external/webkit r30707

1 files changed, 2105 insertions, 0 deletions

diff --git a/WebCore/dom/XMLTokenizer.cpp b/WebCore/dom/XMLTokenizer.cpp
new file mode 100644
index 0000000..fe7c95a
--- /dev/null
+++ b/WebCore/dom/XMLTokenizer.cpp
@@ -0,0 +1,2105 @@
+/*
+ * Copyright (C) 2000 Peter Kelly (pmk@post.com)
+ * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
+ * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
+ * Copyright (C) 2007 Trolltech ASA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "XMLTokenizer.h"
+
+#include "CDATASection.h"
+#include "CString.h"
+#include "Cache.h"
+#include "CachedScript.h"
+#include "Comment.h"
+#include "DocLoader.h"
+#include "Document.h"
+#include "DocumentFragment.h"
+#include "DocumentType.h"
+#include "EventNames.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "FrameView.h"
+#include "HTMLNames.h"
+#include "HTMLScriptElement.h"
+#include "HTMLStyleElement.h"
+#include "HTMLTokenizer.h"
+#include "ProcessingInstruction.h"
+#include "ResourceError.h"
+#include "ResourceHandle.h"
+#include "ResourceRequest.h"
+#include "ResourceResponse.h"
+#ifndef USE_QXMLSTREAM
+#include <libxml/parser.h>
+#include <libxml/parserInternals.h>
+#else
+#include <QDebug>
+#endif
+#include <wtf/Platform.h>
+#include <wtf/StringExtras.h>
+#include <wtf/Threading.h>
+#include <wtf/Vector.h>
+
+#if ENABLE(XSLT)
+#include <libxslt/xslt.h>
+#endif
+
+#if ENABLE(SVG)
+#include "SVGNames.h"
+#include "SVGStyleElement.h"
+#include "XLinkNames.h"
+#endif
+
+using namespace std;
+
+namespace WebCore {
+
+using namespace EventNames;
+using namespace HTMLNames;
+
+const int maxErrors = 25;
+
+#ifndef USE_QXMLSTREAM
+class PendingCallbacks {
+public:
+    PendingCallbacks()
+    {
+        m_callbacks.setAutoDelete(true);
+    }
+    
+    void appendStartElementNSCallback(const xmlChar* xmlLocalName, const xmlChar* xmlPrefix, const xmlChar* xmlURI, int nb_namespaces,
+                                      const xmlChar** namespaces, int nb_attributes, int nb_defaulted, const xmlChar** attributes)
+    {
+        PendingStartElementNSCallback* callback = new PendingStartElementNSCallback;
+        
+        callback->xmlLocalName = xmlStrdup(xmlLocalName);
+        callback->xmlPrefix = xmlStrdup(xmlPrefix);
+        callback->xmlURI = xmlStrdup(xmlURI);
+        callback->nb_namespaces = nb_namespaces;
+        callback->namespaces = reinterpret_cast<xmlChar**>(xmlMalloc(sizeof(xmlChar*) * nb_namespaces * 2));
+        for (int i = 0; i < nb_namespaces * 2 ; i++)
+            callback->namespaces[i] = xmlStrdup(namespaces[i]);
+        callback->nb_attributes = nb_attributes;
+        callback->nb_defaulted = nb_defaulted;
+        callback->attributes =  reinterpret_cast<xmlChar**>(xmlMalloc(sizeof(xmlChar*) * nb_attributes * 5));
+        for (int i = 0; i < nb_attributes; i++) {
+            // Each attribute has 5 elements in the array:
+            // name, prefix, uri, value and an end pointer.
+            
+            for (int j = 0; j < 3; j++)
+                callback->attributes[i * 5 + j] = xmlStrdup(attributes[i * 5 + j]);
+            
+            int len = attributes[i * 5 + 4] - attributes[i * 5 + 3];
+
+            callback->attributes[i * 5 + 3] = xmlStrndup(attributes[i * 5 + 3], len);
+            callback->attributes[i * 5 + 4] = callback->attributes[i * 5 + 3] + len;
+        }
+        
+        m_callbacks.append(callback);
+    }
+
+    void appendEndElementNSCallback()
+    {
+        PendingEndElementNSCallback* callback = new PendingEndElementNSCallback;
+        
+        m_callbacks.append(callback);
+    }
+    
+    void appendCharactersCallback(const xmlChar* s, int len)
+    {
+        PendingCharactersCallback* callback = new PendingCharactersCallback;
+        
+        callback->s = xmlStrndup(s, len);
+        callback->len = len;
+        
+        m_callbacks.append(callback);        
+    }
+    
+    void appendProcessingInstructionCallback(const xmlChar* target, const xmlChar* data)
+    {
+        PendingProcessingInstructionCallback* callback = new PendingProcessingInstructionCallback;
+        
+        callback->target = xmlStrdup(target);
+        callback->data = xmlStrdup(data);
+        
+        m_callbacks.append(callback);
+    }
+    
+    void appendCDATABlockCallback(const xmlChar* s, int len)
+    {
+        PendingCDATABlockCallback* callback = new PendingCDATABlockCallback;
+        
+        callback->s = xmlStrndup(s, len);
+        callback->len = len;
+        
+        m_callbacks.append(callback);        
+    }
+
+    void appendCommentCallback(const xmlChar* s)
+    {
+        PendingCommentCallback* callback = new PendingCommentCallback;
+        
+        callback->s = xmlStrdup(s);
+        
+        m_callbacks.append(callback);        
+    }
+
+    void appendInternalSubsetCallback(const xmlChar* name, const xmlChar* externalID, const xmlChar* systemID)
+    {
+        PendingInternalSubsetCallback* callback = new PendingInternalSubsetCallback;
+        
+        callback->name = xmlStrdup(name);
+        callback->externalID = xmlStrdup(externalID);
+        callback->systemID = xmlStrdup(systemID);
+        
+        m_callbacks.append(callback);        
+    }
+    
+    void appendErrorCallback(XMLTokenizer::ErrorType type, const char* message, int lineNumber, int columnNumber)
+    {
+        PendingErrorCallback* callback = new PendingErrorCallback;
+        
+        callback->message = strdup(message);
+        callback->type = type;
+        callback->lineNumber = lineNumber;
+        callback->columnNumber = columnNumber;
+        
+        m_callbacks.append(callback);
+    }
+
+    void callAndRemoveFirstCallback(XMLTokenizer* tokenizer)
+    {
+        PendingCallback* cb = m_callbacks.getFirst();
+            
+        cb->call(tokenizer);
+        m_callbacks.removeFirst();
+    }
+    
+    bool isEmpty() const { return m_callbacks.isEmpty(); }
+    
+private:    
+    struct PendingCallback {        
+        
+        virtual ~PendingCallback() { } 
+
+        virtual void call(XMLTokenizer* tokenizer) = 0;
+    };  
+    
+    struct PendingStartElementNSCallback : public PendingCallback {        
+        virtual ~PendingStartElementNSCallback() {
+            xmlFree(xmlLocalName);
+            xmlFree(xmlPrefix);
+            xmlFree(xmlURI);
+            for (int i = 0; i < nb_namespaces * 2; i++)
+                xmlFree(namespaces[i]);
+            xmlFree(namespaces);
+            for (int i = 0; i < nb_attributes; i++)
+                for (int j = 0; j < 4; j++) 
+                    xmlFree(attributes[i * 5 + j]);
+            xmlFree(attributes);
+        }
+        
+        virtual void call(XMLTokenizer* tokenizer) {
+            tokenizer->startElementNs(xmlLocalName, xmlPrefix, xmlURI, 
+                                      nb_namespaces, (const xmlChar**)namespaces,
+                                      nb_attributes, nb_defaulted, (const xmlChar**)(attributes));
+        }
+
+        xmlChar* xmlLocalName;
+        xmlChar* xmlPrefix;
+        xmlChar* xmlURI;
+        int nb_namespaces;
+        xmlChar** namespaces;
+        int nb_attributes;
+        int nb_defaulted;
+        xmlChar** attributes;
+    };
+    
+    struct PendingEndElementNSCallback : public PendingCallback {
+        virtual void call(XMLTokenizer* tokenizer) 
+        {
+            tokenizer->endElementNs();
+        }
+    };
+    
+    struct PendingCharactersCallback : public PendingCallback {
+        virtual ~PendingCharactersCallback() 
+        {
+            xmlFree(s);
+        }
+    
+        virtual void call(XMLTokenizer* tokenizer) 
+        {
+            tokenizer->characters(s, len);
+        }
+        
+        xmlChar* s;
+        int len;
+    };
+
+    struct PendingProcessingInstructionCallback : public PendingCallback {
+        virtual ~PendingProcessingInstructionCallback() 
+        {
+            xmlFree(target);
+            xmlFree(data);
+        }
+        
+        virtual void call(XMLTokenizer* tokenizer) 
+        {
+            tokenizer->processingInstruction(target, data);
+        }
+        
+        xmlChar* target;
+        xmlChar* data;
+    };
+    
+    struct PendingCDATABlockCallback : public PendingCallback {
+        virtual ~PendingCDATABlockCallback() 
+        {
+            xmlFree(s);
+        }
+        
+        virtual void call(XMLTokenizer* tokenizer) 
+        {
+            tokenizer->cdataBlock(s, len);
+        }
+        
+        xmlChar* s;
+        int len;
+    };
+
+    struct PendingCommentCallback : public PendingCallback {
+        virtual ~PendingCommentCallback() 
+        {
+            xmlFree(s);
+        }
+        
+        virtual void call(XMLTokenizer* tokenizer) 
+        {
+            tokenizer->comment(s);
+        }
+
+        xmlChar* s;
+    };
+    
+    struct PendingInternalSubsetCallback : public PendingCallback {
+        virtual ~PendingInternalSubsetCallback() 
+        {
+            xmlFree(name);
+            xmlFree(externalID);
+            xmlFree(systemID);
+        }
+        
+        virtual void call(XMLTokenizer* tokenizer)
+        {
+            tokenizer->internalSubset(name, externalID, systemID);
+        }
+        
+        xmlChar* name;
+        xmlChar* externalID;
+        xmlChar* systemID;        
+    };
+    
+    struct PendingErrorCallback: public PendingCallback {
+        virtual ~PendingErrorCallback() 
+        {
+            free (message);
+        }
+        
+        virtual void call(XMLTokenizer* tokenizer) 
+        {
+            tokenizer->handleError(type, message, lineNumber, columnNumber);
+        }
+        
+        XMLTokenizer::ErrorType type;
+        char* message;
+        int lineNumber;
+        int columnNumber;
+    };
+    
+public:
+    DeprecatedPtrList<PendingCallback> m_callbacks;
+};
+// --------------------------------
+
+static int globalDescriptor = 0;
+static DocLoader* globalDocLoader = 0;
+static ThreadIdentifier libxmlLoaderThread = 0;
+
+static int matchFunc(const char* uri)
+{
+    // Only match loads initiated due to uses of libxml2 from within XMLTokenizer to avoid
+    // interfering with client applications that also use libxml2.  http://bugs.webkit.org/show_bug.cgi?id=17353
+    return globalDocLoader && currentThread() == libxmlLoaderThread;
+}
+
+class OffsetBuffer {
+public:
+    OffsetBuffer(const Vector<char>& b) : m_buffer(b), m_currentOffset(0) { }
+    
+    int readOutBytes(char* outputBuffer, unsigned askedToRead) {
+        unsigned bytesLeft = m_buffer.size() - m_currentOffset;
+        unsigned lenToCopy = min(askedToRead, bytesLeft);
+        if (lenToCopy) {
+            memcpy(outputBuffer, m_buffer.data() + m_currentOffset, lenToCopy);
+            m_currentOffset += lenToCopy;
+        }
+        return lenToCopy;
+    }
+
+private:
+    Vector<char> m_buffer;
+    unsigned m_currentOffset;
+};
+
+static bool shouldAllowExternalLoad(const char* inURI)
+{
+    if (strstr(inURI, "/etc/xml/catalog")
+            || strstr(inURI, "http://www.w3.org/Graphics/SVG") == inURI
+            || strstr(inURI, "http://www.w3.org/TR/xhtml") == inURI)
+        return false;
+    return true;
+}
+static void* openFunc(const char* uri)
+{
+    ASSERT(globalDocLoader);
+    ASSERT(currentThread() == libxmlLoaderThread);
+
+    if (!shouldAllowExternalLoad(uri))
+        return &globalDescriptor;
+
+    ResourceError error;
+    ResourceResponse response;
+    Vector<char> data;
+    
+    DocLoader* docLoader = globalDocLoader;
+    globalDocLoader = 0;
+    // FIXME: We should restore the original global error handler as well.
+
+    if (docLoader->frame()) 
+        docLoader->frame()->loader()->loadResourceSynchronously(KURL(uri), error, response, data);
+
+    globalDocLoader = docLoader;
+
+    return new OffsetBuffer(data);
+}
+
+static int readFunc(void* context, char* buffer, int len)
+{
+    // Do 0-byte reads in case of a null descriptor
+    if (context == &globalDescriptor)
+        return 0;
+        
+    OffsetBuffer* data = static_cast<OffsetBuffer*>(context);
+    return data->readOutBytes(buffer, len);
+}
+
+static int writeFunc(void* context, const char* buffer, int len)
+{
+    // Always just do 0-byte writes
+    return 0;
+}
+
+static int closeFunc(void* context)
+{
+    if (context != &globalDescriptor) {
+        OffsetBuffer* data = static_cast<OffsetBuffer*>(context);
+        delete data;
+    }
+    return 0;
+}
+
+static void errorFunc(void*, const char*, ...)
+{
+    // FIXME: It would be nice to display error messages somewhere.
+}
+
+void setLoaderForLibXMLCallbacks(DocLoader* docLoader)
+{
+    globalDocLoader = docLoader;
+}
+
+static xmlParserCtxtPtr createStringParser(xmlSAXHandlerPtr handlers, void* userData)
+{
+    static bool didInit = false;
+    if (!didInit) {
+        xmlInitParser();
+        xmlRegisterInputCallbacks(matchFunc, openFunc, readFunc, closeFunc);
+        xmlRegisterOutputCallbacks(matchFunc, openFunc, writeFunc, closeFunc);
+        libxmlLoaderThread = currentThread();
+        didInit = true;
+    }
+
+    xmlParserCtxtPtr parser = xmlCreatePushParserCtxt(handlers, 0, 0, 0, 0);
+    parser->_private = userData;
+    parser->replaceEntities = true;
+    const UChar BOM = 0xFEFF;
+    const unsigned char BOMHighByte = *reinterpret_cast<const unsigned char*>(&BOM);
+    xmlSwitchEncoding(parser, BOMHighByte == 0xFF ? XML_CHAR_ENCODING_UTF16LE : XML_CHAR_ENCODING_UTF16BE);
+    return parser;
+}
+#endif
+
+#if defined(USE_QXMLSTREAM) && QT_VERSION >= 0x040400
+class EntityResolver : public QXmlStreamEntityResolver
+{
+    virtual QString resolveUndeclaredEntity(const QString &name);
+};
+
+QString EntityResolver::resolveUndeclaredEntity(const QString &name)
+{
+    UChar c = decodeNamedEntity(name.toUtf8().constData());
+    return QString(c);
+}
+#endif
+
+// --------------------------------
+
+XMLTokenizer::XMLTokenizer(Document* _doc, FrameView* _view)
+    : m_doc(_doc)
+    , m_view(_view)
+#ifdef USE_QXMLSTREAM
+    , m_wroteText(false)
+#else
+    , m_context(0)
+#endif
+    , m_currentNode(_doc)
+    , m_currentNodeIsReferenced(false)
+    , m_sawError(false)
+    , m_sawXSLTransform(false)
+    , m_sawFirstElement(false)
+    , m_isXHTMLDocument(false)
+    , m_parserPaused(false)
+    , m_requestingScript(false)
+    , m_finishCalled(false)
+    , m_errorCount(0)
+    , m_lastErrorLine(0)
+    , m_lastErrorColumn(0)
+    , m_pendingScript(0)
+    , m_scriptStartLine(0)
+    , m_parsingFragment(false)
+#ifndef USE_QXMLSTREAM
+    , m_pendingCallbacks(new PendingCallbacks)
+#endif
+{
+#if defined(USE_QXMLSTREAM) && QT_VERSION >= 0x040400
+    m_stream.setEntityResolver(new EntityResolver);
+#endif
+}
+
+XMLTokenizer::XMLTokenizer(DocumentFragment* fragment, Element* parentElement)
+    : m_doc(fragment->document())
+    , m_view(0)
+#ifdef USE_QXMLSTREAM
+    , m_wroteText(false)
+#else
+    , m_context(0)
+#endif
+    , m_currentNode(fragment)
+    , m_currentNodeIsReferenced(fragment)
+    , m_sawError(false)
+    , m_sawXSLTransform(false)
+    , m_sawFirstElement(false)
+    , m_isXHTMLDocument(false)
+    , m_parserPaused(false)
+    , m_requestingScript(false)
+    , m_finishCalled(false)
+    , m_errorCount(0)
+    , m_lastErrorLine(0)
+    , m_lastErrorColumn(0)
+    , m_pendingScript(0)
+    , m_scriptStartLine(0)
+    , m_parsingFragment(true)
+#ifndef USE_QXMLSTREAM
+    , m_pendingCallbacks(new PendingCallbacks)
+#endif
+{
+    if (fragment)
+        fragment->ref();
+    if (m_doc)
+        m_doc->ref();
+          
+    // Add namespaces based on the parent node
+    Vector<Element*> elemStack;
+    while (parentElement) {
+        elemStack.append(parentElement);
+        
+        Node* n = parentElement->parentNode();
+        if (!n || !n->isElementNode())
+            break;
+        parentElement = static_cast<Element*>(n);
+    }
+    
+    if (elemStack.isEmpty())
+        return;
+    
+#if !PLATFORM(QT) || QT_VERSION < 0x040400
+    for (Element* element = elemStack.last(); !elemStack.isEmpty(); elemStack.removeLast()) {
+        if (NamedAttrMap* attrs = element->attributes()) {
+            for (unsigned i = 0; i < attrs->length(); i++) {
+                Attribute* attr = attrs->attributeItem(i);
+                if (attr->localName() == "xmlns")
+                    m_defaultNamespaceURI = attr->value();
+                else if (attr->prefix() == "xmlns")
+                    m_prefixToNamespaceMap.set(attr->localName(), attr->value());
+            }
+        }
+    }
+#else
+    QXmlStreamNamespaceDeclarations namespaces;
+    for (Element* element = elemStack.last(); !elemStack.isEmpty(); elemStack.removeLast()) {
+        if (NamedAttrMap* attrs = element->attributes()) {
+            for (unsigned i = 0; i < attrs->length(); i++) {
+                Attribute* attr = attrs->attributeItem(i);
+                if (attr->localName() == "xmlns")
+                    m_defaultNamespaceURI = attr->value();
+                else if (attr->prefix() == "xmlns")
+                    namespaces.append(QXmlStreamNamespaceDeclaration(attr->localName(), attr->value()));
+            }
+        }
+    }
+    m_stream.addExtraNamespaceDeclarations(namespaces);
+    m_stream.setEntityResolver(new EntityResolver);
+#endif
+
+    // If the parent element is not in document tree, there may be no xmlns attribute; just default to the parent's namespace.
+    if (m_defaultNamespaceURI.isNull() && !parentElement->inDocument())
+        m_defaultNamespaceURI = parentElement->namespaceURI();
+}
+
+XMLTokenizer::~XMLTokenizer()
+{
+    setCurrentNode(0);
+    if (m_parsingFragment && m_doc)
+        m_doc->deref();
+    if (m_pendingScript)
+        m_pendingScript->deref(this);
+#if defined(USE_QXMLSTREAM) && QT_VERSION >= 0x040400
+    delete m_stream.entityResolver();
+#endif
+}
+
+void XMLTokenizer::setCurrentNode(Node* n)
+{
+    bool nodeNeedsReference = n && n != m_doc;
+    if (nodeNeedsReference)
+        n->ref(); 
+    if (m_currentNodeIsReferenced) 
+        m_currentNode->deref(); 
+    m_currentNode = n;
+    m_currentNodeIsReferenced = nodeNeedsReference;
+}
+
+bool XMLTokenizer::write(const SegmentedString& s, bool /*appendData*/)
+{
+    String parseString = s.toString();
+    
+    if (m_sawXSLTransform || !m_sawFirstElement)
+        m_originalSourceForTransform += parseString;
+
+    if (m_parserStopped || m_sawXSLTransform)
+        return false;
+    
+    if (m_parserPaused) {
+        m_pendingSrc.append(s);
+        return false;
+    }
+    
+#ifndef USE_QXMLSTREAM
+    if (!m_context)
+        initializeParserContext();
+    
+    // libXML throws an error if you try to switch the encoding for an empty string.
+    if (parseString.length()) {
+        // Hack around libxml2's lack of encoding overide support by manually
+        // resetting the encoding to UTF-16 before every chunk.  Otherwise libxml
+        // will detect <?xml version="1.0" encoding="<encoding name>"?> blocks 
+        // and switch encodings, causing the parse to fail.
+        const UChar BOM = 0xFEFF;
+        const unsigned char BOMHighByte = *reinterpret_cast<const unsigned char*>(&BOM);
+        xmlSwitchEncoding(m_context, BOMHighByte == 0xFF ? XML_CHAR_ENCODING_UTF16LE : XML_CHAR_ENCODING_UTF16BE);
+
+        xmlParseChunk(m_context, reinterpret_cast<const char*>(parseString.characters()), sizeof(UChar) * parseString.length(), 0);
+    }
+#else
+    m_wroteText = true;
+    QString data(parseString);
+    if (!data.isEmpty()) {
+#if QT_VERSION < 0x040400
+        if (!m_sawFirstElement) {
+            int idx = data.indexOf(QLatin1String("<?xml"));
+            if (idx != -1) {
+                int start = idx + 5;
+                int end = data.indexOf(QLatin1String("?>"), start);
+                QString content = data.mid(start, end-start);
+                bool ok = true;
+                HashMap<String, String> attrs = parseAttributes(content, ok);
+                String version = attrs.get("version");
+                String encoding = attrs.get("encoding");
+                ExceptionCode ec = 0;
+                if (!m_parsingFragment) {
+                    if (!version.isEmpty())
+                        m_doc->setXMLVersion(version, ec);
+                    if (!encoding.isEmpty())
+                        m_doc->setXMLEncoding(encoding);
+                }
+            }
+        }
+#endif
+        m_stream.addData(data);
+        parse();
+    }
+#endif
+    
+    return false;
+}
+#ifndef USE_QXMLSTREAM
+static inline String toString(const xmlChar* str, unsigned len)
+{
+    return UTF8Encoding().decode(reinterpret_cast<const char*>(str), len);
+}
+
+static inline String toString(const xmlChar* str)
+{
+    if (!str)
+        return String();
+    
+    return UTF8Encoding().decode(reinterpret_cast<const char*>(str), strlen(reinterpret_cast<const char*>(str)));
+}
+
+struct _xmlSAX2Namespace {
+    const xmlChar* prefix;
+    const xmlChar* uri;
+};
+typedef struct _xmlSAX2Namespace xmlSAX2Namespace;
+
+static inline void handleElementNamespaces(Element* newElement, const xmlChar** libxmlNamespaces, int nb_namespaces, ExceptionCode& ec)
+{
+    xmlSAX2Namespace* namespaces = reinterpret_cast<xmlSAX2Namespace*>(libxmlNamespaces);
+    for(int i = 0; i < nb_namespaces; i++) {
+        String namespaceQName = "xmlns";
+        String namespaceURI = toString(namespaces[i].uri);
+        if (namespaces[i].prefix)
+            namespaceQName = "xmlns:" + toString(namespaces[i].prefix);
+        newElement->setAttributeNS("http://www.w3.org/2000/xmlns/", namespaceQName, namespaceURI, ec);
+        if (ec) // exception setting attributes
+            return;
+    }
+}
+
+struct _xmlSAX2Attributes {
+    const xmlChar* localname;
+    const xmlChar* prefix;
+    const xmlChar* uri;
+    const xmlChar* value;
+    const xmlChar* end;
+};
+typedef struct _xmlSAX2Attributes xmlSAX2Attributes;
+
+static inline void handleElementAttributes(Element* newElement, const xmlChar** libxmlAttributes, int nb_attributes, ExceptionCode& ec)
+{
+    xmlSAX2Attributes* attributes = reinterpret_cast<xmlSAX2Attributes*>(libxmlAttributes);
+    for(int i = 0; i < nb_attributes; i++) {
+        String attrLocalName = toString(attributes[i].localname);
+        int valueLength = (int) (attributes[i].end - attributes[i].value);
+        String attrValue = toString(attributes[i].value, valueLength);
+        String attrPrefix = toString(attributes[i].prefix);
+        String attrURI = attrPrefix.isEmpty() ? String() : toString(attributes[i].uri);
+        String attrQName = attrPrefix.isEmpty() ? attrLocalName : attrPrefix + ":" + attrLocalName;
+        
+        newElement->setAttributeNS(attrURI, attrQName, attrValue, ec);
+        if (ec) // exception setting attributes
+            return;
+    }
+}
+
+void XMLTokenizer::startElementNs(const xmlChar* xmlLocalName, const xmlChar* xmlPrefix, const xmlChar* xmlURI, int nb_namespaces,
+                                  const xmlChar** libxmlNamespaces, int nb_attributes, int nb_defaulted, const xmlChar** libxmlAttributes)
+{
+    if (m_parserStopped)
+        return;
+    
+    if (m_parserPaused) {
+        m_pendingCallbacks->appendStartElementNSCallback(xmlLocalName, xmlPrefix, xmlURI, nb_namespaces, libxmlNamespaces,
+                                                         nb_attributes, nb_defaulted, libxmlAttributes);
+        return;
+    }
+    
+    m_sawFirstElement = true;
+
+    exitText();
+
+    String localName = toString(xmlLocalName);
+    String uri = toString(xmlURI);
+    String prefix = toString(xmlPrefix);
+
+    if (m_parsingFragment && uri.isNull()) {
+        if (!prefix.isNull())
+            uri = m_prefixToNamespaceMap.get(prefix);
+        else
+            uri = m_defaultNamespaceURI;
+    }
+
+    ExceptionCode ec = 0;
+    QualifiedName qName(prefix, localName, uri);
+    RefPtr<Element> newElement = m_doc->createElement(qName, true, ec);
+    if (!newElement) {
+        stopParsing();
+        return;
+    }
+    
+    handleElementNamespaces(newElement.get(), libxmlNamespaces, nb_namespaces, ec);
+    if (ec) {
+        stopParsing();
+        return;
+    }
+    
+    handleElementAttributes(newElement.get(), libxmlAttributes, nb_attributes, ec);
+    if (ec) {
+        stopParsing();
+        return;
+    }
+
+    newElement->beginParsingChildren();
+
+    if (newElement->hasTagName(scriptTag))
+        static_cast<HTMLScriptElement*>(newElement.get())->setCreatedByParser(true);
+    else if (newElement->hasTagName(HTMLNames::styleTag))
+        static_cast<HTMLStyleElement*>(newElement.get())->setCreatedByParser(true);
+#if ENABLE(SVG)
+    else if (newElement->hasTagName(SVGNames::styleTag))
+        static_cast<SVGStyleElement*>(newElement.get())->setCreatedByParser(true);
+#endif
+    
+    if (newElement->hasTagName(HTMLNames::scriptTag)
+#if ENABLE(SVG)
+        || newElement->hasTagName(SVGNames::scriptTag)
+#endif
+        )
+        m_scriptStartLine = lineNumber();
+    
+    if (!m_currentNode->addChild(newElement.get())) {
+        stopParsing();
+        return;
+    }
+    
+    setCurrentNode(newElement.get());
+    if (m_view && !newElement->attached())
+        newElement->attach();
+}
+
+void XMLTokenizer::endElementNs()
+{
+    if (m_parserStopped)
+        return;
+
+    if (m_parserPaused) {
+        m_pendingCallbacks->appendEndElementNSCallback();
+        return;
+    }
+    
+    exitText();
+
+    Node* n = m_currentNode;
+    RefPtr<Node> parent = n->parentNode();
+    n->finishParsingChildren();
+    
+    // don't load external scripts for standalone documents (for now)
+    if (n->isElementNode() && m_view && (static_cast<Element*>(n)->hasTagName(scriptTag) 
+#if ENABLE(SVG)
+                                         || static_cast<Element*>(n)->hasTagName(SVGNames::scriptTag)
+#endif
+                                         )) {
+
+                                         
+        ASSERT(!m_pendingScript);
+        
+        m_requestingScript = true;
+        
+        Element* scriptElement = static_cast<Element*>(n);        
+        String scriptHref;
+        
+        if (static_cast<Element*>(n)->hasTagName(scriptTag))
+            scriptHref = scriptElement->getAttribute(srcAttr);
+#if ENABLE(SVG)
+        else if (static_cast<Element*>(n)->hasTagName(SVGNames::scriptTag))
+            scriptHref = scriptElement->getAttribute(XLinkNames::hrefAttr);
+#endif
+        
+        if (!scriptHref.isEmpty()) {
+            // we have a src attribute 
+            const AtomicString& charset = scriptElement->getAttribute(charsetAttr);
+            if ((m_pendingScript = m_doc->docLoader()->requestScript(scriptHref, charset))) {
+                m_scriptElement = scriptElement;
+                m_pendingScript->ref(this);
+                    
+                // m_pendingScript will be 0 if script was already loaded and ref() executed it
+                if (m_pendingScript)
+                    pauseParsing();
+            } else 
+                m_scriptElement = 0;
+
+        } else {
+            String scriptCode = "";
+            for (Node* child = scriptElement->firstChild(); child; child = child->nextSibling()) {
+                if (child->isTextNode() || child->nodeType() == Node::CDATA_SECTION_NODE)
+                    scriptCode += static_cast<CharacterData*>(child)->data();
+            }
+            m_view->frame()->loader()->executeScript(m_doc->url().string(), m_scriptStartLine - 1, scriptCode);
+        }
+        
+        m_requestingScript = false;
+    }
+
+    setCurrentNode(parent.get());
+}
+
+void XMLTokenizer::characters(const xmlChar* s, int len)
+{
+    if (m_parserStopped)
+        return;
+    
+    if (m_parserPaused) {
+        m_pendingCallbacks->appendCharactersCallback(s, len);
+        return;
+    }
+    
+    if (m_currentNode->isTextNode() || enterText())
+        m_bufferedText.append(s, len);
+}
+
+void XMLTokenizer::error(ErrorType type, const char* message, va_list args)
+{
+    if (m_parserStopped)
+        return;
+
+#if PLATFORM(WIN_OS)
+    char m[1024];
+    vsnprintf(m, sizeof(m) - 1, message, args);
+#else
+    char* m;
+    vasprintf(&m, message, args);
+#endif
+    
+    if (m_parserPaused)
+        m_pendingCallbacks->appendErrorCallback(type, m, lineNumber(), columnNumber());
+    else
+        handleError(type, m, lineNumber(), columnNumber());
+
+#if !PLATFORM(WIN_OS)
+    free(m);
+#endif
+}
+
+void XMLTokenizer::processingInstruction(const xmlChar* target, const xmlChar* data)
+{
+    if (m_parserStopped)
+        return;
+
+    if (m_parserPaused) {
+        m_pendingCallbacks->appendProcessingInstructionCallback(target, data);
+        return;
+    }
+    
+    exitText();
+
+    // ### handle exceptions
+    int exception = 0;
+    RefPtr<ProcessingInstruction> pi = m_doc->createProcessingInstruction(
+        toString(target), toString(data), exception);
+    if (exception)
+        return;
+
+    if (!m_currentNode->addChild(pi.get()))
+        return;
+    if (m_view && !pi->attached())
+        pi->attach();
+
+    // don't load stylesheets for standalone documents
+    if (m_doc->frame()) {
+        m_sawXSLTransform = !m_sawFirstElement && !pi->checkStyleSheet();
+#if ENABLE(XSLT)
+        // Pretend we didn't see this PI if we're the result of a transform.
+        if (m_sawXSLTransform && !m_doc->transformSourceDocument())
+#else
+        if (m_sawXSLTransform)
+#endif
+            // Stop the SAX parser.
+            stopParsing();
+    }
+}
+
+void XMLTokenizer::cdataBlock(const xmlChar* s, int len)
+{
+    if (m_parserStopped)
+        return;
+
+    if (m_parserPaused) {
+        m_pendingCallbacks->appendCDATABlockCallback(s, len);
+        return;
+    }
+    
+    exitText();
+
+    RefPtr<Node> newNode = new CDATASection(m_doc, toString(s, len));
+    if (!m_currentNode->addChild(newNode.get()))
+        return;
+    if (m_view && !newNode->attached())
+        newNode->attach();
+}
+
+void XMLTokenizer::comment(const xmlChar* s)
+{
+    if (m_parserStopped)
+        return;
+
+    if (m_parserPaused) {
+        m_pendingCallbacks->appendCommentCallback(s);
+        return;
+    }
+    
+    exitText();
+
+    RefPtr<Node> newNode = new Comment(m_doc, toString(s));
+    m_currentNode->addChild(newNode.get());
+    if (m_view && !newNode->attached())
+        newNode->attach();
+}
+
+void XMLTokenizer::startDocument(const xmlChar* version, const xmlChar* encoding, int standalone)
+{
+    ExceptionCode ec = 0;
+
+    if (version)
+        m_doc->setXMLVersion(toString(version), ec);
+    m_doc->setXMLStandalone(standalone == 1, ec); // possible values are 0, 1, and -1
+    if (encoding)
+        m_doc->setXMLEncoding(toString(encoding));
+}
+
+void XMLTokenizer::endDocument()
+{
+    exitText();
+}
+
+void XMLTokenizer::internalSubset(const xmlChar* name, const xmlChar* externalID, const xmlChar* systemID)
+{
+    if (m_parserStopped)
+        return;
+
+    if (m_parserPaused) {
+        m_pendingCallbacks->appendInternalSubsetCallback(name, externalID, systemID);
+        return;
+    }
+    
+    if (m_doc)
+        m_doc->addChild(new DocumentType(m_doc, toString(name), toString(externalID), toString(systemID)));
+}
+
+static inline XMLTokenizer* getTokenizer(void* closure)
+{
+    xmlParserCtxtPtr ctxt = static_cast<xmlParserCtxtPtr>(closure);
+    return static_cast<XMLTokenizer*>(ctxt->_private);
+}
+
+// This is a hack around http://bugzilla.gnome.org/show_bug.cgi?id=159219
+// Otherwise libxml seems to call all the SAX callbacks twice for any replaced entity.
+static inline bool hackAroundLibXMLEntityBug(void* closure)
+{
+#if LIBXML_VERSION >= 20627
+    // This bug has been fixed in libxml 2.6.27.
+    return false;
+#else
+    return static_cast<xmlParserCtxtPtr>(closure)->node;
+#endif
+}
+
+static void startElementNsHandler(void* closure, const xmlChar* localname, const xmlChar* prefix, const xmlChar* uri, int nb_namespaces, const xmlChar** namespaces, int nb_attributes, int nb_defaulted, const xmlChar** libxmlAttributes)
+{
+    if (hackAroundLibXMLEntityBug(closure))
+        return;
+
+    getTokenizer(closure)->startElementNs(localname, prefix, uri, nb_namespaces, namespaces, nb_attributes, nb_defaulted, libxmlAttributes);
+}
+
+static void endElementNsHandler(void* closure, const xmlChar* localname, const xmlChar* prefix, const xmlChar* uri)
+{
+    if (hackAroundLibXMLEntityBug(closure))
+        return;
+    
+    getTokenizer(closure)->endElementNs();
+}
+
+static void charactersHandler(void* closure, const xmlChar* s, int len)
+{
+    if (hackAroundLibXMLEntityBug(closure))
+        return;
+    
+    getTokenizer(closure)->characters(s, len);
+}
+
+static void processingInstructionHandler(void* closure, const xmlChar* target, const xmlChar* data)
+{
+    if (hackAroundLibXMLEntityBug(closure))
+        return;
+    
+    getTokenizer(closure)->processingInstruction(target, data);
+}
+
+static void cdataBlockHandler(void* closure, const xmlChar* s, int len)
+{
+    if (hackAroundLibXMLEntityBug(closure))
+        return;
+    
+    getTokenizer(closure)->cdataBlock(s, len);
+}
+
+static void commentHandler(void* closure, const xmlChar* comment)
+{
+    if (hackAroundLibXMLEntityBug(closure))
+        return;
+    
+    getTokenizer(closure)->comment(comment);
+}
+
+WTF_ATTRIBUTE_PRINTF(2, 3)
+static void warningHandler(void* closure, const char* message, ...)
+{
+    va_list args;
+    va_start(args, message);
+    getTokenizer(closure)->error(XMLTokenizer::warning, message, args);
+    va_end(args);
+}
+
+WTF_ATTRIBUTE_PRINTF(2, 3)
+static void fatalErrorHandler(void* closure, const char* message, ...)
+{
+    va_list args;
+    va_start(args, message);
+    getTokenizer(closure)->error(XMLTokenizer::fatal, message, args);
+    va_end(args);
+}
+
+WTF_ATTRIBUTE_PRINTF(2, 3)
+static void normalErrorHandler(void* closure, const char* message, ...)
+{
+    va_list args;
+    va_start(args, message);
+    getTokenizer(closure)->error(XMLTokenizer::nonFatal, message, args);
+    va_end(args);
+}
+
+// Using a global variable entity and marking it XML_INTERNAL_PREDEFINED_ENTITY is
+// a hack to avoid malloc/free. Using a global variable like this could cause trouble
+// if libxml implementation details were to change
+static xmlChar sharedXHTMLEntityResult[5] = {0,0,0,0,0};
+static xmlEntity sharedXHTMLEntity = {
+    0, XML_ENTITY_DECL, 0, 0, 0, 0, 0, 0, 0, 
+    sharedXHTMLEntityResult, sharedXHTMLEntityResult, 0,
+    XML_INTERNAL_PREDEFINED_ENTITY, 0, 0, 0, 0, 0
+};
+
+static xmlEntityPtr getXHTMLEntity(const xmlChar* name)
+{
+    UChar c = decodeNamedEntity(reinterpret_cast<const char*>(name));
+    if (!c)
+        return 0;
+
+    CString value = String(&c, 1).utf8();
+    ASSERT(value.length() < 5);
+    sharedXHTMLEntity.length = value.length();
+    sharedXHTMLEntity.name = name;
+    memcpy(sharedXHTMLEntityResult, value.data(), sharedXHTMLEntity.length + 1);
+
+    return &sharedXHTMLEntity;
+}
+
+static xmlEntityPtr getEntityHandler(void* closure, const xmlChar* name)
+{
+    xmlParserCtxtPtr ctxt = static_cast<xmlParserCtxtPtr>(closure);
+    xmlEntityPtr ent = xmlGetPredefinedEntity(name);
+    if (ent) {
+        ent->etype = XML_INTERNAL_PREDEFINED_ENTITY;
+        return ent;
+    }
+
+    ent = xmlGetDocEntity(ctxt->myDoc, name);
+    if (!ent && getTokenizer(closure)->isXHTMLDocument()) {
+        ent = getXHTMLEntity(name);
+        if (ent)
+            ent->etype = XML_INTERNAL_GENERAL_ENTITY;
+    }
+    
+    return ent;
+}
+
+static void startDocumentHandler(void* closure)
+{
+    xmlParserCtxt* ctxt = static_cast<xmlParserCtxt*>(closure);
+    getTokenizer(closure)->startDocument(ctxt->version, ctxt->encoding, ctxt->standalone);
+    xmlSAX2StartDocument(closure);
+}
+
+static void endDocumentHandler(void* closure)
+{
+    getTokenizer(closure)->endDocument();
+    xmlSAX2EndDocument(closure);
+}
+
+static void internalSubsetHandler(void* closure, const xmlChar* name, const xmlChar* externalID, const xmlChar* systemID)
+{
+    getTokenizer(closure)->internalSubset(name, externalID, systemID);
+    xmlSAX2InternalSubset(closure, name, externalID, systemID);
+}
+
+static void externalSubsetHandler(void* closure, const xmlChar* name, const xmlChar* externalId, const xmlChar* systemId)
+{
+    String extId = toString(externalId);
+    if ((extId == "-//W3C//DTD XHTML 1.0 Transitional//EN")
+        || (extId == "-//W3C//DTD XHTML 1.1//EN")
+        || (extId == "-//W3C//DTD XHTML 1.0 Strict//EN")
+        || (extId == "-//W3C//DTD XHTML 1.0 Frameset//EN")
+        || (extId == "-//W3C//DTD XHTML Basic 1.0//EN")
+        || (extId == "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN")
+        || (extId == "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN")
+        || (extId == "-//WAPFORUM//DTD XHTML Mobile 1.0//EN"))
+        getTokenizer(closure)->setIsXHTMLDocument(true); // controls if we replace entities or not.
+}
+
+static void ignorableWhitespaceHandler(void* ctx, const xmlChar* ch, int len)
+{
+    // nothing to do, but we need this to work around a crasher
+    // http://bugzilla.gnome.org/show_bug.cgi?id=172255
+    // http://bugs.webkit.org/show_bug.cgi?id=5792
+}
+#endif
+
+void XMLTokenizer::handleError(ErrorType type, const char* m, int lineNumber, int columnNumber)
+{
+    if (type == fatal || (m_errorCount < maxErrors && m_lastErrorLine != lineNumber && m_lastErrorColumn != columnNumber)) {
+        switch (type) {
+            case warning:
+                m_errorMessages += String::format("warning on line %d at column %d: %s", lineNumber, columnNumber, m);
+                break;
+            case fatal:
+            case nonFatal:
+                m_errorMessages += String::format("error on line %d at column %d: %s", lineNumber, columnNumber, m);
+        }
+        
+        m_lastErrorLine = lineNumber;
+        m_lastErrorColumn = columnNumber;
+        ++m_errorCount;
+    }
+    
+    if (type != warning)
+        m_sawError = true;
+    
+    if (type == fatal)
+        stopParsing();    
+}
+
+bool XMLTokenizer::enterText()
+{
+#ifndef USE_QXMLSTREAM
+    ASSERT(m_bufferedText.size() == 0);
+#endif
+    RefPtr<Node> newNode = new Text(m_doc, "");
+    if (!m_currentNode->addChild(newNode.get()))
+        return false;
+    setCurrentNode(newNode.get());
+    return true;
+}
+
+void XMLTokenizer::exitText()
+{
+    if (m_parserStopped)
+        return;
+
+    if (!m_currentNode || !m_currentNode->isTextNode())
+        return;
+
+#ifndef USE_QXMLSTREAM
+    ExceptionCode ec = 0;
+    static_cast<Text*>(m_currentNode)->appendData(toString(m_bufferedText.data(), m_bufferedText.size()), ec);
+    Vector<xmlChar> empty;
+    m_bufferedText.swap(empty);
+#endif
+
+    if (m_view && m_currentNode && !m_currentNode->attached())
+        m_currentNode->attach();
+
+    // FIXME: What's the right thing to do if the parent is really 0?
+    // Just leaving the current node set to the text node doesn't make much sense.
+    if (Node* par = m_currentNode->parentNode())
+        setCurrentNode(par);
+}
+
+void XMLTokenizer::initializeParserContext()
+{
+#ifndef USE_QXMLSTREAM
+    xmlSAXHandler sax;
+    memset(&sax, 0, sizeof(sax));
+    sax.error = normalErrorHandler;
+    sax.fatalError = fatalErrorHandler;
+    sax.characters = charactersHandler;
+    sax.processingInstruction = processingInstructionHandler;
+    sax.cdataBlock = cdataBlockHandler;
+    sax.comment = commentHandler;
+    sax.warning = warningHandler;
+    sax.startElementNs = startElementNsHandler;
+    sax.endElementNs = endElementNsHandler;
+    sax.getEntity = getEntityHandler;
+    sax.startDocument = startDocumentHandler;
+    sax.endDocument = endDocumentHandler;
+    sax.internalSubset = internalSubsetHandler;
+    sax.externalSubset = externalSubsetHandler;
+    sax.ignorableWhitespace = ignorableWhitespaceHandler;
+    sax.entityDecl = xmlSAX2EntityDecl;
+    sax.initialized = XML_SAX2_MAGIC;
+#endif
+    m_parserStopped = false;
+    m_sawError = false;
+    m_sawXSLTransform = false;
+    m_sawFirstElement = false;
+    
+#ifndef USE_QXMLSTREAM
+    m_context = createStringParser(&sax, this);
+#endif
+}
+
+void XMLTokenizer::end()
+{
+#if ENABLE(XSLT)
+    if (m_sawXSLTransform) {
+        m_doc->setTransformSource(xmlDocPtrForString(m_doc->docLoader(), m_originalSourceForTransform, m_doc->url().string()));
+        
+        m_doc->setParsing(false); // Make the doc think it's done, so it will apply xsl sheets.
+        m_doc->updateStyleSelector();
+        m_doc->setParsing(true);
+        m_parserStopped = true;
+    }
+#endif
+
+#ifndef USE_QXMLSTREAM
+    if (m_context) {
+        // Tell libxml we're done.
+        xmlParseChunk(m_context, 0, 0, 1);
+        
+        if (m_context->myDoc)
+            xmlFreeDoc(m_context->myDoc);
+        xmlFreeParserCtxt(m_context);
+        m_context = 0;
+    }
+#else
+    if (m_stream.error() == QXmlStreamReader::PrematureEndOfDocumentError || (m_wroteText && !m_sawFirstElement)) {
+        handleError(fatal, qPrintable(m_stream.errorString()), lineNumber(),
+                    columnNumber());
+    }
+#endif
+    
+    if (m_sawError)
+        insertErrorMessageBlock();
+    else {
+        exitText();
+        m_doc->updateStyleSelector();
+    }
+    
+    setCurrentNode(0);
+    if (!m_parsingFragment)
+        m_doc->finishedParsing();    
+}
+
+void XMLTokenizer::finish()
+{
+    if (m_parserPaused)
+        m_finishCalled = true;
+    else
+        end();
+}
+
+static inline RefPtr<Element> createXHTMLParserErrorHeader(Document* doc, const String& errorMessages) 
+{
+    ExceptionCode ec = 0;
+    RefPtr<Element> reportElement = doc->createElementNS(xhtmlNamespaceURI, "parsererror", ec);
+    reportElement->setAttribute(styleAttr, "display: block; white-space: pre; border: 2px solid #c77; padding: 0 1em 0 1em; margin: 1em; background-color: #fdd; color: black");
+    
+    RefPtr<Element> h3 = doc->createElementNS(xhtmlNamespaceURI, "h3", ec);
+    reportElement->appendChild(h3.get(), ec);
+    h3->appendChild(doc->createTextNode("This page contains the following errors:"), ec);
+    
+    RefPtr<Element> fixed = doc->createElementNS(xhtmlNamespaceURI, "div", ec);
+    reportElement->appendChild(fixed.get(), ec);
+    fixed->setAttribute(styleAttr, "font-family:monospace;font-size:12px");
+    fixed->appendChild(doc->createTextNode(errorMessages), ec);
+    
+    h3 = doc->createElementNS(xhtmlNamespaceURI, "h3", ec);
+    reportElement->appendChild(h3.get(), ec);
+    h3->appendChild(doc->createTextNode("Below is a rendering of the page up to the first error."), ec);
+    
+    return reportElement;
+}
+
+void XMLTokenizer::insertErrorMessageBlock()
+{
+#ifdef USE_QXMLSTREAM
+    if (m_parsingFragment)
+        return;
+#endif
+    // One or more errors occurred during parsing of the code. Display an error block to the user above
+    // the normal content (the DOM tree is created manually and includes line/col info regarding 
+    // where the errors are located)
+
+    // Create elements for display
+    ExceptionCode ec = 0;
+    Document* doc = m_doc;
+    Node* documentElement = doc->documentElement();
+    if (!documentElement) {
+        RefPtr<Node> rootElement = doc->createElementNS(xhtmlNamespaceURI, "html", ec);
+        doc->appendChild(rootElement, ec);
+        RefPtr<Node> body = doc->createElementNS(xhtmlNamespaceURI, "body", ec);
+        rootElement->appendChild(body, ec);
+        documentElement = body.get();
+    }
+#if ENABLE(SVG)
+    else if (documentElement->namespaceURI() == SVGNames::svgNamespaceURI) {
+        // Until our SVG implementation has text support, it is best if we 
+        // wrap the erroneous SVG document in an xhtml document and render
+        // the combined document with error messages.
+        RefPtr<Node> rootElement = doc->createElementNS(xhtmlNamespaceURI, "html", ec);
+        RefPtr<Node> body = doc->createElementNS(xhtmlNamespaceURI, "body", ec);
+        rootElement->appendChild(body, ec);
+        body->appendChild(documentElement, ec);
+        doc->appendChild(rootElement.get(), ec);
+        documentElement = body.get();
+    }
+#endif
+
+    RefPtr<Element> reportElement = createXHTMLParserErrorHeader(doc, m_errorMessages);
+    documentElement->insertBefore(reportElement, documentElement->firstChild(), ec);
+#if ENABLE(XSLT)
+    if (doc->transformSourceDocument()) {
+        RefPtr<Element> par = doc->createElementNS(xhtmlNamespaceURI, "p", ec);
+        reportElement->appendChild(par, ec);
+        par->setAttribute(styleAttr, "white-space: normal");
+        par->appendChild(doc->createTextNode("This document was created as the result of an XSL transformation. The line and column numbers given are from the transformed result."), ec);
+    }
+#endif
+    doc->updateRendering();
+}
+
+void XMLTokenizer::notifyFinished(CachedResource* finishedObj)
+{
+    ASSERT(m_pendingScript == finishedObj);
+    ASSERT(m_pendingScript->accessCount() > 0);
+        
+    String cachedScriptUrl = m_pendingScript->url();
+    String scriptSource = m_pendingScript->script();
+    bool errorOccurred = m_pendingScript->errorOccurred();
+    m_pendingScript->deref(this);
+    m_pendingScript = 0;
+    
+    RefPtr<Element> e = m_scriptElement;
+    m_scriptElement = 0;
+    
+    if (errorOccurred) 
+        EventTargetNodeCast(e.get())->dispatchHTMLEvent(errorEvent, true, false);
+    else {
+        m_view->frame()->loader()->executeScript(cachedScriptUrl, 0, scriptSource);
+        EventTargetNodeCast(e.get())->dispatchHTMLEvent(loadEvent, false, false);
+    }
+    
+    m_scriptElement = 0;
+    
+    if (!m_requestingScript)
+        resumeParsing();
+}
+
+bool XMLTokenizer::isWaitingForScripts() const
+{
+    return m_pendingScript != 0;
+}
+
+#if ENABLE(XSLT)
+void* xmlDocPtrForString(DocLoader* docLoader, const String& source, const String& url)
+{
+    if (source.isEmpty())
+        return 0;
+
+    // Parse in a single chunk into an xmlDocPtr
+    // FIXME: Hook up error handlers so that a failure to parse the main document results in
+    // good error messages.
+    const UChar BOM = 0xFEFF;
+    const unsigned char BOMHighByte = *reinterpret_cast<const unsigned char*>(&BOM);
+
+    xmlGenericErrorFunc oldErrorFunc = xmlGenericError;
+    void* oldErrorContext = xmlGenericErrorContext;
+    
+    setLoaderForLibXMLCallbacks(docLoader);        
+    xmlSetGenericErrorFunc(0, errorFunc);
+    
+    xmlDocPtr sourceDoc = xmlReadMemory(reinterpret_cast<const char*>(source.characters()),
+                                        source.length() * sizeof(UChar),
+                                        url.latin1().data(),
+                                        BOMHighByte == 0xFF ? "UTF-16LE" : "UTF-16BE", 
+                                        XSLT_PARSE_OPTIONS);
+    
+    setLoaderForLibXMLCallbacks(0);
+    xmlSetGenericErrorFunc(oldErrorContext, oldErrorFunc);
+    
+    return sourceDoc;
+}
+#endif
+
+int XMLTokenizer::lineNumber() const
+{
+#ifndef USE_QXMLSTREAM
+    return m_context ? m_context->input->line : 1;
+#else
+    return m_stream.lineNumber();
+#endif
+}
+
+int XMLTokenizer::columnNumber() const
+{
+#ifndef USE_QXMLSTREAM
+    return m_context ? m_context->input->col : 1;
+#else
+    return m_stream.columnNumber();
+#endif
+}
+
+void XMLTokenizer::stopParsing()
+{
+    Tokenizer::stopParsing();
+#ifndef USE_QXMLSTREAM
+    xmlStopParser(m_context);
+#endif
+}
+
+void XMLTokenizer::pauseParsing()
+{
+    if (m_parsingFragment)
+        return;
+    
+    m_parserPaused = true;
+}
+
+void XMLTokenizer::resumeParsing()
+{
+    ASSERT(m_parserPaused);
+    
+    m_parserPaused = false;
+
+    // First, execute any pending callbacks
+#ifndef USE_QXMLSTREAM
+    while (!m_pendingCallbacks->isEmpty()) {
+        m_pendingCallbacks->callAndRemoveFirstCallback(this);
+        
+        // A callback paused the parser
+        if (m_parserPaused)
+            return;
+    }
+#else
+    parse();
+    if (m_parserPaused)
+        return;
+#endif
+
+    // Then, write any pending data
+    SegmentedString rest = m_pendingSrc;
+    m_pendingSrc.clear();
+    write(rest, false);
+
+    // Finally, if finish() has been called and write() didn't result
+    // in any further callbacks being queued, call end()
+    if (m_finishCalled
+#ifndef USE_QXMLSTREAM
+        && m_pendingCallbacks->isEmpty())
+#else
+        )
+#endif
+        end();
+}
+
+#ifndef USE_QXMLSTREAM
+static void balancedStartElementNsHandler(void* closure, const xmlChar* localname, const xmlChar* prefix,
+                                          const xmlChar* uri, int nb_namespaces, const xmlChar** namespaces,
+                                          int nb_attributes, int nb_defaulted, const xmlChar** libxmlAttributes)
+{
+   static_cast<XMLTokenizer*>(closure)->startElementNs(localname, prefix, uri, nb_namespaces, namespaces, nb_attributes, nb_defaulted, libxmlAttributes);
+}
+
+static void balancedEndElementNsHandler(void* closure, const xmlChar* localname, const xmlChar* prefix, const xmlChar* uri)
+{
+    static_cast<XMLTokenizer*>(closure)->endElementNs();
+}
+
+static void balancedCharactersHandler(void* closure, const xmlChar* s, int len)
+{
+    static_cast<XMLTokenizer*>(closure)->characters(s, len);
+}
+
+static void balancedProcessingInstructionHandler(void* closure, const xmlChar* target, const xmlChar* data)
+{
+    static_cast<XMLTokenizer*>(closure)->processingInstruction(target, data);
+}
+
+static void balancedCdataBlockHandler(void* closure, const xmlChar* s, int len)
+{
+    static_cast<XMLTokenizer*>(closure)->cdataBlock(s, len);
+}
+
+static void balancedCommentHandler(void* closure, const xmlChar* comment)
+{
+    static_cast<XMLTokenizer*>(closure)->comment(comment);
+}
+
+WTF_ATTRIBUTE_PRINTF(2, 3)
+static void balancedWarningHandler(void* closure, const char* message, ...)
+{
+    va_list args;
+    va_start(args, message);
+    static_cast<XMLTokenizer*>(closure)->error(XMLTokenizer::warning, message, args);
+    va_end(args);
+}
+#endif
+bool parseXMLDocumentFragment(const String& string, DocumentFragment* fragment, Element* parent)
+{
+    if (!string.length())
+        return true;
+
+    XMLTokenizer tokenizer(fragment, parent);
+    
+#ifndef USE_QXMLSTREAM
+    xmlSAXHandler sax;
+    memset(&sax, 0, sizeof(sax));
+
+    sax.characters = balancedCharactersHandler;
+    sax.processingInstruction = balancedProcessingInstructionHandler;
+    sax.startElementNs = balancedStartElementNsHandler;
+    sax.endElementNs = balancedEndElementNsHandler;
+    sax.cdataBlock = balancedCdataBlockHandler;
+    sax.ignorableWhitespace = balancedCharactersHandler;
+    sax.comment = balancedCommentHandler;
+    sax.warning = balancedWarningHandler;
+    sax.initialized = XML_SAX2_MAGIC;
+    
+    int result = xmlParseBalancedChunkMemory(0, &sax, &tokenizer, 0, (const xmlChar*)string.utf8().data(), 0);
+    tokenizer.endDocument();
+    return result == 0;
+#else
+    tokenizer.write(String("<qxmlstreamdummyelement>"), false);
+    tokenizer.write(string, false);
+    tokenizer.write(String("</qxmlstreamdummyelement>"), false);
+    tokenizer.finish();
+    return !tokenizer.hasError();
+#endif
+}
+
+// --------------------------------
+
+struct AttributeParseState {
+    HashMap<String, String> attributes;
+    bool gotAttributes;
+};
+
+#ifndef USE_QXMLSTREAM
+static void attributesStartElementNsHandler(void* closure, const xmlChar* xmlLocalName, const xmlChar* xmlPrefix,
+                                            const xmlChar* xmlURI, int nb_namespaces, const xmlChar** namespaces,
+                                            int nb_attributes, int nb_defaulted, const xmlChar** libxmlAttributes)
+{
+    if (strcmp(reinterpret_cast<const char*>(xmlLocalName), "attrs") != 0)
+        return;
+    
+    xmlParserCtxtPtr ctxt = static_cast<xmlParserCtxtPtr>(closure);
+    AttributeParseState* state = static_cast<AttributeParseState*>(ctxt->_private);
+    
+    state->gotAttributes = true;
+    
+    xmlSAX2Attributes* attributes = reinterpret_cast<xmlSAX2Attributes*>(libxmlAttributes);
+    for(int i = 0; i < nb_attributes; i++) {
+        String attrLocalName = toString(attributes[i].localname);
+        int valueLength = (int) (attributes[i].end - attributes[i].value);
+        String attrValue = toString(attributes[i].value, valueLength);
+        String attrPrefix = toString(attributes[i].prefix);
+        String attrQName = attrPrefix.isEmpty() ? attrLocalName : attrPrefix + ":" + attrLocalName;
+        
+        state->attributes.set(attrQName, attrValue);
+    }
+}
+#else
+static void attributesStartElementNsHandler(AttributeParseState* state, const QXmlStreamAttributes& attrs)
+{
+    if (attrs.count() <= 0)
+        return;
+
+    state->gotAttributes = true;
+
+    for(int i = 0; i < attrs.count(); i++) {
+        const QXmlStreamAttribute& attr = attrs[i];
+        String attrLocalName = attr.name();
+        String attrValue     = attr.value();
+        String attrURI       = attr.namespaceUri();
+        String attrQName     = attr.qualifiedName();
+        state->attributes.set(attrQName, attrValue);
+    }
+}
+#endif
+
+HashMap<String, String> parseAttributes(const String& string, bool& attrsOK)
+{
+    AttributeParseState state;
+    state.gotAttributes = false;
+
+#ifndef USE_QXMLSTREAM
+    xmlSAXHandler sax;
+    memset(&sax, 0, sizeof(sax));
+    sax.startElementNs = attributesStartElementNsHandler;
+    sax.initialized = XML_SAX2_MAGIC;
+    xmlParserCtxtPtr parser = createStringParser(&sax, &state);
+    String parseString = "<?xml version=\"1.0\"?><attrs " + string + " />";
+    xmlParseChunk(parser, reinterpret_cast<const char*>(parseString.characters()), parseString.length() * sizeof(UChar), 1);
+    if (parser->myDoc)
+        xmlFreeDoc(parser->myDoc);
+    xmlFreeParserCtxt(parser);
+#else
+    QXmlStreamReader stream;
+    QString dummy = QString("<?xml version=\"1.0\"?><attrs %1 />").arg(string);
+    stream.addData(dummy);
+    while (!stream.atEnd()) {
+        stream.readNext();
+        if (stream.isStartElement()) {
+            attributesStartElementNsHandler(&state, stream.attributes());
+        }
+    }
+#endif
+    attrsOK = state.gotAttributes;
+    return state.attributes;
+}
+
+#ifdef USE_QXMLSTREAM
+static inline String prefixFromQName(const QString& qName)
+{
+    const int offset = qName.indexOf(QLatin1Char(':'));
+    if (offset <= 0)
+        return String();
+    else
+        return qName.left(offset);
+}
+
+static inline void handleElementNamespaces(Element* newElement, const QXmlStreamNamespaceDeclarations &ns,
+                                           ExceptionCode& ec)
+{
+    for (int i = 0; i < ns.count(); ++i) {
+        const QXmlStreamNamespaceDeclaration &decl = ns[i];
+        String namespaceURI = decl.namespaceUri();
+        String namespaceQName = decl.prefix().isEmpty() ? String("xmlns") : String("xmlns:") + decl.prefix();
+        newElement->setAttributeNS("http://www.w3.org/2000/xmlns/", namespaceQName, namespaceURI, ec);
+        if (ec) // exception setting attributes
+            return;
+    }
+}
+
+static inline void handleElementAttributes(Element* newElement, const QXmlStreamAttributes &attrs, ExceptionCode& ec)
+{
+    for (int i = 0; i < attrs.count(); ++i) {
+        const QXmlStreamAttribute &attr = attrs[i];
+        String attrLocalName = attr.name();
+        String attrValue     = attr.value();
+        String attrURI       = attr.namespaceUri().isEmpty() ? String() : String(attr.namespaceUri());
+        String attrQName     = attr.qualifiedName();
+        newElement->setAttributeNS(attrURI, attrQName, attrValue, ec);
+        if (ec) // exception setting attributes
+            return;
+    }
+}
+
+void XMLTokenizer::parse()
+{
+    while (!m_parserStopped && !m_parserPaused && !m_stream.atEnd()) {
+        m_stream.readNext();
+        switch (m_stream.tokenType()) {
+        case QXmlStreamReader::StartDocument: {
+            startDocument();
+        }
+            break;
+        case QXmlStreamReader::EndDocument: {
+            endDocument();
+        }
+            break;
+        case QXmlStreamReader::StartElement: {
+            parseStartElement();
+        }
+            break;
+        case QXmlStreamReader::EndElement: {
+            parseEndElement();
+        }
+            break;
+        case QXmlStreamReader::Characters: {
+            if (m_stream.isCDATA()) {
+                //cdata
+                parseCdata();
+            } else {
+                //characters
+                parseCharacters();
+            }
+        }
+            break;
+        case QXmlStreamReader::Comment: {
+            parseComment();
+        }
+            break;
+        case QXmlStreamReader::DTD: {
+            //qDebug()<<"------------- DTD";
+            parseDtd();
+        }
+            break;
+        case QXmlStreamReader::EntityReference: {
+            //qDebug()<<"---------- ENTITY = "<<m_stream.name().toString()
+            //        <<", t = "<<m_stream.text().toString();
+            if (isXHTMLDocument()) {
+                QString entity = m_stream.name().toString();
+                UChar c = decodeNamedEntity(entity.toUtf8().constData());
+                if (m_currentNode->isTextNode() || enterText()) {
+                    ExceptionCode ec = 0;
+                    String str(&c, 1);
+                    //qDebug()<<" ------- adding entity "<<str;
+                    static_cast<Text*>(m_currentNode)->appendData(str, ec);
+                }
+            }
+        }
+            break;
+        case QXmlStreamReader::ProcessingInstruction: {
+            parseProcessingInstruction();
+        }
+            break;
+        default: {
+            if (m_stream.error() != QXmlStreamReader::PrematureEndOfDocumentError) {
+                ErrorType type = (m_stream.error() == QXmlStreamReader::NotWellFormedError) ?
+                                 fatal : warning;
+                handleError(type, qPrintable(m_stream.errorString()), lineNumber(),
+                            columnNumber());
+            }
+        }
+            break;
+        }
+    }
+}
+
+void XMLTokenizer::startDocument()
+{
+    initializeParserContext();
+    ExceptionCode ec = 0;
+
+    if (!m_parsingFragment) {
+        m_doc->setXMLStandalone(m_stream.isStandaloneDocument(), ec);
+
+#if QT_VERSION >= 0x040400
+        QStringRef version = m_stream.documentVersion();
+        if (!version.isEmpty())
+            m_doc->setXMLVersion(version, ec);
+        QStringRef encoding = m_stream.documentEncoding();
+        if (!encoding.isEmpty())
+            m_doc->setXMLEncoding(encoding);
+#endif
+    }
+}
+
+void XMLTokenizer::parseStartElement()
+{
+    if (!m_sawFirstElement && m_parsingFragment) {
+        // skip dummy element for fragments
+        m_sawFirstElement = true;
+        return;
+    }
+    m_sawFirstElement = true;
+
+    exitText();
+
+    String localName = m_stream.name();
+    String uri       = m_stream.namespaceUri();
+    String prefix    = prefixFromQName(m_stream.qualifiedName().toString());
+
+    if (m_parsingFragment && uri.isNull()) {
+        Q_ASSERT (prefix.isNull());
+        uri = m_defaultNamespaceURI;
+    }
+
+    ExceptionCode ec = 0;
+    QualifiedName qName(prefix, localName, uri);
+    RefPtr<Element> newElement = m_doc->createElement(qName, true, ec);
+    if (!newElement) {
+        stopParsing();
+        return;
+    }
+
+    handleElementNamespaces(newElement.get(), m_stream.namespaceDeclarations(), ec);
+    if (ec) {
+        stopParsing();
+        return;
+    }
+
+    handleElementAttributes(newElement.get(), m_stream.attributes(), ec);
+    if (ec) {
+        stopParsing();
+        return;
+    }
+
+    if (newElement->hasTagName(scriptTag))
+        static_cast<HTMLScriptElement*>(newElement.get())->setCreatedByParser(true);
+
+    if (newElement->hasTagName(HTMLNames::scriptTag)
+#if ENABLE(SVG)
+        || newElement->hasTagName(SVGNames::scriptTag)
+#endif
+        )
+        m_scriptStartLine = lineNumber();
+
+    if (!m_currentNode->addChild(newElement.get())) {
+        stopParsing();
+        return;
+    }
+
+    setCurrentNode(newElement.get());
+    if (m_view && !newElement->attached())
+        newElement->attach();
+}
+
+void XMLTokenizer::parseEndElement()
+{
+    exitText();
+
+    Node* n = m_currentNode;
+
+    // skip end of dummy element
+//     if (m_parsingFragment & n->nodeType() == Node::DOCUMENT_FRAGMENT_NODE)
+//         return;
+    
+    RefPtr<Node> parent = n->parentNode();
+    n->finishParsingChildren();
+
+    // don't load external scripts for standalone documents (for now)
+    if (n->isElementNode() && m_view && (static_cast<Element*>(n)->hasTagName(scriptTag) 
+#if ENABLE(SVG)
+                                         || static_cast<Element*>(n)->hasTagName(SVGNames::scriptTag)
+#endif
+                                         )) {
+
+
+        ASSERT(!m_pendingScript);
+
+        m_requestingScript = true;
+
+        Element* scriptElement = static_cast<Element*>(n);
+        String scriptHref;
+
+        if (static_cast<Element*>(n)->hasTagName(scriptTag))
+            scriptHref = scriptElement->getAttribute(srcAttr);
+#if ENABLE(SVG)
+        else if (static_cast<Element*>(n)->hasTagName(SVGNames::scriptTag))
+            scriptHref = scriptElement->getAttribute(XLinkNames::hrefAttr);
+#endif
+        if (!scriptHref.isEmpty()) {
+            // we have a src attribute
+            const AtomicString& charset = scriptElement->getAttribute(charsetAttr);
+            if ((m_pendingScript = m_doc->docLoader()->requestScript(scriptHref, charset))) {
+                m_scriptElement = scriptElement;
+                m_pendingScript->ref(this);
+
+                // m_pendingScript will be 0 if script was already loaded and ref() executed it
+                if (m_pendingScript)
+                    pauseParsing();
+            } else
+                m_scriptElement = 0;
+
+        } else {
+            String scriptCode = "";
+            for (Node* child = scriptElement->firstChild(); child; child = child->nextSibling()) {
+                if (child->isTextNode() || child->nodeType() == Node::CDATA_SECTION_NODE)
+                    scriptCode += static_cast<CharacterData*>(child)->data();
+            }
+            m_view->frame()->loader()->executeScript(m_doc->url().string(), m_scriptStartLine - 1, scriptCode);
+        }
+        m_requestingScript = false;
+    }
+
+    setCurrentNode(parent.get());
+}
+
+void XMLTokenizer::parseCharacters()
+{
+    if (m_currentNode->isTextNode() || enterText()) {
+        ExceptionCode ec = 0;
+        static_cast<Text*>(m_currentNode)->appendData(m_stream.text(), ec);
+    }
+}
+
+void XMLTokenizer::parseProcessingInstruction()
+{
+    exitText();
+
+    // ### handle exceptions
+    int exception = 0;
+    RefPtr<ProcessingInstruction> pi = m_doc->createProcessingInstruction(
+        m_stream.processingInstructionTarget(),
+        m_stream.processingInstructionData(), exception);
+    if (exception)
+        return;
+
+    if (!m_currentNode->addChild(pi.get()))
+        return;
+    if (m_view && !pi->attached())
+        pi->attach();
+
+    // don't load stylesheets for standalone documents
+    if (m_doc->frame()) {
+        m_sawXSLTransform = !m_sawFirstElement && !pi->checkStyleSheet();
+        if (m_sawXSLTransform)
+            stopParsing();
+    }
+}
+
+void XMLTokenizer::parseCdata()
+{
+    exitText();
+
+    RefPtr<Node> newNode = new CDATASection(m_doc, m_stream.text());
+    if (!m_currentNode->addChild(newNode.get()))
+        return;
+    if (m_view && !newNode->attached())
+        newNode->attach();
+}
+
+void XMLTokenizer::parseComment()
+{
+    exitText();
+
+    RefPtr<Node> newNode = new Comment(m_doc, m_stream.text());
+    m_currentNode->addChild(newNode.get());
+    if (m_view && !newNode->attached())
+        newNode->attach();
+}
+
+void XMLTokenizer::endDocument()
+{
+}
+
+bool XMLTokenizer::hasError() const
+{
+    return m_stream.hasError();
+}
+
+#if QT_VERSION < 0x040400
+static QString parseId(const QString &dtd, int *pos, bool *ok)
+{
+    *ok = true;
+    int start = *pos + 1;
+    int end = start;
+    if (dtd.at(*pos) == QLatin1Char('\''))
+        while (start < dtd.length() && dtd.at(end) != QLatin1Char('\''))
+            ++end;
+    else if (dtd.at(*pos) == QLatin1Char('\"'))
+        while (start < dtd.length() && dtd.at(end) != QLatin1Char('\"'))
+            ++end;
+    else {
+        *ok = false;
+        return QString();
+    }
+    *pos = end + 1;
+    return dtd.mid(start, end - start);
+}
+#endif
+
+void XMLTokenizer::parseDtd()
+{
+#if QT_VERSION >= 0x040400
+    QStringRef name = m_stream.dtdName();
+    QStringRef publicId = m_stream.dtdPublicId();
+    QStringRef systemId = m_stream.dtdSystemId();
+#else
+    QString dtd = m_stream.text().toString();
+
+    int start = dtd.indexOf("<!DOCTYPE ") + 10;
+    while (start < dtd.length() && dtd.at(start).isSpace())
+        ++start;
+    int end = start;
+    while (start < dtd.length() && !dtd.at(end).isSpace())
+        ++end;
+    QString name = dtd.mid(start, end - start);
+
+    start = end;
+    while (start < dtd.length() && dtd.at(start).isSpace())
+        ++start;
+    end = start;
+    while (start < dtd.length() && !dtd.at(end).isSpace())
+        ++end;
+    QString id = dtd.mid(start, end - start);
+    start = end;
+    while (start < dtd.length() && dtd.at(start).isSpace())
+        ++start;
+    QString publicId;
+    QString systemId;
+    if (id == QLatin1String("PUBLIC")) {
+        bool ok;
+        publicId = parseId(dtd, &start, &ok);
+        if (!ok) {
+            handleError(fatal, "Invalid DOCTYPE", lineNumber(), columnNumber());
+            return;
+        }
+        while (start < dtd.length() && dtd.at(start).isSpace())
+            ++start;
+        systemId = parseId(dtd, &start, &ok);
+        if (!ok) {
+            handleError(fatal, "Invalid DOCTYPE", lineNumber(), columnNumber());
+            return;
+        }
+    } else if (id == QLatin1String("SYSTEM")) {
+        bool ok;
+        systemId = parseId(dtd, &start, &ok);
+        if (!ok) {
+            handleError(fatal, "Invalid DOCTYPE", lineNumber(), columnNumber());
+            return;
+        }
+    } else if (id == QLatin1String("[") || id == QLatin1String(">")) {
+    } else {
+        handleError(fatal, "Invalid DOCTYPE", lineNumber(), columnNumber());
+        return;
+    }
+#endif    
+
+    //qDebug() << dtd << name << publicId << systemId;
+    if ((publicId == "-//W3C//DTD XHTML 1.0 Transitional//EN")
+        || (publicId == "-//W3C//DTD XHTML 1.1//EN")
+        || (publicId == "-//W3C//DTD XHTML 1.0 Strict//EN")
+        || (publicId == "-//W3C//DTD XHTML 1.0 Frameset//EN")
+        || (publicId == "-//W3C//DTD XHTML Basic 1.0//EN")
+        || (publicId == "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN")
+        || (publicId == "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN")
+        || (publicId == "-//WAPFORUM//DTD XHTML Mobile 1.0//EN")) {
+        setIsXHTMLDocument(true); // controls if we replace entities or not.
+    }
+    if (!m_parsingFragment)
+        m_doc->addChild(new DocumentType(m_doc, name, publicId, systemId));
+    
+}
+#endif
+}
+
+