zypp/target/rpm/RpmHeader.h

   1 /*---------------------------------------------------------------------\
   2 |                          ____ _   __ __ ___                          |
   3 |                         |__  / \ / / . \ . \                         |
   4 |                           / / \ V /|  _/  _/                         |
   5 |                          / /__ | | | | | |                           |
   6 |                         /_____||_| |_| |_|                           |
   7 |                                                                      |
   8 \---------------------------------------------------------------------*/
   9 /** \file zypp/target/rpm/RpmHeader.h
  10  *
  11 */
  12 #ifndef ZYPP_TARGET_RPM_RPMHEADER_H
  13 #define ZYPP_TARGET_RPM_RPMHEADER_H
  14
  15 #include <iosfwd>
  16 #include <list>
  17
  18 #include "zypp/target/rpm/BinHeader.h"
  19
  20 #include "zypp/Package.h"
  21 #include "zypp/Changelog.h"
  22 #include "zypp/CapSetFwd.h"
  23 #include "zypp/Pathname.h"
  24
  25 namespace zypp {
  26   namespace target {
  27     namespace rpm {
  28
  29
  30       ///////////////////////////////////////////////////////////////////
  31       //
  32       //        CLASS NAME : RpmHeader
  33       /**
  34        * @short Wrapper class for rpm header struct.
  35        *
  36        * <code>RpmHeader</code> provides methods to query the content
  37        * of a rpm header struct retrieved from the RPM database or by reading
  38        * the rpm header of a package on disk.
  39        *
  40        * The rpm header contains all data associated with a package. So you
  41        * probabely do not want to permanently store too many of them.
  42        *
  43        * <B>NEVER create <code>RpmHeader</code> from a NULL <code>Header</code>! </B>
  44        **/
  45       class RpmHeader : public BinHeader {
  46         public:
  47           typedef intrusive_ptr<RpmHeader> Ptr;
  48           typedef intrusive_ptr<const RpmHeader> constPtr;
  49
  50         private:
  51
  52           CapSet PkgRelList_val( tag tag_r, bool pre, std::set<std::string> * freq_r = 0 ) const;
  53
  54         public:
  55
  56           /**
  57            *
  58            **/
  59           RpmHeader( Header h_r = 0 );
  60
  61           /**
  62            * <B>Dangerous!<\B> This one takes the header out of rhs
  63            * and leaves rhs empty.
  64            **/
  65           RpmHeader( BinHeader::Ptr & rhs );
  66
  67           virtual ~RpmHeader();
  68
  69           bool isSrc() const;
  70
  71         public:
  72
  73           std::string    tag_name()        const;
  74           Edition tag_edition()     const;
  75           Arch    tag_arch()        const;
  76
  77           Date       tag_installtime() const;
  78           Date       tag_buildtime()   const;
  79
  80           /**
  81            * If <code>freq_r</code> is not NULL, file dependencies found are inserted.
  82            **/
  83           CapSet tag_provides ( std::set<std::string> * freq_r = 0 ) const;
  84           /**
  85            * @see #tag_provides
  86            **/
  87           CapSet tag_requires ( std::set<std::string> * freq_r = 0 ) const;
  88           /**
  89            * @see #tag_provides
  90            **/
  91           CapSet tag_prerequires ( std::set<std::string> * freq_r = 0 ) const;
  92           /**
  93            * @see #tag_provides
  94            **/
  95           CapSet tag_conflicts( std::set<std::string> * freq_r = 0 ) const;
  96           /**
  97            * @see #tag_provides
  98            **/
  99           CapSet tag_obsoletes( std::set<std::string> * freq_r = 0 ) const;
 100
 101           ByteCount tag_size()        const;
 102           ByteCount tag_archivesize() const;
 103
 104           std::string tag_summary()      const;
 105           std::string tag_description()  const;
 106           std::string tag_group()        const;
 107           std::string tag_vendor()       const;
 108           std::string tag_distribution() const;
 109           std::string tag_license()      const;
 110           std::string tag_buildhost()    const;
 111           std::string tag_packager()     const;
 112           std::string tag_url()          const;
 113           std::string tag_os()           const;
 114           std::string tag_prein()        const;
 115           std::string tag_postin()       const;
 116           std::string tag_preun()        const;
 117           std::string tag_postun()       const;
 118           std::string tag_sourcerpm()    const;
 119
 120           std::list<std::string> tag_filenames() const;
 121
 122           Changelog tag_changelog() const;
 123
 124           /**
 125            * Returns reference to arg <code>dudata_r</code>.
 126            **/
 127           Package::DiskUsage & tag_du( Package::DiskUsage & dudata_r ) const;
 128
 129         public:
 130
 131           virtual std::ostream & dumpOn( std::ostream & str ) const;
 132
 133         public:
 134
 135           /**
 136            * Digest and signature verification flags
 137            **/
 138           enum VERIFICATION {
 139             VERIFY       = 0x0000,
 140             NODIGEST     = (1<<0),
 141             NOSIGNATURE  = (1<<1),
 142             NOVERIFY     = 0xffff
 143           };
 144
 145           /**
 146            * Get an accessible packages data from disk.
 147            * Returns NULL on any error.
 148            **/
 149           static RpmHeader::constPtr readPackage( const Pathname & path,
 150                                           VERIFICATION verification = VERIFY );
 151       };
 152
 153 ///////////////////////////////////////////////////////////////////
 154     } // namespace rpm
 155   } // namespace target
 156 } // namespace zypp
 157
 158 #endif // ZYPP_TARGET_RPM_RPMHEADER_H
 159