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| 1 part of json; | |
| 2 | |
| 3 /** | |
| 4 * JSON parser. | |
| 5 */ | |
| 6 class JsonParser extends GrammarParser { | |
| 7 JsonParser() : super(const JsonParserDefinition()); | |
| 8 } | |
| 9 | |
| 10 /** | |
| 11 * JSON parser definition. | |
| 12 */ | |
| 13 class JsonParserDefinition extends JsonGrammarDefinition { | |
| 14 const JsonParserDefinition(); | |
| 15 | |
| 16 array() => super.array().map((each) => each[1] != null ? each[1] : new List())
; | |
| 17 object() => super.object().map((each) { | |
| 18 var result = new LinkedHashMap(); | |
| 19 if (each[1] != null) { | |
| 20 for (var element in each[1]) { | |
| 21 result[element[0]] = element[2]; | |
| 22 } | |
| 23 } | |
| 24 return result; | |
| 25 }); | |
| 26 | |
| 27 trueToken() => super.trueToken().map((each) => true); | |
| 28 falseToken() => super.falseToken().map((each) => false); | |
| 29 nullToken() => super.nullToken().map((each) => null); | |
| 30 stringToken() => ref(stringPrimitive).trim(); | |
| 31 numberToken() => super.numberToken().map((each) { | |
| 32 var floating = double.parse(each); | |
| 33 var integral = floating.toInt(); | |
| 34 if (floating == integral && each.indexOf('.') == -1) { | |
| 35 return integral; | |
| 36 } else { | |
| 37 return floating; | |
| 38 } | |
| 39 }); | |
| 40 | |
| 41 stringPrimitive() => super.stringPrimitive().map((each) => each[1].join()); | |
| 42 characterEscape() => super.characterEscape().map((each) => JSON_ESCAPE_CHARS[e
ach[1]]); | |
| 43 characterOctal() => super.characterOctal().map((each) { | |
| 44 throw new UnsupportedError('Octal characters not supported yet'); | |
| 45 }); | |
| 46 | |
| 47 } | |
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