Move CD-ROM handling backend into libapt-pkg

    - apt-cdrom.cc seperated into frontend (cmdline/apt-cdrom.cc and library
      apt-pkg/cdrom.{cc,h}) (Ubuntu #5668)

Patches applied:

 * michael.vogt@ubuntu.com--2005/apt--auth-cdrom--0--base-0
   tag of apt@packages.debian.org/apt--main--0--patch-51

 * michael.vogt@ubuntu.com--2005/apt--auth-cdrom--0--patch-1
   * added support for signed cdroms 

 * michael.vogt@ubuntu.com--2005/apt--auth-cdrom--0--patch-2
   * merged with apt--main, seperated cmdline/apt-cdrom.cc into a library (apt-pkg/cdrom.{cc,h})

 * michael.vogt@ubuntu.com--2005/apt--auth-cdrom--0--patch-3
   * cleaned up the cmdline/apt-cdrom.cc code

1 files changed, 83 insertions, 0 deletions

diff --git a/apt-pkg/indexcopy.h b/apt-pkg/indexcopy.h
new file mode 100644
index 000000000..fa8e9c156
--- /dev/null
+++ b/apt-pkg/indexcopy.h
@@ -0,0 +1,83 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+// $Id: indexcopy.h,v 1.3 2001/05/27 04:46:54 jgg Exp $
+/* ######################################################################
+
+   Index Copying - Aid for copying and verifying the index files
+   
+   ##################################################################### */
+									/*}}}*/
+#ifndef INDEXCOPY_H
+#define INDEXCOPY_H
+
+#include <vector>
+#include <string>
+#include <stdio.h>
+
+using std::string;
+using std::vector;
+
+class pkgTagSection;
+class FileFd;
+class indexRecords;
+class pkgCdromStatus;
+
+class IndexCopy
+{
+   protected:
+   
+   pkgTagSection *Section;
+   
+   string ChopDirs(string Path,unsigned int Depth);
+   bool ReconstructPrefix(string &Prefix,string OrigPath,string CD,
+			  string File);
+   bool ReconstructChop(unsigned long &Chop,string Dir,string File);
+   void ConvertToSourceList(string CD,string &Path);
+   bool GrabFirst(string Path,string &To,unsigned int Depth);
+   virtual bool GetFile(string &Filename,unsigned long &Size) = 0;
+   virtual bool RewriteEntry(FILE *Target,string File) = 0;
+   virtual const char *GetFileName() = 0;
+   virtual const char *Type() = 0;
+   
+   public:
+
+   bool CopyPackages(string CDROM,string Name,vector<string> &List,
+		     pkgCdromStatus *log);
+};
+
+class PackageCopy : public IndexCopy
+{
+   protected:
+   
+   virtual bool GetFile(string &Filename,unsigned long &Size);
+   virtual bool RewriteEntry(FILE *Target,string File);
+   virtual const char *GetFileName() {return "Packages";};
+   virtual const char *Type() {return "Package";};
+   
+   public:
+};
+
+class SourceCopy : public IndexCopy
+{
+   protected:
+   
+   virtual bool GetFile(string &Filename,unsigned long &Size);
+   virtual bool RewriteEntry(FILE *Target,string File);
+   virtual const char *GetFileName() {return "Sources";};
+   virtual const char *Type() {return "Source";};
+   
+   public:
+};
+
+class SigVerify 
+{
+   bool Verify(string prefix,string file, indexRecords *records);
+   bool CopyMetaIndex(string CDROM, string CDName, 
+		      string prefix, string file);
+
+ public:
+   bool CopyAndVerify(string CDROM,string Name,vector<string> &SigList,
+		      vector<string> PkgList,vector<string> SrcList);
+};
+
+#endif