Add a class that encapsulates the options given at initialization time

1 files changed, 76 insertions, 0 deletions

diff --git a/src/init_opt.cpp b/src/init_opt.cpp
new file mode 100644
index 000000000..25eabf4f0
--- /dev/null
+++ b/src/init_opt.cpp
@@ -0,0 +1,76 @@
+/*************************************************
+* Initialization Options Source File             *
+* (C) 1999-2006 The Botan Project                *
+*************************************************/
+
+#include <botan/init.h>
+#include <botan/parsing.h>
+
+namespace Botan {
+
+namespace Init {
+
+/*************************************************
+* Check for an arbitrary boolean-valued option   *
+*************************************************/
+bool InitializerOptions::boolean_arg(const std::string& option_name) const
+   {
+   return (args.find(option_name) != args.end());
+   }
+
+/*************************************************
+* Check if thread safety was requested           *
+*************************************************/
+bool InitializerOptions::thread_safe() const
+   {
+   return boolean_arg("thread_safe");
+   }
+
+/*************************************************
+* Check if using engines was requested           *
+*************************************************/
+bool InitializerOptions::use_engines() const
+   {
+   return boolean_arg("use_engines");
+   }
+
+/*************************************************
+* Check if RNG seeding should be disabled        *
+*************************************************/
+bool InitializerOptions::seed_rng() const
+   {
+   return !boolean_arg("no_rng_seed");
+   }
+
+/*************************************************
+* Return the config file to load, if any         *
+*************************************************/
+std::string InitializerOptions::config_file() const
+   {
+   std::map<std::string, std::string>::const_iterator i =
+      args.find("config");
+
+   return (i != args.end()) ? i->second : "";
+   }
+
+/*************************************************
+* Setup an InitializerOptions                    *
+*************************************************/
+InitializerOptions::InitializerOptions(const std::string& arg_string)
+   {
+   std::vector<std::string> arg_list = split_on(arg_string, ' ');
+   for(u32bit j = 0; j != arg_list.size(); ++j)
+      {
+      if(arg_list[j].find('=') == std::string::npos)
+         args[arg_list[j]] = "";
+      else
+         {
+         std::vector<std::string> name_and_value = split_on(arg_list[j], '=');
+         args[name_and_value[0]] = name_and_value[1];
+         }
+      }
+   }
+
+}
+
+}