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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* @constructor
* @extends {WebInspector.View}
* @param {!Document} parsedXML
*/
WebInspector.XMLView = function(parsedXML)
{
WebInspector.View.call(this, true);
this.registerRequiredCSS("ui/xmlView.css");
this.contentElement.classList.add("shadow-xml-view", "source-code");
WebInspector.XMLView.Node.populate(new TreeOutline(this.contentElement.createChild("ol")), parsedXML);
}
/**
* @param {string} text
* @param {string} mimeType
* @return {?Document}
*/
WebInspector.XMLView.parseXML = function(text, mimeType)
{
var parsedXML;
try {
parsedXML = (new DOMParser()).parseFromString(text, mimeType);
} catch (e) {
return null;
}
if (parsedXML.body)
return null;
return parsedXML;
}
WebInspector.XMLView.prototype = {
__proto__: WebInspector.View.prototype
}
/**
* @constructor
* @extends {TreeElement}
* @param {!Node} node
* @param {boolean} closeTag
*/
WebInspector.XMLView.Node = function(node, closeTag)
{
TreeElement.call(this, "", null, true);
this._node = node;
this._closeTag = closeTag;
this._populated = false;
this.selectable = false;
this.hasChildren = !closeTag && !!node.childElementCount;
this._updateTitle();
}
/**
* @param {!TreeOutline|!TreeElement} root
* @param {!Node} xmlNode
*/
WebInspector.XMLView.Node.populate = function(root, xmlNode)
{
var node = xmlNode.firstChild;
while (node) {
var currentNode = node;
node = node.nextSibling;
var nodeType = currentNode.nodeType;
// ignore empty TEXT
if (nodeType === 3 && currentNode.nodeValue.match(/\s+/))
continue;
// ignore ATTRIBUTE, ENTITY_REFERENCE, ENTITY, DOCUMENT, DOCUMENT_TYPE, DOCUMENT_FRAGMENT, NOTATION
if ((nodeType !== 1) && (nodeType !== 3) && (nodeType !== 4) && (nodeType !== 7) && (nodeType !== 8))
continue;
root.appendChild(new WebInspector.XMLView.Node(currentNode, false));
}
}
WebInspector.XMLView.Node.prototype = {
_updateTitle: function()
{
var node = this._node;
switch (node.nodeType) {
case 1: // ELEMENT
var tag = node.tagName;
if (this._closeTag) {
this._setTitle(["</" + tag + ">", "shadow-xml-view-tag"]);
return;
}
var titleItems = ["<" + tag, "shadow-xml-view-tag"];
var attributes = node.attributes;
for (var i = 0; i < attributes.length; ++i) {
var attributeNode = attributes.item(i);
titleItems.push(
"\u00a0", "shadow-xml-view-tag",
attributeNode.name, "shadow-xml-view-attribute-name",
"=\"", "shadow-xml-view-tag",
attributeNode.value, "shadow-xml-view-attribute-value",
"\"", "shadow-xml-view-tag")
}
if (!this.expanded) {
if (node.childElementCount) {
titleItems.push(
">", "shadow-xml-view-tag",
"\u2026", "shadow-xml-view-comment",
"</" + tag, "shadow-xml-view-tag");
} else if (this._node.textContent) {
titleItems.push(
">", "shadow-xml-view-tag",
node.textContent, "shadow-xml-view-text",
"</" + tag, "shadow-xml-view-tag");
} else {
titleItems.push(" /", "shadow-xml-view-tag");
}
}
titleItems.push(">", "shadow-xml-view-tag");
this._setTitle(titleItems);
return;
case 3: // TEXT
this._setTitle([node.nodeValue, "shadow-xml-view-text"]);
return;
case 4: // CDATA
this._setTitle([
"<![CDATA[", "shadow-xml-view-cdata",
node.nodeValue, "shadow-xml-view-text",
"]]>", "shadow-xml-view-cdata"]);
return;
case 7: // PROCESSING_INSTRUCTION
this._setTitle(["<?" + node.nodeName + " " + node.nodeValue + "?>", "shadow-xml-view-processing-instruction"]);
return;
case 8: // COMMENT
this._setTitle(["<!--" + node.nodeValue + "-->", "shadow-xml-view-comment"]);
return;
}
},
/**
* @param {!Array.<string>} items
*/
_setTitle: function(items)
{
var titleFragment = createDocumentFragment();
for (var i = 0; i < items.length; i += 2)
titleFragment.createChild("span", items[i + 1]).textContent = items[i];
this.title = titleFragment;
},
onattach: function()
{
this.listItemElement.classList.toggle("shadow-xml-view-close-tag", this._closeTag);
},
onexpand: function()
{
this._updateTitle();
},
oncollapse: function()
{
this._updateTitle();
},
onpopulate: function()
{
if (this._populated || this._closeTag)
return;
WebInspector.XMLView.Node.populate(this, this._node);
this.appendChild(new WebInspector.XMLView.Node(this._node, true));
this._populated = true;
},
__proto__: TreeElement.prototype
}
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