90 lines
2.2 KiB
JavaScript
90 lines
2.2 KiB
JavaScript
/*\
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title: $:/core/modules/parsers/wikiparser/rules/transcludeblock.js
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type: application/javascript
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module-type: wikirule
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Wiki text rule for block-level transclusion. For example:
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```
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{{MyTiddler}}
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{{MyTiddler||TemplateTitle}}
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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 $tw: false */
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"use strict";
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exports.name = "transcludeblock";
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exports.types = {block: true};
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exports.init = function(parser) {
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this.parser = parser;
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// Regexp to match
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this.matchRegExp = /\{\{([^\{\}\|]*)(?:\|\|([^\|\{\}]+))?(?:\|([^\{\}]+))?\}\}(?:\r?\n|$)/mg;
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};
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exports.parse = function() {
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// Move past the match
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this.parser.pos = this.matchRegExp.lastIndex;
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// Get the match details
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var template = $tw.utils.trim(this.match[2]),
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textRef = $tw.utils.trim(this.match[1]),
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params = this.match[3] ? this.match[3].split("|") : [];
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// Prepare the transclude widget
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var transcludeNode = {
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type: "transclude",
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attributes: {},
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isBlock: true
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};
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$tw.utils.each(params,function(paramValue,index) {
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var name = "" + index;
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transcludeNode.attributes[name] = {
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name: name,
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type: "string",
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value: paramValue
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}
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});
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// Prepare the tiddler widget
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var tr, targetTitle, targetField, targetIndex, tiddlerNode;
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if(textRef) {
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tr = $tw.utils.parseTextReference(textRef);
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targetTitle = tr.title;
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targetField = tr.field;
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targetIndex = tr.index;
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tiddlerNode = {
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type: "tiddler",
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attributes: {
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tiddler: {name: "tiddler", type: "string", value: targetTitle}
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},
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isBlock: true,
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children: [transcludeNode]
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};
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}
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if(template) {
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transcludeNode.attributes["$tiddler"] = {name: "$tiddler", type: "string", value: template};
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if(textRef) {
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return [tiddlerNode];
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} else {
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return [transcludeNode];
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}
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} else {
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if(textRef) {
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transcludeNode.attributes["$tiddler"] = {name: "$tiddler", type: "string", value: targetTitle};
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if(targetField) {
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transcludeNode.attributes["$field"] = {name: "$field", type: "string", value: targetField};
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}
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if(targetIndex) {
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transcludeNode.attributes["$index"] = {name: "$index", type: "string", value: targetIndex};
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}
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return [tiddlerNode];
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} else {
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return [transcludeNode];
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}
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}
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};
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})();
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