sl@0: /*
sl@0:  *
sl@0:  * Copyright (c) 2004
sl@0:  * John Maddock
sl@0:  *
sl@0:  * Use, modification and distribution are subject to the 
sl@0:  * Boost Software License, Version 1.0. (See accompanying file 
sl@0:  * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
sl@0:  *
sl@0:  */
sl@0: 
sl@0:  /*
sl@0:   *   LOCATION:    see http://www.boost.org for most recent version.
sl@0:   *   FILE         icu.hpp
sl@0:   *   VERSION      see <boost/version.hpp>
sl@0:   *   DESCRIPTION: Unicode regular expressions on top of the ICU Library.
sl@0:   */
sl@0: 
sl@0: #ifndef BOOST_REGEX_ICU_HPP
sl@0: #define BOOST_REGEX_ICU_HPP
sl@0: 
sl@0: #include <unicode/utypes.h>
sl@0: #include <unicode/uchar.h>
sl@0: #include <unicode/coll.h>
sl@0: #include <boost/regex.hpp>
sl@0: #include <boost/regex/pending/unicode_iterator.hpp>
sl@0: #include <boost/mpl/int_fwd.hpp>
sl@0: #include <bitset>
sl@0: 
sl@0: 
sl@0: namespace boost{
sl@0: 
sl@0: namespace re_detail{
sl@0: 
sl@0: // 
sl@0: // Implementation details:
sl@0: //
sl@0: class BOOST_REGEX_DECL icu_regex_traits_implementation
sl@0: {
sl@0:    typedef UChar32                      char_type;
sl@0:    typedef std::size_t                  size_type;
sl@0:    typedef std::vector<char_type>       string_type;
sl@0:    typedef U_NAMESPACE_QUALIFIER Locale locale_type;
sl@0:    typedef boost::uint_least32_t        char_class_type;
sl@0: public:
sl@0:    icu_regex_traits_implementation(const U_NAMESPACE_QUALIFIER Locale& l)
sl@0:       : m_locale(l)
sl@0:    {
sl@0:       UErrorCode success = U_ZERO_ERROR;
sl@0:       m_collator.reset(U_NAMESPACE_QUALIFIER Collator::createInstance(l, success));
sl@0:       if(U_SUCCESS(success) == 0)
sl@0:          init_error();
sl@0:       m_collator->setStrength(U_NAMESPACE_QUALIFIER Collator::IDENTICAL);
sl@0:       success = U_ZERO_ERROR;
sl@0:       m_primary_collator.reset(U_NAMESPACE_QUALIFIER Collator::createInstance(l, success));
sl@0:       if(U_SUCCESS(success) == 0)
sl@0:          init_error();
sl@0:       m_primary_collator->setStrength(U_NAMESPACE_QUALIFIER Collator::PRIMARY);
sl@0:    }
sl@0:    U_NAMESPACE_QUALIFIER Locale getloc()const
sl@0:    {
sl@0:       return m_locale;
sl@0:    }
sl@0:    string_type do_transform(const char_type* p1, const char_type* p2, const U_NAMESPACE_QUALIFIER Collator* pcoll) const;
sl@0:    string_type transform(const char_type* p1, const char_type* p2) const
sl@0:    {
sl@0:       return do_transform(p1, p2, m_collator.get());
sl@0:    }
sl@0:    string_type transform_primary(const char_type* p1, const char_type* p2) const
sl@0:    {
sl@0:       return do_transform(p1, p2, m_primary_collator.get());
sl@0:    }
sl@0: private:
sl@0:    void init_error()
sl@0:    {
sl@0:       std::runtime_error e("Could not initialize ICU resources");
sl@0:       boost::throw_exception(e);
sl@0:    }
sl@0:    U_NAMESPACE_QUALIFIER Locale m_locale;                                  // The ICU locale that we're using
sl@0:    boost::scoped_ptr< U_NAMESPACE_QUALIFIER Collator> m_collator;          // The full collation object
sl@0:    boost::scoped_ptr< U_NAMESPACE_QUALIFIER Collator> m_primary_collator;  // The primary collation object
sl@0: };
sl@0: 
sl@0: inline boost::shared_ptr<icu_regex_traits_implementation> get_icu_regex_traits_implementation(const U_NAMESPACE_QUALIFIER Locale& loc)
sl@0: {
sl@0:    return boost::shared_ptr<icu_regex_traits_implementation>(new icu_regex_traits_implementation(loc));
sl@0: }
sl@0: 
sl@0: }
sl@0: 
sl@0: class BOOST_REGEX_DECL icu_regex_traits
sl@0: {
sl@0: public:
sl@0:    typedef UChar32                      char_type;
sl@0:    typedef std::size_t                  size_type;
sl@0:    typedef std::vector<char_type>       string_type;
sl@0:    typedef U_NAMESPACE_QUALIFIER Locale locale_type;
sl@0: #ifdef BOOST_NO_INT64_T
sl@0:    typedef std::bitset<64>              char_class_type;
sl@0: #else
sl@0:    typedef boost::uint64_t              char_class_type;
sl@0: #endif
sl@0: 
sl@0:    struct boost_extensions_tag{};
sl@0: 
sl@0:    icu_regex_traits()
sl@0:       : m_pimpl(re_detail::get_icu_regex_traits_implementation(U_NAMESPACE_QUALIFIER Locale()))
sl@0:    {
sl@0:    }
sl@0:    static size_type length(const char_type* p);
sl@0: 
sl@0:    ::boost::regex_constants::syntax_type syntax_type(char_type c)const
sl@0:    {
sl@0:       return ((c < 0x7f) && (c > 0)) ? re_detail::get_default_syntax_type(static_cast<char>(c)) : regex_constants::syntax_char;
sl@0:    }
sl@0:    ::boost::regex_constants::escape_syntax_type escape_syntax_type(char_type c) const
sl@0:    {
sl@0:       return ((c < 0x7f) && (c > 0)) ? re_detail::get_default_escape_syntax_type(static_cast<char>(c)) : regex_constants::syntax_char;
sl@0:    }
sl@0:    char_type translate(char_type c) const
sl@0:    {
sl@0:       return c;
sl@0:    }
sl@0:    char_type translate_nocase(char_type c) const
sl@0:    {
sl@0:       return ::u_tolower(c);
sl@0:    }
sl@0:    char_type translate(char_type c, bool icase) const
sl@0:    {
sl@0:       return icase ? translate_nocase(c) : translate(c);
sl@0:    }
sl@0:    char_type tolower(char_type c) const
sl@0:    {
sl@0:       return ::u_tolower(c);
sl@0:    }
sl@0:    char_type toupper(char_type c) const
sl@0:    {
sl@0:       return ::u_toupper(c);
sl@0:    }
sl@0:    string_type transform(const char_type* p1, const char_type* p2) const
sl@0:    {
sl@0:       return m_pimpl->transform(p1, p2);
sl@0:    }
sl@0:    string_type transform_primary(const char_type* p1, const char_type* p2) const
sl@0:    {
sl@0:       return m_pimpl->transform_primary(p1, p2);
sl@0:    }
sl@0:    char_class_type lookup_classname(const char_type* p1, const char_type* p2) const;
sl@0:    string_type lookup_collatename(const char_type* p1, const char_type* p2) const;
sl@0:    bool isctype(char_type c, char_class_type f) const;
sl@0:    int toi(const char_type*& p1, const char_type* p2, int radix)const
sl@0:    {
sl@0:       return re_detail::global_toi(p1, p2, radix, *this);
sl@0:    }
sl@0:    int value(char_type c, int radix)const
sl@0:    {
sl@0:       return u_digit(c, static_cast< ::int8_t>(radix));
sl@0:    }
sl@0:    locale_type imbue(locale_type l)
sl@0:    {
sl@0:       locale_type result(m_pimpl->getloc());
sl@0:       m_pimpl = re_detail::get_icu_regex_traits_implementation(l);
sl@0:       return result;
sl@0:    }
sl@0:    locale_type getloc()const
sl@0:    {
sl@0:       return locale_type();
sl@0:    }
sl@0:    std::string error_string(::boost::regex_constants::error_type n) const
sl@0:    {
sl@0:       return re_detail::get_default_error_string(n);
sl@0:    }
sl@0: private:
sl@0:    icu_regex_traits(const icu_regex_traits&);
sl@0:    icu_regex_traits& operator=(const icu_regex_traits&);
sl@0: 
sl@0:    //
sl@0:    // define the bitmasks offsets we need for additional character properties:
sl@0:    //
sl@0:    enum{
sl@0:       offset_blank = U_CHAR_CATEGORY_COUNT,
sl@0:       offset_space = U_CHAR_CATEGORY_COUNT+1,
sl@0:       offset_xdigit = U_CHAR_CATEGORY_COUNT+2,
sl@0:       offset_underscore = U_CHAR_CATEGORY_COUNT+3,
sl@0:       offset_unicode = U_CHAR_CATEGORY_COUNT+4,
sl@0:       offset_any = U_CHAR_CATEGORY_COUNT+5,
sl@0:       offset_ascii = U_CHAR_CATEGORY_COUNT+6
sl@0:    };
sl@0: 
sl@0:    //
sl@0:    // and now the masks:
sl@0:    //
sl@0:    static const char_class_type mask_blank;
sl@0:    static const char_class_type mask_space;
sl@0:    static const char_class_type mask_xdigit;
sl@0:    static const char_class_type mask_underscore;
sl@0:    static const char_class_type mask_unicode;
sl@0:    static const char_class_type mask_any;
sl@0:    static const char_class_type mask_ascii;
sl@0: 
sl@0:    static char_class_type lookup_icu_mask(const ::UChar32* p1, const ::UChar32* p2);
sl@0: 
sl@0:    boost::shared_ptr< ::boost::re_detail::icu_regex_traits_implementation> m_pimpl;
sl@0: };
sl@0: 
sl@0: } // namespace boost
sl@0: 
sl@0: //
sl@0: // template instances:
sl@0: //
sl@0: #define BOOST_REGEX_CHAR_T UChar32
sl@0: #undef BOOST_REGEX_TRAITS_T
sl@0: #define BOOST_REGEX_TRAITS_T , icu_regex_traits
sl@0: #define BOOST_REGEX_ICU_INSTANCES
sl@0: #ifdef BOOST_REGEX_ICU_INSTANTIATE
sl@0: #  define BOOST_REGEX_INSTANTIATE
sl@0: #endif
sl@0: #include <boost/regex/v4/instances.hpp>
sl@0: #undef BOOST_REGEX_CHAR_T
sl@0: #undef BOOST_REGEX_TRAITS_T
sl@0: #undef BOOST_REGEX_ICU_INSTANCES
sl@0: #ifdef BOOST_REGEX_INSTANTIATE
sl@0: #  undef BOOST_REGEX_INSTANTIATE
sl@0: #endif
sl@0: 
sl@0: namespace boost{
sl@0: 
sl@0: // types:
sl@0: typedef basic_regex< ::UChar32, icu_regex_traits> u32regex;
sl@0: typedef match_results<const ::UChar32*> u32match;
sl@0: typedef match_results<const ::UChar*> u16match;
sl@0: 
sl@0: //
sl@0: // Construction of 32-bit regex types from UTF-8 and UTF-16 primitives:
sl@0: //
sl@0: namespace re_detail{
sl@0: 
sl@0: #if !defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(__IBMCPP__)
sl@0: template <class InputIterator>
sl@0: inline u32regex do_make_u32regex(InputIterator i, 
sl@0:                               InputIterator j, 
sl@0:                               boost::regex_constants::syntax_option_type opt, 
sl@0:                               const boost::mpl::int_<1>*)
sl@0: {
sl@0:    typedef boost::u8_to_u32_iterator<InputIterator, UChar32> conv_type;
sl@0:    return u32regex(conv_type(i), conv_type(j), opt);
sl@0: }
sl@0: 
sl@0: template <class InputIterator>
sl@0: inline u32regex do_make_u32regex(InputIterator i, 
sl@0:                               InputIterator j, 
sl@0:                               boost::regex_constants::syntax_option_type opt, 
sl@0:                               const boost::mpl::int_<2>*)
sl@0: {
sl@0:    typedef boost::u16_to_u32_iterator<InputIterator, UChar32> conv_type;
sl@0:    return u32regex(conv_type(i), conv_type(j), opt);
sl@0: }
sl@0: 
sl@0: template <class InputIterator>
sl@0: inline u32regex do_make_u32regex(InputIterator i, 
sl@0:                               InputIterator j, 
sl@0:                               boost::regex_constants::syntax_option_type opt, 
sl@0:                               const boost::mpl::int_<4>*)
sl@0: {
sl@0:    return u32regex(i, j, opt);
sl@0: }
sl@0: #else
sl@0: template <class InputIterator>
sl@0: inline u32regex do_make_u32regex(InputIterator i, 
sl@0:                               InputIterator j, 
sl@0:                               boost::regex_constants::syntax_option_type opt, 
sl@0:                               const boost::mpl::int_<1>*)
sl@0: {
sl@0:    typedef boost::u8_to_u32_iterator<InputIterator, UChar32> conv_type;
sl@0:    typedef std::vector<UChar32> vector_type;
sl@0:    vector_type v;
sl@0:    conv_type a(i), b(j);
sl@0:    while(a != b)
sl@0:    {
sl@0:       v.push_back(*a);
sl@0:       ++a;
sl@0:    }
sl@0:    if(v.size())
sl@0:       return u32regex(&*v.begin(), v.size(), opt);
sl@0:    return u32regex(static_cast<UChar32 const*>(0), static_cast<u32regex::size_type>(0), opt);
sl@0: }
sl@0: 
sl@0: template <class InputIterator>
sl@0: inline u32regex do_make_u32regex(InputIterator i, 
sl@0:                               InputIterator j, 
sl@0:                               boost::regex_constants::syntax_option_type opt, 
sl@0:                               const boost::mpl::int_<2>*)
sl@0: {
sl@0:    typedef boost::u16_to_u32_iterator<InputIterator, UChar32> conv_type;
sl@0:    typedef std::vector<UChar32> vector_type;
sl@0:    vector_type v;
sl@0:    conv_type a(i), b(j);
sl@0:    while(a != b)
sl@0:    {
sl@0:       v.push_back(*a);
sl@0:       ++a;
sl@0:    }
sl@0:    if(v.size())
sl@0:       return u32regex(&*v.begin(), v.size(), opt);
sl@0:    return u32regex(static_cast<UChar32 const*>(0), static_cast<u32regex::size_type>(0), opt);
sl@0: }
sl@0: 
sl@0: template <class InputIterator>
sl@0: inline u32regex do_make_u32regex(InputIterator i, 
sl@0:                               InputIterator j, 
sl@0:                               boost::regex_constants::syntax_option_type opt, 
sl@0:                               const boost::mpl::int_<4>*)
sl@0: {
sl@0:    typedef std::vector<UCHAR32> vector_type;
sl@0:    vector_type v;
sl@0:    while(i != j)
sl@0:    {
sl@0:       v.push_back((UCHAR32)(*i));
sl@0:       ++a;
sl@0:    }
sl@0:    if(v.size())
sl@0:       return u32regex(&*v.begin(), v.size(), opt);
sl@0:    return u32regex(static_cast<UChar32 const*>(0), static_cast<u32regex::size_type>(0), opt);
sl@0: }
sl@0: #endif
sl@0: }
sl@0: 
sl@0: //
sl@0: // Construction from an iterator pair:
sl@0: //
sl@0: template <class InputIterator>
sl@0: inline u32regex make_u32regex(InputIterator i, 
sl@0:                               InputIterator j, 
sl@0:                               boost::regex_constants::syntax_option_type opt)
sl@0: {
sl@0:    return re_detail::do_make_u32regex(i, j, opt, static_cast<boost::mpl::int_<sizeof(*i)> const*>(0));
sl@0: }
sl@0: //
sl@0: // construction from UTF-8 nul-terminated strings:
sl@0: //
sl@0: inline u32regex make_u32regex(const char* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
sl@0: {
sl@0:    return re_detail::do_make_u32regex(p, p + std::strlen(p), opt, static_cast<boost::mpl::int_<1> const*>(0));
sl@0: }
sl@0: inline u32regex make_u32regex(const unsigned char* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
sl@0: {
sl@0:    return re_detail::do_make_u32regex(p, p + std::strlen(reinterpret_cast<const char*>(p)), opt, static_cast<boost::mpl::int_<1> const*>(0));
sl@0: }
sl@0: //
sl@0: // construction from UTF-16 nul-terminated strings:
sl@0: //
sl@0: #ifndef BOOST_NO_WREGEX
sl@0: inline u32regex make_u32regex(const wchar_t* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
sl@0: {
sl@0:    return re_detail::do_make_u32regex(p, p + std::wcslen(p), opt, static_cast<boost::mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: #endif
sl@0: #ifndef U_WCHAR_IS_UTF16
sl@0: inline u32regex make_u32regex(const UChar* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
sl@0: {
sl@0:    return re_detail::do_make_u32regex(p, p + u_strlen(p), opt, static_cast<boost::mpl::int_<2> const*>(0));
sl@0: }
sl@0: #endif
sl@0: //
sl@0: // construction from basic_string class-template:
sl@0: //
sl@0: template<class C, class T, class A>
sl@0: inline u32regex make_u32regex(const std::basic_string<C, T, A>& s, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
sl@0: {
sl@0:    return re_detail::do_make_u32regex(s.begin(), s.end(), opt, static_cast<boost::mpl::int_<sizeof(C)> const*>(0));
sl@0: }
sl@0: //
sl@0: // Construction from ICU string type:
sl@0: //
sl@0: inline u32regex make_u32regex(const UnicodeString& s, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
sl@0: {
sl@0:    return re_detail::do_make_u32regex(s.getBuffer(), s.getBuffer() + s.length(), opt, static_cast<boost::mpl::int_<2> const*>(0));
sl@0: }
sl@0: 
sl@0: //
sl@0: // regex_match overloads that widen the character type as appropriate:
sl@0: //
sl@0: namespace re_detail{
sl@0: template<class MR1, class MR2>
sl@0: void copy_results(MR1& out, MR2 const& in)
sl@0: {
sl@0:    // copy results from an adapted MR2 match_results:
sl@0:    out.set_size(in.size(), in.prefix().first.base(), in.suffix().second.base());
sl@0:    out.set_base(in.base().base());
sl@0:    for(int i = 0; i < (int)in.size(); ++i)
sl@0:    {
sl@0:       if(in[i].matched)
sl@0:       {
sl@0:          out.set_first(in[i].first.base(), i);
sl@0:          out.set_second(in[i].second.base(), i);
sl@0:       }
sl@0:    }
sl@0: }
sl@0: 
sl@0: template <class BidiIterator, class Allocator>
sl@0: inline bool do_regex_match(BidiIterator first, BidiIterator last, 
sl@0:                  match_results<BidiIterator, Allocator>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags,
sl@0:                  boost::mpl::int_<4> const*)
sl@0: {
sl@0:    return ::boost::regex_match(first, last, m, e, flags);
sl@0: }
sl@0: template <class BidiIterator, class Allocator>
sl@0: bool do_regex_match(BidiIterator first, BidiIterator last, 
sl@0:                  match_results<BidiIterator, Allocator>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags,
sl@0:                  boost::mpl::int_<2> const*)
sl@0: {
sl@0:    typedef u16_to_u32_iterator<BidiIterator, UChar32> conv_type;
sl@0:    typedef match_results<conv_type>                   match_type;
sl@0:    typedef typename match_type::allocator_type        alloc_type;
sl@0:    match_type what;
sl@0:    bool result = ::boost::regex_match(conv_type(first), conv_type(last), what, e, flags);
sl@0:    // copy results across to m:
sl@0:    if(result) copy_results(m, what);
sl@0:    return result;
sl@0: }
sl@0: template <class BidiIterator, class Allocator>
sl@0: bool do_regex_match(BidiIterator first, BidiIterator last, 
sl@0:                  match_results<BidiIterator, Allocator>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags,
sl@0:                  boost::mpl::int_<1> const*)
sl@0: {
sl@0:    typedef u8_to_u32_iterator<BidiIterator, UChar32>  conv_type;
sl@0:    typedef match_results<conv_type>                   match_type;
sl@0:    typedef typename match_type::allocator_type        alloc_type;
sl@0:    match_type what;
sl@0:    bool result = ::boost::regex_match(conv_type(first), conv_type(last), what, e, flags);
sl@0:    // copy results across to m:
sl@0:    if(result) copy_results(m, what);
sl@0:    return result;
sl@0: }
sl@0: } // namespace re_detail
sl@0: 
sl@0: template <class BidiIterator, class Allocator>
sl@0: inline bool u32regex_match(BidiIterator first, BidiIterator last, 
sl@0:                  match_results<BidiIterator, Allocator>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_match(first, last, m, e, flags, static_cast<mpl::int_<sizeof(*first)> const*>(0));
sl@0: }
sl@0: inline bool u32regex_match(const UChar* p, 
sl@0:                  match_results<const UChar*>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_match(p, p+u_strlen(p), m, e, flags, static_cast<mpl::int_<2> const*>(0));
sl@0: }
sl@0: #if !defined(U_WCHAR_IS_UTF16) && !defined(BOOST_NO_WREGEX)
sl@0: inline bool u32regex_match(const wchar_t* p, 
sl@0:                  match_results<const wchar_t*>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_match(p, p+std::wcslen(p), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: #endif
sl@0: inline bool u32regex_match(const char* p, 
sl@0:                  match_results<const char*>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_match(p, p+std::strlen(p), m, e, flags, static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: inline bool u32regex_match(const unsigned char* p, 
sl@0:                  match_results<const unsigned char*>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_match(p, p+std::strlen((const char*)p), m, e, flags, static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: inline bool u32regex_match(const std::string& s, 
sl@0:                         match_results<std::string::const_iterator>& m, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_match(s.begin(), s.end(), m, e, flags, static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: #ifndef BOOST_NO_STD_WSTRING
sl@0: inline bool u32regex_match(const std::wstring& s, 
sl@0:                         match_results<std::wstring::const_iterator>& m, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_match(s.begin(), s.end(), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: #endif
sl@0: inline bool u32regex_match(const UnicodeString& s, 
sl@0:                         match_results<const UChar*>& m, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_match(s.getBuffer(), s.getBuffer() + s.length(), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: //
sl@0: // regex_match overloads that do not return what matched:
sl@0: //
sl@0: template <class BidiIterator>
sl@0: inline bool u32regex_match(BidiIterator first, BidiIterator last, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<BidiIterator> m;
sl@0:    return re_detail::do_regex_match(first, last, m, e, flags, static_cast<mpl::int_<sizeof(*first)> const*>(0));
sl@0: }
sl@0: inline bool u32regex_match(const UChar* p, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<const UChar*> m;
sl@0:    return re_detail::do_regex_match(p, p+u_strlen(p), m, e, flags, static_cast<mpl::int_<2> const*>(0));
sl@0: }
sl@0: #if !defined(U_WCHAR_IS_UTF16) && !defined(BOOST_NO_WREGEX)
sl@0: inline bool u32regex_match(const wchar_t* p, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<const wchar_t*> m;
sl@0:    return re_detail::do_regex_match(p, p+std::wcslen(p), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: #endif
sl@0: inline bool u32regex_match(const char* p, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<const char*> m;
sl@0:    return re_detail::do_regex_match(p, p+std::strlen(p), m, e, flags, static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: inline bool u32regex_match(const unsigned char* p, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<const unsigned char*> m;
sl@0:    return re_detail::do_regex_match(p, p+std::strlen((const char*)p), m, e, flags, static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: inline bool u32regex_match(const std::string& s, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<std::string::const_iterator> m;
sl@0:    return re_detail::do_regex_match(s.begin(), s.end(), m, e, flags, static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: #ifndef BOOST_NO_STD_WSTRING
sl@0: inline bool u32regex_match(const std::wstring& s, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<std::wstring::const_iterator> m;
sl@0:    return re_detail::do_regex_match(s.begin(), s.end(), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: #endif
sl@0: inline bool u32regex_match(const UnicodeString& s, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<const UChar*> m;
sl@0:    return re_detail::do_regex_match(s.getBuffer(), s.getBuffer() + s.length(), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: 
sl@0: //
sl@0: // regex_search overloads that widen the character type as appropriate:
sl@0: //
sl@0: namespace re_detail{
sl@0: template <class BidiIterator, class Allocator>
sl@0: inline bool do_regex_search(BidiIterator first, BidiIterator last, 
sl@0:                  match_results<BidiIterator, Allocator>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags,
sl@0:                  BidiIterator base,
sl@0:                  boost::mpl::int_<4> const*)
sl@0: {
sl@0:    return ::boost::regex_search(first, last, m, e, flags, base);
sl@0: }
sl@0: template <class BidiIterator, class Allocator>
sl@0: bool do_regex_search(BidiIterator first, BidiIterator last, 
sl@0:                  match_results<BidiIterator, Allocator>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags,
sl@0:                  BidiIterator base,
sl@0:                  boost::mpl::int_<2> const*)
sl@0: {
sl@0:    typedef u16_to_u32_iterator<BidiIterator, UChar32> conv_type;
sl@0:    typedef match_results<conv_type>                   match_type;
sl@0:    typedef typename match_type::allocator_type        alloc_type;
sl@0:    match_type what;
sl@0:    bool result = ::boost::regex_search(conv_type(first), conv_type(last), what, e, flags, conv_type(base));
sl@0:    // copy results across to m:
sl@0:    if(result) copy_results(m, what);
sl@0:    return result;
sl@0: }
sl@0: template <class BidiIterator, class Allocator>
sl@0: bool do_regex_search(BidiIterator first, BidiIterator last, 
sl@0:                  match_results<BidiIterator, Allocator>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags,
sl@0:                  BidiIterator base,
sl@0:                  boost::mpl::int_<1> const*)
sl@0: {
sl@0:    typedef u8_to_u32_iterator<BidiIterator, UChar32>  conv_type;
sl@0:    typedef match_results<conv_type>                   match_type;
sl@0:    typedef typename match_type::allocator_type        alloc_type;
sl@0:    match_type what;
sl@0:    bool result = ::boost::regex_search(conv_type(first), conv_type(last), what, e, flags, conv_type(base));
sl@0:    // copy results across to m:
sl@0:    if(result) copy_results(m, what);
sl@0:    return result;
sl@0: }
sl@0: }
sl@0: 
sl@0: template <class BidiIterator, class Allocator>
sl@0: inline bool u32regex_search(BidiIterator first, BidiIterator last, 
sl@0:                  match_results<BidiIterator, Allocator>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_search(first, last, m, e, flags, first, static_cast<mpl::int_<sizeof(*first)> const*>(0));
sl@0: }
sl@0: template <class BidiIterator, class Allocator>
sl@0: inline bool u32regex_search(BidiIterator first, BidiIterator last, 
sl@0:                  match_results<BidiIterator, Allocator>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags,
sl@0:                  BidiIterator base)
sl@0: {
sl@0:    return re_detail::do_regex_search(first, last, m, e, flags, base, static_cast<mpl::int_<sizeof(*first)> const*>(0));
sl@0: }
sl@0: inline bool u32regex_search(const UChar* p, 
sl@0:                  match_results<const UChar*>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_search(p, p+u_strlen(p), m, e, flags, p, static_cast<mpl::int_<2> const*>(0));
sl@0: }
sl@0: #if !defined(U_WCHAR_IS_UTF16) && !defined(BOOST_NO_WREGEX)
sl@0: inline bool u32regex_search(const wchar_t* p, 
sl@0:                  match_results<const wchar_t*>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_search(p, p+std::wcslen(p), m, e, flags, p, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: #endif
sl@0: inline bool u32regex_search(const char* p, 
sl@0:                  match_results<const char*>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_search(p, p+std::strlen(p), m, e, flags, p, static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: inline bool u32regex_search(const unsigned char* p, 
sl@0:                  match_results<const unsigned char*>& m, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_search(p, p+std::strlen((const char*)p), m, e, flags, p, static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: inline bool u32regex_search(const std::string& s, 
sl@0:                         match_results<std::string::const_iterator>& m, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_search(s.begin(), s.end(), m, e, flags, s.begin(), static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: #ifndef BOOST_NO_STD_WSTRING
sl@0: inline bool u32regex_search(const std::wstring& s, 
sl@0:                         match_results<std::wstring::const_iterator>& m, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_search(s.begin(), s.end(), m, e, flags, s.begin(), static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: #endif
sl@0: inline bool u32regex_search(const UnicodeString& s, 
sl@0:                         match_results<const UChar*>& m, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::do_regex_search(s.getBuffer(), s.getBuffer() + s.length(), m, e, flags, s.getBuffer(), static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: template <class BidiIterator>
sl@0: inline bool u32regex_search(BidiIterator first, BidiIterator last, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<BidiIterator> m;
sl@0:    return re_detail::do_regex_search(first, last, m, e, flags, first, static_cast<mpl::int_<sizeof(*first)> const*>(0));
sl@0: }
sl@0: inline bool u32regex_search(const UChar* p, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<const UChar*> m;
sl@0:    return re_detail::do_regex_search(p, p+u_strlen(p), m, e, flags, p, static_cast<mpl::int_<2> const*>(0));
sl@0: }
sl@0: #if !defined(U_WCHAR_IS_UTF16) && !defined(BOOST_NO_WREGEX)
sl@0: inline bool u32regex_search(const wchar_t* p, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<const wchar_t*> m;
sl@0:    return re_detail::do_regex_search(p, p+std::wcslen(p), m, e, flags, p, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: #endif
sl@0: inline bool u32regex_search(const char* p, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<const char*> m;
sl@0:    return re_detail::do_regex_search(p, p+std::strlen(p), m, e, flags, p, static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: inline bool u32regex_search(const unsigned char* p, 
sl@0:                  const u32regex& e, 
sl@0:                  match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<const unsigned char*> m;
sl@0:    return re_detail::do_regex_search(p, p+std::strlen((const char*)p), m, e, flags, p, static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: inline bool u32regex_search(const std::string& s, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<std::string::const_iterator> m;
sl@0:    return re_detail::do_regex_search(s.begin(), s.end(), m, e, flags, s.begin(), static_cast<mpl::int_<1> const*>(0));
sl@0: }
sl@0: #ifndef BOOST_NO_STD_WSTRING
sl@0: inline bool u32regex_search(const std::wstring& s, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<std::wstring::const_iterator> m;
sl@0:    return re_detail::do_regex_search(s.begin(), s.end(), m, e, flags, s.begin(), static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: #endif
sl@0: inline bool u32regex_search(const UnicodeString& s, 
sl@0:                         const u32regex& e, 
sl@0:                         match_flag_type flags = match_default)
sl@0: {
sl@0:    match_results<const UChar*> m;
sl@0:    return re_detail::do_regex_search(s.getBuffer(), s.getBuffer() + s.length(), m, e, flags, s.getBuffer(), static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
sl@0: }
sl@0: 
sl@0: //
sl@0: // overloads for regex_replace with utf-8 and utf-16 data types:
sl@0: //
sl@0: namespace re_detail{
sl@0: template <class I>
sl@0: inline std::pair< boost::u8_to_u32_iterator<I>, boost::u8_to_u32_iterator<I> >
sl@0:    make_utf32_seq(I i, I j, mpl::int_<1> const*)
sl@0: {
sl@0:    return std::pair< boost::u8_to_u32_iterator<I>, boost::u8_to_u32_iterator<I> >(boost::u8_to_u32_iterator<I>(i), boost::u8_to_u32_iterator<I>(j));
sl@0: }
sl@0: template <class I>
sl@0: inline std::pair< boost::u16_to_u32_iterator<I>, boost::u16_to_u32_iterator<I> >
sl@0:    make_utf32_seq(I i, I j, mpl::int_<2> const*)
sl@0: {
sl@0:    return std::pair< boost::u16_to_u32_iterator<I>, boost::u16_to_u32_iterator<I> >(boost::u16_to_u32_iterator<I>(i), boost::u16_to_u32_iterator<I>(j));
sl@0: }
sl@0: template <class I>
sl@0: inline std::pair< I, I >
sl@0:    make_utf32_seq(I i, I j, mpl::int_<4> const*)
sl@0: {
sl@0:    return std::pair< I, I >(i, j);
sl@0: }
sl@0: template <class charT>
sl@0: inline std::pair< boost::u8_to_u32_iterator<const charT*>, boost::u8_to_u32_iterator<const charT*> >
sl@0:    make_utf32_seq(const charT* p, mpl::int_<1> const*)
sl@0: {
sl@0:    return std::pair< boost::u8_to_u32_iterator<const charT*>, boost::u8_to_u32_iterator<const charT*> >(boost::u8_to_u32_iterator<const charT*>(p), boost::u8_to_u32_iterator<const charT*>(p+std::strlen((const char*)p)));
sl@0: }
sl@0: template <class charT>
sl@0: inline std::pair< boost::u16_to_u32_iterator<const charT*>, boost::u16_to_u32_iterator<const charT*> >
sl@0:    make_utf32_seq(const charT* p, mpl::int_<2> const*)
sl@0: {
sl@0:    return std::pair< boost::u16_to_u32_iterator<const charT*>, boost::u16_to_u32_iterator<const charT*> >(boost::u16_to_u32_iterator<const charT*>(p), boost::u16_to_u32_iterator<const charT*>(p+u_strlen((const UChar*)p)));
sl@0: }
sl@0: template <class charT>
sl@0: inline std::pair< const charT*, const charT* >
sl@0:    make_utf32_seq(const charT* p, mpl::int_<4> const*)
sl@0: {
sl@0:    return std::pair< const charT*, const charT* >(p, p+icu_regex_traits::length((UChar32 const*)p));
sl@0: }
sl@0: template <class OutputIterator>
sl@0: inline OutputIterator make_utf32_out(OutputIterator o, mpl::int_<4> const*)
sl@0: {
sl@0:    return o;
sl@0: }
sl@0: template <class OutputIterator>
sl@0: inline utf16_output_iterator<OutputIterator> make_utf32_out(OutputIterator o, mpl::int_<2> const*)
sl@0: {
sl@0:    return o;
sl@0: }
sl@0: template <class OutputIterator>
sl@0: inline utf8_output_iterator<OutputIterator> make_utf32_out(OutputIterator o, mpl::int_<1> const*)
sl@0: {
sl@0:    return o;
sl@0: }
sl@0: 
sl@0: template <class OutputIterator, class I1, class I2>
sl@0: OutputIterator do_regex_replace(OutputIterator out,
sl@0:                                  std::pair<I1, I1> const& in,
sl@0:                                  const u32regex& e, 
sl@0:                                  const std::pair<I2, I2>& fmt, 
sl@0:                                  match_flag_type flags
sl@0:                                  )
sl@0: {
sl@0:    // unfortunately we have to copy the format string in order to pass in onward:
sl@0:    std::vector<UChar32> f;
sl@0: #ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
sl@0:    f.assign(fmt.first, fmt.second);
sl@0: #else
sl@0:    f.clear();
sl@0:    I2 pos = fmt.first;
sl@0:    while(pos != fmt.second)
sl@0:       f.push_back(*pos++);
sl@0: #endif
sl@0:    
sl@0:    regex_iterator<I1, UChar32, icu_regex_traits> i(in.first, in.second, e, flags);
sl@0:    regex_iterator<I1, UChar32, icu_regex_traits> j;
sl@0:    if(i == j)
sl@0:    {
sl@0:       if(!(flags & regex_constants::format_no_copy))
sl@0:          out = re_detail::copy(in.first, in.second, out);
sl@0:    }
sl@0:    else
sl@0:    {
sl@0:       I1 last_m = in.first;
sl@0:       while(i != j)
sl@0:       {
sl@0:          if(!(flags & regex_constants::format_no_copy))
sl@0:             out = re_detail::copy(i->prefix().first, i->prefix().second, out); 
sl@0:          if(f.size())
sl@0:             out = ::boost::re_detail::regex_format_imp(out, *i, &*f.begin(), &*f.begin() + f.size(), flags, e.get_traits());
sl@0:          else
sl@0:             out = ::boost::re_detail::regex_format_imp(out, *i, static_cast<UChar32 const*>(0), static_cast<UChar32 const*>(0), flags, e.get_traits());
sl@0:          last_m = (*i)[0].second;
sl@0:          if(flags & regex_constants::format_first_only)
sl@0:             break;
sl@0:          ++i;
sl@0:       }
sl@0:       if(!(flags & regex_constants::format_no_copy))
sl@0:          out = re_detail::copy(last_m, in.second, out);
sl@0:    }
sl@0:    return out;
sl@0: }
sl@0: template <class BaseIterator>
sl@0: inline const BaseIterator& extract_output_base(const BaseIterator& b)
sl@0: {
sl@0:    return b;
sl@0: }
sl@0: template <class BaseIterator>
sl@0: inline BaseIterator extract_output_base(const utf8_output_iterator<BaseIterator>& b)
sl@0: {
sl@0:    return b.base();
sl@0: }
sl@0: template <class BaseIterator>
sl@0: inline BaseIterator extract_output_base(const utf16_output_iterator<BaseIterator>& b)
sl@0: {
sl@0:    return b.base();
sl@0: }
sl@0: }  // re_detail
sl@0: 
sl@0: template <class OutputIterator, class BidirectionalIterator, class charT>
sl@0: inline OutputIterator u32regex_replace(OutputIterator out,
sl@0:                          BidirectionalIterator first,
sl@0:                          BidirectionalIterator last,
sl@0:                          const u32regex& e, 
sl@0:                          const charT* fmt, 
sl@0:                          match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::extract_output_base
sl@0: #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
sl@0:    <OutputIterator>
sl@0: #endif
sl@0:     (
sl@0:       re_detail::do_regex_replace(
sl@0:          re_detail::make_utf32_out(out, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
sl@0:          re_detail::make_utf32_seq(first, last, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
sl@0:          e,
sl@0:          re_detail::make_utf32_seq(fmt, static_cast<mpl::int_<sizeof(*fmt)> const*>(0)),
sl@0:          flags)
sl@0:       );
sl@0: }
sl@0: 
sl@0: template <class OutputIterator, class Iterator, class charT>
sl@0: inline OutputIterator u32regex_replace(OutputIterator out,
sl@0:                          Iterator first,
sl@0:                          Iterator last,
sl@0:                          const u32regex& e, 
sl@0:                          const std::basic_string<charT>& fmt,
sl@0:                          match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::extract_output_base
sl@0: #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
sl@0:    <OutputIterator>
sl@0: #endif
sl@0:     (
sl@0:       re_detail::do_regex_replace(
sl@0:          re_detail::make_utf32_out(out, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
sl@0:          re_detail::make_utf32_seq(first, last, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
sl@0:          e,
sl@0:          re_detail::make_utf32_seq(fmt.begin(), fmt.end(), static_cast<mpl::int_<sizeof(charT)> const*>(0)),
sl@0:          flags)
sl@0:       );
sl@0: }
sl@0: 
sl@0: template <class OutputIterator, class Iterator>
sl@0: inline OutputIterator u32regex_replace(OutputIterator out,
sl@0:                          Iterator first,
sl@0:                          Iterator last,
sl@0:                          const u32regex& e, 
sl@0:                          const UnicodeString& fmt,
sl@0:                          match_flag_type flags = match_default)
sl@0: {
sl@0:    return re_detail::extract_output_base
sl@0: #if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
sl@0:    <OutputIterator>
sl@0: #endif
sl@0:    (
sl@0:       re_detail::do_regex_replace(
sl@0:          re_detail::make_utf32_out(out, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
sl@0:          re_detail::make_utf32_seq(first, last, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
sl@0:          e,
sl@0:          re_detail::make_utf32_seq(fmt.getBuffer(), fmt.getBuffer() + fmt.length(), static_cast<mpl::int_<2> const*>(0)),
sl@0:          flags)
sl@0:       );
sl@0: }
sl@0: 
sl@0: template <class charT>
sl@0: std::basic_string<charT> u32regex_replace(const std::basic_string<charT>& s,
sl@0:                          const u32regex& e, 
sl@0:                          const charT* fmt,
sl@0:                          match_flag_type flags = match_default)
sl@0: {
sl@0:    std::basic_string<charT> result;
sl@0:    re_detail::string_out_iterator<std::basic_string<charT> > i(result);
sl@0:    u32regex_replace(i, s.begin(), s.end(), e, fmt, flags);
sl@0:    return result;
sl@0: }
sl@0: 
sl@0: template <class charT>
sl@0: std::basic_string<charT> u32regex_replace(const std::basic_string<charT>& s,
sl@0:                          const u32regex& e, 
sl@0:                          const std::basic_string<charT>& fmt,
sl@0:                          match_flag_type flags = match_default)
sl@0: {
sl@0:    std::basic_string<charT> result;
sl@0:    re_detail::string_out_iterator<std::basic_string<charT> > i(result);
sl@0:    u32regex_replace(i, s.begin(), s.end(), e, fmt.c_str(), flags);
sl@0:    return result;
sl@0: }
sl@0: 
sl@0: namespace re_detail{
sl@0: 
sl@0: class unicode_string_out_iterator
sl@0: {
sl@0:    UnicodeString* out;
sl@0: public:
sl@0:    unicode_string_out_iterator(UnicodeString& s) : out(&s) {}
sl@0:    unicode_string_out_iterator& operator++() { return *this; }
sl@0:    unicode_string_out_iterator& operator++(int) { return *this; }
sl@0:    unicode_string_out_iterator& operator*() { return *this; }
sl@0:    unicode_string_out_iterator& operator=(UChar v) 
sl@0:    { 
sl@0:       *out += v; 
sl@0:       return *this; 
sl@0:    }
sl@0:    typedef std::ptrdiff_t difference_type;
sl@0:    typedef UChar value_type;
sl@0:    typedef value_type* pointer;
sl@0:    typedef value_type& reference;
sl@0:    typedef std::output_iterator_tag iterator_category;
sl@0: };
sl@0: 
sl@0: }
sl@0: 
sl@0: inline UnicodeString u32regex_replace(const UnicodeString& s,
sl@0:                          const u32regex& e, 
sl@0:                          const UChar* fmt,
sl@0:                          match_flag_type flags = match_default)
sl@0: {
sl@0:    UnicodeString result;
sl@0:    re_detail::unicode_string_out_iterator i(result);
sl@0:    u32regex_replace(i, s.getBuffer(), s.getBuffer()+s.length(), e, fmt, flags);
sl@0:    return result;
sl@0: }
sl@0: 
sl@0: inline UnicodeString u32regex_replace(const UnicodeString& s,
sl@0:                          const u32regex& e, 
sl@0:                          const UnicodeString& fmt,
sl@0:                          match_flag_type flags = match_default)
sl@0: {
sl@0:    UnicodeString result;
sl@0:    re_detail::unicode_string_out_iterator i(result);
sl@0:    re_detail::do_regex_replace(
sl@0:          re_detail::make_utf32_out(i, static_cast<mpl::int_<2> const*>(0)),
sl@0:          re_detail::make_utf32_seq(s.getBuffer(), s.getBuffer()+s.length(), static_cast<mpl::int_<2> const*>(0)),
sl@0:          e,
sl@0:          re_detail::make_utf32_seq(fmt.getBuffer(), fmt.getBuffer() + fmt.length(), static_cast<mpl::int_<2> const*>(0)),
sl@0:          flags);
sl@0:    return result;
sl@0: }
sl@0: 
sl@0: } // namespace boost.
sl@0: 
sl@0: #include <boost/regex/v4/u32regex_iterator.hpp>
sl@0: #include <boost/regex/v4/u32regex_token_iterator.hpp>
sl@0: 
sl@0: #endif