text: /**
   * @license
   * Copyright The Closure Library Authors.
   * SPDX-License-Identifier: Apache-2.0
   */
  
  /**
   * @fileoverview DOM pattern to match a tag and all of its children.
   */
  
  
  // TODO(user): We're trying to migrate all ES5 subclasses of Closure
  // Library to ES6. In ES6 this cannot be referenced before super is called. This
  // file has at least one this before a super call (in ES5) and cannot be
  // automatically upgraded to ES6 as a result. Please fix this if you have a
  // chance. Note: This can sometimes be caused by not calling the super
  // constructor at all. You can run the conversion tool yourself to see what it
  // does on this file: blaze run //javascript/refactoring/es6_classes:convert.
  
  goog.provide('goog.dom.pattern.FullTag');
  
  goog.require('goog.dom.pattern.MatchType');
  goog.require('goog.dom.pattern.StartTag');
  goog.require('goog.dom.pattern.Tag');
  
  
  
  /**
   * Pattern object that matches a full tag including all its children.
   *
   * @param {string|RegExp} tag Name of the tag.  Also will accept a regular
   *     expression to match against the tag name.
   * @param {Object=} opt_attrs Optional map of attribute names to desired values.
   *     This pattern will only match when all attributes are present and match
   *     the string or regular expression value provided here.
   * @param {Object=} opt_styles Optional map of CSS style names to desired
   *     values. This pattern will only match when all styles are present and
   *     match the string or regular expression value provided here.
   * @param {Function=} opt_test Optional function that takes the element as a
   *     parameter and returns true if this pattern should match it.
   * @constructor
   * @extends {goog.dom.pattern.StartTag}
   * @final
   */
  goog.dom.pattern.FullTag = function(tag, opt_attrs, opt_styles, opt_test) {
    /**
     * Tracks the matcher's depth to detect the end of the tag.
     *
     * @private {number}
     */
    this.depth_ = 0;
  
    goog.dom.pattern.FullTag.base(
        this, 'constructor', tag, opt_attrs, opt_styles, opt_test);
  };
  goog.inherits(goog.dom.pattern.FullTag, goog.dom.pattern.StartTag);
  
  
  /**
   * Test whether the given token is a start tag token which matches the tag name,
   * style, and attributes provided in the constructor.
   *
   * @param {Node} token Token to match against.
   * @param {goog.dom.TagWalkType} type The type of token.
   * @return {goog.dom.pattern.MatchType} <code>MATCH</code> at the end of our
   *    tag, <code>MATCHING</code> if we are within the tag, and
   *    <code>NO_MATCH</code> if the starting tag does not match.
   * @override
   */
  goog.dom.pattern.FullTag.prototype.matchToken = function(token, type) {
    if (!this.depth_) {
      // If we have not yet started, make sure we match as a StartTag.
      if (goog.dom.pattern.Tag.prototype.matchToken.call(this, token, type)) {
        this.depth_ = type;
        return goog.dom.pattern.MatchType.MATCHING;
  
      } else {
        return goog.dom.pattern.MatchType.NO_MATCH;
      }
    } else {
      this.depth_ += type;
  
      return this.depth_ ? goog.dom.pattern.MatchType.MATCHING :
                           goog.dom.pattern.MatchType.MATCH;
    }
  };
  