fix return_type_for_child_object_not_matched

.idea/runConfigurations/filter.xml

@@ -1,12 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="filter" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
-    <option name="channel" value="DEFAULT" />
-    <option name="command" value="test --package jsonpath_lib --test filter &quot;&quot;" />
-    <option name="allFeatures" value="false" />
-    <option name="nocapture" value="false" />
-    <option name="backtrace" value="SHORT" />
-    <option name="workingDirectory" value="file://$PROJECT_DIR$" />
-    <envs />
-    <method v="2" />
-  </configuration>
-</component>

.idea/runConfigurations/lib.xml

@@ -1,12 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="lib" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
-    <option name="channel" value="DEFAULT" />
-    <option name="command" value="test --package jsonpath_lib --test lib &quot;&quot;" />
-    <option name="allFeatures" value="false" />
-    <option name="nocapture" value="false" />
-    <option name="backtrace" value="SHORT" />
-    <option name="workingDirectory" value="file://$PROJECT_DIR$" />
-    <envs />
-    <method v="2" />
-  </configuration>
-</component>

.idea/runConfigurations/mutable.xml

@@ -1,12 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="mutable" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
-    <option name="channel" value="DEFAULT" />
-    <option name="command" value="test --package jsonpath_lib --test mutable &quot;&quot;" />
-    <option name="allFeatures" value="false" />
-    <option name="nocapture" value="false" />
-    <option name="backtrace" value="SHORT" />
-    <option name="workingDirectory" value="file://$PROJECT_DIR$" />
-    <envs />
-    <method v="2" />
-  </configuration>
-</component>

.idea/runConfigurations/readme.xml

@@ -1,12 +0,0 @@
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="readme" type="CargoCommandRunConfiguration" factoryName="Cargo Command">
-    <option name="channel" value="DEFAULT" />
-    <option name="command" value="test --package jsonpath_lib --test readme &quot;&quot;" />
-    <option name="allFeatures" value="false" />
-    <option name="nocapture" value="false" />
-    <option name="backtrace" value="SHORT" />
-    <option name="workingDirectory" value="file://$PROJECT_DIR$" />
-    <envs />
-    <method v="2" />
-  </configuration>
-</component>

.travis.yml

@@ -24,15 +24,9 @@ matrix:
       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 ../../
+        - ./clippy.sh
       after_success: |
-        cargo tarpaulin --exclude-files nodejs wasm parser/mod.rs --out Xml
+        cargo tarpaulin --exclude-files wasm parser/mod.rs --out Xml
         bash <(curl -s https://codecov.io/bash)
     - rust: stable
       os: osx

clippy.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+
+set -e
+
+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 ../

src/select/mod.rs

@@ -710,18 +710,38 @@ impl<'a, 'b> Selector<'a, 'b> {
     }
 
     fn next_from_current_with_num(&mut self, index: f64) {
-        if let Some(current) = self.current.take() {
-            let mut tmp = Vec::new();
-            for c in current {
-                if let Value::Array(vec) = c {
+        fn _collect<'a>(tmp: &mut Vec<&'a Value>, vec: &'a [Value], index: f64) {
             let index = abs_index(index as isize, vec.len());
-                    if let Some(v) = c.get(index) {
+            if let Some(v) = vec.get(index) {
                 tmp.push(v);
             }
         }
+
+        if let Some(current) = self.current.take() {
+            let mut tmp = Vec::new();
+            for c in current {
+                match c {
+                    Value::Object(map) => {
+                        for k in map.keys() {
+                            if let Some(Value::Array(vec)) = map.get(k) {
+                                _collect(&mut tmp, vec, index);
                             }
+                        }
+                    }
+                    Value::Array(vec) => {
+                        _collect(&mut tmp, vec, index);
+                    }
+                    _ => {}
+                }
+            }
+
+            if tmp.is_empty() {
+                self.terms.pop();
+                self.current = Some(vec![&Value::Null]);
+            } else {
                 self.current = Some(tmp);
             }
+        }
 
         debug!(
             "next_from_current_with_num : {:?}, {:?}",
@@ -729,27 +749,6 @@ impl<'a, 'b> Selector<'a, 'b> {
         );
     }
 
-    fn next_from_current_with_str(&mut self, keys: &[String]) {
-        if let Some(current) = self.current.take() {
-            let mut tmp = Vec::new();
-            for c in current {
-                if let Value::Object(map) = c {
-                    for key in keys {
-                        if let Some(v) = map.get(key) {
-                            tmp.push(v)
-                        }
-                    }
-                }
-            }
-            self.current = Some(tmp);
-        }
-
-        debug!(
-            "next_from_current_with_str : {:?}, {:?}",
-            keys, self.current
-        );
-    }
-
     fn next_all_from_current(&mut self) {
         if let Some(current) = self.current.take() {
             let mut tmp = Vec::new();
@@ -774,6 +773,32 @@ impl<'a, 'b> Selector<'a, 'b> {
         debug!("next_all_from_current : {:?}", self.current);
     }
 
+    fn next_from_current_with_str(&mut self, keys: &[String]) {
+        if let Some(current) = self.current.take() {
+            let mut tmp = Vec::new();
+            for c in current {
+                if let Value::Object(map) = c {
+                    for key in keys {
+                        if let Some(v) = map.get(key) {
+                            tmp.push(v)
+                        }
+                    }
+                }
+            }
+
+            if tmp.is_empty() {
+                self.current = Some(vec![&Value::Null]);
+            } else {
+                self.current = Some(tmp);
+            }
+        }
+
+        debug!(
+            "next_from_current_with_str : {:?}, {:?}",
+            keys, self.current
+        );
+    }
+
     fn all_from_current(&mut self) {
         if let Some(current) = self.current.take() {
             let mut tmp = Vec::new();

tests/return_type.rs

@@ -1,6 +1,8 @@
 #[macro_use]
 extern crate serde_json;
 
+use serde_json::Value;
+
 use common::{read_json, select_and_then_compare, setup};
 
 mod common;
@@ -53,14 +55,14 @@ fn return_type_for_child_object_matched() {
     );
 }
 
-// #[test]
+#[test]
 fn return_type_for_child_object_not_matched() {
     setup();
 
     select_and_then_compare(
         "$.school[?(@.friends[10])]",
         read_json("./benchmark/data_obj.json"),
-        json!([]),
+        json!([Value::Null]),
     );
 }