mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-08-26 03:26:45 +00:00
55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
/*\
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title: $:/core/modules/parsers/newwikitextparser/runrules/wikilink.js
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type: application/javascript
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module-type: wikitextrunrule
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Wiki text run rule for wiki links
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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 = "wikilink";
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var textPrimitives = {
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upperLetter: "[A-Z\u00c0-\u00de\u0150\u0170]",
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lowerLetter: "[a-z0-9_\\-\u00df-\u00ff\u0151\u0171]",
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anyLetter: "[A-Za-z0-9_\\-\u00c0-\u00de\u00df-\u00ff\u0150\u0170\u0151\u0171]",
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anyLetterStrict: "[A-Za-z0-9\u00c0-\u00de\u00df-\u00ff\u0150\u0170\u0151\u0171]"
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};
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textPrimitives.unWikiLink = "~";
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textPrimitives.wikiLink = "(?:(?:" + textPrimitives.upperLetter + "+" +
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textPrimitives.lowerLetter + "+" +
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textPrimitives.upperLetter +
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textPrimitives.anyLetter + "*)|(?:" +
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textPrimitives.upperLetter + "{2,}" +
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textPrimitives.lowerLetter + "+))";
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exports.regExpString = textPrimitives.unWikiLink+"?"+textPrimitives.wikiLink;
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exports.parse = function(match) {
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this.pos = match.index + match[0].length;
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// If the link starts with the unwikilink character then just output it as plain text
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if(match[0].substr(0,1) === textPrimitives.unWikiLink) {
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return [$tw.Tree.Text(match[0].substr(1))];
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}
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// If the link has been preceded with a letter then don't treat it as a link
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if(match.index > 0) {
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var preRegExp = new RegExp(textPrimitives.anyLetterStrict,"mg");
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preRegExp.lastIndex = match.index-1;
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var preMatch = preRegExp.exec(this.source);
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if(preMatch && preMatch.index === match.index-1) {
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return [$tw.Tree.Text(match[0])];
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}
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}
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var macroNode = $tw.Tree.Macro("link",{to: match[0]},[$tw.Tree.Text(match[0])],this.wiki);
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this.dependencies.mergeDependencies(macroNode.dependencies);
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return [macroNode];
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};
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})();
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