From ccf76e430b7703db028966a845a966f50956f490 Mon Sep 17 00:00:00 2001 From: xue <> Date: Mon, 5 Dec 2005 01:00:16 +0000 Subject: --- framework/Web/Javascripts/base/json.js | 340 +++++++++++++++++++++++++++++++++ 1 file changed, 340 insertions(+) create mode 100644 framework/Web/Javascripts/base/json.js (limited to 'framework/Web/Javascripts/base/json.js') diff --git a/framework/Web/Javascripts/base/json.js b/framework/Web/Javascripts/base/json.js new file mode 100644 index 00000000..0981169d --- /dev/null +++ b/framework/Web/Javascripts/base/json.js @@ -0,0 +1,340 @@ +/* +Copyright (c) 2005 JSON.org + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The Software shall be used for Good, not Evil. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ + +Array.prototype.______array = '______array'; + +Prado.AJAX.JSON = { + org: 'http://www.JSON.org', + copyright: '(c)2005 JSON.org', + license: 'http://www.crockford.com/JSON/license.html', + + stringify: function (arg) { + var c, i, l, s = '', v; + + switch (typeof arg) { + case 'object': + if (arg) { + if (arg.______array == '______array') { + for (i = 0; i < arg.length; ++i) { + v = this.stringify(arg[i]); + if (s) { + s += ','; + } + s += v; + } + return '[' + s + ']'; + } else if (typeof arg.toString != 'undefined') { + for (i in arg) { + v = arg[i]; + if (typeof v != 'undefined' && typeof v != 'function') { + v = this.stringify(v); + if (s) { + s += ','; + } + s += this.stringify(i) + ':' + v; + } + } + return '{' + s + '}'; + } + } + return 'null'; + case 'number': + return isFinite(arg) ? String(arg) : 'null'; + case 'string': + l = arg.length; + s = '"'; + for (i = 0; i < l; i += 1) { + c = arg.charAt(i); + if (c >= ' ') { + if (c == '\\' || c == '"') { + s += '\\'; + } + s += c; + } else { + switch (c) { + case '\b': + s += '\\b'; + break; + case '\f': + s += '\\f'; + break; + case '\n': + s += '\\n'; + break; + case '\r': + s += '\\r'; + break; + case '\t': + s += '\\t'; + break; + default: + c = c.charCodeAt(); + s += '\\u00' + Math.floor(c / 16).toString(16) + + (c % 16).toString(16); + } + } + } + return s + '"'; + case 'boolean': + return String(arg); + default: + return 'null'; + } + }, + parse: function (text) { + var at = 0; + var ch = ' '; + + function error(m) { + throw { + name: 'JSONError', + message: m, + at: at - 1, + text: text + }; + } + + function next() { + ch = text.charAt(at); + at += 1; + return ch; + } + + function white() { + while (ch) { + if (ch <= ' ') { + next(); + } else if (ch == '/') { + switch (next()) { + case '/': + while (next() && ch != '\n' && ch != '\r') {} + break; + case '*': + next(); + for (;;) { + if (ch) { + if (ch == '*') { + if (next() == '/') { + next(); + break; + } + } else { + next(); + } + } else { + error("Unterminated comment"); + } + } + break; + default: + error("Syntax error"); + } + } else { + break; + } + } + } + + function string() { + var i, s = '', t, u; + + if (ch == '"') { +outer: while (next()) { + if (ch == '"') { + next(); + return s; + } else if (ch == '\\') { + switch (next()) { + case 'b': + s += '\b'; + break; + case 'f': + s += '\f'; + break; + case 'n': + s += '\n'; + break; + case 'r': + s += '\r'; + break; + case 't': + s += '\t'; + break; + case 'u': + u = 0; + for (i = 0; i < 4; i += 1) { + t = parseInt(next(), 16); + if (!isFinite(t)) { + break outer; + } + u = u * 16 + t; + } + s += String.fromCharCode(u); + break; + default: + s += ch; + } + } else { + s += ch; + } + } + } + error("Bad string"); + } + + function array() { + var a = []; + + if (ch == '[') { + next(); + white(); + if (ch == ']') { + next(); + return a; + } + while (ch) { + a.push(value()); + white(); + if (ch == ']') { + next(); + return a; + } else if (ch != ',') { + break; + } + next(); + white(); + } + } + error("Bad array"); + } + + function object() { + var k, o = {}; + + if (ch == '{') { + next(); + white(); + if (ch == '}') { + next(); + return o; + } + while (ch) { + k = string(); + white(); + if (ch != ':') { + break; + } + next(); + o[k] = value(); + white(); + if (ch == '}') { + next(); + return o; + } else if (ch != ',') { + break; + } + next(); + white(); + } + } + error("Bad object"); + } + + function number() { + var n = '', v; + if (ch == '-') { + n = '-'; + next(); + } + while (ch >= '0' && ch <= '9') { + n += ch; + next(); + } + if (ch == '.') { + n += '.'; + while (next() && ch >= '0' && ch <= '9') { + n += ch; + } + } + if (ch == 'e' || ch == 'E') { + n += 'e'; + next(); + if (ch == '-' || ch == '+') { + n += ch; + next(); + } + while (ch >= '0' && ch <= '9') { + n += ch; + next(); + } + } + v = +n; + if (!isFinite(v)) { + ////error("Bad number"); + } else { + return v; + } + } + + function word() { + switch (ch) { + case 't': + if (next() == 'r' && next() == 'u' && next() == 'e') { + next(); + return true; + } + break; + case 'f': + if (next() == 'a' && next() == 'l' && next() == 's' && + next() == 'e') { + next(); + return false; + } + break; + case 'n': + if (next() == 'u' && next() == 'l' && next() == 'l') { + next(); + return null; + } + break; + } + error("Syntax error"); + } + + function value() { + white(); + switch (ch) { + case '{': + return object(); + case '[': + return array(); + case '"': + return string(); + case '-': + return number(); + default: + return ch >= '0' && ch <= '9' ? number() : word(); + } + } + + return value(); + } +}; \ No newline at end of file -- cgit v1.2.3