/************************************************************************* * * $RCSfile: TextOutputStream.cxx,v $ * * $Revision: 1.2 $ * * last change: $Author: jl $ $Date: 2001-03-12 15:50:46 $ * * The Contents of this file are made available subject to the terms of * either of the following licenses * * - GNU Lesser General Public License Version 2.1 * - Sun Industry Standards Source License Version 1.1 * * Sun Microsystems Inc., October, 2000 * * GNU Lesser General Public License Version 2.1 * ============================================= * Copyright 2000 by Sun Microsystems, Inc. * 901 San Antonio Road, Palo Alto, CA 94303, USA * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License version 2.1, as published by the Free Software Foundation. * * 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * * * Sun Industry Standards Source License Version 1.1 * ================================================= * The contents of this file are subject to the Sun Industry Standards * Source License Version 1.1 (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.openoffice.org/license.html. * * Software provided under this License is provided on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. * See the License for the specific provisions governing your rights and * obligations concerning the Software. * * The Initial Developer of the Original Code is: Sun Microsystems, Inc. * * Copyright: 2000 by Sun Microsystems, Inc. * * All Rights Reserved. * * Contributor(s): _______________________________________ * * ************************************************************************/ #include #include #include #include #include #include #include #include #include #define IMPLEMENTATION_NAME "com.sun.star.comp.io.TextOutputStream" #define SERVICE_NAME "com.sun.star.io.TextOutputStream" using namespace ::osl; using namespace ::rtl; using namespace ::cppu; using namespace ::com::sun::star::uno; using namespace ::com::sun::star::lang; using namespace ::com::sun::star::io; using namespace ::com::sun::star::registry; namespace io_TextStream { //=========================================================================== // Implementation XTextOutputStream typedef WeakImplHelper2< XTextOutputStream, XActiveDataSource > TextOutputStreamHelper; class OCommandEnvironment; class OTextOutputStream : public TextOutputStreamHelper { Reference< XOutputStream > mxStream; // Encoding OUString mEncoding; sal_Bool mbEncodingInitialized; rtl_UnicodeToTextConverter mConvUnicode2Text; rtl_UnicodeToTextContext mContextUnicode2Text; Sequence implConvert( const OUString& rSource ); public: OTextOutputStream(); ~OTextOutputStream(); // Methods XTextOutputStream virtual void SAL_CALL writeString( const OUString& aString ) throw(IOException, RuntimeException); virtual void SAL_CALL setEncoding( const OUString& Encoding ) throw(RuntimeException); // Methods XOutputStream virtual void SAL_CALL writeBytes( const Sequence< sal_Int8 >& aData ) throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException); virtual void SAL_CALL flush( ) throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException); virtual void SAL_CALL closeOutput( ) throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException); // Methods XActiveDataSource virtual void SAL_CALL setOutputStream( const Reference< XOutputStream >& aStream ) throw(RuntimeException); virtual Reference< XOutputStream > SAL_CALL getOutputStream( ) throw(RuntimeException); }; OTextOutputStream::OTextOutputStream() { mbEncodingInitialized = false; } OTextOutputStream::~OTextOutputStream() { if( mbEncodingInitialized ) { rtl_destroyUnicodeToTextContext( mConvUnicode2Text, mContextUnicode2Text ); rtl_destroyUnicodeToTextConverter( mConvUnicode2Text ); } } Sequence OTextOutputStream::implConvert( const OUString& rSource ) { const sal_Unicode *puSource = rSource.getStr(); sal_Int32 nSourceSize = rSource.getLength(); sal_Size nTargetCount = 0; sal_Size nSourceCount = 0; sal_uInt32 uiInfo; sal_Size nSrcCvtChars; // take nSourceSize * 3 as preference // this is an upper boundary for converting to utf8, // which most often used as the target. sal_Int32 nSeqSize = nSourceSize * 3; Sequence seqText( nSeqSize ); sal_Char *pTarget = (sal_Char *) seqText.getArray(); while( sal_True ) { nTargetCount += rtl_convertUnicodeToText( mConvUnicode2Text, mContextUnicode2Text, &( puSource[nSourceCount] ), nSourceSize - nSourceCount , &( pTarget[nTargetCount] ), nSeqSize - nTargetCount, RTL_UNICODETOTEXT_FLAGS_UNDEFINED_DEFAULT | RTL_UNICODETOTEXT_FLAGS_INVALID_DEFAULT , &uiInfo, &nSrcCvtChars); nSourceCount += nSrcCvtChars; if( uiInfo & RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL ) { nSeqSize *= 2; seqText.realloc( nSeqSize ); // double array size pTarget = (sal_Char*) seqText.getArray(); continue; } break; } // reduce the size of the buffer (fast, no copy necessary) seqText.realloc( nTargetCount ); return seqText; } //=========================================================================== // XTextOutputStream void OTextOutputStream::writeString( const OUString& aString ) throw(IOException, RuntimeException) { if( !mbEncodingInitialized ) { OUString aUtf8Str( RTL_CONSTASCII_USTRINGPARAM("utf8") ); setEncoding( aUtf8Str ); } if( !mbEncodingInitialized ) return; Sequence aByteSeq = implConvert( aString ); mxStream->writeBytes( aByteSeq ); } void OTextOutputStream::setEncoding( const OUString& Encoding ) throw(RuntimeException) { OString aOEncodingStr = OUStringToOString( Encoding, RTL_TEXTENCODING_ASCII_US ); rtl_TextEncoding encoding = rtl_getTextEncodingFromMimeCharset( aOEncodingStr.getStr() ); if( RTL_TEXTENCODING_DONTKNOW == encoding ) return; mbEncodingInitialized = true; mConvUnicode2Text = rtl_createUnicodeToTextConverter( encoding ); mContextUnicode2Text = rtl_createUnicodeToTextContext( mConvUnicode2Text ); mEncoding = Encoding; } //=========================================================================== // XOutputStream void OTextOutputStream::writeBytes( const Sequence< sal_Int8 >& aData ) throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException) { mxStream->writeBytes( aData ); } void OTextOutputStream::flush( ) throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException) { mxStream->flush(); } void OTextOutputStream::closeOutput( ) throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException) { mxStream->closeOutput(); } //=========================================================================== // XActiveDataSource void OTextOutputStream::setOutputStream( const Reference< XOutputStream >& aStream ) throw(RuntimeException) { mxStream = aStream; } Reference< XOutputStream > OTextOutputStream::getOutputStream() throw(RuntimeException) { return mxStream; } Reference< XInterface > SAL_CALL TextOutputStream_CreateInstance( const Reference< XMultiServiceFactory > &) { return Reference < XInterface >( ( OWeakObject * ) new OTextOutputStream() ); } Sequence< OUString > TextOutputStream_getSupportedServiceNames() { static Sequence < OUString > *pNames = 0; if( ! pNames ) { MutexGuard guard( Mutex::getGlobalMutex() ); if( !pNames ) { static Sequence< OUString > seqNames(1); seqNames.getArray()[0] = OUString::createFromAscii( SERVICE_NAME ); pNames = &seqNames; } } return *pNames; } } //================================================================================================== // Component exports extern "C" { //================================================================================================== void SAL_CALL component_getImplementationEnvironment( const sal_Char ** ppEnvTypeName, uno_Environment ** ppEnv ) { *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME; } //================================================================================================== sal_Bool SAL_CALL component_writeInfo( void * pServiceManager, void * pRegistryKey ) { if (pRegistryKey) { try { Reference< XRegistryKey > xNewKey( reinterpret_cast< XRegistryKey * >( pRegistryKey )->createKey( OUString::createFromAscii("/" IMPLEMENTATION_NAME "/UNO/SERVICES" ) ) ); const Sequence< OUString > & rSNL = io_TextStream::TextOutputStream_getSupportedServiceNames(); const OUString * pArray = rSNL.getConstArray(); for ( sal_Int32 nPos = rSNL.getLength(); nPos--; ) xNewKey->createKey( pArray[nPos] ); return sal_True; } catch (InvalidRegistryException &) { OSL_ENSURE( sal_False, "### InvalidRegistryException!" ); } } return sal_False; } //================================================================================================== void * SAL_CALL component_getFactory( const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey ) { void * pRet = 0; if (pServiceManager && rtl_str_compare( pImplName, IMPLEMENTATION_NAME ) == 0) { Reference< XSingleServiceFactory > xFactory( createSingleFactory( reinterpret_cast< XMultiServiceFactory * >( pServiceManager ), OUString::createFromAscii( pImplName ), io_TextStream::TextOutputStream_CreateInstance, io_TextStream::TextOutputStream_getSupportedServiceNames() ) ); if (xFactory.is()) { xFactory->acquire(); pRet = xFactory.get(); } } return pRet; } }