- change an array to vector for code readability + safety (Ralf Corsepius)
[apt.git] / apt-pkg / pkgrecords.cc
1 // -*- mode: cpp; mode: fold -*-
2 // Description                                                          /*{{{*/
3 // $Id: pkgrecords.cc,v 1.8 2003/09/02 04:52:16 mdz 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/indexfile.h>
17 #include <apt-pkg/error.h>
18 #include <apt-pkg/configuration.h>
19     
20 #include <apti18n.h>   
21                                                                         /*}}}*/
22 using namespace std;
23
24 // Records::pkgRecords - Constructor                                    /*{{{*/
25 // ---------------------------------------------------------------------
26 /* This will create the necessary structures to access the status files */
27 pkgRecords::pkgRecords(pkgCache &Cache) : Cache(Cache), 
28   Files(Cache.HeaderP->PackageFileCount)
29 {
30 //   Files = new Parser *[Cache.HeaderP->PackageFileCount];
31 //   memset(Files,0,sizeof(*Files)*Cache.HeaderP->PackageFileCount);
32    
33    for (pkgCache::PkgFileIterator I = Cache.FileBegin(); 
34         I.end() == false; I++)
35    {
36       const pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(I.IndexType());
37       if (Type == 0)
38       {
39          _error->Error(_("Index file type '%s' is not supported"),I.IndexType());
40          return;
41       }
42
43       Files[I->ID] = Type->CreatePkgParser(I);
44       if (Files[I->ID] == 0)
45          return;
46    }   
47 }
48                                                                         /*}}}*/
49 // Records::~pkgRecords - Destructor                                    /*{{{*/
50 // ---------------------------------------------------------------------
51 /* */
52 pkgRecords::~pkgRecords()
53 {
54    for ( vector<Parser*>::iterator it = Files.begin();
55      it != Files.end();
56      ++it)
57    {
58       delete *it;
59    }
60 }
61                                                                         /*}}}*/
62 // Records::Lookup - Get a parser for the package version file          /*{{{*/
63 // ---------------------------------------------------------------------
64 /* */
65 pkgRecords::Parser &pkgRecords::Lookup(pkgCache::VerFileIterator const &Ver)
66 {
67    Files[Ver.File()->ID]->Jump(Ver);
68    return *Files[Ver.File()->ID];
69 }
70                                                                         /*}}}*/