/**
- * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or http://ckeditor.com/license
*/
*/
( function() {
- var cache = {},
- rePlaceholder = /{([^}]+)}/g,
- reEscapableChars = /([\\'])/g,
- reNewLine = /\n/g,
- reCarriageReturn = /\r/g;
+ var rePlaceholder = /{([^}]+)}/g;
/**
* Lightweight template used to build the output string from variables.
* @param {String} source The template source.
*/
CKEDITOR.template = function( source ) {
- // Builds an optimized function body for the output() method, focused on performance.
- // For example, if we have this "source":
- // '<div style="{style}">{editorName}</div>'
- // ... the resulting function body will be (apart from the "buffer" handling):
- // return [ '<div style="', data['style'] == undefined ? '{style}' : data['style'], '">', data['editorName'] == undefined ? '{editorName}' : data['editorName'], '</div>' ].join('');
+ /**
+ * The current template source.
+ *
+ * @readonly
+ * @member CKEDITOR.template
+ * @property {String}
+ */
+ this.source = String( source );
+ };
- // Try to read from the cache.
- if ( cache[ source ] )
- this.output = cache[ source ];
- else {
- var fn = source
- // Escape chars like slash "\" or single quote "'".
- .replace( reEscapableChars, '\\$1' )
- .replace( reNewLine, '\\n' )
- .replace( reCarriageReturn, '\\r' )
- // Inject the template keys replacement.
- .replace( rePlaceholder, function( m, key ) {
- return "',data['" + key + "']==undefined?'{" + key + "}':data['" + key + "'],'";
- } );
+ /**
+ * Processes the template, filling its variables with the provided data.
+ *
+ * @method
+ * @member CKEDITOR.template
+ * @param {Object} data An object containing properties whose values will be
+ * used to fill the template variables. The property names must match the
+ * template variables names. Variables without matching properties will be
+ * kept untouched.
+ * @param {Array} [buffer] An array that the output data will be pushed into.
+ * The number of entries appended to the array is unknown.
+ * @returns {String/Number} If `buffer` has not been provided, the processed
+ * template output data; otherwise the new length of `buffer`.
+ */
+ CKEDITOR.template.prototype.output = function( data, buffer ) {
+ var output = this.source.replace( rePlaceholder, function( fullMatch, dataKey ) {
+ return data[ dataKey ] !== undefined ? data[ dataKey ] : fullMatch;
+ } );
- fn = "return buffer?buffer.push('" + fn + "'):['" + fn + "'].join('');";
- this.output = cache[ source ] = Function( 'data', 'buffer', fn );
- }
+ return buffer ? buffer.push( output ) : output;
};
} )();
-
-/**
- * Processes the template, filling its variables with the provided data.
- *
- * @method output
- * @param {Object} data An object containing properties which values will be
- * used to fill the template variables. The property names must match the
- * template variables names. Variables without matching properties will be
- * kept untouched.
- * @param {Array} [buffer] An array into which the output data will be pushed into.
- * The number of entries appended to the array is unknown.
- * @returns {String/Number} If `buffer` has not been provided, the processed
- * template output data, otherwise the new length of `buffer`.
- */