#include <fstream>
using namespace std;
#include <dxexcep.h>

using namespace KException;

namespace KException
{
	KDxException:: KDxException()
	{
		err_code		= -1;

		err_string		= "";
		err_description = "";
		
		err_filename	= "";
		err_line		= 0;
		err_funcname	= "";

		err_msg			= "";
	}

	KDxException:: KDxException(const KDxException& e)
	{
		err_code		= e.err_code;

		err_string		= e.err_string;
		err_description = e.err_description;
		err_filename	= e.err_filename;
		
		err_line		= e.err_line;

		err_funcname	= e.err_funcname;
		err_msg			= e.err_msg;
	}

	KDxException:: ~KDxException()
	{
	}

	void KDxException:: ConstructErrorMsg(void)
	{
		//create a string containing the complete error
		//information
		stringstream sstream_error_info;

		sstream_error_info << " " << err_code << ":" << err_string << endl\
						   << " Description: " << err_description << endl\
						   << " File: " << err_filename << endl\
						   << " Function: " << err_funcname << endl\
						   << " Line: " << err_line << endl;
		
		err_msg = sstream_error_info.str();
	}

	void KDxException:: DisplayErrorMsg(void)
	{
		//copy the c++ string into a TCHAR array
		//before passing it to the WinAPI function
		//to display the msg
		int msg_len = err_msg.length();
		int i;
		TCHAR * temp = new TCHAR[msg_len];
		for(i=0; i<msg_len; i++)
		{
			temp[i]=err_msg[i];
		}
		temp[i]='\0';

		MessageBox(0, temp, L"DirectX Exception", MB_OK | MB_ICONERROR);
	}

	void KDxException:: WriteErrorMsg(void)
	{
		ofstream stream(DX_LOG_FILE_NAME, ios::out);
		stream << err_msg;
		stream.close();
	}

} // namespce KException.