LCOV - code coverage report
Current view: top level - libreoffice/io/source/TextOutputStream - TextOutputStream.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 81 0.0 %
Date: 2012-12-27 Functions: 0 19 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include <osl/diagnose.h>
      22             : 
      23             : #include <uno/mapping.hxx>
      24             : 
      25             : #include <cppuhelper/factory.hxx>
      26             : #include <cppuhelper/implbase3.hxx>
      27             : #include <cppuhelper/implementationentry.hxx>
      28             : 
      29             : #include <rtl/textenc.h>
      30             : #include <rtl/tencinfo.h>
      31             : #include <rtl/unload.h>
      32             : 
      33             : #include <com/sun/star/io/XTextOutputStream.hpp>
      34             : #include <com/sun/star/io/XActiveDataSource.hpp>
      35             : #include <com/sun/star/lang/XServiceInfo.hpp>
      36             : 
      37             : 
      38             : #define IMPLEMENTATION_NAME "com.sun.star.comp.io.TextOutputStream"
      39             : #define SERVICE_NAME "com.sun.star.io.TextOutputStream"
      40             : 
      41             : using namespace ::osl;
      42             : using namespace ::rtl;
      43             : using namespace ::cppu;
      44             : using namespace ::com::sun::star::uno;
      45             : using namespace ::com::sun::star::lang;
      46             : using namespace ::com::sun::star::io;
      47             : using namespace ::com::sun::star::registry;
      48             : 
      49             : namespace io_TextOutputStream
      50             : {
      51             :     rtl_StandardModuleCount g_moduleCount = MODULE_COUNT_INIT;
      52             : //===========================================================================
      53             : // Implementation XTextOutputStream
      54             : 
      55             : typedef WeakImplHelper3< XTextOutputStream, XActiveDataSource, XServiceInfo > TextOutputStreamHelper;
      56             : 
      57             : class OTextOutputStream : public TextOutputStreamHelper
      58             : {
      59             :     Reference< XOutputStream > mxStream;
      60             : 
      61             :     // Encoding
      62             :     OUString mEncoding;
      63             :     sal_Bool mbEncodingInitialized;
      64             :     rtl_UnicodeToTextConverter  mConvUnicode2Text;
      65             :     rtl_UnicodeToTextContext    mContextUnicode2Text;
      66             : 
      67             :     Sequence<sal_Int8> implConvert( const OUString& rSource );
      68             : 
      69             : public:
      70             :     OTextOutputStream();
      71             :     ~OTextOutputStream();
      72             : 
      73             :     // Methods XTextOutputStream
      74             :     virtual void SAL_CALL writeString( const OUString& aString )
      75             :         throw(IOException, RuntimeException);
      76             :     virtual void SAL_CALL setEncoding( const OUString& Encoding )
      77             :         throw(RuntimeException);
      78             : 
      79             :     // Methods XOutputStream
      80             :     virtual void SAL_CALL writeBytes( const Sequence< sal_Int8 >& aData )
      81             :         throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException);
      82             :     virtual void SAL_CALL flush(  )
      83             :         throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException);
      84             :     virtual void SAL_CALL closeOutput(  )
      85             :         throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException);
      86             : 
      87             :     // Methods XActiveDataSource
      88             :     virtual void SAL_CALL setOutputStream( const Reference< XOutputStream >& aStream )
      89             :         throw(RuntimeException);
      90             :     virtual Reference< XOutputStream > SAL_CALL getOutputStream(  )
      91             :         throw(RuntimeException);
      92             : 
      93             :     // Methods XServiceInfo
      94             :         virtual OUString              SAL_CALL getImplementationName() throw();
      95             :         virtual Sequence< OUString >  SAL_CALL getSupportedServiceNames(void) throw();
      96             :         virtual sal_Bool              SAL_CALL supportsService(const OUString& ServiceName) throw();
      97             : };
      98             : 
      99           0 : OTextOutputStream::OTextOutputStream()
     100             : {
     101           0 :     mbEncodingInitialized = false;
     102           0 : }
     103             : 
     104           0 : OTextOutputStream::~OTextOutputStream()
     105             : {
     106           0 :     if( mbEncodingInitialized )
     107             :     {
     108           0 :         rtl_destroyUnicodeToTextContext( mConvUnicode2Text, mContextUnicode2Text );
     109           0 :         rtl_destroyUnicodeToTextConverter( mConvUnicode2Text );
     110             :     }
     111           0 : }
     112             : 
     113           0 : Sequence<sal_Int8> OTextOutputStream::implConvert( const OUString& rSource )
     114             : {
     115           0 :     const sal_Unicode *puSource = rSource.getStr();
     116           0 :     sal_Int32 nSourceSize = rSource.getLength();
     117             : 
     118           0 :     sal_Size nTargetCount = 0;
     119           0 :     sal_Size nSourceCount = 0;
     120             : 
     121             :     sal_uInt32 uiInfo;
     122             :     sal_Size nSrcCvtChars;
     123             : 
     124             :     // take nSourceSize * 3 as preference
     125             :     // this is an upper boundary for converting to utf8,
     126             :     // which most often used as the target.
     127           0 :     sal_Int32 nSeqSize =  nSourceSize * 3;
     128             : 
     129           0 :     Sequence<sal_Int8> seqText( nSeqSize );
     130           0 :     sal_Char *pTarget = (sal_Char *) seqText.getArray();
     131           0 :     while( sal_True )
     132             :     {
     133             :         nTargetCount += rtl_convertUnicodeToText(
     134             :                                     mConvUnicode2Text,
     135             :                                     mContextUnicode2Text,
     136             :                                     &( puSource[nSourceCount] ),
     137             :                                     nSourceSize - nSourceCount ,
     138             :                                     &( pTarget[nTargetCount] ),
     139             :                                     nSeqSize - nTargetCount,
     140             :                                     RTL_UNICODETOTEXT_FLAGS_UNDEFINED_DEFAULT |
     141             :                                     RTL_UNICODETOTEXT_FLAGS_INVALID_DEFAULT ,
     142             :                                     &uiInfo,
     143           0 :                                     &nSrcCvtChars);
     144           0 :         nSourceCount += nSrcCvtChars;
     145             : 
     146           0 :         if( uiInfo & RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL )
     147             :         {
     148           0 :             nSeqSize *= 2;
     149           0 :             seqText.realloc( nSeqSize );  // double array size
     150           0 :             pTarget = (sal_Char*) seqText.getArray();
     151           0 :             continue;
     152             :         }
     153           0 :         break;
     154             :     }
     155             : 
     156             :     // reduce the size of the buffer (fast, no copy necessary)
     157           0 :     seqText.realloc( nTargetCount );
     158           0 :     return seqText;
     159             : }
     160             : 
     161             : 
     162             : //===========================================================================
     163             : // XTextOutputStream
     164             : 
     165           0 : void OTextOutputStream::writeString( const OUString& aString )
     166             :     throw(IOException, RuntimeException)
     167             : {
     168           0 :     if( !mbEncodingInitialized )
     169             :     {
     170           0 :         OUString aUtf8Str("utf8");
     171           0 :         setEncoding( aUtf8Str );
     172             :     }
     173           0 :     if( !mbEncodingInitialized )
     174           0 :         return;
     175             : 
     176           0 :     Sequence<sal_Int8> aByteSeq = implConvert( aString );
     177           0 :     mxStream->writeBytes( aByteSeq );
     178             : }
     179             : 
     180           0 : void OTextOutputStream::setEncoding( const OUString& Encoding )
     181             :     throw(RuntimeException)
     182             : {
     183           0 :     OString aOEncodingStr = OUStringToOString( Encoding, RTL_TEXTENCODING_ASCII_US );
     184           0 :     rtl_TextEncoding encoding = rtl_getTextEncodingFromMimeCharset( aOEncodingStr.getStr() );
     185           0 :     if( RTL_TEXTENCODING_DONTKNOW == encoding )
     186           0 :         return;
     187             : 
     188           0 :     mbEncodingInitialized = true;
     189           0 :     mConvUnicode2Text   = rtl_createUnicodeToTextConverter( encoding );
     190           0 :     mContextUnicode2Text = rtl_createUnicodeToTextContext( mConvUnicode2Text );
     191           0 :     mEncoding = Encoding;
     192             : }
     193             : 
     194             : //===========================================================================
     195             : // XOutputStream
     196           0 : void OTextOutputStream::writeBytes( const Sequence< sal_Int8 >& aData )
     197             :     throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
     198             : {
     199           0 :     mxStream->writeBytes( aData );
     200           0 : }
     201             : 
     202           0 : void OTextOutputStream::flush(  )
     203             :     throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
     204             : {
     205           0 :     mxStream->flush();
     206           0 : }
     207             : 
     208           0 : void OTextOutputStream::closeOutput(  )
     209             :     throw(NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
     210             : {
     211           0 :     mxStream->closeOutput();
     212           0 : }
     213             : 
     214             : 
     215             : //===========================================================================
     216             : // XActiveDataSource
     217             : 
     218           0 : void OTextOutputStream::setOutputStream( const Reference< XOutputStream >& aStream )
     219             :     throw(RuntimeException)
     220             : {
     221           0 :     mxStream = aStream;
     222           0 : }
     223             : 
     224           0 : Reference< XOutputStream > OTextOutputStream::getOutputStream()
     225             :     throw(RuntimeException)
     226             : {
     227           0 :     return mxStream;
     228             : }
     229             : 
     230             : 
     231           0 : Reference< XInterface > SAL_CALL TextOutputStream_CreateInstance(
     232             :     SAL_UNUSED_PARAMETER const Reference< XComponentContext > &)
     233             : {
     234           0 :     return Reference < XInterface >( ( OWeakObject * ) new OTextOutputStream() );
     235             : }
     236             : 
     237           0 : OUString TextOutputStream_getImplementationName() SAL_THROW(  () )
     238             : {
     239           0 :     return OUString( IMPLEMENTATION_NAME );
     240             : }
     241             : 
     242             : 
     243           0 : Sequence< OUString > TextOutputStream_getSupportedServiceNames()
     244             : {
     245           0 :     Sequence< OUString > seqNames(1);
     246           0 :     seqNames.getArray()[0] =  SERVICE_NAME;
     247           0 :     return seqNames;
     248             : }
     249             : 
     250           0 : OUString OTextOutputStream::getImplementationName() throw()
     251             : {
     252           0 :     return TextOutputStream_getImplementationName();
     253             : }
     254             : 
     255           0 : sal_Bool OTextOutputStream::supportsService(const OUString& ServiceName) throw()
     256             : {
     257           0 :     Sequence< OUString > aSNL = getSupportedServiceNames();
     258           0 :     const OUString * pArray = aSNL.getConstArray();
     259             : 
     260           0 :     for( sal_Int32 i = 0; i < aSNL.getLength(); i++ )
     261           0 :         if( pArray[i] == ServiceName )
     262           0 :             return sal_True;
     263             : 
     264           0 :     return sal_False;
     265             : }
     266             : 
     267           0 : Sequence< OUString > OTextOutputStream::getSupportedServiceNames(void) throw()
     268             : {
     269           0 :     return TextOutputStream_getSupportedServiceNames();
     270             : }
     271             : 
     272             : 
     273             : }
     274             : 
     275             : using namespace io_TextOutputStream;
     276             : 
     277             : static struct ImplementationEntry g_entries[] =
     278             : {
     279             :     {
     280             :         TextOutputStream_CreateInstance, TextOutputStream_getImplementationName ,
     281             :         TextOutputStream_getSupportedServiceNames, createSingleComponentFactory ,
     282             :         &g_moduleCount.modCnt , 0
     283             :     },
     284             :     { 0, 0, 0, 0, 0, 0 }
     285             : };
     286             : 
     287             : extern "C"
     288             : {
     289           0 : SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL component_canUnload( TimeValue *pTime )
     290             : {
     291           0 :     return g_moduleCount.canUnload( &g_moduleCount , pTime );
     292             : }
     293             : 
     294             : //==================================================================================================
     295           0 : SAL_DLLPUBLIC_EXPORT void * SAL_CALL textoutstream_component_getFactory(
     296             :     const sal_Char * pImplName, void * pServiceManager, void * pRegistryKey )
     297             : {
     298           0 :     return component_getFactoryHelper( pImplName, pServiceManager, pRegistryKey , g_entries );
     299             : }
     300             : }
     301             : 
     302             : 
     303             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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