You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

206 lines
6.8 KiB

/* /////////////////////////////////////////////////////////////////////////
* File: stlsoft/error/contract_violation.hpp
*
* Purpose: Definition of the \c contract_violation exception class.
*
* Created: 17th October 2004
* Updated: 10th August 2009
*
* Home: http://stlsoft.org/
*
* Copyright (c) 2004-2009, Matthew Wilson and Synesis Software
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - 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.
* - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
* any contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* 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 OWNER 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.
*
* ////////////////////////////////////////////////////////////////////// */
/** \file stlsoft/error/contract_violation.hpp
*
* \brief [C++ only] Definition of the stlsoft::contract_violation
* exception class
* (\ref group__library__error "Error" Library).
*/
#ifndef STLSOFT_INCL_STLSOFT_ERROR_HPP_CONTRACT_VIOLATION
#define STLSOFT_INCL_STLSOFT_ERROR_HPP_CONTRACT_VIOLATION
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
# define STLSOFT_VER_STLSOFT_ERROR_HPP_CONTRACT_VIOLATION_MAJOR 2
# define STLSOFT_VER_STLSOFT_ERROR_HPP_CONTRACT_VIOLATION_MINOR 0
# define STLSOFT_VER_STLSOFT_ERROR_HPP_CONTRACT_VIOLATION_REVISION 2
# define STLSOFT_VER_STLSOFT_ERROR_HPP_CONTRACT_VIOLATION_EDIT 20
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////
* Includes
*/
#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
# include <stlsoft/stlsoft.h>
#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
#ifndef STLSOFT_INCL_STLSOFT_ERROR_HPP_UNRECOVERABLE
# include <stlsoft/error/unrecoverable.hpp>
#endif /* !STLSOFT_INCL_STLSOFT_ERROR_HPP_UNRECOVERABLE */
#ifndef STLSOFT_INCL_STRING
# define STLSOFT_INCL_STRING
# include <string>
#endif /* !STLSOFT_INCL_STRING */
/* /////////////////////////////////////////////////////////////////////////
* Namespace
*/
#ifndef _STLSOFT_NO_NAMESPACE
namespace stlsoft
{
#endif /* _STLSOFT_NO_NAMESPACE */
/* /////////////////////////////////////////////////////////////////////////
* Classes
*/
/** \brief Thrown when a contract has been violated
*
* \ingroup group__library__error
*
* Exceptions deriving from this class may be caught, but they result in
* process termination at the end of the catch clause, or if they're not caught.
*/
class contract_violation
: public unrecoverable
{
/// \name Types
/// @{
private:
#ifdef STLSOFT_CF_std_NAMESPACE
typedef stlsoft_ns_qual_std(string) string_type;
#else /* ? STLSOFT_CF_std_NAMESPACE */
# if defined(STLSOFT_COMPILER_IS_WATCOM)
class string_type
: public stlsoft_ns_qual_std(string)
{
private:
typedef stlsoft_ns_qual_std(string) parent_class_type;
public:
string_type(char const* s) : parent_class_type(s) {}
string_type() : parent_class_type() {}
string_type(string_type const& rhs) : parent_class_type(rhs) {}
public:
char const* c_str() const { return *this; }
bool empty() const { return (NULL == this->c_str() || '\0' == *this->c_str()); }
};
# else /* ? compiler */
# error No other non-std compiler supported
# endif /* compiler */
#endif /* STLSOFT_CF_std_NAMESPACE */
public:
/// The parent type
typedef unrecoverable parent_class_type;
/// The type of the current instantiation
typedef contract_violation class_type;
/// @}
/// \name Construction
/// @{
public:
/// Default constructor
contract_violation()
: parent_class_type(NULL)
, m_error()
{}
/// Creates an instance which will call the given function when termination
/// is effected
///
/// \note Only when the last copy of this instance is destroyed will the
/// given function by executed
ss_explicit_k contract_violation( void (*pfnHandler)())
: parent_class_type(pfnHandler)
, m_error()
{}
ss_explicit_k contract_violation( char const *error
, void (*pfnHandler)() = NULL)
: parent_class_type(pfnHandler)
, m_error(error)
{}
ss_explicit_k contract_violation( string_type const &error
, void (*pfnHandler)() = NULL)
: parent_class_type(pfnHandler)
, m_error(error)
{}
/// Copy constructor
///
/// \note Only when the last copy is destroyed will the termination be effected
contract_violation(class_type const& rhs)
: parent_class_type(rhs)
, m_error(rhs.m_error)
{}
virtual ~contract_violation() stlsoft_throw_0()
{}
/// @}
/// \name Accessors
/// @{
public:
/// Returns a human-readable string describing the exception condition
virtual char const* what() const throw()
{
return m_error.empty() ? default_message_() : m_error.c_str();
}
/// @}
/// \name Implementation
/// @{
private:
static char const *default_message_()
{
return "contract violation";
}
/// @}
/// \name Members
/// @{
private:
const string_type m_error;
/// @}
// Not to be implemented
private:
class_type& operator =(class_type const&);
};
/* ////////////////////////////////////////////////////////////////////// */
#ifndef _STLSOFT_NO_NAMESPACE
} // namespace stlsoft
#endif /* _STLSOFT_NO_NAMESPACE */
/* ////////////////////////////////////////////////////////////////////// */
#endif /* !STLSOFT_INCL_STLSOFT_ERROR_HPP_CONTRACT_VIOLATION */
/* ///////////////////////////// end of file //////////////////////////// */