utils/cxx/ -> cxx/

1 files changed, 47 insertions, 0 deletions

diff --git a/cxx/include/aesnixx/error.hpp b/cxx/include/aesnixx/error.hpp
new file mode 100644
index 0000000..dd908c5
--- /dev/null
+++ b/cxx/include/aesnixx/error.hpp
@@ -0,0 +1,47 @@
+/**
+ * \file
+ * \author Egor Tensin <Egor.Tensin@gmail.com>
+ * \date 2015
+ * \copyright This file is licensed under the terms of the MIT License.
+ *            See LICENSE.txt for details.
+ */
+
+#pragma once
+
+#include <aesni/all.h>
+
+#include <cstdlib>
+
+#include <stdexcept>
+#include <string>
+#include <vector>
+
+namespace aesni
+{
+    class ErrorDetailsThrowsInDestructor
+    {
+    public:
+        ErrorDetailsThrowsInDestructor()
+        {
+            aesni_initialize_error_details(get());
+        }
+
+        ~ErrorDetailsThrowsInDestructor()
+        {
+            if (aesni_is_error(aesni_get_error_code(get())))
+            {
+                std::vector<char> msg;
+                msg.resize(aesni_format_error(get(), NULL, 0));
+                aesni_format_error(get(), msg.data(), msg.size());
+                throw std::runtime_error(std::string(msg.begin(), msg.end()));
+            }
+        }
+
+        AesNI_ErrorDetails* get() { return &m_impl; }
+
+        operator AesNI_ErrorDetails*() { return get(); }
+
+    private:
+        AesNI_ErrorDetails m_impl;
+    };
+}