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TiddlyWiki5/core/modules/parsers/tiddlytextparser.js

65 lines
1.6 KiB
JavaScript

/*\
title: $:/core/modules/parsers/tiddlytextparser.js
type: application/javascript
module-type: parser
Parses a plain text block that can also contain macros and transclusions.
The syntax for transclusions is:
[[tiddlerTitle]]
The syntax for macros is:
<<macroName params>>
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
var TiddlyTextParser = function(options) {
this.wiki = options.wiki;
};
TiddlyTextParser.prototype.parse = function(type,text) {
var output = [],
dependencies = new $tw.Dependencies(),
macroRegExp = /(?:\[\[([^\]]+)\]\])|(?:<<(?:([!@£\$%\^\&\*\(\)`\~'"\|\\\/;\:\.\,\+\=\-\_\{\}])|([^>\s]+))(?:\s*)((?:[^>]|(?:>(?!>)))*)>>((?:\r?\n)?))/mg,
lastMatchPos = 0,
match,
macroNode;
do {
match = macroRegExp.exec(text);
if(match) {
output.push($tw.Tree.Text(text.substring(lastMatchPos,match.index)));
var macroName = match[2] || match[3];
if(match[1]) { // Transclusion
macroNode = $tw.Tree.Macro("tiddler",{
srcParams: {target: match[1]},
wiki: this.wiki
});
} else if(macroName) { // Macro call
macroNode = $tw.Tree.Macro(macroName,{
srcParams: match[4],
wiki: this.wiki,
isBlock: !!match[5]
});
}
output.push(macroNode);
dependencies.mergeDependencies(macroNode.dependencies);
lastMatchPos = match.index + match[0].length;
} else {
output.push($tw.Tree.Text(text.substr(lastMatchPos)));
}
} while(match);
return new $tw.Renderer(output,dependencies);
};
exports["text/vnd.tiddlywiki-css"] = TiddlyTextParser;
exports["text/vnd.tiddlywiki-html"] = TiddlyTextParser;
})();