apt-pkg/pkgrecords.cc

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: pkgrecords.cc,v 1.1 1998/08/09 00:51:35 jgg Exp $
   4 /* ######################################################################
   5
   6    Package Records - Allows access to complete package description records
   7                      directly from the file.
   8
   9    ##################################################################### */
  10                                                                         /*}}}*/
  11 // Include Files                                                        /*{{{*/
  12 #ifdef __GNUG__
  13 #pragma implementation "apt-pkg/pkgrecords.h"
  14 #endif
  15 #include <apt-pkg/pkgrecords.h>
  16 #include <apt-pkg/debrecords.h>
  17 #include <apt-pkg/error.h>
  18                                                                         /*}}}*/
  19
  20 // Records::pkgRecords - Constructor                                    /*{{{*/
  21 // ---------------------------------------------------------------------
  22 /* This will create the necessary structures to access the status files */
  23 pkgRecords::pkgRecords(pkgCache &Cache) : Cache(Cache), Files(0)
  24 {
  25    Files = new PkgFile[Cache.HeaderP->PackageFileCount];
  26    for (pkgCache::PkgFileIterator I = Cache.FileBegin();
  27         I.end() == false; I++)
  28    {
  29       Files[I->ID].File = new FileFd(I.FileName(),FileFd::ReadOnly);
  30       if (_error->PendingError() == true)
  31          return;
  32       Files[I->ID].Parse = new debRecordParser(*Files[I->ID].File);
  33       if (_error->PendingError() == true)
  34          return;
  35    }
  36 }
  37                                                                         /*}}}*/
  38 // Records::~pkgRecords - Destructor                                    /*{{{*/
  39 // ---------------------------------------------------------------------
  40 /* */
  41 pkgRecords::~pkgRecords()
  42 {
  43    delete [] Files;
  44 }
  45                                                                         /*}}}*/
  46 // Records::Lookup - Get a parser for the package version file          /*{{{*/
  47 // ---------------------------------------------------------------------
  48 /* */
  49 pkgRecords::Parser &pkgRecords::Lookup(pkgCache::VerFileIterator &Ver)
  50 {
  51    PkgFile &File = Files[Ver.File()->ID];
  52    File.Parse->Jump(Ver);
  53
  54    return *File.Parse;
  55 }
  56                                                                         /*}}}*/
  57 // Records::Pkgfile::~PkgFile - Destructor                              /*{{{*/
  58 // ---------------------------------------------------------------------
  59 /* */
  60 pkgRecords::PkgFile::~PkgFile()
  61 {
  62    delete Parse;
  63    delete File;
  64 }
  65                                                                         /*}}}*/