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Implement escaped character support

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This commit is contained in:
Vladimir Grichina
2019-01-06 18:07:31 -08:00
parent 1567bb19c7
commit f53d0bae16
2 changed files with 103 additions and 12 deletions
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40
tests/assembly/decoder.spec.as.ts
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@@ -67,9 +67,33 @@ class JSONTestHandler extends JSONHandler {
}
private writeString(str: string): void {
// TODO: Implement encoding
this.write('"');
this.write(str);
let savedIndex = 0;
for (let i = 0; i < str.length; i++) {
let char = str.charCodeAt(i);
let needsEscaping = char < 0x20 || char == '"'.charCodeAt(0) || char == '\\'.charCodeAt(0);
if (needsEscaping) {
this.write(str.substring(savedIndex, i));
savedIndex = i + 1;
if (char == '"'.charCodeAt(0)) {
this.write('\\"');
} else if (char == "\\".charCodeAt(0)) {
this.write("\\\\");
} else if (char == "\b".charCodeAt(0)) {
this.write("\\b");
} else if (char == "\n".charCodeAt(0)) {
this.write("\\n");
} else if (char == "\r".charCodeAt(0)) {
this.write("\\r");
} else if (char == "\t".charCodeAt(0)) {
this.write("\\t");
} else {
// TODO: Implement encoding for other contol characters
assert(false, "Unsupported control chracter");
}
}
}
this.write(str.substring(savedIndex, str.length));
this.write('"');
}
@@ -132,6 +156,18 @@ export class StringConversionTests {
return this.roundripTest('{"str":"foo"}');
}
static shouldHandleStringEscaped(): bool {
return this.roundripTest('"\\"\\\\\\/\\n\\t\\b\\r\\t"', '"\\"\\\\/\\n\\t\\b\\r\\t"');
}
static shouldHandleStringUnicodeEscaped1(): bool {
return this.roundripTest('"\\u0022"', '"\\""');
}
static shouldHandleStringUnicodeEscaped2(): bool {
return this.roundripTest('"\u041f\u043e\u043b\u0442\u043e\u0440\u0430 \u0417\u0435\u043c\u043b\u0435\u043a\u043e\u043f\u0430"', '"Полтора Землекопа"');
}
static shouldMultipleKeys(): bool {
return this.roundripTest('{"str":"foo","bar":"baz"}');
}