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325 lines
9.7 KiB
325 lines
9.7 KiB
/* /////////////////////////////////////////////////////////////////////////
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* File: pantheios/inserters/boolean.hpp
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*
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* Purpose: String inserter for booleans.
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*
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* Created: 3rd August 2008
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* Updated: 18th June 2012
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*
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* Home: http://www.pantheios.org/
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*
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* Copyright (c) 2008-2012, 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
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* met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* - Neither the names of Matthew Wilson and Synesis Software nor the names
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* of any contributors may be used to endorse or promote products derived
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* from 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
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ////////////////////////////////////////////////////////////////////// */
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/** \file pantheios/inserters/boolean.hpp
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*
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* [C++ only] String inserter for booleans.
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*/
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#ifndef PANTHEIOS_INCL_PANTHEIOS_INSERTERS_HPP_BOOLEAN
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#define PANTHEIOS_INCL_PANTHEIOS_INSERTERS_HPP_BOOLEAN
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/* /////////////////////////////////////////////////////////////////////////
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* Version information
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*/
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#ifndef PANTHEIOS_DOCUMENTATION_SKIP_SECTION
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# define PANTHEIOS_VER_PANTHEIOS_INSERTERS_HPP_BOOLEAN_MAJOR 1
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# define PANTHEIOS_VER_PANTHEIOS_INSERTERS_HPP_BOOLEAN_MINOR 3
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# define PANTHEIOS_VER_PANTHEIOS_INSERTERS_HPP_BOOLEAN_REVISION 3
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# define PANTHEIOS_VER_PANTHEIOS_INSERTERS_HPP_BOOLEAN_EDIT 17
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#endif /* !PANTHEIOS_DOCUMENTATION_SKIP_SECTION */
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/* /////////////////////////////////////////////////////////////////////////
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* Includes
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*/
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#ifndef PANTHEIOS_INCL_PANTHEIOS_H_PANTHEIOS
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# include <pantheios/pantheios.h>
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#endif /* !PANTHEIOS_INCL_PANTHEIOS_H_PANTHEIOS */
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#ifndef STLSOFT_INCL_STLSOFT_SHIMS_ACCESS_STRING_H_FWD
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# include <stlsoft/shims/access/string/fwd.h>
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#endif /* !STLSOFT_INCL_STLSOFT_SHIMS_ACCESS_STRING_H_FWD */
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/* /////////////////////////////////////////////////////////////////////////
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* Namespace
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*/
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#if !defined(PANTHEIOS_NO_NAMESPACE)
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namespace pantheios
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{
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#else /* ? !PANTHEIOS_NO_NAMESPACE */
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# if defined(__RPCNDR_H__)
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# error pantheios::boolean may not be used with Windows when namespace is suspended. If you are including pantheios/inserters.hpp, try including only those specific inserter files that you need
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# endif /* rpcndr.h */
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#endif /* !PANTHEIOS_NO_NAMESPACE */
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/* /////////////////////////////////////////////////////////////////////////
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* Classes
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*/
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/** Class for inserting Boolean types into Pantheios diagnostic logging
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* statements.
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*
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* \ingroup group__application_layer_interface__inserters
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*
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* Consider the following statement:
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*
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* \code
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char s[] = "abc";
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std::string str("def");
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bool b = false;
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pantheios::log(pantheios::notice, "s=", s, ", b=", pantheios::boolean(b), ", str=", str);
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* \endcode
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*
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* This will produce the output:
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*
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* <b>s=abc, b=false, str=def</b>
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*
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* \note The class provides the static method set_value_strings() for
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* assigning user-defined strings to represent true and false values.
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*/
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class boolean
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{
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/// \name Member Types
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/// @{
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public:
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typedef boolean class_type;
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/// @}
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/// \name Construction
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/// @{
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public:
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/// Construct from a boolean value
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///
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/// \param value The boolean whose value will be represented as a string
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explicit boolean(bool value)
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: m_value(value)
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{}
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private:
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class_type& operator =(class_type const&);
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/// @}
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/// \name Control
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/// @{
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public:
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static void set_value_strings(pan_char_t const* falseName, pan_char_t const* trueName) /* throw(std::bad_alloc) */;
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/// @}
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/// \name Accessors
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/// @{
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public:
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/// A possibly non-nul-terminated non-null pointer to the c-style string representation of the integer
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pan_char_t const* data() const
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{
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return get_slice_(m_value)->ptr;
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}
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/// A nul-terminated non-null pointer to the c-style string representation of the integer
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pan_char_t const* c_str() const
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{
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return get_slice_(m_value)->ptr;
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}
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/// The length of the c-style string representation of the integer
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size_t length() const
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{
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return get_slice_(m_value)->len;
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}
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/// @}
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/// \name Implementation
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/// @{
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private:
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virtual
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pan_slice_t const* get_slice_(bool value) const
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{
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return get_slice_(0, value);
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}
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protected:
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static pan_slice_t const* get_slice_(
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int index
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, bool value
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);
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/// @}
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/// \name Member Variables
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/// @{
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protected:
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const bool m_value;
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/// @}
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};
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/* /////////////////////////////////////////////////////////////////////////
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* Implementation
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*/
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/* /////////////////////////////////////////////////////////////////////////
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* String Access Shims
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*/
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#ifndef PANTHEIOS_DOCUMENTATION_SKIP_SECTION
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# if !defined(PANTHEIOS_NO_NAMESPACE)
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namespace shims
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{
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# endif /* !PANTHEIOS_NO_NAMESPACE */
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# ifdef PANTHEIOS_USE_WIDE_STRINGS
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/** \overload c_str_data_w(boolean const&) */
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inline wchar_t const* c_str_data_w(boolean const& b)
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{
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return b.data();
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}
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# else /* ? PANTHEIOS_USE_WIDE_STRINGS */
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/** \overload c_str_data_a(boolean const&) */
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inline char const* c_str_data_a(boolean const& b)
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{
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return b.data();
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}
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# endif /* PANTHEIOS_USE_WIDE_STRINGS */
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/** \overload c_str_data(boolean const&) */
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inline pan_char_t const* c_str_data(boolean const& b)
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{
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return b.data();
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}
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# ifdef PANTHEIOS_USE_WIDE_STRINGS
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/** \overload c_str_len_w(boolean const&) */
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inline size_t c_str_len_w(boolean const& b)
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{
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return b.length();
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}
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# else /* ? PANTHEIOS_USE_WIDE_STRINGS */
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/** \overload c_str_len_a(boolean const&) */
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inline size_t c_str_len_a(boolean const& b)
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{
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return b.length();
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}
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# endif /* PANTHEIOS_USE_WIDE_STRINGS */
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/** \overload c_str_len(boolean const&) */
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inline size_t c_str_len(boolean const& b)
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{
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return b.length();
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}
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# ifdef PANTHEIOS_USE_WIDE_STRINGS
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/** \overload c_str_ptr_w(boolean const&) */
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inline wchar_t const* c_str_ptr_w(boolean const& b)
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{
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return b.c_str();
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}
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# else /* ? PANTHEIOS_USE_WIDE_STRINGS */
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/** \overload c_str_ptr_a(boolean const&) */
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inline char const* c_str_ptr_a(boolean const& b)
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{
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return b.c_str();
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}
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# endif /* PANTHEIOS_USE_WIDE_STRINGS */
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/** \overload c_str_ptr(boolean const&) */
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inline pan_char_t const* c_str_ptr(boolean const& b)
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{
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return b.c_str();
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}
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# if !defined(PANTHEIOS_NO_NAMESPACE)
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} /* namespace shims */
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# if defined(STLSOFT_COMPILER_IS_GCC)
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/* GCC does not seem to correctly handle the phases of
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* processing of C++ templates, so we need to 'use' the
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* shims into the same namespace as the inserter class
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* in order that ADL can suffice instead.
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*/
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# ifdef PANTHEIOS_USE_WIDE_STRINGS
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using ::pantheios::shims::c_str_data_w;
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using ::pantheios::shims::c_str_len_w;
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using ::pantheios::shims::c_str_ptr_w;
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# else /* ? PANTHEIOS_USE_WIDE_STRINGS */
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using ::pantheios::shims::c_str_data_a;
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using ::pantheios::shims::c_str_len_a;
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using ::pantheios::shims::c_str_ptr_a;
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# endif /* PANTHEIOS_USE_WIDE_STRINGS */
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using ::pantheios::shims::c_str_data;
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using ::pantheios::shims::c_str_len;
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using ::pantheios::shims::c_str_ptr;
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# endif /* compiler */
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# endif /* !PANTHEIOS_NO_NAMESPACE */
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#endif /* !PANTHEIOS_DOCUMENTATION_SKIP_SECTION */
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/* /////////////////////////////////////////////////////////////////////////
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* Namespace
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*/
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#if !defined(PANTHEIOS_NO_NAMESPACE)
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} /* namespace pantheios */
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namespace stlsoft
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{
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// 'Export' the string access shims into the STLSoft namespace
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//
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// c_str_ptr(_a) is not necessary for version 1.0 of Pantheios, but it's
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// defined and exported in order to allow for the case where someone
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// may find a legitimate use for the conversion classes additional to
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// the type-tunneling of the Pantheios API.
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# ifdef PANTHEIOS_USE_WIDE_STRINGS
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using ::pantheios::shims::c_str_data_w;
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using ::pantheios::shims::c_str_len_w;
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using ::pantheios::shims::c_str_ptr_w;
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# else /* ? PANTHEIOS_USE_WIDE_STRINGS */
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using ::pantheios::shims::c_str_data_a;
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using ::pantheios::shims::c_str_len_a;
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using ::pantheios::shims::c_str_ptr_a;
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# endif /* PANTHEIOS_USE_WIDE_STRINGS */
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using ::pantheios::shims::c_str_data;
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using ::pantheios::shims::c_str_len;
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using ::pantheios::shims::c_str_ptr;
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}
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#endif /* !PANTHEIOS_NO_NAMESPACE */
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/* /////////////////////////////////////////////////////////////////////////
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* Inclusion
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*/
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#ifdef STLSOFT_PPF_pragma_once_SUPPORT
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# pragma once
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#endif /* STLSOFT_PPF_pragma_once_SUPPORT */
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/* ////////////////////////////////////////////////////////////////////// */
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#endif /* !PANTHEIOS_INCL_PANTHEIOS_INSERTERS_HPP_BOOLEAN */
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/* ///////////////////////////// end of file //////////////////////////// */
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