From f9665896e3deb6c449c764ba8b30f700abe36cd5 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Tue, 20 Oct 2015 03:11:50 +0300
Subject: cxx: implement "boxes"

---
 utils/file_cmd_parser.hpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'utils/file_cmd_parser.hpp')

diff --git a/utils/file_cmd_parser.hpp b/utils/file_cmd_parser.hpp
index f20d80f..78162a6 100644
--- a/utils/file_cmd_parser.hpp
+++ b/utils/file_cmd_parser.hpp
@@ -12,6 +12,7 @@
 
 #include <aesnixx/all.hpp>
 
+#include <boost/config.hpp>
 #include <boost/program_options.hpp>
 
 #include <ostream>
@@ -20,6 +21,30 @@
 
 namespace
 {
+    BOOST_NORETURN inline void throw_key_required()
+    {
+        throw boost::program_options::error(
+            "a key is required but not specified");
+    }
+
+    BOOST_NORETURN inline void throw_iv_required()
+    {
+        throw boost::program_options::error(
+            "initialization vector is required for the selected mode of operation");
+    }
+
+    BOOST_NORETURN inline void throw_src_path_required()
+    {
+        throw boost::program_options::error(
+            "please, specify source file path");
+    }
+
+    BOOST_NORETURN inline void throw_dest_path_required()
+    {
+        throw boost::program_options::error(
+            "please, specify destination file path");
+    }
+
     class CommandLineParser
     {
     public:
-- 
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