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/*
* Baltisot
* Copyright (C) 1999-2008 Nicolas "Pixel" Noble
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __HANDLE_H__
#define __HANDLE_H__
#include <sys/types.h>
#include <time.h>
#include <zlib.h>
#include <iostream>
#include <BString.h>
#include <Exceptions.h>
class Handle : public Base {
public:
Handle(const Handle &);
virtual ~Handle();
virtual ssize_t read(void * buf, size_t count) throw (GeneralException);
virtual ssize_t write(const void * buf, size_t count) throw (GeneralException);
Uint8 readU8();
Uint16 readU16();
Uint32 readU32();
Uint64 readU64();
int8 read8();
int16 read16();
int32 read32();
int64 read64();
float readFloat();
double readDouble();
void writeU8(Uint8);
void writeU16(Uint16);
void writeU32(Uint32);
void writeU64(Uint64);
void write8(int8);
void write16(int16);
void write32(int32);
void write64(int64);
void writeFloat(float);
void writeDouble(double);
void copyto(Handle *, ssize_t = -1);
void copyfrom(Handle *, ssize_t = -1);
bool IsClosed(void) const;
bool IsNonBlock(void) const;
void SetNonBlock(void);
virtual bool CanRead() const;
virtual bool CanWrite() const;
virtual bool CanSeek() const;
virtual off_t seek(off_t, int = SEEK_SET) throw (GeneralException);
virtual off_t tell() const;
virtual String GetName() const;
virtual ssize_t GetSize() const;
virtual time_t GetModif() const;
void close() throw (GeneralException);
int GetHandle();
void * GetHFile();
virtual bool CanWatch() const;
virtual int Dup() const throw (GeneralException);
virtual void SetZ(int = 9) throw (GeneralException);
virtual void Flush();
void * mmap(off_t = 0, size_t = -1) throw (GeneralException);
void munmap() throw (GeneralException);
static int GetNbHandles();
static int zlib_inflate(Handle * in, Handle * out) throw (GeneralException);
static int zlib_deflate(Handle * in, Handle * out, int level = Z_DEFAULT_COMPRESSION, bool raw = false, bool gzip = false) throw (GeneralException);
#ifdef HAVE_UCL
static int ucl_compress(Handle * in, Handle * out, int len_in = -1) throw (GeneralException);
static int ucl_decompress(Handle * in, Handle * out, unsigned int len_out, int len_in = -1) throw (GeneralException);
static int ucl_overlap(Handle * in, unsigned int len_out, int len_in = -1) throw (GeneralException);
#endif
protected:
Handle(int h);
int GetHandle() const;
off_t itell;
void * hFile;
virtual ssize_t nwrite(const void *, size_t) throw (GeneralException);
virtual ssize_t nread(void *, size_t) throw (GeneralException);
virtual int ndup() const throw (GeneralException);
virtual int nclose() throw (GeneralException);
void tagclose();
private:
ssize_t uwrite(const void *, size_t) throw (GeneralException);
ssize_t uread(void *, size_t);
int h;
bool closed, nonblock;
gzFile zfile;
z_stream zstrm;
int z, c;
void * hMapObject;
bool mapped;
size_t maplength;
void * mappedarea;
static int nb_handles;
};
Handle & operator<<(Handle &, const String &);
Handle & operator>>(Handle &, String &) throw (GeneralException);
void copy(Handle *, Handle *, ssize_t = -1);
#endif
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