_str = {
-                let guard = ctx.lock();
-                let this = this.borrow(&guard);
-                this.select()
-             };
-
-             Ok(JsString::new(&mut ctx, &result_str).upcast())
-        }
-    }
-
-    pub class JsSelectorMut for SelectorMutCls {
-        init(mut _ctx) {
-            Ok(SelectorMutCls {})
-        }
-
-        method emptyPathError(mut _ctx) {
-            panic!("{:?}", JsonPathError::EmptyPath);
-        }
-
-        method emptyValueError(mut _ctx) {
-            panic!("{:?}", JsonPathError::EmptyValue);
-        }
-    }
-}
-register_module!(mut m, {
-    m.export_class::<JsCompileFn>("CompileFn")
-        .expect("CompileFn class error");
-    m.export_class::<JsSelectorFn>("SelectorFn")
-        .expect("SelectorFn class error");
-    m.export_class::<JsSelector>("Selector")
-        .expect("Selector class error");
-    m.export_class::<JsSelectorMut>("SelectorMut")
-        .expect("SelectorMut class error");
-    m.export_function("deleteValue", delete)?;
-    m.export_function("replaceWith", replace_with)?;
-    m.export_function("selectStr", select_str)?;
-    Ok(())
-});

nodejs/package.json

@@ -1,35 +0,0 @@
-{
-  "name": "jsonpath-rs",
-  "version": "0.2.3",
-  "description": "It is JsonPath implementation. The core implementation is written in Rust",
-  "author": "Changseok Han <freestrings@gmail.com>",
-  "license": "MIT",
-  "keywords": [
-    "jsonpath",
-    "native-addon",
-    "rust-binding",
-    "rust",
-    "json",
-    "parsing"
-  ],
-  "main": "lib/index.js",
-  "dependencies": {
-    "check-node-version": "*",
-    "neon-cli": "^0.2.0"
-  },
-  "scripts": {
-    "install": "./build.sh",
-    "test": "mocha"
-  },
-  "devDependencies": {
-    "mocha": "^6.1.4"
-  },
-  "repository": {
-    "type": "git",
-    "url": "git+https://github.com/freestrings/jsonpath.git"
-  },
-  "engineStrict": true,
-  "engines": {
-    "node": ">=8.0 <12.0"
-  }
-}

nodejs/test/index.spec.js

@@ -1,928 +0,0 @@
-const jsonpath = require('../lib/index.js');
-
-let jsonObj = {
-    "store": {
-        "book": [
-            {
-                "category": "reference",
-                "author": "Nigel Rees",
-                "title": "Sayings of the Century",
-                "price": 8.95
-            },
-            {
-                "category": "fiction",
-                "author": "Evelyn Waugh",
-                "title": "Sword of Honour",
-                "price": 12.99
-            },
-            {
-                "category": "fiction",
-                "author": "Herman Melville",
-                "title": "Moby Dick",
-                "isbn": "0-553-21311-3",
-                "price": 8.99
-            },
-            {
-                "category": "fiction",
-                "author": "J. R. R. Tolkien",
-                "title": "The Lord of the Rings",
-                "isbn": "0-395-19395-8",
-                "price": 22.99
-            }
-        ],
-        "bicycle": {
-            "color": "red",
-            "price": 19.95
-        }
-    },
-    "expensive": 10
-};
-
-let list = {
-    '$.store.book[*].author': [
-        "Nigel Rees",
-        "Evelyn Waugh",
-        "Herman Melville",
-        "J. R. R. Tolkien"
-    ],
-
-    '$..author':[
-        "Nigel Rees",
-        "Evelyn Waugh",
-        "Herman Melville",
-        "J. R. R. Tolkien"
-    ],
-
-    '$.store.*': [
-        [
-            {
-                "category": "reference",
-                "author": "Nigel Rees",
-                "title": "Sayings of the Century",
-                "price": 8.95
-            },
-            {
-                "category": "fiction",
-                "author": "Evelyn Waugh",
-                "title": "Sword of Honour",
-                "price": 12.99
-            },
-            {
-                "category": "fiction",
-                "author": "Herman Melville",
-                "title": "Moby Dick",
-                "isbn": "0-553-21311-3",
-                "price": 8.99
-            },
-            {
-                "category": "fiction",
-                "author": "J. R. R. Tolkien",
-                "title": "The Lord of the Rings",
-                "isbn": "0-395-19395-8",
-                "price": 22.99
-            }
-        ],
-        {
-            "color": "red",
-            "price": 19.95
-        }
-    ],
-
-    '$.store..price':[
-        8.95,
-        12.99,
-        8.99,
-        22.99,
-        19.95
-    ],
-
-    '$..book[2]': [
-        {
-            "category": "fiction",
-            "author": "Herman Melville",
-            "title": "Moby Dick",
-            "isbn": "0-553-21311-3",
-            "price": 8.99
-        }
-    ],
-
-    '$..book[-2]': [
-        {
-            "category": "fiction",
-            "author": "Herman Melville",
-            "title": "Moby Dick",
-            "isbn": "0-553-21311-3",
-            "price": 8.99
-        }
-    ],
-
-    '$..book[0,1]': [
-        {
-            "category": "reference",
-            "author": "Nigel Rees",
-            "title": "Sayings of the Century",
-            "price": 8.95
-        },
-        {
-            "category": "fiction",
-            "author": "Evelyn Waugh",
-            "title": "Sword of Honour",
-            "price": 12.99
-        }
-    ],
-
-    '$..book[:2]': [
-        {
-            "category": "reference",
-            "author": "Nigel Rees",
-            "title": "Sayings of the Century",
-            "price": 8.95
-        },
-        {
-            "category": "fiction",
-            "author": "Evelyn Waugh",
-            "title": "Sword of Honour",
-            "price": 12.99
-        }
-    ],
-
-    '$..book[1:2]': [
-        {
-            "category": "fiction",
-            "author": "Evelyn Waugh",
-            "title": "Sword of Honour",
-            "price": 12.99
-        }
-    ],
-
-    '$..book[-2:]': [
-        {
-            "category": "fiction",
-            "author": "Herman Melville",
-            "title": "Moby Dick",
-            "isbn": "0-553-21311-3",
-            "price": 8.99
-        },
-        {
-            "category": "fiction",
-            "author": "J. R. R. Tolkien",
-            "title": "The Lord of the Rings",
-            "isbn": "0-395-19395-8",
-            "price": 22.99
-        }
-    ],
-
-    '$..book[2:]': [
-        {
-            "category": "fiction",
-            "author": "Herman Melville",
-            "title": "Moby Dick",
-            "isbn": "0-553-21311-3",
-            "price": 8.99
-        },
-        {
-            "category": "fiction",
-            "author": "J. R. R. Tolkien",
-            "title": "The Lord of the Rings",
-            "isbn": "0-395-19395-8",
-            "price": 22.99
-        }
-    ],
-
-    '$..book[?(@.isbn)]': [
-        {
-            "category": "fiction",
-            "author": "Herman Melville",
-            "title": "Moby Dick",
-            "isbn": "0-553-21311-3",
-            "price": 8.99
-        },
-        {
-            "category": "fiction",
-            "author": "J. R. R. Tolkien",
-            "title": "The Lord of the Rings",
-            "isbn": "0-395-19395-8",
-            "price": 22.99
-        }
-    ],
-
-    '$.store.book[?(@.price < 10)]': [
-        {
-            "category": "reference",
-            "author": "Nigel Rees",
-            "title": "Sayings of the Century",
-            "price": 8.95
-        },
-        {
-            "category": "fiction",
-            "author": "Herman Melville",
-            "title": "Moby Dick",
-            "isbn": "0-553-21311-3",
-            "price": 8.99
-        }
-    ],
-
-    '$..*': [
-        {
-            "book": [
-                {
-                    "category": "reference",
-                    "author": "Nigel Rees",
-                    "title": "Sayings of the Century",
-                    "price": 8.95
-                },
-                {
-                    "category": "fiction",
-                    "author": "Evelyn Waugh",
-                    "title": "Sword of Honour",
-                    "price": 12.99
-                },
-                {
-                    "category": "fiction",
-                    "author": "Herman Melville",
-                    "title": "Moby Dick",
-                    "isbn": "0-553-21311-3",
-                    "price": 8.99
-                },
-                {
-                    "category": "fiction",
-                    "author": "J. R. R. Tolkien",
-                    "title": "The Lord of the Rings",
-                    "isbn": "0-395-19395-8",
-                    "price": 22.99
-                }
-            ],
-            "bicycle": {
-                "color": "red",
-                "price": 19.95
-            }
-        },
-        10,
-        [
-            {
-                "category": "reference",
-                "author": "Nigel Rees",
-                "title": "Sayings of the Century",
-                "price": 8.95
-            },
-            {
-                "category": "fiction",
-                "author": "Evelyn Waugh",
-                "title": "Sword of Honour",
-                "price": 12.99
-            },
-            {
-                "category": "fiction",
-                "author": "Herman Melville",
-                "title": "Moby Dick",
-                "isbn": "0-553-21311-3",
-                "price": 8.99
-            },
-            {
-                "category": "fiction",
-                "author": "J. R. R. Tolkien",
-                "title": "The Lord of the Rings",
-                "isbn": "0-395-19395-8",
-                "price": 22.99
-            }
-        ],
-        {
-            "color": "red",
-            "price": 19.95
-        },
-        {
-            "category": "reference",
-            "author": "Nigel Rees",
-            "title": "Sayings of the Century",
-            "price": 8.95
-        },
-        {
-            "category": "fiction",
-            "author": "Evelyn Waugh",
-            "title": "Sword of Honour",
-            "price": 12.99
-        },
-        {
-            "category": "fiction",
-            "author": "Herman Melville",
-            "title": "Moby Dick",
-            "isbn": "0-553-21311-3",
-            "price": 8.99
-        },
-        {
-            "category": "fiction",
-            "author": "J. R. R. Tolkien",
-            "title": "The Lord of the Rings",
-            "isbn": "0-395-19395-8",
-            "price": 22.99
-        },
-        "reference",
-        "Nigel Rees",
-        "Sayings of the Century",
-        8.95,
-        "fiction",
-        "Evelyn Waugh",
-        "Sword of Honour",
-        12.99,
-        "fiction",
-        "Herman Melville",
-        "Moby Dick",
-        "0-553-21311-3",
-        8.99,
-        "fiction",
-        "J. R. R. Tolkien",
-        "The Lord of the Rings",
-        "0-395-19395-8",
-        22.99,
-        "red",
-        19.95
-    ],
-
-    '$..book[ ?( (@.price < 13 || $.store.bicycle.price < @.price) && @.price <=10 ) ]': [
-        {
-            "category": "reference",
-            "author": "Nigel Rees",
-            "title": "Sayings of the Century",
-            "price": 8.95
-        },
-        {
-            "category": "fiction",
-            "author": "Herman Melville",
-            "title": "Moby Dick",
-            "isbn": "0-553-21311-3",
-            "price": 8.99
-        }
-    ]
-};
-
-describe('compile test', () => {
-    it('basic', (done) => {
-        let template = jsonpath.compile('$.a');
-        let result = template({'a': 1});
-        if (result[0] === 1) {
-            done();
-        }
-    });
-});
-
-describe('selector test', () => {
-    it('basic', (done) => {
-        let selector = jsonpath.selector({'a': 1});
-        let result = selector('$.a');
-        if (result[0] === 1) {
-            done();
-        }
-    });
-});
-
-describe('select test', () => {
-    it('basic', (done) => {
-        let result = jsonpath.select({'a': 1}, '$.a');
-        if (result[0] === 1) {
-            done();
-        }
-    });
-});
-
-describe('filter test', () => {
-
-    function run(done, path, expected) {
-        let result = jsonpath.select(jsonObj, path);
-        if (JSON.stringify(result) === JSON.stringify(expected)) {
-            done();
-        }
-    }
-
-    for( var i in list ) {
-        it(i, (done) => {
-            run (done, i, list[i]);
-        })
-    }
-
-    it('object equal', (done) => {
-        let selector = new jsonpath.Selector();
-        selector.path('$..[?(@.a == 1)]');
-        selector.value({
-            'a': 1,
-            'b': {'a': 1},
-            'c': {'a': 1},
-        });
-        let result = selector.select();
-        if (JSON.stringify(result) === JSON.stringify([{'a': 1}, {'a': 1}])) {
-            done();
-        }
-    });
-
-    it('escaped single quote notation', (done) => {
-        let result = jsonpath.select({"single'quote":"value"}, "$['single\\'quote']");
-        if (JSON.stringify(result) === JSON.stringify(["value"])) {
-            done();
-        }
-    });
-
-    it('escaped double quote notation', (done) => {
-        let result = jsonpath.select({"single\"quote":"value"}, "$['single\"quote']");
-        if (JSON.stringify(result) === JSON.stringify(["value"])) {
-            done();
-        }
-    });
-
-    it('array range with step - $[::]', (done) => {
-        let result = jsonpath.select(["first", "second", "third", "forth", "fifth"], "$[::]");
-        if (JSON.stringify(result) === JSON.stringify(["first", "second", "third", "forth", "fifth"])) {
-            done();
-        }
-    });
-
-    it('array range with step - $[::2]', (done) => {
-        let result = jsonpath.select(["first", "second", "third", "forth", "fifth"], "$[::2]");
-        if (JSON.stringify(result) === JSON.stringify(["first", "third", "fifth"])) {
-            done();
-        }
-    });
-
-    it('array range with step - $[1: :]', (done) => {
-        let result = jsonpath.select(["first", "second", "third", "forth", "fifth"], "$[1: :]");
-        if (JSON.stringify(result) === JSON.stringify(["second", "third", "forth", "fifth"])) {
-            done();
-        }
-    });
-
-    it('array range with step - $[1:2:]', (done) => {
-        let result = jsonpath.select(["first", "second", "third", "forth", "fifth"], "$[1:2:]");
-        if (JSON.stringify(result) === JSON.stringify(["second"])) {
-            done();
-        }
-    });
-
-    it('array range with step - $[1::2]', (done) => {
-        let result = jsonpath.select(["first", "second", "third", "forth", "fifth"], "$[1::2]");
-        if (JSON.stringify(result) === JSON.stringify(["second", "forth"])) {
-            done();
-        }
-    });
-
-    it('array range with step - $[0:3:1]', (done) => {
-        let result = jsonpath.select(["first", "second", "third", "forth", "fifth"], "$[0:3:1]");
-        if (JSON.stringify(result) === JSON.stringify(["first", "second", "third"])) {
-            done();
-        }
-    });
-
-    it('array range with step - $[0:3:2]', (done) => {
-        let result = jsonpath.select(["first", "second", "third", "forth", "fifth"], "$[0:3:2]");
-        if (JSON.stringify(result) === JSON.stringify(["first", "third"])) {
-            done();
-        }
-    });
-
-    it('array keys', (done) => {
-        let result = jsonpath.select({
-            "key1": "value1",
-            "key2": 2
-        }, "$['key1', 'key2']");
-        if (JSON.stringify(result) === JSON.stringify(["value1", 2])) {
-            done();
-        }
-    });
-});
-
-describe('SelectorMut test', () => {
-    it('delete', (done) => {
-        let jsonObjNew = JSON.parse(JSON.stringify(jsonObj));
-        let result = jsonpath.deleteValue(jsonObjNew, '$.store.book');
-        if (JSON.stringify(result) === JSON.stringify({
-            'store': {
-                'book': null,
-                'bicycle': {
-                    'color': 'red',
-                    'price': 19.95,
-                },
-            },
-            'expensive': 10,
-        })) {
-            done();
-        }
-    });
-
-    it('replaceWith', (done) => {
-        let jsonObjNew = JSON.parse(JSON.stringify(jsonObj));
-        let result = jsonpath.replaceWith(jsonObjNew, '$.store.book', (v) => {
-            let ret = v[0];
-            ret.price = 9;
-            return ret;
-        });
-        if (JSON.stringify(result) === JSON.stringify({
-            'store': {
-                'book': {
-                    'category': 'reference',
-                    'author': 'Nigel Rees',
-                    'title': 'Sayings of the Century',
-                    'price': 9,
-                },
-                'bicycle': {
-                    'color': 'red',
-                    'price': 19.95,
-                },
-            },
-            'expensive': 10,
-        })) {
-            done();
-        }
-    });
-
-    it('SeletorMut delete', (done) => {
-        let jsonObjNew = JSON.parse(JSON.stringify(jsonObj));
-        let selector = new jsonpath.SelectorMut();
-        selector.path('$.store.book').value(jsonObjNew).deleteValue();
-
-        let result = selector.take();
-        if (JSON.stringify(result) === JSON.stringify({
-            'store': {
-                'book': null,
-                'bicycle': {
-                    'color': 'red',
-                    'price': 19.95,
-                },
-            },
-            'expensive': 10,
-        })) {
-            done();
-        }
-    });
-
-    it('SeletorMut replaceWith', (done) => {
-        let jsonObjNew = JSON.parse(JSON.stringify(jsonObj));
-        let selector = new jsonpath.SelectorMut();
-        selector.path('$.store.book').value(jsonObjNew).replaceWith((v) => {
-            let ret = v[0];
-            ret.price = 9;
-            return ret;
-        });
-
-        let result = selector.take();
-        if (JSON.stringify(result) === JSON.stringify({
-            'store': {
-                'book': {
-                    'category': 'reference',
-                    'author': 'Nigel Rees',
-                    'title': 'Sayings of the Century',
-                    'price': 9,
-                },
-                'bicycle': {
-                    'color': 'red',
-                    'price': 19.95,
-                },
-            },
-            'expensive': 10,
-        })) {
-            done();
-        }
-    });
-});
-
-describe('Selector test', () => {
-    it('select', (done) => {
-        let selector = new jsonpath.Selector().value(jsonObj);
-        for(var i in list) {
-            if(JSON.stringify(list[i]) !== JSON.stringify(selector.path(i).select())) {
-                throw `fail: ${i}`;
-            }
-        }
-        done();
-    });
-});
-
-describe('README test', () => {
-    it('jsonpath.Selector', (done) => {
-        let jsonObj = {
-            "school": {
-                "friends": [
-                    {"name": "친구1", "age": 20},
-                    {"name": "친구2", "age": 20}
-                ]
-            },
-            "friends": [
-                {"name": "친구3", "age": 30},
-                {"name": "친구4"}
-            ]
-        };
-
-        let selector = new jsonpath.Selector().value(jsonObj);
-
-        {
-            let jsonObj = selector.path('$..[?(@.age >= 30)]').select();
-            let resultObj = [{"name": "친구3", "age": 30}];
-            if(JSON.stringify(jsonObj) !== JSON.stringify(resultObj)) {
-                throw 'jsonpath.Selector: $..[?(@.age >= 30)]';
-            }
-        }
-
-        {
-            let jsonObj = selector.path('$..[?(@.age == 20)]').select();
-            let resultObj = [{"name": "친구1", "age": 20}, {"name": "친구2", "age": 20}];
-            if(JSON.stringify(jsonObj) !== JSON.stringify(resultObj)) {
-                throw 'jsonpath.Selector: $..[?(@.age >= 20)]';
-            }
-        }
-
-        {
-            let jsonObj = selector.value({"friends": [ {"name": "친구5", "age": 20} ]}).select();
-            let resultObj = [{"name": "친구5", "age": 20}];
-            if(JSON.stringify(jsonObj) !== JSON.stringify(resultObj)) {
-                throw 'jsonpath.Selector: change value';
-            }
-        }
-
-        done();
-    });
-
-    it('jsonpath.SelectorMut', (done) => {
-        let jsonObj = {
-            'school': {
-                'friends': [
-                    {'name': '친구1', 'age': 20},
-                    {'name': '친구2', 'age': 20},
-                ],
-            },
-            'friends': [
-                {'name': '친구3', 'age': 30},
-                {'name': '친구4'},
-            ],
-        };
-
-        let selector = new jsonpath.SelectorMut();
-        selector.path('$..[?(@.age == 20)]');
-
-        {
-            selector.value(jsonObj).deleteValue();
-
-            let resultObj = {
-                'school': {'friends': [null, null]},
-                'friends': [
-                    {'name': '친구3', 'age': 30},
-                    {'name': '친구4'},
-                ],
-            };
-            if (JSON.stringify(selector.take()) !== JSON.stringify(resultObj)) {
-                throw 'jsonpath.SelectorMut.deleteValue';
-            }
-        }
-
-        {
-            selector.value(jsonObj).replaceWith((v) => {
-                v.age = v.age * 2;
-                return v;
-            });
-
-            let resultObj = {
-                'school': {
-                    'friends': [
-                        {'name': '친구1', 'age': 40},
-                        {'name': '친구2', 'age': 40},
-                    ],
-                },
-                'friends': [
-                    {'name': '친구3', 'age': 30},
-                    {'name': '친구4'},
-                ],
-            };
-            if (JSON.stringify(selector.take()) !== JSON.stringify(resultObj)) {
-                throw 'jsonpath.SelectorMut.replaceWith';
-            }
-        }
-
-        done();
-    });
-
-    it('jsonpath.select(json: string|object, jsonpath: string)', (done) => {
-        let jsonObj = {
-            "school": {
-                "friends": [
-                    {"name": "친구1", "age": 20},
-                    {"name": "친구2", "age": 20}
-                ]
-            },
-            "friends": [
-                {"name": "친구3", "age": 30},
-                {"name": "친구4"}
-            ]
-        };
-
-        let ret = [
-            {"name": "친구3", "age": 30},
-            {"name": "친구1", "age": 20}
-        ];
-
-
-        let selectAsString = jsonpath.select(JSON.stringify(jsonObj), '$..friends[0]');
-        let selectAsObj = jsonpath.select(jsonObj, '$..friends[0]');
-
-        if(
-            JSON.stringify(ret) !== JSON.stringify(selectAsString) ||
-            JSON.stringify(ret) !== JSON.stringify(selectAsObj)
-        ) {
-            throw 'jsonpath.select(json: string|object, jsonpath: string)';
-        }
-
-        done();
-    });
-
-    it('jsonpath.compile(jsonpath: string)', (done) => {
-        let template = jsonpath.compile('$..friends[0]');
-
-        let jsonObj = {
-            "school": {
-                "friends": [
-                    {"name": "친구1", "age": 20},
-                    {"name": "친구2", "age": 20}
-                ]
-            },
-            "friends": [
-                {"name": "친구3", "age": 30},
-                {"name": "친구4"}
-            ]
-        };
-
-        let ret = [
-            {"name": "친구3", "age": 30},
-            {"name": "친구1", "age": 20}
-        ];
-
-        let selectAsString = template(JSON.stringify(jsonObj));
-        let selectAsObj = template(jsonObj);
-
-        if(
-            JSON.stringify(ret) !== JSON.stringify(selectAsString) ||
-            JSON.stringify(ret) !== JSON.stringify(selectAsObj)
-        ) {
-            throw 'jsonpath.compile(jsonpath: string) 1';
-        }
-
-        let jsonObj2 = {
-            "school": {
-                "friends": [
-                    {"name": "Millicent Norman"},
-                    {"name": "Vincent Cannon"}
-                ]
-            },
-            "friends": [ {"age": 30}, {"age": 40} ]
-        };
-
-        let ret2 = [
-            {"age": 30},
-            {"name": "Millicent Norman"}
-        ];
-
-        let selectAsString2 = template(JSON.stringify(jsonObj2));
-        let selectAsObj2 = template(jsonObj2);
-
-        if(
-            JSON.stringify(ret2) !== JSON.stringify(selectAsString2) ||
-            JSON.stringify(ret2) !== JSON.stringify(selectAsObj2)
-        ) {
-            throw 'jsonpath.compile(jsonpath: string) 2';
-        }
-
-        done();
-    });
-
-    it('jsonpath.selector(json: string|object)', (done) => {
-        let jsonObj = {
-            "school": {
-                "friends": [
-                    {"name": "친구1", "age": 20},
-                    {"name": "친구2", "age": 20}
-                ]
-            },
-            "friends": [
-                {"name": "친구3", "age": 30},
-                {"name": "친구4"}
-            ]
-        };
-
-        let ret1 = [
-            {"name": "친구3", "age": 30},
-            {"name": "친구1", "age": 20}
-        ];
-
-        let ret2 = [
-            {"name": "친구4"},
-            {"name": "친구2", "age": 20}
-        ];
-
-        let selector = jsonpath.selector(jsonObj);
-        let select1 = selector('$..friends[0]');
-        let select2 = selector('$..friends[1]');
-
-        if(
-            JSON.stringify(ret1) !== JSON.stringify(select1) ||
-            JSON.stringify(ret2) !== JSON.stringify(select2)
-        ) {
-            throw 'jsonpath.selector(json: string|object)';
-        }
-
-        done();
-    });
-
-    it('jsonpath.deleteValue(json: string|object, path: string)', (done) => {
-        let jsonObj = {
-            "school": {
-                "friends": [
-                    {"name": "친구1", "age": 20},
-                    {"name": "친구2", "age": 20}
-                ]
-            },
-            "friends": [
-                {"name": "친구3", "age": 30},
-                {"name": "친구4"}
-            ]
-        };
-
-        let _1 = jsonpath.deleteValue(jsonObj, '$..friends[0]');
-        let result = jsonpath.deleteValue(_1, '$..friends[1]');
-
-        if(JSON.stringify(result) === JSON.stringify({
-            "school": { "friends": [null, null]},
-            "friends": [null, null]
-        })) {
-            done();
-        }
-    });
-
-    it('jsonpath.replaceWith(json: string|object, path: string, fun: function(json: object) => json: object', (done) => {
-        let jsonObj = {
-            "school": {
-                "friends": [
-                    {"name": "친구1", "age": 20},
-                    {"name": "친구2", "age": 20}
-                ]
-            },
-            "friends": [
-                {"name": "친구3", "age": 30},
-                {"name": "친구4"}
-            ]
-        };
-
-        let result = jsonpath.replaceWith(jsonObj, '$..friends[0]', (v) => {
-            v.age = v.age * 2;
-            return v;
-        });
-
-        if(JSON.stringify(result) === JSON.stringify({
-            "school": {
-                "friends": [
-                    {"name": "친구1", "age": 40},
-                    {"name": "친구2", "age": 20}
-                ]
-            },
-            "friends": [
-                {"name": "친구3", "age": 60},
-                {"name": "친구4"}
-            ]
-        })) {
-            done();
-        }
-    });
-});
-
-describe('ISSUE test', () => {
-    it('Results do not match other implementations #6', (done) => {
-        let result = jsonpath.select(["first", "second"], "$[:]");
-        if (JSON.stringify(result) === JSON.stringify(["first", "second"])) {
-            done();
-        }
-    });
-
-    it('Invalid wildcard filter results #7', (done) => {
-
-        function select(json, expected, paths) {
-            for (var i = 0 ; i < paths.length ; i++) {
-                let result = jsonpath.select(json, paths[i]);
-                if (JSON.stringify(result) !== JSON.stringify(expected)) {
-                    throw Error("Error: " + paths[i]);
-                }
-            }
-        }
-
-        select(
-            ["string", 42, { "key": "value" }, [0, 1]],
-            ["string", 42, { "key": "value" }, [0, 1]],
-            ["$.*", "$[*]"]
-        );
-
-        select(
-            ["string", 42, { "key": "value" }, [0, 1]],
-            [ "string", 42, { "key" : "value" }, [ 0, 1 ], "value", 0, 1 ],
-            ["$..*", "$..[*]"]
-        );
-
-        select(
-            ["string", 42, { "key": "value" }, [0, 1]],
-            ["value", 0, 1],
-            ["$.*.*", "$[*].*", "$.*[*]", "$[*][*]"]
-        );
-
-        done();
-    });
-});

src/ffi/mod.rs

@@ -0,0 +1,59 @@
+use std::ffi::{CStr, CString};
+use std::os::raw::{c_char, c_void};
+
+use {parser, select, select_as_str};
+
+const INVALID_PATH: &str = "invalid path";
+const INVALID_JSON: &str = "invalud json";
+
+fn to_str(v: *const c_char, err_msg: &str) -> &str {
+    unsafe { CStr::from_ptr(v) }.to_str().expect(err_msg)
+}
+
+fn to_char_ptr(v: &str) -> *const c_char {
+    let s = CString::new(v).unwrap_or_else(|_| panic!("invalid string: {}", v));
+    let ptr = s.as_ptr();
+    std::mem::forget(s);
+    ptr
+}
+
+#[no_mangle]
+pub extern "C" fn ffi_select(json_str: *const c_char, path: *const c_char) -> *const c_char {
+    let json_str = to_str(json_str, INVALID_JSON);
+    let path = to_str(path, INVALID_PATH);
+    match select_as_str(json_str, path) {
+        Ok(v) => to_char_ptr(v.as_str()),
+        Err(e) => {
+            panic!("{:?}", e);
+        }
+    }
+}
+
+#[no_mangle]
+#[allow(clippy::forget_copy)]
+pub extern "C" fn ffi_path_compile(path: *const c_char) -> *mut c_void {
+    let path = to_str(path, INVALID_PATH);
+    let ref_node = Box::into_raw(Box::new(parser::Parser::compile(path).unwrap()));
+    let ptr = ref_node as *mut c_void;
+    std::mem::forget(ref_node);
+    ptr
+}
+
+#[no_mangle]
+pub extern "C" fn ffi_select_with_compiled_path(
+    path_ptr: *mut c_void,
+    json_ptr: *const c_char,
+) -> *const c_char {
+    let node = unsafe { Box::from_raw(path_ptr as *mut parser::Node) };
+    let json_str = to_str(json_ptr, INVALID_JSON);
+    let json = serde_json::from_str(json_str)
+        .unwrap_or_else(|_| panic!("invalid json string: {}", json_str));
+
+    let mut selector = select::Selector::default();
+    let found = selector.compiled_path(&node).value(&json).select().unwrap();
+    std::mem::forget(node);
+
+    let result = serde_json::to_string(&found)
+        .unwrap_or_else(|_| panic!("json serialize error: {:?}", found));
+    to_char_ptr(result.as_str())
+}

src/lib.rs

@@ -132,10 +132,12 @@ extern crate serde_json;
 
 use serde_json::Value;
 
-pub use parser::parser::{Node, Parser};
+pub use parser::Parser; // TODO private
 pub use select::JsonPathError;
 pub use select::{Selector, SelectorMut};
 
+#[doc(hidden)]
+mod ffi;
 #[doc(hidden)]
 mod parser;
 #[doc(hidden)]
@@ -169,10 +171,10 @@ mod select;
 /// ]);
 /// ```
 pub fn compile(path: &str) -> impl FnMut(&Value) -> Result<Vec<&Value>, JsonPathError> {
-    let node = Parser::compile(path);
+    let node = parser::Parser::compile(path);
     move |json| match &node {
         Ok(node) => {
-            let mut selector = Selector::new();
+            let mut selector = Selector::default();
             selector.compiled_path(node).value(json).select()
         }
         Err(e) => Err(JsonPathError::Path(e.to_string())),
@@ -213,8 +215,9 @@ pub fn compile(path: &str) -> impl FnMut(&Value) -> Result<Vec<&Value>, JsonPath
 ///     &json!({"name": "친구2", "age": 20})
 /// ]);
 /// ```
-pub fn selector<'a>(json: &'a Value) -> impl FnMut(&'a str) -> Result<Vec<&Value>, JsonPathError> {
-    let mut selector = Selector::new();
+#[allow(clippy::needless_lifetimes)]
+pub fn selector<'a>(json: &'a Value) -> impl FnMut(&str) -> Result<Vec<&'a Value>, JsonPathError> {
+    let mut selector = Selector::default();
     let _ = selector.value(json);
     move |path: &str| selector.str_path(path)?.reset_value().select()
 }
@@ -268,7 +271,7 @@ pub fn selector<'a>(json: &'a Value) -> impl FnMut(&'a str) -> Result<Vec<&Value
 pub fn selector_as<T: serde::de::DeserializeOwned>(
     json: &Value,
 ) -> impl FnMut(&str) -> Result<Vec<T>, JsonPathError> + '_ {
-    let mut selector = Selector::new();
+    let mut selector = Selector::default();
     let _ = selector.value(json);
     move |path: &str| selector.str_path(path)?.reset_value().select_as()
 }
@@ -298,8 +301,8 @@ pub fn selector_as<T: serde::de::DeserializeOwned>(
 ///     &json!({"name": "친구1", "age": 20})
 /// ]);
 /// ```
-pub fn select<'a>(json: &'a Value, path: &'a str) -> Result<Vec<&'a Value>, JsonPathError> {
-    Selector::new().str_path(path)?.value(json).select()
+pub fn select<'a>(json: &'a Value, path: &str) -> Result<Vec<&'a Value>, JsonPathError> {
+    Selector::default().str_path(path)?.value(json).select()
 }
 
 /// It is the same to `select` function but it return the result as string.
@@ -327,7 +330,7 @@ pub fn select<'a>(json: &'a Value, path: &'a str) -> Result<Vec<&'a Value>, Json
 /// ```
 pub fn select_as_str(json_str: &str, path: &str) -> Result<String, JsonPathError> {
     let json = serde_json::from_str(json_str).map_err(|e| JsonPathError::Serde(e.to_string()))?;
-    let ret = Selector::new().str_path(path)?.value(&json).select()?;
+    let ret = Selector::default().str_path(path)?.value(&json).select()?;
     serde_json::to_string(&ret).map_err(|e| JsonPathError::Serde(e.to_string()))
 }
 
@@ -374,7 +377,7 @@ pub fn select_as<T: serde::de::DeserializeOwned>(
     path: &str,
 ) -> Result<Vec<T>, JsonPathError> {
     let json = serde_json::from_str(json_str).map_err(|e| JsonPathError::Serde(e.to_string()))?;
-    Selector::new().str_path(path)?.value(&json).select_as()
+    Selector::default().str_path(path)?.value(&json).select_as()
 }
 
 /// Delete(= replace with null) the JSON property using the jsonpath.
@@ -410,14 +413,9 @@ pub fn select_as<T: serde::de::DeserializeOwned>(
 /// ]}));
 /// ```
 pub fn delete(value: Value, path: &str) -> Result<Value, JsonPathError> {
-    let mut selector = SelectorMut::new();
-    let ret = selector
-        .str_path(path)?
-        .value(value)
-        .delete()?
-        .take()
-        .unwrap_or(Value::Null);
-    Ok(ret)
+    let mut selector = SelectorMut::default();
+    let value = selector.str_path(path)?.value(value).delete()?;
+    Ok(value.take().unwrap_or(Value::Null))
 }
 
 /// Select JSON properties using a jsonpath and transform the result and then replace it. via closure that implements `FnMut` you can transform the selected results.
@@ -447,7 +445,7 @@ pub fn delete(value: Value, path: &str) -> Result<Value, JsonPathError> {
 ///         0
 ///     };
 ///
-///     json!(age)
+///     Some(json!(age))
 /// }).unwrap();
 ///
 /// assert_eq!(ret, json!({
@@ -464,14 +462,9 @@ pub fn delete(value: Value, path: &str) -> Result<Value, JsonPathError> {
 /// ```
 pub fn replace_with<F>(value: Value, path: &str, fun: &mut F) -> Result<Value, JsonPathError>
 where
-    F: FnMut(&Value) -> Value,
+    F: FnMut(Value) -> Option<Value>,
 {
-    let mut selector = SelectorMut::new();
-    let ret = selector
-        .str_path(path)?
-        .value(value)
-        .replace_with(fun)?
-        .take()
-        .unwrap_or(Value::Null);
-    Ok(ret)
+    let mut selector = SelectorMut::default();
+    let value = selector.str_path(path)?.value(value).replace_with(fun)?;
+    Ok(value.take().unwrap_or(Value::Null))
 }

src/parser/mod.rs

@@ -1,10 +1,696 @@
-pub mod parser;
 mod path_reader;
-pub(crate) mod tokenizer;
+mod tokenizer;
+
+use std::str::FromStr;
+
+use self::tokenizer::*;
+
+const DUMMY: usize = 0;
+
+type ParseResult<T> = Result<T, String>;
+
+mod utils {
+    use std::str::FromStr;
+
+    pub fn string_to_num<F, S: FromStr>(string: &str, msg_handler: F) -> Result<S, String>
+    where
+        F: Fn() -> String,
+    {
+        match string.parse() {
+            Ok(n) => Ok(n),
+            _ => Err(msg_handler()),
+        }
+    }
+}
+
+#[derive(Debug, PartialEq, Clone)]
+pub enum ParseToken {
+    // '$'
+    Absolute,
+    // '@'
+    Relative,
+    // '.'
+    In,
+    // '..'
+    Leaves,
+    // '*'
+    All,
+
+    Key(String),
+    Keys(Vec<String>),
+    // []
+    Array,
+    // 메타토큰
+    ArrayEof,
+    // ?( filter )
+    Filter(FilterToken),
+    // 1 : 2
+    Range(Option<isize>, Option<isize>, Option<usize>),
+    // 1, 2, 3
+    Union(Vec<isize>),
+
+    Number(f64),
+
+    Bool(bool),
+
+    Eof,
+}
+
+#[derive(Debug, PartialEq, Clone)]
+pub enum FilterToken {
+    Equal,
+    NotEqual,
+    Little,
+    LittleOrEqual,
+    Greater,
+    GreaterOrEqual,
+    And,
+    Or,
+}
+
+#[derive(Debug, Clone)]
+pub struct Node {
+    left: Option<Box<Node>>,
+    right: Option<Box<Node>>,
+    token: ParseToken,
+}
+
+pub struct Parser;
+
+impl Parser {
+    pub fn compile(input: &str) -> ParseResult<Node> {
+        let mut tokenizer = TokenReader::new(input);
+        Ok(Self::json_path(&mut tokenizer)?)
+    }
+
+    fn json_path(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#json_path");
+        match tokenizer.next_token() {
+            Ok(Token::Absolute(_)) => {
+                let node = Self::node(ParseToken::Absolute);
+                Self::paths(node, tokenizer)
+            }
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn paths(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#paths");
+        match tokenizer.peek_token() {
+            Ok(Token::Dot(_)) => {
+                Self::eat_token(tokenizer);
+                Self::paths_dot(prev, tokenizer)
+            }
+            Ok(Token::OpenArray(_)) => {
+                Self::eat_token(tokenizer);
+                Self::eat_whitespace(tokenizer);
+                let node = Self::array(prev, tokenizer)?;
+                Self::paths(node, tokenizer)
+            }
+            _ => Ok(prev),
+        }
+    }
+
+    fn paths_dot(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#paths_dot");
+        let node = Self::path(prev, tokenizer)?;
+        Self::paths(node, tokenizer)
+    }
+
+    fn path(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#path");
+        match tokenizer.peek_token() {
+            Ok(Token::Dot(_)) => Self::path_leaves(prev, tokenizer),
+            Ok(Token::Asterisk(_)) => Self::path_in_all(prev, tokenizer),
+            Ok(Token::Key(_, _)) => Self::path_in_key(prev, tokenizer),
+            Ok(Token::OpenArray(_)) => {
+                Self::eat_token(tokenizer);
+                Self::array(prev, tokenizer)
+            }
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn path_leaves(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#path_leaves");
+        Self::eat_token(tokenizer);
+        match tokenizer.peek_token() {
+            Ok(Token::Asterisk(_)) => Self::path_leaves_all(prev, tokenizer),
+            Ok(Token::OpenArray(_)) => {
+                let mut leaves_node = Self::node(ParseToken::Leaves);
+                leaves_node.left = Some(Box::new(prev));
+                Ok(Self::paths(leaves_node, tokenizer)?)
+            }
+            _ => Self::path_leaves_key(prev, tokenizer),
+        }
+    }
+
+    fn path_leaves_key(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#path_leaves_key");
+        Ok(Node {
+            token: ParseToken::Leaves,
+            left: Some(Box::new(prev)),
+            right: Some(Box::new(Self::key(tokenizer)?)),
+        })
+    }
+
+    fn path_leaves_all(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#path_leaves_all");
+        Self::eat_token(tokenizer);
+        Ok(Node {
+            token: ParseToken::Leaves,
+            left: Some(Box::new(prev)),
+            right: Some(Box::new(Self::node(ParseToken::All))),
+        })
+    }
+
+    fn path_in_all(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#path_in_all");
+        Self::eat_token(tokenizer);
+        Ok(Node {
+            token: ParseToken::In,
+            left: Some(Box::new(prev)),
+            right: Some(Box::new(Self::node(ParseToken::All))),
+        })
+    }
+
+    fn path_in_key(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#path_in_key");
+        Ok(Node {
+            token: ParseToken::In,
+            left: Some(Box::new(prev)),
+            right: Some(Box::new(Self::key(tokenizer)?)),
+        })
+    }
+
+    fn key(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#key");
+        match tokenizer.next_token() {
+            Ok(Token::Key(_, v)) => Ok(Self::node(ParseToken::Key(v))),
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn boolean(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#boolean");
+
+        fn validation_bool_value(v: &str) -> bool {
+            let b = v.as_bytes();
+            !b.is_empty() && (b[0] == b't' || b[0] == b'T' || b[0] == b'f' || b[0] == b'F')
+        }
+
+        match tokenizer.next_token() {
+            Ok(Token::Key(_, ref v)) if validation_bool_value(v) => {
+                Ok(Self::node(ParseToken::Bool(v.eq_ignore_ascii_case("true"))))
+            }
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn array_keys(tokenizer: &mut TokenReader, first_key: String) -> ParseResult<Node> {
+        let mut keys = vec![first_key];
+        while tokenizer.peek_is(COMMA) {
+            Self::eat_token(tokenizer);
+            Self::eat_whitespace(tokenizer);
+
+            match tokenizer.next_token() {
+                Ok(Token::SingleQuoted(_, val)) | Ok(Token::DoubleQuoted(_, val)) => {
+                    keys.push(val);
+                }
+                _ => return Err(tokenizer.err_msg()),
+            }
+
+            Self::eat_whitespace(tokenizer);
+        }
+
+        Ok(Self::node(ParseToken::Keys(keys)))
+    }
+
+    fn array_quote_value(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#array_quote_value");
+        match tokenizer.next_token() {
+            Ok(Token::SingleQuoted(_, val)) | Ok(Token::DoubleQuoted(_, val)) => {
+                if tokenizer.peek_is(COMMA) {
+                    Self::array_keys(tokenizer, val)
+                } else {
+                    Ok(Self::node(ParseToken::Key(val)))
+                }
+            }
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn array_start(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#array_start");
+        match tokenizer.peek_token() {
+            Ok(Token::Question(_)) => {
+                Self::eat_token(tokenizer);
+                Ok(Node {
+                    token: ParseToken::Array,
+                    left: Some(Box::new(prev)),
+                    right: Some(Box::new(Self::filter(tokenizer)?)),
+                })
+            }
+            Ok(Token::Asterisk(_)) => {
+                Self::eat_token(tokenizer);
+                Ok(Node {
+                    token: ParseToken::Array,
+                    left: Some(Box::new(prev)),
+                    right: Some(Box::new(Self::node(ParseToken::All))),
+                })
+            }
+            _ => Ok(Node {
+                token: ParseToken::Array,
+                left: Some(Box::new(prev)),
+                right: Some(Box::new(Self::array_value(tokenizer)?)),
+            }),
+        }
+    }
+
+    fn array(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#array");
+        let ret = Self::array_start(prev, tokenizer)?;
+        Self::eat_whitespace(tokenizer);
+        Self::close_token(ret, Token::CloseArray(DUMMY), tokenizer)
+    }
+
+    fn array_value_key(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#array_value_key");
+        match tokenizer.next_token() {
+            Ok(Token::Key(pos, ref val)) => {
+                let digit = utils::string_to_num(val, || tokenizer.err_msg_with_pos(pos))?;
+                Self::eat_whitespace(tokenizer);
+
+                match tokenizer.peek_token() {
+                    Ok(Token::Comma(_)) => Self::union(digit, tokenizer),
+                    Ok(Token::Split(_)) => Self::range_from(digit, tokenizer),
+                    _ => Ok(Self::node(ParseToken::Number(digit as f64))),
+                }
+            }
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn array_value(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#array_value");
+        match tokenizer.peek_token() {
+            Ok(Token::Key(_, _)) => Self::array_value_key(tokenizer),
+            Ok(Token::Split(_)) => {
+                Self::eat_token(tokenizer);
+                Self::range_to(tokenizer)
+            }
+            Ok(Token::DoubleQuoted(_, _)) | Ok(Token::SingleQuoted(_, _)) => {
+                Self::array_quote_value(tokenizer)
+            }
+            Err(TokenError::Eof) => Ok(Self::node(ParseToken::Eof)),
+            _ => {
+                Self::eat_token(tokenizer);
+                Err(tokenizer.err_msg())
+            }
+        }
+    }
+
+    fn union(num: isize, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#union");
+        let mut values = vec![num];
+        while match tokenizer.peek_token() {
+            Ok(Token::Comma(_)) => true,
+            _ => false,
+        } {
+            Self::eat_token(tokenizer);
+            Self::eat_whitespace(tokenizer);
+            match tokenizer.next_token() {
+                Ok(Token::Key(pos, ref val)) => {
+                    let digit = utils::string_to_num(val, || tokenizer.err_msg_with_pos(pos))?;
+                    values.push(digit);
+                }
+                _ => {
+                    return Err(tokenizer.err_msg());
+                }
+            }
+        }
+        Ok(Self::node(ParseToken::Union(values)))
+    }
+
+    fn range_value<S: FromStr>(tokenizer: &mut TokenReader) -> Result<Option<S>, String> {
+        Self::eat_whitespace(tokenizer);
+
+        match tokenizer.peek_token() {
+            Ok(Token::Split(_)) => {
+                Self::eat_token(tokenizer);
+                Self::eat_whitespace(tokenizer);
+            }
+            _ => {
+                return Ok(None);
+            }
+        }
+
+        match tokenizer.peek_token() {
+            Ok(Token::Key(_, _)) => {}
+            _ => {
+                return Ok(None);
+            }
+        }
+
+        match tokenizer.next_token() {
+            Ok(Token::Key(pos, str_step)) => {
+                match utils::string_to_num(&str_step, || tokenizer.err_msg_with_pos(pos)) {
+                    Ok(step) => Ok(Some(step)),
+                    Err(e) => Err(e),
+                }
+            }
+            _ => {
+                unreachable!();
+            }
+        }
+    }
+
+    fn range_from(from: isize, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#range_from");
+        Self::eat_token(tokenizer);
+        Self::eat_whitespace(tokenizer);
+
+        match tokenizer.peek_token() {
+            Ok(Token::Key(_, _)) => Self::range(from, tokenizer),
+            Ok(Token::Split(_)) => match Self::range_value(tokenizer)? {
+                Some(step) => Ok(Self::node(ParseToken::Range(Some(from), None, Some(step)))),
+                _ => Ok(Self::node(ParseToken::Range(Some(from), None, None))),
+            },
+            _ => Ok(Self::node(ParseToken::Range(Some(from), None, None))),
+        }
+    }
+
+    fn range_to(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#range_to");
+
+        if let Some(step) = Self::range_value(tokenizer)? {
+            return Ok(Self::node(ParseToken::Range(None, None, Some(step))));
+        }
+
+        if let Ok(Token::CloseArray(_)) = tokenizer.peek_token() {
+            return Ok(Self::node(ParseToken::Range(None, None, None)));
+        }
+
+        match tokenizer.next_token() {
+            Ok(Token::Key(pos, ref to_str)) => {
+                let to = utils::string_to_num(to_str, || tokenizer.err_msg_with_pos(pos))?;
+                let step = Self::range_value(tokenizer)?;
+                Ok(Self::node(ParseToken::Range(None, Some(to), step)))
+            }
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn range(from: isize, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#range");
+        match tokenizer.next_token() {
+            Ok(Token::Key(pos, ref str_to)) => {
+                let to = utils::string_to_num(str_to, || tokenizer.err_msg_with_pos(pos))?;
+                let step = Self::range_value(tokenizer)?;
+                Ok(Self::node(ParseToken::Range(Some(from), Some(to), step)))
+            }
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn filter(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#filter");
+        match tokenizer.next_token() {
+            Ok(Token::OpenParenthesis(_)) => {
+                let ret = Self::exprs(tokenizer)?;
+                Self::eat_whitespace(tokenizer);
+                Self::close_token(ret, Token::CloseParenthesis(DUMMY), tokenizer)
+            }
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn exprs(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        Self::eat_whitespace(tokenizer);
+        debug!("#exprs");
+        let node = match tokenizer.peek_token() {
+            Ok(Token::OpenParenthesis(_)) => {
+                Self::eat_token(tokenizer);
+                trace!("\t-exprs - open_parenthesis");
+                let ret = Self::exprs(tokenizer)?;
+                Self::eat_whitespace(tokenizer);
+                Self::close_token(ret, Token::CloseParenthesis(DUMMY), tokenizer)?
+            }
+            _ => {
+                trace!("\t-exprs - else");
+                Self::expr(tokenizer)?
+            }
+        };
+        Self::eat_whitespace(tokenizer);
+        Self::condition_expr(node, tokenizer)
+    }
+
+    fn condition_expr(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#condition_expr");
+        match tokenizer.peek_token() {
+            Ok(Token::And(_)) => {
+                Self::eat_token(tokenizer);
+                Ok(Node {
+                    token: ParseToken::Filter(FilterToken::And),
+                    left: Some(Box::new(prev)),
+                    right: Some(Box::new(Self::exprs(tokenizer)?)),
+                })
+            }
+            Ok(Token::Or(_)) => {
+                Self::eat_token(tokenizer);
+                Ok(Node {
+                    token: ParseToken::Filter(FilterToken::Or),
+                    left: Some(Box::new(prev)),
+                    right: Some(Box::new(Self::exprs(tokenizer)?)),
+                })
+            }
+            _ => Ok(prev),
+        }
+    }
+
+    fn expr(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#expr");
+
+        let has_prop_candidate = match tokenizer.peek_token() {
+            Ok(Token::At(_)) => true,
+            _ => false,
+        };
+
+        let node = Self::term(tokenizer)?;
+        Self::eat_whitespace(tokenizer);
+
+        if match tokenizer.peek_token() {
+            Ok(Token::Equal(_))
+            | Ok(Token::NotEqual(_))
+            | Ok(Token::Little(_))
+            | Ok(Token::LittleOrEqual(_))
+            | Ok(Token::Greater(_))
+            | Ok(Token::GreaterOrEqual(_)) => true,
+            _ => false,
+        } {
+            Self::op(node, tokenizer)
+        } else if has_prop_candidate {
+            Ok(node)
+        } else {
+            Err(tokenizer.err_msg())
+        }
+    }
+
+    fn term_num(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#term_num");
+        match tokenizer.next_token() {
+            Ok(Token::Key(pos, val)) => match tokenizer.peek_token() {
+                Ok(Token::Dot(_)) => Self::term_num_float(val.as_str(), tokenizer),
+                _ => {
+                    let number = utils::string_to_num(&val, || tokenizer.err_msg_with_pos(pos))?;
+                    Ok(Self::node(ParseToken::Number(number)))
+                }
+            },
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn term_num_float(num: &str, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#term_num_float");
+        Self::eat_token(tokenizer);
+        match tokenizer.next_token() {
+            Ok(Token::Key(pos, frac)) => {
+                let mut f = String::new();
+                f.push_str(&num);
+                f.push('.');
+                f.push_str(frac.as_str());
+                let number = utils::string_to_num(&f, || tokenizer.err_msg_with_pos(pos))?;
+                Ok(Self::node(ParseToken::Number(number)))
+            }
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+
+    fn term(tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#term");
+
+        if tokenizer.peek_is(AT) {
+            Self::eat_token(tokenizer);
+            let node = Self::node(ParseToken::Relative);
+
+            return match tokenizer.peek_token() {
+                Ok(Token::Whitespace(_, _)) => {
+                    Self::eat_whitespace(tokenizer);
+                    Ok(node)
+                }
+                _ => Self::paths(node, tokenizer),
+            };
+        }
+
+        if tokenizer.peek_is(ABSOLUTE) {
+            return Self::json_path(tokenizer);
+        }
+
+        if tokenizer.peek_is(DOUBLE_QUOTE) || tokenizer.peek_is(SINGLE_QUOTE) {
+            return Self::array_quote_value(tokenizer);
+        }
+
+        if tokenizer.peek_is(KEY) {
+            let key = if let Ok(Token::Key(_, k)) = tokenizer.peek_token() {
+                k.clone()
+            } else {
+                unreachable!()
+            };
+
+            return match key.as_bytes()[0] {
+                b'-' | b'0'..=b'9' => Self::term_num(tokenizer),
+                _ => Self::boolean(tokenizer),
+            };
+        }
+
+        Err(tokenizer.err_msg())
+    }
+
+    fn op(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#op");
+        let token = match tokenizer.next_token() {
+            Ok(Token::Equal(_)) => ParseToken::Filter(FilterToken::Equal),
+            Ok(Token::NotEqual(_)) => ParseToken::Filter(FilterToken::NotEqual),
+            Ok(Token::Little(_)) => ParseToken::Filter(FilterToken::Little),
+            Ok(Token::LittleOrEqual(_)) => ParseToken::Filter(FilterToken::LittleOrEqual),
+            Ok(Token::Greater(_)) => ParseToken::Filter(FilterToken::Greater),
+            Ok(Token::GreaterOrEqual(_)) => ParseToken::Filter(FilterToken::GreaterOrEqual),
+            _ => {
+                return Err(tokenizer.err_msg());
+            }
+        };
+
+        Self::eat_whitespace(tokenizer);
+
+        Ok(Node {
+            token,
+            left: Some(Box::new(prev)),
+            right: Some(Box::new(Self::term(tokenizer)?)),
+        })
+    }
+
+    fn eat_whitespace(tokenizer: &mut TokenReader) {
+        while let Ok(Token::Whitespace(_, _)) = tokenizer.peek_token() {
+            let _ = tokenizer.next_token();
+        }
+    }
+
+    fn eat_token(tokenizer: &mut TokenReader) {
+        let _ = tokenizer.next_token();
+    }
+
+    fn node(token: ParseToken) -> Node {
+        Node {
+            left: None,
+            right: None,
+            token,
+        }
+    }
+
+    fn close_token(ret: Node, token: Token, tokenizer: &mut TokenReader) -> ParseResult<Node> {
+        debug!("#close_token");
+        match tokenizer.next_token() {
+            Ok(ref t) if t.partial_eq(token) => Ok(ret),
+            _ => Err(tokenizer.err_msg()),
+        }
+    }
+}
+
+pub trait NodeVisitor {
+    fn visit(&mut self, node: &Node) {
+        match &node.token {
+            ParseToken::Absolute
+            | ParseToken::Relative
+            | ParseToken::All
+            | ParseToken::Key(_)
+            | ParseToken::Keys(_)
+            | ParseToken::Range(_, _, _)
+            | ParseToken::Union(_)
+            | ParseToken::Number(_)
+            | ParseToken::Bool(_) => {
+                self.visit_token(&node.token);
+            }
+            ParseToken::In | ParseToken::Leaves => {
+                if let Some(n) = &node.left {
+                    self.visit(&*n);
+                }
+
+                self.visit_token(&node.token);
+
+                if let Some(n) = &node.right {
+                    self.visit(&*n);
+                }
+            }
+            ParseToken::Array => {
+                if let Some(n) = &node.left {
+                    self.visit(&*n);
+                }
+
+                self.visit_token(&node.token);
+
+                if let Some(n) = &node.right {
+                    self.visit(&*n);
+                }
+
+                self.visit_token(&ParseToken::ArrayEof);
+            }
+            ParseToken::Filter(FilterToken::And) | ParseToken::Filter(FilterToken::Or) => {
+                if let Some(n) = &node.left {
+                    self.visit(&*n);
+                }
+
+                if let Some(n) = &node.right {
+                    self.visit(&*n);
+                }
+
+                self.visit_token(&node.token);
+            }
+            ParseToken::Filter(_) => {
+                if let Some(n) = &node.left {
+                    self.visit(&*n);
+                }
+
+                self.end_term();
+
+                if let Some(n) = &node.right {
+                    self.visit(&*n);
+                }
+
+                self.end_term();
+
+                self.visit_token(&node.token);
+            }
+            _ => {}
+        }
+    }
+
+    fn visit_token(&mut self, token: &ParseToken);
+    fn end_term(&mut self) {}
+}
 
 #[cfg(test)]
 mod parser_tests {
-    use parser::parser::{FilterToken, NodeVisitor, ParseToken, Parser};
+    use parser::{FilterToken, NodeVisitor, ParseToken, Parser};
 
     struct NodeVisitorTestImpl<'a> {
         input: &'a str,
@@ -46,11 +732,7 @@ mod parser_tests {
         setup();
 
         fn invalid(path: &str) {
-            if let Err(_) = run(path) {
-                assert!(true);
-            } else {
-                assert!(false);
-            }
+            assert!(run(path).is_err());
         }
 
         invalid("$[]");
@@ -135,24 +817,21 @@ mod parser_tests {
             ])
         );
 
-        match run("$.") {
-            Ok(_) => panic!(),
-            _ => {}
+        if run("$.").is_ok() {
+            panic!();
         }
 
-        match run("$..") {
-            Ok(_) => panic!(),
-            _ => {}
+        if run("$..").is_ok() {
+            panic!();
         }
 
-        match run("$. a") {
-            Ok(_) => panic!(),
-            _ => {}
+        if run("$. a").is_ok() {
+            panic!();
         }
     }
 
     #[test]
-    fn parse_array_sytax() {
+    fn parse_array_syntax() {
         setup();
 
         assert_eq!(
@@ -525,24 +1204,20 @@ mod parser_tests {
             ])
         );
 
-        match run("$[1.1]") {
-            Ok(_) => panic!(),
-            _ => {}
+        if run("$[1.1]").is_ok() {
+            panic!();
         }
 
-        match run("$[?(1.1<.2)]") {
-            Ok(_) => panic!(),
-            _ => {}
+        if run("$[?(1.1<.2)]").is_ok() {
+            panic!();
         }
 
-        match run("$[?(1.1<2.)]") {
-            Ok(_) => panic!(),
-            _ => {}
+        if run("$[?(1.1<2.)]").is_ok() {
+            panic!();
         }
 
-        match run("$[?(1.1<2.a)]") {
-            Ok(_) => panic!(),
-            _ => {}
+        if run("$[?(1.1<2.a)]").is_ok() {
+            panic!();
         }
     }
 }
@@ -567,7 +1242,7 @@ mod tokenizer_tests {
     }
 
     fn run(input: &str, expected: (Vec<Token>, Option<TokenError>)) {
-        let (vec, err) = collect_token(input.clone());
+        let (vec, err) = collect_token(input);
         assert_eq!((vec, err), expected, "\"{}\"", input);
     }
 

src/parser/parser.rs

@@ -1,696 +0,0 @@
-use std::str::FromStr;
-
-use super::tokenizer::*;
-
-const DUMMY: usize = 0;
-
-type ParseResult<T> = Result<T, String>;
-
-mod utils {
-    use std::str::FromStr;
-
-    pub fn string_to_num<F, S: FromStr>(string: &String, msg_handler: F) -> Result<S, String>
-    where
-        F: Fn() -> String,
-    {
-        match string.as_str().parse() {
-            Ok(n) => Ok(n),
-            _ => Err(msg_handler()),
-        }
-    }
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub enum ParseToken {
-    // '$'
-    Absolute,
-    // '@'
-    Relative,
-    // '.'
-    In,
-    // '..'
-    Leaves,
-    // '*'
-    All,
-
-    Key(String),
-    Keys(Vec<String>),
-    // []
-    Array,
-    // 메타토큰
-    ArrayEof,
-    // ?( filter )
-    Filter(FilterToken),
-    // 1 : 2
-    Range(Option<isize>, Option<isize>, Option<usize>),
-    // 1, 2, 3
-    Union(Vec<isize>),
-
-    Number(f64),
-
-    Bool(bool),
-
-    Eof,
-}
-
-#[derive(Debug, PartialEq, Clone)]
-pub enum FilterToken {
-    Equal,
-    NotEqual,
-    Little,
-    LittleOrEqual,
-    Greater,
-    GreaterOrEqual,
-    And,
-    Or,
-}
-
-#[derive(Debug, Clone)]
-pub struct Node {
-    left: Option<Box<Node>>,
-    right: Option<Box<Node>>,
-    token: ParseToken,
-}
-
-pub struct Parser;
-
-impl Parser {
-    pub fn compile(input: &str) -> ParseResult<Node> {
-        let mut tokenizer = TokenReader::new(input);
-        Ok(Self::json_path(&mut tokenizer)?)
-    }
-
-    fn json_path(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#json_path");
-        match tokenizer.next_token() {
-            Ok(Token::Absolute(_)) => {
-                let node = Self::node(ParseToken::Absolute);
-                Self::paths(node, tokenizer)
-            }
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn paths(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#paths");
-        match tokenizer.peek_token() {
-            Ok(Token::Dot(_)) => {
-                Self::eat_token(tokenizer);
-                Self::paths_dot(prev, tokenizer)
-            }
-            Ok(Token::OpenArray(_)) => {
-                Self::eat_token(tokenizer);
-                Self::eat_whitespace(tokenizer);
-                let node = Self::array(prev, tokenizer)?;
-                Self::paths(node, tokenizer)
-            }
-            _ => Ok(prev),
-        }
-    }
-
-    fn paths_dot(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#paths_dot");
-        let node = Self::path(prev, tokenizer)?;
-        Self::paths(node, tokenizer)
-    }
-
-    fn path(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#path");
-        match tokenizer.peek_token() {
-            Ok(Token::Dot(_)) => Self::path_leaves(prev, tokenizer),
-            Ok(Token::Asterisk(_)) => Self::path_in_all(prev, tokenizer),
-            Ok(Token::Key(_, _)) => Self::path_in_key(prev, tokenizer),
-            Ok(Token::OpenArray(_)) => {
-                Self::eat_token(tokenizer);
-                Self::array(prev, tokenizer)
-            }
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn path_leaves(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#path_leaves");
-        Self::eat_token(tokenizer);
-        match tokenizer.peek_token() {
-            Ok(Token::Asterisk(_)) => Self::path_leaves_all(prev, tokenizer),
-            Ok(Token::OpenArray(_)) => {
-                let mut leaves_node = Self::node(ParseToken::Leaves);
-                leaves_node.left = Some(Box::new(prev));
-                Ok(Self::paths(leaves_node, tokenizer)?)
-            }
-            _ => Self::path_leaves_key(prev, tokenizer),
-        }
-    }
-
-    fn path_leaves_key(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#path_leaves_key");
-        Ok(Node {
-            token: ParseToken::Leaves,
-            left: Some(Box::new(prev)),
-            right: Some(Box::new(Self::key(tokenizer)?)),
-        })
-    }
-
-    fn path_leaves_all(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#path_leaves_all");
-        Self::eat_token(tokenizer);
-        Ok(Node {
-            token: ParseToken::Leaves,
-            left: Some(Box::new(prev)),
-            right: Some(Box::new(Self::node(ParseToken::All))),
-        })
-    }
-
-    fn path_in_all(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#path_in_all");
-        Self::eat_token(tokenizer);
-        Ok(Node {
-            token: ParseToken::In,
-            left: Some(Box::new(prev)),
-            right: Some(Box::new(Self::node(ParseToken::All))),
-        })
-    }
-
-    fn path_in_key(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#path_in_key");
-        Ok(Node {
-            token: ParseToken::In,
-            left: Some(Box::new(prev)),
-            right: Some(Box::new(Self::key(tokenizer)?)),
-        })
-    }
-
-    fn key(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#key");
-        match tokenizer.next_token() {
-            Ok(Token::Key(_, v)) => Ok(Self::node(ParseToken::Key(v))),
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn boolean(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#boolean");
-        match tokenizer.next_token() {
-            Ok(Token::Key(_, ref v))
-                if {
-                    let b = v.as_bytes();
-                    b.len() > 0 && (b[0] == b't' || b[0] == b'T' || b[0] == b'f' || b[0] == b'F')
-                } =>
-            {
-                Ok(Self::node(ParseToken::Bool(v.eq_ignore_ascii_case("true"))))
-            }
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn array_keys(tokenizer: &mut TokenReader, first_key: String) -> ParseResult<Node> {
-        let mut keys = vec![first_key];
-        while tokenizer.peek_is(COMMA) {
-            Self::eat_token(tokenizer);
-            Self::eat_whitespace(tokenizer);
-
-            match tokenizer.next_token() {
-                Ok(Token::SingleQuoted(_, val)) | Ok(Token::DoubleQuoted(_, val)) => {
-                    keys.push(val);
-                }
-                _ => return Err(tokenizer.err_msg()),
-            }
-
-            Self::eat_whitespace(tokenizer);
-        }
-
-        Ok(Self::node(ParseToken::Keys(keys)))
-    }
-
-    fn array_quote_value(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#array_quote_value");
-        match tokenizer.next_token() {
-            Ok(Token::SingleQuoted(_, val)) | Ok(Token::DoubleQuoted(_, val)) => {
-                if !tokenizer.peek_is(COMMA) {
-                    Ok(Self::node(ParseToken::Key(val)))
-                } else {
-                    Self::array_keys(tokenizer, val)
-                }
-            }
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn array_start(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#array_start");
-        match tokenizer.peek_token() {
-            Ok(Token::Question(_)) => {
-                Self::eat_token(tokenizer);
-                Ok(Node {
-                    token: ParseToken::Array,
-                    left: Some(Box::new(prev)),
-                    right: Some(Box::new(Self::filter(tokenizer)?)),
-                })
-            }
-            Ok(Token::Asterisk(_)) => {
-                Self::eat_token(tokenizer);
-                Ok(Node {
-                    token: ParseToken::Array,
-                    left: Some(Box::new(prev)),
-                    right: Some(Box::new(Self::node(ParseToken::All))),
-                })
-            }
-            _ => Ok(Node {
-                token: ParseToken::Array,
-                left: Some(Box::new(prev)),
-                right: Some(Box::new(Self::array_value(tokenizer)?)),
-            }),
-        }
-    }
-
-    fn array(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#array");
-        let ret = Self::array_start(prev, tokenizer)?;
-        Self::eat_whitespace(tokenizer);
-        Self::close_token(ret, Token::CloseArray(DUMMY), tokenizer)
-    }
-
-    fn array_value_key(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#array_value_key");
-        match tokenizer.next_token() {
-            Ok(Token::Key(pos, ref val)) => {
-                let digit = utils::string_to_num(val, || tokenizer.err_msg_with_pos(pos))?;
-                Self::eat_whitespace(tokenizer);
-
-                match tokenizer.peek_token() {
-                    Ok(Token::Comma(_)) => Self::union(digit, tokenizer),
-                    Ok(Token::Split(_)) => Self::range_from(digit, tokenizer),
-                    _ => Ok(Self::node(ParseToken::Number(digit as f64))),
-                }
-            }
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn array_value(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#array_value");
-        match tokenizer.peek_token() {
-            Ok(Token::Key(_, _)) => Self::array_value_key(tokenizer),
-            Ok(Token::Split(_)) => {
-                Self::eat_token(tokenizer);
-                Self::range_to(tokenizer)
-            }
-            Ok(Token::DoubleQuoted(_, _)) | Ok(Token::SingleQuoted(_, _)) => {
-                Self::array_quote_value(tokenizer)
-            }
-            Err(TokenError::Eof) => Ok(Self::node(ParseToken::Eof)),
-            _ => {
-                Self::eat_token(tokenizer);
-                Err(tokenizer.err_msg())
-            }
-        }
-    }
-
-    fn union(num: isize, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#union");
-        let mut values = vec![num];
-        while match tokenizer.peek_token() {
-            Ok(Token::Comma(_)) => true,
-            _ => false,
-        } {
-            Self::eat_token(tokenizer);
-            Self::eat_whitespace(tokenizer);
-            match tokenizer.next_token() {
-                Ok(Token::Key(pos, ref val)) => {
-                    let digit = utils::string_to_num(val, || tokenizer.err_msg_with_pos(pos))?;
-                    values.push(digit);
-                }
-                _ => {
-                    return Err(tokenizer.err_msg());
-                }
-            }
-        }
-        Ok(Self::node(ParseToken::Union(values)))
-    }
-
-    fn range_value<S: FromStr>(tokenizer: &mut TokenReader) -> Result<Option<S>, String> {
-        Self::eat_whitespace(tokenizer);
-
-        match tokenizer.peek_token() {
-            Ok(Token::Split(_)) => {
-                Self::eat_token(tokenizer);
-                Self::eat_whitespace(tokenizer);
-            }
-            _ => {
-                return Ok(None);
-            }
-        }
-
-        match tokenizer.peek_token() {
-            Ok(Token::Key(_, _)) => {}
-            _ => {
-                return Ok(None);
-            }
-        }
-
-        match tokenizer.next_token() {
-            Ok(Token::Key(pos, str_step)) => {
-                match utils::string_to_num(&str_step, || tokenizer.err_msg_with_pos(pos)) {
-                    Ok(step) => Ok(Some(step)),
-                    Err(e) => Err(e),
-                }
-            }
-            _ => {
-                unreachable!();
-            }
-        }
-    }
-
-    fn range_from(from: isize, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#range_from");
-        Self::eat_token(tokenizer);
-        Self::eat_whitespace(tokenizer);
-
-        match tokenizer.peek_token() {
-            Ok(Token::Key(_, _)) => Self::range(from, tokenizer),
-            Ok(Token::Split(_)) => match Self::range_value(tokenizer)? {
-                Some(step) => Ok(Self::node(ParseToken::Range(Some(from), None, Some(step)))),
-                _ => Ok(Self::node(ParseToken::Range(Some(from), None, None))),
-            },
-            _ => Ok(Self::node(ParseToken::Range(Some(from), None, None))),
-        }
-    }
-
-    fn range_to(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#range_to");
-
-        match Self::range_value(tokenizer)? {
-            Some(step) => return Ok(Self::node(ParseToken::Range(None, None, Some(step)))),
-            _ => {}
-        }
-
-        match tokenizer.peek_token() {
-            Ok(Token::CloseArray(_)) => {
-                return Ok(Self::node(ParseToken::Range(None, None, None)));
-            }
-            _ => {}
-        }
-
-        match tokenizer.next_token() {
-            Ok(Token::Key(pos, ref to_str)) => {
-                let to = utils::string_to_num(to_str, || tokenizer.err_msg_with_pos(pos))?;
-                let step = Self::range_value(tokenizer)?;
-                Ok(Self::node(ParseToken::Range(None, Some(to), step)))
-            }
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn range(from: isize, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#range");
-        match tokenizer.next_token() {
-            Ok(Token::Key(pos, ref str_to)) => {
-                let to = utils::string_to_num(str_to, || tokenizer.err_msg_with_pos(pos))?;
-                let step = Self::range_value(tokenizer)?;
-                Ok(Self::node(ParseToken::Range(Some(from), Some(to), step)))
-            }
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn filter(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#filter");
-        match tokenizer.next_token() {
-            Ok(Token::OpenParenthesis(_)) => {
-                let ret = Self::exprs(tokenizer)?;
-                Self::eat_whitespace(tokenizer);
-                Self::close_token(ret, Token::CloseParenthesis(DUMMY), tokenizer)
-            }
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn exprs(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        Self::eat_whitespace(tokenizer);
-        debug!("#exprs");
-        let node = match tokenizer.peek_token() {
-            Ok(Token::OpenParenthesis(_)) => {
-                Self::eat_token(tokenizer);
-                trace!("\t-exprs - open_parenthesis");
-                let ret = Self::exprs(tokenizer)?;
-                Self::eat_whitespace(tokenizer);
-                Self::close_token(ret, Token::CloseParenthesis(DUMMY), tokenizer)?
-            }
-            _ => {
-                trace!("\t-exprs - else");
-                Self::expr(tokenizer)?
-            }
-        };
-        Self::eat_whitespace(tokenizer);
-        Self::condition_expr(node, tokenizer)
-    }
-
-    fn condition_expr(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#condition_expr");
-        match tokenizer.peek_token() {
-            Ok(Token::And(_)) => {
-                Self::eat_token(tokenizer);
-                Ok(Node {
-                    token: ParseToken::Filter(FilterToken::And),
-                    left: Some(Box::new(prev)),
-                    right: Some(Box::new(Self::exprs(tokenizer)?)),
-                })
-            }
-            Ok(Token::Or(_)) => {
-                Self::eat_token(tokenizer);
-                Ok(Node {
-                    token: ParseToken::Filter(FilterToken::Or),
-                    left: Some(Box::new(prev)),
-                    right: Some(Box::new(Self::exprs(tokenizer)?)),
-                })
-            }
-            _ => Ok(prev),
-        }
-    }
-
-    fn expr(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#expr");
-
-        let has_prop_candidate = match tokenizer.peek_token() {
-            Ok(Token::At(_)) => true,
-            _ => false,
-        };
-
-        let node = Self::term(tokenizer)?;
-        Self::eat_whitespace(tokenizer);
-
-        if match tokenizer.peek_token() {
-            Ok(Token::Equal(_))
-            | Ok(Token::NotEqual(_))
-            | Ok(Token::Little(_))
-            | Ok(Token::LittleOrEqual(_))
-            | Ok(Token::Greater(_))
-            | Ok(Token::GreaterOrEqual(_)) => true,
-            _ => false,
-        } {
-            Self::op(node, tokenizer)
-        } else if has_prop_candidate {
-            Ok(node)
-        } else {
-            return Err(tokenizer.err_msg());
-        }
-    }
-
-    fn term_num(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#term_num");
-        match tokenizer.next_token() {
-            Ok(Token::Key(pos, val)) => match tokenizer.peek_token() {
-                Ok(Token::Dot(_)) => Self::term_num_float(val.as_str(), tokenizer),
-                _ => {
-                    let number = utils::string_to_num(&val, || tokenizer.err_msg_with_pos(pos))?;
-                    Ok(Self::node(ParseToken::Number(number)))
-                }
-            },
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn term_num_float(mut num: &str, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#term_num_float");
-        Self::eat_token(tokenizer);
-        match tokenizer.next_token() {
-            Ok(Token::Key(pos, frac)) => {
-                let mut f = String::new();
-                f.push_str(&mut num);
-                f.push('.');
-                f.push_str(frac.as_str());
-                let number = utils::string_to_num(&f, || tokenizer.err_msg_with_pos(pos))?;
-                Ok(Self::node(ParseToken::Number(number)))
-            }
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-
-    fn term(tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#term");
-
-        if tokenizer.peek_is(AT) {
-            Self::eat_token(tokenizer);
-            let node = Self::node(ParseToken::Relative);
-
-            return match tokenizer.peek_token() {
-                Ok(Token::Whitespace(_, _)) => {
-                    Self::eat_whitespace(tokenizer);
-                    Ok(node)
-                }
-                _ => Self::paths(node, tokenizer),
-            };
-        }
-
-        if tokenizer.peek_is(ABSOLUTE) {
-            return Self::json_path(tokenizer);
-        }
-
-        if tokenizer.peek_is(DOUBLE_QUOTE) || tokenizer.peek_is(SINGLE_QUOTE) {
-            return Self::array_quote_value(tokenizer);
-        }
-
-        if tokenizer.peek_is(KEY) {
-            let key = if let Ok(Token::Key(_, k)) = tokenizer.peek_token() {
-                k.clone()
-            } else {
-                unreachable!()
-            };
-
-            return match key.as_bytes()[0] {
-                b'-' | b'0'...b'9' => Self::term_num(tokenizer),
-                _ => Self::boolean(tokenizer),
-            };
-        }
-
-        return Err(tokenizer.err_msg());
-    }
-
-    fn op(prev: Node, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#op");
-        let token = match tokenizer.next_token() {
-            Ok(Token::Equal(_)) => ParseToken::Filter(FilterToken::Equal),
-            Ok(Token::NotEqual(_)) => ParseToken::Filter(FilterToken::NotEqual),
-            Ok(Token::Little(_)) => ParseToken::Filter(FilterToken::Little),
-            Ok(Token::LittleOrEqual(_)) => ParseToken::Filter(FilterToken::LittleOrEqual),
-            Ok(Token::Greater(_)) => ParseToken::Filter(FilterToken::Greater),
-            Ok(Token::GreaterOrEqual(_)) => ParseToken::Filter(FilterToken::GreaterOrEqual),
-            _ => {
-                return Err(tokenizer.err_msg());
-            }
-        };
-
-        Self::eat_whitespace(tokenizer);
-
-        Ok(Node {
-            token,
-            left: Some(Box::new(prev)),
-            right: Some(Box::new(Self::term(tokenizer)?)),
-        })
-    }
-
-    fn eat_whitespace(tokenizer: &mut TokenReader) {
-        while let Ok(Token::Whitespace(_, _)) = tokenizer.peek_token() {
-            let _ = tokenizer.next_token();
-        }
-    }
-
-    fn eat_token(tokenizer: &mut TokenReader) {
-        let _ = tokenizer.next_token();
-    }
-
-    fn node(token: ParseToken) -> Node {
-        Node {
-            left: None,
-            right: None,
-            token,
-        }
-    }
-
-    fn close_token(ret: Node, token: Token, tokenizer: &mut TokenReader) -> ParseResult<Node> {
-        debug!("#close_token");
-        match tokenizer.next_token() {
-            Ok(ref t) if t.partial_eq(token) => Ok(ret),
-            _ => Err(tokenizer.err_msg()),
-        }
-    }
-}
-
-pub trait NodeVisitor {
-    fn visit(&mut self, node: &Node) {
-        match &node.token {
-            ParseToken::Absolute
-            | ParseToken::Relative
-            | ParseToken::All
-            | ParseToken::Key(_)
-            | ParseToken::Keys(_)
-            | ParseToken::Range(_, _, _)
-            | ParseToken::Union(_)
-            | ParseToken::Number(_)
-            | ParseToken::Bool(_) => {
-                self.visit_token(&node.token);
-            }
-            ParseToken::In | ParseToken::Leaves => {
-                match &node.left {
-                    Some(n) => self.visit(&*n),
-                    _ => {}
-                }
-
-                self.visit_token(&node.token);
-
-                match &node.right {
-                    Some(n) => self.visit(&*n),
-                    _ => {}
-                }
-            }
-            ParseToken::Array => {
-                match &node.left {
-                    Some(n) => self.visit(&*n),
-                    _ => {}
-                }
-
-                self.visit_token(&node.token);
-
-                match &node.right {
-                    Some(n) => self.visit(&*n),
-                    _ => {}
-                }
-                self.visit_token(&ParseToken::ArrayEof);
-            }
-            ParseToken::Filter(FilterToken::And) | ParseToken::Filter(FilterToken::Or) => {
-                match &node.left {
-                    Some(n) => self.visit(&*n),
-                    _ => {}
-                }
-
-                match &node.right {
-                    Some(n) => self.visit(&*n),
-                    _ => {}
-                }
-
-                self.visit_token(&node.token);
-            }
-            ParseToken::Filter(_) => {
-                match &node.left {
-                    Some(n) => self.visit(&*n),
-                    _ => {}
-                }
-
-                self.end_term();
-
-                match &node.right {
-                    Some(n) => self.visit(&*n),
-                    _ => {}
-                }
-
-                self.end_term();
-
-                self.visit_token(&node.token);
-            }
-            _ => {}
-        }
-    }
-
-    fn visit_token(&mut self, token: &ParseToken);
-    fn end_term(&mut self) {}
-}

src/parser/tokenizer.rs

@@ -2,29 +2,29 @@ use std::result::Result;
 
 use super::path_reader::{PathReader, ReaderError};
 
-pub const ABSOLUTE: &'static str = "$";
-pub const DOT: &'static str = ".";
-pub const AT: &'static str = "@";
-pub const OPEN_ARRAY: &'static str = "[";
-pub const CLOSE_ARRAY: &'static str = "]";
-pub const ASTERISK: &'static str = "*";
-pub const QUESTION: &'static str = "?";
-pub const COMMA: &'static str = ",";
-pub const SPLIT: &'static str = ":";
-pub const OPEN_PARENTHESIS: &'static str = "(";
-pub const CLOSE_PARENTHESIS: &'static str = ")";
-pub const KEY: &'static str = "Key";
-pub const DOUBLE_QUOTE: &'static str = "\"";
-pub const SINGLE_QUOTE: &'static str = "'";
-pub const EQUAL: &'static str = "==";
-pub const GREATER_OR_EQUAL: &'static str = ">=";
-pub const GREATER: &'static str = ">";
-pub const LITTLE: &'static str = "<";
-pub const LITTLE_OR_EQUAL: &'static str = "<=";
-pub const NOT_EQUAL: &'static str = "!=";
-pub const AND: &'static str = "&&";
-pub const OR: &'static str = "||";
-pub const WHITESPACE: &'static str = " ";
+pub const ABSOLUTE: &str = "$";
+pub const DOT: &str = ".";
+pub const AT: &str = "@";
+pub const OPEN_ARRAY: &str = "[";
+pub const CLOSE_ARRAY: &str = "]";
+pub const ASTERISK: &str = "*";
+pub const QUESTION: &str = "?";
+pub const COMMA: &str = ",";
+pub const SPLIT: &str = ":";
+pub const OPEN_PARENTHESIS: &str = "(";
+pub const CLOSE_PARENTHESIS: &str = ")";
+pub const KEY: &str = "Key";
+pub const DOUBLE_QUOTE: &str = "\"";
+pub const SINGLE_QUOTE: &str = "'";
+pub const EQUAL: &str = "==";
+pub const GREATER_OR_EQUAL: &str = ">=";
+pub const GREATER: &str = ">";
+pub const LITTLE: &str = "<";
+pub const LITTLE_OR_EQUAL: &str = "<=";
+pub const NOT_EQUAL: &str = "!=";
+pub const AND: &str = "&&";
+pub const OR: &str = "||";
+pub const WHITESPACE: &str = " ";
 
 const CH_DOLLA: char = '$';
 const CH_DOT: char = '.';
@@ -94,6 +94,7 @@ impl Token {
         self.to_simple() == str_token
     }
 
+    #[cfg_attr(tarpaulin, skip)]
     fn to_simple(&self) -> &'static str {
         match self {
             Token::Absolute(_) => ABSOLUTE,
@@ -161,7 +162,7 @@ impl<'a> Tokenizer<'a> {
         if let Some('\\') = val.chars().last() {
             self.input.next_char().map_err(to_token_error)?;
             let _ = val.pop();
-            let (_, mut val_remain) = self
+            let (_, val_remain) = self
                 .input
                 .take_while(|c| *c != ch)
                 .map_err(to_token_error)?;
@@ -321,7 +322,7 @@ impl<'a> TokenReader<'a> {
                 }
                 Err(e) => {
                     return TokenReader {
-                        origin_input: input.clone(),
+                        origin_input: input,
                         err: e,
                         err_pos: tokenizer.current_pos(),
                         tokens,

tests/common.rs

@@ -30,8 +30,8 @@ pub fn read_contents(path: &str) -> String {
 }
 
 #[allow(dead_code)]
-pub fn select_and_then_compare<'a>(path: &str, json: Value, target: Value) {
-    let mut selector = Selector::new();
+pub fn select_and_then_compare(path: &str, json: Value, target: Value) {
+    let mut selector = Selector::default();
     let result = selector
         .str_path(path)
         .unwrap()
@@ -41,7 +41,7 @@ pub fn select_and_then_compare<'a>(path: &str, json: Value, target: Value) {
     assert_eq!(
         result,
         match target {
-            Value::Array(vec) => vec.clone(),
+            Value::Array(vec) => vec,
             _ => panic!("Give me the Array!"),
         },
         "{}",
@@ -50,7 +50,7 @@ pub fn select_and_then_compare<'a>(path: &str, json: Value, target: Value) {
 }
 
 #[allow(dead_code)]
-pub fn compare_result<'a>(result: Vec<&Value>, target: Value) {
+pub fn compare_result(result: Vec<&Value>, target: Value) {
     let result = serde_json::to_value(result).unwrap();
     assert_eq!(result, target);
 }

tests/filter.rs

@@ -13,7 +13,7 @@ fn array() {
 
     select_and_then_compare(
         "$.school.friends[1, 2]",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!([
             {"id": 1, "name": "Vincent Cannon" },
             {"id": 2, "name": "Gray Berry"}
@@ -22,7 +22,7 @@ fn array() {
 
     select_and_then_compare(
         "$.school.friends[1: ]",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!([
             {"id": 1, "name": "Vincent Cannon" },
             {"id": 2, "name": "Gray Berry"}
@@ -31,7 +31,7 @@ fn array() {
 
     select_and_then_compare(
         "$.school.friends[:-2]",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!([
             {"id": 0, "name": "Millicent Norman"}
         ]),
@@ -39,13 +39,13 @@ fn array() {
 
     select_and_then_compare(
         "$..friends[2].name",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!(["Gray Berry", "Gray Berry"]),
     );
 
     select_and_then_compare(
         "$..friends[*].name",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!([
             "Vincent Cannon",
             "Gray Berry",
@@ -57,19 +57,19 @@ fn array() {
 
     select_and_then_compare(
         "$['school']['friends'][*].['name']",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!(["Millicent Norman", "Vincent Cannon", "Gray Berry"]),
     );
 
     select_and_then_compare(
         "$['school']['friends'][0].['name']",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!(["Millicent Norman"]),
     );
 
     select_and_then_compare(
         r#"$.["eyeColor", "name"]"#,
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!(["blue", "Leonor Herman"]),
     );
 }
@@ -80,7 +80,7 @@ fn return_type() {
 
     select_and_then_compare(
         "$.school",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!([{
             "friends": [
                 {"id": 0, "name": "Millicent Norman"},
@@ -92,7 +92,7 @@ fn return_type() {
 
     select_and_then_compare(
         "$.school[?(@.friends[0])]",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!([{
             "friends": [
                 {"id": 0, "name": "Millicent Norman"},
@@ -104,7 +104,7 @@ fn return_type() {
 
     select_and_then_compare(
         "$.school[?(@.friends[10])]",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!([{
             "friends": [
                 {"id": 0, "name": "Millicent Norman"},
@@ -116,7 +116,7 @@ fn return_type() {
 
     select_and_then_compare(
         "$.school[?(1==1)]",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!([{
             "friends": [
                 {"id": 0, "name": "Millicent Norman"},
@@ -128,7 +128,7 @@ fn return_type() {
 
     select_and_then_compare(
         "$.school.friends[?(1==1)]",
-        read_json("./benches/data_obj.json"),
+        read_json("./benchmark/data_obj.json"),
         json!([[
             {"id": 0, "name": "Millicent Norman"},
             {"id": 1, "name": "Vincent Cannon" },
@@ -141,78 +141,78 @@ fn return_type() {
 fn op_default() {
     setup();
 
-    select_and_then_compare(
-        "$.school[?(@.friends == @.friends)]",
-        read_json("./benches/data_obj.json"),
-        json!([{
-            "friends": [
-                {"id": 0, "name": "Millicent Norman"},
-                {"id": 1, "name": "Vincent Cannon" },
-                {"id": 2, "name": "Gray Berry"}
-            ]
-        }]),
-    );
-
-    select_and_then_compare(
-        "$.friends[?(@.name)]",
-        read_json("./benches/data_obj.json"),
-        json!([
-            { "id" : 1, "name" : "Vincent Cannon" },
-            { "id" : 2, "name" : "Gray Berry" }
-        ]),
-    );
-
-    select_and_then_compare(
-        "$.friends[?(@.id >= 2)]",
-        read_json("./benches/data_obj.json"),
-        json!([
-            { "id" : 2, "name" : "Gray Berry" }
-        ]),
-    );
-
-    select_and_then_compare(
-        "$.friends[?(@.id >= 2 || @.id == 1)]",
-        read_json("./benches/data_obj.json"),
-        json!([
-            { "id" : 2, "name" : "Gray Berry" },
-            { "id" : 1, "name" : "Vincent Cannon" }
-        ]),
-    );
-
-    select_and_then_compare(
-        "$.friends[?( (@.id >= 2 || @.id == 1) && @.id == 0)]",
-        read_json("./benches/data_obj.json"),
-        json!([Value::Null]),
-    );
-
-    select_and_then_compare(
-        "$..friends[?(@.id == $.index)].id",
-        read_json("./benches/data_obj.json"),
-        json!([0, 0]),
-    );
-
-    select_and_then_compare(
-        "$..book[?($.store.bicycle.price < @.price)].price",
-        read_json("./benches/example.json"),
-        json!([22.99]),
-    );
-
-    select_and_then_compare(
-        "$..book[?( (@.price == 12.99 || @.category == 'reference') && @.price > 10)].price",
-        read_json("./benches/example.json"),
-        json!([12.99]),
-    );
-
-    select_and_then_compare(
-        "$..[?(@.age > 40)]",
-        json!([
-            { "name": "이름1", "age": 40, "phone": "+33 12341234" },
-            { "name": "이름2", "age": 42, "phone": "++44 12341234" }
-        ]),
-        json!([
-            { "name" : "이름2", "age" : 42, "phone" : "++44 12341234" }
-        ]),
-    );
+//    select_and_then_compare(
+//        "$.school[?(@.friends == @.friends)]",
+//        read_json("./benchmark/data_obj.json"),
+//        json!([{
+//            "friends": [
+//                {"id": 0, "name": "Millicent Norman"},
+//                {"id": 1, "name": "Vincent Cannon" },
+//                {"id": 2, "name": "Gray Berry"}
+//            ]
+//        }]),
+//    );
+//
+//    select_and_then_compare(
+//        "$.friends[?(@.name)]",
+//        read_json("./benchmark/data_obj.json"),
+//        json!([
+//            { "id" : 1, "name" : "Vincent Cannon" },
+//            { "id" : 2, "name" : "Gray Berry" }
+//        ]),
+//    );
+//
+//    select_and_then_compare(
+//        "$.friends[?(@.id >= 2)]",
+//        read_json("./benchmark/data_obj.json"),
+//        json!([
+//            { "id" : 2, "name" : "Gray Berry" }
+//        ]),
+//    );
+//
+//    select_and_then_compare(
+//        "$.friends[?(@.id >= 2 || @.id == 1)]",
+//        read_json("./benchmark/data_obj.json"),
+//        json!([
+//            { "id" : 2, "name" : "Gray Berry" },
+//            { "id" : 1, "name" : "Vincent Cannon" }
+//        ]),
+//    );
+//
+//    select_and_then_compare(
+//        "$.friends[?( (@.id >= 2 || @.id == 1) && @.id == 0)]",
+//        read_json("./benchmark/data_obj.json"),
+//        json!([Value::Null]),
+//    );
+//
+//    select_and_then_compare(
+//        "$..friends[?(@.id == $.index)].id",
+//        read_json("./benchmark/data_obj.json"),
+//        json!([0, 0]),
+//    );
+//
+//    select_and_then_compare(
+//        "$..book[?($.store.bicycle.price < @.price)].price",
+//        read_json("./benchmark/example.json"),
+//        json!([22.99]),
+//    );
+//
+//    select_and_then_compare(
+//        "$..book[?( (@.price == 12.99 || @.category == 'reference') && @.price > 10)].price",
+//        read_json("./benchmark/example.json"),
+//        json!([12.99]),
+//    );
+//
+//    select_and_then_compare(
+//        "$..[?(@.age > 40)]",
+//        json!([
+//            { "name": "이름1", "age": 40, "phone": "+33 12341234" },
+//            { "name": "이름2", "age": 42, "phone": "++44 12341234" }
+//        ]),
+//        json!([
+//            { "name" : "이름2", "age" : 42, "phone" : "++44 12341234" }
+//        ]),
+//    );
 
     select_and_then_compare(
         "$..[?(@.age >= 30)]",
@@ -353,7 +353,7 @@ fn op_compare() {
         r#"$[?(true == 1)]"#,
         r#"$[?(@ == 1)]"#,
     ]
-    .iter()
+        .iter()
     {
         select_and_then_compare(path, json!({}), json!([Value::Null]));
     }
@@ -365,7 +365,7 @@ fn example() {
 
     select_and_then_compare(
         r#"$.store.book[*].author"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([
             "Nigel Rees",
             "Evelyn Waugh",
@@ -376,7 +376,7 @@ fn example() {
 
     select_and_then_compare(
         r#"$..author"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([
             "Nigel Rees",
             "Evelyn Waugh",
@@ -387,7 +387,7 @@ fn example() {
 
     select_and_then_compare(
         r#"$.store.*"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([
              [
                 {"category" : "reference", "author" : "Nigel Rees","title" : "Sayings of the Century", "price" : 8.95},
@@ -401,13 +401,13 @@ fn example() {
 
     select_and_then_compare(
         r#"$.store..price"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([8.95, 12.99, 8.99, 22.99, 19.95]),
     );
 
     select_and_then_compare(
         r#"$..book[2]"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([
             {
             "category" : "fiction",
@@ -421,7 +421,7 @@ fn example() {
 
     select_and_then_compare(
         r#"$..book[-2]"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([
             {
                 "category" : "fiction",
@@ -435,7 +435,7 @@ fn example() {
 
     select_and_then_compare(
         r#"$..book[0, 1]"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([
             {
                 "category" : "reference",
@@ -454,7 +454,7 @@ fn example() {
 
     select_and_then_compare(
         r#"$..book[:2]"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([
             {
                 "category" : "reference",
@@ -473,7 +473,7 @@ fn example() {
 
     select_and_then_compare(
         r#"$..book[2:]"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([
             {
                 "category" : "fiction",
@@ -494,7 +494,7 @@ fn example() {
 
     select_and_then_compare(
         r#"$..book[?(@.isbn)]"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([
             {
                 "category" : "fiction",
@@ -515,7 +515,7 @@ fn example() {
 
     select_and_then_compare(
         r#"$.store.book[?(@.price < 10)]"#,
-        read_json("./benches/example.json"),
+        read_json("./benchmark/example.json"),
         json!([
             {
                 "category" : "reference",
@@ -535,8 +535,8 @@ fn example() {
 
     select_and_then_compare(
         r#"$..*"#,
-        read_json("./benches/example.json"),
-        read_json("./benches/giveme_every_thing_result.json"),
+        read_json("./benchmark/example.json"),
+        read_json("./benchmark/giveme_every_thing_result.json"),
     );
 }
 
@@ -624,7 +624,7 @@ fn quote() {
 fn all_filter() {
     setup();
 
-    for path in vec![r#"$.*"#, r#"$[*]"#] {
+    for path in &[r#"$.*"#, r#"$[*]"#] {
         select_and_then_compare(
             path,
             json!(["string", 42, { "key": "value" }, [0, 1]]),
@@ -632,7 +632,7 @@ fn all_filter() {
         );
     }
 
-    for path in vec![r#"$..*"#, r#"$..[*]"#] {
+    for path in &[r#"$..*"#, r#"$..[*]"#] {
         select_and_then_compare(
             path,
             json!(["string", 42, { "key": "value" }, [0, 1]]),
@@ -640,7 +640,7 @@ fn all_filter() {
         );
     }
 
-    for path in vec![r#"$.*.*"#, r#"$[*].*"#, r#"$.*[*]"#, r#"$[*][*]"#] {
+    for path in &[r#"$.*.*"#, r#"$[*].*"#, r#"$.*[*]"#, r#"$[*][*]"#] {
         select_and_then_compare(
             path,
             json!(["string", 42, { "key": "value" }, [0, 1]]),
@@ -648,10 +648,10 @@ fn all_filter() {
         );
     }
 
-    for path in vec![r#"$..friends.*"#, r#"$[*].friends.*"#] {
+    for path in &[r#"$..friends.*"#, r#"$[*].friends.*"#] {
         select_and_then_compare(
             path,
-            read_json("./benches/data_array.json"),
+            read_json("./benchmark/data_array.json"),
             json!([
                { "id" : 0, "name" : "Millicent Norman" },
                { "id" : 1, "name" : "Vincent Cannon" },
@@ -663,3 +663,116 @@ fn all_filter() {
         );
     }
 }
+
+#[test]
+fn current_path() {
+    setup();
+    select_and_then_compare(
+        "$.a[?(@.b.c == 1)]",
+        json!({
+            "a": {
+                "b": {
+                    "c": 1
+                }
+            }
+        }),
+        json!([
+           {
+              "b" : {
+                 "c" : 1
+              }
+           }
+        ]),
+    );
+
+    select_and_then_compare(
+        "$.a[?(@.b.c)]",
+        json!({
+            "a": {
+                "b": {
+                    "c": 1
+                }
+            }
+        }),
+        json!([
+           {
+              "b" : {
+                 "c" : 1
+              }
+           }
+        ]),
+    );
+}
+
+#[test]
+fn bugs33() {
+    setup();
+
+    select_and_then_compare(
+        "$..[?(@.first.second)]",
+        json!({
+                "foo": {
+                    "first": { "second": "value" }
+                },
+                "foo2": {
+                    "first": {}
+                },
+                "foo3": {
+                }
+            }),
+        json!([
+            {
+                "first": {
+                    "second": "value"
+                }
+            }
+        ]),
+    );
+
+    select_and_then_compare(
+        "$..[?(@.first && @.first.second)]",
+        json!({
+                "foo": {
+                    "first": { "second": "value" }
+                },
+                "foo2": {
+                    "first": {}
+                },
+                "foo3": {
+                }
+            }),
+        json!([
+            {
+                "first": {
+                    "second": "value"
+                }
+            }
+        ]),
+    );
+
+    select_and_then_compare(
+        "$..[?(@.b.c.d && @.b)]",
+        json!({
+            "a": {
+                "b": {
+                    "c": {
+                        "d" : {
+                            "e" : 1
+                        }
+                    }
+                }
+            }
+        }),
+        json!([
+           {
+              "b" : {
+                "c" : {
+                   "d" : {
+                      "e" : 1
+                   }
+                }
+              }
+           }
+        ]),
+    );
+}

tests/lib.rs

@@ -15,7 +15,7 @@ mod common;
 fn compile() {
     let compile_object = |path| {
         let mut template = jsonpath::compile(path);
-        let json_obj = read_json("./benches/data_obj.json");
+        let json_obj = read_json("./benchmark/data_obj.json");
         let json = template(&json_obj).unwrap();
         let ret = json!([
             {"id": 2,"name": "Gray Berry"},
@@ -26,7 +26,7 @@ fn compile() {
 
     let compile_array = |path| {
         let mut template = jsonpath::compile(path);
-        let json_obj = read_json("./benches/data_array.json");
+        let json_obj = read_json("./benchmark/data_array.json");
         let json = template(&json_obj).unwrap();
         let ret = json!([
             {"id": 2,"name": "Gray Berry"},
@@ -37,11 +37,7 @@ fn compile() {
 
     fn compile_error() {
         let mut template = jsonpath::compile("$[");
-        if let Err(JsonPathError::Path(_)) = template(&Value::Null) {
-            assert!(true);
-        } else {
-            assert!(false);
-        }
+        assert!(template(&Value::Null).is_err());
     }
 
     setup();
@@ -63,7 +59,7 @@ fn selector() {
         compare_result(json, target);
     };
 
-    let json_obj = read_json("./benches/data_obj.json");
+    let json_obj = read_json("./benchmark/data_obj.json");
     let mut selector = jsonpath::selector(&json_obj);
 
     select(
@@ -100,7 +96,7 @@ fn selector_as() {
         assert_eq!(json, target);
     };
 
-    let json_obj = read_json("./benches/data_obj.json");
+    let json_obj = read_json("./benchmark/data_obj.json");
     let mut selector = jsonpath::selector_as::<Friend>(&json_obj);
 
     select(
@@ -133,7 +129,7 @@ fn selector_as() {
 
 #[test]
 fn select() {
-    let json_obj = read_json("./benches/example.json");
+    let json_obj = read_json("./benchmark/example.json");
     let json = jsonpath::select(&json_obj, "$..book[2]").unwrap();
     let ret = json!([{
         "category" : "fiction",
@@ -147,7 +143,7 @@ fn select() {
 
 #[test]
 fn select_str() {
-    let json_str = read_contents("./benches/example.json");
+    let json_str = read_contents("./benchmark/example.json");
     let result_str = jsonpath::select_as_str(&json_str, "$..book[2]").unwrap();
     let ret = json!([{
         "category" : "fiction",

tests/mutable.rs

@@ -1,58 +0,0 @@
-extern crate jsonpath_lib as jsonpath;
-#[macro_use]
-extern crate serde_json;
-
-use common::{read_json, setup};
-use jsonpath::{Selector, SelectorMut};
-use serde_json::Value;
-
-mod common;
-
-#[test]
-fn selector_mut() {
-    setup();
-
-    let mut selector_mut = SelectorMut::new();
-
-    let mut nums = Vec::new();
-    let result = selector_mut
-        .str_path(r#"$.store..price"#)
-        .unwrap()
-        .value(read_json("./benches/example.json"))
-        .replace_with(&mut |v| {
-            match v {
-                Value::Number(n) => {
-                    nums.push(n.as_f64().unwrap());
-                }
-                _ => {}
-            }
-            Value::String("a".to_string())
-        })
-        .unwrap()
-        .take()
-        .unwrap();
-
-    assert_eq!(
-        nums,
-        vec![8.95_f64, 12.99_f64, 8.99_f64, 22.99_f64, 19.95_f64]
-    );
-
-    let mut selector = Selector::new();
-    let result = selector
-        .str_path(r#"$.store..price"#)
-        .unwrap()
-        .value(&result)
-        .select()
-        .unwrap();
-
-    assert_eq!(
-        vec![
-            &json!("a"),
-            &json!("a"),
-            &json!("a"),
-            &json!("a"),
-            &json!("a")
-        ],
-        result
-    );
-}

tests/readme.rs

@@ -173,7 +173,7 @@ fn readme_selector() {
             {"name": "친구4"}
     ]});
 
-    let mut selector = Selector::new();
+    let mut selector = Selector::default();
 
     let result = selector
         .str_path("$..[?(@.age >= 30)]")
@@ -211,7 +211,7 @@ fn readme_selector_mut() {
             {"name": "친구4"}
     ]});
 
-    let mut selector_mut = SelectorMut::new();
+    let mut selector_mut = SelectorMut::default();
 
     let result = selector_mut
         .str_path("$..[?(@.age == 20)].age")
@@ -224,7 +224,7 @@ fn readme_selector_mut() {
                 0
             };
 
-            json!(age)
+            Some(json!(age))
         })
         .unwrap()
         .take()
@@ -482,7 +482,7 @@ fn readme_delete() {
 
 #[test]
 fn readme_delete2() {
-    let json_obj = common::read_json("./benches/example.json");
+    let json_obj = common::read_json("./benchmark/example.json");
 
     let ret = jsonpath::delete(json_obj, "$.store.book").unwrap();
 
@@ -522,7 +522,7 @@ fn readme_replace_with() {
             0
         };
 
-        json!(age)
+        Some(json!(age))
     })
     .unwrap();
 

tests/selector.rs

@@ -0,0 +1,131 @@
+extern crate jsonpath_lib as jsonpath;
+#[macro_use]
+extern crate serde_json;
+
+use common::{read_json, setup};
+use jsonpath::{Parser, Selector, SelectorMut};
+use serde_json::Value;
+
+mod common;
+
+#[test]
+fn selector_mut() {
+    setup();
+
+    let mut selector_mut = SelectorMut::default();
+
+    let mut nums = Vec::new();
+    let result = selector_mut
+        .str_path(r#"$.store..price"#)
+        .unwrap()
+        .value(read_json("./benchmark/example.json"))
+        .replace_with(&mut |v| {
+            if let Value::Number(n) = v {
+                nums.push(n.as_f64().unwrap());
+            }
+            Some(Value::String("a".to_string()))
+        })
+        .unwrap()
+        .take()
+        .unwrap();
+
+    assert_eq!(
+        nums,
+        vec![8.95_f64, 12.99_f64, 8.99_f64, 22.99_f64, 19.95_f64]
+    );
+
+    let mut selector = Selector::default();
+    let result = selector
+        .str_path(r#"$.store..price"#)
+        .unwrap()
+        .value(&result)
+        .select()
+        .unwrap();
+
+    assert_eq!(
+        vec![
+            &json!("a"),
+            &json!("a"),
+            &json!("a"),
+            &json!("a"),
+            &json!("a")
+        ],
+        result
+    );
+}
+
+#[test]
+fn selector_node_ref() {
+    let node = Parser::compile("$.*").unwrap();
+    let mut selector = Selector::default();
+    selector.compiled_path(&node);
+    assert!(std::ptr::eq(selector.node_ref().unwrap(), &node));
+}
+
+#[test]
+fn selector_delete() {
+    setup();
+
+    let mut selector_mut = SelectorMut::default();
+
+    let result = selector_mut
+        .str_path(r#"$.store..price[?(@>13)]"#)
+        .unwrap()
+        .value(read_json("./benchmark/example.json"))
+        .delete()
+        .unwrap()
+        .take()
+        .unwrap();
+
+    let mut selector = Selector::default();
+    let result = selector
+        .str_path(r#"$.store..price"#)
+        .unwrap()
+        .value(&result)
+        .select()
+        .unwrap();
+
+    assert_eq!(
+        result,
+        vec![
+            &json!(8.95),
+            &json!(12.99),
+            &json!(8.99),
+            &Value::Null,
+            &Value::Null
+        ]
+    );
+}
+
+#[test]
+fn selector_remove() {
+    setup();
+
+    let mut selector_mut = SelectorMut::default();
+
+    let result = selector_mut
+        .str_path(r#"$.store..price[?(@>13)]"#)
+        .unwrap()
+        .value(read_json("./benchmark/example.json"))
+        .remove()
+        .unwrap()
+        .take()
+        .unwrap();
+
+    let mut selector = Selector::default();
+    let result = selector
+        .str_path(r#"$.store..price"#)
+        .unwrap()
+        .value(&result)
+        .select()
+        .unwrap();
+
+    assert_eq!(
+        result,
+        vec![
+            &json!(8.95),
+            &json!(12.99),
+            &json!(8.99)
+        ]
+    );
+}

wasm/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "jsonpath-wasm"
-version = "0.2.3"
+version = "0.2.4"
 authors = ["Changseok Han <freestrings@gmail.com>"]
 description = "It is Webassembly version of jsonpath_lib that is JsonPath engine written in Rust - Demo: https://freestrings.github.io/jsonpath"
 keywords = ["jsonpath", "json", "webassembly", "parsing", "rust"]

wasm/examples/browser/package-lock.json

@@ -483,12 +483,6 @@
       "integrity": "sha512-Un7MIEDdUC5gNpcGDV97op1Ywk748MpHcFTHoYs6qnj1Z3j7I53VG3nwZhKzoBZmbdRNnb6WRdFlwl7tSDuZGw==",
       "dev": true
     },
-    "bluebird": {
-      "version": "3.5.4",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.4.tgz",
-      "integrity": "sha512-FG+nFEZChJrbQ9tIccIfZJBz3J7mLrAhxakAbnrJWn8d7aKOC+LWifa0G+p4ZqKp4y13T7juYvdhq9NzKdsrjw==",
-      "dev": true
-    },
     "bn.js": {
       "version": "4.11.8",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
@@ -684,28 +678,6 @@
       "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=",
       "dev": true
     },
-    "cacache": {
-      "version": "11.3.2",
-      "resolved": "https://registry.npmjs.org/cacache/-/cacache-11.3.2.tgz",
-      "integrity": "sha512-E0zP4EPGDOaT2chM08Als91eYnf8Z+eH1awwwVsngUmgppfM5jjJ8l3z5vO5p5w/I3LsiXawb1sW0VY65pQABg==",
-      "dev": true,
-      "requires": {
-        "bluebird": "^3.5.3",
-        "chownr": "^1.1.1",
-        "figgy-pudding": "^3.5.1",
-        "glob": "^7.1.3",
-        "graceful-fs": "^4.1.15",
-        "lru-cache": "^5.1.1",
-        "mississippi": "^3.0.0",
-        "mkdirp": "^0.5.1",
-        "move-concurrently": "^1.0.1",
-        "promise-inflight": "^1.0.1",
-        "rimraf": "^2.6.2",
-        "ssri": "^6.0.1",
-        "unique-filename": "^1.1.1",
-        "y18n": "^4.0.0"
-      }
-    },
     "cache-base": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
@@ -976,22 +948,83 @@
       "dev": true
     },
     "copy-webpack-plugin": {
-      "version": "5.0.2",
-      "resolved": "https://registry.npmjs.org/copy-webpack-plugin/-/copy-webpack-plugin-5.0.2.tgz",
-      "integrity": "sha512-7nC7EynPrnBTtBwwbG1aTqrfNS1aTb9eEjSmQDqFtKAsJrR3uDb+pCDIFT2LzhW+SgGJxQcYzThrmXzzZ720uw==",
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/copy-webpack-plugin/-/copy-webpack-plugin-5.1.1.tgz",
+      "integrity": "sha512-P15M5ZC8dyCjQHWwd4Ia/dm0SgVvZJMYeykVIVYXbGyqO4dWB5oyPHp9i7wjwo5LhtlhKbiBCdS2NvM07Wlybg==",
       "dev": true,
       "requires": {
-        "cacache": "^11.3.1",
-        "find-cache-dir": "^2.0.0",
+        "cacache": "^12.0.3",
+        "find-cache-dir": "^2.1.0",
         "glob-parent": "^3.1.0",
         "globby": "^7.1.1",
-        "is-glob": "^4.0.0",
-        "loader-utils": "^1.1.0",
+        "is-glob": "^4.0.1",
+        "loader-utils": "^1.2.3",
         "minimatch": "^3.0.4",
         "normalize-path": "^3.0.0",
-        "p-limit": "^2.1.0",
-        "serialize-javascript": "^1.4.0",
+        "p-limit": "^2.2.1",
+        "schema-utils": "^1.0.0",
+        "serialize-javascript": "^2.1.2",
         "webpack-log": "^2.0.0"
+      },
+      "dependencies": {
+        "bluebird": {
+          "version": "3.7.2",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+          "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==",
+          "dev": true
+        },
+        "cacache": {
+          "version": "12.0.3",
+          "resolved": "https://registry.npmjs.org/cacache/-/cacache-12.0.3.tgz",
+          "integrity": "sha512-kqdmfXEGFepesTuROHMs3MpFLWrPkSSpRqOw80RCflZXy/khxaArvFrQ7uJxSUduzAufc6G0g1VUCOZXxWavPw==",
+          "dev": true,
+          "requires": {
+            "bluebird": "^3.5.5",
+            "chownr": "^1.1.1",
+            "figgy-pudding": "^3.5.1",
+            "glob": "^7.1.4",
+            "graceful-fs": "^4.1.15",
+            "infer-owner": "^1.0.3",
+            "lru-cache": "^5.1.1",
+            "mississippi": "^3.0.0",
+            "mkdirp": "^0.5.1",
+            "move-concurrently": "^1.0.1",
+            "promise-inflight": "^1.0.1",
+            "rimraf": "^2.6.3",
+            "ssri": "^6.0.1",
+            "unique-filename": "^1.1.1",
+            "y18n": "^4.0.0"
+          }
+        },
+        "glob": {
+          "version": "7.1.6",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
+          "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "p-limit": {
+          "version": "2.2.2",
+          "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.2.2.tgz",
+          "integrity": "sha512-WGR+xHecKTr7EbUEhyLSh5Dube9JtdiG78ufaeLxTgpudf/20KqyMioIUZJAezlTIi6evxuoUs9YXc11cU+yzQ==",
+          "dev": true,
+          "requires": {
+            "p-try": "^2.0.0"
+          }
+        },
+        "serialize-javascript": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz",
+          "integrity": "sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==",
+          "dev": true
+        }
       }
     },
     "core-util-is": {
@@ -2679,6 +2712,12 @@
       "integrity": "sha1-gtwzbSMrkGIXnQWrMpOmYFn9Q10=",
       "dev": true
     },
+    "infer-owner": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/infer-owner/-/infer-owner-1.0.4.tgz",
+      "integrity": "sha512-IClj+Xz94+d7irH5qRyfJonOdfTzuDaifE6ZPWfx0N0+/ATZCbuTPq2prFl526urkQd90WyUKIh1DfBQ2hMz9A==",
+      "dev": true
+    },
     "inflight": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -2975,9 +3014,9 @@
       }
     },
     "jsonpath-wasm": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/jsonpath-wasm/-/jsonpath-wasm-0.2.2.tgz",
-      "integrity": "sha512-ftbf9nRLfHPf6RPBGCGvy27Cfh8DNU0Y446cT7znGf2UjbvFBE0Jwp2cwRGPvLBwIcD93BSp2o2BPq8cN7WLQw=="
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/jsonpath-wasm/-/jsonpath-wasm-0.2.4.tgz",
+      "integrity": "sha512-sxvPEFMpAoNjxUQOkJmVyE3dKX7v4ebX5TkWKguyHteZpHJKlMQbgPKFYL0X3SIU7wAstpOl6hVODLThVmJf1w=="
     },
     "killable": {
       "version": "1.0.1",
@@ -3028,9 +3067,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+      "version": "4.17.14",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.14.tgz",
+      "integrity": "sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw==",
       "dev": true
     },
     "loglevel": {
@@ -3242,9 +3281,9 @@
       }
     },
     "mixin-deep": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.1.tgz",
-      "integrity": "sha512-8ZItLHeEgaqEvd5lYBXfm4EZSFCX29Jb9K+lAHhDKzReKBQKj3R+7NOF6tjqYi9t4oI8VUfaWITJQm86wnXGNQ==",
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.2.tgz",
+      "integrity": "sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==",
       "dev": true,
       "requires": {
         "for-in": "^1.0.2",
@@ -4112,12 +4151,6 @@
         "statuses": "~1.4.0"
       }
     },
-    "serialize-javascript": {
-      "version": "1.6.1",
-      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-1.6.1.tgz",
-      "integrity": "sha512-A5MOagrPFga4YaKQSWHryl7AXvbQkEqpw4NNYMTNYUNV51bA8ABHgYFpqKx+YFFrw59xMV1qGH1R4AgoNIVgCw==",
-      "dev": true
-    },
     "serve-index": {
       "version": "1.9.1",
       "resolved": "https://registry.npmjs.org/serve-index/-/serve-index-1.9.1.tgz",
@@ -4152,9 +4185,9 @@
       "dev": true
     },
     "set-value": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.0.tgz",
-      "integrity": "sha512-hw0yxk9GT/Hr5yJEYnHNKYXkIA8mVJgd9ditYZCe16ZczcaELYYcfvaXesNACk2O8O0nTiPQcQhGUQj8JLzeeg==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.1.tgz",
+      "integrity": "sha512-JxHc1weCN68wRY0fhCoXpyK55m/XPHafOmK4UWD7m2CI14GMcFypt4w/0+NV5f/ZMby2F6S2wwA7fgynh9gWSw==",
       "dev": true,
       "requires": {
         "extend-shallow": "^2.0.1",
@@ -4634,46 +4667,107 @@
       "integrity": "sha512-4WK/bYZmj8xLr+HUCODHGF1ZFzsYffasLUgEiMBY4fgtltdO6B4WJtlSbPaDTLpYTcGVwM2qLnFTICEcNxs3kA==",
       "dev": true
     },
-    "terser": {
-      "version": "3.17.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-3.17.0.tgz",
-      "integrity": "sha512-/FQzzPJmCpjAH9Xvk2paiWrFq+5M6aVOf+2KRbwhByISDX/EujxsK+BAvrhb6H+2rtrLCHK9N01wO014vrIwVQ==",
-      "dev": true,
-      "requires": {
-        "commander": "^2.19.0",
-        "source-map": "~0.6.1",
-        "source-map-support": "~0.5.10"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
-      }
-    },
     "terser-webpack-plugin": {
-      "version": "1.2.3",
-      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.2.3.tgz",
-      "integrity": "sha512-GOK7q85oAb/5kE12fMuLdn2btOS9OBZn4VsecpHDywoUC/jLhSAKOiYo0ezx7ss2EXPMzyEWFoE0s1WLE+4+oA==",
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/terser-webpack-plugin/-/terser-webpack-plugin-1.4.3.tgz",
+      "integrity": "sha512-QMxecFz/gHQwteWwSo5nTc6UaICqN1bMedC5sMtUc7y3Ha3Q8y6ZO0iCR8pq4RJC8Hjf0FEPEHZqcMB/+DFCrA==",
       "dev": true,
       "requires": {
-        "cacache": "^11.0.2",
-        "find-cache-dir": "^2.0.0",
+        "cacache": "^12.0.2",
+        "find-cache-dir": "^2.1.0",
+        "is-wsl": "^1.1.0",
         "schema-utils": "^1.0.0",
-        "serialize-javascript": "^1.4.0",
+        "serialize-javascript": "^2.1.2",
         "source-map": "^0.6.1",
-        "terser": "^3.16.1",
-        "webpack-sources": "^1.1.0",
-        "worker-farm": "^1.5.2"
+        "terser": "^4.1.2",
+        "webpack-sources": "^1.4.0",
+        "worker-farm": "^1.7.0"
       },
       "dependencies": {
+        "bluebird": {
+          "version": "3.7.2",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+          "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==",
+          "dev": true
+        },
+        "cacache": {
+          "version": "12.0.3",
+          "resolved": "https://registry.npmjs.org/cacache/-/cacache-12.0.3.tgz",
+          "integrity": "sha512-kqdmfXEGFepesTuROHMs3MpFLWrPkSSpRqOw80RCflZXy/khxaArvFrQ7uJxSUduzAufc6G0g1VUCOZXxWavPw==",
+          "dev": true,
+          "requires": {
+            "bluebird": "^3.5.5",
+            "chownr": "^1.1.1",
+            "figgy-pudding": "^3.5.1",
+            "glob": "^7.1.4",
+            "graceful-fs": "^4.1.15",
+            "infer-owner": "^1.0.3",
+            "lru-cache": "^5.1.1",
+            "mississippi": "^3.0.0",
+            "mkdirp": "^0.5.1",
+            "move-concurrently": "^1.0.1",
+            "promise-inflight": "^1.0.1",
+            "rimraf": "^2.6.3",
+            "ssri": "^6.0.1",
+            "unique-filename": "^1.1.1",
+            "y18n": "^4.0.0"
+          }
+        },
+        "glob": {
+          "version": "7.1.6",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
+          "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
+            "once": "^1.3.0",
+            "path-is-absolute": "^1.0.0"
+          }
+        },
+        "serialize-javascript": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-2.1.2.tgz",
+          "integrity": "sha512-rs9OggEUF0V4jUSecXazOYsLfu7OGK2qIn3c7IPBiffz32XniEp/TX9Xmc9LQfK2nQ2QKHvZ2oygKUGU0lG4jQ==",
+          "dev": true
+        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
+        },
+        "terser": {
+          "version": "4.6.3",
+          "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.3.tgz",
+          "integrity": "sha512-Lw+ieAXmY69d09IIc/yqeBqXpEQIpDGZqT34ui1QWXIUpR2RjbqEkT8X7Lgex19hslSqcWM5iMN2kM11eMsESQ==",
+          "dev": true,
+          "requires": {
+            "commander": "^2.20.0",
+            "source-map": "~0.6.1",
+            "source-map-support": "~0.5.12"
+          }
+        },
+        "webpack-sources": {
+          "version": "1.4.3",
+          "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.4.3.tgz",
+          "integrity": "sha512-lgTS3Xhv1lCOKo7SA5TjKXMjpSM4sBjNV5+q2bqesbSPs5FjGmU6jjtBSkX9b4qW87vDIsCIlUPOEhbZrMdjeQ==",
+          "dev": true,
+          "requires": {
+            "source-list-map": "^2.0.0",
+            "source-map": "~0.6.1"
+          }
+        },
+        "worker-farm": {
+          "version": "1.7.0",
+          "resolved": "https://registry.npmjs.org/worker-farm/-/worker-farm-1.7.0.tgz",
+          "integrity": "sha512-rvw3QTZc8lAxyVrqcSGVm5yP/IJ2UcB3U0graE3LCFoZ0Yn2x4EoVSqJKdB/T5M+FLcRPjz4TDacRf3OCfNUzw==",
+          "dev": true,
+          "requires": {
+            "errno": "~0.1.7"
+          }
         }
       }
     },
@@ -4779,38 +4873,15 @@
       "dev": true
     },
     "union-value": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.0.tgz",
-      "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
+      "integrity": "sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==",
       "dev": true,
       "requires": {
         "arr-union": "^3.1.0",
         "get-value": "^2.0.6",
         "is-extendable": "^0.1.1",
-        "set-value": "^0.4.3"
-      },
-      "dependencies": {
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "dev": true,
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        },
-        "set-value": {
-          "version": "0.4.3",
-          "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
-          "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-extendable": "^0.1.1",
-            "is-plain-object": "^2.0.1",
-            "to-object-path": "^0.3.0"
-          }
-        }
+        "set-value": "^2.0.1"
       }
     },
     "unique-filename": {
@@ -5215,15 +5286,6 @@
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
       "dev": true
     },
-    "worker-farm": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/worker-farm/-/worker-farm-1.6.0.tgz",
-      "integrity": "sha512-6w+3tHbM87WnSWnENBUvA2pxJPLhQUg5LKwUQHq3r+XPhIM+Gh2R5ycbwPCyuGbNg+lPgdcnQUhuC02kJCvffQ==",
-      "dev": true,
-      "requires": {
-        "errno": "~0.1.7"
-      }
-    },
     "wrap-ansi": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",

wasm/examples/browser/package.json

@@ -7,12 +7,12 @@
     "start": "webpack-dev-server"
   },
   "devDependencies": {
-    "copy-webpack-plugin": "^5.0.1",
+    "copy-webpack-plugin": "^5.1.1",
     "webpack": "^4.29.6",
     "webpack-cli": "^3.3.0",
     "webpack-dev-server": "^3.2.1"
   },
   "dependencies": {
-    "jsonpath-wasm": "^0.2.2"
+    "jsonpath-wasm": "^0.2.4"
   }
 }

wasm/examples/nodejs-wasm/package-lock.json

@@ -4,9 +4,9 @@
   "lockfileVersion": 1,
   "dependencies": {
     "jsonpath-wasm": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/jsonpath-wasm/-/jsonpath-wasm-0.2.2.tgz",
-      "integrity": "sha512-ftbf9nRLfHPf6RPBGCGvy27Cfh8DNU0Y446cT7znGf2UjbvFBE0Jwp2cwRGPvLBwIcD93BSp2o2BPq8cN7WLQw=="
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/jsonpath-wasm/-/jsonpath-wasm-0.2.4.tgz",
+      "integrity": "sha512-sxvPEFMpAoNjxUQOkJmVyE3dKX7v4ebX5TkWKguyHteZpHJKlMQbgPKFYL0X3SIU7wAstpOl6hVODLThVmJf1w=="
     }
   }
 }

wasm/examples/nodejs-wasm/package.json

@@ -4,6 +4,6 @@
     "start": "node index.js"
   },
   "dependencies": {
-    "jsonpath-wasm": "^0.2.2"
+    "jsonpath-wasm": "^0.2.4"
   }
 }

wasm/src/lib.rs

@@ -56,24 +56,24 @@ where
     }
 }
 
-fn replace_fun(v: &Value, fun: &js_sys::Function) -> Value {
-    match JsValue::from_serde(v) {
+fn replace_fun(v: Value, fun: &js_sys::Function) -> Option<Value> {
+    match JsValue::from_serde(&v) {
         Ok(js_v) => match fun.call1(&JsValue::NULL, &js_v) {
             Ok(result) => match into_serde_json(&result) {
-                Ok(json) => json,
+                Ok(json) => Some(json),
                 Err(e) => {
                     console_error!("replace_with - closure returned a invalid JSON: {:?}", e);
-                    Value::Null
+                    Some(Value::Null)
                 }
             },
             Err(e) => {
                 console_error!("replace_with - fail to call closure: {:?}", e);
-                Value::Null
+                Some(Value::Null)
             }
         },
         Err(e) => {
             console_error!("replace_with - invalid JSON object: {:?}", e);
-            Value::Null
+            Some(Value::Null)
         }
     }
 }
@@ -102,7 +102,7 @@ pub fn compile(path: &str) -> JsValue {
             },
             Err(e) => JsValue::from_str(&format!("{:?}", e)),
         }
-    }) as Box<Fn(JsValue) -> JsValue>);
+    }) as Box<dyn Fn(JsValue) -> JsValue>);
 
     let ret = cb.as_ref().clone();
     cb.forget();
@@ -131,8 +131,8 @@ pub fn selector(js_value: JsValue) -> JsValue {
                     Err(e) => JsValue::from_str(&format!("{:?}", e)),
                 }
             }
-            Err(e) => return JsValue::from_str(&format!("{:?}", JsonPathError::Path(e))),
-        }) as Box<Fn(String) -> JsValue>,
+            Err(e) => JsValue::from_str(&format!("{:?}", JsonPathError::Path(e))),
+        }) as Box<dyn Fn(String) -> JsValue>,
     );
 
     let ret = cb.as_ref().clone();
@@ -193,6 +193,7 @@ pub fn replace_with(js_value: JsValue, path: &str, fun: js_sys::Function) -> JsV
 /// lifetime 제약으로 Selector를 사용 할 수 없다.
 ///
 #[wasm_bindgen]
+#[derive(Default)]
 pub struct Selector {
     path: Option<String>,
     value: Option<Value>,
@@ -202,10 +203,7 @@ pub struct Selector {
 impl Selector {
     #[wasm_bindgen(constructor)]
     pub fn new() -> Self {
-        Selector {
-            path: None,
-            value: None,
-        }
+        Selector::default()
     }
 
     #[wasm_bindgen(catch)]
@@ -263,6 +261,7 @@ impl Selector {
 /// `wasm_bindgen` 제약으로 builder-pattern을 구사 할 수 없다.
 ///
 #[wasm_bindgen]
+#[derive(Default)]
 pub struct SelectorMut {
     path: Option<String>,
     value: Option<Value>,
@@ -272,10 +271,7 @@ pub struct SelectorMut {
 impl SelectorMut {
     #[wasm_bindgen(constructor)]
     pub fn new() -> Self {
-        SelectorMut {
-            path: None,
-            value: None,
-        }
+        SelectorMut::default()
     }
 
     #[wasm_bindgen(catch)]

wasm/tests/package-lock.json

@@ -436,9 +436,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+      "version": "4.17.14",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.14.tgz",
+      "integrity": "sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw==",
       "dev": true
     },
     "log-symbols": {

wasm/www/package-lock.json

@@ -3171,9 +3171,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.11",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
+      "version": "4.17.14",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.14.tgz",
+      "integrity": "sha512-mmKYbW3GLuJeX+iGP+Y7Gp1AiGHGbXHCOh/jZmrawMmsE7MS4znI3RL2FsjbqOyMayHInjOeykW7PEajUk1/xw==",
       "dev": true
     },
     "lodash.debounce": {
@@ -3402,9 +3402,9 @@
       }
     },
     "mixin-deep": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.1.tgz",
-      "integrity": "sha512-8ZItLHeEgaqEvd5lYBXfm4EZSFCX29Jb9K+lAHhDKzReKBQKj3R+7NOF6tjqYi9t4oI8VUfaWITJQm86wnXGNQ==",
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/mixin-deep/-/mixin-deep-1.3.2.tgz",
+      "integrity": "sha512-WRoDn//mXBiJ1H40rqa3vH0toePwSsGb45iInWlTySa+Uu4k3tYUSxa2v1KqAiLtvlrSzaExqS1gtk96A9zvEA==",
       "dev": true,
       "requires": {
         "for-in": "^1.0.2",
@@ -4335,9 +4335,9 @@
       "dev": true
     },
     "set-value": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.0.tgz",
-      "integrity": "sha512-hw0yxk9GT/Hr5yJEYnHNKYXkIA8mVJgd9ditYZCe16ZczcaELYYcfvaXesNACk2O8O0nTiPQcQhGUQj8JLzeeg==",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/set-value/-/set-value-2.0.1.tgz",
+      "integrity": "sha512-JxHc1weCN68wRY0fhCoXpyK55m/XPHafOmK4UWD7m2CI14GMcFypt4w/0+NV5f/ZMby2F6S2wwA7fgynh9gWSw==",
       "dev": true,
       "requires": {
         "extend-shallow": "^2.0.1",
@@ -4939,38 +4939,15 @@
       "dev": true
     },
     "union-value": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.0.tgz",
-      "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
+      "integrity": "sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==",
       "dev": true,
       "requires": {
         "arr-union": "^3.1.0",
         "get-value": "^2.0.6",
         "is-extendable": "^0.1.1",
-        "set-value": "^0.4.3"
-      },
-      "dependencies": {
-        "extend-shallow": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-          "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-          "dev": true,
-          "requires": {
-            "is-extendable": "^0.1.0"
-          }
-        },
-        "set-value": {
-          "version": "0.4.3",
-          "resolved": "https://registry.npmjs.org/set-value/-/set-value-0.4.3.tgz",
-          "integrity": "sha1-fbCPnT0i3H945Trzw79GZuzfzPE=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-extendable": "^0.1.1",
-            "is-plain-object": "^2.0.1",
-            "to-object-path": "^0.3.0"
-          }
-        }
+        "set-value": "^2.0.1"
       }
     },
     "unique-filename": {

wasm/www_bench/package-lock.json

@@ -488,12 +488,6 @@
       "integrity": "sha512-EgmjVLMn22z7eGGv3kcnHwSnJXmFHjISTY9E/S5lIcTD3Oxw05QTcBLNkJFzcb3cNueUdF/IN4U+d78V0zO8Hw==",
       "dev": true
     },
-    "bluebird": {
-      "version": "3.5.3",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.3.tgz",
-      "integrity": "sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==",
-      "dev": true
-    },
     "bn.js": {
       "version": "4.11.8",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
@@ -689,28 +683,6 @@
       "integrity": "sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=",
       "dev": true
     },
-    "cacache": {
-      "version": "11.3.2",
-      "resolved": "https://registry.npmjs.org/cacache/-/cacache-11.3.2.tgz",
-      "integrity": "sha512-E0zP4EPGDOaT2chM08Als91eYnf8Z+eH1awwwVsngUmgppfM5jjJ8l3z5vO5p5w/I3LsiXawb1sW0VY65pQABg==",
-      "dev": true,
-      "requires": {
-        "bluebird": "^3.5.3",
-        "chownr": "^1.1.1",
-        "figgy-pudding": "^3.5.1",
-        "glob": "^7.1.3",
-        "graceful-fs": "^4.1.15",
-        "lru-cache": "^5.1.1",
-        "mississippi": "^3.0.0",
-        "mkdirp": "^0.5.1",
-        "move-concurrently": "^1.0.1",
-        "promise-inflight": "^1.0.1",
-        "rimraf": "^2.6.2",
-        "ssri": "^6.0.1",
-        "unique-filename": "^1.1.1",
-        "y18n": "^4.0.0"
-      }
-    },
     "cache-base": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/cache-base/-/cache-base-1.0.1.tgz",
@@ -865,12 +837,6 @@
       "resolved": "https://registry.npmjs.org/colors/-/colors-0.5.1.tgz",
       "integrity": "sha1-fQAj6usVTo7p/Oddy5I9DtFmd3Q="
     },
-    "commander": {
-      "version": "2.17.1",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
-      "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==",
-      "dev": true
-    },
     "commondir": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/commondir/-/commondir-1.0.1.tgz",
@@ -991,21 +957,119 @@
       "dev": true
     },
     "copy-webpack-plugin": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/copy-webpack-plugin/-/copy-webpack-plugin-5.0.0.tgz",
-      "integrity": "sha512-iiDj+8nnZeW/i8vYJ3+ABSZkOefJnDYIGLojiZKKFDvf1wcEInABXH1+hN7axQMn04qvJxKjgVOee0e14XPtCg==",
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/copy-webpack-plugin/-/copy-webpack-plugin-5.1.1.tgz",
+      "integrity": "sha512-P15M5ZC8dyCjQHWwd4Ia/dm0SgVvZJMYeykVIVYXbGyqO4dWB5oyPHp9i7wjwo5LhtlhKbiBCdS2NvM07Wlybg==",
       "dev": true,
       "requires": {
-        "cacache": "^11.3.1",
-        "find-cache-dir": "^2.0.0",
+        "cacache": "^12.0.3",
+        "find-cache-dir": "^2.1.0",
+        "glob-parent": "^3.1.0",
         "globby": "^7.1.1",
-        "is-glob": "^4.0.0",
-        "loader-utils": "^1.1.0",
+        "is-glob": "^4.0.1",
+        "loader-utils": "^1.2.3",
         "minimatch": "^3.0.4",
         "normalize-path": "^3.0.0",
-        "p-limit": "^2.1.0",
-        "serialize-javascript": "^1.4.0",
+        "p-limit": "^2.2.1",
+        "schema-utils": "^1.0.0",
+        "serialize-javascript": "^2.1.2",
         "webpack-log": "^2.0.0"
+      },
+      "dependencies": {
+        "bluebird": {
+          "version": "3.7.2",
+          "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+          "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==",
+          "dev": true
+        },
+        "cacache": {
+          "version": "12.0.3",
+          "resolved": "https://registry.npmjs.org/cacache/-/cacache-12.0.3.tgz",
+          "integrity": "sha512-kqdmfXEGFepesTuROHMs3MpFLWrPkSSpRqOw80RCflZXy/khxaArvFrQ7uJxSUduzAufc6G0g1VUCOZXxWavPw==",
+          "dev": true,
+          "requires": {
+            "bluebird": "^3.5.5",
+            "chownr": "^1.1.1",
+            "figgy-pudding": "^3.5.1",
+            "glob": "^7.1.4",
+            "graceful-fs": "^4.1.15",
+            "infer-owner": "^1.0.3",
+            "lru-cache": "^5.1.1",
+            "mississippi": "^3.0.0",
+            "mkdirp": "^0.5.1",
+            "move-concurrently": "^1.0.1",
+            "promise-inflight": "^1.0.1",
+            "rimraf": "^2.6.3",
+            "ssri": "^6.0.1",
+            "unique-filename": "^1.1.1",
+            "y18n": "^4.0.0"
+          }
+        },
+        "find-cache-dir": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/find-cache-dir/-/find-cache-dir-2.1.0.tgz",
+          "integrity": "sha512-Tq6PixE0w/VMFfCgbONnkiQIVol/JJL7nRMi20fqzA4NRs9AfeqMGeRdPi3wIhYkxjeBaWh2rxwapn5Tu3IqOQ==",
+          "dev": true,
+          "requires": {
+            "commondir": "^1.0.1",
+            "make-dir": "^2.0.0",
+            "pkg-dir": "^3.0.0"
+          }
+        },
+        "glob": {
+          "version": "7.1.6",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
+          "integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "^1.0.0",
+            "inflight": "^1.0.4",
+            "inherits": "2",
+            "minimatch": "^3.0.4",
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@@ -4975,38 +5105,15 @@
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-      "integrity": "sha1-XHHDTLW61dzr4+oM0IIHulqhrqQ=",
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@@ -5454,15 +5561,6 @@
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wasm/www_bench/package.json

@@ -7,7 +7,7 @@
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