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X11Exception.h
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X11Exception.h
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/*
* C++ exceptions that wraps X11 errors.
*
* Copyright (C) 2008 by Jay Bromley <jbromley@gmail.com>
*
* This file is part of Xkb-switch.
* Xkb-switch is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Xkb-switch is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Xkb-switch. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef X11EXCEPTION
#define X11EXCEPTION
#include <exception>
#include <stdexcept>
#define CHECK_MSG(x,msg) do{ \
if(!(x)) { \
std::ostringstream oss; \
oss << __FILE__ << ":" << __LINE__ << ": Condition " << #x << " failed. " << msg; \
throw std::runtime_error(oss.str()); \
} \
} while(0)
#define CHECK(x) CHECK_MSG(x,"")
class X11Exception : public std::exception
{
public:
X11Exception() : _reason("unknown") {}
X11Exception(const std::string& what) : _reason(what) {}
virtual ~X11Exception() throw () {};
virtual const char* what() const throw () { return _reason.c_str(); }
private:
std::string _reason;
};
#endif