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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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61 function JSONParse(text, reviver) { | 61 function JSONParse(text, reviver) { |
62 var unfiltered = ParseJSONUnfiltered(text); | 62 var unfiltered = ParseJSONUnfiltered(text); |
63 if (IS_FUNCTION(reviver)) { | 63 if (IS_FUNCTION(reviver)) { |
64 return Revive({'': unfiltered}, '', reviver); | 64 return Revive({'': unfiltered}, '', reviver); |
65 } else { | 65 } else { |
66 return unfiltered; | 66 return unfiltered; |
67 } | 67 } |
68 } | 68 } |
69 | 69 |
70 var characterQuoteCache = { | 70 var characterQuoteCache = { |
| 71 '\b': '\\b', // ASCII 8, Backspace |
| 72 '\t': '\\t', // ASCII 9, Tab |
| 73 '\n': '\\n', // ASCII 10, Newline |
| 74 '\f': '\\f', // ASCII 12, Formfeed |
| 75 '\r': '\\r', // ASCII 13, Carriage Return |
71 '\"': '\\"', | 76 '\"': '\\"', |
72 '\\': '\\\\', | 77 '/': '\\/' |
73 '/': '\\/', | |
74 '\b': '\\b', | |
75 '\f': '\\f', | |
76 '\n': '\\n', | |
77 '\r': '\\r', | |
78 '\t': '\\t', | |
79 '\x0B': '\\u000b' | |
80 }; | 78 }; |
81 | 79 |
82 function QuoteSingleJSONCharacter(c) { | 80 function QuoteSingleJSONCharacter(c) { |
83 if (c in characterQuoteCache) { | 81 if (c in characterQuoteCache) { |
84 return characterQuoteCache[c]; | 82 return characterQuoteCache[c]; |
85 } | 83 } |
86 var charCode = c.charCodeAt(0); | 84 var charCode = c.charCodeAt(0); |
87 var result; | 85 var result; |
88 if (charCode < 16) result = '\\u000'; | 86 if (charCode < 16) result = '\\u000'; |
89 else if (charCode < 256) result = '\\u00'; | 87 else if (charCode < 256) result = '\\u00'; |
90 else if (charCode < 4096) result = '\\u0'; | 88 else if (charCode < 4096) result = '\\u0'; |
91 else result = '\\u'; | 89 else result = '\\u'; |
92 result += charCode.toString(16); | 90 result += charCode.toString(16); |
93 characterQuoteCache[c] = result; | 91 characterQuoteCache[c] = result; |
94 return result; | 92 return result; |
95 } | 93 } |
96 | 94 |
97 function QuoteJSONString(str) { | 95 function QuoteJSONString(str) { |
98 var quotable = /[\\\"\x00-\x1f\x80-\uffff]/g; | 96 var quotable = /[\\\"\x00-\x1f]/g; |
99 return '"' + str.replace(quotable, QuoteSingleJSONCharacter) + '"'; | 97 return '"' + str.replace(quotable, QuoteSingleJSONCharacter) + '"'; |
100 } | 98 } |
101 | 99 |
102 function StackContains(stack, val) { | 100 function StackContains(stack, val) { |
103 var length = stack.length; | 101 var length = stack.length; |
104 for (var i = 0; i < length; i++) { | 102 for (var i = 0; i < length; i++) { |
105 if (stack[i] === val) { | 103 if (stack[i] === val) { |
106 return true; | 104 return true; |
107 } | 105 } |
108 } | 106 } |
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259 } | 257 } |
260 | 258 |
261 function SetupJSON() { | 259 function SetupJSON() { |
262 InstallFunctions($JSON, DONT_ENUM, $Array( | 260 InstallFunctions($JSON, DONT_ENUM, $Array( |
263 "parse", JSONParse, | 261 "parse", JSONParse, |
264 "stringify", JSONStringify | 262 "stringify", JSONStringify |
265 )); | 263 )); |
266 } | 264 } |
267 | 265 |
268 SetupJSON(); | 266 SetupJSON(); |
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