apt-pkg/srcrecords.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: srcrecords.h,v 1.8.2.1 2003/12/26 16:27:34 mdz Exp $
   4 /* ######################################################################
   5
   6    Source Package Records - Allows access to source package records
   7
   8    Parses and allows access to the list of source records and searching by
   9    source name on that list.
  10
  11    ##################################################################### */
  12                                                                         /*}}}*/
  13 #ifndef PKGLIB_SRCRECORDS_H
  14 #define PKGLIB_SRCRECORDS_H
  15
  16 #include <apt-pkg/macros.h>
  17 #include <apt-pkg/hashes.h>
  18
  19 #include <string>
  20 #include <vector>
  21
  22 #ifndef APT_8_CLEANER_HEADERS
  23 using std::string;
  24 using std::vector;
  25 #endif
  26
  27 class pkgSourceList;
  28 class pkgIndexFile;
  29 class pkgSrcRecords
  30 {
  31    public:
  32
  33 #if __GNUC__ >= 4
  34         // ensure that con- & de-structor don't trigger this warning
  35         #pragma GCC diagnostic push
  36         #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
  37 #endif
  38    // Describes a single file
  39    struct File
  40    {
  41       std::string Path;
  42       std::string Type;
  43       unsigned long long Size;
  44       HashStringList Hashes;
  45       APT_DEPRECATED std::string MD5Hash;
  46    };
  47 #if __GNUC__ >= 4
  48         #pragma GCC diagnostic pop
  49 #endif
  50
  51    // Abstract parser for each source record
  52    class Parser
  53    {
  54       protected:
  55
  56       const pkgIndexFile *iIndex;
  57
  58       public:
  59
  60       enum BuildDep {BuildDepend=0x0,BuildDependIndep=0x1,
  61                      BuildConflict=0x2,BuildConflictIndep=0x3};
  62
  63       struct BuildDepRec
  64       {
  65          std::string Package;
  66          std::string Version;
  67          unsigned int Op;
  68          unsigned char Type;
  69       };
  70
  71       inline const pkgIndexFile &Index() const {return *iIndex;};
  72
  73       virtual bool Restart() = 0;
  74       virtual bool Step() = 0;
  75       virtual bool Jump(unsigned long const &Off) = 0;
  76       virtual unsigned long Offset() = 0;
  77       virtual std::string AsStr() = 0;
  78
  79       virtual std::string Package() const = 0;
  80       virtual std::string Version() const = 0;
  81       virtual std::string Maintainer() const = 0;
  82       virtual std::string Section() const = 0;
  83       virtual const char **Binaries() = 0;   // Ownership does not transfer
  84
  85       //FIXME: Add a parameter to specify which architecture to use for [wildcard] matching
  86       virtual bool BuildDepends(std::vector<BuildDepRec> &BuildDeps, bool const &ArchOnly, bool const &StripMultiArch = true) = 0;
  87       static const char *BuildDepType(unsigned char const &Type) APT_PURE;
  88
  89       virtual bool Files(std::vector<pkgSrcRecords::File> &F) = 0;
  90
  91       Parser(const pkgIndexFile *Index) : iIndex(Index) {};
  92       virtual ~Parser() {};
  93    };
  94
  95    private:
  96    /** \brief dpointer placeholder (for later in case we need it) */
  97    void *d;
  98
  99    // The list of files and the current parser pointer
 100    std::vector<Parser*> Files;
 101    std::vector<Parser *>::iterator Current;
 102
 103    public:
 104
 105    // Reset the search
 106    bool Restart();
 107
 108    // Step to the next SourcePackage and return pointer to the
 109    // next SourceRecord. The pointer is owned by libapt.
 110    const Parser* Step();
 111
 112    // Locate a package by name and return pointer to the Parser.
 113    // The pointer is owned by libapt.
 114    Parser* Find(const char *Package,bool const &SrcOnly = false);
 115
 116    pkgSrcRecords(pkgSourceList &List);
 117    virtual ~pkgSrcRecords();
 118 };
 119
 120 #endif