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
  17 #include <string>
  18 #include <vector>
  19
  20 using std::string;
  21 using std::vector;
  22
  23 class pkgSourceList;
  24 class pkgIndexFile;
  25 class pkgSrcRecords
  26 {
  27    public:
  28
  29    // Describes a single file
  30    struct File
  31    {
  32       string MD5Hash;
  33       unsigned long Size;
  34       string Path;
  35       string Type;
  36    };
  37
  38    // Abstract parser for each source record
  39    class Parser
  40    {
  41       protected:
  42
  43       const pkgIndexFile *iIndex;
  44
  45       public:
  46
  47       enum BuildDep {BuildDepend=0x0,BuildDependIndep=0x1,
  48                      BuildConflict=0x2,BuildConflictIndep=0x3};
  49
  50       struct BuildDepRec
  51       {
  52          string Package;
  53          string Version;
  54          unsigned int Op;
  55          unsigned char Type;
  56       };
  57
  58       inline const pkgIndexFile &Index() const {return *iIndex;};
  59
  60       virtual bool Restart() = 0;
  61       virtual bool Step() = 0;
  62       virtual bool Jump(unsigned long Off) = 0;
  63       virtual unsigned long Offset() = 0;
  64       virtual string AsStr() = 0;
  65
  66       virtual string Package() const = 0;
  67       virtual string Version() const = 0;
  68       virtual string Maintainer() const = 0;
  69       virtual string Section() const = 0;
  70       virtual const char **Binaries() = 0;   // Ownership does not transfer
  71
  72       virtual bool BuildDepends(vector<BuildDepRec> &BuildDeps, bool ArchOnly) = 0;
  73       static const char *BuildDepType(unsigned char Type);
  74
  75       virtual bool Files(vector<pkgSrcRecords::File> &F) = 0;
  76
  77       Parser(const pkgIndexFile *Index) : iIndex(Index) {};
  78       virtual ~Parser() {};
  79    };
  80
  81    private:
  82
  83    // The list of files and the current parser pointer
  84    vector<Parser*> Files;
  85    vector<Parser *>::iterator Current;
  86
  87    public:
  88
  89    // Reset the search
  90    bool Restart();
  91
  92    // Locate a package by name
  93    Parser *Find(const char *Package,bool SrcOnly = false);
  94
  95    pkgSrcRecords(pkgSourceList &List);
  96    ~pkgSrcRecords();
  97 };
  98
  99 #endif