apt: apt-pkg/contrib/extracttar.h Source File

apt 2.7.5 commandline package manager

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