iteration_interruption.hpp

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/* /////////////////////////////////////////////////////////////////////////
 * File:        stlsoft/exceptions/iteration_interruption.hpp
 *
 * Purpose:     An exception thrown when an active end iterator is exhausted.
 *
 * Created:     30th November 2005
 * Updated:     10th June 2006
 *
 * Home:        http://stlsoft.org/
 *
 * Copyright (c) 2005-2006, 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/exceptions/iteration_interruption.hpp
///
/// An exception thrown when an active end iterator is exhausted.

#ifndef STLSOFT_INCL_STLSOFT_EXCEPTIONS_HPP_ITERATION_INTERRUPTION
#define STLSOFT_INCL_STLSOFT_EXCEPTIONS_HPP_ITERATION_INTERRUPTION

#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
# define STLSOFT_VER_STLSOFT_EXCEPTIONS_HPP_ITERATION_INTERRUPTION_MAJOR    1
# define STLSOFT_VER_STLSOFT_EXCEPTIONS_HPP_ITERATION_INTERRUPTION_MINOR    1
# define STLSOFT_VER_STLSOFT_EXCEPTIONS_HPP_ITERATION_INTERRUPTION_REVISION 3
# define STLSOFT_VER_STLSOFT_EXCEPTIONS_HPP_ITERATION_INTERRUPTION_EDIT     7
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */

/* /////////////////////////////////////////////////////////////////////////
 * Auto-generation and compatibility
 */

/* /////////////////////////////////////////////////////////////////////////
 * Includes
 */

#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
# include <stlsoft/stlsoft.h>
#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
#include <stdexcept>

/* /////////////////////////////////////////////////////////////////////////
 * Namespace
 */

#ifndef _STLSOFT_NO_NAMESPACE
namespace stlsoft
{
#endif /* _STLSOFT_NO_NAMESPACE */

/* /////////////////////////////////////////////////////////////////////////
 * Classes
 */

/// An exception thrown when an active iterator is interrupted, by the underlying range
/// changing outside direct control by the current thread of execution
class iteration_interruption
    : public stlsoft_ns_qual_std(runtime_error)
{
/// \name Member Types
/// @{
public:
    typedef stlsoft_ns_qual_std(runtime_error)  parent_class_type;
    typedef iteration_interruption              class_type;
/// @}

/// \name Construction
/// @{
public:
    iteration_interruption()
        : parent_class_type("")
        , m_errorCode(0)
    {}
    ss_explicit_k iteration_interruption(char const *message)
        : parent_class_type(message)
        , m_errorCode(0)
    {}
    iteration_interruption(char const *message, long errorCode)
        : parent_class_type(message)
        , m_errorCode(errorCode)
    {}

    virtual ~iteration_interruption() throw()
    {}
/// @}

/// \name Accessors
/// @{
public:
    virtual char const *what() const throw()
    {
        char const *message =   parent_class_type::what();

#if 0
        if( NULL == message ||
            '\0' == *message)
#endif /* 0 */
        {
            message = this->real_what_();
        }

        return message;
    }

    virtual long errorCode() const throw()
    {
        return m_errorCode;
    }
/// @}

/// \name Implementation
/// @{
private:
    virtual char const *real_what_() const throw()
    {
        return "iteration interruption";
    }
/// @}

/// \name Members
/// @{
private:
    const long  m_errorCode;
/// @}

/// \name Not to be implemented
/// @{
private:
    class_type &operator =(class_type const &);
/// @}
};

////////////////////////////////////////////////////////////////////////////
// Unit-testing

#ifdef STLSOFT_UNITTEST
# include "./unittest/iteration_interruption_unittest_.h"
#endif /* STLSOFT_UNITTEST */

/* ////////////////////////////////////////////////////////////////////// */

#ifndef _STLSOFT_NO_NAMESPACE
} // namespace stlsoft
#endif /* _STLSOFT_NO_NAMESPACE */

/* ////////////////////////////////////////////////////////////////////// */

#endif /* !STLSOFT_INCL_STLSOFT_EXCEPTIONS_HPP_ITERATION_INTERRUPTION */

/* ////////////////////////////////////////////////////////////////////// */