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 9667e1c92f447784eb8846cd08aa488a0c13dcf5..3a624e86d139c1220834bfa06a5d1fbcb7ce2f04 100644 (file)
--- a/apt-pkg/metaindex.h
+++ b/apt-pkg/metaindex.h
@@ -17,7 +17,6 @@ class OpProgress;
 #ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/srcrecords.h>
 #include <apt-pkg/pkgrecords.h>
-#include <apt-pkg/vendor.h>
 using std::string;
 #endif
 
@@ -28,38 +27,90 @@ class OpProgress;
 
 class metaIndex
 {
+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:
+protected:
    std::vector <pkgIndexFile *> *Indexes;
+   // parsed from the sources.list
    const char *Type;
    std::string URI;
    std::string Dist;
+   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
-   virtual std::string GetURI() const {return URI;}
-   virtual std::string GetDist() const {return Dist;}
-   virtual const char* GetType() const {return Type;}
+   std::string GetURI() const;
+   std::string GetDist() const;
+   const char* GetType() const;
+   TriState GetTrusted() const;
+   std::string GetSignedBy() const;
 
-   // interface to to query it
-   /** \return the path of the local file (or "" if its not available) */
-   virtual std::string LocalFileName() 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
+   virtual std::string Describe() const;
    virtual std::string ArchiveURI(std::string const& File) const = 0;
-   virtual bool GetIndexes(pkgAcquire *Owner, bool const &GetAll=false) const = 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 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);
 
-   virtual std::string Describe() const;
+   // 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;
+
+   // 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