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1 #ifndef BOOST_ARCHIVE_BASIC_TEXT_OPRIMITIVE_HPP
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2 #define BOOST_ARCHIVE_BASIC_TEXT_OPRIMITIVE_HPP
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3
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4 // MS compatible compilers support #pragma once
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5 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
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6 # pragma once
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7 #endif
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8
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9 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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10 // basic_text_oprimitive.hpp
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11
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12 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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13 // Use, modification and distribution is subject to the Boost Software
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14 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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15 // http://www.boost.org/LICENSE_1_0.txt)
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16
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17 // See http://www.boost.org for updates, documentation, and revision history.
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18
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19 // archives stored as text - note these ar templated on the basic
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20 // stream templates to accommodate wide (and other?) kind of characters
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21 //
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22 // note the fact that on libraries without wide characters, ostream is
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23 // is not a specialization of basic_ostream which in fact is not defined
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24 // in such cases. So we can't use basic_ostream<OStream::char_type> but rather
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25 // use two template parameters
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26
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27 #include <iomanip>
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28 #include <locale>
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29 #include <boost/config/no_tr1/cmath.hpp> // isnan
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30 #include <boost/assert.hpp>
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31 #include <cstddef> // size_t
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32
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33 #include <boost/config.hpp>
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34 #include <boost/static_assert.hpp>
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35 #include <boost/detail/workaround.hpp>
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36 #if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1)
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37 #include <boost/archive/dinkumware.hpp>
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38 #endif
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39
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40 #if defined(BOOST_NO_STDC_NAMESPACE)
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41 namespace std{
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42 using ::size_t;
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43 #if ! defined(BOOST_DINKUMWARE_STDLIB) && ! defined(__SGI_STL_PORT)
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44 using ::locale;
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45 #endif
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46 } // namespace std
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47 #endif
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48
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49 #include <boost/limits.hpp>
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50 #include <boost/integer.hpp>
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51 #include <boost/io/ios_state.hpp>
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52 #include <boost/scoped_ptr.hpp>
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53 #include <boost/serialization/throw_exception.hpp>
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54 #include <boost/archive/archive_exception.hpp>
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55 #include <boost/archive/basic_streambuf_locale_saver.hpp>
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56 #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
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57
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58 namespace boost {
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59 namespace archive {
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60
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61 class save_access;
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62
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63 /////////////////////////////////////////////////////////////////////////
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64 // class basic_text_oprimitive - output of prmitives to stream
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65 template<class OStream>
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66 class basic_text_oprimitive
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67 {
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68 #ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
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69 protected:
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70 #else
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71 public:
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72 #endif
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73 OStream &os;
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74 io::ios_flags_saver flags_saver;
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75 io::ios_precision_saver precision_saver;
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76
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77 #ifndef BOOST_NO_STD_LOCALE
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78 boost::scoped_ptr<std::locale> archive_locale;
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79 basic_streambuf_locale_saver<
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80 BOOST_DEDUCED_TYPENAME OStream::char_type,
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81 BOOST_DEDUCED_TYPENAME OStream::traits_type
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82 > locale_saver;
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83 #endif
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84
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85 // default saving of primitives.
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86 template<class T>
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87 void save(const T &t){
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88 if(os.fail())
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89 boost::serialization::throw_exception(
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90 archive_exception(archive_exception::output_stream_error)
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91 );
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92 os << t;
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93 }
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94
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95 /////////////////////////////////////////////////////////
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96 // fundamental types that need special treatment
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97 void save(const bool t){
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98 // trap usage of invalid uninitialized boolean which would
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99 // otherwise crash on load.
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100 BOOST_ASSERT(0 == static_cast<int>(t) || 1 == static_cast<int>(t));
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101 if(os.fail())
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102 boost::serialization::throw_exception(
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103 archive_exception(archive_exception::output_stream_error)
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104 );
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105 os << t;
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106 }
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107 void save(const signed char t)
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108 {
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109 save(static_cast<short int>(t));
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110 }
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111 void save(const unsigned char t)
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112 {
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113 save(static_cast<short unsigned int>(t));
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114 }
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115 void save(const char t)
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116 {
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117 save(static_cast<short int>(t));
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118 }
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119 #ifndef BOOST_NO_INTRINSIC_WCHAR_T
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120 void save(const wchar_t t)
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121 {
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122 BOOST_STATIC_ASSERT(sizeof(wchar_t) <= sizeof(int));
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123 save(static_cast<int>(t));
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124 }
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125 #endif
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126 void save(const float t)
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127 {
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128 // must be a user mistake - can't serialize un-initialized data
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129 if(os.fail())
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130 boost::serialization::throw_exception(
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131 archive_exception(archive_exception::output_stream_error)
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132 );
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133 os << std::setprecision(std::numeric_limits<float>::digits10 + 2);
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134 os << t;
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135 }
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136 void save(const double t)
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137 {
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138 // must be a user mistake - can't serialize un-initialized data
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139 if(os.fail())
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140 boost::serialization::throw_exception(
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141 archive_exception(archive_exception::output_stream_error)
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142 );
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143 os << std::setprecision(std::numeric_limits<double>::digits10 + 2);
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144 os << t;
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145 }
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146 BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
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147 basic_text_oprimitive(OStream & os, bool no_codecvt);
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148 BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
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149 ~basic_text_oprimitive();
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150 public:
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151 // unformatted append of one character
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152 void put(BOOST_DEDUCED_TYPENAME OStream::char_type c){
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153 if(os.fail())
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154 boost::serialization::throw_exception(
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155 archive_exception(archive_exception::output_stream_error)
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156 );
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157 os.put(c);
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158 }
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159 // unformatted append of null terminated string
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160 void put(const char * s){
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161 while('\0' != *s)
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162 os.put(*s++);
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163 }
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164 BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
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165 save_binary(const void *address, std::size_t count);
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166 };
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167
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168 } //namespace boost
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169 } //namespace archive
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170
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171 #include <boost/archive/detail/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
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172
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173 #endif // BOOST_ARCHIVE_BASIC_TEXT_OPRIMITIVE_HPP
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