LCOV - code coverage report
Current view: top level - oox/source/helper - textinputstream.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 41 78 52.6 %
Date: 2012-08-25 Functions: 12 18 66.7 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 31 102 30.4 %

           Branch data     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                 :            : #include "oox/helper/textinputstream.hxx"
      21                 :            : 
      22                 :            : #include <com/sun/star/io/XActiveDataSink.hpp>
      23                 :            : #include <com/sun/star/io/XTextInputStream.hpp>
      24                 :            : #include <cppuhelper/implbase1.hxx>
      25                 :            : #include <rtl/tencinfo.h>
      26                 :            : #include "oox/helper/binaryinputstream.hxx"
      27                 :            : 
      28                 :            : namespace oox {
      29                 :            : 
      30                 :            : // ============================================================================
      31                 :            : 
      32                 :            : using namespace ::com::sun::star::io;
      33                 :            : using namespace ::com::sun::star::lang;
      34                 :            : using namespace ::com::sun::star::uno;
      35                 :            : 
      36                 :            : using ::rtl::OUString;
      37                 :            : 
      38                 :            : // ============================================================================
      39                 :            : 
      40                 :            : namespace {
      41                 :            : 
      42                 :            : typedef ::cppu::WeakImplHelper1< XInputStream > UnoBinaryInputStream_BASE;
      43                 :            : 
      44                 :            : /** Implementation of a UNO input stream wrapping a binary input stream.
      45                 :            :  */
      46         [ -  + ]:        156 : class UnoBinaryInputStream : public UnoBinaryInputStream_BASE
      47                 :            : {
      48                 :            : public:
      49                 :            :     explicit            UnoBinaryInputStream( BinaryInputStream& rInStrm );
      50                 :            : 
      51                 :            :     virtual sal_Int32 SAL_CALL readBytes( Sequence< sal_Int8 >& rData, sal_Int32 nBytesToRead )
      52                 :            :                         throw (NotConnectedException, BufferSizeExceededException, IOException, RuntimeException);
      53                 :            :     virtual sal_Int32 SAL_CALL readSomeBytes( Sequence< sal_Int8 >& rData, sal_Int32 nMaxBytesToRead )
      54                 :            :                         throw (NotConnectedException, BufferSizeExceededException, IOException, RuntimeException);
      55                 :            :     virtual void SAL_CALL skipBytes( sal_Int32 nBytesToSkip )
      56                 :            :                         throw (NotConnectedException, BufferSizeExceededException, IOException, RuntimeException);
      57                 :            :     virtual sal_Int32 SAL_CALL available()
      58                 :            :                         throw (NotConnectedException, IOException, RuntimeException);
      59                 :            :     virtual void SAL_CALL closeInput()
      60                 :            :                         throw (NotConnectedException, IOException, RuntimeException);
      61                 :            : 
      62                 :            : private:
      63                 :            :     void                ensureConnected() const throw (NotConnectedException);
      64                 :            : 
      65                 :            : private:
      66                 :            :     BinaryInputStream*  mpInStrm;
      67                 :            : };
      68                 :            : 
      69                 :            : // ----------------------------------------------------------------------------
      70                 :            : 
      71                 :         78 : UnoBinaryInputStream::UnoBinaryInputStream( BinaryInputStream& rInStrm ) :
      72                 :         78 :     mpInStrm( &rInStrm )
      73                 :            : {
      74                 :         78 : }
      75                 :            : 
      76                 :          0 : sal_Int32 SAL_CALL UnoBinaryInputStream::readBytes( Sequence< sal_Int8 >& rData, sal_Int32 nBytesToRead )
      77                 :            :         throw (NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
      78                 :            : {
      79                 :          0 :     ensureConnected();
      80                 :          0 :     return mpInStrm->readData( rData, nBytesToRead, 1 );
      81                 :            : }
      82                 :            : 
      83                 :        338 : sal_Int32 SAL_CALL UnoBinaryInputStream::readSomeBytes( Sequence< sal_Int8 >& rData, sal_Int32 nMaxBytesToRead )
      84                 :            :         throw (NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
      85                 :            : {
      86                 :        338 :     ensureConnected();
      87                 :        338 :     return mpInStrm->readData( rData, nMaxBytesToRead, 1 );
      88                 :            : }
      89                 :            : 
      90                 :          0 : void SAL_CALL UnoBinaryInputStream::skipBytes( sal_Int32 nBytesToSkip )
      91                 :            :         throw (NotConnectedException, BufferSizeExceededException, IOException, RuntimeException)
      92                 :            : {
      93                 :          0 :     ensureConnected();
      94                 :          0 :     mpInStrm->skip( nBytesToSkip, 1 );
      95                 :          0 : }
      96                 :            : 
      97                 :          0 : sal_Int32 SAL_CALL UnoBinaryInputStream::available() throw (NotConnectedException, IOException, RuntimeException)
      98                 :            : {
      99                 :          0 :     ensureConnected();
     100 [ #  # ][ #  # ]:          0 :     throw RuntimeException( CREATE_OUSTRING( "Functionality not supported" ), Reference< XInputStream >() );
     101                 :            : }
     102                 :            : 
     103                 :          0 : void SAL_CALL UnoBinaryInputStream::closeInput() throw (NotConnectedException, IOException, RuntimeException)
     104                 :            : {
     105                 :          0 :     ensureConnected();
     106                 :          0 :     mpInStrm->close();
     107                 :          0 :     mpInStrm = 0;
     108                 :          0 : }
     109                 :            : 
     110                 :        338 : void UnoBinaryInputStream::ensureConnected() const throw (NotConnectedException)
     111                 :            : {
     112         [ -  + ]:        338 :     if( !mpInStrm )
     113 [ #  # ][ #  # ]:          0 :         throw NotConnectedException( CREATE_OUSTRING( "Stream closed" ), Reference< XInterface >() );
     114                 :        338 : }
     115                 :            : 
     116                 :            : } // namespace
     117                 :            : 
     118                 :            : // ============================================================================
     119                 :            : 
     120                 :          0 : TextInputStream::TextInputStream( const Reference< XComponentContext >& rxContext, const Reference< XInputStream >& rxInStrm, rtl_TextEncoding eTextEnc )
     121                 :            : {
     122         [ #  # ]:          0 :     init( rxContext, rxInStrm, eTextEnc );
     123                 :          0 : }
     124                 :            : 
     125                 :         78 : TextInputStream::TextInputStream( const Reference< XComponentContext >& rxContext, BinaryInputStream& rInStrm, rtl_TextEncoding eTextEnc )
     126                 :            : {
     127 [ +  - ][ +  - ]:         78 :     init( rxContext, new UnoBinaryInputStream( rInStrm ), eTextEnc );
         [ +  - ][ +  - ]
     128                 :         78 : }
     129                 :            : 
     130                 :         78 : TextInputStream::~TextInputStream()
     131                 :            : {
     132                 :         78 : }
     133                 :            : 
     134                 :       2042 : bool TextInputStream::isEof() const
     135                 :            : {
     136         [ +  - ]:       2042 :     if( mxTextStrm.is() ) try
     137                 :            :     {
     138 [ +  - ][ +  - ]:       2042 :         return mxTextStrm->isEOF();
     139                 :            :     }
     140                 :          0 :     catch (const Exception&)
     141                 :            :     {
     142                 :            :     }
     143         [ #  # ]:       2042 :     return true;
     144                 :            : }
     145                 :            : 
     146                 :       1977 : OUString TextInputStream::readLine()
     147                 :            : {
     148         [ +  - ]:       1977 :     if( mxTextStrm.is() ) try
     149                 :            :     {
     150                 :            :         /*  The function createFinalString() adds a character that may have
     151                 :            :             been buffered in the previous call of readToChar() (see below). */
     152 [ +  - ][ +  - ]:       1977 :         return createFinalString( mxTextStrm->readLine() );
     153                 :            :     }
     154                 :          0 :     catch (const Exception&)
     155                 :            :     {
     156                 :          0 :         mxTextStrm.clear();
     157                 :            :     }
     158         [ #  # ]:       1977 :     return OUString();
     159                 :            : }
     160                 :            : 
     161                 :          0 : OUString TextInputStream::readToChar( sal_Unicode cChar, bool bIncludeChar )
     162                 :            : {
     163         [ #  # ]:          0 :     if( mxTextStrm.is() ) try
     164                 :            :     {
     165         [ #  # ]:          0 :         Sequence< sal_Unicode > aDelimiters( 1 );
     166         [ #  # ]:          0 :         aDelimiters[ 0 ] = cChar;
     167                 :            :         /*  Always get the delimiter character from the UNO text input stream.
     168                 :            :             In difference to this implementation, it will not return it in the
     169                 :            :             next call but silently skip it. If caller specifies to exclude the
     170                 :            :             character in this call, it will be returned in the next call of one
     171                 :            :             of the own member functions. The function createFinalString() adds
     172                 :            :             a character that has been buffered in the previous call. */
     173 [ #  # ][ #  # ]:          0 :         OUString aString = createFinalString( mxTextStrm->readString( aDelimiters, sal_False ) );
     174                 :            :         // remove last character from string and remember it for next call
     175 [ #  # ][ #  # ]:          0 :         if( !bIncludeChar && !aString.isEmpty() && (aString[ aString.getLength() - 1 ] == cChar) )
         [ #  # ][ #  # ]
     176                 :            :         {
     177                 :          0 :             mcPendingChar = cChar;
     178                 :          0 :             aString = aString.copy( 0, aString.getLength() - 1 );
     179                 :            :         }
     180 [ #  # ][ #  # ]:          0 :         return aString;
     181                 :            :     }
     182                 :          0 :     catch (const Exception&)
     183                 :            :     {
     184                 :          0 :         mxTextStrm.clear();
     185                 :            :     }
     186                 :          0 :     return OUString();
     187                 :            : }
     188                 :            : 
     189                 :         84 : /*static*/ Reference< XTextInputStream > TextInputStream::createXTextInputStream(
     190                 :            :         const Reference< XComponentContext >& rxContext, const Reference< XInputStream >& rxInStrm, rtl_TextEncoding eTextEnc )
     191                 :            : {
     192                 :         84 :     Reference< XTextInputStream > xTextStrm;
     193         [ +  - ]:         84 :     const char* pcCharset = rtl_getBestMimeCharsetFromTextEncoding( eTextEnc );
     194                 :            :     OSL_ENSURE( pcCharset, "TextInputStream::createXTextInputStream - unsupported text encoding" );
     195 [ +  - ][ +  - ]:         84 :     if( rxContext.is() && rxInStrm.is() && pcCharset ) try
         [ +  - ][ +  - ]
     196                 :            :     {
     197 [ +  - ][ +  - ]:         84 :         Reference< XMultiServiceFactory > xFactory( rxContext->getServiceManager(), UNO_QUERY_THROW );
                 [ +  - ]
     198 [ +  - ][ +  - ]:         84 :         Reference< XActiveDataSink > xDataSink( xFactory->createInstance( CREATE_OUSTRING( "com.sun.star.io.TextInputStream" ) ), UNO_QUERY_THROW );
         [ +  - ][ +  - ]
     199 [ +  - ][ +  - ]:         84 :         xDataSink->setInputStream( rxInStrm );
     200         [ +  - ]:         84 :         xTextStrm.set( xDataSink, UNO_QUERY_THROW );
     201 [ +  - ][ +  - ]:         84 :         xTextStrm->setEncoding( OUString::createFromAscii( pcCharset ) );
                 [ #  # ]
     202                 :            :     }
     203         [ #  # ]:          0 :     catch (const Exception&)
     204                 :            :     {
     205                 :            :     }
     206                 :         84 :     return xTextStrm;
     207                 :            : }
     208                 :            : 
     209                 :            : // private --------------------------------------------------------------------
     210                 :            : 
     211                 :       1977 : OUString TextInputStream::createFinalString( const OUString& rString )
     212                 :            : {
     213         [ +  - ]:       1977 :     if( mcPendingChar == 0 )
     214                 :       1977 :         return rString;
     215                 :            : 
     216                 :          0 :     OUString aString = OUString( mcPendingChar ) + rString;
     217                 :          0 :     mcPendingChar = 0;
     218                 :       1977 :     return aString;
     219                 :            : }
     220                 :            : 
     221                 :         78 : void TextInputStream::init( const Reference< XComponentContext >& rxContext, const Reference< XInputStream >& rxInStrm, rtl_TextEncoding eTextEnc )
     222                 :            : {
     223                 :         78 :     mcPendingChar = 0;
     224         [ +  - ]:         78 :     mxTextStrm = createXTextInputStream( rxContext, rxInStrm, eTextEnc );
     225                 :         78 : }
     226                 :            : 
     227                 :            : // ============================================================================
     228                 :            : 
     229                 :            : } // namespace oox
     230                 :            : 
     231                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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