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Diffstat (limited to 'cosv/source/storage/file.cxx')
| -rw-r--r-- | cosv/source/storage/file.cxx | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/cosv/source/storage/file.cxx b/cosv/source/storage/file.cxx new file mode 100644 index 000000000000..aa1190ec9fab --- /dev/null +++ b/cosv/source/storage/file.cxx @@ -0,0 +1,242 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#include <precomp.h> +#include <cosv/file.hxx> + +// NOT FULLY DECLARED SERVICES + + +namespace csv +{ + + +File::File( uintt i_nMode ) + : // aPath, + pStream(0), + nMode(i_nMode), + eLastIO(io_none) +{ +} + +File::File( const ploc::Path & i_rLocation, + uintt i_nMode ) + : aPath(i_rLocation), + pStream(0), + nMode(i_nMode), + eLastIO(io_none) +{ +} + +File::File( const char * i_sLocation, + uintt i_nMode ) + : aPath(i_sLocation), + pStream(0), + nMode(i_nMode), + eLastIO(io_none) +{ +} + +File::File( const String & i_sLocation, + uintt i_nMode ) + : aPath(i_sLocation), + pStream(0), + nMode(i_nMode), + eLastIO(io_none) +{ +} + +File::~File() +{ + if ( inq_is_open() ) + close(); +} + +bool +File::Assign( ploc::Path i_rLocation ) +{ + if (is_open() ) + return false; + + InvalidatePath(); + aPath = i_rLocation; + return true; +} + +bool +File::Assign( const char * i_sLocation ) +{ + if (is_open() ) + return false; + + InvalidatePath(); + aPath.Set( i_sLocation ); + return true; +} + +bool +File::Assign( const String & i_sLocation ) +{ + if (is_open() ) + return false; + + InvalidatePath(); + aPath.Set( i_sLocation ); + return true; +} + +uintt +File::do_read( void * out_pDest, + uintt i_nNrofBytes ) +{ + if ( NOT inq_is_open() ) + return 0; + + if ( eLastIO == io_write ) + ::fseek( pStream, 0, SEEK_CUR ); + uintt ret = position(); + int iRet= ::fread( out_pDest, 1, i_nNrofBytes, pStream ); + if ( iRet < 0 ) { + fprintf(stderr, "warning: read failed in %s line %d \n", __FILE__, __LINE__); + } + ret = position() - ret; + + eLastIO = io_read; + return ret; +} + +bool +File::inq_eod() const +{ + if ( NOT inq_is_open() ) + return true; + return feof(pStream) != 0; +} + +uintt +File::do_write( const void * i_pSrc, + uintt i_nNrofBytes ) +{ + if ( NOT inq_is_open() ) + return 0; + + if ( eLastIO == io_write ) + ::fseek( pStream, 0, SEEK_CUR ); + uintt ret = position(); + ::fwrite( i_pSrc, 1, i_nNrofBytes, pStream ); + ret = position() - ret; + + eLastIO = io_write; + return ret; +} + +uintt +File::do_seek( intt i_nDistance, + seek_dir i_eStartPoint ) +{ + if ( NOT inq_is_open() ) + return uintt(-1); + + static int eSearchDir[3] = { SEEK_SET, SEEK_CUR, SEEK_END }; + + ::fseek( pStream, + intt(i_nDistance), + eSearchDir[i_eStartPoint] ); + return position(); +} + +uintt +File::inq_position() const +{ + if ( inq_is_open() ) + return uintt( ::ftell(pStream) ); + else + return uintt(-1); +} + +bool +File::do_open( uintt i_nOpenMode ) +{ + if ( inq_is_open() ) + { + if ( i_nOpenMode == 0 OR i_nOpenMode == nMode ) + return true; + close(); + } + + if ( i_nOpenMode != 0 ) + nMode = i_nOpenMode; + + const char * sFacadeMode = ""; + switch ( nMode ) + { + case CFM_RW: sFacadeMode = "r+b"; + break; + case CFM_CREATE: sFacadeMode = "w+b"; + break; + case CFM_READ: sFacadeMode = "rb"; + break; + default: + sFacadeMode = "rb"; + } + + pStream = ::fopen( StrPath(), sFacadeMode ); + if ( pStream == 0 AND nMode == CFM_RW ) + { + sFacadeMode = "w+b"; + pStream = ::fopen( StrPath(), sFacadeMode ); + } + + return pStream != 0; +} + +void +File::do_close() +{ + if ( inq_is_open() ) + { + ::fclose(pStream); + pStream = 0; + } + eLastIO = io_none; +} + +bool +File::inq_is_open() const +{ + return pStream != 0; +} + +const ploc::Path & +File::inq_MyPath() const +{ + return aPath; +} + + +} // namespace csv + |