mirror of
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85 lines
2.0 KiB
C++
85 lines
2.0 KiB
C++
/*
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* synergy -- mouse and keyboard sharing utility
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* Copyright (C) 2002 Chris Schoeneman
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*
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* This package is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* found in the file COPYING that should have accompanied this file.
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*
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* This package is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef XBASE_H
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#define XBASE_H
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#include "CString.h"
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#include "stdpre.h"
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#include <exception>
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#include "stdpost.h"
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//! Exception base class
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/*!
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This is the base class of most exception types.
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*/
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class XBase /*: public std::exception*/ {
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public:
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//! Use getWhat() as the result of what()
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XBase();
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//! Use \c msg as the result of what()
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XBase(const CString& msg);
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virtual ~XBase();
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// std::exception overrides
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virtual const char* what() const;
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protected:
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//! Get a human readable string describing the exception
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virtual CString getWhat() const throw() = 0;
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//! Format a string
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/*!
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Looks up a message format using \c id, using \c defaultFormat if
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no format can be found, then replaces positional parameters in
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the format string and returns the result.
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*/
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virtual CString format(const char* id,
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const char* defaultFormat, ...) const throw();
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private:
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mutable CString m_what;
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};
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//! Mix-in for handling \c errno
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/*!
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This mix-in class for exception classes provides storage and query of
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\c errno. On Windows, it uses GetLastError() instead of errno.
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*/
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class MXErrno {
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public:
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//! Save \c errno as the error code
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MXErrno();
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//! Save \c err as the error code
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MXErrno(int err);
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virtual ~MXErrno();
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//! @name accessors
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//@{
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//! Get the error code
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int getErrno() const;
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//! Get the human readable string for the error code
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virtual const char* getErrstr() const;
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//@}
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private:
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int m_errno;
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mutable char* m_string;
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};
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#endif
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