epoc32/include/stdapis/boost/archive/basic_text_oprimitive.hpp
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:33:34 +0100
branchSymbian3
changeset 4 837f303aceeb
permissions -rw-r--r--
Current Symbian^3 public API header files (from PDK 3.0.h)
This is the epoc32/include tree with the "platform" subtrees removed, and
all but a selected few mbg and rsg files removed.
     1 #ifndef BOOST_ARCHIVE_BASIC_TEXT_OPRIMITIVE_HPP
     2 #define BOOST_ARCHIVE_BASIC_TEXT_OPRIMITIVE_HPP
     3 
     4 // MS compatible compilers support #pragma once
     5 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
     6 # pragma once
     7 #endif
     8 
     9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
    10 // basic_text_oprimitive.hpp
    11 
    12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
    13 // Use, modification and distribution is subject to the Boost Software
    14 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
    15 // http://www.boost.org/LICENSE_1_0.txt)
    16 
    17 //  See http://www.boost.org for updates, documentation, and revision history.
    18 
    19 // archives stored as text - note these ar templated on the basic
    20 // stream templates to accommodate wide (and other?) kind of characters
    21 //
    22 // note the fact that on libraries without wide characters, ostream is
    23 // is not a specialization of basic_ostream which in fact is not defined
    24 // in such cases.   So we can't use basic_ostream<OStream::char_type> but rather
    25 // use two template parameters
    26 
    27 #include <iomanip>
    28 #include <locale>
    29 #include <cstddef> // size_t
    30 #include <cmath> // isnan
    31 #include <cassert>
    32 
    33 #include <boost/config.hpp>
    34 #include <boost/detail/workaround.hpp>
    35 #if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1)
    36 #include <boost/archive/dinkumware.hpp>
    37 #endif
    38 
    39 #if defined(BOOST_NO_STDC_NAMESPACE)
    40 namespace std{ 
    41     using ::size_t;
    42     #if ! defined(BOOST_DINKUMWARE_STDLIB) && ! defined(__SGI_STL_PORT)
    43         using ::locale;
    44     #endif
    45 } // namespace std
    46 #endif
    47 
    48 #include <boost/limits.hpp>
    49 #include <boost/io/ios_state.hpp>
    50 #include <boost/scoped_ptr.hpp>
    51 #include <boost/throw_exception.hpp>
    52 #include <boost/archive/archive_exception.hpp>
    53 
    54 #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
    55 
    56 namespace boost {
    57 namespace archive {
    58 
    59 class save_access;
    60 
    61 /////////////////////////////////////////////////////////////////////////
    62 // class basic_text_oprimitive - output of prmitives to stream
    63 template<class OStream>
    64 class basic_text_oprimitive
    65 {
    66 #ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
    67 protected:
    68 #else
    69 public:
    70 #endif
    71     OStream &os;
    72     io::ios_flags_saver flags_saver;
    73     io::ios_precision_saver precision_saver;
    74     boost::scoped_ptr<std::locale> archive_locale;
    75     io::basic_ios_locale_saver<
    76         BOOST_DEDUCED_TYPENAME OStream::char_type, BOOST_DEDUCED_TYPENAME OStream::traits_type
    77     > locale_saver;
    78 
    79     // default saving of primitives.
    80     template<class T>
    81     void save(const T &t){
    82         if(os.fail())
    83             boost::throw_exception(archive_exception(archive_exception::stream_error));
    84         os << t;
    85     }
    86 
    87     /////////////////////////////////////////////////////////
    88     // fundamental types that need special treatment
    89     void save(const bool t){
    90         // trap usage of invalid uninitialized boolean which would
    91         // otherwise crash on load.
    92         int i = t;
    93         assert(0 == i || 1 == i);
    94         if(os.fail())
    95             boost::throw_exception(archive_exception(archive_exception::stream_error));
    96         os << t;
    97     }
    98     void save(const signed char t)
    99     {
   100         if(os.fail())
   101             boost::throw_exception(archive_exception(archive_exception::stream_error));
   102         os << static_cast<short int>(t);
   103     }
   104     void save(const unsigned char t)
   105     {
   106         if(os.fail())
   107             boost::throw_exception(archive_exception(archive_exception::stream_error));
   108         os << static_cast<short unsigned int>(t);
   109     }
   110     void save(const char t)
   111     {
   112         if(os.fail())
   113             boost::throw_exception(archive_exception(archive_exception::stream_error));
   114         os << static_cast<short int>(t);
   115     }
   116     #ifndef BOOST_NO_INTRINSIC_WCHAR_T
   117     void save(const wchar_t t)
   118     {
   119         if(os.fail())
   120             boost::throw_exception(archive_exception(archive_exception::stream_error));
   121         os << static_cast<int>(t);
   122     }
   123     #endif
   124     void save(const float t)
   125     {
   126         // must be a user mistake - can't serialize un-initialized data
   127         if(os.fail())
   128             boost::throw_exception(archive_exception(archive_exception::stream_error));
   129         os << std::setprecision(std::numeric_limits<float>::digits10 + 2);
   130         os << t;
   131     }
   132     void save(const double t)
   133     {
   134         // must be a user mistake - can't serialize un-initialized data
   135         if(os.fail())
   136             boost::throw_exception(archive_exception(archive_exception::stream_error));
   137         os << std::setprecision(std::numeric_limits<double>::digits10 + 2);
   138         os << t;
   139     }
   140     BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
   141     basic_text_oprimitive(OStream & os, bool no_codecvt);
   142     BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY()) 
   143     ~basic_text_oprimitive();
   144 public:
   145     // unformatted append of one character
   146     void put(int c){
   147         if(os.fail())
   148             boost::throw_exception(archive_exception(archive_exception::stream_error));
   149         os.put(c);
   150     }
   151     // unformatted append of null terminated string
   152     void put(const char * s){
   153         if(os.fail())
   154             boost::throw_exception(archive_exception(archive_exception::stream_error));
   155         while('\0' != *s)
   156             os.put(*s++);
   157     }
   158     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void) 
   159     save_binary(const void *address, std::size_t count);
   160 };
   161 
   162 } //namespace boost 
   163 } //namespace archive 
   164 
   165 #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
   166 
   167 #endif // BOOST_ARCHIVE_BASIC_TEXT_OPRIMITIVE_HPP