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/* -*- coding: utf-8 -*-
* This file is part of Pathie.
*
* Copyright © 2015, 2017 Marvin Gülker
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PATHIE_ERRORS_HPP
#define PATHIE_ERRORS_HPP
#include <exception>
#include <string>
#include <cstdlib>
/* DWORD is typedef'ed from unsigned long, see
* <https://msdn.microsoft.com/en-us/library/cc230318.aspx>
* HRESULT is typedef'ed from LONG, which in turn is a typedef
* of long, see <https://msdn.microsoft.com/en-us/library/cc230330.aspx>.
* I spell the types out here in this header to avoid having to
* include windows.h, which might interfer with programmes using
* pathie that want to include windows.h on itself. */
#include "pathie.hpp"
namespace Pathie {
/// Base class for all exceptions in this library.
class PathieError: public std::exception {
public:
PathieError(); ///< Constructs a new instance.
PathieError(std::string message); ///< Contructs a new instance with the given what() message.
virtual ~PathieError() throw();
virtual const char* what() const throw(); ///< The error message.
protected:
std::string m_pathie_errmsg; ///< The error message given in the constructor.
};
/// This exception is thrown when a call to a C/system function results
/// in `errno` being set.
class ErrnoError: public PathieError {
public:
ErrnoError(int val); ///< Constructs a new instance from the given `errno` value.
virtual ~ErrnoError() throw();
inline int get_val(){return m_val;} ///< The `errno` value.
private:
int m_val;
};
#ifdef _WIN32
/// This exception is thrown only on Windows, when a call to the Win32API
/// fails.
/// The "unsigned long" type here is actually DWORD (which is it a
/// typedef of in Win32).
class WindowsError: public PathieError {
public:
WindowsError(unsigned long val); ///< Constructs a new instance from the given GetLastError() value.
virtual ~WindowsError() throw();
inline int get_val(){return m_val;} ///< The GetLastError() value.
private:
unsigned long m_val;
};
/// Similar to WindowsError, this exception is thrown when a HANDLE function
/// from the Win32API fails.
/// The "long" type here is actually HRESULT (which it is a typedef of in Win32).
class WindowsHresultError: public PathieError {
public:
WindowsHresultError(long value); ///< Constructs a new instance from the given handle function result.
virtual ~WindowsHresultError() throw();
inline long get_val(){return m_val;} ///< The handle function result.
private:
int m_val;
};
#endif
#ifdef _PATHIE_UNIX
/// This exception is thrown only on UNIX, when a call to the POSIX glob(3)
/// function fails.
class GlobError: public PathieError {
public:
GlobError(int val); ///< Contructs a new instance from the given glob(3) error code.
virtual ~GlobError() throw();
inline int get_val(){return m_val;} ///< The glob(3) error code.
private:
int m_val;
};
#endif
}
#endif
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