1 files changed, 76 insertions, 0 deletions
diff --git a/botan/src/libstate/oid_lookup/oids.cpp b/botan/src/libstate/oid_lookup/oids.cpp
new file mode 100644
index 0000000..232c633
--- /dev/null
+++ b/botan/src/libstate/oid_lookup/oids.cpp
@@ -0,0 +1,76 @@
+/*
+* OID Registry
+* (C) 1999-2008 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#include <botan/oids.h>
+#include <botan/libstate.h>
+
+namespace Botan {
+
+namespace OIDS {
+
+/*
+* Register an OID to string mapping
+*/
+void add_oid(const OID& oid, const std::string& name)
+   {
+   const std::string oid_str = oid.as_string();
+
+   if(!global_state().is_set("oid2str", oid_str))
+      global_state().set("oid2str", oid_str, name);
+   if(!global_state().is_set("str2oid", name))
+      global_state().set("str2oid", name, oid_str);
+   }
+
+/*
+* Do an OID to string lookup
+*/
+std::string lookup(const OID& oid)
+   {
+   std::string name = global_state().get("oid2str", oid.as_string());
+   if(name == "")
+      return oid.as_string();
+   return name;
+   }
+
+/*
+* Do a string to OID lookup
+*/
+OID lookup(const std::string& name)
+   {
+   std::string value = global_state().get("str2oid", name);
+   if(value != "")
+      return OID(value);
+
+   try
+      {
+      return OID(name);
+      }
+   catch(Exception)
+      {
+      throw Lookup_Error("No object identifier found for " + name);
+      }
+   }
+
+/*
+* Check to see if an OID exists in the table
+*/
+bool have_oid(const std::string& name)
+   {
+   return global_state().is_set("str2oid", name);
+   }
+
+/*
+* Check to see if an OID exists in the table
+*/
+bool name_of(const OID& oid, const std::string& name)
+   {
+   return (oid == lookup(name));
+   }
+
+}
+
+}