mirror of
https://github.com/Jermolene/TiddlyWiki5
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80 lines
1.4 KiB
JavaScript
80 lines
1.4 KiB
JavaScript
/*\
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title: $:/core/modules/parsers/wikiparser/rules/emphasis.js
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type: application/javascript
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module-type: wikirule
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Wiki text inline rule for emphasis. For example:
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```
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This is ''bold'' text
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This is //italic// text
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This is __underlined__ text
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This is ^^superscript^^ text
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This is ,,subscript,, text
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This is ~~strikethrough~~ text
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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 = "emphasis";
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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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// Figure out which element and closing regexp to use
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var tag,reEnd;
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switch(this.match[0]) {
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case "''": // Bold
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tag = "strong";
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reEnd = /''/mg;
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break;
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case "//": // Italics
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tag = "em";
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reEnd = /\/\//mg;
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break;
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case "__": // Underline
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tag = "u";
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reEnd = /__/mg;
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break;
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case "^^": // Superscript
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tag = "sup";
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reEnd = /\^\^/mg;
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break;
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case ",,": // Subscript
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tag = "sub";
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reEnd = /,,/mg;
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break;
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case "~~": // Strikethrough
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tag = "strike";
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reEnd = /~~/mg;
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break;
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}
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// Parse the run including the terminator
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var tree = this.parser.parseInlineRun(reEnd,{eatTerminator: true});
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// Return the classed span
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return [{
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type: "element",
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tag: tag,
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children: tree
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}];
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};
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})();
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