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-rw-r--r--apt-pkg/pkgrecords.cc81
1 files changed, 81 insertions, 0 deletions
diff --git a/apt-pkg/pkgrecords.cc b/apt-pkg/pkgrecords.cc
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+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+// $Id: pkgrecords.cc,v 1.8 2003/09/02 04:52:16 mdz Exp $
+/* ######################################################################
+
+ Package Records - Allows access to complete package description records
+ directly from the file.
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include<config.h>
+
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/cacheiterators.h>
+
+#include <stddef.h>
+#include <vector>
+
+#include <apti18n.h>
+ /*}}}*/
+
+// Records::pkgRecords - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* This will create the necessary structures to access the status files */
+pkgRecords::pkgRecords(pkgCache &aCache) : d(NULL), Cache(aCache),
+ Files(Cache.HeaderP->PackageFileCount)
+{
+ for (pkgCache::PkgFileIterator I = Cache.FileBegin();
+ I.end() == false; ++I)
+ {
+ const pkgIndexFile::Type *Type = pkgIndexFile::Type::GetType(I.IndexType());
+ if (Type == 0)
+ {
+ _error->Error(_("Index file type '%s' is not supported"),I.IndexType());
+ return;
+ }
+
+ Files[I->ID] = Type->CreatePkgParser(I);
+ if (Files[I->ID] == 0)
+ return;
+ }
+}
+ /*}}}*/
+// Records::~pkgRecords - Destructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgRecords::~pkgRecords()
+{
+ for ( std::vector<Parser*>::iterator it = Files.begin();
+ it != Files.end();
+ ++it)
+ {
+ delete *it;
+ }
+}
+ /*}}}*/
+// Records::Lookup - Get a parser for the package version file /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgRecords::Parser &pkgRecords::Lookup(pkgCache::VerFileIterator const &Ver)
+{
+ Files[Ver.File()->ID]->Jump(Ver);
+ return *Files[Ver.File()->ID];
+}
+ /*}}}*/
+// Records::Lookup - Get a parser for the package description file /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgRecords::Parser &pkgRecords::Lookup(pkgCache::DescFileIterator const &Desc)
+{
+ Files[Desc.File()->ID]->Jump(Desc);
+ return *Files[Desc.File()->ID];
+}
+ /*}}}*/
+
+pkgRecords::Parser::Parser() : d(NULL) {}
+pkgRecords::Parser::~Parser() {}