Package Record parser

Author: jgg
Date: 1998-08-09 00:51:33 GMT
Package Record parser

1 files changed, 65 insertions, 0 deletions

diff --git a/apt-pkg/pkgrecords.cc b/apt-pkg/pkgrecords.cc
new file mode 100644
index 000000000..b3105da44
--- /dev/null
+++ b/apt-pkg/pkgrecords.cc
@@ -0,0 +1,65 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+// $Id: pkgrecords.cc,v 1.1 1998/08/09 00:51:35 jgg Exp $
+/* ######################################################################
+   
+   Package Records - Allows access to complete package description records
+                     directly from the file.
+     
+   ##################################################################### */
+									/*}}}*/
+// Include Files							/*{{{*/
+#ifdef __GNUG__
+#pragma implementation "apt-pkg/pkgrecords.h"
+#endif
+#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/debrecords.h>
+#include <apt-pkg/error.h>
+									/*}}}*/
+
+// Records::pkgRecords - Constructor					/*{{{*/
+// ---------------------------------------------------------------------
+/* This will create the necessary structures to access the status files */
+pkgRecords::pkgRecords(pkgCache &Cache) : Cache(Cache), Files(0)
+{
+   Files = new PkgFile[Cache.HeaderP->PackageFileCount];   
+   for (pkgCache::PkgFileIterator I = Cache.FileBegin(); 
+	I.end() == false; I++)
+   {
+      Files[I->ID].File = new FileFd(I.FileName(),FileFd::ReadOnly);
+      if (_error->PendingError() == true)
+	 return;
+      Files[I->ID].Parse = new debRecordParser(*Files[I->ID].File);
+      if (_error->PendingError() == true)
+	 return;
+   }   
+}
+									/*}}}*/
+// Records::~pkgRecords - Destructor					/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgRecords::~pkgRecords()
+{
+   delete [] Files;
+}
+									/*}}}*/
+// Records::Lookup - Get a parser for the package version file		/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgRecords::Parser &pkgRecords::Lookup(pkgCache::VerFileIterator &Ver)
+{   
+   PkgFile &File = Files[Ver.File()->ID];
+   File.Parse->Jump(Ver);
+
+   return *File.Parse;
+}
+									/*}}}*/
+// Records::Pkgfile::~PkgFile - Destructor				/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgRecords::PkgFile::~PkgFile()
+{
+   delete Parse;
+   delete File;
+}
+									/*}}}*/