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/*
* Copyright (C) 2007-2008 Xagasoft, All rights reserved.
*
* This file is part of the libbu++ library and is released under the
* terms of the license contained in the file LICENSE.
*/
#include "file.h"
#include "exceptions.h"
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
Bu::File::File( const char *sName, const char *sFlags )
{
fh = fopen( sName, sFlags );
if( fh == NULL )
{
throw Bu::FileException( errno, "%s: %s", strerror(errno), sName );
}
}
Bu::File::File( const Bu::FString &sName, const char *sFlags )
{
fh = fopen( sName.getStr(), sFlags );
if( fh == NULL )
{
throw Bu::FileException( errno, "%s: %s", strerror(errno), sName.getStr() );
}
}
Bu::File::File( int fd, const char *sFlags )
{
fh = fdopen( fd, sFlags );
}
Bu::File::~File()
{
close();
}
void Bu::File::close()
{
if( fh )
{
fclose( fh );
fh = NULL;
}
}
size_t Bu::File::read( void *pBuf, size_t nBytes )
{
if( !fh )
throw FileException("File not open.");
int nAmnt = fread( pBuf, 1, nBytes, fh );
//if( nAmnt == 0 )
// throw FileException("End of file.");
return nAmnt;
}
size_t Bu::File::write( const void *pBuf, size_t nBytes )
{
if( !fh )
throw FileException("File not open.");
return fwrite( pBuf, 1, nBytes, fh );
}
long Bu::File::tell()
{
if( !fh )
throw FileException("File not open.");
return ftell( fh );
}
void Bu::File::seek( long offset )
{
if( !fh )
throw FileException("File not open.");
fseek( fh, offset, SEEK_CUR );
}
void Bu::File::setPos( long pos )
{
if( !fh )
throw FileException("File not open.");
fseek( fh, pos, SEEK_SET );
}
void Bu::File::setPosEnd( long pos )
{
if( !fh )
throw FileException("File not open.");
fseek( fh, pos, SEEK_END );
}
bool Bu::File::isEOS()
{
return feof( fh );
}
bool Bu::File::canRead()
{
return true;
}
bool Bu::File::canWrite()
{
return true;
}
bool Bu::File::isReadable()
{
return true;
}
bool Bu::File::isWritable()
{
return true;
}
bool Bu::File::isSeekable()
{
return true;
}
bool Bu::File::isBlocking()
{
return true;
}
void Bu::File::setBlocking( bool bBlocking )
{
#ifdef WIN32
fprintf(stderr, "STUB: Bu::File::setBlocking\n");
#else
if( bBlocking )
fcntl(
fileno( fh ),
F_SETFL, fcntl( fileno( fh ), F_GETFL, 0 )&(~O_NONBLOCK)
);
else
fcntl(
fileno( fh ),
F_SETFL, fcntl( fileno( fh ), F_GETFL, 0 )|O_NONBLOCK
);
#endif
}
#ifndef WIN32
void Bu::File::truncate( long nSize )
{
ftruncate( fileno( fh ), nSize );
}
void Bu::File::chmod( mode_t t )
{
fchmod( fileno( fh ), t );
}
#endif
void Bu::File::flush()
{
fflush( fh );
}
bool Bu::File::isOpen()
{
return (fh != NULL);
}
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