mirror of
https://github.com/status-im/Vulkan-Docs.git
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56 lines
2.0 KiB
Ruby
56 lines
2.0 KiB
Ruby
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# Copyright (c) 2016-2017 The Khronos Group Inc.
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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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require 'asciidoctor/extensions' unless RUBY_ENGINE == 'opal'
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include ::Asciidoctor
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class ReplaceMathjaxWithKatex < Extensions::Postprocessor
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MathJaXScript = /<script type="text\/x-mathjax-config">((?!<\/script>).)+<\/script>/m
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MathJaXCDN = '<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.6.0/MathJax.js?config=TeX-MML-AM_HTMLorMML"></script>'
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def process document, output
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if document.attr? 'stem'
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katexpath = document.attr 'katexpath'
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katexScript = '<link rel="stylesheet" href="' + katexpath + '/katex.min.css">
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<script src="' + katexpath + '/katex.min.js"></script>
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<script src="' + katexpath + '/contrib/auto-render.min.js"></script>
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<!-- Use KaTeX to render math once document is loaded, see
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https://github.com/Khan/KaTeX/tree/master/contrib/auto-render -->
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<script>
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document.addEventListener("DOMContentLoaded", function () {
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renderMathInElement(
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document.body,
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{
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delimiters: [
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{ left: "$$", right: "$$", display: true},
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{ left: "\\\\\[", right: "\\\\\]", display: true},
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{ left: "$", right: "$", display: false},
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{ left: "\\\\\(", right: "\\\\\)", display: false}
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]
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}
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);
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});
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</script>'
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output.sub! MathJaXScript, ''
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output.sub! MathJaXCDN, ''
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output.sub! /(?=<\/head>)/, katexScript
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end
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output
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end
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end
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