Make MemoisedHashes use DigestRegistry

4 files changed, 14 insertions, 58 deletions

diff --git a/paludis/repositories/e/check_fetched_files_visitor.cc b/paludis/repositories/e/check_fetched_files_visitor.cc
index 94f436569..d80bd4a0b 100644
--- a/paludis/repositories/e/check_fetched_files_visitor.cc
+++ b/paludis/repositories/e/check_fetched_files_visitor.cc
@@ -252,7 +252,7 @@ CheckFetchedFilesVisitor::check_distfile_manifest(const FSPath & distfile)
 
             if (! m->rmd160().empty())
             {
-                std::string rmd160hexsum(hashes->get<RMD160>(distfile, file_stream));
+                std::string rmd160hexsum(hashes->get("RMD160", distfile, file_stream));
 
                 if (rmd160hexsum != m->rmd160())
                 {
@@ -273,7 +273,7 @@ CheckFetchedFilesVisitor::check_distfile_manifest(const FSPath & distfile)
 
             if (! m->sha1().empty())
             {
-                std::string sha1hexsum(hashes->get<SHA1>(distfile, file_stream));
+                std::string sha1hexsum(hashes->get("SHA1", distfile, file_stream));
 
                 if (sha1hexsum != m->sha1())
                 {
@@ -294,7 +294,7 @@ CheckFetchedFilesVisitor::check_distfile_manifest(const FSPath & distfile)
 
             if (! m->sha256().empty())
             {
-                std::string sha256hexsum(hashes->get<SHA256>(distfile, file_stream));
+                std::string sha256hexsum(hashes->get("SHA256", distfile, file_stream));
 
                 if (sha256hexsum != m->sha256())
                 {
@@ -315,7 +315,7 @@ CheckFetchedFilesVisitor::check_distfile_manifest(const FSPath & distfile)
 
             if (! m->md5().empty())
             {
-                std::string md5hexsum(hashes->get<MD5>(distfile, file_stream));
+                std::string md5hexsum(hashes->get("MD5", distfile, file_stream));
 
                 if (md5hexsum != m->md5())
                 {
diff --git a/paludis/repositories/e/e_repository.cc b/paludis/repositories/e/e_repository.cc
index c0ab5ed45..c0f72f83c 100644
--- a/paludis/repositories/e/e_repository.cc
+++ b/paludis/repositories/e/e_repository.cc
@@ -1091,9 +1091,9 @@ ERepository::make_manifest(const QualifiedPackageName & qpn)
 
             manifest << "DIST " << f.basename() << " "
                 << f_stat.file_size()
-                << " RMD160 " << hashes->get<RMD160>(f, file_stream)
-                << " SHA1 " << hashes->get<SHA1>(f, file_stream)
-                << " SHA256 " << hashes->get<SHA256>(f, file_stream)
+                << " RMD160 " << hashes->get("RMD160", f, file_stream)
+                << " SHA1 " << hashes->get("SHA1", f, file_stream)
+                << " SHA256 " << hashes->get("SHA256", f, file_stream)
                 << std::endl;
         }
     }
diff --git a/paludis/repositories/e/memoised_hashes.cc b/paludis/repositories/e/memoised_hashes.cc
index a7215c52f..a72c88fd7 100644
--- a/paludis/repositories/e/memoised_hashes.cc
+++ b/paludis/repositories/e/memoised_hashes.cc
@@ -23,10 +23,7 @@
 #include <paludis/util/pimp-impl.hh>
 #include <paludis/util/singleton-impl.hh>
 #include <paludis/util/safe_ifstream.hh>
-#include <paludis/util/rmd160.hh>
-#include <paludis/util/sha1.hh>
-#include <paludis/util/sha256.hh>
-#include <paludis/util/md5.hh>
+#include <paludis/util/digest_registry.hh>
 #include <paludis/util/timestamp.hh>
 #include <paludis/util/fs_path.hh>
 #include <paludis/util/fs_stat.hh>
@@ -38,7 +35,7 @@ using namespace paludis::erepository;
 
 namespace paludis
 {
-    typedef std::map<std::pair<std::string, int>, std::pair<Timestamp, std::string> > HashesMap;
+    typedef std::map<std::pair<std::string, std::string>, std::pair<Timestamp, std::string> > HashesMap;
 
     template <>
     struct Imp<MemoisedHashes>
@@ -61,45 +58,10 @@ MemoisedHashes::~MemoisedHashes()
 {
 }
 
-namespace
-{
-    template <typename>
-    struct HashIDs;
-
-    template <>
-    struct HashIDs<RMD160>
-    {
-        static const int id;
-    };
-    const int HashIDs<RMD160>::id = 0;
-
-    template <>
-    struct HashIDs<SHA1>
-    {
-        static const int id;
-    };
-    const int HashIDs<SHA1>::id = 1;
-
-    template <>
-    struct HashIDs<SHA256>
-    {
-        static const int id;
-    };
-    const int HashIDs<SHA256>::id = 2;
-
-    template <>
-    struct HashIDs<MD5>
-    {
-        static const int id;
-    };
-    const int HashIDs<MD5>::id = 3;
-}
-
-template <typename H_>
 const std::string
-MemoisedHashes::get(const FSPath & file, SafeIFStream & stream) const
+MemoisedHashes::get(const std::string & algo, const FSPath & file, SafeIFStream & stream) const
 {
-    std::pair<std::string, int> key(stringify(file), HashIDs<H_>::id);
+    std::pair<std::string, std::string> key(stringify(file), algo);
     Timestamp mtime(file.stat().mtim());
 
     Lock l(_imp->mutex);
@@ -108,8 +70,7 @@ MemoisedHashes::get(const FSPath & file, SafeIFStream & stream) const
 
     if (i == _imp->hashes.end() || i->second.first != mtime)
     {
-        H_ hash(stream);
-        std::pair<Timestamp, std::string> value(std::make_pair(mtime, hash.hexsum()));
+        std::pair<Timestamp, std::string> value(std::make_pair(mtime, DigestRegistry::get_instance()->get(algo)(stream)));
         stream.clear();
         stream.seekg(0, std::ios::beg);
 
@@ -122,11 +83,6 @@ MemoisedHashes::get(const FSPath & file, SafeIFStream & stream) const
     return i->second.second;
 }
 
-template const std::string MemoisedHashes::get<RMD160>(const FSPath &, SafeIFStream &) const;
-template const std::string MemoisedHashes::get<SHA1>(const FSPath &, SafeIFStream &) const;
-template const std::string MemoisedHashes::get<SHA256>(const FSPath &, SafeIFStream &) const;
-template const std::string MemoisedHashes::get<MD5>(const FSPath &, SafeIFStream &) const;
-
 namespace paludis
 {
     template class Pimp<MemoisedHashes>;
diff --git a/paludis/repositories/e/memoised_hashes.hh b/paludis/repositories/e/memoised_hashes.hh
index 939d96f39..3b5911752 100644
--- a/paludis/repositories/e/memoised_hashes.hh
+++ b/paludis/repositories/e/memoised_hashes.hh
@@ -24,6 +24,7 @@
 #include <paludis/util/singleton.hh>
 #include <paludis/util/fs_path-fwd.hh>
 #include <paludis/util/safe_ifstream-fwd.hh>
+#include <string>
 
 namespace paludis
 {
@@ -37,8 +38,7 @@ namespace paludis
             public:
                 Pimp<MemoisedHashes> _imp;
 
-                template <typename H_>
-                const std::string get(const FSPath & file, SafeIFStream & stream) const;
+                const std::string get(const std::string & algo, const FSPath & file, SafeIFStream & stream) const;
 
             private:
                 MemoisedHashes();