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https://github.com/showdownjs/showdown.git
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f7a429e8db
QML has a bug that changes the behavior or String.search(). This prevents blocks from being correctly unhashified. This commit works around that bug, using RegExp.test instead of String.search. Credits to @qyvlik Closes #246, Closes #338
71 lines
2.2 KiB
JavaScript
71 lines
2.2 KiB
JavaScript
/**
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*
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*/
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showdown.subParser('paragraphs', function (text, options, globals) {
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'use strict';
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text = globals.converter._dispatch('paragraphs.before', text, options, globals);
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// Strip leading and trailing lines:
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text = text.replace(/^\n+/g, '');
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text = text.replace(/\n+$/g, '');
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var grafs = text.split(/\n{2,}/g),
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grafsOut = [],
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end = grafs.length; // Wrap <p> tags
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for (var i = 0; i < end; i++) {
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var str = grafs[i];
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// if this is an HTML marker, copy it
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if (str.search(/¨(K|G)(\d+)\1/g) >= 0) {
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grafsOut.push(str);
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// test for presence of characters to prevent empty lines being parsed
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// as paragraphs (resulting in undesired extra empty paragraphs)
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} else if (str.search(/\S/) >= 0) {
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str = showdown.subParser('spanGamut')(str, options, globals);
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str = str.replace(/^([ \t]*)/g, '<p>');
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str += '</p>';
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grafsOut.push(str);
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}
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}
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/** Unhashify HTML blocks */
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end = grafsOut.length;
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for (i = 0; i < end; i++) {
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var blockText = '',
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grafsOutIt = grafsOut[i],
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codeFlag = false;
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// if this is a marker for an html block...
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// use RegExp.test instead of string.search because of QML bug
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while (/¨(K|G)(\d+)\1/.test(grafsOutIt)) {
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var delim = RegExp.$1,
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num = RegExp.$2;
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if (delim === 'K') {
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blockText = globals.gHtmlBlocks[num];
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} else {
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// we need to check if ghBlock is a false positive
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if (codeFlag) {
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// use encoded version of all text
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blockText = showdown.subParser('encodeCode')(globals.ghCodeBlocks[num].text, options, globals);
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} else {
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blockText = globals.ghCodeBlocks[num].codeblock;
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}
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}
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blockText = blockText.replace(/\$/g, '$$$$'); // Escape any dollar signs
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grafsOutIt = grafsOutIt.replace(/(\n\n)?¨(K|G)\d+\2(\n\n)?/, blockText);
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// Check if grafsOutIt is a pre->code
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if (/^<pre\b[^>]*>\s*<code\b[^>]*>/.test(grafsOutIt)) {
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codeFlag = true;
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}
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}
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grafsOut[i] = grafsOutIt;
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}
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text = grafsOut.join('\n');
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// Strip leading and trailing lines:
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text = text.replace(/^\n+/g, '');
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text = text.replace(/\n+$/g, '');
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return globals.converter._dispatch('paragraphs.after', text, options, globals);
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});
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