diff options
Diffstat (limited to 'xmlscript/source/xml_helper')
| -rw-r--r-- | xmlscript/source/xml_helper/xml_byteseq.cxx | 158 | ||||
| -rw-r--r-- | xmlscript/source/xml_helper/xml_element.cxx | 111 | ||||
| -rw-r--r-- | xmlscript/source/xml_helper/xml_impctx.cxx | 729 |
3 files changed, 998 insertions, 0 deletions
diff --git a/xmlscript/source/xml_helper/xml_byteseq.cxx b/xmlscript/source/xml_helper/xml_byteseq.cxx new file mode 100644 index 000000000..693ef3013 --- /dev/null +++ b/xmlscript/source/xml_helper/xml_byteseq.cxx @@ -0,0 +1,158 @@ +/* -*- 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 <string.h> + +#include <cppuhelper/implbase.hxx> +#include <xmlscript/xml_helper.hxx> +#include <com/sun/star/io/XInputStream.hpp> +#include <com/sun/star/io/XOutputStream.hpp> + +using namespace osl; +using namespace com::sun::star; +using namespace com::sun::star::uno; + + +namespace xmlscript +{ + +namespace { + +class BSeqInputStream + : public ::cppu::WeakImplHelper< io::XInputStream > +{ + std::vector<sal_Int8> _seq; + sal_Int32 _nPos; + +public: + explicit BSeqInputStream( std::vector<sal_Int8> const & rSeq ) + : _seq( rSeq ) + , _nPos( 0 ) + {} + + // XInputStream + virtual sal_Int32 SAL_CALL readBytes( + Sequence< sal_Int8 > & rData, sal_Int32 nBytesToRead ) override; + virtual sal_Int32 SAL_CALL readSomeBytes( + Sequence< sal_Int8 > & rData, sal_Int32 nMaxBytesToRead ) override; + virtual void SAL_CALL skipBytes( + sal_Int32 nBytesToSkip ) override; + virtual sal_Int32 SAL_CALL available() override; + virtual void SAL_CALL closeInput() override; +}; + +} + +sal_Int32 BSeqInputStream::readBytes( + Sequence< sal_Int8 > & rData, sal_Int32 nBytesToRead ) +{ + nBytesToRead = ((nBytesToRead > static_cast<sal_Int32>(_seq.size()) - _nPos) + ? _seq.size() - _nPos + : nBytesToRead); + + if (rData.getLength() != nBytesToRead) + rData.realloc( nBytesToRead ); + if (nBytesToRead != 0) { + memcpy(rData.getArray(), &_seq[_nPos], nBytesToRead); + } + _nPos += nBytesToRead; + return nBytesToRead; +} + +sal_Int32 BSeqInputStream::readSomeBytes( + Sequence< sal_Int8 > & rData, sal_Int32 nMaxBytesToRead ) +{ + return readBytes( rData, nMaxBytesToRead ); +} + +void BSeqInputStream::skipBytes( + sal_Int32 /*nBytesToSkip*/ ) +{ +} + +sal_Int32 BSeqInputStream::available() +{ + return _seq.size() - _nPos; +} + +void BSeqInputStream::closeInput() +{ +} + +namespace { + +class BSeqOutputStream + : public ::cppu::WeakImplHelper< io::XOutputStream > +{ + std::vector<sal_Int8> * _seq; + +public: + explicit BSeqOutputStream( std::vector<sal_Int8> * seq ) + : _seq( seq ) + {} + + // XOutputStream + virtual void SAL_CALL writeBytes( + Sequence< sal_Int8 > const & rData ) override; + virtual void SAL_CALL flush() override; + virtual void SAL_CALL closeOutput() override; +}; + +} + +void BSeqOutputStream::writeBytes( Sequence< sal_Int8 > const & rData ) +{ + sal_Int32 nPos = _seq->size(); + _seq->resize( nPos + rData.getLength() ); + if (rData.getLength() != 0) { + memcpy( _seq->data() + nPos, + rData.getConstArray(), + rData.getLength() ); + } +} +void BSeqOutputStream::flush() +{ +} + +void BSeqOutputStream::closeOutput() +{ +} + +Reference< io::XInputStream > createInputStream( std::vector<sal_Int8> const & rInData ) +{ + return new BSeqInputStream( rInData ); +} + +Reference< io::XInputStream > createInputStream( const sal_Int8* pData, int len ) +{ + std::vector<sal_Int8> rInData(len); + if (len != 0) { + memcpy( rInData.data(), pData, len); + } + return new BSeqInputStream( rInData ); +} + +Reference< io::XOutputStream > createOutputStream( std::vector<sal_Int8> * pOutData ) +{ + return new BSeqOutputStream( pOutData ); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/xmlscript/source/xml_helper/xml_element.cxx b/xmlscript/source/xml_helper/xml_element.cxx new file mode 100644 index 000000000..2c7c71c58 --- /dev/null +++ b/xmlscript/source/xml_helper/xml_element.cxx @@ -0,0 +1,111 @@ +/* -*- 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 <xmlscript/xml_helper.hxx> +#include <o3tl/safeint.hxx> +#include <osl/diagnose.h> +#include <com/sun/star/xml/sax/XDocumentHandler.hpp> + +using namespace com::sun::star; +using namespace com::sun::star::uno; + +namespace xmlscript +{ + +void XMLElement::addAttribute( OUString const & rAttrName, OUString const & rValue ) +{ + _attrNames.push_back( rAttrName ); + _attrValues.push_back( rValue ); +} + +void XMLElement::addSubElement( Reference< xml::sax::XAttributeList > const & xElem ) +{ + _subElems.push_back( xElem ); +} + +Reference< xml::sax::XAttributeList > const & XMLElement::getSubElement( sal_Int32 nIndex ) +{ + return _subElems[ static_cast<size_t>(nIndex) ]; +} + +void XMLElement::dumpSubElements( Reference< xml::sax::XDocumentHandler > const & xOut ) +{ + for (const Reference<XAttributeList> & _subElem : _subElems) + { + XMLElement * pElem = static_cast< XMLElement * >( _subElem.get() ); + pElem->dump( xOut ); + } +} + +void XMLElement::dump( Reference< xml::sax::XDocumentHandler > const & xOut ) +{ + xOut->ignorableWhitespace( OUString() ); + xOut->startElement( _name, static_cast< xml::sax::XAttributeList * >( this ) ); + // write sub elements + dumpSubElements( xOut ); + xOut->ignorableWhitespace( OUString() ); + xOut->endElement( _name ); +} + +// XAttributeList +sal_Int16 XMLElement::getLength() +{ + return static_cast<sal_Int16>(_attrNames.size()); +} + +OUString XMLElement::getNameByIndex( sal_Int16 nPos ) +{ + OSL_ASSERT( nPos >= 0 && o3tl::make_unsigned(nPos) < _attrNames.size() ); + return _attrNames[ nPos ]; +} + +OUString XMLElement::getTypeByIndex( sal_Int16 nPos ) +{ + OSL_ASSERT( nPos >= 0 && o3tl::make_unsigned(nPos) < _attrNames.size() ); + // xxx todo + return OUString(); +} + +OUString XMLElement::getTypeByName( OUString const & /*rName*/ ) +{ + // xxx todo + return OUString(); +} + +OUString XMLElement::getValueByIndex( sal_Int16 nPos ) +{ + OSL_ASSERT( nPos >= 0 && o3tl::make_unsigned(nPos) < _attrNames.size() ); + return _attrValues[ nPos ]; +} + +OUString XMLElement::getValueByName( OUString const & rName ) +{ + for ( size_t nPos = 0; nPos < _attrNames.size(); ++nPos ) + { + if (_attrNames[ nPos ] == rName) + { + return _attrValues[ nPos ]; + } + } + return OUString(); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/xmlscript/source/xml_helper/xml_impctx.cxx b/xmlscript/source/xml_helper/xml_impctx.cxx new file mode 100644 index 000000000..b696577b9 --- /dev/null +++ b/xmlscript/source/xml_helper/xml_impctx.cxx @@ -0,0 +1,729 @@ +/* -*- 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 <sal/config.h> + +#include <unoservices.hxx> +#include <xml_import.hxx> + +#include <cppuhelper/implbase.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <com/sun/star/container/NoSuchElementException.hpp> +#include <com/sun/star/xml/input/XAttributes.hpp> +#include <com/sun/star/lang/XInitialization.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <sal/log.hxx> + +#include <memory> +#include <unordered_map> +#include <vector> + +using namespace ::osl; +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; + +namespace xmlscript +{ + +const sal_Int32 UID_UNKNOWN = -1; + +Sequence< OUString > getSupportedServiceNames_DocumentHandlerImpl() +{ + return Sequence< OUString > { "com.sun.star.xml.input.SaxDocumentHandler" }; +} + +OUString getImplementationName_DocumentHandlerImpl() +{ + return "com.sun.star.comp.xml.input.SaxDocumentHandler"; +} + +typedef std::unordered_map< OUString, sal_Int32 > t_OUString2LongMap; + +namespace { + +struct PrefixEntry +{ + ::std::vector< sal_Int32 > m_Uids; + + PrefixEntry() + { m_Uids.reserve( 4 ); } +}; + +} + +typedef std::unordered_map< + OUString, std::unique_ptr<PrefixEntry> > t_OUString2PrefixMap; + +namespace { + +struct ElementEntry +{ + Reference< xml::input::XElement > m_xElement; + ::std::vector< OUString > m_prefixes; + + ElementEntry() + { m_prefixes.reserve( 2 ); } +}; + +class ExtendedAttributes; + +class MGuard +{ + Mutex * m_pMutex; +public: + explicit MGuard( std::unique_ptr<Mutex> const & pMutex ) + : m_pMutex( pMutex.get() ) + { if (m_pMutex) m_pMutex->acquire(); } + ~MGuard() throw () + { if (m_pMutex) m_pMutex->release(); } +}; + +class DocumentHandlerImpl : + public ::cppu::WeakImplHelper< xml::sax::XDocumentHandler, + xml::input::XNamespaceMapping, + lang::XInitialization, + css::lang::XServiceInfo > +{ + friend class ExtendedAttributes; + + Reference< xml::input::XRoot > m_xRoot; + + t_OUString2LongMap m_URI2Uid; + sal_Int32 m_uid_count; + + sal_Int32 m_nLastURI_lookup; + OUString m_aLastURI_lookup; + + t_OUString2PrefixMap m_prefixes; + sal_Int32 m_nLastPrefix_lookup; + OUString m_aLastPrefix_lookup; + + std::vector< ElementEntry > m_elements; + sal_Int32 m_nSkipElements; + + std::unique_ptr<Mutex> m_pMutex; + + inline Reference< xml::input::XElement > getCurrentElement() const; + + inline sal_Int32 getUidByURI( OUString const & rURI ); + inline sal_Int32 getUidByPrefix( OUString const & rPrefix ); + + inline void pushPrefix( + OUString const & rPrefix, OUString const & rURI ); + inline void popPrefix( OUString const & rPrefix ); + + inline void getElementName( + OUString const & rQName, sal_Int32 * pUid, OUString * pLocalName ); + +public: + DocumentHandlerImpl( + Reference< xml::input::XRoot > const & xRoot, + bool bSingleThreadedUse ); + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName() override; + virtual sal_Bool SAL_CALL supportsService( + OUString const & servicename ) override; + virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override; + + // XInitialization + virtual void SAL_CALL initialize( + Sequence< Any > const & arguments ) override; + + // XDocumentHandler + virtual void SAL_CALL startDocument() override; + virtual void SAL_CALL endDocument() override; + virtual void SAL_CALL startElement( + OUString const & rQElementName, + Reference< xml::sax::XAttributeList > const & xAttribs ) override; + virtual void SAL_CALL endElement( + OUString const & rQElementName ) override; + virtual void SAL_CALL characters( + OUString const & rChars ) override; + virtual void SAL_CALL ignorableWhitespace( + OUString const & rWhitespaces ) override; + virtual void SAL_CALL processingInstruction( + OUString const & rTarget, OUString const & rData ) override; + virtual void SAL_CALL setDocumentLocator( + Reference< xml::sax::XLocator > const & xLocator ) override; + + // XNamespaceMapping + virtual sal_Int32 SAL_CALL getUidByUri( OUString const & Uri ) override; + virtual OUString SAL_CALL getUriByUid( sal_Int32 Uid ) override; +}; + +} + +static OUString const g_sXMLNS_PREFIX_UNKNOWN( "<<< unknown prefix >>>" ); +static OUString const g_sXMLNS( "xmlns" ); + + +DocumentHandlerImpl::DocumentHandlerImpl( + Reference< xml::input::XRoot > const & xRoot, + bool bSingleThreadedUse ) + : m_xRoot( xRoot ), + m_uid_count( 0 ), + m_nLastURI_lookup( UID_UNKNOWN ), + m_aLastURI_lookup( "<<< unknown URI >>>" ), + m_nLastPrefix_lookup( UID_UNKNOWN ), + m_aLastPrefix_lookup( "<<< unknown URI >>>" ), + m_nSkipElements( 0 ) +{ + m_elements.reserve( 10 ); + + if (! bSingleThreadedUse) + m_pMutex.reset(new Mutex); +} + +inline Reference< xml::input::XElement > +DocumentHandlerImpl::getCurrentElement() const +{ + MGuard aGuard( m_pMutex ); + if (m_elements.empty()) + return Reference< xml::input::XElement >(); + else + return m_elements.back().m_xElement; +} + +inline sal_Int32 DocumentHandlerImpl::getUidByURI( OUString const & rURI ) +{ + MGuard guard( m_pMutex ); + if (m_nLastURI_lookup == UID_UNKNOWN || m_aLastURI_lookup != rURI) + { + t_OUString2LongMap::const_iterator iFind( m_URI2Uid.find( rURI ) ); + if (iFind != m_URI2Uid.end()) // id found + { + m_nLastURI_lookup = iFind->second; + m_aLastURI_lookup = rURI; + } + else + { + m_nLastURI_lookup = m_uid_count; + ++m_uid_count; + m_URI2Uid[ rURI ] = m_nLastURI_lookup; + m_aLastURI_lookup = rURI; + } + } + return m_nLastURI_lookup; +} + +inline sal_Int32 DocumentHandlerImpl::getUidByPrefix( + OUString const & rPrefix ) +{ + // commonly the last added prefix is used often for several tags... + // good guess + if (m_nLastPrefix_lookup == UID_UNKNOWN || m_aLastPrefix_lookup != rPrefix) + { + t_OUString2PrefixMap::const_iterator iFind( + m_prefixes.find( rPrefix ) ); + if (iFind != m_prefixes.end()) + { + const PrefixEntry & rPrefixEntry = *iFind->second; + SAL_WARN_IF( rPrefixEntry.m_Uids.empty(), "xmlscript.xmlhelper", "rPrefixEntry.m_Uids is empty" ); + m_nLastPrefix_lookup = rPrefixEntry.m_Uids.back(); + m_aLastPrefix_lookup = rPrefix; + } + else + { + m_nLastPrefix_lookup = UID_UNKNOWN; + m_aLastPrefix_lookup = g_sXMLNS_PREFIX_UNKNOWN; + } + } + return m_nLastPrefix_lookup; +} + +inline void DocumentHandlerImpl::pushPrefix( + OUString const & rPrefix, OUString const & rURI ) +{ + // lookup id for URI + sal_Int32 nUid = getUidByURI( rURI ); + + // mark prefix with id + t_OUString2PrefixMap::const_iterator iFind( m_prefixes.find( rPrefix ) ); + if (iFind == m_prefixes.end()) // unused prefix + { + PrefixEntry * pEntry = new PrefixEntry(); + pEntry->m_Uids.push_back( nUid ); // latest id for prefix + m_prefixes[rPrefix].reset(pEntry); + } + else + { + PrefixEntry& rEntry = *iFind->second; + SAL_WARN_IF(rEntry.m_Uids.empty(), "xmlscript.xmlhelper", "pEntry->m_Uids is empty"); + rEntry.m_Uids.push_back(nUid); + } + + m_aLastPrefix_lookup = rPrefix; + m_nLastPrefix_lookup = nUid; +} + +inline void DocumentHandlerImpl::popPrefix( + OUString const & rPrefix ) +{ + t_OUString2PrefixMap::iterator iFind( m_prefixes.find( rPrefix ) ); + if (iFind != m_prefixes.end()) // unused prefix + { + PrefixEntry& rEntry = *iFind->second; + rEntry.m_Uids.pop_back(); // pop last id for prefix + if (rEntry.m_Uids.empty()) // erase prefix key + { + m_prefixes.erase(iFind); + } + } + + m_nLastPrefix_lookup = UID_UNKNOWN; + m_aLastPrefix_lookup = g_sXMLNS_PREFIX_UNKNOWN; +} + +inline void DocumentHandlerImpl::getElementName( + OUString const & rQName, sal_Int32 * pUid, OUString * pLocalName ) +{ + sal_Int32 nColonPos = rQName.indexOf( ':' ); + *pLocalName = (nColonPos >= 0 ? rQName.copy( nColonPos +1 ) : rQName); + *pUid = getUidByPrefix( + nColonPos >= 0 ? rQName.copy( 0, nColonPos ) : OUString() ); +} + +namespace { + +class ExtendedAttributes : + public ::cppu::WeakImplHelper< xml::input::XAttributes > +{ + sal_Int32 const m_nAttributes; + std::unique_ptr<sal_Int32[]> m_pUids; + std::unique_ptr<OUString[]> m_pLocalNames; + std::unique_ptr<OUString[]> m_pQNames; + std::unique_ptr<OUString[]> m_pValues; + +public: + inline ExtendedAttributes( + sal_Int32 nAttributes, + std::unique_ptr<sal_Int32[]> pUids, + std::unique_ptr<OUString[]> pLocalNames, + std::unique_ptr<OUString[]> pQNames, + Reference< xml::sax::XAttributeList > const & xAttributeList ); + + // XAttributes + virtual sal_Int32 SAL_CALL getLength() override; + virtual sal_Int32 SAL_CALL getIndexByQName( + OUString const & rQName ) override; + virtual sal_Int32 SAL_CALL getIndexByUidName( + sal_Int32 nUid, OUString const & rLocalName ) override; + virtual OUString SAL_CALL getQNameByIndex( + sal_Int32 nIndex ) override; + virtual sal_Int32 SAL_CALL getUidByIndex( + sal_Int32 nIndex ) override; + virtual OUString SAL_CALL getLocalNameByIndex( + sal_Int32 nIndex ) override; + virtual OUString SAL_CALL getValueByIndex( + sal_Int32 nIndex ) override; + virtual OUString SAL_CALL getValueByUidName( + sal_Int32 nUid, OUString const & rLocalName ) override; + virtual OUString SAL_CALL getTypeByIndex( + sal_Int32 nIndex ) override; +}; + +} + +inline ExtendedAttributes::ExtendedAttributes( + sal_Int32 nAttributes, + std::unique_ptr<sal_Int32[]> pUids, + std::unique_ptr<OUString[]> pLocalNames, std::unique_ptr<OUString[]> pQNames, + Reference< xml::sax::XAttributeList > const & xAttributeList ) + : m_nAttributes( nAttributes ) + , m_pUids( std::move(pUids) ) + , m_pLocalNames( std::move(pLocalNames) ) + , m_pQNames( std::move(pQNames) ) + , m_pValues( new OUString[ nAttributes ] ) +{ + for ( sal_Int32 nPos = 0; nPos < nAttributes; ++nPos ) + { + m_pValues[ nPos ] = xAttributeList->getValueByIndex( nPos ); + } +} + +// XServiceInfo + +OUString DocumentHandlerImpl::getImplementationName() +{ + return getImplementationName_DocumentHandlerImpl(); +} + +sal_Bool DocumentHandlerImpl::supportsService( OUString const & servicename ) +{ + return cppu::supportsService(this, servicename); +} + +Sequence< OUString > DocumentHandlerImpl::getSupportedServiceNames() +{ + return getSupportedServiceNames_DocumentHandlerImpl(); +} + +// XInitialization + +void DocumentHandlerImpl::initialize( + Sequence< Any > const & arguments ) +{ + MGuard guard( m_pMutex ); + Reference< xml::input::XRoot > xRoot; + if (arguments.getLength() != 1 || + !(arguments[ 0 ] >>= xRoot) || + !xRoot.is()) + { + throw RuntimeException( "missing root instance!" ); + } + m_xRoot = xRoot; +} + +// XNamespaceMapping + +sal_Int32 DocumentHandlerImpl::getUidByUri( OUString const & Uri ) +{ + sal_Int32 uid = getUidByURI( Uri ); + SAL_WARN_IF( uid == UID_UNKNOWN, "xmlscript.xmlhelper", "uid UNKNOWN"); + return uid; +} + +OUString DocumentHandlerImpl::getUriByUid( sal_Int32 Uid ) +{ + MGuard guard( m_pMutex ); + for (const auto& rURIUid : m_URI2Uid) + { + if (rURIUid.second == Uid) + return rURIUid.first; + } + throw container::NoSuchElementException( "no such xmlns uid!" , static_cast< OWeakObject * >(this) ); +} + +// XDocumentHandler + +void DocumentHandlerImpl::startDocument() +{ + m_xRoot->startDocument( static_cast< xml::input::XNamespaceMapping * >( this ) ); +} + +void DocumentHandlerImpl::endDocument() +{ + m_xRoot->endDocument(); +} + +void DocumentHandlerImpl::startElement( + OUString const & rQElementName, + Reference< xml::sax::XAttributeList > const & xAttribs ) +{ + Reference< xml::input::XElement > xCurrentElement; + Reference< xml::input::XAttributes > xAttributes; + sal_Int32 nUid; + OUString aLocalName; + ElementEntry elementEntry; + + { // guard start: + MGuard aGuard( m_pMutex ); + // currently skipping elements and waiting for end tags? + if (m_nSkipElements > 0) + { + ++m_nSkipElements; // wait for another end tag + SAL_INFO("xmlscript.xmlhelper", " no context given on createChildElement() => ignoring element \"" << rQElementName << "\" ..."); + return; + } + + sal_Int16 nAttribs = xAttribs->getLength(); + + // save all namespace ids + std::unique_ptr<sal_Int32[]> pUids(new sal_Int32[ nAttribs ]); + std::unique_ptr<OUString[]> pPrefixes(new OUString[ nAttribs ]); + std::unique_ptr<OUString[]> pLocalNames(new OUString[ nAttribs ]); + std::unique_ptr<OUString[]> pQNames(new OUString[ nAttribs ]); + + // first recognize all xmlns attributes + sal_Int16 nPos; + for ( nPos = 0; nPos < nAttribs; ++nPos ) + { + // mark attribute to be collected further + // on with attribute's uid and current prefix + pUids[ nPos ] = 0; // modified + + pQNames[ nPos ] = xAttribs->getNameByIndex( nPos ); + OUString const & rQAttributeName = pQNames[ nPos ]; + + if (rQAttributeName.startsWith( g_sXMLNS )) + { + if (rQAttributeName.getLength() == 5) // set default namespace + { + OUString aDefNamespacePrefix; + pushPrefix( + aDefNamespacePrefix, + xAttribs->getValueByIndex( nPos ) ); + elementEntry.m_prefixes.push_back( aDefNamespacePrefix ); + pUids[ nPos ] = UID_UNKNOWN; + pPrefixes[ nPos ] = g_sXMLNS; + pLocalNames[ nPos ] = aDefNamespacePrefix; + } + else if (':' == rQAttributeName[ 5 ]) // set prefix + { + OUString aPrefix( rQAttributeName.copy( 6 ) ); + pushPrefix( aPrefix, xAttribs->getValueByIndex( nPos ) ); + elementEntry.m_prefixes.push_back( aPrefix ); + pUids[ nPos ] = UID_UNKNOWN; + pPrefixes[ nPos ] = g_sXMLNS; + pLocalNames[ nPos ] = aPrefix; + } + // else just a name starting with xmlns, but no prefix + } + } + + // now read out attribute prefixes (all namespace prefixes have been set) + for ( nPos = 0; nPos < nAttribs; ++nPos ) + { + if (pUids[ nPos ] >= 0) // no xmlns: attribute + { + OUString const & rQAttributeName = pQNames[ nPos ]; + SAL_WARN_IF(rQAttributeName.startsWith( "xmlns:" ), "xmlscript.xmlhelper", "### unexpected xmlns!" ); + + // collect attribute's uid and current prefix + sal_Int32 nColonPos = rQAttributeName.indexOf( ':' ); + if (nColonPos >= 0) + { + pPrefixes[ nPos ] = rQAttributeName.copy( 0, nColonPos ); + pLocalNames[ nPos ] = rQAttributeName.copy( nColonPos +1 ); + } + else + { + pPrefixes[ nPos ].clear(); + pLocalNames[ nPos ] = rQAttributeName; + // leave local names unmodified + } + pUids[ nPos ] = getUidByPrefix( pPrefixes[ nPos ] ); + } + } + pPrefixes.reset(); + // ownership of arrays belongs to attribute list + xAttributes = new ExtendedAttributes(nAttribs, std::move(pUids), std::move(pLocalNames), + std::move(pQNames), xAttribs); + + getElementName( rQElementName, &nUid, &aLocalName ); + + // create new child context and append to list + if (! m_elements.empty()) + xCurrentElement = m_elements.back().m_xElement; + } // :guard end + + if (xCurrentElement.is()) + { + elementEntry.m_xElement = + xCurrentElement->startChildElement( nUid, aLocalName, xAttributes ); + } + else + { + elementEntry.m_xElement = + m_xRoot->startRootElement( nUid, aLocalName, xAttributes ); + } + + { + MGuard aGuard( m_pMutex ); + if (elementEntry.m_xElement.is()) + { + m_elements.push_back( std::move(elementEntry) ); + } + else + { + ++m_nSkipElements; + + // pop prefixes + for (sal_Int32 nPos = elementEntry.m_prefixes.size(); nPos--;) + popPrefix(elementEntry.m_prefixes[nPos]); + + SAL_INFO("xmlscript.xmlhelper", " no context given on createChildElement() => ignoring element \"" << rQElementName << "\" ..."); + } + } +} + +void DocumentHandlerImpl::endElement( + OUString const & rQElementName ) +{ + Reference< xml::input::XElement > xCurrentElement; + { + MGuard aGuard( m_pMutex ); + if (m_nSkipElements) + { + --m_nSkipElements; + SAL_INFO("xmlscript.xmlhelper", "### received endElement() for \"" << rQElementName << "\"."); + return; + } + + // popping context + SAL_WARN_IF( m_elements.empty(), "xmlscript.xmlhelper", "m_elements is empty" ); + ElementEntry& rEntry = m_elements.back(); + xCurrentElement = rEntry.m_xElement; + +#if OSL_DEBUG_LEVEL > 0 + sal_Int32 nUid; + OUString aLocalName; + getElementName( rQElementName, &nUid, &aLocalName ); + SAL_WARN_IF( xCurrentElement->getLocalName() != aLocalName, "xmlscript.xmlhelper", "xCurrentElement->getLocalName() != aLocalName" ); + SAL_WARN_IF( xCurrentElement->getUid() != nUid, "xmlscript.xmlhelper", "xCurrentElement->getUid() != nUid" ); +#endif + + // pop prefixes + for ( sal_Int32 nPos = rEntry.m_prefixes.size(); nPos--; ) + { + popPrefix( rEntry.m_prefixes[ nPos ] ); + } + m_elements.pop_back(); + } + xCurrentElement->endElement(); +} + +void DocumentHandlerImpl::characters( OUString const & rChars ) +{ + Reference< xml::input::XElement > xCurrentElement( getCurrentElement() ); + if (xCurrentElement.is()) + xCurrentElement->characters( rChars ); +} + +void DocumentHandlerImpl::ignorableWhitespace( + OUString const & rWhitespaces ) +{ + Reference< xml::input::XElement > xCurrentElement( getCurrentElement() ); + if (xCurrentElement.is()) + xCurrentElement->ignorableWhitespace( rWhitespaces ); +} + +void DocumentHandlerImpl::processingInstruction( + OUString const & rTarget, OUString const & rData ) +{ + Reference< xml::input::XElement > xCurrentElement( getCurrentElement() ); + if (xCurrentElement.is()) + xCurrentElement->processingInstruction( rTarget, rData ); + else + m_xRoot->processingInstruction( rTarget, rData ); +} + +void DocumentHandlerImpl::setDocumentLocator( + Reference< xml::sax::XLocator > const & xLocator ) +{ + m_xRoot->setDocumentLocator( xLocator ); +} + +// XAttributes + +sal_Int32 ExtendedAttributes::getIndexByQName( OUString const & rQName ) +{ + for ( sal_Int32 nPos = m_nAttributes; nPos--; ) + { + if (m_pQNames[ nPos ] == rQName) + { + return nPos; + } + } + return -1; +} + +sal_Int32 ExtendedAttributes::getLength() +{ + return m_nAttributes; +} + +OUString ExtendedAttributes::getLocalNameByIndex( sal_Int32 nIndex ) +{ + if (nIndex < m_nAttributes) + return m_pLocalNames[ nIndex ]; + else + return OUString(); +} + +OUString ExtendedAttributes::getQNameByIndex( sal_Int32 nIndex ) +{ + if (nIndex < m_nAttributes) + return m_pQNames[ nIndex ]; + else + return OUString(); +} + +OUString ExtendedAttributes::getTypeByIndex( sal_Int32 nIndex ) +{ + SAL_WARN_IF( nIndex >= m_nAttributes , "xmlscript.xmlhelper", "nIndex is bigger then m_nAttributes"); + return OUString(); // unsupported +} + +OUString ExtendedAttributes::getValueByIndex( sal_Int32 nIndex ) +{ + if (nIndex < m_nAttributes) + return m_pValues[ nIndex ]; + else + return OUString(); +} + +sal_Int32 ExtendedAttributes::getIndexByUidName( + sal_Int32 nUid, OUString const & rLocalName ) +{ + for ( sal_Int32 nPos = m_nAttributes; nPos--; ) + { + if (m_pUids[ nPos ] == nUid && m_pLocalNames[ nPos ] == rLocalName) + { + return nPos; + } + } + return -1; +} + +sal_Int32 ExtendedAttributes::getUidByIndex( sal_Int32 nIndex ) +{ + if (nIndex < m_nAttributes) + return m_pUids[ nIndex ]; + else + return -1; +} + +OUString ExtendedAttributes::getValueByUidName( + sal_Int32 nUid, OUString const & rLocalName ) +{ + for ( sal_Int32 nPos = m_nAttributes; nPos--; ) + { + if (m_pUids[ nPos ] == nUid && m_pLocalNames[ nPos ] == rLocalName) + { + return m_pValues[ nPos ]; + } + } + return OUString(); +} + +Reference< xml::sax::XDocumentHandler > createDocumentHandler( + Reference< xml::input::XRoot > const & xRoot ) +{ + SAL_WARN_IF( !xRoot.is(), "xmlscript.xmlhelper", "xRoot is NULL" ); + if (xRoot.is()) + { + return new DocumentHandlerImpl(xRoot, true /* mt use */); + } + return Reference< xml::sax::XDocumentHandler >(); +} + +Reference< XInterface > create_DocumentHandlerImpl( + SAL_UNUSED_PARAMETER Reference< XComponentContext > const & ) +{ + return static_cast< ::cppu::OWeakObject * >( + new DocumentHandlerImpl( + Reference< xml::input::XRoot >(), false /* mt use */ ) ); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |