236 lines
9.5 KiB
C++
236 lines
9.5 KiB
C++
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//
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// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_LOCALE_GENERATOR_HPP
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#define BOOST_LOCALE_GENERATOR_HPP
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#include <boost/locale/config.hpp>
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#include <boost/cstdint.hpp>
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#ifdef BOOST_MSVC
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# pragma warning(push)
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# pragma warning(disable : 4275 4251 4231 4660)
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#endif
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#include <string>
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#include <locale>
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#include <memory>
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namespace boost {
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template<typename Type>
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class shared_ptr;
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///
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/// \brief This is the main namespace that encloses all localization classes
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///
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namespace locale {
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class localization_backend;
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class localization_backend_manager;
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static const uint32_t nochar_facet = 0; ///< Unspecified character category for character independent facets
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static const uint32_t char_facet = 1 << 0; ///< 8-bit character facets
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static const uint32_t wchar_t_facet = 1 << 1; ///< wide character facets
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static const uint32_t char16_t_facet = 1 << 2; ///< C++0x char16_t facets
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static const uint32_t char32_t_facet = 1 << 3; ///< C++0x char32_t facets
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static const uint32_t character_first_facet = char_facet; ///< First facet specific for character type
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static const uint32_t character_last_facet = char32_t_facet; ///< Last facet specific for character type
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static const uint32_t all_characters = 0xFFFF; ///< Special mask -- generate all
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typedef uint32_t character_facet_type; ///<type that specifies the character type that locales can be generated for
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static const uint32_t convert_facet = 1 << 0; ///< Generate conversion facets
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static const uint32_t collation_facet = 1 << 1; ///< Generate collation facets
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static const uint32_t formatting_facet= 1 << 2; ///< Generate numbers, currency, date-time formatting facets
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static const uint32_t parsing_facet = 1 << 3; ///< Generate numbers, currency, date-time formatting facets
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static const uint32_t message_facet = 1 << 4; ///< Generate message facets
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static const uint32_t codepage_facet = 1 << 5; ///< Generate character set conversion facets (derived from std::codecvt)
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static const uint32_t boundary_facet = 1 << 6; ///< Generate boundary analysis facet
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static const uint32_t per_character_facet_first = convert_facet; ///< First facet specific for character
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static const uint32_t per_character_facet_last = boundary_facet; ///< Last facet specific for character
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static const uint32_t calendar_facet = 1 << 16; ///< Generate boundary analysis facet
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static const uint32_t information_facet = 1 << 17; ///< Generate general locale information facet
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static const uint32_t non_character_facet_first = calendar_facet; ///< First character independent facet
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static const uint32_t non_character_facet_last = information_facet;///< Last character independent facet
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static const uint32_t all_categories = 0xFFFFFFFFu; ///< Generate all of them
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typedef uint32_t locale_category_type; ///< a type used for more fine grained generation of facets
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///
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/// \brief the major class used for locale generation
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///
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/// This class is used for specification of all parameters required for locale generation and
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/// caching. This class const member functions are thread safe if locale class implementation is thread safe.
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///
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class BOOST_LOCALE_DECL generator {
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public:
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///
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/// Create new generator using global localization_backend_manager
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///
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generator();
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///
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/// Create new generator using specific localization_backend_manager
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///
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generator(localization_backend_manager const &);
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~generator();
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///
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/// Set types of facets that should be generated, default all
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///
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void categories(locale_category_type cats);
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///
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/// Get types of facets that should be generated, default all
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///
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locale_category_type categories() const;
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///
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/// Set the characters type for which the facets should be generated, default all supported
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///
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void characters(character_facet_type chars);
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///
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/// Get the characters type for which the facets should be generated, default all supported
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///
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character_facet_type characters() const;
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///
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/// Add a new domain of messages that would be generated. It should be set in order to enable
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/// messages support.
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///
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/// Messages domain has following format: "name" or "name/encoding"
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/// where name is the base name of the "mo" file where the catalog is stored
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/// without ".mo" extension. For example for file \c /usr/share/locale/he/LC_MESSAGES/blog.mo
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/// it would be \c blog.
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///
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/// You can optionally specify the encoding of the keys in the sources by adding "/encoding_name"
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/// For example blog/cp1255.
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///
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/// If not defined all keys are assumed to be UTF-8 encoded.
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///
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/// \note When you select a domain for the program using dgettext or message API, you
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/// do not specify the encoding part. So for example if the provided
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/// domain name was "blog/windows-1255" then for translation
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/// you should use dgettext("blog","Hello")
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///
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///
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void add_messages_domain(std::string const &domain);
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///
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/// Set default message domain. If this member was not called, the first added messages domain is used.
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/// If the domain \a domain is not added yet it is added.
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///
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void set_default_messages_domain(std::string const &domain);
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///
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/// Remove all added domains from the list
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///
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void clear_domains();
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///
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/// Add a search path where dictionaries are looked in.
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///
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/// \note
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///
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/// - Under the Windows platform the path is treated as a path in the locale's encoding so
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/// if you create locale "en_US.windows-1251" then path would be treated as cp1255,
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/// and if it is en_US.UTF-8 it is treated as UTF-8. File name is always opened with
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/// a wide file name as wide file names are the native file name on Windows.
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///
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/// - Under POSIX platforms all paths passed as-is regardless of encoding as narrow
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/// encodings are the native encodings for POSIX platforms.
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///
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///
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void add_messages_path(std::string const &path);
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///
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/// Remove all added paths
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///
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void clear_paths();
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///
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/// Remove all cached locales
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///
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void clear_cache();
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///
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/// Turn locale caching ON
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///
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void locale_cache_enabled(bool on);
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///
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/// Get locale cache option
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///
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bool locale_cache_enabled() const;
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///
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/// Check if by default ANSI encoding is selected or UTF-8 onces. The default is false.
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///
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bool use_ansi_encoding() const;
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///
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/// Select ANSI encodings as default system encoding rather then UTF-8 by default
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/// under Windows.
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///
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/// The default is the most portable and most powerful encoding, UTF-8, but the user
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/// can select "system" one if dealing with legacy applications
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///
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void use_ansi_encoding(bool enc);
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///
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/// Generate a locale with id \a id
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///
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std::locale generate(std::string const &id) const;
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///
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/// Generate a locale with id \a id. Use \a base as a locale to which all facets are added,
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/// instead of std::locale::classic().
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///
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std::locale generate(std::locale const &base,std::string const &id) const;
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///
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/// Shortcut to generate(id)
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///
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std::locale operator()(std::string const &id) const
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{
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return generate(id);
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}
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///
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/// Set backend specific option
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///
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void set_option(std::string const &name,std::string const &value);
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///
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/// Clear backend specific options
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///
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void clear_options();
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private:
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void set_all_options(shared_ptr<localization_backend> backend,std::string const &id) const;
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generator(generator const &);
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void operator=(generator const &);
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struct data;
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std::auto_ptr<data> d;
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};
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}
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}
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#ifdef BOOST_MSVC
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#pragma warning(pop)
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#endif
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#endif
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// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4
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