Adding mapbox-gl branch
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// Copyright 2014 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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goog.provide('goog.labs.html.AttributeRewriter');
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goog.provide('goog.labs.html.AttributeValue');
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goog.provide('goog.labs.html.attributeRewriterPresubmitWorkaround');
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/**
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* The type of an attribute value.
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* <p>
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* Many HTML attributes contain structured data like URLs, CSS, or even entire
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* HTML documents, so the type is a union of several variants.
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*
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* @typedef {(string |
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* goog.html.SafeHtml | goog.html.SafeStyle | goog.html.SafeUrl)}
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*/
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goog.labs.html.AttributeValue;
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/**
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* A function that takes an attribute value, and returns a safe value.
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* <p>
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* Since rewriters can be chained, a rewriter must be able to accept the output
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* of another rewriter, instead of just a string though a rewriter that coerces
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* its input to a string before checking its safety will fail safe.
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* <p>
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* The meaning of the result is:
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* <table>
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* <tr><td>{@code null}</td>
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* <td>Unsafe. The attribute should not be output.</tr>
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* <tr><td>a string</td>
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* <td>The plain text (not HTML-entity encoded) of a safe attribute
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* value.</td>
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* <tr><td>a {@link goog.html.SafeHtml}</td>
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* <td>A fragment that is safe to be included as embedded HTML as in
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* {@code <iframe srchtml="...">}</td></tr>
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* <tr><td>a {@link goog.html.SafeUrl}</td>
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* <td>A URL that does not need to be further checked against the URL
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* white-list.</td></tr>
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* <tr><td>a {@link goog.html.SafeStyle}</td>
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* <td>A safe value for a <code>style="..."</code> attribute.</td></tr>
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* </table>
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* <p>
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* Implementations are responsible for making sure that "safe" complies with
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* the contract established by the safe string types in {@link goog.html}.
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* </p>
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*
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* @typedef {function(goog.labs.html.AttributeValue) :
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* goog.labs.html.AttributeValue}
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*/
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goog.labs.html.AttributeRewriter;
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/**
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* g4 presubmit complains about requires of this file because its clients
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* don't use any symbols from it outside JSCompiler comment annotations.
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* genjsdeps.sh doesn't generate the right dependency graph unless this
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* file is required.
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* Clients can mention this noop.
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*/
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goog.labs.html.attributeRewriterPresubmitWorkaround = function() {};
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