1 files changed, 80 insertions, 0 deletions
diff --git a/core/htmlparser/comment.js b/core/htmlparser/comment.js
new file mode 100644
index 0000000..a7347f6
--- /dev/null
+++ b/core/htmlparser/comment.js
@@ -0,0 +1,80 @@
+/**
+ * @license Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
+ * For licensing, see LICENSE.html or http://ckeditor.com/license
+ */
+
+ 'use strict';
+
+/**
+ * A lightweight representation of an HTML comment.
+ *
+ * @class
+ * @extends CKEDITOR.htmlParser.node
+ * @constructor Creates a comment class instance.
+ * @param {String} value The comment text value.
+ */
+CKEDITOR.htmlParser.comment = function( value ) {
+	/**
+	 * The comment text.
+	 *
+	 * @property {String}
+	 */
+	this.value = value;
+
+	/** @private */
+	this._ = {
+		isBlockLike: false
+	};
+};
+
+CKEDITOR.htmlParser.comment.prototype = CKEDITOR.tools.extend( new CKEDITOR.htmlParser.node(), {
+	/**
+	 * The node type. This is a constant value set to {@link CKEDITOR#NODE_COMMENT}.
+	 *
+	 * @readonly
+	 * @property {Number} [=CKEDITOR.NODE_COMMENT]
+	 */
+	type: CKEDITOR.NODE_COMMENT,
+
+	/**
+	 * Filter this comment with given filter.
+	 *
+	 * @since 4.1
+	 * @param {CKEDITOR.htmlParser.filter} filter
+	 * @returns {Boolean} Method returns `false` when this comment has
+	 * been removed or replaced with other node. This is an information for
+	 * {@link CKEDITOR.htmlParser.element#filterChildren} that it has
+	 * to repeat filter on current position in parent's children array.
+	 */
+	filter: function( filter ) {
+		var comment = this.value;
+
+		if ( !( comment = filter.onComment( comment, this ) ) ) {
+			this.remove();
+			return false;
+		}
+
+		if ( typeof comment != 'string' ) {
+			this.replaceWith( comment );
+			return false;
+		}
+
+		this.value = comment;
+
+		return true;
+	},
+
+	/**
+	 * Writes the HTML representation of this comment to a CKEDITOR.htmlWriter.
+	 *
+	 * @param {CKEDITOR.htmlParser.basicWriter} writer The writer to which write the HTML.
+	 * @param {CKEDITOR.htmlParser.filter} [filter] The filter to be applied to this node.
+	 * **Note:** it's unsafe to filter offline (not appended) node.
+	 */
+	writeHtml: function( writer, filter ) {
+		if ( filter )
+			this.filter( filter );
+
+		writer.comment( this.value );
+	}
+} );