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 #include "zypp/DiskUsage.h"
  25
  26 namespace zypp {
  27   namespace target {
  28     namespace rpm {
  29
  30
  31       ///////////////////////////////////////////////////////////////////
  32       //
  33       //        CLASS NAME : RpmHeader
  34       /**
  35        * @short Wrapper class for rpm header struct.
  36        *
  37        * <code>RpmHeader</code> provides methods to query the content
  38        * of a rpm header struct retrieved from the RPM database or by reading
  39        * the rpm header of a package on disk.
  40        *
  41        * The rpm header contains all data associated with a package. So you
  42        * probabely do not want to permanently store too many of them.
  43        *
  44        * <B>NEVER create <code>RpmHeader</code> from a NULL <code>Header</code>! </B>
  45        **/
  46       class RpmHeader : public BinHeader {
  47         public:
  48           typedef intrusive_ptr<RpmHeader> Ptr;
  49           typedef intrusive_ptr<const RpmHeader> constPtr;
  50
  51         private:
  52
  53           CapSet PkgRelList_val( tag tag_r, bool pre, std::set<std::string> * freq_r = 0 ) const;
  54
  55         public:
  56
  57           /**
  58            *
  59            **/
  60           RpmHeader( Header h_r = 0 );
  61
  62           /**
  63            * <B>Dangerous!<\B> This one takes the header out of rhs
  64            * and leaves rhs empty.
  65            **/
  66           RpmHeader( BinHeader::Ptr & rhs );
  67
  68           virtual ~RpmHeader();
  69
  70           bool isSrc() const;
  71
  72         public:
  73
  74           std::string    tag_name()        const;
  75           Edition tag_edition()     const;
  76           Arch    tag_arch()        const;
  77
  78           Date       tag_installtime() const;
  79           Date       tag_buildtime()   const;
  80
  81           /**
  82            * If <code>freq_r</code> is not NULL, file dependencies found are inserted.
  83            **/
  84           CapSet tag_provides ( std::set<std::string> * freq_r = 0 ) const;
  85           /**
  86            * @see #tag_provides
  87            **/
  88           CapSet tag_requires ( std::set<std::string> * freq_r = 0 ) const;
  89           /**
  90            * @see #tag_provides
  91            **/
  92           CapSet tag_prerequires ( std::set<std::string> * freq_r = 0 ) const;
  93           /**
  94            * @see #tag_provides
  95            **/
  96           CapSet tag_conflicts( std::set<std::string> * freq_r = 0 ) const;
  97           /**
  98            * @see #tag_provides
  99            **/
 100           CapSet tag_obsoletes( std::set<std::string> * freq_r = 0 ) const;
 101
 102           ByteCount tag_size()        const;
 103           ByteCount tag_archivesize() const;
 104
 105           std::string tag_summary()      const;
 106           std::string tag_description()  const;
 107           std::string tag_group()        const;
 108           std::string tag_vendor()       const;
 109           std::string tag_distribution() const;
 110           std::string tag_license()      const;
 111           std::string tag_buildhost()    const;
 112           std::string tag_packager()     const;
 113           std::string tag_url()          const;
 114           std::string tag_os()           const;
 115           std::string tag_prein()        const;
 116           std::string tag_postin()       const;
 117           std::string tag_preun()        const;
 118           std::string tag_postun()       const;
 119           std::string tag_sourcerpm()    const;
 120
 121           std::list<std::string> tag_filenames() const;
 122
 123           Changelog tag_changelog() const;
 124
 125           /**
 126            * Returns reference to arg <code>dudata_r</code>.
 127            **/
 128           DiskUsage & tag_du( DiskUsage & dudata_r ) const;
 129
 130         public:
 131
 132           virtual std::ostream & dumpOn( std::ostream & str ) const;
 133
 134         public:
 135
 136           /**
 137            * Digest and signature verification flags
 138            **/
 139           enum VERIFICATION {
 140             VERIFY       = 0x0000,
 141             NODIGEST     = (1<<0),
 142             NOSIGNATURE  = (1<<1),
 143             NOVERIFY     = 0xffff
 144           };
 145
 146           /**
 147            * Get an accessible packages data from disk.
 148            * Returns NULL on any error.
 149            **/
 150           static RpmHeader::constPtr readPackage( const Pathname & path,
 151                                           VERIFICATION verification = VERIFY );
 152       };
 153
 154 ///////////////////////////////////////////////////////////////////
 155     } // namespace rpm
 156   } // namespace target
 157 } // namespace zypp
 158
 159 #endif // ZYPP_TARGET_RPM_RPMHEADER_H
 160