apt-pkg/srcrecords.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: srcrecords.h,v 1.2 1999/04/04 08:07:39 jgg 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 <apt-pkg/fileutl.h>
  21 #include <apt-pkg/sourcelist.h>
  22
  23 class pkgSrcRecords
  24 {
  25    public:
  26
  27    // Describes a single file
  28    struct File
  29    {
  30       string MD5Hash;
  31       unsigned long Size;
  32       string Path;
  33    };
  34
  35    // Abstract parser for each source record
  36    class Parser
  37    {
  38       FileFd *File;
  39
  40       public:
  41
  42       virtual bool Restart() = 0;
  43       virtual bool Step() = 0;
  44       virtual bool Jump(unsigned long Off) = 0;
  45       virtual unsigned long Offset() = 0;
  46
  47       virtual string Package() = 0;
  48       virtual string Version() = 0;
  49       virtual string Maintainer() = 0;
  50       virtual string Section() = 0;
  51       virtual const char **Binaries() = 0;
  52       virtual bool Files(vector<File> &F) = 0;
  53
  54       Parser(FileFd *File) : File(File) {};
  55       virtual ~Parser() {delete File;};
  56    };
  57
  58    private:
  59
  60    // The list of files and the current parser pointer
  61    Parser **Files;
  62    Parser **Current;
  63
  64    public:
  65
  66    // Reset the search
  67    bool Restart();
  68
  69    // Locate a package by name
  70    Parser *Find(const char *Package,bool SrcOnly = false);
  71
  72    pkgSrcRecords(pkgSourceList &List);
  73    ~pkgSrcRecords();
  74 };
  75
  76
  77 #endif