TiddlyWiki5/core/modules/parsers/wikiparser/rules/heading.js

47 wiersze
1.0 KiB
JavaScript

/*\
title: $:/core/modules/parsers/wikiparser/rules/heading.js
type: application/javascript
module-type: wikirule
Wiki text block rule for headings
\*/
(function(){
/*jslint node: true, browser: true */
/*global $tw: false */
"use strict";
exports.name = "heading";
exports.types = {block: true};
exports.init = function(parser) {
this.parser = parser;
// Regexp to match
this.matchRegExp = /(!{1,6})/mg;
};
/*
Parse the most recent match
*/
exports.parse = function() {
// Get all the details of the match
var headingLevel = this.match[1].length;
// Move past the !s
this.parser.pos = this.matchRegExp.lastIndex;
// Parse any classes, whitespace and then the heading itself
var classes = this.parser.parseClasses();
this.parser.skipWhitespace({treatNewlinesAsNonWhitespace: true});
var tree = this.parser.parseInlineRun(/(\r?\n)/mg);
// Return the heading
return [{
type: "element",
tag: "h" + this.match[1].length,
attributes: {
"class": {type: "string", value: classes.join(" ")}
},
children: tree
}];
};
})();