mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-07-08 21:14:25 +00:00
83 lines
2.3 KiB
JavaScript
83 lines
2.3 KiB
JavaScript
/*\
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title: $:/core/modules/parsers/newwikitextparser/rules/html.js
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type: application/javascript
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module-type: wikitextrule
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Wiki text block rule for block and run level HTML elements. For example:
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{{{
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<aside>
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This is an HTML5 aside element
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</aside>
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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 = "html";
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exports.blockParser = true;
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exports.runParser = true;
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exports.regExpString = "<[A-Za-z]+\\s*[^>]*>";
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exports.parse = function(match,isBlock) {
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var reStart = /<([A-Za-z]+)(\s*[^>]*)>/mg,
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reLineBreak = /(\r?\n)/mg,
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reAttr = /\s*([A-Za-z\-_]+)(?:\s*=\s*(?:("[^"]*")|('[^']*')|([^"'\s]+)))?/mg;
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// Process the start regexp to get the attribute portion
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reStart.lastIndex = this.pos;
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var startMatch = reStart.exec(this.source);
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if(startMatch && startMatch.index === this.pos) {
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// Process the attributes
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var attrMatch = reAttr.exec(startMatch[2]),
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attributes = {};
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while(attrMatch) {
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var name = attrMatch[1],
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value;
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if(attrMatch[2]) { // Double quoted
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value = attrMatch[2].substring(1,attrMatch[2].length-1);
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} else if(attrMatch[3]) { // Single quoted
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value = attrMatch[3].substring(1,attrMatch[3].length-1);
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} else if(attrMatch[4]) { // Unquoted
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value = attrMatch[4];
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} else { // Valueless
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value = true; // TODO: We should have a way of indicating we want an attribute without a value
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}
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attributes[name] = value;
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attrMatch = reAttr.exec(startMatch[2]);
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}
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this.pos = startMatch.index + startMatch[0].length;
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// Check for a line break immediate after the opening tag
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reLineBreak.lastIndex = this.pos;
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var lineBreakMatch = reLineBreak.exec(this.source);
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if(lineBreakMatch && lineBreakMatch.index === this.pos) {
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this.pos = lineBreakMatch.index + lineBreakMatch[0].length;
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isBlock = true;
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} else {
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isBlock = false;
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}
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var reEndString = "(</" + startMatch[1] + ">)",
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reEnd = new RegExp(reEndString,"mg"),
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content;
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if(isBlock) {
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content = this.parseBlocks(reEndString);
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} else {
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content = this.parseRun(reEnd);
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}
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var element = $tw.Tree.Element(startMatch[1],attributes,content);
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reEnd.lastIndex = this.pos;
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match = reEnd.exec(this.source);
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if(match && match.index === this.pos) {
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this.pos = match.index + match[0].length;
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}
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return [element];
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}
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};
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})();
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