Text-slicer: initial support for anchors

plugins/tiddlywiki/text-slicer/modules/slicer.js

@@ -17,13 +17,13 @@ var SLICER_OUTPUT_TITLE = "$:/TextSlicer";
 function Slicer(wiki,sourceTitle) {
 	this.wiki = wiki;
 	this.sourceTitle = sourceTitle;
-	this.currentId = 0;
 	this.iframe = null; // Reference to iframe used for HTML parsing
 	this.stopWordList = "the and a of on i".split(" ");
 	this.tiddlers = {};
 	this.parentStack = [];
 	this.sliceTitle = null;
 	this.slicers = $tw.modules.applyMethods("slicer");
+	this.anchors = Object.create(null); // Hashmap of HTML anchor ID to tiddler title
 }
 
 Slicer.prototype.destroy = function() {
@@ -106,6 +106,7 @@ Slicer.prototype.makeUniqueTitle = function(prefix,rawText) {
 	var self = this,
 		cleanText;
 	if(rawText) {
+		// Replace non alpha characters with spaces
 		cleanText = rawText.toLowerCase().replace(/[^\s\xA0]/mg,function($0,$1,$2) {
 			if(($0 >= "a" && $0 <= "z") || ($0 >= "0" && $0 <= "9")) {
 				return $0;
@@ -137,13 +138,16 @@ Slicer.prototype.makeUniqueTitle = function(prefix,rawText) {
 	return title;
 };
 
+Slicer.prototype.registerAnchor = function(id) {
+	this.anchors[id] = this.currentTiddler;
+}
+
 Slicer.prototype.processNodeList = function(domNodeList) {
 	$tw.utils.each(domNodeList,this.processNode.bind(this));
 }
 
 Slicer.prototype.processNode = function(domNode) {
-	var text = $tw.utils.htmlEncode(domNode.textContent),
-		nodeType = domNode.nodeType;
+	var nodeType = domNode.nodeType;
 	if(nodeType === 1) { // DOM element nodes
 		var tagName = domNode.tagName.toLowerCase(),
 			hasProcessed = false;

plugins/tiddlywiki/text-slicer/modules/slicers/anchor.js

@@ -0,0 +1,26 @@
+/*\
+title: $:/plugins/tiddlywiki/text-slicer/modules/slicers/anchor.js
+type: application/javascript
+module-type: slicer
+
+Handle slicing anchor nodes
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+exports.processAnchorNode = function(domNode,tagName) {
+	if(tagName === "a") {
+		var id = domNode.getAttribute("id");
+		if(id) {
+			this.registerAnchor(id);
+		}
+		return true;
+	} 
+	return false;
+};
+
+})();

plugins/tiddlywiki/text-slicer/modules/slicers/heading.js

@@ -31,6 +31,7 @@ exports.processHeadingNode = function(domNode,tagName) {
 				list: [],
 				tags: tags
 			})});
+			this.currentTiddler = title;
 			return true;
 		}
 	}

plugins/tiddlywiki/text-slicer/modules/slicers/item.js

@@ -3,7 +3,7 @@ title: $:/plugins/tiddlywiki/text-slicer/modules/slicers/item.js
 type: application/javascript
 module-type: slicer
 
-Handle slicing heading nodes
+Handle slicing list item nodes
 
 \*/
 (function(){
@@ -30,6 +30,8 @@ exports.processListItemNode = function(domNode,tagName) {
 				list: [],
 				tags: tags
 			});
+			this.currentTiddler = title;
+			this.processNodeList(domNode.childNodes);
 			return true;
 		}
 	}

plugins/tiddlywiki/text-slicer/modules/slicers/list.js

@@ -3,7 +3,7 @@ title: $:/plugins/tiddlywiki/text-slicer/modules/slicers/list.js
 type: application/javascript
 module-type: slicer
 
-Handle slicing heading nodes
+Handle slicing list nodes
 
 \*/
 (function(){
@@ -30,6 +30,7 @@ exports.processListNode = function(domNode,tagName) {
 			list: [],
 			tags: tags
 		})});
+		this.currentTiddler = title;
 		this.processNodeList(domNode.childNodes);
 		this.parentStack.pop();
 		return true;

plugins/tiddlywiki/text-slicer/modules/slicers/paragraph.js

@@ -3,7 +3,7 @@ title: $:/plugins/tiddlywiki/text-slicer/modules/slicers/paragraph.js
 type: application/javascript
 module-type: slicer
 
-Handle slicing heading nodes
+Handle slicing paragraph nodes
 
 \*/
 (function(){
@@ -17,16 +17,18 @@ exports.processParagraphNode = function(domNode,tagName) {
 	if(tagName === "p") {
 		if(!this.isBlank(text)) {
 			var parentTitle = this.parentStack[this.parentStack.length - 1].title,
-				tags = [];
+				tags = [],
+				title = this.makeUniqueTitle("paragraph",text);
 			if(domNode.className.trim() !== "") {
 				tags = tags.concat(domNode.className.split(" "));
 			}
 			this.addToList(parentTitle,this.addTiddler({
 				"toc-type": "paragraph",
-				title: this.makeUniqueTitle("paragraph",text),
+				title: title,
 				text: text,
 				tags: tags
 			}));
+			this.currentTiddler = title;
 			return true;
 		}
 	}