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1 part of petitparser.json; | |
2 | |
3 /// JSON parser. | |
4 class JsonParser extends GrammarParser { | |
5 JsonParser() : super(const JsonParserDefinition()); | |
6 } | |
7 | |
8 /// JSON parser definition. | |
9 class JsonParserDefinition extends JsonGrammarDefinition { | |
10 const JsonParserDefinition(); | |
11 | |
12 array() => super.array().map((each) => each[1] != null ? each[1] : new List())
; | |
13 object() => super.object().map((each) { | |
14 var result = new LinkedHashMap(); | |
15 if (each[1] != null) { | |
16 for (var element in each[1]) { | |
17 result[element[0]] = element[2]; | |
18 } | |
19 } | |
20 return result; | |
21 }); | |
22 | |
23 trueToken() => super.trueToken().map((each) => true); | |
24 falseToken() => super.falseToken().map((each) => false); | |
25 nullToken() => super.nullToken().map((each) => null); | |
26 stringToken() => ref(stringPrimitive).trim(); | |
27 numberToken() => super.numberToken().map((each) { | |
28 var floating = double.parse(each); | |
29 var integral = floating.toInt(); | |
30 if (floating == integral && each.indexOf('.') == -1) { | |
31 return integral; | |
32 } else { | |
33 return floating; | |
34 } | |
35 }); | |
36 | |
37 stringPrimitive() => super.stringPrimitive().map((each) => each[1].join()); | |
38 characterEscape() => super.characterEscape().map((each) => jsonEscapeChars[eac
h[1]]); | |
39 characterUnicode() => super.characterUnicode().map((each) { | |
40 var charCode = int.parse(each[1].join(), radix: 16); | |
41 return new String.fromCharCode(charCode); | |
42 }); | |
43 } | |
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