1 | #ifndef BOOST_SERIALIZATION_EXTENDED_TYPE_INFO_HPP
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2 | #define BOOST_SERIALIZATION_EXTENDED_TYPE_INFO_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 | // extended_type_info.hpp: interface for portable version of type_info
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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 | // for now, extended type info is part of the serialization libraries
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20 | // this could change in the future.
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21 | #include <boost/config.hpp>
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22 | #include <boost/noncopyable.hpp>
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23 | #include <boost/serialization/config.hpp>
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24 |
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25 | #include <boost/config/abi_prefix.hpp> // must be the last header
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26 | #ifdef BOOST_MSVC
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27 | # pragma warning(push)
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28 | # pragma warning(disable : 4251 4231 4660 4275)
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29 | #endif
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30 |
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31 | #define BOOST_SERIALIZATION_MAX_KEY_SIZE 128
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32 |
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33 | namespace boost {
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34 | namespace serialization {
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35 |
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36 | class BOOST_SERIALIZATION_DECL(BOOST_PP_EMPTY()) extended_type_info :
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37 | private boost::noncopyable
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38 | {
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39 | private:
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40 | virtual bool
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41 | less_than(const extended_type_info &rhs) const = 0;
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42 | int type_info_key_cmp(const extended_type_info & rhs) const;
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43 |
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44 | // used to uniquely identify the type of class derived from this one
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45 | // so that different derivations of this class can be simultaneously
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46 | // included in implementation of sets and maps.
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47 | const char * m_type_info_key;
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48 | // flag to indicate wheter its been registered by type;
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49 | bool m_self_registered;
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50 | // flag to indicate wheter its been registered by type;
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51 | bool m_key_registered;
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52 | // flag indicating that no virtual function should be called here
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53 | // this is necessary since it seems that at least one compiler (borland
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54 | // and one version of gcc call less_than above when erasing even
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55 | // when given an iterator argument.
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56 | bool m_is_destructing;
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57 | protected:
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58 | const char * m_key;
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59 | extended_type_info(const char * type_info_key);
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60 | // account for bogus gcc warning
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61 | #if defined(__GNUC__)
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62 | virtual
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63 | #endif
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64 | ~extended_type_info();
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65 | public:
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66 | void self_register();
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67 | void key_register(const char *key);
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68 | bool is_destructing() const {
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69 | return m_is_destructing;
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70 | }
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71 | bool operator<(const extended_type_info &rhs) const;
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72 | bool operator==(const extended_type_info &rhs) const {
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73 | return this == & rhs;
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74 | }
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75 | bool operator!=(const extended_type_info &rhs) const {
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76 | return this != & rhs;
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77 | }
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78 | const char * get_key() const {
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79 | return m_key;
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80 | }
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81 | static const extended_type_info * find(const char *key);
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82 | static const extended_type_info * find(const extended_type_info * t);
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83 | };
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84 |
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85 | } // namespace serialization
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86 | } // namespace boost
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87 |
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88 | #ifdef BOOST_MSVC
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89 | #pragma warning(pop)
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90 | #endif
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91 | #include <boost/config/abi_suffix.hpp> // pops abi_suffix.hpp pragmas
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92 |
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93 | #endif // BOOST_SERIALIZATION_EXTENDED_TYPE_INFO_HPP
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94 |
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