Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 375 insertions, 0 deletions

diff --git a/sax/source/fastparser/legacyfastparser.cxx b/sax/source/fastparser/legacyfastparser.cxx
new file mode 100644
index 000000000..e4c425bd0
--- /dev/null
+++ b/sax/source/fastparser/legacyfastparser.cxx
@@ -0,0 +1,375 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/xml/sax/XParser.hpp>
+#include <com/sun/star/xml/sax/FastParser.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/beans/Pair.hpp>
+#include <comphelper/attributelist.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <comphelper/processfactory.hxx>
+#include <rtl/ref.hxx>
+#include <memory>
+#include <utility>
+#include <vector>
+
+using namespace ::cppu;
+using namespace css;
+using namespace uno;
+using namespace lang;
+using namespace xml::sax;
+using namespace io;
+
+namespace {
+
+class NamespaceHandler : public WeakImplHelper< XFastNamespaceHandler >
+{
+private:
+    struct NamespaceDefine
+    {
+        OUString    m_aPrefix;
+        OUString    m_aNamespaceURI;
+
+        NamespaceDefine( OUString aPrefix, OUString aNamespaceURI ) : m_aPrefix(std::move( aPrefix )), m_aNamespaceURI(std::move( aNamespaceURI )) {}
+    };
+    std::vector< std::unique_ptr< NamespaceDefine > > m_aNamespaceDefines;
+
+public:
+    NamespaceHandler();
+    void addNSDeclAttributes( rtl::Reference < comphelper::AttributeList > const & rAttrList );
+
+    //XFastNamespaceHandler
+    virtual void SAL_CALL registerNamespace( const OUString& rNamespacePrefix, const OUString& rNamespaceURI ) override;
+    virtual OUString SAL_CALL getNamespaceURI( const OUString& rNamespacePrefix ) override;
+};
+
+NamespaceHandler::NamespaceHandler()
+{
+}
+
+void NamespaceHandler::addNSDeclAttributes( rtl::Reference < comphelper::AttributeList > const & rAttrList )
+{
+    for(const auto& aNamespaceDefine : m_aNamespaceDefines)
+    {
+        OUString& rPrefix = aNamespaceDefine->m_aPrefix;
+        OUString& rNamespaceURI = aNamespaceDefine->m_aNamespaceURI;
+        OUString sDecl;
+        if ( rPrefix.isEmpty() )
+            sDecl = "xmlns";
+        else
+            sDecl = "xmlns:" + rPrefix;
+        rAttrList->AddAttribute( sDecl, "CDATA", rNamespaceURI );
+    }
+    m_aNamespaceDefines.clear();
+}
+
+void NamespaceHandler::registerNamespace( const OUString& rNamespacePrefix, const OUString& rNamespaceURI )
+{
+    m_aNamespaceDefines.push_back( std::make_unique<NamespaceDefine>(
+                                    rNamespacePrefix, rNamespaceURI) );
+}
+
+OUString NamespaceHandler::getNamespaceURI( const OUString&/* rNamespacePrefix */ )
+{
+    return OUString();
+}
+
+class SaxLegacyFastParser : public WeakImplHelper< XInitialization, XServiceInfo, XParser >
+{
+private:
+    rtl::Reference< NamespaceHandler > m_aNamespaceHandler;
+public:
+    SaxLegacyFastParser();
+
+// css::lang::XInitialization:
+    virtual void SAL_CALL initialize(css::uno::Sequence<css::uno::Any> const& rArguments) override;
+
+// The SAX-Parser-Interface
+    virtual void SAL_CALL parseStream(  const InputSource& structSource) override;
+    virtual void SAL_CALL setDocumentHandler(const Reference< XDocumentHandler > & xHandler) override;
+    virtual void SAL_CALL setErrorHandler(const Reference< XErrorHandler > & xHandler) override;
+    virtual void SAL_CALL setDTDHandler(const Reference < XDTDHandler > & xHandler) override;
+    virtual void SAL_CALL setEntityResolver(const Reference<  XEntityResolver >& xResolver) override;
+    virtual void SAL_CALL setLocale( const Locale &locale ) override;
+
+// XServiceInfo
+    OUString SAL_CALL getImplementationName() override;
+    Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+    sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+
+private:
+    Reference< XFastParser > m_xParser;
+    Reference< XDocumentHandler > m_xDocumentHandler;
+    Reference< XFastTokenHandler > m_xTokenHandler;
+
+};
+
+
+class CallbackDocumentHandler : public WeakImplHelper< XFastDocumentHandler >
+{
+private:
+    Reference< XDocumentHandler > m_xDocumentHandler;
+    Reference< XFastTokenHandler > m_xTokenHandler;
+    rtl::Reference< NamespaceHandler > m_aNamespaceHandler;
+    OUString getNamespacePrefixFromToken( sal_Int32 nToken );
+    OUString getNameFromToken( sal_Int32 nToken );
+
+    static constexpr OUStringLiteral aDefaultNamespace = u"";
+    static constexpr OUStringLiteral aNamespaceSeparator = u":";
+
+public:
+    CallbackDocumentHandler( Reference< XDocumentHandler > const & xDocumentHandler,
+                             rtl::Reference< NamespaceHandler > const & rNamespaceHandler,
+                             Reference< XFastTokenHandler > const & xTokenHandler);
+
+    // XFastDocumentHandler
+    virtual void SAL_CALL startDocument() override;
+    virtual void SAL_CALL endDocument() override;
+    virtual void SAL_CALL processingInstruction( const OUString& rTarget, const OUString& rData ) override;
+    virtual void SAL_CALL setDocumentLocator( const Reference< XLocator >& xLocator ) override;
+
+    // XFastContextHandler
+    virtual void SAL_CALL startFastElement( sal_Int32 nElement, const Reference< XFastAttributeList >& Attribs ) override;
+    virtual void SAL_CALL startUnknownElement( const OUString& Namespace, const OUString& Name, const Reference< XFastAttributeList >& Attribs ) override;
+    virtual void SAL_CALL endFastElement( sal_Int32 Element ) override;
+    virtual void SAL_CALL endUnknownElement( const OUString& Namespace, const OUString& Name ) override;
+    virtual Reference< XFastContextHandler > SAL_CALL createFastChildContext( sal_Int32 nElement, const Reference< XFastAttributeList >& Attribs ) override;
+    virtual Reference< XFastContextHandler > SAL_CALL createUnknownChildContext( const OUString& Namespace, const OUString& Name, const Reference< XFastAttributeList >& Attribs ) override;
+    virtual void SAL_CALL characters( const OUString& aChars ) override;
+
+};
+
+OUString CallbackDocumentHandler::getNamespacePrefixFromToken( sal_Int32 nToken )
+{
+    if ( ( nToken & 0xffff0000 ) != 0 )
+    {
+        Sequence< sal_Int8 > aSeq = m_xTokenHandler->getUTF8Identifier( nToken & 0xffff0000 );
+        return OUString( reinterpret_cast< const char* >(
+                        aSeq.getConstArray() ), aSeq.getLength(), RTL_TEXTENCODING_UTF8 );
+    }
+    else
+        return OUString();
+}
+
+OUString CallbackDocumentHandler::getNameFromToken( sal_Int32 nToken )
+{
+    Sequence< sal_Int8 > aSeq = m_xTokenHandler->getUTF8Identifier( nToken & 0xffff );
+    return OUString( reinterpret_cast< const char* >(
+                    aSeq.getConstArray() ), aSeq.getLength(), RTL_TEXTENCODING_UTF8 );
+}
+
+CallbackDocumentHandler::CallbackDocumentHandler( Reference< XDocumentHandler > const & xDocumentHandler,
+                                                  rtl::Reference< NamespaceHandler > const & rNamespaceHandler,
+                                                  Reference< XFastTokenHandler > const & xTokenHandler)
+{
+   m_xDocumentHandler.set( xDocumentHandler );
+   m_aNamespaceHandler = rNamespaceHandler;
+   m_xTokenHandler.set( xTokenHandler );
+}
+
+void SAL_CALL CallbackDocumentHandler::startDocument()
+{
+    if ( m_xDocumentHandler.is() )
+        m_xDocumentHandler->startDocument();
+}
+
+void SAL_CALL CallbackDocumentHandler::endDocument()
+{
+    if ( m_xDocumentHandler.is() )
+        m_xDocumentHandler->endDocument();
+}
+
+void SAL_CALL CallbackDocumentHandler::processingInstruction( const OUString& rTarget, const OUString& rData )
+{
+    if ( m_xDocumentHandler.is() )
+        m_xDocumentHandler->processingInstruction( rTarget, rData );
+}
+
+void SAL_CALL CallbackDocumentHandler::setDocumentLocator( const Reference< XLocator >& xLocator )
+{
+    if ( m_xDocumentHandler.is() )
+        m_xDocumentHandler->setDocumentLocator( xLocator );
+}
+
+void SAL_CALL CallbackDocumentHandler::startFastElement( sal_Int32 nElement , const Reference< XFastAttributeList >& Attribs  )
+{
+    const OUString& rPrefix = CallbackDocumentHandler::getNamespacePrefixFromToken( nElement );
+    const OUString& rLocalName = CallbackDocumentHandler::getNameFromToken( nElement );
+    startUnknownElement( aDefaultNamespace, (rPrefix.isEmpty())? rLocalName : rPrefix + aNamespaceSeparator + rLocalName, Attribs );
+}
+
+void SAL_CALL CallbackDocumentHandler::startUnknownElement( const OUString& /*Namespace*/, const OUString& Name, const Reference< XFastAttributeList >& Attribs  )
+{
+    if ( !m_xDocumentHandler.is() )
+        return;
+
+    rtl::Reference < comphelper::AttributeList > rAttrList = new comphelper::AttributeList;
+    m_aNamespaceHandler->addNSDeclAttributes( rAttrList );
+
+    const Sequence< xml::FastAttribute > fastAttribs = Attribs->getFastAttributes();
+    for (const auto& rAttr : fastAttribs)
+    {
+        const OUString& rAttrValue = rAttr.Value;
+        sal_Int32 nToken = rAttr.Token;
+        const OUString& rAttrNamespacePrefix = CallbackDocumentHandler::getNamespacePrefixFromToken( nToken );
+        OUString sAttrName = CallbackDocumentHandler::getNameFromToken( nToken );
+        if ( !rAttrNamespacePrefix.isEmpty() )
+            sAttrName = rAttrNamespacePrefix + aNamespaceSeparator + sAttrName;
+
+        rAttrList->AddAttribute( sAttrName, "CDATA", rAttrValue );
+    }
+
+    const Sequence< xml::Attribute > unknownAttribs = Attribs->getUnknownAttributes();
+    for (const auto& rAttr : unknownAttribs)
+    {
+        const OUString& rAttrValue = rAttr.Value;
+        const OUString& rAttrName = rAttr.Name;
+
+        rAttrList->AddAttribute( rAttrName, "CDATA", rAttrValue );
+    }
+    m_xDocumentHandler->startElement( Name, rAttrList );
+}
+
+void SAL_CALL CallbackDocumentHandler::endFastElement( sal_Int32 nElement )
+{
+    const OUString& rPrefix = CallbackDocumentHandler::getNamespacePrefixFromToken( nElement );
+    const OUString& rLocalName = CallbackDocumentHandler::getNameFromToken( nElement );
+    endUnknownElement( aDefaultNamespace, (rPrefix.isEmpty())? rLocalName : rPrefix + aNamespaceSeparator + rLocalName );
+}
+
+
+void SAL_CALL CallbackDocumentHandler::endUnknownElement( const OUString& /*Namespace*/, const OUString& Name )
+{
+    if ( m_xDocumentHandler.is() )
+    {
+        m_xDocumentHandler->endElement( Name );
+    }
+}
+
+Reference< XFastContextHandler > SAL_CALL CallbackDocumentHandler::createFastChildContext( sal_Int32/* nElement */, const Reference< XFastAttributeList >&/* Attribs */ )
+{
+    return this;
+}
+
+
+Reference< XFastContextHandler > SAL_CALL CallbackDocumentHandler::createUnknownChildContext( const OUString&/* Namespace */, const OUString&/* Name */, const Reference< XFastAttributeList >&/* Attribs */ )
+{
+    return this;
+}
+
+void SAL_CALL CallbackDocumentHandler::characters( const OUString& aChars )
+{
+    if ( m_xDocumentHandler.is() )
+        m_xDocumentHandler->characters( aChars );
+}
+
+SaxLegacyFastParser::SaxLegacyFastParser( ) : m_aNamespaceHandler( new NamespaceHandler ),
+  m_xParser(FastParser::create(::comphelper::getProcessComponentContext() ))
+{
+    m_xParser->setNamespaceHandler( m_aNamespaceHandler );
+}
+
+void SAL_CALL SaxLegacyFastParser::initialize(Sequence< Any > const& rArguments )
+{
+    if (!rArguments.hasElements())
+        return;
+
+    Reference< XFastTokenHandler > xTokenHandler;
+    OUString str;
+    if ( ( rArguments[0] >>= xTokenHandler ) && xTokenHandler.is() )
+    {
+        m_xTokenHandler.set( xTokenHandler );
+    }
+    else if ( ( rArguments[0] >>= str ) && "registerNamespaces" == str )
+    {
+        css::beans::Pair< OUString, sal_Int32 > rPair;
+        for (sal_Int32 i = 1; i < rArguments.getLength(); i++ )
+        {
+            rArguments[i] >>= rPair;
+            m_xParser->registerNamespace( rPair.First, rPair.Second );
+        }
+    }
+    else
+    {
+        uno::Reference<lang::XInitialization> const xInit(m_xParser,
+                        uno::UNO_QUERY_THROW);
+        xInit->initialize( rArguments );
+    }
+}
+
+void SaxLegacyFastParser::parseStream( const InputSource& structSource )
+{
+    m_xParser->setFastDocumentHandler( new CallbackDocumentHandler( m_xDocumentHandler,
+                                       m_aNamespaceHandler, m_xTokenHandler ) );
+    m_xParser->setTokenHandler( m_xTokenHandler );
+    m_xParser->parseStream( structSource );
+}
+
+void SaxLegacyFastParser::setDocumentHandler( const Reference< XDocumentHandler > & xHandler )
+{
+    m_xDocumentHandler = xHandler;
+}
+
+void SaxLegacyFastParser::setErrorHandler( const Reference< XErrorHandler > & xHandler )
+{
+    m_xParser->setErrorHandler( xHandler );
+}
+
+void SaxLegacyFastParser::setDTDHandler( const Reference < XDTDHandler > &/* xHandler */ )
+{
+
+}
+
+void SaxLegacyFastParser::setEntityResolver( const Reference<  XEntityResolver >& xResolver )
+{
+    m_xParser->setEntityResolver( xResolver );
+}
+
+void SaxLegacyFastParser::setLocale( const Locale &locale )
+{
+    m_xParser->setLocale( locale );
+}
+
+OUString SaxLegacyFastParser::getImplementationName()
+{
+    return "com.sun.star.comp.extensions.xml.sax.LegacyFastParser";
+}
+
+sal_Bool SaxLegacyFastParser::supportsService(const OUString& ServiceName)
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+Sequence< OUString > SaxLegacyFastParser::getSupportedServiceNames()
+{
+    return { "com.sun.star.xml.sax.LegacyFastParser" };
+}
+
+} //namespace
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+com_sun_star_comp_extensions_xml_sax_LegacyFastParser_get_implementation(
+    css::uno::XComponentContext *,
+    css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new SaxLegacyFastParser);
+}
+
+ /* vim:set shiftwidth=4 softtabstop=4 expandtab: */