| | 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 | |
| | 17 | #ifdef __GNUG__ |
| | 18 | #pragma interface "apt-pkg/extracttar.h" |
| | 19 | #endif |
| | 20 | |
| | 21 | #include <apt-pkg/fileutl.h> |
| | 22 | #include <apt-pkg/dirstream.h> |
| | 23 | |
| | 24 | #include <algorithm> |
| | 25 | |
| | 26 | using std::min; |
| | 27 | |
| | 28 | class ExtractTar |
| | 29 | { |
| | 30 | protected: |
| | 31 | |
| | 32 | struct TarHeader; |
| | 33 | |
| | 34 | // The varios types items can be |
| | 35 | enum ItemType {NormalFile0 = '\0',NormalFile = '0',HardLink = '1', |
| | 36 | SymbolicLink = '2',CharacterDevice = '3', |
| | 37 | BlockDevice = '4',Directory = '5',FIFO = '6', |
| | 38 | GNU_LongLink = 'K',GNU_LongName = 'L'}; |
| | 39 | |
| | 40 | FileFd &File; |
| | 41 | unsigned long MaxInSize; |
| | 42 | int GZPid; |
| | 43 | FileFd InFd; |
| | 44 | bool Eof; |
| | 45 | string DecompressProg; |
| | 46 | |
| | 47 | // Fork and reap gzip |
| | 48 | bool StartGzip(); |
| | 49 | bool Done(bool Force); |
| | 50 | |
| | 51 | public: |
| | 52 | |
| | 53 | bool Go(pkgDirStream &Stream); |
| | 54 | |
| | 55 | ExtractTar(FileFd &Fd,unsigned long Max,string DecompressionProgram); |
| | 56 | virtual ~ExtractTar(); |
| | 57 | }; |
| | 58 | |
| | 59 | #endif |
projects / apt.git / blame_incremental