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Diffstat (limited to 'apt-pkg/contrib/extracttar.h')
-rw-r--r-- | apt-pkg/contrib/extracttar.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/apt-pkg/contrib/extracttar.h b/apt-pkg/contrib/extracttar.h new file mode 100644 index 000000000..adde21352 --- /dev/null +++ b/apt-pkg/contrib/extracttar.h @@ -0,0 +1,60 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +/* ###################################################################### + + 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 <apt-pkg/macros.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(); + + public: + + bool Go(pkgDirStream &Stream); + + ExtractTar(FileFd &Fd,unsigned long long Max,std::string DecompressionProgram); + virtual ~ExtractTar(); +}; + +#endif |