mirror of
https://github.com/Jermolene/TiddlyWiki5
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59 lines
1.2 KiB
JavaScript
59 lines
1.2 KiB
JavaScript
/*\
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title: $:/core/modules/parsers/wikiparser/rules/codeblock.js
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type: application/javascript
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module-type: wikirule
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Wiki text rule for code blocks. For example:
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```
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```
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This text will not be //wikified//
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```
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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 $tw: false */
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"use strict";
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exports.name = "codeblock";
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exports.types = {block: true};
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exports.init = function(parser) {
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this.parser = parser;
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// Regexp to match and get language if defined
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this.matchRegExp = /```([\w-]*)\r?\n/mg;
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};
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exports.parse = function() {
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var reEnd = /(\r?\n```$)/mg;
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// Move past the match
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this.parser.pos = this.matchRegExp.lastIndex;
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// Look for the end of the block
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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 block
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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 the $codeblock widget
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return [{
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type: "element",
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tag: "$codeblock",
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attributes: {
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code: {type: "string", value: text},
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language: {type: "string", value: this.match[1]}
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}
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}];
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};
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})();
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