systemexception.cpp

来自「功能强大的开源加密软件。使用最新ieee-p1619标准」· C++ 代码 · 共 62 行

/*
 Copyright (c) 2008 TrueCrypt Foundation. All rights reserved.

 Governed by the TrueCrypt License 2.4 the full text of which is contained
 in the file License.txt included in TrueCrypt binary and source code
 distribution packages.
*/

#include <errno.h>
#include <string.h>
#include "Platform/SerializerFactory.h"
#include "Platform/SystemException.h"
#include "Platform/StringConverter.h"

namespace TrueCrypt
{
	SystemException::SystemException (const string &message)
		: Exception (message), ErrorCode (errno)
	{
	}

	SystemException::SystemException (const string &message, const string &subject)
		: Exception (message, StringConverter::ToWide (subject)), ErrorCode (errno)
	{
	}

	SystemException::SystemException (const string &message, const wstring &subject)
		: Exception (message, subject), ErrorCode (errno)
	{
	}
	
	void SystemException::Deserialize (shared_ptr <Stream> stream)
	{
		Exception::Deserialize (stream);
		Serializer sr (stream);
		sr.Deserialize ("ErrorCode", ErrorCode);
	}

	bool SystemException::IsError () const
	{
		return ErrorCode != 0;
	}
	
	void SystemException::Serialize (shared_ptr <Stream> stream) const
	{
		Exception::Serialize (stream);
		Serializer sr (stream);
		sr.Serialize ("ErrorCode", ErrorCode);
	}

	wstring SystemException::SystemText () const
	{
		return StringConverter::ToWide (strerror (ErrorCode));
	}

#define TC_EXCEPTION(TYPE) TC_SERIALIZER_FACTORY_ADD(TYPE)
#undef TC_EXCEPTION_NODECL
#define TC_EXCEPTION_NODECL(TYPE) TC_SERIALIZER_FACTORY_ADD(TYPE)

	TC_SERIALIZER_FACTORY_ADD_EXCEPTION_SET (SystemException);
}