| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #include "fastserializer.hxx" |
| #include <rtl/ustrbuf.hxx> |
| #include <rtl/byteseq.hxx> |
| |
| #include <com/sun/star/xml/Attribute.hpp> |
| #include <com/sun/star/xml/FastAttribute.hpp> |
| #include <com/sun/star/xml/sax/XFastAttributeList.hpp> |
| |
| #include <string.h> |
| |
| using ::rtl::OString; |
| using ::rtl::OUString; |
| using ::rtl::OUStringBuffer; |
| using ::rtl::OUStringToOString; |
| using ::com::sun::star::uno::Reference; |
| using ::com::sun::star::uno::RuntimeException; |
| using ::com::sun::star::uno::Sequence; |
| using ::com::sun::star::uno::toUnoSequence; |
| using ::com::sun::star::xml::FastAttribute; |
| using ::com::sun::star::xml::Attribute; |
| using ::com::sun::star::xml::sax::SAXException; |
| using ::com::sun::star::xml::sax::XFastAttributeList; |
| using ::com::sun::star::xml::sax::XFastTokenHandler; |
| using ::com::sun::star::xml::sax::XFastSerializer; |
| using ::com::sun::star::io::XOutputStream; |
| using ::com::sun::star::io::NotConnectedException; |
| using ::com::sun::star::io::IOException; |
| using ::com::sun::star::io::BufferSizeExceededException; |
| |
| static rtl::ByteSequence aClosingBracket((const sal_Int8 *)">", 1); |
| static rtl::ByteSequence aSlashAndClosingBracket((const sal_Int8 *)"/>", 2); |
| static rtl::ByteSequence aColon((const sal_Int8 *)":", 1); |
| static rtl::ByteSequence aOpeningBracket((const sal_Int8 *)"<", 1); |
| static rtl::ByteSequence aOpeningBracketAndSlash((const sal_Int8 *)"</", 2); |
| static rtl::ByteSequence aQuote((const sal_Int8 *)"\"", 1); |
| static rtl::ByteSequence aEqualSignAndQuote((const sal_Int8 *)"=\"", 2); |
| static rtl::ByteSequence aSpace((const sal_Int8 *)" ", 1); |
| static rtl::ByteSequence aXmlHeader((const sal_Int8*) "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n", 56); |
| |
| #define HAS_NAMESPACE(x) ((x & 0xffff0000) != 0) |
| #define NAMESPACE(x) (x >> 16) |
| #define TOKEN(x) (x & 0xffff) |
| |
| namespace sax_fastparser { |
| FastSaxSerializer::FastSaxSerializer( ) : mxOutputStream(), mxFastTokenHandler(), maMarkStack() {} |
| FastSaxSerializer::~FastSaxSerializer() {} |
| |
| void SAL_CALL FastSaxSerializer::startDocument( ) throw (SAXException, RuntimeException) |
| { |
| if (!mxOutputStream.is()) |
| return; |
| writeBytes(toUnoSequence(aXmlHeader)); |
| } |
| |
| OUString FastSaxSerializer::escapeXml( const OUString& s ) |
| { |
| ::rtl::OUStringBuffer sBuf( s.getLength() ); |
| const sal_Unicode* pStr = s.getStr(); |
| sal_Int32 nLen = s.getLength(); |
| for( sal_Int32 i = 0; i < nLen; ++i) |
| { |
| sal_Unicode c = pStr[ i ]; |
| switch( c ) |
| { |
| case '<': sBuf.appendAscii( "<" ); break; |
| case '>': sBuf.appendAscii( ">" ); break; |
| case '&': sBuf.appendAscii( "&" ); break; |
| case '\'': sBuf.appendAscii( "'" ); break; |
| case '"': sBuf.appendAscii( """ ); break; |
| default: sBuf.append( c ); break; |
| } |
| } |
| return sBuf.makeStringAndClear(); |
| } |
| |
| void FastSaxSerializer::write( const OUString& s ) |
| { |
| OString sOutput( OUStringToOString( s, RTL_TEXTENCODING_UTF8 ) ); |
| writeBytes( Sequence< sal_Int8 >( |
| reinterpret_cast< const sal_Int8*>( sOutput.getStr() ), |
| sOutput.getLength() ) ); |
| } |
| |
| void SAL_CALL FastSaxSerializer::endDocument( ) throw (SAXException, RuntimeException) |
| { |
| if (!mxOutputStream.is()) |
| return; |
| } |
| |
| void SAL_CALL FastSaxSerializer::writeId( ::sal_Int32 nElement ) |
| { |
| if( HAS_NAMESPACE( nElement ) ) { |
| writeBytes(mxFastTokenHandler->getUTF8Identifier(NAMESPACE(nElement))); |
| writeBytes(toUnoSequence(aColon)); |
| writeBytes(mxFastTokenHandler->getUTF8Identifier(TOKEN(nElement))); |
| } else |
| writeBytes(mxFastTokenHandler->getUTF8Identifier(nElement)); |
| } |
| |
| void SAL_CALL FastSaxSerializer::startFastElement( ::sal_Int32 Element, const Reference< XFastAttributeList >& Attribs ) |
| throw (SAXException, RuntimeException) |
| { |
| if (!mxOutputStream.is()) |
| return; |
| |
| writeBytes(toUnoSequence(aOpeningBracket)); |
| |
| writeId(Element); |
| writeFastAttributeList(Attribs); |
| |
| writeBytes(toUnoSequence(aClosingBracket)); |
| } |
| |
| void SAL_CALL FastSaxSerializer::startUnknownElement( const OUString& Namespace, const OUString& Name, const Reference< XFastAttributeList >& Attribs ) |
| throw (SAXException, RuntimeException) |
| { |
| if (!mxOutputStream.is()) |
| return; |
| |
| writeBytes(toUnoSequence(aOpeningBracket)); |
| |
| if (Namespace.getLength()) |
| { |
| write(Namespace); |
| writeBytes(toUnoSequence(aColon)); |
| } |
| |
| write(Name); |
| |
| writeFastAttributeList(Attribs); |
| |
| writeBytes(toUnoSequence(aClosingBracket)); |
| } |
| |
| void SAL_CALL FastSaxSerializer::endFastElement( ::sal_Int32 Element ) |
| throw (SAXException, RuntimeException) |
| { |
| if (!mxOutputStream.is()) |
| return; |
| |
| writeBytes(toUnoSequence(aOpeningBracketAndSlash)); |
| |
| writeId(Element); |
| |
| writeBytes(toUnoSequence(aClosingBracket)); |
| } |
| |
| void SAL_CALL FastSaxSerializer::endUnknownElement( const OUString& Namespace, const OUString& Name ) |
| throw (SAXException, RuntimeException) |
| { |
| if (!mxOutputStream.is()) |
| return; |
| |
| writeBytes(toUnoSequence(aOpeningBracketAndSlash)); |
| |
| if (Namespace.getLength()) |
| { |
| write(Namespace); |
| writeBytes(toUnoSequence(aColon)); |
| } |
| |
| write(Name); |
| |
| writeBytes(toUnoSequence(aClosingBracket)); |
| } |
| |
| void SAL_CALL FastSaxSerializer::singleFastElement( ::sal_Int32 Element, const Reference< XFastAttributeList >& Attribs ) |
| throw (SAXException, RuntimeException) |
| { |
| if (!mxOutputStream.is()) |
| return; |
| |
| writeBytes(toUnoSequence(aOpeningBracket)); |
| |
| writeId(Element); |
| writeFastAttributeList(Attribs); |
| |
| writeBytes(toUnoSequence(aSlashAndClosingBracket)); |
| } |
| |
| void SAL_CALL FastSaxSerializer::singleUnknownElement( const OUString& Namespace, const OUString& Name, const Reference< XFastAttributeList >& Attribs ) |
| throw (SAXException, RuntimeException) |
| { |
| if (!mxOutputStream.is()) |
| return; |
| |
| writeBytes(toUnoSequence(aOpeningBracket)); |
| |
| if (Namespace.getLength()) |
| { |
| write(Namespace); |
| writeBytes(toUnoSequence(aColon)); |
| } |
| |
| write(Name); |
| |
| writeFastAttributeList(Attribs); |
| |
| writeBytes(toUnoSequence(aSlashAndClosingBracket)); |
| } |
| |
| void SAL_CALL FastSaxSerializer::characters( const OUString& aChars ) |
| throw (SAXException, RuntimeException) |
| { |
| if (!mxOutputStream.is()) |
| return; |
| |
| write( aChars ); |
| } |
| |
| void SAL_CALL FastSaxSerializer::setOutputStream( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >& xOutputStream ) |
| throw (::com::sun::star::uno::RuntimeException) |
| { |
| mxOutputStream = xOutputStream; |
| } |
| |
| void SAL_CALL FastSaxSerializer::setFastTokenHandler( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XFastTokenHandler >& xFastTokenHandler ) |
| throw (::com::sun::star::uno::RuntimeException) |
| { |
| mxFastTokenHandler = xFastTokenHandler; |
| } |
| void FastSaxSerializer::writeFastAttributeList( const Reference< XFastAttributeList >& Attribs ) |
| { |
| Sequence< Attribute > aAttrSeq = Attribs->getUnknownAttributes(); |
| const Attribute *pAttr = aAttrSeq.getConstArray(); |
| sal_Int32 nAttrLength = aAttrSeq.getLength(); |
| for (sal_Int32 i = 0; i < nAttrLength; i++) |
| { |
| writeBytes(toUnoSequence(aSpace)); |
| |
| write(pAttr[i].Name); |
| writeBytes(toUnoSequence(aEqualSignAndQuote)); |
| write(escapeXml(pAttr[i].Value)); |
| writeBytes(toUnoSequence(aQuote)); |
| } |
| |
| Sequence< FastAttribute > aFastAttrSeq = Attribs->getFastAttributes(); |
| const FastAttribute *pFastAttr = aFastAttrSeq.getConstArray(); |
| sal_Int32 nFastAttrLength = aFastAttrSeq.getLength(); |
| for (sal_Int32 j = 0; j < nFastAttrLength; j++) |
| { |
| writeBytes(toUnoSequence(aSpace)); |
| |
| sal_Int32 nToken = pFastAttr[j].Token; |
| writeId(nToken); |
| |
| writeBytes(toUnoSequence(aEqualSignAndQuote)); |
| |
| write(escapeXml(Attribs->getValue(pFastAttr[j].Token))); |
| |
| writeBytes(toUnoSequence(aQuote)); |
| } |
| } |
| |
| // XServiceInfo |
| OUString FastSaxSerializer::getImplementationName() throw (RuntimeException) |
| { |
| return OUString::createFromAscii( SERIALIZER_IMPLEMENTATION_NAME ); |
| } |
| |
| // XServiceInfo |
| sal_Bool FastSaxSerializer::supportsService(const OUString& ServiceName) throw (RuntimeException) |
| { |
| Sequence< OUString > aSNL = getSupportedServiceNames(); |
| const OUString * pArray = aSNL.getConstArray(); |
| |
| for( sal_Int32 i = 0; i < aSNL.getLength(); i++ ) |
| if( pArray[i] == ServiceName ) |
| return sal_True; |
| |
| return sal_False; |
| } |
| |
| // XServiceInfo |
| Sequence< OUString > FastSaxSerializer::getSupportedServiceNames(void) throw (RuntimeException) |
| { |
| Sequence<OUString> seq(1); |
| seq.getArray()[0] = OUString::createFromAscii( SERIALIZER_SERVICE_NAME ); |
| return seq; |
| } |
| |
| OUString FastSaxSerializer::getImplementationName_Static() |
| { |
| return OUString::createFromAscii( SERIALIZER_IMPLEMENTATION_NAME ); |
| } |
| |
| Sequence< OUString > FastSaxSerializer::getSupportedServiceNames_Static(void) |
| { |
| Sequence<OUString> aRet(1); |
| aRet.getArray()[0] = OUString( RTL_CONSTASCII_USTRINGPARAM(SERIALIZER_SERVICE_NAME) ); |
| return aRet; |
| } |
| |
| void FastSaxSerializer::mark() |
| { |
| maMarkStack.push( ForMerge() ); |
| } |
| |
| void FastSaxSerializer::mergeTopMarks( sax_fastparser::MergeMarksEnum eMergeType ) |
| { |
| if ( maMarkStack.empty() ) |
| return; |
| |
| if ( maMarkStack.size() == 1 ) |
| { |
| mxOutputStream->writeBytes( maMarkStack.top().getData() ); |
| maMarkStack.pop(); |
| return; |
| } |
| |
| const Int8Sequence aMerge( maMarkStack.top().getData() ); |
| maMarkStack.pop(); |
| |
| switch ( eMergeType ) |
| { |
| case MERGE_MARKS_APPEND: maMarkStack.top().append( aMerge ); break; |
| case MERGE_MARKS_PREPEND: maMarkStack.top().prepend( aMerge ); break; |
| case MERGE_MARKS_POSTPONE: maMarkStack.top().postpone( aMerge ); break; |
| } |
| } |
| |
| void FastSaxSerializer::writeBytes( const Sequence< ::sal_Int8 >& aData ) throw ( NotConnectedException, BufferSizeExceededException, IOException, RuntimeException ) |
| { |
| if ( maMarkStack.empty() ) |
| mxOutputStream->writeBytes( aData ); |
| else |
| maMarkStack.top().append( aData ); |
| } |
| |
| FastSaxSerializer::Int8Sequence& FastSaxSerializer::ForMerge::getData() |
| { |
| merge( maData, maPostponed, true ); |
| maPostponed.realloc( 0 ); |
| |
| return maData; |
| } |
| |
| void FastSaxSerializer::ForMerge::prepend( const Int8Sequence &rWhat ) |
| { |
| merge( maData, rWhat, false ); |
| } |
| |
| void FastSaxSerializer::ForMerge::append( const Int8Sequence &rWhat ) |
| { |
| merge( maData, rWhat, true ); |
| } |
| |
| void FastSaxSerializer::ForMerge::postpone( const Int8Sequence &rWhat ) |
| { |
| merge( maPostponed, rWhat, true ); |
| } |
| |
| void FastSaxSerializer::ForMerge::merge( Int8Sequence &rTop, const Int8Sequence &rMerge, bool bAppend ) |
| { |
| sal_Int32 nMergeLen = rMerge.getLength(); |
| if ( nMergeLen > 0 ) |
| { |
| sal_Int32 nTopLen = rTop.getLength(); |
| |
| rTop.realloc( nTopLen + nMergeLen ); |
| if ( bAppend ) |
| { |
| // append the rMerge to the rTop |
| memcpy( rTop.getArray() + nTopLen, rMerge.getConstArray(), nMergeLen ); |
| } |
| else |
| { |
| // prepend the rMerge to the rTop |
| memmove( rTop.getArray() + nMergeLen, rTop.getConstArray(), nTopLen ); |
| memcpy( rTop.getArray(), rMerge.getConstArray(), nMergeLen ); |
| } |
| } |
| } |
| |
| } // namespace sax_fastparser |
| |
