diff options
Diffstat (limited to 'contexts/data/lib/closure-library/closure/goog/dom/pattern/repeat.js')
-rw-r--r-- | contexts/data/lib/closure-library/closure/goog/dom/pattern/repeat.js | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/contexts/data/lib/closure-library/closure/goog/dom/pattern/repeat.js b/contexts/data/lib/closure-library/closure/goog/dom/pattern/repeat.js deleted file mode 100644 index 5a47de0..0000000 --- a/contexts/data/lib/closure-library/closure/goog/dom/pattern/repeat.js +++ /dev/null @@ -1,190 +0,0 @@ -// 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 to match a tag and all of its children. - * - * @author robbyw@google.com (Robby Walker) - */ - -goog.provide('goog.dom.pattern.Repeat'); - -goog.require('goog.dom.NodeType'); -goog.require('goog.dom.pattern.AbstractPattern'); -goog.require('goog.dom.pattern.MatchType'); - - - -/** - * Pattern object that matches a repetition of another pattern. - * @param {goog.dom.pattern.AbstractPattern} pattern The pattern to - * repetitively match. - * @param {number=} opt_minimum The minimum number of times to match. Defaults - * to 0. - * @param {number=} opt_maximum The maximum number of times to match. Defaults - * to unlimited. - * @constructor - * @extends {goog.dom.pattern.AbstractPattern} - */ -goog.dom.pattern.Repeat = function(pattern, - opt_minimum, - opt_maximum) { - this.pattern_ = pattern; - this.minimum_ = opt_minimum || 0; - this.maximum_ = opt_maximum || null; - this.matches = []; -}; -goog.inherits(goog.dom.pattern.Repeat, goog.dom.pattern.AbstractPattern); - - -/** - * Pattern to repetitively match. - * - * @type {goog.dom.pattern.AbstractPattern} - * @private - */ -goog.dom.pattern.Repeat.prototype.pattern_; - - -/** - * Minimum number of times to match the pattern. - * - * @private - */ -goog.dom.pattern.Repeat.prototype.minimum_ = 0; - - -/** - * Optional maximum number of times to match the pattern. A {@code null} value - * will be treated as infinity. - * - * @type {?number} - * @private - */ -goog.dom.pattern.Repeat.prototype.maximum_ = 0; - - -/** - * Number of times the pattern has matched. - * - * @type {number} - */ -goog.dom.pattern.Repeat.prototype.count = 0; - - -/** - * Whether the pattern has recently matched or failed to match and will need to - * be reset when starting a new round of matches. - * - * @type {boolean} - * @private - */ -goog.dom.pattern.Repeat.prototype.needsReset_ = false; - - -/** - * The matched nodes. - * - * @type {Array.<Node>} - */ -goog.dom.pattern.Repeat.prototype.matches; - - -/** - * Test whether the given token continues a repeated series of matches of the - * pattern given 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> if the pattern - * matches, <code>BACKTRACK_MATCH</code> if the pattern does not match - * but already had accumulated matches, <code>MATCHING</code> if the pattern - * starts a match, and <code>NO_MATCH</code> if the pattern does not match. - * @suppress {missingProperties} See the broken line below. - * @override - */ -goog.dom.pattern.Repeat.prototype.matchToken = function(token, type) { - // Reset if we're starting a new match - if (this.needsReset_) { - this.reset(); - } - - // If the option is set, ignore any whitespace only text nodes - if (token.nodeType == goog.dom.NodeType.TEXT && - token.nodeValue.match(/^\s+$/)) { - return goog.dom.pattern.MatchType.MATCHING; - } - - switch (this.pattern_.matchToken(token, type)) { - case goog.dom.pattern.MatchType.MATCH: - // Record the first token we match. - if (this.count == 0) { - this.matchedNode = token; - } - - // Mark the match - this.count++; - - // Add to the list - this.matches.push(this.pattern_.matchedNode); - - // Check if this match hits our maximum - if (this.maximum_ !== null && this.count == this.maximum_) { - this.needsReset_ = true; - return goog.dom.pattern.MatchType.MATCH; - } else { - return goog.dom.pattern.MatchType.MATCHING; - } - - case goog.dom.pattern.MatchType.MATCHING: - // This can happen when our child pattern is a sequence or a repetition. - return goog.dom.pattern.MatchType.MATCHING; - - case goog.dom.pattern.MatchType.BACKTRACK_MATCH: - // This happens if our child pattern is repetitive too. - // TODO(robbyw): Backtrack further if necessary. - this.count++; - - // NOTE(nicksantos): This line of code is broken. this.patterns_ doesn't - // exist, and this.currentPosition_ doesn't exit. When this is fixed, - // remove the missingProperties suppression above. - if (this.currentPosition_ == this.patterns_.length) { - this.needsReset_ = true; - return goog.dom.pattern.MatchType.BACKTRACK_MATCH; - } else { - // Retry the same token on the next iteration of the child pattern. - return this.matchToken(token, type); - } - - default: - this.needsReset_ = true; - if (this.count >= this.minimum_) { - return goog.dom.pattern.MatchType.BACKTRACK_MATCH; - } else { - return goog.dom.pattern.MatchType.NO_MATCH; - } - } -}; - - -/** - * Reset any internal state this pattern keeps. - * @override - */ -goog.dom.pattern.Repeat.prototype.reset = function() { - this.pattern_.reset(); - this.count = 0; - this.needsReset_ = false; - this.matches.length = 0; -}; |