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codeblock.html
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<!-- Copyright 2014 Google Inc. 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.
-->
<!-- Code Block
Code block elements are used to wrap program fragments in C++.
For improved source clarity, this element removes leading and trailing
whitespace from its contents.
This element also prevents the HTML parser from ending a surrounding <p> tag
when it sees the opening <pre>.
TODO: This could call into a syntax highlighter that styles
comments correctly.
-->
<polymer-element name="cxx-codeblock">
<template>
<style>
:host { display: block; }
</style>
<pre><code><content></content></code></pre>
</template>
<script>
Polymer('cxx-codeblock', {
attached: function() {
if (this.firstChild.nodeType == Node.TEXT_NODE)
this.firstChild.nodeValue = this.firstChild.nodeValue.replace(/^\s+/, '');
if (this.lastChild.nodeType == Node.TEXT_NODE)
this.lastChild.nodeValue = this.lastChild.nodeValue.replace(/\s+$/, '');
}
});
</script>
</polymer-element>