From b6dfb6c447cf502e694d299dbda1b2e092c3312d Mon Sep 17 00:00:00 2001 From: wei <> Date: Wed, 5 Jul 2006 07:35:50 +0000 Subject: move tests to test_tools --- test_tools/selenium/core/xpath/dom.js | 428 ++++++++++++++++++++++++++++++++++ 1 file changed, 428 insertions(+) create mode 100644 test_tools/selenium/core/xpath/dom.js (limited to 'test_tools/selenium/core/xpath/dom.js') diff --git a/test_tools/selenium/core/xpath/dom.js b/test_tools/selenium/core/xpath/dom.js new file mode 100644 index 00000000..85e0ab08 --- /dev/null +++ b/test_tools/selenium/core/xpath/dom.js @@ -0,0 +1,428 @@ +// Copyright 2005 Google Inc. +// All Rights Reserved +// +// An XML parse and a minimal DOM implementation that just supportes +// the subset of the W3C DOM that is used in the XSLT implementation. +// +// References: +// +// [DOM] W3C DOM Level 3 Core Specification +// . +// +// +// Author: Steffen Meschkat + +// NOTE: The split() method in IE omits empty result strings. This is +// utterly annoying. So we don't use it here. + +// Resolve entities in XML text fragments. According to the DOM +// specification, the DOM is supposed to resolve entity references at +// the API level. I.e. no entity references are passed through the +// API. See "Entities and the DOM core", p.12, DOM 2 Core +// Spec. However, different browsers actually pass very different +// values at the API. +// +function xmlResolveEntities(s) { + + var parts = stringSplit(s, '&'); + + var ret = parts[0]; + for (var i = 1; i < parts.length; ++i) { + var rp = stringSplit(parts[i], ';'); + if (rp.length == 1) { + // no entity reference: just a & but no ; + ret += parts[i]; + continue; + } + + var ch; + switch (rp[0]) { + case 'lt': + ch = '<'; + break; + case 'gt': + ch = '>'; + break; + case 'amp': + ch = '&'; + break; + case 'quot': + ch = '"'; + break; + case 'apos': + ch = '\''; + break; + case 'nbsp': + ch = String.fromCharCode(160); + break; + default: + // Cool trick: let the DOM do the entity decoding. We assign + // the entity text through non-W3C DOM properties and read it + // through the W3C DOM. W3C DOM access is specified to resolve + // entities. + var span = window.document.createElement('span'); + span.innerHTML = '&' + rp[0] + '; '; + ch = span.childNodes[0].nodeValue.charAt(0); + } + ret += ch + rp[1]; + } + + return ret; +} + + +// Parses the given XML string with our custom, JavaScript XML parser. Written +// by Steffen Meschkat (mesch@google.com). +function xmlParse(xml) { + Timer.start('xmlparse'); + var regex_empty = /\/$/; + + // See also for + // allowed chars in a tag and attribute name. TODO(mesch): the + // following is still not completely correct. + + var regex_tagname = /^([\w:-]*)/; + var regex_attribute = /([\w:-]+)\s?=\s?('([^\']*)'|"([^\"]*)")/g; + + var xmldoc = new XDocument(); + var root = xmldoc; + + // For the record: in Safari, we would create native DOM nodes, but + // in Opera that is not possible, because the DOM only allows HTML + // element nodes to be created, so we have to do our own DOM nodes. + + // xmldoc = document.implementation.createDocument('','',null); + // root = xmldoc; // .createDocumentFragment(); + // NOTE(mesch): using the DocumentFragment instead of the Document + // crashes my Safari 1.2.4 (v125.12). + var stack = []; + + var parent = root; + stack.push(parent); + + var x = stringSplit(xml, '<'); + for (var i = 1; i < x.length; ++i) { + var xx = stringSplit(x[i], '>'); + var tag = xx[0]; + var text = xmlResolveEntities(xx[1] || ''); + + if (tag.charAt(0) == '/') { + stack.pop(); + parent = stack[stack.length-1]; + + } else if (tag.charAt(0) == '?') { + // Ignore XML declaration and processing instructions + } else if (tag.charAt(0) == '!') { + // Ignore notation and comments + } else { + var empty = tag.match(regex_empty); + var tagname = regex_tagname.exec(tag)[1]; + var node = xmldoc.createElement(tagname); + + var att; + while (att = regex_attribute.exec(tag)) { + var val = xmlResolveEntities(att[3] || att[4] || ''); + node.setAttribute(att[1], val); + } + + if (empty) { + parent.appendChild(node); + } else { + parent.appendChild(node); + parent = node; + stack.push(node); + } + } + + if (text && parent != root) { + parent.appendChild(xmldoc.createTextNode(text)); + } + } + + Timer.end('xmlparse'); + return root; +} + + +// Our W3C DOM Node implementation. Note we call it XNode because we +// can't define the identifier Node. We do this mostly for Opera, +// where we can't reuse the HTML DOM for parsing our own XML, and for +// Safari, where it is too expensive to have the template processor +// operate on native DOM nodes. +function XNode(type, name, value, owner) { + this.attributes = []; + this.childNodes = []; + + XNode.init.call(this, type, name, value, owner); +} + +// Don't call as method, use apply() or call(). +XNode.init = function(type, name, value, owner) { + this.nodeType = type - 0; + this.nodeName = '' + name; + this.nodeValue = '' + value; + this.ownerDocument = owner; + + this.firstChild = null; + this.lastChild = null; + this.nextSibling = null; + this.previousSibling = null; + this.parentNode = null; +} + +XNode.unused_ = []; + +XNode.recycle = function(node) { + if (!node) { + return; + } + + if (node.constructor == XDocument) { + XNode.recycle(node.documentElement); + return; + } + + if (node.constructor != this) { + return; + } + + XNode.unused_.push(node); + for (var a = 0; a < node.attributes.length; ++a) { + XNode.recycle(node.attributes[a]); + } + for (var c = 0; c < node.childNodes.length; ++c) { + XNode.recycle(node.childNodes[c]); + } + node.attributes.length = 0; + node.childNodes.length = 0; + XNode.init.call(node, 0, '', '', null); +} + +XNode.create = function(type, name, value, owner) { + if (XNode.unused_.length > 0) { + var node = XNode.unused_.pop(); + XNode.init.call(node, type, name, value, owner); + return node; + } else { + return new XNode(type, name, value, owner); + } +} + +XNode.prototype.appendChild = function(node) { + // firstChild + if (this.childNodes.length == 0) { + this.firstChild = node; + } + + // previousSibling + node.previousSibling = this.lastChild; + + // nextSibling + node.nextSibling = null; + if (this.lastChild) { + this.lastChild.nextSibling = node; + } + + // parentNode + node.parentNode = this; + + // lastChild + this.lastChild = node; + + // childNodes + this.childNodes.push(node); +} + + +XNode.prototype.replaceChild = function(newNode, oldNode) { + if (oldNode == newNode) { + return; + } + + for (var i = 0; i < this.childNodes.length; ++i) { + if (this.childNodes[i] == oldNode) { + this.childNodes[i] = newNode; + + var p = oldNode.parentNode; + oldNode.parentNode = null; + newNode.parentNode = p; + + p = oldNode.previousSibling; + oldNode.previousSibling = null; + newNode.previousSibling = p; + if (newNode.previousSibling) { + newNode.previousSibling.nextSibling = newNode; + } + + p = oldNode.nextSibling; + oldNode.nextSibling = null; + newNode.nextSibling = p; + if (newNode.nextSibling) { + newNode.nextSibling.previousSibling = newNode; + } + + if (this.firstChild == oldNode) { + this.firstChild = newNode; + } + + if (this.lastChild == oldNode) { + this.lastChild = newNode; + } + + break; + } + } +} + +XNode.prototype.insertBefore = function(newNode, oldNode) { + if (oldNode == newNode) { + return; + } + + if (oldNode.parentNode != this) { + return; + } + + if (newNode.parentNode) { + newNode.parentNode.removeChild(newNode); + } + + var newChildren = []; + for (var i = 0; i < this.childNodes.length; ++i) { + var c = this.childNodes[i]; + if (c == oldNode) { + newChildren.push(newNode); + + newNode.parentNode = this; + + newNode.previousSibling = oldNode.previousSibling; + oldNode.previousSibling = newNode; + if (newNode.previousSibling) { + newNode.previousSibling.nextSibling = newNode; + } + + newNode.nextSibling = oldNode; + + if (this.firstChild == oldNode) { + this.firstChild = newNode; + } + } + newChildren.push(c); + } + this.childNodes = newChildren; +} + +XNode.prototype.removeChild = function(node) { + var newChildren = []; + for (var i = 0; i < this.childNodes.length; ++i) { + var c = this.childNodes[i]; + if (c != node) { + newChildren.push(c); + } else { + if (c.previousSibling) { + c.previousSibling.nextSibling = c.nextSibling; + } + if (c.nextSibling) { + c.nextSibling.previousSibling = c.previousSibling; + } + if (this.firstChild == c) { + this.firstChild = c.nextSibling; + } + if (this.lastChild == c) { + this.lastChild = c.previousSibling; + } + } + } + this.childNodes = newChildren; +} + + +XNode.prototype.hasAttributes = function() { + return this.attributes.length > 0; +} + + +XNode.prototype.setAttribute = function(name, value) { + for (var i = 0; i < this.attributes.length; ++i) { + if (this.attributes[i].nodeName == name) { + this.attributes[i].nodeValue = '' + value; + return; + } + } + this.attributes.push(new XNode(DOM_ATTRIBUTE_NODE, name, value)); +} + + +XNode.prototype.getAttribute = function(name) { + for (var i = 0; i < this.attributes.length; ++i) { + if (this.attributes[i].nodeName == name) { + return this.attributes[i].nodeValue; + } + } + return null; +} + +XNode.prototype.removeAttribute = function(name) { + var a = []; + for (var i = 0; i < this.attributes.length; ++i) { + if (this.attributes[i].nodeName != name) { + a.push(this.attributes[i]); + } + } + this.attributes = a; +} + + +function XDocument() { + XNode.call(this, DOM_DOCUMENT_NODE, '#document', null, this); + this.documentElement = null; +} + +XDocument.prototype = new XNode(DOM_DOCUMENT_NODE, '#document'); + +XDocument.prototype.clear = function() { + XNode.recycle(this.documentElement); + this.documentElement = null; +} + +XDocument.prototype.appendChild = function(node) { + XNode.prototype.appendChild.call(this, node); + this.documentElement = this.childNodes[0]; +} + +XDocument.prototype.createElement = function(name) { + return XNode.create(DOM_ELEMENT_NODE, name, null, this); +} + +XDocument.prototype.createDocumentFragment = function() { + return XNode.create(DOM_DOCUMENT_FRAGMENT_NODE, '#document-fragment', + null, this); +} + +XDocument.prototype.createTextNode = function(value) { + return XNode.create(DOM_TEXT_NODE, '#text', value, this); +} + +XDocument.prototype.createAttribute = function(name) { + return XNode.create(DOM_ATTRIBUTE_NODE, name, null, this); +} + +XDocument.prototype.createComment = function(data) { + return XNode.create(DOM_COMMENT_NODE, '#comment', data, this); +} + +XNode.prototype.getElementsByTagName = function(name, list) { + if (!list) { + list = []; + } + + if (this.nodeName == name) { + list.push(this); + } + + for (var i = 0; i < this.childNodes.length; ++i) { + this.childNodes[i].getElementsByTagName(name, list); + } + + return list; +} -- cgit v1.2.3