79 lines
1.5 KiB
JavaScript
79 lines
1.5 KiB
JavaScript
/*\
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title: $:/core/modules/parsers/wikitextparser/rules/emphasis.js
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type: application/javascript
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module-type: wikitextrule
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Wiki text run 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 $tw: false */
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"use strict";
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exports.name = "emphasis";
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exports.runParser = true;
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exports.regExpString = "''|\/\/|__|\\^\\^|~~|--(?!\\s|$)";
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exports.parse = function(match,isBlock) {
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this.pos = match.index + match[0].length;
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var el,regExp;
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switch(match[0]) {
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case "''": // Bold
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el = "strong";
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regExp = /('')|(\r?\n)/mg;
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break;
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case "//": // Italics
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el = "em";
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regExp = /(\/\/)|(\r?\n)/mg;
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break;
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case "__": // Underline
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el = "u";
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regExp = /(__)|(\r?\n)/mg;
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break;
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case "^^":
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el = "sup";
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regExp = /(\^\^)|(\r?\n)/mg;
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break;
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case "~~":
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el = "sub";
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regExp = /(~~)|(\r?\n)/mg;
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break;
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case "--":
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el = "strike";
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regExp = /(--)|(\r?\n)/mg;
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break;
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}
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// Parse the run up to the terminator
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var tree = this.parseRun(regExp,{leaveTerminator: true});
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// Check for the terminator
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regExp.lastIndex = this.pos;
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match = regExp.exec(this.source);
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if(match && match.index === this.pos) {
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// Only consume the terminator if it isn't a line break
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if(match[1]) {
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this.pos = match.index + match[0].length;
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}
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}
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return [$tw.Tree.Element(el,{},tree)];
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};
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})();
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