new ckeditor

New ckeditor

ckeditor/core/template.js

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+/**
+ * @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.md or http://ckeditor.com/license
+ */
+
+/**
+ * @fileOverview Defines the {@link CKEDITOR.template} class, which represents
+ * an UI template for an editor instance.
+ */
+
+( function() {
+	var cache = {},
+		rePlaceholder = /{([^}]+)}/g,
+		reEscapableChars = /([\\'])/g,
+		reNewLine = /\n/g,
+		reCarriageReturn = /\r/g;
+
+	/**
+	 * Lightweight template used to build the output string from variables.
+	 *
+	 *		// HTML template for presenting a label UI.
+	 *		var tpl = new CKEDITOR.template( '<div class="{cls}">{label}</div>' );
+	 *		alert( tpl.output( { cls: 'cke-label', label: 'foo'} ) ); // '<div class="cke-label">foo</div>'
+	 *
+	 * @class
+	 * @constructor Creates a template class instance.
+	 * @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('');
+
+		// 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 + "'],'";
+				} );
+
+			fn = "return buffer?buffer.push('" + fn + "'):['" + fn + "'].join('');";
+			this.output = cache[ source ] = Function( 'data', 'buffer', fn );
+		}
+	};
+} )();
+
+/**
+ * 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`.
+ */