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/*!
* Jade - utils
* Copyright(c) 2010 TJ Holowaychuk <tj@vision-media.ca>
* MIT Licensed
*/
/**
* Convert interpolation in the given string to JavaScript.
*
* @param {String} str
* @return {String}
* @api private
*/
var interpolate = exports.interpolate = function(str){
return str.replace(/(\\)?([#!]){(.*?)}/g, function(str, escape, flag, code){
return escape
? str
: "' + "
+ ('!' == flag ? '' : 'escape')
+ "((interp = " + code.replace(/\\'/g, "'")
+ ") == null ? '' : interp) + '";
});
};
/**
* Escape single quotes in `str`.
*
* @param {String} str
* @return {String}
* @api private
*/
var escape = exports.escape = function(str) {
return str.replace(/'/g, "\\'");
};
/**
* Interpolate, and escape the given `str`.
*
* @param {String} str
* @return {String}
* @api private
*/
exports.text = function(str){
return interpolate(escape(str));
};
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