epoc32/include/stdapis/boost/archive/basic_text_oprimitive.hpp
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
permissions -rw-r--r--
Final list of Symbian^2 public API header files
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#ifndef BOOST_ARCHIVE_BASIC_TEXT_OPRIMITIVE_HPP
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#define BOOST_ARCHIVE_BASIC_TEXT_OPRIMITIVE_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// basic_text_oprimitive.hpp
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See 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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//  See http://www.boost.org for updates, documentation, and revision history.
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// archives stored as text - note these ar templated on the basic
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// stream templates to accommodate wide (and other?) kind of characters
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//
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// note the fact that on libraries without wide characters, ostream is
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// is not a specialization of basic_ostream which in fact is not defined
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// in such cases.   So we can't use basic_ostream<OStream::char_type> but rather
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// use two template parameters
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#include <iomanip>
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#include <locale>
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#include <cstddef> // size_t
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#include <cmath> // isnan
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#include <cassert>
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#include <boost/config.hpp>
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#include <boost/detail/workaround.hpp>
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#if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1)
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#include <boost/archive/dinkumware.hpp>
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#endif
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#if defined(BOOST_NO_STDC_NAMESPACE)
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namespace std{ 
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    using ::size_t;
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    #if ! defined(BOOST_DINKUMWARE_STDLIB) && ! defined(__SGI_STL_PORT)
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        using ::locale;
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    #endif
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} // namespace std
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#endif
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#include <boost/limits.hpp>
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#include <boost/io/ios_state.hpp>
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#include <boost/scoped_ptr.hpp>
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#include <boost/throw_exception.hpp>
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#include <boost/archive/archive_exception.hpp>
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#include <boost/archive/detail/abi_prefix.hpp> // must be the last header
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namespace boost {
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namespace archive {
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class save_access;
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/////////////////////////////////////////////////////////////////////////
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// class basic_text_oprimitive - output of prmitives to stream
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template<class OStream>
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class basic_text_oprimitive
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{
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#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
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protected:
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#else
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public:
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#endif
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    OStream &os;
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    io::ios_flags_saver flags_saver;
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    io::ios_precision_saver precision_saver;
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    boost::scoped_ptr<std::locale> archive_locale;
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    io::basic_ios_locale_saver<
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        BOOST_DEDUCED_TYPENAME OStream::char_type, BOOST_DEDUCED_TYPENAME OStream::traits_type
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    > locale_saver;
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    // default saving of primitives.
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    template<class T>
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    void save(const T &t){
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        if(os.fail())
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            boost::throw_exception(archive_exception(archive_exception::stream_error));
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        os << t;
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    }
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    /////////////////////////////////////////////////////////
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    // fundamental types that need special treatment
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    void save(const bool t){
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        // trap usage of invalid uninitialized boolean which would
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        // otherwise crash on load.
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        int i = t;
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        assert(0 == i || 1 == i);
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        if(os.fail())
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            boost::throw_exception(archive_exception(archive_exception::stream_error));
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        os << t;
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    }
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    void save(const signed char t)
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    {
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        if(os.fail())
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            boost::throw_exception(archive_exception(archive_exception::stream_error));
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        os << static_cast<short int>(t);
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    }
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    void save(const unsigned char t)
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    {
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        if(os.fail())
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            boost::throw_exception(archive_exception(archive_exception::stream_error));
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        os << static_cast<short unsigned int>(t);
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    }
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    void save(const char t)
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    {
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        if(os.fail())
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            boost::throw_exception(archive_exception(archive_exception::stream_error));
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        os << static_cast<short int>(t);
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    }
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    #ifndef BOOST_NO_INTRINSIC_WCHAR_T
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    void save(const wchar_t t)
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    {
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        if(os.fail())
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            boost::throw_exception(archive_exception(archive_exception::stream_error));
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        os << static_cast<int>(t);
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    }
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    #endif
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    void save(const float t)
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    {
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        // must be a user mistake - can't serialize un-initialized data
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        if(os.fail())
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            boost::throw_exception(archive_exception(archive_exception::stream_error));
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        os << std::setprecision(std::numeric_limits<float>::digits10 + 2);
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        os << t;
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    }
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    void save(const double t)
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    {
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        // must be a user mistake - can't serialize un-initialized data
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        if(os.fail())
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            boost::throw_exception(archive_exception(archive_exception::stream_error));
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        os << std::setprecision(std::numeric_limits<double>::digits10 + 2);
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        os << t;
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    }
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    BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
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    basic_text_oprimitive(OStream & os, bool no_codecvt);
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    BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY()) 
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    ~basic_text_oprimitive();
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public:
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    // unformatted append of one character
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    void put(int c){
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        if(os.fail())
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            boost::throw_exception(archive_exception(archive_exception::stream_error));
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        os.put(c);
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    }
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    // unformatted append of null terminated string
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    void put(const char * s){
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        if(os.fail())
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            boost::throw_exception(archive_exception(archive_exception::stream_error));
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        while('\0' != *s)
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            os.put(*s++);
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    }
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    BOOST_ARCHIVE_OR_WARCHIVE_DECL(void) 
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    save_binary(const void *address, std::size_t count);
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};
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} //namespace boost 
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} //namespace archive 
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#include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
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#endif // BOOST_ARCHIVE_BASIC_TEXT_OPRIMITIVE_HPP