1 files changed, 151 insertions, 0 deletions
diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc
new file mode 100644
index 000000000..c4b8a8235
--- /dev/null
+++ b/apt-pkg/indexrecords.cc
@@ -0,0 +1,151 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+// $Id: indexrecords.cc,v 1.1.2.4 2003/12/30 02:11:43 mdz Exp $
+									/*}}}*/
+// Include Files							/*{{{*/
+#ifdef __GNUG__
+#pragma implementation "apt-pkg/indexrecords.h"
+#endif
+#include <apt-pkg/indexrecords.h>
+#include <apt-pkg/tagfile.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/strutl.h>
+#include <apti18n.h>
+#include <sys/stat.h>
+
+string indexRecords::GetDist() const
+{
+   return this->Dist;
+}
+
+bool indexRecords::CheckDist(const string MaybeDist) const
+{
+   return (this->Dist == MaybeDist
+	   || this->Suite == MaybeDist);
+}
+
+string indexRecords::GetExpectedDist() const
+{
+   return this->ExpectedDist;
+}
+
+const indexRecords::checkSum *indexRecords::Lookup(const string MetaKey)
+{
+   return Entries[MetaKey];
+}
+
+bool indexRecords::Load(const string Filename)
+{
+   FileFd Fd(Filename, FileFd::ReadOnly);
+   pkgTagFile TagFile(&Fd, Fd.Size() + 256); // XXX
+   if (_error->PendingError() == true)
+   {
+      ErrorText = _(("Unable to parse Release file " + Filename).c_str());
+      return false;
+   }
+
+   pkgTagSection Section;
+   if (TagFile.Step(Section) == false)
+   {
+      ErrorText = _(("No sections in Release file " + Filename).c_str());
+      return false;
+   }
+
+   const char *Start, *End;
+   Section.Get (Start, End, 0);
+   Suite = Section.FindS("Suite");
+   Dist = Section.FindS("Codename");
+//    if (Dist.empty())
+//    {
+//       ErrorText = _(("No Codename entry in Release file " + Filename).c_str());
+//       return false;
+//    }
+   if (!Section.Find("MD5Sum", Start, End))
+   {
+      ErrorText = _(("No MD5Sum entry in Release file " + Filename).c_str());
+      return false;
+   }
+   string Name;
+   string MD5Hash;
+   size_t Size;
+   while (Start < End)
+   {
+      if (!parseSumData(Start, End, Name, MD5Hash, Size))
+	 return false;
+      indexRecords::checkSum *Sum = new indexRecords::checkSum;
+      Sum->MetaKeyFilename = Name;
+      Sum->MD5Hash = MD5Hash;
+      Sum->Size = Size;
+      Entries[Name] = Sum;
+   }
+   
+   string Strdate = Section.FindS("Date"); // FIXME: verify this somehow?
+   return true;
+}
+
+bool indexRecords::parseSumData(const char *&Start, const char *End,
+				   string &Name, string &Hash, size_t &Size)
+{
+   Name = "";
+   Hash = "";
+   Size = 0;
+   /* Skip over the first blank */
+   while ((*Start == '\t' || *Start == ' ' || *Start == '\n')
+	  && Start < End)
+      Start++;
+   if (Start >= End)
+      return false;
+
+   /* Move EntryEnd to the end of the first entry (the hash) */
+   const char *EntryEnd = Start;
+   while ((*EntryEnd != '\t' && *EntryEnd != ' ')
+	  && EntryEnd < End)
+      EntryEnd++;
+   if (EntryEnd == End)
+      return false;
+
+   Hash.append(Start, EntryEnd-Start);
+
+   /* Skip over intermediate blanks */
+   Start = EntryEnd;
+   while (*Start == '\t' || *Start == ' ')
+      Start++;
+   if (Start >= End)
+      return false;
+   
+   EntryEnd = Start;
+   /* Find the end of the second entry (the size) */
+   while ((*EntryEnd != '\t' && *EntryEnd != ' ' )
+	  && EntryEnd < End)
+      EntryEnd++;
+   if (EntryEnd == End)
+      return false;
+   
+   Size = strtol (Start, NULL, 10);
+      
+   /* Skip over intermediate blanks */
+   Start = EntryEnd;
+   while (*Start == '\t' || *Start == ' ')
+      Start++;
+   if (Start >= End)
+      return false;
+   
+   EntryEnd = Start;
+   /* Find the end of the third entry (the filename) */
+   while ((*EntryEnd != '\t' && *EntryEnd != ' ' && *EntryEnd != '\n')
+	  && EntryEnd < End)
+      EntryEnd++;
+
+   Name.append(Start, EntryEnd-Start);
+   Start = EntryEnd; //prepare for the next round
+   return true;
+}
+
+indexRecords::indexRecords()
+{
+}
+
+indexRecords::indexRecords(const string ExpectedDist) :
+   ExpectedDist(ExpectedDist)
+{
+}