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error_desc.hpp
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error_desc.hpp
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/* /////////////////////////////////////////////////////////////////////////
* File: platformstl/error/error_desc.hpp
*
* Purpose: Error .
*
* Created: 20th March 2005
* Updated: 10th August 2009
*
* Home: http://stlsoft.org/
*
* Copyright (c) 2005-2009, 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 platformstl/error/error_desc.hpp
*
* \brief [C++ only] Definition of the platformstl::basic_error_desc class
* template
* (\ref group__library__error "Error" Library).
*/
#ifndef PLATFORMSTL_INCL_PLATFORMSTL_ERROR_HPP_ERROR_DESC
#define PLATFORMSTL_INCL_PLATFORMSTL_ERROR_HPP_ERROR_DESC
/* File version */
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
# define PLATFORMSTL_VER_PLATFORMSTL_ERROR_HPP_ERROR_DESC_MAJOR 2
# define PLATFORMSTL_VER_PLATFORMSTL_ERROR_HPP_ERROR_DESC_MINOR 2
# define PLATFORMSTL_VER_PLATFORMSTL_ERROR_HPP_ERROR_DESC_REVISION 1
# define PLATFORMSTL_VER_PLATFORMSTL_ERROR_HPP_ERROR_DESC_EDIT 21
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////
* Compatibility
*/
/*
[DocumentationStatus:Ready]
*/
/* /////////////////////////////////////////////////////////////////////////
* Includes
*/
#ifndef PLATFORMSTL_INCL_PLATFORMSTL_HPP_PLATFORMSTL
# include <platformstl/platformstl.hpp>
#endif /* !PLATFORMSTL_INCL_PLATFORMSTL_HPP_PLATFORMSTL */
#if defined(PLATFORMSTL_OS_IS_UNIX)
# ifndef STLSOFT_INCL_STLSOFT_HPP_ERROR_UNIX_ERROR_DESC
# include <stlsoft/error/error_desc.hpp>
# endif /* !STLSOFT_INCL_STLSOFT_ERROR_HPP_UNIX_ERROR_DESC */
#elif defined(PLATFORMSTL_OS_IS_WINDOWS)
# ifndef WINSTL_INCL_WINSTL_ERROR_HPP_WINDOWS_ERROR_DESC
# include <winstl/error/error_desc.hpp>
# endif /* !WINSTL_INCL_WINSTL_ERROR_HPP_WINDOWS_ERROR_DESC */
#else /* ? operating system */
# error Operating system not discriminated
#endif /* operating system */
/* /////////////////////////////////////////////////////////////////////////
* Namespace
*/
#if defined(_STLSOFT_NO_NAMESPACE) || \
defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
/* There is no stlsoft namespace, so must define ::platformstl */
namespace platformstl
{
#else
/* Define stlsoft::platformstl_project */
namespace stlsoft
{
namespace platformstl_project
{
#endif /* _STLSOFT_NO_NAMESPACE */
/* ////////////////////////////////////////////////////////////////////// */
#if defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
/** \brief Class used for composing and decomposing file-system paths.
*
* \ingroup group__library__error
*
* The class is not actually defined in the
* \link ::platformstl platformstl\endlink namespace. Rather, it
* resolves to the appropriate type for the given platform, relying on
* \ref section__principle__conformance__intersecting_conformance "Intersecting Conformance"
* of the resolved platform-specific types.
*
* When compiling on UNIX platforms, the platformstl::basic_error_desc
* type resolves to the unixstl::basic_error_desc class. On Windows
* platforms it resolves to the winstl::basic_error_desc class. It
* is not defined for other platforms.
*/
template <ss_typename_param_k C>
class basic_error_desc
{};
/// \brief Specialisation of the basic_error_desc template for the ANSI character type \c char
typedef basic_error_desc<char> path_a;
/// \brief Specialisation of the basic_error_desc template for the Unicode character type \c wchar_t
typedef basic_error_desc<wchar_t> path_w;
/// \brief Specialisation of the basic_error_desc template for the ANSI character type \c char on UNIX, and for the \c TCHAR type on Windows
typedef basic_error_desc<tchar> path;
#elif defined(STLSOFT_COMPILER_IS_MSVC) && \
_MSC_VER < 1310
// Because early incarnations of Visual C++ are pretty stupid, we need to
// work around their inability to introduce a template via using by
// defining and deriving here
//
// This one required an *extra* degree of trickery, by defining a derivation
// of unixstl::basic_error_desc _within_ unixstl, in the form of
// basic_error_desc__, and then deriving from that. If we just try and
// derive from unixstl::basic_error_desc directly, the compiler gets
// confused between the unixstl one and the local one, and fails and says that
// it cannot derive from itself (which happens to be incomplete).
template <ss_typename_param_k C>
class basic_error_desc
#if defined(PLATFORMSTL_OS_IS_WINDOWS)
: public winstl_ns_qual(basic_error_desc)<C>
#else /* ? OS */
: public stlsoft_ns_qual(basic_error_desc)<C>
#endif /* OS */
{
private:
#if defined(PLATFORMSTL_OS_IS_WINDOWS)
typedef winstl_ns_qual(basic_error_desc)<C> parent_class_type;
#else /* ? OS */
typedef stlsoft_ns_qual(basic_error_desc)<C> parent_class_type;
#endif /* OS */
public:
typedef basic_error_desc<C> class_type;
typedef ss_typename_type_k parent_class_type::size_type size_type;
typedef ss_typename_type_k parent_class_type::error_type error_type;
public:
basic_error_desc()
: parent_class_type()
{}
ss_explicit_k basic_error_desc(error_type error)
: parent_class_type(error)
{}
};
typedef basic_error_desc<char> error_desc_a;
#if defined(PLATFORMSTL_OS_IS_WINDOWS)
typedef basic_error_desc<wchar_t> error_desc_w;
#endif /* OS */
typedef basic_error_desc<char> error_desc;
#elif defined(PLATFORMSTL_OS_IS_UNIX)
# ifdef _STLSOFT_NO_NAMESPACE
using ::basic_error_desc;
using ::error_desc_a;
using ::error_desc;
# else /* ? _STLSOFT_NO_NAMESPACE */
using ::stlsoft::basic_error_desc;
using ::stlsoft::error_desc_a;
using ::stlsoft::error_desc;
# endif /* _STLSOFT_NO_NAMESPACE */
#elif defined(PLATFORMSTL_OS_IS_WINDOWS)
# ifdef _WINSTL_NO_NAMESPACE
using ::basic_error_desc;
using ::error_desc_a;
using ::error_desc_w;
using ::error_desc;
# else /* ? _WINSTL_NO_NAMESPACE */
using ::winstl::basic_error_desc;
using ::winstl::error_desc_a;
using ::winstl::error_desc_w;
using ::winstl::error_desc;
# endif /* _WINSTL_NO_NAMESPACE */
#else /* ? operating system */
# error Operating system not discriminated
#endif /* operating system */
/* ////////////////////////////////////////////////////////////////////// */
#if defined(_STLSOFT_NO_NAMESPACE) || \
defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
} // namespace platformstl
#else
} // namespace platformstl_project
} // namespace stlsoft
#endif /* _STLSOFT_NO_NAMESPACE */
/* ////////////////////////////////////////////////////////////////////// */
#endif /* !PLATFORMSTL_INCL_PLATFORMSTL_ERROR_HPP_ERROR_DESC */
/* ///////////////////////////// end of file //////////////////////////// */