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49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
/**
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* Process Markdown `<pre><code>` blocks.
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*/
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showdown.subParser('codeBlocks', function (text, options, globals) {
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'use strict';
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/*
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text = text.replace(text,
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/(?:\n\n|^)
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( // $1 = the code block -- one or more lines, starting with a space/tab
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(?:
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(?:[ ]{4}|\t) // Lines must start with a tab or a tab-width of spaces - attacklab: g_tab_width
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.*\n+
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)+
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)
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(\n*[ ]{0,3}[^ \t\n]|(?=~0)) // attacklab: g_tab_width
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/g,function(){...});
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*/
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// attacklab: sentinel workarounds for lack of \A and \Z, safari\khtml bug
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text += '~0';
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var pattern = /(?:\n\n|^)((?:(?:[ ]{4}|\t).*\n+)+)(\n*[ ]{0,3}[^ \t\n]|(?=~0))/g;
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text = text.replace(pattern, function (wholeMatch, m1, m2) {
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var codeblock = m1,
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nextChar = m2,
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end = '\n';
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codeblock = showdown.subParser('outdent')(codeblock);
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codeblock = showdown.subParser('encodeCode')(codeblock);
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codeblock = showdown.subParser('detab')(codeblock);
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codeblock = codeblock.replace(/^\n+/g, ''); // trim leading newlines
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codeblock = codeblock.replace(/\n+$/g, ''); // trim trailing newlines
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if (options.omitExtraWLInCodeBlocks) {
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end = '';
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}
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codeblock = '<pre><code>' + codeblock + end + '</code></pre>';
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return showdown.subParser('hashBlock')(codeblock, options, globals) + nextChar;
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});
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// attacklab: strip sentinel
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text = text.replace(/~0/, '');
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return text;
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});
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