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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
// -*- C++ -*-
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/**
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* \file ExceptionMessage.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Abdelrazak Younes
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*
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* Full author contact details are available in file CREDITS.
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*
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* A store of the paths to the various different directoies used
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* by LyX. These paths differ markedly from one OS to another,
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* following the local Windows, MacOS X or Posix conventions.
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*/
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#ifndef LYX_MESSAGE_H
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#define LYX_MESSAGE_H
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#include "support/docstring.h"
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#include <exception>
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namespace lyx {
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namespace support {
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/// LyX support three types of custom exceptions. In order of
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/// increasing seriousness, these are:
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///
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/// WarningException
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/// Intended for unexpected situations that we do not expect
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/// to compromise further operation. It has the effect of
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/// aborting whatever operation in in process.
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///
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/// BufferException
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/// Intended for situations that indicate some problem with a
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/// Buffer or its related data structures. The Buffer will be
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/// closed, in emergency style.
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///
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/// ErrorException
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/// Intended for situations that indicate a global problem
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/// with the program. It will lead to an emergency shutdown.
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enum ExceptionType {
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ErrorException,
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BufferException,
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WarningException
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};
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class ExceptionMessage: public std::exception {
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public:
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ExceptionMessage(ExceptionType type, docstring const & title,
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docstring const & details)
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: type_(type), title_(title), details_(details),
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message_(to_utf8(title_ + docstring::value_type('\n') + details_)) {}
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virtual const char * what() const throw() { return message_.c_str(); }
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virtual ~ExceptionMessage() throw() {}
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ExceptionType type_;
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docstring title_;
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docstring details_;
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// Needed because we may not return a temporary in what().
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std::string message_;
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};
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} // namespace support
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} // namespace lyx
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#endif // LYX_MESSAGE_H
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