Adding float-no-zero branch hosted build

float-no-zero/closure-library/closure/goog/dom/pattern/callback/callback.js

@@ -0,0 +1,82 @@
+// 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 Useful callback functions for the DOM matcher.
+ *
+ * @author robbyw@google.com (Robby Walker)
+ */
+
+goog.provide('goog.dom.pattern.callback');
+
+goog.require('goog.dom');
+goog.require('goog.dom.TagWalkType');
+goog.require('goog.iter');
+
+
+/**
+ * Callback function for use in {@link goog.dom.pattern.Matcher.addPattern}
+ * that removes the matched node from the tree.  Should be used in conjunciton
+ * with a {@link goog.dom.pattern.StartTag} pattern.
+ *
+ * @param {Node} node The node matched by the pattern.
+ * @param {goog.dom.TagIterator} position The position where the match
+ *     finished.
+ * @return {boolean} Returns true to indicate tree changes were made.
+ */
+goog.dom.pattern.callback.removeNode = function(node, position) {
+  // Find out which position would be next.
+  position.setPosition(node, goog.dom.TagWalkType.END_TAG);
+
+  goog.iter.nextOrValue(position, null);
+
+  // Remove the node.
+  goog.dom.removeNode(node);
+
+  // Correct for the depth change.
+  position.depth -= 1;
+
+  // Indicate that we made position/tree changes.
+  return true;
+};
+
+
+/**
+ * Callback function for use in {@link goog.dom.pattern.Matcher.addPattern}
+ * that removes the matched node from the tree and replaces it with its
+ * children.  Should be used in conjunction with a
+ * {@link goog.dom.pattern.StartTag} pattern.
+ *
+ * @param {Element} node The node matched by the pattern.
+ * @param {goog.dom.TagIterator} position The position where the match
+ *     finished.
+ * @return {boolean} Returns true to indicate tree changes were made.
+ */
+goog.dom.pattern.callback.flattenElement = function(node, position) {
+  // Find out which position would be next.
+  position.setPosition(node, node.firstChild ?
+      goog.dom.TagWalkType.START_TAG :
+      goog.dom.TagWalkType.END_TAG);
+
+  goog.iter.nextOrValue(position, null);
+
+  // Flatten the node.
+  goog.dom.flattenElement(node);
+
+  // Correct for the depth change.
+  position.depth -= 1;
+
+  // Indicate that we made position/tree changes.
+  return true;
+};