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1697 lines
51 KiB
1697 lines
51 KiB
/* /////////////////////////////////////////////////////////////////////////
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* File: unixstl/filesystem/path.hpp
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*
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* Purpose: Simple class that represents a path.
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*
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* Created: 1st May 1993
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* Updated: 29th November 2010
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*
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* Thanks to: Pablo Aguilar for reporting defect in push_ext() (which
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* doesn't work for wide-string builds).
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*
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* Home: http://stlsoft.org/
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*
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* Copyright (c) 1993-2010, Matthew Wilson and Synesis Software
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
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* any contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* ////////////////////////////////////////////////////////////////////// */
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/** \file unixstl/filesystem/path.hpp
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*
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* \brief [C++ only] Definition of the unixstl::basic_path class template
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* (\ref group__library__filesystem "File System" Library).
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*/
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#ifndef UNIXSTL_INCL_UNIXSTL_FILESYSTEM_HPP_PATH
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#define UNIXSTL_INCL_UNIXSTL_FILESYSTEM_HPP_PATH
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#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
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# define UNIXSTL_VER_UNIXSTL_FILESYSTEM_HPP_PATH_MAJOR 6
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# define UNIXSTL_VER_UNIXSTL_FILESYSTEM_HPP_PATH_MINOR 6
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# define UNIXSTL_VER_UNIXSTL_FILESYSTEM_HPP_PATH_REVISION 4
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# define UNIXSTL_VER_UNIXSTL_FILESYSTEM_HPP_PATH_EDIT 236
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#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
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/* /////////////////////////////////////////////////////////////////////////
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* Includes
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*/
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#ifndef UNIXSTL_INCL_UNIXSTL_H_UNIXSTL
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# include <unixstl/unixstl.h>
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#endif /* !UNIXSTL_INCL_UNIXSTL_H_UNIXSTL */
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#ifndef UNIXSTL_INCL_UNIXSTL_FILESYSTEM_HPP_FILESYSTEM_TRAITS
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# include <unixstl/filesystem/filesystem_traits.hpp>
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#endif /* !UNIXSTL_INCL_UNIXSTL_FILESYSTEM_HPP_FILESYSTEM_TRAITS */
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#ifndef UNIXSTL_INCL_UNIXSTL_FILESYSTEM_HPP_FILE_PATH_BUFFER
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# include <unixstl/filesystem/file_path_buffer.hpp>
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#endif /* !UNIXSTL_INCL_UNIXSTL_FILESYSTEM_HPP_FILE_PATH_BUFFER */
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#ifdef STLSOFT_CF_EXCEPTION_SUPPORT
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# ifndef UNIXSTL_INCL_UNIXSTL_ERROR_HPP_WINDOWS_EXCEPTIONS
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# include <unixstl/error/exceptions.hpp>
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# endif /* !UNIXSTL_INCL_UNIXSTL_ERROR_HPP_WINDOWS_EXCEPTIONS */
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#endif /* STLSOFT_CF_EXCEPTION_SUPPORT */
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#ifndef STLSOFT_INCL_STLSOFT_MEMORY_HPP_ALLOCATOR_BASE
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# include <stlsoft/memory/allocator_base.hpp> // for STLSOFT_LF_ALLOCATOR_REBIND_SUPPORT
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#endif /* !STLSOFT_INCL_STLSOFT_MEMORY_HPP_ALLOCATOR_BASE */
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#ifndef STLSOFT_INCL_STLSOFT_MEMORY_HPP_ALLOCATOR_SELECTOR
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# include <stlsoft/memory/allocator_selector.hpp>
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#endif /* !STLSOFT_INCL_STLSOFT_MEMORY_HPP_ALLOCATOR_SELECTOR */
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#ifndef STLSOFT_INCL_STLSOFT_SHIMS_ACCESS_HPP_STRING
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# include <stlsoft/shims/access/string.hpp>
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#endif /* !STLSOFT_INCL_STLSOFT_SHIMS_ACCESS_HPP_STRING */
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#ifndef UNIXSTL_INCL_UNIXSTL_SHIMS_ACCESS_HPP_STRING
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# include <unixstl/shims/access/string.hpp>
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#endif /* !UNIXSTL_INCL_UNIXSTL_SHIMS_ACCESS_HPP_STRING */
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#ifndef STLSOFT_INCL_STLSOFT_MEMORY_HPP_AUTO_BUFFER
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# include <stlsoft/memory/auto_buffer.hpp>
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#endif /* !STLSOFT_INCL_STLSOFT_MEMORY_HPP_AUTO_BUFFER */
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#ifndef STLSOFT_INCL_STLSOFT_STRING_HPP_COPY_FUNCTIONS
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# include <stlsoft/string/copy_functions.hpp>
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#endif /* !STLSOFT_INCL_STLSOFT_STRING_HPP_COPY_FUNCTIONS */
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#ifndef STLSOFT_INCL_STLSOFT_UTIL_HPP_STD_SWAP
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# include <stlsoft/util/std_swap.hpp>
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#endif /* !STLSOFT_INCL_STLSOFT_UTIL_HPP_STD_SWAP */
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#ifndef STLSOFT_INCL_STDEXCEPT
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# define STLSOFT_INCL_STDEXCEPT
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# include <stdexcept> // for std::logic_error
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#endif /* !STLSOFT_INCL_STDEXCEPT */
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#ifdef _WIN32
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# include <ctype.h>
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#endif /* _WIN32 */
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/* /////////////////////////////////////////////////////////////////////////
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* Namespace
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*/
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#ifndef _UNIXSTL_NO_NAMESPACE
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# if defined(_STLSOFT_NO_NAMESPACE) || \
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defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
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/* There is no stlsoft namespace, so must define ::unixstl */
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namespace unixstl
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{
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# else
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/* Define stlsoft::unixstl_project */
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namespace stlsoft
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{
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namespace unixstl_project
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{
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# endif /* _STLSOFT_NO_NAMESPACE */
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#endif /* !_UNIXSTL_NO_NAMESPACE */
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/* /////////////////////////////////////////////////////////////////////////
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* basic_path
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*
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* This class represents a path, and effectively acts as a C-string of its value.
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*/
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/** Represents a path
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*
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* \ingroup group__library__filesystem
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*
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* \param C The character type
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* \param T The traits type. Defaults to filesystem_traits<C>. On translators that do not support default template arguments, it must be explicitly stipulated
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* \param A The allocator class. Defaults to stlsoft::allocator_selector<C>::allocator_type. On translators that do not support default template arguments, it must be explicitly stipulated
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*
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* \note This class derives from the Synesis Software class Path, but has been influenced
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* by other, later, ideas. The idea of using the / operator for path concatenation was
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* sparked by the Boost implementation (although the details were not investigated prior
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* to this implementation, so the two may have significant semantic differences). This
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* has been added without requiring any major fundamental changes to the original
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* <code>push/pop</code>-based interface
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*/
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template< ss_typename_param_k C
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#ifdef STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT
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, ss_typename_param_k T = filesystem_traits<C>
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, ss_typename_param_k A = ss_typename_type_def_k stlsoft_ns_qual(allocator_selector)<C>::allocator_type
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#else /* ? STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT */
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, ss_typename_param_k T /* = filesystem_traits<C> */
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, ss_typename_param_k A /* = ss_typename_type_def_k stlsoft_ns_qual(allocator_selector)<C>::allocator_type */
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#endif /* STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT */
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>
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class basic_path
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{
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/// \name Types
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/// @{
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public:
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/// The char type
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typedef C char_type;
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/// The traits type
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typedef T traits_type;
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/// The allocator type
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typedef A allocator_type;
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/// The current parameterisation of the type
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typedef basic_path<C, T, A> class_type;
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/// The size type
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typedef us_size_t size_type;
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/// The Boolean type
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typedef us_bool_t bool_type;
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// TODO: Use the slice string, and provide iterators over the directory parts
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/// @}
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/// \name Construction
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/// @{
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public:
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/// Constructs an empty path
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basic_path();
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/// Constructs a path from \c path
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ss_explicit_k basic_path(char_type const* path);
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#ifdef STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT
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/// Constructs a path from \c path
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template<ss_typename_param_k S>
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ss_explicit_k basic_path(S const& s)
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{
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m_len = stlsoft_ns_qual(c_str_len)(s);
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traits_type::char_copy(&m_buffer[0], stlsoft_ns_qual(c_str_data)(s), m_len);
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m_buffer[m_len] = '\0';
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}
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#endif /* STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT */
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/// Constructs a path from \c cch characters in \c path
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basic_path(char_type const* path, size_type cch);
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#ifndef STLSOFT_CF_NO_COPY_CTOR_AND_COPY_CTOR_TEMPLATE_OVERLOAD
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/// Copies the contents of \c rhs
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basic_path(class_type const& rhs);
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#endif /* !STLSOFT_CF_NO_COPY_CTOR_AND_COPY_CTOR_TEMPLATE_OVERLOAD */
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#ifndef STLSOFT_CF_NO_COPY_CTOR_AND_COPY_CTOR_TEMPLATE_OVERLOAD
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/// Copies the contents of \c rhs
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class_type& operator =(class_type const& rhs);
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#endif /* !STLSOFT_CF_NO_COPY_CTOR_AND_COPY_CTOR_TEMPLATE_OVERLOAD */
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/// Copies the contents of \c rhs
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class_type& operator =(char_type const* rhs);
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#ifdef STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT
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/// Copies the contents of \c s
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template<ss_typename_param_k S>
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class_type& operator =(S const& s)
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{
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return operator_equal_(stlsoft_ns_qual(c_str_ptr)(s));
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}
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#endif /* STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT */
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// Creates a root path
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static class_type root(char_type const* s);
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#ifdef STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT
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// Creates a root path
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template<ss_typename_param_k S>
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static class_type root(S const& s)
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{
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return root(stlsoft_ns_qual(c_str_ptr)(s));
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}
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#endif /* STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT */
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/// @}
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/// \name Operations
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/// @{
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public:
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/// Appends the contents of \c rhs to the path
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class_type& push(class_type const& rhs, bool_type bAddPathNameSeparator = false);
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/// Appends the contents of \c rhs to the path
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class_type& push(char_type const* rhs, bool_type bAddPathNameSeparator = false);
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/// Appends the contents of \c rhs to the path as an extension
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class_type& push_ext(class_type const& rhs, bool_type bAddPathNameSeparator = false);
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/// Appends the contents of \c rhs to the path as an extension
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class_type& push_ext(char_type const* rhs, bool_type bAddPathNameSeparator = false);
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/// Ensures that the path has a trailing path name separator
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class_type& push_sep();
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/// Pops the last path element from the path
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///
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/// \note In previous versions, this operation did not remove the
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/// left-most path component. That behaviour is no longer supported,
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/// and the method will now leave the path instance empty in that
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/// case.
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class_type& pop(bool_type bRemoveTrailingPathNameSeparator = true);
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/// Ensures that the path does not have a trailing path name separator
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///
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/// \note Does not trim the separator character from the root designator
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class_type& pop_sep();
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/// Removes the extension, if any, from the file component of the path
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class_type& pop_ext();
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/// Equivalent to push()
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class_type& operator /=(char_type const* rhs);
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#if !defined(STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT) || \
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defined(STLSOFT_CF_MEMBER_TEMPLATE_OVERLOAD_DISCRIMINATED)
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/// Equivalent to push()
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class_type& operator /=(class_type const& rhs);
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#endif /* !STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT || STLSOFT_CF_MEMBER_TEMPLATE_OVERLOAD_DISCRIMINATED */
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#if defined(STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT)
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/// Equivalent to push()
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template <ss_typename_param_k S>
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class_type& operator /=(S const& rhs)
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{
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return push(stlsoft_ns_qual(c_str_ptr)(rhs));
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}
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#endif /* STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT */
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/// Removes all content
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void clear();
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/// Converts the path to absolute form
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class_type& make_absolute(bool_type bRemoveTrailingPathNameSeparator = true);
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/// Canonicalises the path, removing all "./" parts and evaluating all "../" parts
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class_type& canonicalise(bool_type bRemoveTrailingPathNameSeparator = true);
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/// @}
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/// \name Attributes
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/// @{
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public:
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/// Returns a pointer to the part of the path after the last path name separator
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///
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/// \note If the path represents a directory, the name of the directory will be returned, except
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/// if the path is terminated by the path name separator
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///
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/// \note If the path contains no path name separator, the full path will be returned
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char_type const* get_file() const;
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/// Returns a pointer to the extension, or to the empty string if there is no extension
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char_type const* get_ext() const;
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/// Returns the length of the converted path
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size_type length() const;
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/// Returns the length of the converted path
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///
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/// \remarks Equivalent to length()
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size_type size() const;
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/// The maximum possible length of a path
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static size_type max_size();
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/// Determines whether the path is empty
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bool_type empty() const;
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/// Conversion to a non-mutable (const) pointer to the path
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char_type const* c_str() const;
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/// Returns a non-mutable (const) reference to the character at
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/// the given index
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///
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/// \note The behaviour is undefined if <code>index >= size()</code>.
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char_type const& operator [](size_type index) const;
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/// Indicates whether the path represents an existing file system entry
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bool_type exists() const;
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/// Indicates whether the path is rooted
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bool_type is_rooted() const;
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/// Indicates whether the path is absolute
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bool_type is_absolute() const;
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/// Indicates whether the path has a trailing separator
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bool_type has_sep() const;
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/// Copies the contents into a caller supplied buffer
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///
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/// \param buffer Pointer to character buffer to receive the contents.
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/// May be NULL, in which case the method returns size().
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/// \param cchBuffer Number of characters of available space in \c buffer.
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size_type copy(char_type *buffer, size_type cchBuffer) const;
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/// @}
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/// \name Comparison
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/// @{
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public:
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bool_type equivalent(char_type const* rhs) const;
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bool_type equivalent(class_type const& rhs) const;
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bool_type equal(char_type const* rhs) const;
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bool_type equal(class_type const& rhs) const;
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/// @}
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/// \name Iteration
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/// @{
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public:
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#if 0
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directory_iterator dir_begin() const;
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directory_iterator dir_end() const;
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#endif /* 0 */
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/// @}
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// Implementation
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private:
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class_type& operator_equal_(char_type const* path);
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void swap(class_type& rhs);
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class_type& concat_(char_type const* rhs, size_type cch);
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static char_type const *next_slash_or_end(char_type const* p);
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static char_type path_name_separator_alt();
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// Members
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private:
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typedef basic_file_path_buffer<
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char_type
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, allocator_type
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> buffer_type_;
|
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|
|
struct part
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|
{
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enum Type
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|
{
|
|
normal
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, dot
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, dotdot
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};
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|
|
|
size_type len;
|
|
char_type const* p;
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Type type;
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};
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buffer_type_ m_buffer;
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size_type m_len;
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};
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|
|
/* /////////////////////////////////////////////////////////////////////////
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* Typedefs for commonly encountered types
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*/
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/** Specialisation of the basic_path template for the ANSI character type \c char
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*
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* \ingroup group__library__filesystem
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*/
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typedef basic_path<us_char_a_t, filesystem_traits<us_char_a_t> > path_a;
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/** Specialisation of the basic_path template for the Unicode character type \c wchar_t
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|
*
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|
* \ingroup group__library__filesystem
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|
*/
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typedef basic_path<us_char_w_t, filesystem_traits<us_char_w_t> > path_w;
|
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/** Specialisation of the basic_path template for the ANSI character type \c char
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|
*
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* \ingroup group__library__filesystem
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|
*/
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typedef basic_path<us_char_a_t, filesystem_traits<us_char_a_t> > path;
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|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Support for PlatformSTL redefinition by inheritance+namespace, for confused
|
|
* compilers (e.g. VC++ 6)
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|
*/
|
|
|
|
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
|
|
|
|
template< ss_typename_param_k C
|
|
# ifdef STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT
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|
, ss_typename_param_k T = filesystem_traits<C>
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|
, ss_typename_param_k A = ss_typename_type_def_k stlsoft_ns_qual(allocator_selector)<C>::allocator_type
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|
# else /* ? STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT */
|
|
, ss_typename_param_k T /* = filesystem_traits<C> */
|
|
, ss_typename_param_k A /* = ss_typename_type_def_k stlsoft_ns_qual(allocator_selector)<C>::allocator_type */
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|
# endif /* STLSOFT_CF_TEMPLATE_CLASS_DEFAULT_CLASS_ARGUMENT_SUPPORT */
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|
>
|
|
class basic_path__
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|
: public unixstl_ns_qual(basic_path)<C, T, A>
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|
{
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|
private:
|
|
typedef unixstl_ns_qual(basic_path)<C, T, A> parent_class_type;
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|
typedef unixstl_ns_qual(basic_path__)<C, T, A> class_type;
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|
public:
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|
typedef ss_typename_type_k parent_class_type::char_type char_type;
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|
typedef ss_typename_type_k parent_class_type::traits_type traits_type;
|
|
typedef ss_typename_type_k parent_class_type::allocator_type allocator_type;
|
|
typedef ss_typename_type_k parent_class_type::size_type size_type;
|
|
|
|
public:
|
|
basic_path__()
|
|
: parent_class_type()
|
|
{}
|
|
ss_explicit_k basic_path__(char_type const* path)
|
|
: parent_class_type(path)
|
|
{}
|
|
# ifdef STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT
|
|
/// Constructs a path from \c path
|
|
template<ss_typename_param_k S>
|
|
ss_explicit_k basic_path__(S const& s)
|
|
: parent_class_type(s)
|
|
{}
|
|
# endif /* STLSOFT_CF_MEMBER_TEMPLATE_CTOR_SUPPORT */
|
|
basic_path__(char_type const* path, size_type cch)
|
|
: parent_class_type(path, cch)
|
|
{}
|
|
basic_path__(class_type const& rhs)
|
|
: parent_class_type(rhs)
|
|
{}
|
|
|
|
class_type& operator =(class_type const& rhs)
|
|
{
|
|
parent_class_type::operator =(rhs);
|
|
|
|
return *this;
|
|
}
|
|
class_type& operator =(char_type const* rhs)
|
|
{
|
|
parent_class_type::operator =(rhs);
|
|
|
|
return *this;
|
|
}
|
|
# ifdef STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT
|
|
template<ss_typename_param_k S>
|
|
class_type& operator =(S const& s)
|
|
{
|
|
parent_class_type::operator =(s);
|
|
|
|
return *this;
|
|
}
|
|
# endif /* STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT */
|
|
};
|
|
|
|
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Operators
|
|
*/
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t operator ==(basic_path<C, T, A> const& lhs, ss_typename_type_k basic_path<C, T, A>::char_type const* rhs)
|
|
{
|
|
return lhs.equal(rhs);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t operator !=(basic_path<C, T, A> const& lhs, ss_typename_type_k basic_path<C, T, A>::char_type const* rhs)
|
|
{
|
|
return !lhs.equal(rhs);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t operator ==(ss_typename_type_k basic_path<C, T, A>::char_type const* lhs, basic_path<C, T, A> const& rhs)
|
|
{
|
|
return rhs.equal(lhs);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t operator !=(ss_typename_type_k basic_path<C, T, A>::char_type const* lhs, basic_path<C, T, A> const& rhs)
|
|
{
|
|
return !rhs.equal(lhs);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t operator ==(basic_path<C, T, A> const& lhs, basic_path<C, T, A> const& rhs)
|
|
{
|
|
return lhs.equal(rhs);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t operator !=(basic_path<C, T, A> const& lhs, basic_path<C, T, A> const& rhs)
|
|
{
|
|
return !lhs.equal(rhs);
|
|
}
|
|
|
|
// operator /
|
|
|
|
/** Concatenates \c rhs to the path \c lhs
|
|
*
|
|
* \ingroup group__library__filesystem
|
|
*/
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A> operator /(basic_path<C, T, A> const& lhs, ss_typename_type_k basic_path<C, T, A>::char_type const* rhs)
|
|
{
|
|
return basic_path<C, T, A>(lhs) /= rhs;
|
|
}
|
|
|
|
/** Concatenates \c rhs to the path \c lhs
|
|
*
|
|
* \ingroup group__library__filesystem
|
|
*/
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A> operator /(ss_typename_type_k basic_path<C, T, A>::char_type const* lhs, basic_path<C, T, A> const& rhs)
|
|
{
|
|
return basic_path<C, T, A>(lhs) /= rhs;
|
|
}
|
|
|
|
/** Concatenates \c rhs to the path \c lhs
|
|
*
|
|
* \ingroup group__library__filesystem
|
|
*/
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A> operator /(basic_path<C, T, A> const& lhs, basic_path<C, T, A> const& rhs)
|
|
{
|
|
return basic_path<C, T, A>(lhs) /= rhs;
|
|
}
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Helper functions
|
|
*/
|
|
|
|
#if !defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
|
|
# if !defined(STLSOFT_COMPILER_IS_MSVC) || \
|
|
_MSC_VER >= 1100
|
|
|
|
/** This helper function makes a path variable without needing to
|
|
* qualify the template parameter.
|
|
*
|
|
* \ingroup group__library__filesystem
|
|
*/
|
|
template<ss_typename_param_k C>
|
|
inline basic_path<C> make_path(C const* path)
|
|
{
|
|
return basic_path<C>(path);
|
|
}
|
|
|
|
# endif /* compiler */
|
|
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* swapping
|
|
*/
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline void swap(basic_path<C, T, A>& lhs, basic_path<C, T, A>& rhs)
|
|
{
|
|
lhs.swap(rhs);
|
|
}
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Shims
|
|
*/
|
|
|
|
/** \ref group__concept__shim__string_access__c_str_data for unixstl::basic_path
|
|
*
|
|
* \ingroup group__concept__shim__string_access
|
|
*/
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline C const* c_str_data(unixstl_ns_qual(basic_path)<C, T, A> const& b)
|
|
{
|
|
return b.c_str();
|
|
}
|
|
|
|
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
|
|
|
|
template <ss_typename_param_k T, ss_typename_param_k A>
|
|
inline us_char_a_t const* c_str_data_a(unixstl_ns_qual(basic_path)<us_char_a_t, T, A> const& b)
|
|
{
|
|
return b.c_str();
|
|
}
|
|
template <ss_typename_param_k T, ss_typename_param_k A>
|
|
inline us_char_w_t const* c_str_data_w(unixstl_ns_qual(basic_path)<us_char_w_t, T, A> const& b)
|
|
{
|
|
return b.c_str();
|
|
}
|
|
|
|
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
|
|
|
|
/** \ref group__concept__shim__string_access__c_str_len for unixstl::basic_path
|
|
*
|
|
* \ingroup group__concept__shim__string_access
|
|
*/
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_size_t c_str_len(unixstl_ns_qual(basic_path)<C, T, A> const& b)
|
|
{
|
|
return stlsoft_ns_qual(c_str_len)(b.c_str());
|
|
}
|
|
|
|
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
|
|
|
|
template <ss_typename_param_k T, ss_typename_param_k A>
|
|
inline us_size_t c_str_len_a(unixstl_ns_qual(basic_path)<us_char_a_t, T, A> const& b)
|
|
{
|
|
return stlsoft_ns_qual(c_str_len_a)(b.c_str());
|
|
}
|
|
template <ss_typename_param_k T, ss_typename_param_k A>
|
|
inline us_size_t c_str_len_w(unixstl_ns_qual(basic_path)<us_char_w_t, T, A> const& b)
|
|
{
|
|
return stlsoft_ns_qual(c_str_len_w)(b.c_str());
|
|
}
|
|
|
|
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
|
|
|
|
|
|
|
|
/** \ref group__concept__shim__string_access__c_str_ptr for unixstl::basic_path
|
|
*
|
|
* \ingroup group__concept__shim__string_access
|
|
*/
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline C const* c_str_ptr(unixstl_ns_qual(basic_path)<C, T, A> const& b)
|
|
{
|
|
return b.c_str();
|
|
}
|
|
|
|
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
|
|
|
|
template <ss_typename_param_k T, ss_typename_param_k A>
|
|
inline us_char_a_t const* c_str_ptr_a(unixstl_ns_qual(basic_path)<us_char_a_t, T, A> const& b)
|
|
{
|
|
return b.c_str();
|
|
}
|
|
template <ss_typename_param_k T, ss_typename_param_k A>
|
|
inline us_char_w_t const* c_str_ptr_w(unixstl_ns_qual(basic_path)<us_char_w_t, T, A> const& b)
|
|
{
|
|
return b.c_str();
|
|
}
|
|
|
|
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
|
|
|
|
|
|
|
|
/** \ref group__concept__shim__string_access__c_str_ptr_null for unixstl::basic_path
|
|
*
|
|
* \ingroup group__concept__shim__string_access
|
|
*/
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline C const* c_str_ptr_null(unixstl_ns_qual(basic_path)<C, T, A> const& b)
|
|
{
|
|
return stlsoft_ns_qual(c_str_ptr_null)(b.c_str());
|
|
}
|
|
|
|
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
|
|
|
|
template <ss_typename_param_k T, ss_typename_param_k A>
|
|
inline us_char_a_t const* c_str_ptr_null_a(unixstl_ns_qual(basic_path)<us_char_a_t, T, A> const& b)
|
|
{
|
|
return stlsoft_ns_qual(c_str_ptr_null_a)(b.c_str());
|
|
}
|
|
template <ss_typename_param_k T, ss_typename_param_k A>
|
|
inline us_char_w_t const* c_str_ptr_null_w(unixstl_ns_qual(basic_path)<us_char_w_t, T, A> const& b)
|
|
{
|
|
return stlsoft_ns_qual(c_str_ptr_null_w)(b.c_str());
|
|
}
|
|
|
|
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
|
|
|
|
|
|
|
|
|
|
|
|
/** \ref group__concept__shim__stream_insertion "stream insertion shim" for unixstl::basic_path
|
|
*
|
|
* \ingroup group__concept__shim__stream_insertion
|
|
*/
|
|
template< ss_typename_param_k S
|
|
, ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline S& operator <<(S& s, unixstl_ns_qual(basic_path)<C, T, A> const& b)
|
|
{
|
|
s << b.c_str();
|
|
|
|
return s;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Unit-testing
|
|
|
|
#ifdef STLSOFT_UNITTEST
|
|
# include "./unittest/path_unittest_.h"
|
|
#endif /* STLSOFT_UNITTEST */
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Implementation
|
|
|
|
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
|
|
|
|
# if defined(STLSOFT_COMPILER_IS_MSVC) && \
|
|
_MSC_VER >= 1300
|
|
# pragma warning(push)
|
|
# pragma warning(disable : 4702)
|
|
# endif /* compiler*/
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline /* static */ ss_typename_param_k basic_path<C, T, A>::char_type const* basic_path<C, T, A>::next_slash_or_end(ss_typename_param_k basic_path<C, T, A>::char_type const* p)
|
|
{
|
|
for(; ; ++p)
|
|
{
|
|
switch(*p)
|
|
{
|
|
case '/':
|
|
#ifdef _WIN32
|
|
case '\\':
|
|
#endif /* _WIN32 */
|
|
++p;
|
|
case '\0':
|
|
return p;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
# if defined(STLSOFT_COMPILER_IS_MSVC) && \
|
|
_MSC_VER >= 1300
|
|
# pragma warning(pop)
|
|
# endif /* compiler*/
|
|
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline /* static */ ss_typename_param_k basic_path<C, T, A>::char_type basic_path<C, T, A>::path_name_separator_alt()
|
|
{
|
|
return '\\';
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline void basic_path<C, T, A>::swap(basic_path<C, T, A>& rhs)
|
|
{
|
|
m_buffer.swap(rhs.m_buffer);
|
|
std_swap(m_len, rhs.m_len);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline
|
|
ss_typename_param_k basic_path<C, T, A>::class_type&
|
|
basic_path<C, T, A>::concat_(
|
|
ss_typename_param_k basic_path<C, T, A>::char_type const* rhs
|
|
, ss_typename_param_k basic_path<C, T, A>::size_type cch
|
|
)
|
|
{
|
|
traits_type::char_copy(&m_buffer[0] + m_len, rhs, cch);
|
|
m_len += cch;
|
|
m_buffer[m_len] = '\0';
|
|
|
|
return *this;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>::basic_path()
|
|
: m_len(0)
|
|
{
|
|
m_buffer[0] = '\0';
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline /* ss_explicit_k */ basic_path<C, T, A>::basic_path(ss_typename_type_k basic_path<C, T, A>::char_type const* path)
|
|
: m_len(0)
|
|
{
|
|
if(NULL != path)
|
|
{
|
|
size_type cch = traits_type::str_len(path);
|
|
|
|
UNIXSTL_MESSAGE_ASSERT("path too long", cch < m_buffer.size());
|
|
|
|
traits_type::char_copy(&m_buffer[0], path, cch);
|
|
|
|
m_len = cch;
|
|
}
|
|
|
|
m_buffer[m_len] = '\0';
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>::basic_path( ss_typename_type_k basic_path<C, T, A>::char_type const* path
|
|
, ss_typename_type_k basic_path<C, T, A>::size_type cch)
|
|
: m_len(cch)
|
|
{
|
|
UNIXSTL_ASSERT((NULL != path) || (0 == cch));
|
|
|
|
if(0 != cch)
|
|
{
|
|
UNIXSTL_MESSAGE_ASSERT("path too long", cch < m_buffer.size());
|
|
|
|
traits_type::char_copy(&m_buffer[0], path, cch);
|
|
}
|
|
m_buffer[cch] = '\0';
|
|
}
|
|
|
|
#ifndef STLSOFT_CF_NO_COPY_CTOR_AND_COPY_CTOR_TEMPLATE_OVERLOAD
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>::basic_path(basic_path<C, T, A> const& rhs)
|
|
: m_len(rhs.m_len)
|
|
{
|
|
traits_type::char_copy(&m_buffer[0], rhs.m_buffer.c_str(), rhs.m_len + 1); // +1 to get the NUL terminator
|
|
}
|
|
#endif /* !STLSOFT_CF_NO_COPY_CTOR_AND_COPY_CTOR_TEMPLATE_OVERLOAD */
|
|
|
|
#ifndef STLSOFT_CF_NO_COPY_CTOR_AND_COPY_CTOR_TEMPLATE_OVERLOAD
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::operator =(basic_path<C, T, A> const& path)
|
|
{
|
|
class_type newPath(path);
|
|
|
|
swap(newPath);
|
|
|
|
return *this;
|
|
}
|
|
#endif /* !STLSOFT_CF_NO_COPY_CTOR_AND_COPY_CTOR_TEMPLATE_OVERLOAD */
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::operator =(ss_typename_type_k basic_path<C, T, A>::char_type const* path)
|
|
{
|
|
return operator_equal_(path);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::operator_equal_(ss_typename_type_k basic_path<C, T, A>::char_type const* path)
|
|
{
|
|
class_type newPath(path);
|
|
|
|
swap(newPath);
|
|
|
|
return *this;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline /* static */ ss_typename_type_ret_k basic_path<C, T, A>::class_type basic_path<C, T, A>::root(ss_typename_type_k basic_path<C, T, A>::char_type const* s)
|
|
{
|
|
return class_type(s);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::push(class_type const& rhs, us_bool_t bAddPathNameSeparator /* = false */)
|
|
{
|
|
return push(rhs.c_str(), bAddPathNameSeparator);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::push(char_type const* rhs, us_bool_t bAddPathNameSeparator /* = false */)
|
|
{
|
|
UNIXSTL_ASSERT(NULL != rhs);
|
|
|
|
if('\0' != *rhs)
|
|
{
|
|
if(traits_type::is_path_rooted(rhs))
|
|
{
|
|
class_type newPath(rhs);
|
|
|
|
swap(newPath);
|
|
}
|
|
else
|
|
{
|
|
class_type newPath(*this);
|
|
|
|
newPath.push_sep();
|
|
newPath.concat_(rhs, traits_type::str_len(rhs));
|
|
if(bAddPathNameSeparator)
|
|
{
|
|
newPath.push_sep();
|
|
}
|
|
|
|
swap(newPath);
|
|
}
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
#if 0
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::push_ext(class_type const& rhs, us_bool_t bAddPathNameSeparator /* = false */)
|
|
{
|
|
}
|
|
#endif /* 0 */
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::push_ext(char_type const* rhs, us_bool_t bAddPathNameSeparator /* = false */)
|
|
{
|
|
UNIXSTL_ASSERT(NULL != rhs);
|
|
|
|
class_type newPath(*this);
|
|
|
|
newPath.pop_sep();
|
|
if('.' != *rhs)
|
|
{
|
|
static char_type const s_dot[] = { '.', '\0' };
|
|
|
|
newPath.concat_(&s_dot[0], 1u);
|
|
}
|
|
newPath.concat_(rhs, traits_type::str_len(rhs));
|
|
if(bAddPathNameSeparator)
|
|
{
|
|
newPath.push_sep();
|
|
}
|
|
|
|
swap(newPath);
|
|
|
|
return *this;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::push_sep()
|
|
{
|
|
if(0 != m_len)
|
|
{
|
|
if(traits_type::path_name_separator() != m_buffer[m_len - 1])
|
|
{
|
|
#ifdef _WIN32
|
|
if(path_name_separator_alt() != m_buffer[m_len - 1])
|
|
#endif /* _WIN32 */
|
|
{
|
|
UNIXSTL_ASSERT(m_len + 1 < m_buffer.size());
|
|
|
|
m_buffer[m_len] = traits_type::path_name_separator();
|
|
m_buffer[m_len + 1] = '\0';
|
|
++m_len;
|
|
}
|
|
}
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::pop(us_bool_t bRemoveTrailingPathNameSeparator /* = true */)
|
|
{
|
|
char_type *slash = traits_type::str_rchr(m_buffer.c_str(), traits_type::path_name_separator());
|
|
#ifdef _WIN32
|
|
char_type *slash_a = traits_type::str_rchr(m_buffer.c_str(), path_name_separator_alt());
|
|
|
|
if(slash_a > slash)
|
|
{
|
|
slash = slash_a;
|
|
}
|
|
#endif /* _WIN32 */
|
|
|
|
if(NULL != slash)
|
|
{
|
|
*(slash + 1) = '\0';
|
|
m_len = static_cast<size_type>((slash + 1) - m_buffer.c_str());
|
|
}
|
|
else
|
|
{
|
|
clear();
|
|
}
|
|
|
|
if(bRemoveTrailingPathNameSeparator)
|
|
{
|
|
this->pop_sep();
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::pop_sep()
|
|
{
|
|
if(0 != m_len)
|
|
{
|
|
if( 1 == m_len &&
|
|
traits_type::is_path_name_separator(m_buffer[0]))
|
|
{
|
|
// It's / or \ - ignore
|
|
}
|
|
#ifdef _WIN32
|
|
else if(3 == m_len &&
|
|
':' == m_buffer[1] &&
|
|
traits_type::is_path_name_separator(m_buffer[2]))
|
|
{
|
|
// It's drive rooted - ignore
|
|
}
|
|
#endif /* _WIN32 */
|
|
else
|
|
{
|
|
char_type* last = &m_buffer[m_len - 1];
|
|
|
|
if(*last == traits_type::path_name_separator())
|
|
{
|
|
m_buffer[m_len-- - 1] = '\0';
|
|
}
|
|
#ifdef _WIN32
|
|
else if(*last == path_name_separator_alt())
|
|
{
|
|
m_buffer[m_len-- - 1] = '\0';
|
|
}
|
|
#endif /* _WIN32 */
|
|
}
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::pop_ext()
|
|
{
|
|
{ for(us_size_t len = m_len; 0 != len; --len)
|
|
{
|
|
char_type* last = &m_buffer[len - 1];
|
|
|
|
if(traits_type::is_path_name_separator(*last))
|
|
{
|
|
break;
|
|
}
|
|
else if('.' == *last)
|
|
{
|
|
m_len = len - 1;
|
|
|
|
m_buffer[m_len] = '\0';
|
|
|
|
break;
|
|
}
|
|
}}
|
|
|
|
return *this;
|
|
}
|
|
|
|
|
|
#if !defined(STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT) || \
|
|
defined(STLSOFT_CF_MEMBER_TEMPLATE_OVERLOAD_DISCRIMINATED)
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::operator /=(basic_path<C, T, A> const& path)
|
|
{
|
|
return push(path);
|
|
}
|
|
|
|
#endif /* !STLSOFT_CF_MEMBER_TEMPLATE_FUNCTION_SUPPORT || STLSOFT_CF_MEMBER_TEMPLATE_OVERLOAD_DISCRIMINATED */
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::operator /=(ss_typename_type_k basic_path<C, T, A>::char_type const* path)
|
|
{
|
|
return push(path);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline void basic_path<C, T, A>::clear()
|
|
{
|
|
m_buffer[0] = '\0';
|
|
m_len = 0;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::make_absolute(us_bool_t bRemoveTrailingPathNameSeparator /* = true */)
|
|
{
|
|
if(0 != size())
|
|
{
|
|
buffer_type_ buffer;
|
|
size_type cch = traits_type::get_full_path_name(c_str(), buffer.size(), &buffer[0]);
|
|
|
|
if(0 == cch)
|
|
{
|
|
#ifdef STLSOFT_CF_EXCEPTION_SUPPORT
|
|
STLSOFT_THROW_X(unix_exception("could not determine the absolute path", errno));
|
|
#else /* ?STLSOFT_CF_EXCEPTION_SUPPORT */
|
|
return *this;
|
|
#endif /* STLSOFT_CF_EXCEPTION_SUPPORT */
|
|
}
|
|
|
|
class_type newPath(buffer.c_str(), cch);
|
|
|
|
if(bRemoveTrailingPathNameSeparator)
|
|
{
|
|
newPath.pop_sep();
|
|
}
|
|
|
|
swap(newPath);
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline basic_path<C, T, A>& basic_path<C, T, A>::canonicalise(us_bool_t bRemoveTrailingPathNameSeparator /* = true */)
|
|
{
|
|
class_type newPath(*this);
|
|
|
|
#ifdef _DEBUG
|
|
memset(&newPath.m_buffer[0], '~', newPath.m_buffer.size());
|
|
#endif /* _DEBUG */
|
|
|
|
// Basically we scan through the path looking for ./ .\ ..\ and ../
|
|
|
|
#ifdef STLSOFT_LF_ALLOCATOR_REBIND_SUPPORT
|
|
typedef ss_typename_type_k A::ss_template_qual_k rebind<part>::other part_ator_type;
|
|
#else /* ? STLSOFT_LF_ALLOCATOR_REBIND_SUPPORT */
|
|
typedef ss_typename_type_k allocator_selector<part>::allocator_type part_ator_type;
|
|
#endif /* STLSOFT_LF_ALLOCATOR_REBIND_SUPPORT */
|
|
|
|
typedef stlsoft_ns_qual(auto_buffer_old)< part
|
|
, part_ator_type
|
|
> part_buffer_t;
|
|
|
|
part_buffer_t parts(this->length() / 2); // Uncanonicalised directory parts
|
|
char_type* dest = &newPath.m_buffer[0];
|
|
char_type const* p1 = this->c_str();
|
|
char_type const* p2;
|
|
|
|
if(this->is_absolute())
|
|
{
|
|
#ifdef _WIN32
|
|
if(traits_type::is_path_UNC(this->c_str()))
|
|
{
|
|
UNIXSTL_ASSERT('\\' == m_buffer[0]);
|
|
UNIXSTL_ASSERT('\\' == m_buffer[1]);
|
|
UNIXSTL_ASSERT('\\' != m_buffer[2]);
|
|
|
|
char_type const* slash0 = next_slash_or_end(&m_buffer[3]);
|
|
char_type const* slash1 = next_slash_or_end(slash0);
|
|
|
|
for(us_size_t i = 0, n = slash1 - &m_buffer[0]; i < n; ++i)
|
|
{
|
|
*dest++ = *p1++;
|
|
}
|
|
}
|
|
else if( isalpha(m_buffer[0]) &&
|
|
':' == m_buffer[1])
|
|
{
|
|
// Copy over the drive letter, colon and slash
|
|
*dest++ = *p1++;
|
|
*dest++ = *p1++;
|
|
*dest++ = *p1++;
|
|
}
|
|
else
|
|
#endif /* _WIN32 */
|
|
{
|
|
*dest++ = traits_type::path_name_separator();
|
|
++p1;
|
|
}
|
|
}
|
|
|
|
// 1. Parse the path into an uncanonicalised sequence of directory parts
|
|
{
|
|
size_type i = 0;
|
|
|
|
for(; '\0' != *p1; ++i)
|
|
{
|
|
p2 = next_slash_or_end(p1);
|
|
|
|
parts[i].len = static_cast<size_type>(p2 - p1);
|
|
parts[i].p = p1;
|
|
parts[i].type = part::normal;
|
|
switch(parts[i].len)
|
|
{
|
|
case 1:
|
|
if('.' == p1[0])
|
|
{
|
|
parts[i].type = part::dot;
|
|
}
|
|
break;
|
|
case 2:
|
|
if('.' == p1[0])
|
|
{
|
|
if('.' == p1[1])
|
|
{
|
|
parts[i].type = part::dotdot;
|
|
}
|
|
else if(traits_type::path_name_separator() == p1[1])
|
|
{
|
|
parts[i].type = part::dot;
|
|
}
|
|
#ifdef _WIN32
|
|
else if(path_name_separator_alt() == p1[1])
|
|
{
|
|
parts[i].type = part::dot;
|
|
}
|
|
#endif /* _WIN32 */
|
|
}
|
|
break;
|
|
case 3:
|
|
if( '.' == p1[0] &&
|
|
'.' == p1[1])
|
|
{
|
|
if(traits_type::path_name_separator() == p1[2])
|
|
{
|
|
parts[i].type = part::dotdot;
|
|
}
|
|
#ifdef _WIN32
|
|
else if(path_name_separator_alt() == p1[2])
|
|
{
|
|
parts[i].type = part::dotdot;
|
|
}
|
|
#endif /* _WIN32 */
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
p1 = p2;
|
|
}
|
|
|
|
parts.resize(i);
|
|
}
|
|
|
|
// 2. Process the parts into a canonicalised sequence
|
|
{
|
|
size_type i = 0;
|
|
|
|
for(i = 0; i < parts.size(); ++i)
|
|
{
|
|
switch(parts[i].type)
|
|
{
|
|
case part::dot:
|
|
parts[i].len = 0;
|
|
break;
|
|
case part::dotdot:
|
|
// Now need to track back and find a prior normal element
|
|
{
|
|
size_type prior;
|
|
|
|
for(prior = i; ; )
|
|
{
|
|
if(0 == prior)
|
|
{
|
|
STLSOFT_THROW_X(unixstl_ns_qual_std(invalid_argument)("No prior part to \"..\" for path canonicalisation"));
|
|
}
|
|
else
|
|
{
|
|
--prior;
|
|
|
|
if( part::normal == parts[prior].type &&
|
|
0 != parts[prior].len)
|
|
{
|
|
parts[i].len = 0;
|
|
parts[prior].len = 0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case part::normal:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// 3. Write out all the parts back into the new path instance
|
|
{
|
|
size_type i = 0;
|
|
|
|
#ifdef _DEBUG
|
|
memset(dest, '~', newPath.m_buffer.size() - (dest - &newPath.m_buffer[0]));
|
|
#endif /* _DEBUG */
|
|
|
|
for(i = 0; i < parts.size(); ++i)
|
|
{
|
|
traits_type::char_copy(dest, parts[i].p, parts[i].len);
|
|
|
|
dest += parts[i].len;
|
|
}
|
|
|
|
*dest = '\0';
|
|
newPath.m_len = dest - newPath.c_str();
|
|
}
|
|
|
|
if(bRemoveTrailingPathNameSeparator)
|
|
{
|
|
newPath.pop_sep();
|
|
}
|
|
|
|
swap(newPath);
|
|
|
|
return *this;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline ss_typename_type_ret_k basic_path<C, T, A>::char_type const* basic_path<C, T, A>::get_file() const
|
|
{
|
|
char_type const* slash = traits_type::str_rchr(m_buffer.c_str(), traits_type::path_name_separator());
|
|
char_type const* slash_a = traits_type::str_rchr(m_buffer.c_str(), path_name_separator_alt());
|
|
|
|
if(slash_a > slash)
|
|
{
|
|
slash = slash_a;
|
|
}
|
|
|
|
if(NULL == slash)
|
|
{
|
|
slash = m_buffer.c_str();
|
|
}
|
|
else
|
|
{
|
|
++slash;
|
|
}
|
|
|
|
return slash;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline ss_typename_type_ret_k basic_path<C, T, A>::char_type const* basic_path<C, T, A>::get_ext() const
|
|
{
|
|
char_type const *dot = traits_type::str_rchr(this->c_str(), '.');
|
|
char_type const *file = get_file();
|
|
static const char_type s_empty[1] = { '\0' };
|
|
|
|
if(NULL == dot)
|
|
{
|
|
return s_empty;
|
|
}
|
|
else if(dot < file)
|
|
{
|
|
return s_empty;
|
|
}
|
|
else
|
|
{
|
|
return dot + 1;
|
|
}
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline ss_typename_type_ret_k basic_path<C, T, A>::size_type basic_path<C, T, A>::length() const
|
|
{
|
|
return m_len;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline ss_typename_type_ret_k basic_path<C, T, A>::size_type basic_path<C, T, A>::size() const
|
|
{
|
|
return length();
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline ss_typename_type_ret_k basic_path<C, T, A>::size_type
|
|
/* static */ basic_path<C, T, A>::max_size()
|
|
{
|
|
return buffer_type_::max_size() - 1u;
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline ss_typename_type_ret_k basic_path<C, T, A>::bool_type basic_path<C, T, A>::empty() const
|
|
{
|
|
return 0 == size();
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline ss_typename_type_ret_k basic_path<C, T, A>::char_type const* basic_path<C, T, A>::c_str() const
|
|
{
|
|
return m_buffer.c_str();
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline ss_typename_type_ret_k basic_path<C, T, A>::char_type const& basic_path<C, T, A>::operator [](ss_typename_type_k basic_path<C, T, A>::size_type index) const
|
|
{
|
|
UNIXSTL_MESSAGE_ASSERT("Index out of range", !(size() < index));
|
|
|
|
return c_str()[index];
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t basic_path<C, T, A>::exists() const
|
|
{
|
|
return traits_type::file_exists(this->c_str());
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t basic_path<C, T, A>::is_rooted() const
|
|
{
|
|
return traits_type::is_path_rooted(this->c_str());
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t basic_path<C, T, A>::is_absolute() const
|
|
{
|
|
return traits_type::is_path_absolute(this->c_str());
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t basic_path<C, T, A>::has_sep() const
|
|
{
|
|
return this->empty() ? false : traits_type::has_dir_end(this->c_str() + (this->size() - 1));
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline ss_typename_type_ret_k basic_path<C, T, A>::size_type basic_path<C, T, A>::copy(ss_typename_type_k basic_path<C, T, A>::char_type *buffer, ss_typename_type_k basic_path<C, T, A>::size_type cchBuffer) const
|
|
{
|
|
return stlsoft_ns_qual(copy_contents)(buffer, cchBuffer, m_buffer.data(), m_len);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t basic_path<C, T, A>::equivalent(basic_path<C, T, A> const& rhs) const
|
|
{
|
|
return equivalent(rhs.c_str());
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t basic_path<C, T, A>::equivalent(ss_typename_type_k basic_path<C, T, A>::char_type const* rhs) const
|
|
{
|
|
class_type lhs_(*this);
|
|
class_type rhs_(rhs);
|
|
|
|
return lhs_.make_absolute(false).canonicalise(true) == rhs_.make_absolute(false).canonicalise(true);
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t basic_path<C, T, A>::equal(basic_path<C, T, A> const& rhs) const
|
|
{
|
|
return equal(rhs.c_str());
|
|
}
|
|
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline us_bool_t basic_path<C, T, A>::equal(ss_typename_type_k basic_path<C, T, A>::char_type const* rhs) const
|
|
{
|
|
return 0 == traits_type::str_compare(m_buffer.c_str(), stlsoft_ns_qual(c_str_ptr)(rhs));
|
|
}
|
|
|
|
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
|
|
|
|
/* ////////////////////////////////////////////////////////////////////// */
|
|
|
|
#ifndef _UNIXSTL_NO_NAMESPACE
|
|
# if defined(_STLSOFT_NO_NAMESPACE) || \
|
|
defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
|
|
} // namespace unixstl
|
|
# else
|
|
} // namespace unixstl_project
|
|
} // namespace stlsoft
|
|
# endif /* _STLSOFT_NO_NAMESPACE */
|
|
#endif /* !_UNIXSTL_NO_NAMESPACE */
|
|
|
|
/* In the special case of Intel behaving as VC++ 7.0 or earlier on Win32, we
|
|
* illegally insert into the std namespace.
|
|
*/
|
|
#if defined(STLSOFT_CF_std_NAMESPACE)
|
|
# if ( ( defined(STLSOFT_COMPILER_IS_INTEL) && \
|
|
defined(_MSC_VER))) && \
|
|
_MSC_VER < 1310
|
|
namespace std
|
|
{
|
|
template< ss_typename_param_k C
|
|
, ss_typename_param_k T
|
|
, ss_typename_param_k A
|
|
>
|
|
inline void swap(unixstl_ns_qual(basic_path)<C, T, A>& lhs, unixstl_ns_qual(basic_path)<C, T, A>& rhs)
|
|
{
|
|
lhs.swap(rhs);
|
|
}
|
|
} // namespace std
|
|
# endif /* INTEL && _MSC_VER < 1310 */
|
|
#endif /* STLSOFT_CF_std_NAMESPACE */
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Namespace
|
|
*
|
|
* The string access shims exist either in the stlsoft namespace, or in the
|
|
* global namespace. This is required by the lookup rules.
|
|
*
|
|
*/
|
|
|
|
#ifndef _UNIXSTL_NO_NAMESPACE
|
|
# if !defined(_STLSOFT_NO_NAMESPACE) && \
|
|
!defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
|
|
namespace stlsoft
|
|
{
|
|
# else /* ? _STLSOFT_NO_NAMESPACE */
|
|
/* There is no stlsoft namespace, so must define in the global namespace */
|
|
# endif /* !_STLSOFT_NO_NAMESPACE */
|
|
|
|
using ::unixstl::c_str_data;
|
|
using ::unixstl::c_str_data_a;
|
|
using ::unixstl::c_str_data_w;
|
|
|
|
using ::unixstl::c_str_len;
|
|
using ::unixstl::c_str_len_a;
|
|
using ::unixstl::c_str_len_w;
|
|
|
|
using ::unixstl::c_str_ptr;
|
|
using ::unixstl::c_str_ptr_a;
|
|
using ::unixstl::c_str_ptr_w;
|
|
|
|
using ::unixstl::c_str_ptr_null;
|
|
using ::unixstl::c_str_ptr_null_a;
|
|
using ::unixstl::c_str_ptr_null_w;
|
|
|
|
# if !defined(_STLSOFT_NO_NAMESPACE) && \
|
|
!defined(STLSOFT_DOCUMENTATION_SKIP_SECTION)
|
|
} // namespace stlsoft
|
|
# else /* ? _STLSOFT_NO_NAMESPACE */
|
|
/* There is no stlsoft namespace, so must define in the global namespace */
|
|
# endif /* !_STLSOFT_NO_NAMESPACE */
|
|
#endif /* !_UNIXSTL_NO_NAMESPACE */
|
|
|
|
/* ////////////////////////////////////////////////////////////////////// */
|
|
|
|
#endif /* UNIXSTL_INCL_UNIXSTL_FILESYSTEM_HPP_PATH */
|
|
|
|
/* ///////////////////////////// end of file //////////////////////////// */
|