[apt.git] / apt-inst / contrib / extracttar.h

// -*- mode: cpp; mode: fold -*-
// Description								/*{{{*/
// $Id: extracttar.h,v 1.2 2001/02/20 07:03:17 jgg Exp $
/* ######################################################################

   Extract a Tar - Tar Extractor
   
   The tar extractor takes an ordinary gzip compressed tar stream from 
   the given file and explodes it, passing the individual items to the
   given Directory Stream for processing.
   
   ##################################################################### */
									/*}}}*/
#ifndef PKGLIB_EXTRACTTAR_H
#define PKGLIB_EXTRACTTAR_H

#include <apt-pkg/fileutl.h>

#include <string>

#ifndef APT_8_CLEANER_HEADERS
#include <apt-pkg/dirstream.h>
#include <algorithm>
using std::min;
#endif

class pkgDirStream;

class ExtractTar
{
   protected:
   
   struct TarHeader;
   
   // The varios types items can be
   enum ItemType {NormalFile0 = '\0',NormalFile = '0',HardLink = '1',
                  SymbolicLink = '2',CharacterDevice = '3',
                  BlockDevice = '4',Directory = '5',FIFO = '6',
                  GNU_LongLink = 'K',GNU_LongName = 'L'};

   FileFd &File;
   unsigned long long MaxInSize;
   int GZPid;
   FileFd InFd;
   bool Eof;
   std::string DecompressProg;
   
   // Fork and reap gzip
   bool StartGzip();
   bool Done(bool Force);
   
   public:

   bool Go(pkgDirStream &Stream);
   
   ExtractTar(FileFd &Fd,unsigned long long Max,std::string DecompressionProgram);
   virtual ~ExtractTar();
};

#endif
Commit	Line	Data
b2e465d6 AL	1	// -- mode: cpp; mode: fold --
	2	// Description /{{{/
	3	// $Id: extracttar.h,v 1.2 2001/02/20 07:03:17 jgg Exp $
	4	/* ######################################################################
	5
	6	Extract a Tar - Tar Extractor
	7
	8	The tar extractor takes an ordinary gzip compressed tar stream from
	9	the given file and explodes it, passing the individual items to the
	10	given Directory Stream for processing.
	11
	12	##################################################################### */
	13	/}}}/
	14	#ifndef PKGLIB_EXTRACTTAR_H
	15	#define PKGLIB_EXTRACTTAR_H
	16
b2e465d6	17	#include <apt-pkg/fileutl.h>
b2e465d6	18
472ff00e DK	19	#include <string>
472ff00e DK	20
a4f6bdc8	21	#ifndef APT_8_CLEANER_HEADERS
b9dadc24 DK	22	#include <apt-pkg/dirstream.h>
b9dadc24 DK	23	#include <algorithm>
a4f6bdc8 DK	24	using std::min;
	25	#endif
	26
472ff00e	27	class pkgDirStream;
42ab8223	28
b2e465d6 AL	29	class ExtractTar
	30	{
	31	protected:
	32
	33	struct TarHeader;
	34
	35	// The varios types items can be
	36	enum ItemType {NormalFile0 = '\0',NormalFile = '0',HardLink = '1',
	37	SymbolicLink = '2',CharacterDevice = '3',
	38	BlockDevice = '4',Directory = '5',FIFO = '6',
	39	GNU_LongLink = 'K',GNU_LongName = 'L'};
	40
	41	FileFd &File;
3621b1c7	42	unsigned long long MaxInSize;
b2e465d6 AL	43	int GZPid;
	44	FileFd InFd;
	45	bool Eof;
8f3ba4e8	46	std::string DecompressProg;
b2e465d6 AL	47
	48	// Fork and reap gzip
	49	bool StartGzip();
	50	bool Done(bool Force);
	51
	52	public:
	53
	54	bool Go(pkgDirStream &Stream);
	55
3621b1c7	56	ExtractTar(FileFd &Fd,unsigned long long Max,std::string DecompressionProgram);
b2e465d6 AL	57	virtual ~ExtractTar();
	58	};
	59
	60	#endif