Refactor option parsing in cli and test code

Allows cleaning up header includes, also somewhat smaller binaries.

1 files changed, 44 insertions, 0 deletions

diff --git a/src/cli/cli_exceptions.h b/src/cli/cli_exceptions.h
new file mode 100644
index 000000000..ed7be3137
--- /dev/null
+++ b/src/cli/cli_exceptions.h
@@ -0,0 +1,44 @@
+/*
+* (C) 2015 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_CLI_EXCEPTIONS_H_
+#define BOTAN_CLI_EXCEPTIONS_H_
+
+namespace Botan_CLI {
+
+class CLI_Error : public std::runtime_error
+   {
+   public:
+      explicit CLI_Error(const std::string& s) : std::runtime_error(s) {}
+   };
+
+class CLI_IO_Error : public CLI_Error
+   {
+   public:
+      CLI_IO_Error(const std::string& op, const std::string& who) :
+         CLI_Error("Error " + op + " " + who) {}
+   };
+
+class CLI_Usage_Error : public CLI_Error
+   {
+   public:
+      explicit CLI_Usage_Error(const std::string& what) : CLI_Error(what) {}
+   };
+
+/* Thrown eg when a requested feature was compiled out of the library
+   or is not available, eg hashing with
+*/
+class CLI_Error_Unsupported : public CLI_Error
+   {
+   public:
+      CLI_Error_Unsupported(const std::string& what,
+                            const std::string& who)
+         : CLI_Error(what + " with '" + who + "' unsupported or not available") {}
+   };
+
+}
+
+#endif