[857] | 1 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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| 2 | // xml_woarchive_impl.ipp:
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| 3 |
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| 4 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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| 5 | // Distributed under the Boost Software License, Version 1.0. (See
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| 6 | // accompanying file LICENSE_1_0.txt or copy at
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| 7 | // http://www.boost.org/LICENSE_1_0.txt)
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| 8 |
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| 9 | #include <boost/config.hpp>
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| 10 | #ifndef BOOST_NO_STD_WSTREAMBUF
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| 11 |
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| 12 | #include <ostream>
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| 13 | #include <string>
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| 14 | #include <algorithm>
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| 15 | #include <locale>
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| 16 |
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| 17 | #include <boost/config.hpp> // msvc 6.0 needs this to suppress warnings
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| 18 | // for BOOST_DEDUCED_TYPENAME
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| 19 | #include <cstring> // strlen
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| 20 | #include <cstdlib> // mbtowc
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| 21 | #include <cwchar> // wcslen
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| 22 |
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| 23 | #if defined(BOOST_NO_STDC_NAMESPACE)
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| 24 | namespace std{
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| 25 | using ::strlen;
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| 26 | #if ! defined(BOOST_NO_INTRINSIC_WCHAR_T)
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| 27 | using ::mbtowc;
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| 28 | using ::wcslen;
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| 29 | #endif
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| 30 | } // namespace std
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| 31 | #endif
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| 32 |
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| 33 | #include <boost/throw_exception.hpp>
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| 34 | #include <boost/pfto.hpp>
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| 35 |
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| 36 | #include <boost/archive/iterators/xml_escape.hpp>
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| 37 | #include <boost/archive/iterators/wchar_from_mb.hpp>
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| 38 | #include <boost/archive/iterators/ostream_iterator.hpp>
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| 39 | #include <boost/archive/iterators/dataflow_exception.hpp>
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| 40 |
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| 41 | #include <boost/archive/add_facet.hpp>
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| 42 | #include <boost/archive/detail/utf8_codecvt_facet.hpp>
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| 43 |
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| 44 | namespace boost {
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| 45 | namespace archive {
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| 46 |
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| 47 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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| 48 | // implemenations of functions specific to wide char archives
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| 49 |
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| 50 | // copy chars to output escaping to xml and widening characters as we go
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| 51 | template<class InputIterator>
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| 52 | void save_iterator(std::wostream &os, InputIterator begin, InputIterator end){
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| 53 | typedef iterators::wchar_from_mb<
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| 54 | iterators::xml_escape<InputIterator>
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| 55 | > xmbtows;
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| 56 | std::copy(
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| 57 | xmbtows(BOOST_MAKE_PFTO_WRAPPER(begin)),
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| 58 | xmbtows(BOOST_MAKE_PFTO_WRAPPER(end)),
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| 59 | boost::archive::iterators::ostream_iterator<wchar_t>(os)
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| 60 | );
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| 61 | }
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| 62 |
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| 63 | template<class Archive>
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| 64 | BOOST_WARCHIVE_DECL(void)
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| 65 | xml_woarchive_impl<Archive>::save(const std::string & s){
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| 66 | // note: we don't use s.begin() and s.end() because dinkumware
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| 67 | // doesn't have string::value_type defined. So use a wrapper
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| 68 | // around these values to implement the definitions.
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| 69 | const char * begin = s.data();
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| 70 | const char * end = begin + s.size();
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| 71 | save_iterator(os, begin, end);
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| 72 | }
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| 73 |
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| 74 | #ifndef BOOST_NO_STD_WSTRING
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| 75 | template<class Archive>
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| 76 | BOOST_WARCHIVE_DECL(void)
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| 77 | xml_woarchive_impl<Archive>::save(const std::wstring & ws){
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| 78 | #if 0
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| 79 | typedef iterators::xml_escape<std::wstring::const_iterator> xmbtows;
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| 80 | std::copy(
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| 81 | xmbtows(BOOST_MAKE_PFTO_WRAPPER(ws.begin())),
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| 82 | xmbtows(BOOST_MAKE_PFTO_WRAPPER(ws.end())),
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| 83 | boost::archive::iterators::ostream_iterator<wchar_t>(os)
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| 84 | );
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| 85 | #endif
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| 86 | typedef iterators::xml_escape<const wchar_t *> xmbtows;
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| 87 | std::copy(
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| 88 | xmbtows(BOOST_MAKE_PFTO_WRAPPER(ws.data())),
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| 89 | xmbtows(BOOST_MAKE_PFTO_WRAPPER(ws.data() + ws.size())),
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| 90 | boost::archive::iterators::ostream_iterator<wchar_t>(os)
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| 91 | );
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| 92 | }
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| 93 | #endif //BOOST_NO_STD_WSTRING
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| 94 |
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| 95 | template<class Archive>
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| 96 | BOOST_WARCHIVE_DECL(void)
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| 97 | xml_woarchive_impl<Archive>::save(const char * s){
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| 98 | save_iterator(os, s, s + std::strlen(s));
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| 99 | }
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| 100 |
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| 101 | #ifndef BOOST_NO_INTRINSIC_WCHAR_T
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| 102 | template<class Archive>
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| 103 | BOOST_WARCHIVE_DECL(void)
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| 104 | xml_woarchive_impl<Archive>::save(const wchar_t * ws){
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| 105 | os << ws;
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| 106 | typedef iterators::xml_escape<const wchar_t *> xmbtows;
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| 107 | std::copy(
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| 108 | xmbtows(BOOST_MAKE_PFTO_WRAPPER(ws)),
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| 109 | xmbtows(BOOST_MAKE_PFTO_WRAPPER(ws + std::wcslen(ws))),
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| 110 | boost::archive::iterators::ostream_iterator<wchar_t>(os)
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| 111 | );
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| 112 | }
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| 113 | #endif
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| 114 |
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| 115 | template<class Archive>
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| 116 | BOOST_WARCHIVE_DECL(BOOST_PP_EMPTY())
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| 117 | xml_woarchive_impl<Archive>::xml_woarchive_impl(
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| 118 | std::wostream & os_,
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| 119 | unsigned int flags
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| 120 | ) :
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| 121 | basic_text_oprimitive<std::wostream>(
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| 122 | os_,
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| 123 | true // don't change the codecvt - use the one below
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| 124 | ),
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| 125 | basic_xml_oarchive<Archive>(flags)
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| 126 | {
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| 127 | // Standard behavior is that imbue can be called
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| 128 | // a) before output is invoked or
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| 129 | // b) after flush has been called. This prevents one-to-many
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| 130 | // transforms (such as one to many transforms from getting
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| 131 | // mixed up. Unfortunately, STLPort doesn't respect b) above
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| 132 | // so the restoration of the original archive locale done by
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| 133 | // the locale_saver doesn't get processed,
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| 134 | // before the current one is destroyed.
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| 135 | // so the codecvt doesn't get replaced with the orginal
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| 136 | // so closing the stream invokes codecvt::do_unshift
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| 137 | // so it crashes because the corresponding locale that contained
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| 138 | // the codecvt isn't around any more.
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| 139 | // we can hack around this by using a static codecvt that never
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| 140 | // gets destroyed.
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| 141 | if(0 == (flags & no_codecvt)){
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| 142 | detail::utf8_codecvt_facet *pfacet;
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| 143 | #if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
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| 144 | static detail::utf8_codecvt_facet facet(static_cast<size_t>(1));
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| 145 | pfacet = & facet;
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| 146 | #else
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| 147 | pfacet = new detail::utf8_codecvt_facet;
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| 148 | #endif
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| 149 | archive_locale.reset(add_facet(std::locale::classic(), pfacet));
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| 150 | os.imbue(* archive_locale);
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| 151 | }
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| 152 | if(0 == (flags & no_header))
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| 153 | this->init();
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| 154 | }
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| 155 |
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| 156 | } // namespace archive
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| 157 | } // namespace boost
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| 158 |
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| 159 | #endif //BOOST_NO_STD_WSTREAMBUF
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