Merge webkit.org at r61121: Initial merge by git.

Change-Id: Icd6db395c62285be384d137164d95d7466c98760

1 files changed, 0 insertions, 1457 deletions

diff --git a/WebCore/dom/XMLTokenizerLibxml2.cpp b/WebCore/dom/XMLTokenizerLibxml2.cpp
deleted file mode 100644
index 06cf4a5..0000000
--- a/WebCore/dom/XMLTokenizerLibxml2.cpp
+++ /dev/null
@@ -1,1457 +0,0 @@
-/*
- * 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) 2008 Nokia Corporation and/or its subsidiary(-ies)
- * Copyright (C) 2008 Holger Hans Peter Freyther
- * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
- *
- * 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 "CachedScript.h"
-#include "Comment.h"
-#include "DocLoader.h"
-#include "Document.h"
-#include "DocumentFragment.h"
-#include "DocumentType.h"
-#include "Frame.h"
-#include "FrameLoader.h"
-#include "FrameView.h"
-#include "HTMLLinkElement.h"
-#include "HTMLStyleElement.h"
-#include "HTMLTokenizer.h" // for decodeNamedEntity
-#include "ProcessingInstruction.h"
-#include "ResourceError.h"
-#include "ResourceHandle.h"
-#include "ResourceRequest.h"
-#include "ResourceResponse.h"
-#include "ScriptController.h"
-#include "ScriptElement.h"
-#include "ScriptSourceCode.h"
-#include "ScriptValue.h"
-#include "TextResourceDecoder.h"
-#include "TransformSource.h"
-#include "XMLNSNames.h"
-#include "XMLTokenizerScope.h"
-#include <libxml/parser.h>
-#include <libxml/parserInternals.h>
-#include <wtf/text/CString.h>
-#include <wtf/StringExtras.h>
-#include <wtf/Threading.h>
-#include <wtf/UnusedParam.h>
-#include <wtf/Vector.h>
-
-#if ENABLE(XSLT)
-#include <libxslt/xslt.h>
-#endif
-
-#if ENABLE(XHTMLMP)
-#include "HTMLNames.h"
-#include "HTMLScriptElement.h"
-#endif
-
-using namespace std;
-
-namespace WebCore {
-
-class PendingCallbacks : public Noncopyable {
-public:
-    ~PendingCallbacks()
-    {
-        deleteAllValues(m_callbacks);
-    }
-    
-    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 = static_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 = static_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 xmlChar* message, int lineNumber, int columnNumber)
-    {
-        PendingErrorCallback* callback = new PendingErrorCallback;
-        
-        callback->message = xmlStrdup(message);
-        callback->type = type;
-        callback->lineNumber = lineNumber;
-        callback->columnNumber = columnNumber;
-        
-        m_callbacks.append(callback);
-    }
-
-    void callAndRemoveFirstCallback(XMLTokenizer* tokenizer)
-    {
-        OwnPtr<PendingCallback> callback(m_callbacks.first());
-        m_callbacks.removeFirst();
-        callback->call(tokenizer);
-    }
-    
-    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_cast<const xmlChar**>(namespaces),
-                                      nb_attributes, nb_defaulted, const_cast<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() 
-        {
-            xmlFree(message);
-        }
-        
-        virtual void call(XMLTokenizer* tokenizer) 
-        {
-            tokenizer->handleError(type, reinterpret_cast<char*>(message), lineNumber, columnNumber);
-        }
-        
-        XMLTokenizer::ErrorType type;
-        xmlChar* message;
-        int lineNumber;
-        int columnNumber;
-    };
-    
-    Deque<PendingCallback*> m_callbacks;
-};
-// --------------------------------
-
-static int globalDescriptor = 0;
-static ThreadIdentifier libxmlLoaderThread = 0;
-
-static int matchFunc(const char*)
-{
-    // 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 XMLTokenizerScope::currentDocLoader && 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 KURL& url)
-{
-    String urlString = url.string();
-
-    // On non-Windows platforms libxml asks for this URL, the
-    // "XML_XML_DEFAULT_CATALOG", on initialization.
-    if (urlString == "file:///etc/xml/catalog")
-        return false;
-
-    // On Windows, libxml computes a URL relative to where its DLL resides.
-    if (urlString.startsWith("file:///", false) && urlString.endsWith("/etc/catalog", false))
-        return false;
-
-    // The most common DTD.  There isn't much point in hammering www.w3c.org
-    // by requesting this URL for every XHTML document.
-    if (urlString.startsWith("http://www.w3.org/TR/xhtml", false))
-        return false;
-
-    // Similarly, there isn't much point in requesting the SVG DTD.
-    if (urlString.startsWith("http://www.w3.org/Graphics/SVG", false))
-        return false;
-
-    // The libxml doesn't give us a lot of context for deciding whether to
-    // allow this request.  In the worst case, this load could be for an
-    // external entity and the resulting document could simply read the
-    // retrieved content.  If we had more context, we could potentially allow
-    // the parser to load a DTD.  As things stand, we take the conservative
-    // route and allow same-origin requests only.
-    if (!XMLTokenizerScope::currentDocLoader->doc()->securityOrigin()->canRequest(url)) {
-        XMLTokenizerScope::currentDocLoader->printAccessDeniedMessage(url);
-        return false;
-    }
-
-    return true;
-}
-
-static void* openFunc(const char* uri)
-{
-    ASSERT(XMLTokenizerScope::currentDocLoader);
-    ASSERT(currentThread() == libxmlLoaderThread);
-
-    KURL url(KURL(), uri);
-
-    if (!shouldAllowExternalLoad(url))
-        return &globalDescriptor;
-
-    ResourceError error;
-    ResourceResponse response;
-    Vector<char> data;
-
-
-    {
-        DocLoader* docLoader = XMLTokenizerScope::currentDocLoader;
-        XMLTokenizerScope scope(0);
-        // FIXME: We should restore the original global error handler as well.
-
-        if (docLoader->frame()) 
-            docLoader->frame()->loader()->loadResourceSynchronously(url, AllowStoredCredentials, error, response, data);
-    }
-
-    // We have to check the URL again after the load to catch redirects.
-    // See <https://bugs.webkit.org/show_bug.cgi?id=21963>.
-    if (!shouldAllowExternalLoad(response.url()))
-        return &globalDescriptor;
-
-    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*, const char*, int)
-{
-    // 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;
-}
-
-#if ENABLE(XSLT)
-static void errorFunc(void*, const char*, ...)
-{
-    // FIXME: It would be nice to display error messages somewhere.
-}
-#endif
-
-static bool didInit = false;
-
-PassRefPtr<XMLParserContext> XMLParserContext::createStringParser(xmlSAXHandlerPtr handlers, void* userData)
-{
-    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 adoptRef(new XMLParserContext(parser));
-}
-
-
-// Chunk should be encoded in UTF-8
-PassRefPtr<XMLParserContext> XMLParserContext::createMemoryParser(xmlSAXHandlerPtr handlers, void* userData, const char* chunk)
-{
-    if (!didInit) {
-        xmlInitParser();
-        xmlRegisterInputCallbacks(matchFunc, openFunc, readFunc, closeFunc);
-        xmlRegisterOutputCallbacks(matchFunc, openFunc, writeFunc, closeFunc);
-        libxmlLoaderThread = currentThread();
-        didInit = true;
-    }
-
-    xmlParserCtxtPtr parser = xmlCreateMemoryParserCtxt(chunk, xmlStrlen((const xmlChar*)chunk));
-
-    if (!parser)
-        return 0;
-
-    // Copy the sax handler
-    memcpy(parser->sax, handlers, sizeof(xmlSAXHandler));
-
-    // Set parser options.
-    // XML_PARSE_NODICT: default dictionary option.
-    // XML_PARSE_NOENT: force entities substitutions.
-    xmlCtxtUseOptions(parser, XML_PARSE_NODICT | XML_PARSE_NOENT);
-
-    // Internal initialization
-    parser->sax2 = 1;
-    parser->instate = XML_PARSER_CONTENT; // We are parsing a CONTENT
-    parser->depth = 0;
-    parser->str_xml = xmlDictLookup(parser->dict, BAD_CAST "xml", 3);
-    parser->str_xmlns = xmlDictLookup(parser->dict, BAD_CAST "xmlns", 5);
-    parser->str_xml_ns = xmlDictLookup(parser->dict, XML_XML_NAMESPACE, 36);
-    parser->_private = userData;
-    
-    return adoptRef(new XMLParserContext(parser));
-}
-
-// --------------------------------
-
-XMLTokenizer::XMLTokenizer(Document* _doc, FrameView* _view)
-    : m_doc(_doc)
-    , m_view(_view)
-    , m_context(0)
-    , m_pendingCallbacks(new PendingCallbacks)
-    , m_currentNode(_doc)
-    , m_sawError(false)
-    , m_sawXSLTransform(false)
-    , m_sawFirstElement(false)
-    , m_isXHTMLDocument(false)
-#if ENABLE(XHTMLMP)
-    , m_isXHTMLMPDocument(false)
-    , m_hasDocTypeDeclaration(false)
-#endif
-    , 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)
-    , m_scriptingPermission(FragmentScriptingAllowed)
-{
-}
-
-XMLTokenizer::XMLTokenizer(DocumentFragment* fragment, Element* parentElement, FragmentScriptingPermission scriptingPermission)
-    : m_doc(fragment->document())
-    , m_view(0)
-    , m_context(0)
-    , m_pendingCallbacks(new PendingCallbacks)
-    , m_currentNode(fragment)
-    , m_sawError(false)
-    , m_sawXSLTransform(false)
-    , m_sawFirstElement(false)
-    , m_isXHTMLDocument(false)
-#if ENABLE(XHTMLMP)
-    , m_isXHTMLMPDocument(false)
-    , m_hasDocTypeDeclaration(false)
-#endif
-    , 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)
-    , m_scriptingPermission(scriptingPermission)
-{
-    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;
-    
-    for (Element* element = elemStack.last(); !elemStack.isEmpty(); elemStack.removeLast()) {
-        if (NamedNodeMap* attrs = element->attributes()) {
-            for (unsigned i = 0; i < attrs->length(); i++) {
-                Attribute* attr = attrs->attributeItem(i);
-                if (attr->localName() == xmlnsAtom)
-                    m_defaultNamespaceURI = attr->value();
-                else if (attr->prefix() == xmlnsAtom)
-                    m_prefixToNamespaceMap.set(attr->localName(), attr->value());
-            }
-        }
-    }
-
-    // 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();
-}
-
-XMLParserContext::~XMLParserContext()
-{
-    if (m_context->myDoc)
-        xmlFreeDoc(m_context->myDoc);
-    xmlFreeParserCtxt(m_context);
-}
-
-XMLTokenizer::~XMLTokenizer()
-{
-    clearCurrentNodeStack();
-    if (m_parsingFragment && m_doc)
-        m_doc->deref();
-    if (m_pendingScript)
-        m_pendingScript->removeClient(this);
-}
-
-void XMLTokenizer::doWrite(const String& parseString)
-{
-    if (!m_context)
-        initializeParserContext();
-
-    // Protect the libxml context from deletion during a callback
-    RefPtr<XMLParserContext> context = m_context;
-
-    // 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(context->context(), BOMHighByte == 0xFF ? XML_CHAR_ENCODING_UTF16LE : XML_CHAR_ENCODING_UTF16BE);
-
-        XMLTokenizerScope scope(m_doc->docLoader());
-        xmlParseChunk(context->context(), reinterpret_cast<const char*>(parseString.characters()), sizeof(UChar) * parseString.length(), 0);
-    }
-    
-    if (m_doc->decoder() && m_doc->decoder()->sawError()) {
-        // If the decoder saw an error, report it as fatal (stops parsing)
-        handleError(fatal, "Encoding error", context->context()->input->line, context->context()->input->col);
-    }
-
-    return;
-}
-
-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, FragmentScriptingPermission scriptingPermission)
-{
-    xmlSAX2Namespace* namespaces = reinterpret_cast<xmlSAX2Namespace*>(libxmlNamespaces);
-    for (int i = 0; i < nb_namespaces; i++) {
-        AtomicString namespaceQName = xmlnsAtom;
-        String namespaceURI = toString(namespaces[i].uri);
-        if (namespaces[i].prefix)
-            namespaceQName = "xmlns:" + toString(namespaces[i].prefix);
-        newElement->setAttributeNS(XMLNSNames::xmlnsNamespaceURI, namespaceQName, namespaceURI, ec, scriptingPermission);
-        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, FragmentScriptingPermission scriptingPermission)
-{
-    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, scriptingPermission);
-        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;
-    }
-
-#if ENABLE(XHTMLMP) 
-    // check if the DOCTYPE Declaration of XHTMLMP document exists
-    if (!m_hasDocTypeDeclaration && m_doc->isXHTMLMPDocument()) {
-        handleError(fatal, "DOCTYPE declaration lost.", lineNumber(), columnNumber());
-        return;
-    }
-#endif
-
-    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;
-    }
-
-#if ENABLE(XHTMLMP)
-    if (!m_sawFirstElement && isXHTMLMPDocument()) {
-        // As per the section 7.1 of OMA-WAP-XHTMLMP-V1_1-20061020-A.pdf, 
-        // we should make sure that the root element MUST be 'html' and 
-        // ensure the name of the default namespace on the root elment 'html' 
-        // MUST be 'http://www.w3.org/1999/xhtml'
-        if (localName != HTMLNames::htmlTag.localName()) {
-            handleError(fatal, "XHTMLMP document expects 'html' as root element.", lineNumber(), columnNumber());
-            return;
-        }
-
-        if (uri.isNull()) {
-            m_defaultNamespaceURI = HTMLNames::xhtmlNamespaceURI; 
-            uri = m_defaultNamespaceURI;
-        }
-    }
-#endif
-
-    bool isFirstElement = !m_sawFirstElement;
-    m_sawFirstElement = true;
-
-    QualifiedName qName(prefix, localName, uri);
-    RefPtr<Element> newElement = m_doc->createElement(qName, true);
-    if (!newElement) {
-        stopParsing();
-        return;
-    }
-    
-    ExceptionCode ec = 0;
-    handleElementNamespaces(newElement.get(), libxmlNamespaces, nb_namespaces, ec, m_scriptingPermission);
-    if (ec) {
-        stopParsing();
-        return;
-    }
-
-    ScriptController* jsProxy = m_doc->frame() ? m_doc->frame()->script() : 0;
-    if (jsProxy && m_doc->frame()->script()->canExecuteScripts(NotAboutToExecuteScript))
-        jsProxy->setEventHandlerLineNumber(lineNumber());
-
-    handleElementAttributes(newElement.get(), libxmlAttributes, nb_attributes, ec, m_scriptingPermission);
-    if (ec) {
-        stopParsing();
-        return;
-    }
-
-    if (jsProxy)
-        jsProxy->setEventHandlerLineNumber(0);
-
-    newElement->beginParsingChildren();
-
-    ScriptElement* scriptElement = toScriptElement(newElement.get());
-    if (scriptElement)
-        m_scriptStartLine = lineNumber();
-
-    if (!m_currentNode->addChild(newElement.get())) {
-        stopParsing();
-        return;
-    }
-
-    pushCurrentNode(newElement.get());
-    if (m_view && !newElement->attached())
-        newElement->attach();
-
-    if (!m_parsingFragment && isFirstElement && m_doc->frame())
-        m_doc->frame()->loader()->dispatchDocumentElementAvailable();
-}
-
-void XMLTokenizer::endElementNs()
-{
-    if (m_parserStopped)
-        return;
-
-    if (m_parserPaused) {
-        m_pendingCallbacks->appendEndElementNSCallback();
-        return;
-    }
-    
-    exitText();
-
-    Node* n = m_currentNode;
-    n->finishParsingChildren();
-
-    if (m_scriptingPermission == FragmentScriptingNotAllowed && n->isElementNode() && toScriptElement(static_cast<Element*>(n))) {
-        popCurrentNode();
-        ExceptionCode ec;       
-        n->remove(ec);
-        return;
-    }
-    
-    if (!n->isElementNode() || !m_view) {
-        popCurrentNode();
-        return;
-    }
-
-    Element* element = static_cast<Element*>(n);
-
-    // The element's parent may have already been removed from document.
-    // Parsing continues in this case, but scripts aren't executed.
-    if (!element->inDocument()) {
-        popCurrentNode();
-        return;
-    }
-
-    ScriptElement* scriptElement = toScriptElement(element);
-    if (!scriptElement) {
-        popCurrentNode();
-        return;
-    }
-
-    // Don't load external scripts for standalone documents (for now).
-    ASSERT(!m_pendingScript);
-    m_requestingScript = true;
-
-#if ENABLE(XHTMLMP)
-    if (!scriptElement->shouldExecuteAsJavaScript())
-        m_doc->setShouldProcessNoscriptElement(true);
-    else 
-#endif
-    {
-        String scriptHref = scriptElement->sourceAttributeValue();
-        if (!scriptHref.isEmpty()) {
-            // we have a src attribute 
-            String scriptCharset = scriptElement->scriptCharset();
-            if (element->dispatchBeforeLoadEvent(scriptHref) &&
-                (m_pendingScript = m_doc->docLoader()->requestScript(scriptHref, scriptCharset))) {
-                m_scriptElement = element;
-                m_pendingScript->addClient(this);
-
-                // m_pendingScript will be 0 if script was already loaded and ref() executed it
-                if (m_pendingScript)
-                    pauseParsing();
-            } else 
-                m_scriptElement = 0;
-        } else
-            m_view->frame()->script()->executeScript(ScriptSourceCode(scriptElement->scriptContent(), m_doc->url(), m_scriptStartLine));
-    }
-    m_requestingScript = false;
-    popCurrentNode();
-}
-
-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 COMPILER(MSVC) || COMPILER(RVCT)
-    char m[1024];
-    vsnprintf(m, sizeof(m) - 1, message, args);
-#else
-    char* m;
-    if (vasprintf(&m, message, args) == -1)
-        return;
-#endif
-    
-    if (m_parserPaused)
-        m_pendingCallbacks->appendErrorCallback(type, reinterpret_cast<const xmlChar*>(m), lineNumber(), columnNumber());
-    else
-        handleError(type, m, lineNumber(), columnNumber());
-
-#if !COMPILER(MSVC) && !COMPILER(RVCT)
-    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;
-
-    pi->setCreatedByParser(true);
-    
-    if (!m_currentNode->addChild(pi.get()))
-        return;
-    if (m_view && !pi->attached())
-        pi->attach();
-
-    pi->finishParsingChildren();
-
-#if ENABLE(XSLT)
-    m_sawXSLTransform = !m_sawFirstElement && pi->isXSL();
-    if (m_sawXSLTransform && !m_doc->transformSourceDocument())
-        stopParsing();
-#endif
-}
-
-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 = CDATASection::create(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 = Comment::create(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();
-#if ENABLE(XHTMLMP)
-    m_hasDocTypeDeclaration = false;
-#endif
-}
-
-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) {
-#if ENABLE(WML) || ENABLE(XHTMLMP)
-        String extId = toString(externalID);
-#endif
-#if ENABLE(WML)
-        if (isWMLDocument()
-            && extId != "-//WAPFORUM//DTD WML 1.3//EN"
-            && extId != "-//WAPFORUM//DTD WML 1.2//EN"
-            && extId != "-//WAPFORUM//DTD WML 1.1//EN"
-            && extId != "-//WAPFORUM//DTD WML 1.0//EN")
-            handleError(fatal, "Invalid DTD Public ID", lineNumber(), columnNumber());
-#endif
-#if ENABLE(XHTMLMP)
-        String dtdName = toString(name);
-        if (extId == "-//WAPFORUM//DTD XHTML Mobile 1.0//EN"
-            || extId == "-//WAPFORUM//DTD XHTML Mobile 1.1//EN") {
-            if (dtdName != HTMLNames::htmlTag.localName()) {
-                handleError(fatal, "Invalid DOCTYPE declaration, expected 'html' as root element.", lineNumber(), columnNumber());
-                return;
-            } 
-
-            if (m_doc->isXHTMLMPDocument())
-                setIsXHTMLMPDocument(true);
-            else
-                setIsXHTMLDocument(true);
-
-            m_hasDocTypeDeclaration = true;
-        }
-#endif
-
-        m_doc->addChild(DocumentType::create(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
-    UNUSED_PARAM(closure);
-
-    // 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*, const xmlChar*, const xmlChar*)
-{
-    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 static 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 xmlEntityPtr sharedXHTMLEntity()
-{
-    static xmlEntity entity;
-    if (!entity.type) {
-        entity.type = XML_ENTITY_DECL;
-        entity.orig = sharedXHTMLEntityResult;
-        entity.content = sharedXHTMLEntityResult;
-        entity.etype = XML_INTERNAL_PREDEFINED_ENTITY;
-    }
-    return &entity;
-}
-
-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);
-    xmlEntityPtr entity = sharedXHTMLEntity();
-    entity->length = value.length();
-    entity->name = name;
-    memcpy(sharedXHTMLEntityResult, value.data(), entity->length + 1);
-
-    return entity;
-}
-
-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()
-#if ENABLE(XHTMLMP)
-                 || getTokenizer(closure)->isXHTMLMPDocument()
-#endif
-#if ENABLE(WML)
-                 || getTokenizer(closure)->isWMLDocument()
-#endif
-       )) {
-        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*, const xmlChar* externalId, const xmlChar*)
-{
-    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*, const xmlChar*, int)
-{
-    // 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
-}
-
-void XMLTokenizer::initializeParserContext(const char* chunk)
-{
-    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;
-    m_parserStopped = false;
-    m_sawError = false;
-    m_sawXSLTransform = false;
-    m_sawFirstElement = false;
-
-    XMLTokenizerScope scope(m_doc->docLoader());
-    if (m_parsingFragment)
-        m_context = XMLParserContext::createMemoryParser(&sax, this, chunk);
-    else
-        m_context = XMLParserContext::createStringParser(&sax, this);
-}
-
-void XMLTokenizer::doEnd()
-{
-#if ENABLE(XSLT)
-    if (m_sawXSLTransform) {
-        void* doc = xmlDocPtrForString(m_doc->docLoader(), m_originalSourceForTransform, m_doc->url().string());
-        m_doc->setTransformSource(new TransformSource(doc));
-        
-        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
-
-    if (m_parserStopped)
-        return;
-
-    if (m_context) {
-        // Tell libxml we're done.
-        {
-            XMLTokenizerScope scope(m_doc->docLoader());
-            xmlParseChunk(context(), 0, 0, 1);
-        }
-
-        m_context = 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);
-
-    XMLTokenizerScope scope(docLoader, errorFunc, 0);
-    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);
-    return sourceDoc;
-}
-#endif
-
-int XMLTokenizer::lineNumber() const
-{
-    return context() ? context()->input->line : 1;
-}
-
-int XMLTokenizer::columnNumber() const
-{
-    return context() ? context()->input->col : 1;
-}
-
-void XMLTokenizer::stopParsing()
-{
-    Tokenizer::stopParsing();
-    if (context())
-        xmlStopParser(context());
-}
-
-void XMLTokenizer::resumeParsing()
-{
-    ASSERT(m_parserPaused);
-    
-    m_parserPaused = false;
-
-    // First, execute any pending callbacks
-    while (!m_pendingCallbacks->isEmpty()) {
-        m_pendingCallbacks->callAndRemoveFirstCallback(this);
-        
-        // A callback paused the parser
-        if (m_parserPaused)
-            return;
-    }
-
-    // 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 && m_pendingCallbacks->isEmpty())
-        end();
-}
-
-bool parseXMLDocumentFragment(const String& chunk, DocumentFragment* fragment, Element* parent, FragmentScriptingPermission scriptingPermission)
-{
-    if (!chunk.length())
-        return true;
-
-    XMLTokenizer tokenizer(fragment, parent, scriptingPermission);
-    
-    CString chunkAsUtf8 = chunk.utf8();
-    tokenizer.initializeParserContext(chunkAsUtf8.data());
-
-    xmlParseContent(tokenizer.context());
-
-    tokenizer.endDocument();
-
-    // Check if all the chunk has been processed.
-    long bytesProcessed = xmlByteConsumed(tokenizer.context());
-    if (bytesProcessed == -1 || ((unsigned long)bytesProcessed) != chunkAsUtf8.length())
-        return false;
-
-    // No error if the chunk is well formed or it is not but we have no error.
-    return tokenizer.context()->wellFormed || xmlCtxtGetLastError(tokenizer.context()) == 0;
-}
-
-// --------------------------------
-
-struct AttributeParseState {
-    HashMap<String, String> attributes;
-    bool gotAttributes;
-};
-
-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);
-    }
-}
-
-HashMap<String, String> parseAttributes(const String& string, bool& attrsOK)
-{
-    AttributeParseState state;
-    state.gotAttributes = false;
-
-    xmlSAXHandler sax;
-    memset(&sax, 0, sizeof(sax));
-    sax.startElementNs = attributesStartElementNsHandler;
-    sax.initialized = XML_SAX2_MAGIC;
-    RefPtr<XMLParserContext> parser = XMLParserContext::createStringParser(&sax, &state);
-    String parseString = "<?xml version=\"1.0\"?><attrs " + string + " />";
-    xmlParseChunk(parser->context(), reinterpret_cast<const char*>(parseString.characters()), parseString.length() * sizeof(UChar), 1);
-    attrsOK = state.gotAttributes;
-    return state.attributes;
-}
-
-}