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TiddlyWiki5/editions/tw2/source/tiddlywiki/deprecated/Strings.js
2012-11-16 21:20:27 +00:00

30 lines
702 B
JavaScript
Executable File

//--
//-- Deprecated String functions
//--
// @Deprecated: no direct replacement, since not used in core code
String.prototype.toJSONString = function()
{
// Convert a string to it's JSON representation by encoding control characters, double quotes and backslash. See json.org
var m = {
'\b': '\\b',
'\f': '\\f',
'\n': '\\n',
'\r': '\\r',
'\t': '\\t',
'"' : '\\"',
'\\': '\\\\'
};
var replaceFn = function(a,b) {
var c = m[b];
if(c)
return c;
c = b.charCodeAt();
return '\\u00' + Math.floor(c / 16).toString(16) + (c % 16).toString(16);
};
if(/["\\\x00-\x1f]/.test(this))
return '"' + this.replace(/([\x00-\x1f\\"])/g,replaceFn) + '"';
return '"' + this + '"';
};