support compression and by-hash for .diff/Index files

[apt.git] / apt-pkg / metaindex.h

diff --git a/apt-pkg/metaindex.h b/apt-pkg/metaindex.h
index 7c4d0c1aa1a6e0f77f42a97e95ae8774a188c0e6..3a624e86d139c1220834bfa06a5d1fbcb7ce2f04 100644 (file)
--- a/apt-pkg/metaindex.h
+++ b/apt-pkg/metaindex.h
@@ -17,56 +17,100 @@ class OpProgress;
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/srcrecords.h>
 #include <apt-pkg/pkgrecords.h>
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/srcrecords.h>
 #include <apt-pkg/pkgrecords.h>

-#include <apt-pkg/vendor.h>

 using std::string;
 #endif
 
 class pkgAcquire;
 using std::string;
 #endif
 
 class pkgAcquire;

+class IndexTarget;
+class pkgCacheGenerator;
+class OpProgress;

 
 class metaIndex
 {
 
 class metaIndex
 {

-   protected:
+public:
+   APT_IGNORE_DEPRECATED_PUSH
+   struct checkSum
+   {
+      std::string MetaKeyFilename;
+      HashStringList Hashes;
+      unsigned long long Size;
+
+      APT_DEPRECATED_MSG("Use the HashStringList member Hashes instead of a hardcoded HashString") HashString Hash;
+   };
+   APT_IGNORE_DEPRECATED_POP
+
+   enum APT_HIDDEN TriState {
+      TRI_YES, TRI_DONTCARE, TRI_NO, TRI_UNSET
+   };
+private:
+   void * const d;
+protected:

    std::vector <pkgIndexFile *> *Indexes;
    std::vector <pkgIndexFile *> *Indexes;

+   // parsed from the sources.list

    const char *Type;
    std::string URI;
    std::string Dist;
    const char *Type;
    std::string URI;
    std::string Dist;

-   bool Trusted;
+   TriState Trusted;
+   std::string SignedBy;

 
 

-   public:
+   // parsed from a file
+   std::string Suite;
+   std::string Codename;
+   time_t Date;
+   time_t ValidUntil;
+   bool SupportsAcquireByHash;
+   std::map<std::string, checkSum *> Entries;
+   TriState LoadedSuccessfully;

 
 

+public:

    // Various accessors
    // Various accessors

-   virtual std::string GetURI() const {return URI;}
-   virtual std::string GetDist() const {return Dist;}
-   virtual const char* GetType() const {return Type;}
-
-   // interface to to query it
-#if (APT_PKG_MAJOR >= 4 && APT_PKG_MINOR >= 13)
-   // returns the path of the local file (or "" if its not available)
-   virtual std::string LocalFileName() const {return "";};
-#endif
+   std::string GetURI() const;
+   std::string GetDist() const;
+   const char* GetType() const;
+   TriState GetTrusted() const;
+   std::string GetSignedBy() const;
+
+   std::string GetCodename() const;
+   std::string GetSuite() const;
+   bool GetSupportsAcquireByHash() const;
+   time_t GetValidUntil() const;
+   time_t GetDate() const;
+
+   std::string GetExpectedDist() const;
+   bool CheckDist(std::string const &MaybeDist) const;

 
    // Interface for acquire
 
    // Interface for acquire

+   virtual std::string Describe() const;

    virtual std::string ArchiveURI(std::string const& File) const = 0;
    virtual std::string ArchiveURI(std::string const& File) const = 0;

-   virtual bool GetIndexes(pkgAcquire *Owner, bool const &GetAll=false) const = 0;
-   virtual std::vector<pkgIndexFile *> *GetIndexFiles() = 0; 
+   virtual bool GetIndexes(pkgAcquire *Owner, bool const &GetAll=false) = 0;
+   virtual std::vector<IndexTarget> GetIndexTargets() const = 0;
+   virtual std::vector<pkgIndexFile *> *GetIndexFiles() = 0;

    virtual bool IsTrusted() const = 0;
    virtual bool IsTrusted() const = 0;

+   virtual bool Load(std::string const &Filename, std::string * const ErrorText) = 0;
+   /** @return a new metaIndex object based on this one, but without information from #Load */
+   virtual metaIndex * UnloadedClone() const = 0;
+   // the given metaIndex is potentially invalid after this call and should be deleted
+   void swapLoad(metaIndex * const OldMetaIndex);

 
 

-   metaIndex(std::string const &URI, std::string const &Dist, 
-             char const * const Type) 
-      : Indexes(NULL), Type(Type), URI(URI), Dist(Dist), Trusted(false)
-   {
-      /* nothing */
-   }
+   // Lookup functions for parsed Hashes
+   checkSum *Lookup(std::string const &MetaKey) const;
+   /** \brief tests if a checksum for this file is available */
+   bool Exists(std::string const &MetaKey) const;
+   std::vector<std::string> MetaKeys() const;
+   TriState GetLoadedSuccessfully() const;

 
 

-   virtual ~metaIndex() 
-   {
-      if (Indexes == 0)
-        return;
-      for (std::vector<pkgIndexFile *>::iterator I = (*Indexes).begin();
-           I != (*Indexes).end(); ++I)
-        delete *I;
-      delete Indexes;
-   }
+   // Interfaces for pkgCacheGen
+   virtual pkgCache::RlsFileIterator FindInCache(pkgCache &Cache, bool const ModifyCheck) const;
+   virtual bool Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const;
+
+
+   metaIndex(std::string const &URI, std::string const &Dist,
+             char const * const Type);
+   virtual ~metaIndex();
+
+   // FIXME: make virtual on next abi break
+   bool IsArchitectureSupported(std::string const &arch) const;
+   bool IsArchitectureAllSupportedFor(IndexTarget const &target) const;

 };
 
 #endif
 };
 
 #endif