apt-pkg/metaindex.h

   1 #ifndef PKGLIB_METAINDEX_H
   2 #define PKGLIB_METAINDEX_H
   3
   4 #include <apt-pkg/indexfile.h>
   5 #include <apt-pkg/init.h>
   6
   7 #include <stddef.h>
   8
   9 #include <string>
  10 #include <vector>
  11
  12 #ifndef APT_10_CLEANER_HEADERS
  13 #include <apt-pkg/pkgcache.h>
  14 class pkgCacheGenerator;
  15 class OpProgress;
  16 #endif
  17 #ifndef APT_8_CLEANER_HEADERS
  18 #include <apt-pkg/srcrecords.h>
  19 #include <apt-pkg/pkgrecords.h>
  20 #include <apt-pkg/vendor.h>
  21 using std::string;
  22 #endif
  23
  24 class pkgAcquire;
  25 class IndexTarget;
  26 class pkgCacheGenerator;
  27 class OpProgress;
  28
  29 class metaIndex
  30 {
  31 public:
  32    APT_IGNORE_DEPRECATED_PUSH
  33    struct checkSum
  34    {
  35       std::string MetaKeyFilename;
  36       HashStringList Hashes;
  37       unsigned long long Size;
  38
  39       APT_DEPRECATED HashString Hash;
  40    };
  41    APT_IGNORE_DEPRECATED_POP
  42
  43    enum APT_HIDDEN TriState {
  44       TRI_YES, TRI_DONTCARE, TRI_NO, TRI_UNSET
  45    };
  46 private:
  47    void * const d;
  48 protected:
  49    std::vector <pkgIndexFile *> *Indexes;
  50    // parsed from the sources.list
  51    const char *Type;
  52    std::string URI;
  53    std::string Dist;
  54    TriState Trusted;
  55    std::string SignedBy;
  56
  57    // parsed from a file
  58    std::string Suite;
  59    std::string Codename;
  60    time_t Date;
  61    time_t ValidUntil;
  62    bool SupportsAcquireByHash;
  63    std::map<std::string, checkSum *> Entries;
  64    TriState LoadedSuccessfully;
  65
  66 public:
  67    // Various accessors
  68    std::string GetURI() const;
  69    std::string GetDist() const;
  70    const char* GetType() const;
  71    TriState GetTrusted() const;
  72    std::string GetSignedBy() const;
  73
  74    std::string GetCodename() const;
  75    std::string GetSuite() const;
  76    bool GetSupportsAcquireByHash() const;
  77    time_t GetValidUntil() const;
  78    time_t GetDate() const;
  79
  80    std::string GetExpectedDist() const;
  81    bool CheckDist(std::string const &MaybeDist) const;
  82
  83    // Interface for acquire
  84    virtual std::string Describe() const;
  85    virtual std::string ArchiveURI(std::string const& File) const = 0;
  86    virtual bool GetIndexes(pkgAcquire *Owner, bool const &GetAll=false) = 0;
  87    virtual std::vector<IndexTarget> GetIndexTargets() const = 0;
  88    virtual std::vector<pkgIndexFile *> *GetIndexFiles() = 0;
  89    virtual bool IsTrusted() const = 0;
  90    virtual bool Load(std::string const &Filename, std::string * const ErrorText) = 0;
  91    /** @return a new metaIndex object based on this one, but without information from #Load */
  92    virtual metaIndex * UnloadedClone() const = 0;
  93    // the given metaIndex is potentially invalid after this call and should be deleted
  94    void swapLoad(metaIndex * const OldMetaIndex);
  95
  96    // Lookup functions for parsed Hashes
  97    checkSum *Lookup(std::string const &MetaKey) const;
  98    /** \brief tests if a checksum for this file is available */
  99    bool Exists(std::string const &MetaKey) const;
 100    std::vector<std::string> MetaKeys() const;
 101    TriState GetLoadedSuccessfully() const;
 102
 103    // Interfaces for pkgCacheGen
 104    virtual pkgCache::RlsFileIterator FindInCache(pkgCache &Cache, bool const ModifyCheck) const;
 105    virtual bool Merge(pkgCacheGenerator &Gen,OpProgress *Prog) const;
 106
 107
 108    metaIndex(std::string const &URI, std::string const &Dist,
 109              char const * const Type);
 110    virtual ~metaIndex();
 111 };
 112
 113 #endif