refactor FileFd to hide some #ifdefs

[apt.git] / apt-pkg / contrib / hashes.h

diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index b206eccb81ff1cc1d786565a28f4b63f96251872..5cd1af03bb562c9e69ee648b3bb56396bbc77650 100644 (file)
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -18,15 +18,21 @@
 #include <apt-pkg/sha1.h>
 #include <apt-pkg/sha2.h>
 
-#include <algorithm>
-#include <vector>
 #include <cstring>
-
+#include <string>
 
 #ifndef APT_8_CLEANER_HEADERS
 using std::min;
 using std::vector;
 #endif
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/fileutl.h>
+#include <algorithm>
+#include <vector>
+#endif
+
+
+class FileFd;
 
 // helper class that contains hash function name
 // and hash
@@ -35,7 +41,10 @@ class HashString
  protected:
    std::string Type;
    std::string Hash;
-   static const char * _SupportedHashes[10];
+   static const char* _SupportedHashes[10];
+
+   // internal helper
+   std::string GetHashForFile(std::string filename) const;
 
  public:
    HashString(std::string Type, std::string Hash);
@@ -48,12 +57,16 @@ class HashString
    // verify the given filename against the currently loaded hash
    bool VerifyFile(std::string filename) const;
 
+   // generate a hash string from the given filename
+   bool FromFile(std::string filename);
+
+
    // helper
    std::string toStr() const;                    // convert to str as "type:hash"
    bool empty() const;
 
    // return the list of hashes we support
-   static const char** SupportedHashes();
+   static APT_CONST const char** SupportedHashes();
 };
 
 class Hashes
@@ -69,11 +82,15 @@ class Hashes
    {
       return MD5.Add(Data,Size) && SHA1.Add(Data,Size) && SHA256.Add(Data,Size) && SHA512.Add(Data,Size);
    };
-   inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
+   inline bool Add(const char *Data) {return Add((unsigned char const *)Data,strlen(Data));};
    inline bool AddFD(int const Fd,unsigned long long Size = 0)
    { return AddFD(Fd, Size, true, true, true, true); };
    bool AddFD(int const Fd, unsigned long long Size, bool const addMD5,
              bool const addSHA1, bool const addSHA256, bool const addSHA512);
+   inline bool AddFD(FileFd &Fd,unsigned long long Size = 0)
+   { return AddFD(Fd, Size, true, true, true, true); };
+   bool AddFD(FileFd &Fd, unsigned long long Size, bool const addMD5,
+             bool const addSHA1, bool const addSHA256, bool const addSHA512);
    inline bool Add(const unsigned char *Beg,const unsigned char *End) 
                   {return Add(Beg,End-Beg);};
 };