| /* |
| * 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 "CString.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" |
| #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 <QDebug> |
| #include <wtf/Platform.h> |
| #include <wtf/StringExtras.h> |
| #include <wtf/Threading.h> |
| #include <wtf/Vector.h> |
| |
| #if ENABLE(XHTMLMP) |
| #include "HTMLNames.h" |
| #include "HTMLScriptElement.h" |
| #endif |
| |
| using namespace std; |
| |
| namespace WebCore { |
| |
| #if 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) |
| , m_wroteText(false) |
| , 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) |
| { |
| #if QT_VERSION >= 0x040400 |
| m_stream.setEntityResolver(new EntityResolver); |
| #endif |
| } |
| |
| XMLTokenizer::XMLTokenizer(DocumentFragment* fragment, Element* parentElement) |
| : m_doc(fragment->document()) |
| , m_view(0) |
| , m_wroteText(false) |
| , 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) |
| { |
| 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 QT_VERSION < 0x040400 |
| 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() == "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 (NamedNodeMap* 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() |
| { |
| clearCurrentNodeStack(); |
| if (m_parsingFragment && m_doc) |
| m_doc->deref(); |
| if (m_pendingScript) |
| m_pendingScript->removeClient(this); |
| #if QT_VERSION >= 0x040400 |
| delete m_stream.entityResolver(); |
| #endif |
| } |
| |
| void XMLTokenizer::doWrite(const String& parseString) |
| { |
| m_wroteText = true; |
| |
| if (m_doc->decoder() && m_doc->decoder()->sawError()) { |
| // If the decoder saw an error, report it as fatal (stops parsing) |
| handleError(fatal, "Encoding error", lineNumber(), columnNumber()); |
| return; |
| } |
| |
| 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(); |
| } |
| |
| return; |
| } |
| |
| void XMLTokenizer::initializeParserContext(const char* chunk) |
| { |
| m_parserStopped = false; |
| m_sawError = false; |
| m_sawXSLTransform = false; |
| m_sawFirstElement = false; |
| } |
| |
| void XMLTokenizer::doEnd() |
| { |
| #if ENABLE(XSLT) |
| #warning Look at XMLTokenizerLibXml.cpp |
| #endif |
| |
| if (m_stream.error() == QXmlStreamReader::PrematureEndOfDocumentError || (m_wroteText && !m_sawFirstElement)) { |
| handleError(fatal, qPrintable(m_stream.errorString()), lineNumber(), |
| columnNumber()); |
| } |
| } |
| |
| #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 |
| { |
| return m_stream.lineNumber(); |
| } |
| |
| int XMLTokenizer::columnNumber() const |
| { |
| return m_stream.columnNumber(); |
| } |
| |
| void XMLTokenizer::stopParsing() |
| { |
| Tokenizer::stopParsing(); |
| } |
| |
| void XMLTokenizer::resumeParsing() |
| { |
| ASSERT(m_parserPaused); |
| |
| m_parserPaused = false; |
| |
| // First, execute any pending callbacks |
| parse(); |
| 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_parserPaused && !m_pendingScript) |
| end(); |
| } |
| |
| bool parseXMLDocumentFragment(const String& chunk, DocumentFragment* fragment, Element* parent) |
| { |
| if (!chunk.length()) |
| return true; |
| |
| XMLTokenizer tokenizer(fragment, parent); |
| |
| tokenizer.write(String("<qxmlstreamdummyelement>"), false); |
| tokenizer.write(chunk, false); |
| tokenizer.write(String("</qxmlstreamdummyelement>"), false); |
| tokenizer.finish(); |
| return !tokenizer.hasError(); |
| } |
| |
| // -------------------------------- |
| |
| struct AttributeParseState { |
| HashMap<String, String> attributes; |
| bool gotAttributes; |
| }; |
| |
| 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); |
| } |
| } |
| |
| HashMap<String, String> parseAttributes(const String& string, bool& attrsOK) |
| { |
| AttributeParseState state; |
| state.gotAttributes = false; |
| |
| QXmlStreamReader stream; |
| QString dummy = QString(QLatin1String("<?xml version=\"1.0\"?><attrs %1 />")).arg(string); |
| stream.addData(dummy); |
| while (!stream.atEnd()) { |
| stream.readNext(); |
| if (stream.isStartElement()) { |
| attributesStartElementNsHandler(&state, stream.attributes()); |
| } |
| } |
| attrsOK = state.gotAttributes; |
| return state.attributes; |
| } |
| |
| 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: { |
| #if ENABLE(XHTMLMP) |
| if (m_doc->isXHTMLMPDocument() && !m_hasDocTypeDeclaration) { |
| handleError(fatal, "DOCTYPE declaration lost.", lineNumber(), columnNumber()); |
| break; |
| } |
| #endif |
| 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(); |
| #if ENABLE(XHTMLMP) |
| m_hasDocTypeDeclaration = true; |
| #endif |
| } |
| break; |
| case QXmlStreamReader::EntityReference: { |
| //qDebug()<<"---------- ENTITY = "<<m_stream.name().toString() |
| // <<", t = "<<m_stream.text().toString(); |
| if (isXHTMLDocument() |
| #if ENABLE(XHTMLMP) |
| || isXHTMLMPDocument() |
| #endif |
| #if ENABLE(WML) |
| || isWMLDocument() |
| #endif |
| ) { |
| 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; |
| } |
| |
| 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; |
| } |
| |
| QualifiedName qName(prefix, localName, uri); |
| RefPtr<Element> newElement = m_doc->createElement(qName, true); |
| if (!newElement) { |
| stopParsing(); |
| return; |
| } |
| |
| #if ENABLE(XHTMLMP) |
| if (!m_sawFirstElement && isXHTMLMPDocument()) { |
| // As per 7.1 section 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; |
| m_stream.addExtraNamespaceDeclaration(QXmlStreamNamespaceDeclaration(prefix, HTMLNames::xhtmlNamespaceURI)); |
| } |
| } |
| #endif |
| |
| bool isFirstElement = !m_sawFirstElement; |
| m_sawFirstElement = true; |
| |
| ExceptionCode ec = 0; |
| handleElementNamespaces(newElement.get(), m_stream.namespaceDeclarations(), ec); |
| if (ec) { |
| stopParsing(); |
| return; |
| } |
| |
| handleElementAttributes(newElement.get(), m_stream.attributes(), ec); |
| if (ec) { |
| stopParsing(); |
| return; |
| } |
| |
| 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 (isFirstElement && m_doc->frame()) |
| m_doc->frame()->loader()->dispatchDocumentElementAvailable(); |
| } |
| |
| void XMLTokenizer::parseEndElement() |
| { |
| exitText(); |
| |
| Node* n = m_currentNode; |
| n->finishParsingChildren(); |
| |
| 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 ((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()->loader()->executeScript(ScriptSourceCode(scriptElement->scriptContent(), m_doc->url(), m_scriptStartLine)); |
| } |
| m_requestingScript = false; |
| popCurrentNode(); |
| } |
| |
| 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; |
| |
| 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::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() |
| { |
| #if ENABLE(XHTMLMP) |
| m_hasDocTypeDeclaration = false; |
| #endif |
| } |
| |
| 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 == QLatin1String("-//W3C//DTD XHTML 1.0 Transitional//EN")) |
| || (publicId == QLatin1String("-//W3C//DTD XHTML 1.1//EN")) |
| || (publicId == QLatin1String("-//W3C//DTD XHTML 1.0 Strict//EN")) |
| || (publicId == QLatin1String("-//W3C//DTD XHTML 1.0 Frameset//EN")) |
| || (publicId == QLatin1String("-//W3C//DTD XHTML Basic 1.0//EN")) |
| || (publicId == QLatin1String("-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN")) |
| || (publicId == QLatin1String("-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN")) |
| #if !ENABLE(XHTMLMP) |
| || (publicId == QLatin1String("-//WAPFORUM//DTD XHTML Mobile 1.0//EN")) |
| #endif |
| ) |
| setIsXHTMLDocument(true); // controls if we replace entities or not. |
| #if ENABLE(XHTMLMP) |
| else if ((publicId == QLatin1String("-//WAPFORUM//DTD XHTML Mobile 1.1//EN")) |
| || (publicId == QLatin1String("-//WAPFORUM//DTD XHTML Mobile 1.0//EN"))) { |
| if (AtomicString(name) != HTMLNames::htmlTag.localName()) { |
| handleError(fatal, "Invalid DOCTYPE declaration, expected 'html' as root element.", lineNumber(), columnNumber()); |
| return; |
| } |
| |
| if (m_doc->isXHTMLMPDocument()) // check if the MIME type is correct with this method |
| setIsXHTMLMPDocument(true); |
| else |
| setIsXHTMLDocument(true); |
| } |
| #endif |
| #if ENABLE(WML) |
| else if (m_doc->isWMLDocument() |
| && publicId != QLatin1String("-//WAPFORUM//DTD WML 1.3//EN") |
| && publicId != QLatin1String("-//WAPFORUM//DTD WML 1.2//EN") |
| && publicId != QLatin1String("-//WAPFORUM//DTD WML 1.1//EN") |
| && publicId != QLatin1String("-//WAPFORUM//DTD WML 1.0//EN")) |
| handleError(fatal, "Invalid DTD Public ID", lineNumber(), columnNumber()); |
| #endif |
| if (!m_parsingFragment) |
| m_doc->addChild(DocumentType::create(m_doc, name, publicId, systemId)); |
| |
| } |
| } |
| |
