mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-11-18 15:54:50 +00:00
61 lines
1.2 KiB
JavaScript
61 lines
1.2 KiB
JavaScript
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/*\
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title: $:/plugins/tiddlywiki/katex/latex-parser.js
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type: application/javascript
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module-type: wikirule
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Wiki text inline rule for LaTeX. For example:
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```
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$$latex-goes-here$$
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```
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This wikiparser can be modified using the rules eg:
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```
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\rules except latex-parser
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\rules only latex-parser
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```
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\*/
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(function(){
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/*jslint node: true, browser: true */
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/*global $tw: false */
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"use strict";
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exports.name = "latex-parser";
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exports.types = {inline: true};
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exports.init = function(parser) {
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this.parser = parser;
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// Regexp to match
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this.matchRegExp = /\$\$(?!\$)/mg;
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};
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exports.parse = function() {
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// Move past the match
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this.parser.pos = this.matchRegExp.lastIndex;
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var reEnd = /\$\$/mg;
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// Look for the end marker
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reEnd.lastIndex = this.parser.pos;
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var match = reEnd.exec(this.parser.source),
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text;
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// Process the text
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if(match) {
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text = this.parser.source.substring(this.parser.pos,match.index);
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this.parser.pos = match.index + match[0].length;
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} else {
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text = this.parser.source.substr(this.parser.pos);
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this.parser.pos = this.parser.sourceLength;
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}
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return [{
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type: "latex",
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attributes: {
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text: {
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type: "text",
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value: text
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}}
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}];
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};
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})();
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