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1 #ifndef BOOST_ARCHIVE_BASIC_TEXT_IPRIMITIVE_HPP
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2 #define BOOST_ARCHIVE_BASIC_TEXT_IPRIMITIVE_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_iprimitive.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 are 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 // 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<IStream::char_type> but rather
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25 // use two template parameters
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26
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27 #include <boost/assert.hpp>
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28 #include <locale>
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29 #include <cstddef> // size_t
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30
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31 #include <boost/config.hpp>
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32 #if defined(BOOST_NO_STDC_NAMESPACE)
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33 namespace std{
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34 using ::size_t;
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35 #if ! defined(BOOST_DINKUMWARE_STDLIB) && ! defined(__SGI_STL_PORT)
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36 using ::locale;
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37 #endif
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38 } // namespace std
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39 #endif
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40
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41 #include <boost/detail/workaround.hpp>
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42 #if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1)
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43 #include <boost/archive/dinkumware.hpp>
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44 #endif
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45
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46 #include <boost/limits.hpp>
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47 #include <boost/io/ios_state.hpp>
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48 #include <boost/scoped_ptr.hpp>
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49 #include <boost/static_assert.hpp>
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50
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51 #include <boost/serialization/throw_exception.hpp>
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52 #include <boost/archive/archive_exception.hpp>
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53 #include <boost/archive/basic_streambuf_locale_saver.hpp>
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54 #include <boost/archive/detail/abi_prefix.hpp> // must be the last header
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55
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56 namespace boost {
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57 namespace archive {
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58
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59 /////////////////////////////////////////////////////////////////////////
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60 // class basic_text_iarchive - load serialized objects from a input text stream
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61 #if defined(_MSC_VER)
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62 #pragma warning( push )
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63 #pragma warning( disable : 4244 4267 )
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64 #endif
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65
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66 template<class IStream>
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67 class basic_text_iprimitive
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68 {
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69 #ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
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70 protected:
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71 #else
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72 public:
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73 #endif
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74 IStream &is;
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75 io::ios_flags_saver flags_saver;
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76 io::ios_precision_saver precision_saver;
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77
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78 #ifndef BOOST_NO_STD_LOCALE
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79 boost::scoped_ptr<std::locale> archive_locale;
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80 basic_streambuf_locale_saver<
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81 BOOST_DEDUCED_TYPENAME IStream::char_type,
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82 BOOST_DEDUCED_TYPENAME IStream::traits_type
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83 > locale_saver;
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84 #endif
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85
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86 template<class T>
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87 void load(T & t)
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88 {
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89 if(! is.fail()){
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90 is >> t;
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91 return;
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92 }
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93 boost::serialization::throw_exception(
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94 archive_exception(archive_exception::input_stream_error)
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95 );
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96 }
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97
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98 void load(char & t)
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99 {
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100 short int i;
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101 load(i);
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102 t = i;
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103 }
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104 void load(signed char & t)
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105 {
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106 short int i;
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107 load(i);
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108 t = i;
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109 }
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110 void load(unsigned char & t)
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111 {
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112 unsigned short int i;
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113 load(i);
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114 t = i;
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115 }
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116
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117 #ifndef BOOST_NO_INTRINSIC_WCHAR_T
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118 void load(wchar_t & t)
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119 {
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120 BOOST_STATIC_ASSERT(sizeof(wchar_t) <= sizeof(int));
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121 int i;
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122 load(i);
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123 t = i;
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124 }
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125 #endif
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126 BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
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127 basic_text_iprimitive(IStream &is, bool no_codecvt);
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128 BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
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129 ~basic_text_iprimitive();
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130 public:
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131 BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
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132 load_binary(void *address, std::size_t count);
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133 };
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134
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135 #if defined(_MSC_VER)
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136 #pragma warning( pop )
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137 #endif
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138
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139 } // namespace archive
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140 } // namespace boost
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141
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142 #include <boost/archive/detail/abi_suffix.hpp> // pop pragmas
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143
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144 #endif // BOOST_ARCHIVE_BASIC_TEXT_IPRIMITIVE_HPP
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