From 395c2cc075d9f5370036407d482d5f741e04e630 Mon Sep 17 00:00:00 2001 From: Mikael Nordfeldth Date: Sat, 7 Mar 2015 00:57:21 +0100 Subject: [PATCH] JSON in JavaScript library updated ...why we now need a JSON library... _in_ Javascript?! Source: http://www.json.org/js.html --- js/extlib/json2.js | 124 +++++++++++++++++++++++++++------------------ 1 file changed, 75 insertions(+), 49 deletions(-) diff --git a/js/extlib/json2.js b/js/extlib/json2.js index d89ecc7a2c..d4031815ee 100644 --- a/js/extlib/json2.js +++ b/js/extlib/json2.js @@ -1,6 +1,6 @@ /* json2.js - 2013-05-26 + 2015-02-25 Public Domain. @@ -48,7 +48,9 @@ Date.prototype.toJSON = function (key) { function f(n) { // Format integers to have at least two digits. - return n < 10 ? '0' + n : n; + return n < 10 + ? '0' + n + : n; } return this.getUTCFullYear() + '-' + @@ -146,10 +148,12 @@ redistribute. */ -/*jslint evil: true, regexp: true */ +/*jslint + eval, for, this +*/ -/*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply, - call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours, +/*property + JSON, apply, call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours, getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join, lastIndex, length, parse, prototype, push, replace, slice, stringify, test, toJSON, toString, valueOf @@ -168,7 +172,13 @@ if (typeof JSON !== 'object') { function f(n) { // Format integers to have at least two digits. - return n < 10 ? '0' + n : n; + return n < 10 + ? '0' + n + : n; + } + + function this_value() { + return this.valueOf(); } if (typeof Date.prototype.toJSON !== 'function') { @@ -176,35 +186,25 @@ if (typeof JSON !== 'object') { Date.prototype.toJSON = function () { return isFinite(this.valueOf()) - ? this.getUTCFullYear() + '-' + + ? this.getUTCFullYear() + '-' + f(this.getUTCMonth() + 1) + '-' + - f(this.getUTCDate()) + 'T' + - f(this.getUTCHours()) + ':' + - f(this.getUTCMinutes()) + ':' + - f(this.getUTCSeconds()) + 'Z' - : null; + 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 () { - return this.valueOf(); - }; + Boolean.prototype.toJSON = this_value; + Number.prototype.toJSON = this_value; + String.prototype.toJSON = this_value; } - 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; @@ -216,12 +216,14 @@ if (typeof JSON !== 'object') { // sequences. escapable.lastIndex = 0; - return escapable.test(string) ? '"' + string.replace(escapable, function (a) { + 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 + '"'; + ? c + : '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + }) + '"' + : '"' + string + '"'; } @@ -261,7 +263,9 @@ if (typeof JSON !== 'object') { // JSON numbers must be finite. Encode non-finite numbers as null. - return isFinite(value) ? String(value) : 'null'; + return isFinite(value) + ? String(value) + : 'null'; case 'boolean': case 'null': @@ -305,10 +309,10 @@ if (typeof JSON !== 'object') { // brackets. v = partial.length === 0 - ? '[]' - : gap - ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' - : '[' + partial.join(',') + ']'; + ? '[]' + : gap + ? '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' + : '[' + partial.join(',') + ']'; gap = mind; return v; } @@ -322,7 +326,11 @@ if (typeof JSON !== 'object') { k = rep[i]; v = str(k, value); if (v) { - partial.push(quote(k) + (gap ? ': ' : ':') + v); + partial.push(quote(k) + ( + gap + ? ': ' + : ':' + ) + v); } } } @@ -334,7 +342,11 @@ if (typeof JSON !== 'object') { if (Object.prototype.hasOwnProperty.call(value, k)) { v = str(k, value); if (v) { - partial.push(quote(k) + (gap ? ': ' : ':') + v); + partial.push(quote(k) + ( + gap + ? ': ' + : ':' + ) + v); } } } @@ -344,10 +356,10 @@ if (typeof JSON !== 'object') { // and wrap them in braces. v = partial.length === 0 - ? '{}' - : gap - ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' - : '{' + partial.join(',') + '}'; + ? '{}' + : gap + ? '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' + : '{' + partial.join(',') + '}'; gap = mind; return v; } @@ -356,6 +368,16 @@ if (typeof JSON !== 'object') { // If the JSON object does not yet have a stringify method, give it one. if (typeof JSON.stringify !== 'function') { + escapable = /[\\\"\u0000-\u001f\u007f-\u009f\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 @@ -403,6 +425,7 @@ if (typeof JSON !== 'object') { // 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 @@ -441,7 +464,7 @@ if (typeof JSON !== 'object') { if (cx.test(text)) { text = text.replace(cx, function (a) { return '\\u' + - ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); }); } @@ -458,10 +481,13 @@ if (typeof JSON !== 'object') { // we look to see that the remaining characters are only whitespace or ']' or // ',' 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, '@') + 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, ''))) { + .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 @@ -474,8 +500,8 @@ if (typeof JSON !== 'object') { // each name/value pair to a reviver function for possible transformation. return typeof reviver === 'function' - ? walk({'': j}, '') - : j; + ? walk({'': j}, '') + : j; } // If the text is not JSON parseable, then a SyntaxError is thrown.