first approach to wlxml library

[fnpeditor.git] / src / smartxml / smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index 0c76cd2..96fcdfe 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -5,56 +5,189 @@ define([
 'use strict';
 
 
-var parseXML = function(xml) {
-    return $(xml)[0];
-}
+var TEXT_NODE = Node.TEXT_NODE, ELEMENT_NODE = Node.ELEMENT_NODE;
 
-var Document = function(nativeNode) {
-    var $document = $(nativeNode);
 
+var DocumentNode = function(nativeNode, document) {
+    this.document = document;
+    this.nativeNode = nativeNode;
+    this._$ = $(nativeNode);
+};
 
-    Object.defineProperty(this, 'root', {get: function() { return new ElementNode($document[0])}}); 
-}
+$.extend(DocumentNode.prototype, {
+    detach: function() { this._$.detach(); },
 
+    sameNode: function(otherNode) {
+        return this.nativeNode === otherNode.nativeNode;
+    },
+
+    parent: function() {
+        return this.nativeNode.parentNode ? this.document.createElementNode(this.nativeNode.parentNode) : null;
+    },
+
+    before: function(node) {
+        this._$.before(node.nativeNode);
+    },
+
+    wrapWith: function(node) {
+        if(this.parent())
+            this.before(node);
+        node.append(this);
+    },
+});
 
 var ElementNode = function(nativeNode) {
-    this.nativeNode = nativeNode;
-    this._$ = $(nativeNode);
+    DocumentNode.apply(this, arguments);
 };
 
-$.extend(ElementNode.prototype, {
+$.extend(ElementNode.prototype, DocumentNode.prototype, {
+    nodeType: Node.ELEMENT_NODE,
+
     getTagName: function() {
         return this.nativeNode.tagName.toLowerCase();
     },
 
-    append: function(documentNode) {
-        this._$.append(documentNode.nativeNode);
-    },
-
     contents: function() {
-        var toret = [];
+        var toret = [],
+            document = this.document;
         this._$.contents().each(function() {
             if(this.nodeType === Node.ELEMENT_NODE)
-                toret.push(new ElementNode(this));
+                toret.push(document.createElementNode(this));
+            else if(this.nodeType === Node.TEXT_NODE)
+                toret.push(document.createTextNode(this));
         });
         return toret;
     },
 
+    indexOf: function(node) {
+        return this._$.contents().index(node._$);
+    },
 
-    sameNode: function(otherNode) {
-        return this.nativeNode === otherNode.nativeNode;
+    getAttr: function(name) {
+        return this._$.attr(name);
+    },
+
+    setAttr: function(name, value) {
+        this._$.attr(name, value);
+    },
+
+    getAttrs: function() {
+        var toret = [];
+        for(var i = 0; i < this.nativeNode.attributes.length; i++) {
+            toret.push(this.nativeNode.attributes[i]);
+        }
+        return toret;
+    },
+
+    append: function(documentNode) {
+        this._$.append(documentNode.nativeNode);
+    },
+
+    unwrapContent: function() {
+        var parent = this.parent();
+        if(!parent)
+            return;
+
+        var parentContents = parent.contents(),
+            myContents = this.contents(),
+            myIdx = parent.indexOf(this);
+
+        if(myContents.length === 0)
+            return this.detach();
+
+        var moveLeftRange, moveRightRange, leftMerged;
+
+        if(myIdx > 0 && (parentContents[myIdx-1].nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) {
+            parentContents[myIdx-1].appendText(myContents[0].getText());
+            myContents[0].detach();
+            moveLeftRange = true;
+            leftMerged = true;
+        } else {
+            leftMerged = false;
+        }
+
+        if(!(leftMerged && myContents.length === 1)) {
+            if(myIdx < parentContents.length - 1 && (parentContents[myIdx+1].nodeType === TEXT_NODE) && (myContents[myContents.length-1].nodeType === TEXT_NODE)) {
+                parentContents[myIdx+1].prependText(myContents[myContents.length-1].getText());
+                myContents[myContents.length-1].detach();
+                moveRightRange = true;
+            }
+        }
+
+        var childrenLength = this.contents().length;
+        this.contents().forEach(function(child) {
+            this.before(child);
+        }.bind(this));
+
+        this.detach();
+
+        return {
+            element1: parent.contents()[myIdx + (moveLeftRange ? -1 : 0)],
+            element2: parent.contents()[myIdx + childrenLength-1 + (moveRightRange ? 1 : 0)]
+        };
+    }
+
+});
+
+var TextNode = function(nativeNode) {
+    DocumentNode.apply(this, arguments);
+};
+
+$.extend(TextNode.prototype, DocumentNode.prototype, {
+    nodeType: Node.TEXT_NODE,
+
+    getText: function() {
+        return this.nativeNode.data;
+    },
+
+    appendText: function(text) {
+        this.nativeNode.data = this.nativeNode.data + text;
+    },
+
+    prependText: function(text) {
+        this.nativeNode.data = text + this.nativeNode.data;
     }
+});
+
+
+var parseXML = function(xml) {
+    return $(xml)[0];
+};
+
+var Document = function(xml) {
+    var $document = $(parseXML(xml));
+
+    var doc = this;
+    Object.defineProperty(this, 'root', {get: function() {
+        return doc.createElementNode($document[0]);
+    }});
+};
+$.extend(Document.prototype, {
+    ElementNodeFactory: ElementNode,
+    TextNodeFactory: TextNode,
+
+    createElementNode: function(nativeNode) {
+        return new this.ElementNodeFactory(nativeNode, this);
+    },
 
+    createTextNode: function(nativeNode) {
+        return new this.TextNodeFactory(nativeNode, this);
+    }
 });
 
+
 return {
     documentFromXML: function(xml) {
         return new Document(parseXML(xml));
     },
 
     elementNodeFromXML: function(xml) {
-        return new ElementNode(parseXML(xml));
-    }
+        return this.documentFromXML(xml).root;
+    },
+
+    Document: Document,
+    DocumentNode: DocumentNode,
+    ElementNode: ElementNode
 };
 
 });
\ No newline at end of file