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fix(underline): Make underline lazy 

fix underline if literalMidwordUnderscores option is enabled
it should end at the nearest closing underscores, not the furthest
pull/607/head
Vladimir Vuksanovic 2018-10-21 15:20:39 +02:00
parent 4da93e8e13
commit 81edc70da7
7 changed files with 85 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

132
dist/showdown.js vendored
View File

@ -1,5 +1,5 @@
;/*! showdown v 2.0.0-alpha1 - 25-09-2018 */
(function(){
;/*! showdown v 2.0.0-alpha1 - 21-10-2018 */
(function(){
/**
* Created by Tivie on 13-07-2015.
*/
@ -187,7 +187,7 @@ function allOptionsOn () {
}
return ret;
}
/**
* Created by Tivie on 06-01-2015.
*/
@ -567,7 +567,7 @@ showdown.validateExtension = function (ext) {
}
return true;
};
/**
* showdownjs helper functions
*/
@ -2255,7 +2255,7 @@ showdown.helper.emojis = {
'octocat': '<img width="20" height="20" align="absmiddle" src="https://assets-cdn.github.com/images/icons/emoji/octocat.png">',
'showdown': '<img width="20" height="20" align="absmiddle" src="data:image/png;base64,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">'
};
/**
* These are all the transformations that form block-level
* tags like paragraphs, headers, and list items.
@ -2288,7 +2288,7 @@ showdown.subParser('makehtml.blockGamut', function (text, options, globals) {
return text;
});
showdown.subParser('makehtml.blockQuotes', function (text, options, globals) {
'use strict';
@ -2331,7 +2331,7 @@ showdown.subParser('makehtml.blockQuotes', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.blockQuotes.after', text, options, globals).getText();
return text;
});
/**
* Process Markdown `<pre><code>` blocks.
*/
@ -2370,7 +2370,7 @@ showdown.subParser('makehtml.codeBlocks', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.codeBlocks.after', text, options, globals).getText();
return text;
});
/**
*
* * Backtick quotes are used for <code></code> spans.
@ -2419,7 +2419,7 @@ showdown.subParser('makehtml.codeSpans', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.codeSpans.after', text, options, globals).getText();
return text;
});
/**
* Turn Markdown link shortcuts into XHTML <a> tags.
*/
@ -2482,7 +2482,7 @@ showdown.subParser('makehtml.completeHTMLDocument', function (text, options, glo
text = globals.converter._dispatch('makehtml.completeHTMLDocument.after', text, options, globals).getText();
return text;
});
/**
* Convert all tabs to spaces
*/
@ -2516,7 +2516,7 @@ showdown.subParser('makehtml.detab', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.detab.after', text, options, globals).getText();
return text;
});
showdown.subParser('makehtml.ellipsis', function (text, options, globals) {
'use strict';
@ -2528,7 +2528,7 @@ showdown.subParser('makehtml.ellipsis', function (text, options, globals) {
return text;
});
/**
* These are all the transformations that occur *within* block-level
* tags like paragraphs, headers, and list items.
@ -2555,7 +2555,7 @@ showdown.subParser('makehtml.emoji', function (text, options, globals) {
return text;
});
/**
* Smart processing for ampersands and angle brackets that need to be encoded.
*/
@ -2579,7 +2579,7 @@ showdown.subParser('makehtml.encodeAmpsAndAngles', function (text, options, glob
text = globals.converter._dispatch('makehtml.encodeAmpsAndAngles.after', text, options, globals).getText();
return text;
});
/**
* Returns the string, with after processing the following backslash escape sequences.
*
@ -2601,7 +2601,7 @@ showdown.subParser('makehtml.encodeBackslashEscapes', function (text, options, g
text = globals.converter._dispatch('makehtml.encodeBackslashEscapes.after', text, options, globals).getText();
return text;
});
/**
* Encode/escape certain characters inside Markdown code runs.
* The point is that in code, these characters are literals,
@ -2625,7 +2625,7 @@ showdown.subParser('makehtml.encodeCode', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.encodeCode.after', text, options, globals).getText();
return text;
});
/**
* Within tags -- meaning between < and > -- encode [\ ` * _ ~ =] so they
* don't conflict with their use in Markdown for code, italics and strong.
@ -2652,7 +2652,7 @@ showdown.subParser('makehtml.escapeSpecialCharsWithinTagAttributes', function (t
text = globals.converter._dispatch('makehtml.escapeSpecialCharsWithinTagAttributes.after', text, options, globals).getText();
return text;
});
/**
* Handle github codeblocks prior to running HashHTML so that
* HTML contained within the codeblock gets escaped properly
@ -2699,7 +2699,7 @@ showdown.subParser('makehtml.githubCodeBlocks', function (text, options, globals
return globals.converter._dispatch('makehtml.githubCodeBlocks.after', text, options, globals).getText();
});
showdown.subParser('makehtml.hashBlock', function (text, options, globals) {
'use strict';
text = globals.converter._dispatch('makehtml.hashBlock.before', text, options, globals).getText();
@ -2708,7 +2708,7 @@ showdown.subParser('makehtml.hashBlock', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.hashBlock.after', text, options, globals).getText();
return text;
});
/**
* Hash and escape <code> elements that should not be parsed as markdown
*/
@ -2727,7 +2727,7 @@ showdown.subParser('makehtml.hashCodeTags', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.hashCodeTags.after', text, options, globals).getText();
return text;
});
showdown.subParser('makehtml.hashElement', function (text, options, globals) {
'use strict';
@ -2747,7 +2747,7 @@ showdown.subParser('makehtml.hashElement', function (text, options, globals) {
return blockText;
};
});
showdown.subParser('makehtml.hashHTMLBlocks', function (text, options, globals) {
'use strict';
text = globals.converter._dispatch('makehtml.hashHTMLBlocks.before', text, options, globals).getText();
@ -2846,7 +2846,7 @@ showdown.subParser('makehtml.hashHTMLBlocks', function (text, options, globals)
text = globals.converter._dispatch('makehtml.hashHTMLBlocks.after', text, options, globals).getText();
return text;
});
/**
* Hash span elements that should not be parsed as markdown
*/
@ -2905,7 +2905,7 @@ showdown.subParser('makehtml.unhashHTMLSpans', function (text, options, globals)
text = globals.converter._dispatch('makehtml.unhashHTMLSpans.after', text, options, globals).getText();
return text;
});
/**
* Hash and escape <pre><code> elements that should not be parsed as markdown
*/
@ -2925,7 +2925,7 @@ showdown.subParser('makehtml.hashPreCodeTags', function (text, options, globals)
text = globals.converter._dispatch('makehtml.hashPreCodeTags.after', text, options, globals).getText();
return text;
});
showdown.subParser('makehtml.headers', function (text, options, globals) {
'use strict';
@ -3052,7 +3052,7 @@ showdown.subParser('makehtml.headers', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.headers.after', text, options, globals).getText();
return text;
});
/**
* Turn Markdown link shortcuts into XHTML <a> tags.
*/
@ -3068,7 +3068,7 @@ showdown.subParser('makehtml.horizontalRule', function (text, options, globals)
text = globals.converter._dispatch('makehtml.horizontalRule.after', text, options, globals).getText();
return text;
});
/**
* Turn Markdown image shortcuts into <img> tags.
*/
@ -3173,7 +3173,7 @@ showdown.subParser('makehtml.images', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.images.after', text, options, globals).getText();
return text;
});
showdown.subParser('makehtml.italicsAndBold', function (text, options, globals) {
'use strict';
@ -3240,7 +3240,7 @@ showdown.subParser('makehtml.italicsAndBold', function (text, options, globals)
text = globals.converter._dispatch('makehtml.italicsAndBold.after', text, options, globals).getText();
return text;
});
////
// makehtml/links.js
// Copyright (c) 2018 ShowdownJS
@ -3660,7 +3660,7 @@ showdown.subParser('makehtml.italicsAndBold', function (text, options, globals)
return text;
});
})();
/**
* Form HTML ordered (numbered) and unordered (bulleted) lists.
*/
@ -3877,7 +3877,7 @@ showdown.subParser('makehtml.lists', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.lists.after', text, options, globals).getText();
return text;
});
/**
* Parse metadata at the top of the document
*/
@ -3927,7 +3927,7 @@ showdown.subParser('makehtml.metadata', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.metadata.after', text, options, globals).getText();
return text;
});
/**
* Remove one level of line-leading tabs or spaces
*/
@ -3945,7 +3945,7 @@ showdown.subParser('makehtml.outdent', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.outdent.after', text, options, globals).getText();
return text;
});
/**
*
*/
@ -4016,7 +4016,7 @@ showdown.subParser('makehtml.paragraphs', function (text, options, globals) {
text = text.replace(/\n+$/g, '');
return globals.converter._dispatch('makehtml.paragraphs.after', text, options, globals).getText();
});
/**
* Run extension
*/
@ -4037,7 +4037,7 @@ showdown.subParser('makehtml.runExtension', function (ext, text, options, global
return text;
});
/**
* These are all the transformations that occur *within* block-level
* tags like paragraphs, headers, and list items.
@ -4088,7 +4088,7 @@ showdown.subParser('makehtml.spanGamut', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.spanGamut.after', text, options, globals).getText();
return text;
});
showdown.subParser('makehtml.strikethrough', function (text, options, globals) {
'use strict';
@ -4100,7 +4100,7 @@ showdown.subParser('makehtml.strikethrough', function (text, options, globals) {
return text;
});
/**
* Strips link definitions from text, stores the URLs and titles in
* hash references.
@ -4154,7 +4154,7 @@ showdown.subParser('makehtml.stripLinkDefinitions', function (text, options, glo
return text;
});
showdown.subParser('makehtml.tables', function (text, options, globals) {
'use strict';
@ -4298,7 +4298,7 @@ showdown.subParser('makehtml.tables', function (text, options, globals) {
return text;
});
showdown.subParser('makehtml.underline', function (text, options, globals) {
'use strict';
@ -4309,11 +4309,17 @@ showdown.subParser('makehtml.underline', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.underline.before', text, options, globals).getText();
if (options.literalMidWordUnderscores) {
text = text.replace(/\b_?__(\S[\s\S]*)___?\b/g, function (wm, txt) {
text = text.replace(/\b___(\S[\s\S]*?)___\b/g, function (wm, txt) {
return '<u>' + txt + '</u>';
});
text = text.replace(/\b__(\S[\s\S]*?)__\b/g, function (wm, txt) {
return '<u>' + txt + '</u>';
});
} else {
text = text.replace(/_?__(\S[\s\S]*?)___?/g, function (wm, m) {
text = text.replace(/___(\S[\s\S]*?)___/g, function (wm, m) {
return (/\S$/.test(m)) ? '<u>' + m + '</u>' : wm;
});
text = text.replace(/__(\S[\s\S]*?)__/g, function (wm, m) {
return (/\S$/.test(m)) ? '<u>' + m + '</u>' : wm;
});
}
@ -4325,7 +4331,7 @@ showdown.subParser('makehtml.underline', function (text, options, globals) {
return text;
});
/**
* Swap back in all the special characters we've hidden.
*/
@ -4341,7 +4347,7 @@ showdown.subParser('makehtml.unescapeSpecialChars', function (text, options, glo
text = globals.converter._dispatch('makehtml.unescapeSpecialChars.after', text, options, globals).getText();
return text;
});
showdown.subParser('makeMarkdown.blockquote', function (node, globals) {
'use strict';
@ -4364,7 +4370,7 @@ showdown.subParser('makeMarkdown.blockquote', function (node, globals) {
txt = '> ' + txt.split('\n').join('\n> ');
return txt;
});
showdown.subParser('makeMarkdown.codeBlock', function (node, globals) {
'use strict';
@ -4372,13 +4378,13 @@ showdown.subParser('makeMarkdown.codeBlock', function (node, globals) {
num = node.getAttribute('precodenum');
return '```' + lang + '\n' + globals.preList[num] + '\n```';
});
showdown.subParser('makeMarkdown.codeSpan', function (node) {
'use strict';
return '`' + node.innerHTML + '`';
});
showdown.subParser('makeMarkdown.emphasis', function (node, globals) {
'use strict';
@ -4394,7 +4400,7 @@ showdown.subParser('makeMarkdown.emphasis', function (node, globals) {
}
return txt;
});
showdown.subParser('makeMarkdown.header', function (node, globals, headerLevel) {
'use strict';
@ -4412,13 +4418,13 @@ showdown.subParser('makeMarkdown.header', function (node, globals, headerLevel)
}
return txt;
});
showdown.subParser('makeMarkdown.hr', function () {
'use strict';
return '---';
});
showdown.subParser('makeMarkdown.image', function (node) {
'use strict';
@ -4437,7 +4443,7 @@ showdown.subParser('makeMarkdown.image', function (node) {
}
return txt;
});
showdown.subParser('makeMarkdown.links', function (node, globals) {
'use strict';
@ -4458,7 +4464,7 @@ showdown.subParser('makeMarkdown.links', function (node, globals) {
}
return txt;
});
showdown.subParser('makeMarkdown.list', function (node, globals, type) {
'use strict';
@ -4490,7 +4496,7 @@ showdown.subParser('makeMarkdown.list', function (node, globals, type) {
return txt.trim();
});
showdown.subParser('makeMarkdown.listItem', function (node, globals) {
'use strict';
@ -4516,7 +4522,7 @@ showdown.subParser('makeMarkdown.listItem', function (node, globals) {
return listItemTxt;
});
showdown.subParser('makeMarkdown.node', function (node, globals, spansOnly) {
@ -4637,7 +4643,7 @@ showdown.subParser('makeMarkdown.node', function (node, globals, spansOnly) {
return txt;
});
showdown.subParser('makeMarkdown.paragraph', function (node, globals) {
'use strict';
@ -4655,14 +4661,14 @@ showdown.subParser('makeMarkdown.paragraph', function (node, globals) {
return txt;
});
showdown.subParser('makeMarkdown.pre', function (node, globals) {
'use strict';
var num = node.getAttribute('prenum');
return '<pre>' + globals.preList[num] + '</pre>';
});
showdown.subParser('makeMarkdown.strikethrough', function (node, globals) {
'use strict';
@ -4678,7 +4684,7 @@ showdown.subParser('makeMarkdown.strikethrough', function (node, globals) {
}
return txt;
});
showdown.subParser('makeMarkdown.strong', function (node, globals) {
'use strict';
@ -4694,7 +4700,7 @@ showdown.subParser('makeMarkdown.strong', function (node, globals) {
}
return txt;
});
showdown.subParser('makeMarkdown.table', function (node, globals) {
'use strict';
@ -4765,7 +4771,7 @@ showdown.subParser('makeMarkdown.table', function (node, globals) {
return txt.trim();
});
showdown.subParser('makeMarkdown.tableCell', function (node, globals) {
'use strict';
@ -4781,7 +4787,7 @@ showdown.subParser('makeMarkdown.tableCell', function (node, globals) {
}
return txt.trim();
});
showdown.subParser('makeMarkdown.txt', function (node) {
'use strict';
@ -4825,7 +4831,7 @@ showdown.subParser('makeMarkdown.txt', function (node) {
return txt;
});
/**
* Created by Estevao on 31-05-2015.
*/
@ -5428,7 +5434,7 @@ showdown.Converter = function (converterOptions) {
metadata.raw = raw;
};
};
var root = this;
// AMD Loader
@ -5446,6 +5452,6 @@ if (typeof define === 'function' && define.amd) {
} else {
root.showdown = showdown;
}
}).call(this);
}).call(this);
//# sourceMappingURL=showdown.js.map
//# sourceMappingURL=showdown.js.map

2
dist/showdown.js.map vendored
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6
dist/showdown.min.js vendored
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2
dist/showdown.min.js.map vendored
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10
src/subParsers/makehtml/underline.js
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@ -8,11 +8,17 @@ showdown.subParser('makehtml.underline', function (text, options, globals) {
text = globals.converter._dispatch('makehtml.underline.before', text, options, globals).getText();
if (options.literalMidWordUnderscores) {
text = text.replace(/\b_?__(\S[\s\S]*)___?\b/g, function (wm, txt) {
text = text.replace(/\b___(\S[\s\S]*?)___\b/g, function (wm, txt) {
return '<u>' + txt + '</u>';
});
text = text.replace(/\b__(\S[\s\S]*?)__\b/g, function (wm, txt) {
return '<u>' + txt + '</u>';
});
} else {
text = text.replace(/_?__(\S[\s\S]*?)___?/g, function (wm, m) {
text = text.replace(/___(\S[\s\S]*?)___/g, function (wm, m) {
return (/\S$/.test(m)) ? '<u>' + m + '</u>' : wm;
});
text = text.replace(/__(\S[\s\S]*?)__/g, function (wm, m) {
return (/\S$/.test(m)) ? '<u>' + m + '</u>' : wm;
});
}

1
test/functional/makehtml/cases/features/underline/simple.html
View File

@ -2,3 +2,4 @@
<p><u>an underlined sentence</u></p>
<p><u>three underscores are fine</u></p>
<p>_single_ underscores are left alone</p>
<p><u>multiple</u> underlines in a <u>paragraph</u></p>

2
test/functional/makehtml/cases/features/underline/simple.md
View File

@ -5,3 +5,5 @@ __an underlined sentence__
___three underscores are fine___
_single_ underscores are left alone
__multiple__ underlines in a __paragraph__