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 #ifdef __GNUG__
  17 #pragma interface "apt-pkg/srcrecords.h"
  18 #endif
  19
  20 #include <string>
  21 #include <vector>
  22
  23 using std::string;
  24 using std::vector;
  25
  26 class pkgSourceList;
  27 class pkgIndexFile;
  28 class pkgSrcRecords
  29 {
  30    public:
  31
  32    // Describes a single file
  33    struct File
  34    {
  35       string MD5Hash;
  36       unsigned long Size;
  37       string Path;
  38       string Type;
  39    };
  40
  41    // Abstract parser for each source record
  42    class Parser
  43    {
  44       protected:
  45
  46       const pkgIndexFile *iIndex;
  47
  48       public:
  49
  50       enum BuildDep {BuildDepend=0x0,BuildDependIndep=0x1,
  51                      BuildConflict=0x2,BuildConflictIndep=0x3};
  52
  53       struct BuildDepRec
  54       {
  55          string Package;
  56          string Version;
  57          unsigned int Op;
  58          unsigned char Type;
  59       };
  60
  61       inline const pkgIndexFile &Index() const {return *iIndex;};
  62
  63       virtual bool Restart() = 0;
  64       virtual bool Step() = 0;
  65       virtual bool Jump(unsigned long Off) = 0;
  66       virtual unsigned long Offset() = 0;
  67       virtual string AsStr() = 0;
  68
  69       virtual string Package() const = 0;
  70       virtual string Version() const = 0;
  71       virtual string Maintainer() const = 0;
  72       virtual string Section() const = 0;
  73       virtual const char **Binaries() = 0;   // Ownership does not transfer
  74
  75       virtual bool BuildDepends(vector<BuildDepRec> &BuildDeps, bool ArchOnly) = 0;
  76       static const char *BuildDepType(unsigned char Type);
  77
  78       virtual bool Files(vector<pkgSrcRecords::File> &F) = 0;
  79
  80       Parser(const pkgIndexFile *Index) : iIndex(Index) {};
  81       virtual ~Parser() {};
  82    };
  83
  84    private:
  85
  86    // The list of files and the current parser pointer
  87    vector<Parser*> Files;
  88    vector<Parser *>::iterator Current;
  89
  90    public:
  91
  92    // Reset the search
  93    bool Restart();
  94
  95    // Locate a package by name
  96    Parser *Find(const char *Package,bool SrcOnly = false);
  97
  98    pkgSrcRecords(pkgSourceList &List);
  99    ~pkgSrcRecords();
 100 };
 101
 102 #endif