| 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 | #include<config.h> |
| 13 | |
| 14 | #include <apt-pkg/pkgrecords.h> |
| 15 | #include <apt-pkg/indexfile.h> |
| 16 | #include <apt-pkg/error.h> |
| 17 | #include <apt-pkg/pkgcache.h> |
| 18 | #include <apt-pkg/cacheiterators.h> |
| 19 | |
| 20 | #include <stddef.h> |
| 21 | #include <vector> |
| 22 | |
| 23 | #include <apti18n.h> |
| 24 | /*}}}*/ |
| 25 | |
| 26 | // Records::pkgRecords - Constructor /*{{{*/ |
| 27 | // --------------------------------------------------------------------- |
| 28 | /* This will create the necessary structures to access the status files */ |
| 29 | pkgRecords::pkgRecords(pkgCache &Cache) : d(NULL), Cache(Cache), |
| 30 | Files(Cache.HeaderP->PackageFileCount) |
| 31 | { |
| 32 | for (pkgCache::PkgFileIterator I = Cache.FileBegin(); |
| 33 | I.end() == false; ++I) |
| 34 | { |
| 35 | const pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(I.IndexType()); |
| 36 | if (Type == 0) |
| 37 | { |
| 38 | _error->Error(_("Index file type '%s' is not supported"),I.IndexType()); |
| 39 | return; |
| 40 | } |
| 41 | |
| 42 | Files[I->ID] = Type->CreatePkgParser(I); |
| 43 | if (Files[I->ID] == 0) |
| 44 | return; |
| 45 | } |
| 46 | } |
| 47 | /*}}}*/ |
| 48 | // Records::~pkgRecords - Destructor /*{{{*/ |
| 49 | // --------------------------------------------------------------------- |
| 50 | /* */ |
| 51 | pkgRecords::~pkgRecords() |
| 52 | { |
| 53 | for ( std::vector<Parser*>::iterator it = Files.begin(); |
| 54 | it != Files.end(); |
| 55 | ++it) |
| 56 | { |
| 57 | delete *it; |
| 58 | } |
| 59 | } |
| 60 | /*}}}*/ |
| 61 | // Records::Lookup - Get a parser for the package version file /*{{{*/ |
| 62 | // --------------------------------------------------------------------- |
| 63 | /* */ |
| 64 | pkgRecords::Parser &pkgRecords::Lookup(pkgCache::VerFileIterator const &Ver) |
| 65 | { |
| 66 | Files[Ver.File()->ID]->Jump(Ver); |
| 67 | return *Files[Ver.File()->ID]; |
| 68 | } |
| 69 | /*}}}*/ |
| 70 | // Records::Lookup - Get a parser for the package description file /*{{{*/ |
| 71 | // --------------------------------------------------------------------- |
| 72 | /* */ |
| 73 | pkgRecords::Parser &pkgRecords::Lookup(pkgCache::DescFileIterator const &Desc) |
| 74 | { |
| 75 | Files[Desc.File()->ID]->Jump(Desc); |
| 76 | return *Files[Desc.File()->ID]; |
| 77 | } |
| 78 | /*}}}*/ |