(function($) {
functiontoIntegersAtLease(n)
// Format integers to have at least twodigits.
{
return n < 10 ? '0' + n :n;
}
Date.prototype.toJSON =function(date)
// Yes, it polutes the Date namespace, but we'llallow it here, as
// it's damned usefull.
{
return date.getUTCFullYear() + '-' +
toIntegersAtLease(date.getUTCMonth() + 1) + '-' +
toIntegersAtLease(date.getUTCDate());
};
var escapeable =/["\\\x00-\x1f\x7f-\x9f]/g;
var meta = { // table of charactersubstitutions
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"' : '\\"',
'\\': '\\\\'
}
$.quoteString =function(string)
// Places quotes around a string,inteligently.
// If the string contains no control characters,no quote characters, and no
// backslash characters, then we can safely slapsome quotes around it.
// Otherwise we must also replace the offendingcharacters with safe escape
// sequences.
{
if (escapeable.test(string))
{
return '"'+ string.replace(escapeable, function (a)
{
var c = meta[a];
if (typeof c === 'string'){
return c;
}
c = a.charCodeAt();
return '\\u00' + Math.floor(c/ 16).toString(16) + (c % 16).toString(16);
}) +'"'
}
return '"' + string + '"';
}
$.toJSON = function(o,compact)
{
var type = typeof(o);
if (type == "undefined")
return"undefined";
else if (type == "number" || type =="boolean")
return o +"";
else if (o === null)
return"null";
// Is it a string?
if (type == "string")
{
return$.quoteString(o);
}
// Does it have a .toJSON function?
if (type == "object"&& typeof o.toJSON =="function")
returno.toJSON(compact);
// Is it an array?
if (type != "function"&& typeof(o.length) =="number")
{
var ret =[];
for (var i= 0; i < o.length; i++) {
ret.push( $.toJSON(o[i],compact) );
}
if(compact)
return "[" + ret.join(",") +"]";
else
return "[" + ret.join(", ") +"]";
}
// If it's a function, we have to warnsomebody!
if (type == "function") {
throw newTypeError("Unable to convert object of type 'function' tojson.");
}
// It's probably an object, then.
ret = [];
for (var k in o) {
varname;
var type =typeof(k);
if (type== "number")
name = '"' + k + '"';
else if(type == "string")
name =$.quoteString(k);
else
continue; //skip non-string or number keys
val =$.toJSON(o[k], compact);
if(typeof(val) != "string") {
// skip non-serializablevalues
continue;
}
if(compact)
ret.push(name + ":" +val);
else
ret.push(name + ": " +val);
}
return "{" + ret.join(", ") + "}";
}
$.compactJSON =function(o)
{
return $.toJSON(o, true);
}
$.evalJSON =function(src)
// Evals JSON that we know to be safe.
{
return eval_r("(" + src + ")");
}
$.secureEvalJSON =function(src)
// Evals JSON in a way that is *more*secure.
{
var filtered = src;
filtered = filtered.replace(/\\["\\\/bfnrtu]/g,'@');
filtered =filtered.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']');
filtered =filtered.replace(/(?:^|:|,)(?:\s*\[)+/g, '');
if (/^[\],:{}\s]*$/.test(filtered))
returneval_r("(" + src + ")");
else
throw newSyntaxError("Error parsing JSON, source is not valid.");
}
})(jQuery);