| // Copyright 2007 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| /** |
| * @fileoverview DOM pattern base class. |
| * |
| * @author robbyw@google.com (Robby Walker) |
| */ |
| |
| goog.provide('goog.dom.pattern.AbstractPattern'); |
| |
| goog.require('goog.dom.pattern.MatchType'); |
| |
| |
| |
| /** |
| * Base pattern class for DOM matching. |
| * |
| * @constructor |
| */ |
| goog.dom.pattern.AbstractPattern = function() { |
| }; |
| |
| |
| /** |
| * The first node matched by this pattern. |
| * @type {Node} |
| */ |
| goog.dom.pattern.AbstractPattern.prototype.matchedNode = null; |
| |
| |
| /** |
| * Reset any internal state this pattern keeps. |
| */ |
| goog.dom.pattern.AbstractPattern.prototype.reset = function() { |
| // The base implementation does nothing. |
| }; |
| |
| |
| /** |
| * Test whether this pattern matches the given token. |
| * |
| * @param {Node} token Token to match against. |
| * @param {goog.dom.TagWalkType} type The type of token. |
| * @return {goog.dom.pattern.MatchType} {@code MATCH} if the pattern matches. |
| */ |
| goog.dom.pattern.AbstractPattern.prototype.matchToken = function(token, type) { |
| return goog.dom.pattern.MatchType.NO_MATCH; |
| }; |