203 lines
4.4 KiB
C++
203 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <precomp.h>
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#include <cosv/file.hxx>
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// NOT FULLY DECLARED SERVICES
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namespace csv
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{
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File::File( const ploc::Path & i_rLocation,
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uintt i_nMode )
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: aPath(i_rLocation),
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pStream(0),
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nMode(i_nMode),
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eLastIO(io_none)
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{
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}
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File::File( const char * i_sLocation,
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uintt i_nMode )
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: aPath(i_sLocation),
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pStream(0),
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nMode(i_nMode),
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eLastIO(io_none)
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{
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}
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File::File( const String & i_sLocation,
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uintt i_nMode )
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: aPath(i_sLocation),
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pStream(0),
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nMode(i_nMode),
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eLastIO(io_none)
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{
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}
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File::~File()
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{
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if ( inq_is_open() )
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close();
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}
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uintt
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File::do_read( void * out_pDest,
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uintt i_nNrofBytes )
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{
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if ( NOT inq_is_open() )
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return 0;
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if ( eLastIO == io_write )
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::fseek( pStream, 0, SEEK_CUR );
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uintt ret = position();
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int iRet= ::fread( out_pDest, 1, i_nNrofBytes, pStream );
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if ( iRet < 0 ) {
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fprintf(stderr, "warning: read failed in %s line %d \n", __FILE__, __LINE__);
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}
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ret = position() - ret;
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eLastIO = io_read;
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return ret;
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}
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bool
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File::inq_eod() const
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{
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if ( NOT inq_is_open() )
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return true;
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return feof(pStream) != 0;
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}
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uintt
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File::do_write( const void * i_pSrc,
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uintt i_nNrofBytes )
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{
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if ( NOT inq_is_open() )
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return 0;
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if ( eLastIO == io_write )
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::fseek( pStream, 0, SEEK_CUR );
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uintt ret = position();
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::fwrite( i_pSrc, 1, i_nNrofBytes, pStream );
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ret = position() - ret;
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eLastIO = io_write;
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return ret;
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}
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uintt
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File::do_seek( intt i_nDistance,
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seek_dir i_eStartPoint )
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{
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if ( NOT inq_is_open() )
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return uintt(-1);
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static int eSearchDir[3] = { SEEK_SET, SEEK_CUR, SEEK_END };
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::fseek( pStream,
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intt(i_nDistance),
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eSearchDir[i_eStartPoint] );
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return position();
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}
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uintt
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File::inq_position() const
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{
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if ( inq_is_open() )
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return uintt( ::ftell(pStream) );
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else
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return uintt(-1);
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}
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bool
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File::do_open( uintt i_nOpenMode )
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{
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if ( inq_is_open() )
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{
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if ( i_nOpenMode == 0 OR i_nOpenMode == nMode )
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return true;
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close();
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}
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if ( i_nOpenMode != 0 )
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nMode = i_nOpenMode;
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const char * sFacadeMode = "";
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switch ( nMode )
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{
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case CFM_RW: sFacadeMode = "r+b";
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break;
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case CFM_CREATE: sFacadeMode = "w+b";
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break;
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case CFM_READ: sFacadeMode = "rb";
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break;
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default:
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sFacadeMode = "rb";
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}
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pStream = ::fopen( StrPath(), sFacadeMode );
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if ( pStream == 0 AND nMode == CFM_RW )
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{
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sFacadeMode = "w+b";
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pStream = ::fopen( StrPath(), sFacadeMode );
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}
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return pStream != 0;
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}
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void
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File::do_close()
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{
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if ( inq_is_open() )
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{
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::fclose(pStream);
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pStream = 0;
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}
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eLastIO = io_none;
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}
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bool
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File::inq_is_open() const
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{
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return pStream != 0;
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}
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const ploc::Path &
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File::inq_MyPath() const
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{
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return aPath;
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}
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} // namespace csv
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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