boost/archive/basic_text_oarchive.hpp

   1 #ifndef BOOST_ARCHIVE_BASIC_TEXT_OARCHIVE_HPP
   2 #define BOOST_ARCHIVE_BASIC_TEXT_OARCHIVE_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_oarchive.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 <cassert>
  28 #include <boost/config.hpp>
  29 #include <boost/serialization/pfto.hpp>
  30 #include <boost/detail/workaround.hpp>
  31
  32 #include <boost/archive/detail/common_oarchive.hpp>
  33 #include <boost/serialization/string.hpp>
  34
  35 #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
  36
  37 namespace boost {
  38 namespace archive {
  39
  40 /////////////////////////////////////////////////////////////////////////
  41 // class basic_text_oarchive
  42 template<class Archive>
  43 class basic_text_oarchive :
  44     public detail::common_oarchive<Archive>
  45 {
  46 protected:
  47 #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
  48 || BOOST_WORKAROUND(__BORLANDC__,BOOST_TESTED_AT(0x560))
  49 public:
  50 #elif defined(BOOST_MSVC)
  51     // for some inexplicable reason insertion of "class" generates compile erro
  52     // on msvc 7.1
  53     friend detail::interface_oarchive<Archive>;
  54 #else
  55     friend class detail::interface_oarchive<Archive>;
  56 #endif
  57     enum {
  58         none,
  59         eol,
  60         space
  61     } delimiter;
  62
  63     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
  64     newtoken();
  65
  66     void newline(){
  67         delimiter = eol;
  68     }
  69
  70     // default processing - kick back to base class.  Note the
  71     // extra stuff to get it passed borland compilers
  72     typedef detail::common_oarchive<Archive> detail_common_oarchive;
  73     template<class T>
  74     void save_override(T & t, BOOST_PFTO int){
  75         this->detail_common_oarchive::save_override(t, 0);
  76     }
  77
  78     // start new objects on a new line
  79     void save_override(const object_id_type & t, int){
  80         this->This()->newline();
  81         // note extra .t to funciton with Borland 5.51 compiler
  82         // and invoke prmitive to underlying value
  83         this->This()->save(t.t);
  84     }
  85
  86     void save_override(const object_reference_type & t, int){
  87         this->This()->newline();
  88         // note extra .t to funciton with Borland 5.51 compiler
  89         // and invoke prmitive to underlying value
  90         this->This()->save(t.t);
  91     }
  92
  93     // note the following four overrides are necessary for some borland
  94     // compilers(5.51) which don't handle BOOST_STRONG_TYPE properly.
  95     void save_override(const version_type & t, int){
  96         // note:t.t resolves borland ambguity
  97         const unsigned int x = t.t;
  98         * this->This() << x;
  99     }
 100     void save_override(const class_id_type & t, int){
 101         // note:t.t resolves borland ambguity
 102         const int x = t.t;
 103         * this->This() << x;
 104     }
 105     void save_override(const class_id_reference_type & t, int){
 106         // note:t.t resolves borland ambguity
 107         const int x = t.t;
 108         * this->This() << x;
 109     }
 110
 111     // text file don't include the optional information
 112     void save_override(const class_id_optional_type & /* t */, int){}
 113
 114     void save_override(const class_name_type & t, int){
 115         const std::string s(t);
 116         * this->This() << s;
 117     }
 118
 119     BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
 120     init();
 121
 122     basic_text_oarchive(unsigned int flags) :
 123         detail::common_oarchive<Archive>(flags),
 124         delimiter(none)
 125     {}
 126     ~basic_text_oarchive(){}
 127 };
 128
 129 } // namespace archive
 130 } // namespace boost
 131
 132 #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
 133
 134 #endif // BOOST_ARCHIVE_BASIC_TEXT_OARCHIVE_HPP