X-Git-Url: http://lambda.jimpryor.net/git/gitweb.cgi?p=lambda.git;a=blobdiff_plain;f=code%2Fjson2.js;h=deb88ec9a77f424aa060b2284d41e279829e86ac;hp=0498ef9d42e798d7c5364373dc83cbe9708af2c1;hb=7936567be1fea69bb7e1bb299bd3d1616b6e2dcc;hpb=42859c95fe5548d1fc3c3f5b03980b13a35ebf35 diff --git a/code/json2.js b/code/json2.js index 0498ef9d..deb88ec9 100644 --- a/code/json2.js +++ b/code/json2.js @@ -1,6 +1,6 @@ /* - http://www.JSON.org/json2.js - 2010-08-25 + json2.js + 2014-02-04 Public Domain. @@ -146,7 +146,7 @@ redistribute. */ -/*jslint evil: true, strict: false */ +/*jslint evil: true, regexp: true */ /*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply, call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours, @@ -159,11 +159,12 @@ // Create a JSON object only if one does not already exist. We create the // methods in a closure to avoid creating global variables. -if (!this.JSON) { - this.JSON = {}; +if (typeof JSON !== 'object') { + JSON = {}; } (function () { + 'use strict'; function f(n) { // Format integers to have at least two digits. @@ -172,37 +173,30 @@ if (!this.JSON) { if (typeof Date.prototype.toJSON !== 'function') { - Date.prototype.toJSON = function (key) { + Date.prototype.toJSON = function () { - return isFinite(this.valueOf()) ? - this.getUTCFullYear() + '-' + - f(this.getUTCMonth() + 1) + '-' + - f(this.getUTCDate()) + 'T' + - f(this.getUTCHours()) + ':' + - f(this.getUTCMinutes()) + ':' + - f(this.getUTCSeconds()) + 'Z' : null; + return isFinite(this.valueOf()) + ? this.getUTCFullYear() + '-' + + f(this.getUTCMonth() + 1) + '-' + + f(this.getUTCDate()) + 'T' + + f(this.getUTCHours()) + ':' + + f(this.getUTCMinutes()) + ':' + + f(this.getUTCSeconds()) + 'Z' + : null; }; - String.prototype.toJSON = - Number.prototype.toJSON = - Boolean.prototype.toJSON = function (key) { - return this.valueOf(); - }; + String.prototype.toJSON = + Number.prototype.toJSON = + Boolean.prototype.toJSON = function () { + return this.valueOf(); + }; } - var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, - escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, + var cx, + escapable, gap, indent, - meta = { // table of character substitutions - '\b': '\\b', - '\t': '\\t', - '\n': '\\n', - '\f': '\\f', - '\r': '\\r', - '"' : '\\"', - '\\': '\\\\' - }, + meta, rep; @@ -214,13 +208,12 @@ if (!this.JSON) { // sequences. escapable.lastIndex = 0; - return escapable.test(string) ? - '"' + string.replace(escapable, function (a) { - var c = meta[a]; - return typeof c === 'string' ? c : - '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); - }) + '"' : - '"' + string + '"'; + return escapable.test(string) ? '"' + string.replace(escapable, function (a) { + var c = meta[a]; + return typeof c === 'string' + ? c + : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + }) + '"' : '"' + string + '"'; } @@ -303,11 +296,11 @@ if (!this.JSON) { // Join all of the elements together, separated with commas, and wrap them in // brackets. - v = partial.length === 0 ? '[]' : - gap ? '[\n' + gap + - partial.join(',\n' + gap) + '\n' + - mind + ']' : - '[' + partial.join(',') + ']'; + v = partial.length === 0 + ? '[]' + : gap + ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' + : '[' + partial.join(',') + ']'; gap = mind; return v; } @@ -317,8 +310,8 @@ if (!this.JSON) { if (rep && typeof rep === 'object') { length = rep.length; for (i = 0; i < length; i += 1) { - k = rep[i]; - if (typeof k === 'string') { + if (typeof rep[i] === 'string') { + k = rep[i]; v = str(k, value); if (v) { partial.push(quote(k) + (gap ? ': ' : ':') + v); @@ -330,7 +323,7 @@ if (!this.JSON) { // Otherwise, iterate through all of the keys in the object. for (k in value) { - if (Object.hasOwnProperty.call(value, k)) { + if (Object.prototype.hasOwnProperty.call(value, k)) { v = str(k, value); if (v) { partial.push(quote(k) + (gap ? ': ' : ':') + v); @@ -342,9 +335,11 @@ if (!this.JSON) { // Join all of the member texts together, separated with commas, // and wrap them in braces. - v = partial.length === 0 ? '{}' : - gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + - mind + '}' : '{' + partial.join(',') + '}'; + v = partial.length === 0 + ? '{}' + : gap + ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' + : '{' + partial.join(',') + '}'; gap = mind; return v; } @@ -353,6 +348,16 @@ if (!this.JSON) { // If the JSON object does not yet have a stringify method, give it one. if (typeof JSON.stringify !== 'function') { + escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g; + meta = { // table of character substitutions + '\b': '\\b', + '\t': '\\t', + '\n': '\\n', + '\f': '\\f', + '\r': '\\r', + '"' : '\\"', + '\\': '\\\\' + }; JSON.stringify = function (value, replacer, space) { // The stringify method takes a value and an optional replacer, and an optional @@ -385,7 +390,7 @@ if (!this.JSON) { rep = replacer; if (replacer && typeof replacer !== 'function' && (typeof replacer !== 'object' || - typeof replacer.length !== 'number')) { + typeof replacer.length !== 'number')) { throw new Error('JSON.stringify'); } @@ -400,6 +405,7 @@ if (!this.JSON) { // If the JSON object does not yet have a parse method, give it one. if (typeof JSON.parse !== 'function') { + cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g; JSON.parse = function (text, reviver) { // The parse method takes a text and an optional reviver function, and returns @@ -415,7 +421,7 @@ if (!this.JSON) { var k, v, value = holder[key]; if (value && typeof value === 'object') { for (k in value) { - if (Object.hasOwnProperty.call(value, k)) { + if (Object.prototype.hasOwnProperty.call(value, k)) { v = walk(value, k); if (v !== undefined) { value[k] = v; @@ -456,9 +462,9 @@ if (!this.JSON) { // ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval. if (/^[\],:{}\s]*$/ -.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@') -.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']') -.replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { + .test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@') + .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']') + .replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { // In the third stage we use the eval function to compile the text into a // JavaScript structure. The '{' operator is subject to a syntactic ambiguity @@ -470,8 +476,9 @@ if (!this.JSON) { // In the optional fourth stage, we recursively walk the new structure, passing // each name/value pair to a reviver function for possible transformation. - return typeof reviver === 'function' ? - walk({'': j}, '') : j; + return typeof reviver === 'function' + ? walk({'': j}, '') + : j; } // If the text is not JSON parseable, then a SyntaxError is thrown. @@ -480,4 +487,3 @@ if (!this.JSON) { }; } }()); -