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/*==========================================================================
SeqAn - The Library for Sequence Analysis
http://www.seqan.de
============================================================================
Copyright (C) 2007
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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 for more details.
============================================================================
$Id: cstream.h 3689 2009-03-18 16:16:13Z rausch@PCPOOL.MI.FU-BERLIN.DE $
==========================================================================*/
#ifndef SEQAN_HEADER_CSTREAM_H
#define SEQAN_HEADER_CSTREAM_H
#include <cstdio>
namespace SEQAN_NAMESPACE_MAIN
{
//////////////////////////////////////////////////////////////////////////////
/**
.Adaption."std::FILE *":
..summary:Standard library C style streams.
*/
//////////////////////////////////////////////////////////////////////////////
// Position is now defined in file/file_cstyle.h
/*
template <>
struct Position<FILE *>
{
typedef long Type;
};
*/
//////////////////////////////////////////////////////////////////////////////
template <>
struct Value<FILE *>
{
typedef char Type;
};
//////////////////////////////////////////////////////////////////////////////
/*
template <>
struct Position<FILE *>
{
typedef ::std::fpos_t Type;
};
*/
//////////////////////////////////////////////////////////////////////////////
template <typename T>
struct _IsTellSeekStream;
template <>
struct _IsTellSeekStream<FILE *>
{
typedef True Type;
};
//////////////////////////////////////////////////////////////////////////////
inline bool
_streamOpen(::std::FILE * & me, String<char> path, bool for_read = true)
{
SEQAN_CHECKPOINT
if (for_read)
{
me = fopen(toCString(path), "rb");
}
else
{
me = fopen(toCString(path), "wb");
}
return (me != 0);
}
//////////////////////////////////////////////////////////////////////////////
inline void
_streamClose(::std::FILE * & me)
{
SEQAN_CHECKPOINT
if (me)
{
fclose(me);
me = 0;
}
}
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamEOF.param.stream.type:Adaption."std::FILE *"
inline bool
_streamEOF(::std::FILE * me)
{
SEQAN_CHECKPOINT
return feof(me) || ferror(me);
}
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamRead.param.stream.type:Adaption."std::FILE *"
template <typename TValue>
inline size_t
_streamRead(TValue * target,
::std::FILE * source,
size_t limit)
{
SEQAN_CHECKPOINT
return ::std::fread(target, sizeof(TValue), limit, source);
}
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamGet.param.stream.type:Adaption."std::FILE *"
inline char
_streamGet(::std::FILE * source)
{
SEQAN_CHECKPOINT
return getc(source);
}
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamPut.param.stream.type:Adaption."std::FILE *"
inline void
_streamPut(::std::FILE * target,
char character)
{
SEQAN_CHECKPOINT
putc(character, target);
}
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamPut.param.stream.type:Adaption."std::FILE *"
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamTellG.param.stream.type:Adaption."std::FILE *"
inline Position<FILE *>::Type
_streamTellG(FILE * me)
{
SEQAN_CHECKPOINT
return ::std::ftell(me);
}
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamTellP.param.stream.type:Adaption."std::FILE *"
inline Position<FILE *>::Type
_streamTellP(FILE * me)
{
SEQAN_CHECKPOINT
return ::std::ftell(me);
}
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamSeekG.param.stream.type:Adaption."std::FILE *"
inline void
_streamSeekG(FILE * me,
Position<FILE *>::Type pos)
{
SEQAN_CHECKPOINT
::std::fseek(me, pos, SEEK_SET);
}
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamSeekP.param.stream.type:Adaption."std::FILE *"
inline void
_streamSeekP(FILE * me,
Position<FILE *>::Type pos)
{
SEQAN_CHECKPOINT
::std::fseek(me, pos, SEEK_SET);
}
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamSeek2G.param.stream.type:Adaption."std::FILE *"
inline void
_streamSeek2G(FILE * me,
int off)
{
SEQAN_CHECKPOINT
::std::fseek(me, off, SEEK_CUR);
}
//////////////////////////////////////////////////////////////////////////////
///.Internal._streamUnget.param.stream.type:Adaption."std::FILE *"
inline void
_streamUnget(::std::FILE * stream)
{
SEQAN_CHECKPOINT
_streamSeek2G(stream, -1);
}
//////////////////////////////////////////////////////////////////////////////
// holder<FILE *>
template <typename THolder>
inline void
_holderDeallocate(THolder &, FILE *)
{
}
template <typename THolder>
inline FILE *
_holderAllocatePointer(THolder &, FILE * data)
{
return data;
}
//////////////////////////////////////////////////////////////////////////////
// Stream operators for FILE *
//////////////////////////////////////////////////////////////////////////////
// ISO C++ operators are only allowed for classes, not for pointers
/*
template <typename TSource>
inline FILE *
operator << (FILE * target,
TSource & source)
{
SEQAN_CHECKPOINT
write(target, source);
return target;
}
template <typename TSource>
inline FILE *
operator << (FILE * target,
TSource const & source)
{
SEQAN_CHECKPOINT
write(target, source);
return target;
}
//____________________________________________________________________________
template <typename TTarget>
inline FILE *
operator >> (FILE * source,
TTarget & target)
{
SEQAN_CHECKPOINT
read(source, target);
return source;
}
template <typename TTarget>
inline FILE *
operator >> (FILE * source,
TTarget const & target)
{
SEQAN_CHECKPOINT
read(source, target);
return source;
}
*/
//////////////////////////////////////////////////////////////////////////////
} //namespace SEQAN_NAMESPACE_MAIN
#endif //#ifndef SEQAN_HEADER_...
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