| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: pkgrecords.cc,v 1.3 1998/10/20 02:39:23 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 | #include <apt-pkg/configuration.h> |
| 19 | /*}}}*/ |
| 20 | |
| 21 | // Records::pkgRecords - Constructor /*{{{*/ |
| 22 | // --------------------------------------------------------------------- |
| 23 | /* This will create the necessary structures to access the status files */ |
| 24 | pkgRecords::pkgRecords(pkgCache &Cache) : Cache(Cache), Files(0) |
| 25 | { |
| 26 | string ListDir = _config->FindFile("Dir::State::lists"); |
| 27 | |
| 28 | Files = new PkgFile[Cache.HeaderP->PackageFileCount]; |
| 29 | for (pkgCache::PkgFileIterator I = Cache.FileBegin(); |
| 30 | I.end() == false; I++) |
| 31 | { |
| 32 | // We can not initialize if the cache is out of sync. |
| 33 | if (I.IsOk() == false) |
| 34 | { |
| 35 | _error->Error("Package file %s is out of sync.",I.FileName()); |
| 36 | return; |
| 37 | } |
| 38 | |
| 39 | // Create the file |
| 40 | Files[I->ID].File = new FileFd(ListDir + I.FileName(),FileFd::ReadOnly); |
| 41 | if (_error->PendingError() == true) |
| 42 | return; |
| 43 | |
| 44 | // Create the parser |
| 45 | Files[I->ID].Parse = new debRecordParser(*Files[I->ID].File); |
| 46 | if (_error->PendingError() == true) |
| 47 | return; |
| 48 | } |
| 49 | } |
| 50 | /*}}}*/ |
| 51 | // Records::~pkgRecords - Destructor /*{{{*/ |
| 52 | // --------------------------------------------------------------------- |
| 53 | /* */ |
| 54 | pkgRecords::~pkgRecords() |
| 55 | { |
| 56 | delete [] Files; |
| 57 | } |
| 58 | /*}}}*/ |
| 59 | // Records::Lookup - Get a parser for the package version file /*{{{*/ |
| 60 | // --------------------------------------------------------------------- |
| 61 | /* */ |
| 62 | pkgRecords::Parser &pkgRecords::Lookup(pkgCache::VerFileIterator &Ver) |
| 63 | { |
| 64 | PkgFile &File = Files[Ver.File()->ID]; |
| 65 | File.Parse->Jump(Ver); |
| 66 | |
| 67 | return *File.Parse; |
| 68 | } |
| 69 | /*}}}*/ |
| 70 | // Records::Pkgfile::~PkgFile - Destructor /*{{{*/ |
| 71 | // --------------------------------------------------------------------- |
| 72 | /* */ |
| 73 | pkgRecords::PkgFile::~PkgFile() |
| 74 | { |
| 75 | delete Parse; |
| 76 | delete File; |
| 77 | } |
| 78 | /*}}}*/ |