Adding mapbox-gl branch

2015-03-16 18:50:27 +01:00
parent 7985f030fa
commit 57ee7f52fd
3109 changed files with 943365 additions and 0 deletions
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+// Copyright 2013 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 HTML processing utilities for HTML in string form.
+ */
+
+goog.provide('goog.html.utils');
+
+goog.require('goog.string');
+
+
+/**
+ * Extracts plain text from HTML.
+ *
+ * This behaves similarly to extracting textContent from a hypothetical DOM
+ * element containing the specified HTML.  Block-level elements such as div are
+ * surrounded with whitespace, but inline elements are not.  Span is treated as
+ * a block level element because it is often used as a container.  Breaking
+ * spaces are compressed and trimmed.
+ *
+ * @param {string} value The input HTML to have tags removed.
+ * @return {string} The plain text of value without tags, HTML comments, or
+ *     other non-text content.  Does NOT return safe HTML!
+ */
+goog.html.utils.stripHtmlTags = function(value) {
+  // TODO(user): Make a version that extracts text attributes such as alt.
+  return goog.string.unescapeEntities(goog.string.trim(value.replace(
+      goog.html.utils.HTML_TAG_REGEX_, function(fullMatch, tagName) {
+        return goog.html.utils.INLINE_HTML_TAG_REGEX_.test(tagName) ? '' : ' ';
+      }).
+      replace(/[\t\n ]+/g, ' ')));
+};
+
+
+/**
+ * Matches all tags that do not require extra space.
+ *
+ * @const
+ * @private {RegExp}
+ */
+goog.html.utils.INLINE_HTML_TAG_REGEX_ =
+    /^(?:abbr|acronym|address|b|em|i|small|strong|su[bp]|u)$/i;
+
+
+/**
+ * Matches all tags, HTML comments, and DOCTYPEs in tag soup HTML.
+ * By removing these, and replacing any '<' or '>' characters with
+ * entities we guarantee that the result can be embedded into
+ * an attribute without introducing a tag boundary.
+ *
+ * @private {RegExp}
+ * @const
+ */
+goog.html.utils.HTML_TAG_REGEX_ = /<[!\/]?([a-z0-9]+)([\/ ][^>]*)?>/gi;