| // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| // use this file except in compliance with the License. You may obtain a copy of |
| // the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| // License for the specific language governing permissions and limitations under |
| // the License. |
| |
| toJSON.subs = {'\b': '\\b', '\t': '\\t', '\n': '\\n', '\f': '\\f', |
| '\r': '\\r', '"' : '\\"', '\\': '\\\\'}; |
| toJSON.dispatcher = { |
| "Array": function(v) { |
| var buf = []; |
| for (var i = 0; i < v.length; i++) { |
| buf.push(toJSON(v[i])); |
| } |
| return "[" + buf.join(",") + "]"; |
| }, |
| "Boolean": function(v) { |
| return v.toString(); |
| }, |
| "Date": function(v) { |
| var f = function(n) { return n < 10 ? '0' + n : n }; |
| return '"' + v.getUTCFullYear() + '-' + |
| f(v.getUTCMonth() + 1) + '-' + |
| f(v.getUTCDate()) + 'T' + |
| f(v.getUTCHours()) + ':' + |
| f(v.getUTCMinutes()) + ':' + |
| f(v.getUTCSeconds()) + 'Z"'; |
| }, |
| "Number": function(v) { |
| return isFinite(v) ? v.toString() : "null"; |
| }, |
| "Object": function(v) { |
| //if (v === null) return "null"; |
| var buf = []; |
| for (var k in v) { |
| if (!v.hasOwnProperty(k) || typeof(k) !== "string" || v[k] === undefined) { |
| continue; |
| } |
| buf.push(toJSON(k) + ": " + toJSON(v[k])); |
| } |
| return "{" + buf.join(",") + "}"; |
| }, |
| "String": function(v) { |
| if (/["\\\x00-\x1f]/.test(v)) { |
| v = v.replace(/([\x00-\x1f\\"])/g, function(a, b) { |
| var c = toJSON.subs[b]; |
| if (c) return c; |
| c = b.charCodeAt(); |
| return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16); |
| }); |
| } |
| return '"' + v + '"'; |
| } |
| }; |
| |
| function toJSON(val) { |
| if (typeof(val) == "undefined") { |
| throw "Cannot encode 'undefined' value as JSON"; |
| } |
| if (typeof(val) == "xml") { // E4X support |
| val = val.toXMLString(); |
| } |
| if (val === null) { return "null"; } |
| return (toJSON.dispatcher[val.constructor.name])(val); |
| } |
| |
| function compileFunction(source) { |
| try { |
| var functionObject = sandbox ? evalcx(source, sandbox) : eval(source); |
| } catch (err) { |
| throw {error: "compilation_error", |
| reason: err.toString() + " (" + source + ")"}; |
| } |
| if (typeof(functionObject) == "function") { |
| return functionObject; |
| } else { |
| throw {error: "compilation_error", |
| reason: "expression does not eval to a function. (" + source + ")"}; |
| } |
| } |
| |
| function recursivelySeal(obj) { |
| seal(obj); |
| for (var propname in obj) { |
| if (typeof doc[propname] == "object") { |
| recursivelySeal(doc[propname]); |
| } |
| } |
| } |
| |
| // prints the object as JSON, and rescues and logs any toJSON() related errors |
| function respond(obj) { |
| try { |
| print(toJSON(obj)); |
| } catch(e) { |
| log("Error converting object to JSON: " + e.toString()); |
| } |
| }; |
| |
| log = function(message) { |
| // return; |
| if (typeof message == "undefined") { |
| message = "Error: attempting to log message of 'undefined'."; |
| } else if (typeof message != "string") { |
| message = toJSON(message); |
| } |
| respond(["log", message]); |
| }; |