From ff1e835d888a2783e59efc30fa125bfaf7d150fe Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Wed, 12 Nov 2008 18:11:50 +0000
Subject: Remove support for provider identifiers from SCAN_Name - it turns out
 this was not the right place to keep track of this information. Also modify
 all Algorithm_Factory constructor functions to take instead of a SCAN_Name a
 pair of std::strings - the SCAN name and an optional provider name. If a
 provider is specified, either that provider will be used or the request will
 fail. Otherwise, the library will attempt best effort, based on user-set
 algorithm implementation settings (combine with benchmark.h for choosing the
 fastest implementation at runtime) or if not set, a static ordering (preset
 in static_provider_weight in prov_weight.cpp, though it would be nice to make
 this easier to toggle).

---
 src/utils/scan_name.cpp | 14 ++------------
 src/utils/scan_name.h   | 28 +++-------------------------
 2 files changed, 5 insertions(+), 37 deletions(-)

(limited to 'src/utils')

diff --git a/src/utils/scan_name.cpp b/src/utils/scan_name.cpp
index f5a1a9245..c0e931e14 100644
--- a/src/utils/scan_name.cpp
+++ b/src/utils/scan_name.cpp
@@ -40,11 +40,9 @@ parse_and_deref_aliases(const std::string& algo_spec)
 
 }
 
-SCAN_Name::SCAN_Name(const std::string& algo_spec,
-                     const std::string& provider)
+SCAN_Name::SCAN_Name(const std::string& algo_spec)
    {
    orig_algo_spec = algo_spec;
-   m_provider = provider;
 
    name = parse_and_deref_aliases(algo_spec);
 
@@ -52,15 +50,7 @@ SCAN_Name::SCAN_Name(const std::string& algo_spec,
       throw Decoding_Error("Bad SCAN name " + algo_spec);
    }
 
-SCAN_Name SCAN_Name::arg(u32bit i) const
-   {
-   if(i > arg_count())
-      throw std::range_error("SCAN_Name::argument");
-
-   return SCAN_Name(name[i+1], m_provider);
-   }
-
-std::string SCAN_Name::arg_as_string(u32bit i) const
+std::string SCAN_Name::arg(u32bit i) const
    {
    if(i > arg_count())
       throw std::range_error("SCAN_Name::argument");
diff --git a/src/utils/scan_name.h b/src/utils/scan_name.h
index b01411c94..4e391c37d 100644
--- a/src/utils/scan_name.h
+++ b/src/utils/scan_name.h
@@ -22,21 +22,14 @@ class SCAN_Name
    public:
       /**
       @param algo_spec A SCAN name
-      @param providers An optional provider name
       */
-      SCAN_Name(const std::string& algo_spec,
-                const std::string& providers = "");
+      SCAN_Name(const std::string& algo_spec);
 
       /**
       @return the original input string
       */
       std::string as_string() const { return orig_algo_spec; }
 
-      /**
-      @return the provider name (or empty)
-      */
-      std::string provider() const { return m_provider; }
-
       /**
       @return the algorithm name
       */
@@ -47,15 +40,6 @@ class SCAN_Name
       */
       u32bit arg_count() const { return name.size() - 1; }
 
-      /**
-      @param provider a provider name
-      @returns if this provider was allowed by the request
-      */
-      bool provider_allowed(const std::string& provider) const
-         {
-         return (m_provider == "" || m_provider == provider);
-         }
-
       /**
       @return if the number of arguments is between lower and upper
       */
@@ -66,13 +50,7 @@ class SCAN_Name
       @param i which argument
       @return the ith argument
       */
-      std::string arg_as_string(u32bit i) const;
-
-      /**
-      @param i which argument
-      @return the ith argument
-      */
-      SCAN_Name arg(u32bit i) const;
+      std::string arg(u32bit i) const;
 
       /**
       @param i which argument
@@ -80,7 +58,7 @@ class SCAN_Name
       */
       u32bit arg_as_u32bit(u32bit i, u32bit def_value) const;
    private:
-      std::string orig_algo_spec, m_provider;
+      std::string orig_algo_spec;
       std::vector<std::string> name;
    };
 
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