1032 lines
38 KiB
C++
1032 lines
38 KiB
C++
/*
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*
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* Copyright (c) 2004
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* John Maddock
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*
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* Use, modification and distribution are subject to the
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* Boost Software License, Version 1.0. (See accompanying file
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* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*
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*/
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/*
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* LOCATION: see http://www.boost.org for most recent version.
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* FILE icu.hpp
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* VERSION see <boost/version.hpp>
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* DESCRIPTION: Unicode regular expressions on top of the ICU Library.
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*/
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#ifndef BOOST_REGEX_ICU_HPP
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#define BOOST_REGEX_ICU_HPP
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#include <unicode/utypes.h>
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#include <unicode/uchar.h>
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#include <unicode/coll.h>
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#include <boost/regex.hpp>
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#include <boost/regex/pending/unicode_iterator.hpp>
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#include <boost/mpl/int_fwd.hpp>
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#include <bitset>
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#ifdef BOOST_MSVC
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#pragma warning (push)
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#pragma warning (disable: 4251)
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#endif
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namespace boost{
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namespace re_detail{
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//
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// Implementation details:
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//
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class BOOST_REGEX_DECL icu_regex_traits_implementation
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{
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typedef UChar32 char_type;
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typedef std::size_t size_type;
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typedef std::vector<char_type> string_type;
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typedef U_NAMESPACE_QUALIFIER Locale locale_type;
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typedef boost::uint_least32_t char_class_type;
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public:
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icu_regex_traits_implementation(const U_NAMESPACE_QUALIFIER Locale& l)
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: m_locale(l)
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{
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UErrorCode success = U_ZERO_ERROR;
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m_collator.reset(U_NAMESPACE_QUALIFIER Collator::createInstance(l, success));
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if(U_SUCCESS(success) == 0)
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init_error();
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m_collator->setStrength(U_NAMESPACE_QUALIFIER Collator::IDENTICAL);
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success = U_ZERO_ERROR;
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m_primary_collator.reset(U_NAMESPACE_QUALIFIER Collator::createInstance(l, success));
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if(U_SUCCESS(success) == 0)
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init_error();
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m_primary_collator->setStrength(U_NAMESPACE_QUALIFIER Collator::PRIMARY);
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}
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U_NAMESPACE_QUALIFIER Locale getloc()const
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{
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return m_locale;
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}
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string_type do_transform(const char_type* p1, const char_type* p2, const U_NAMESPACE_QUALIFIER Collator* pcoll) const;
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string_type transform(const char_type* p1, const char_type* p2) const
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{
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return do_transform(p1, p2, m_collator.get());
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}
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string_type transform_primary(const char_type* p1, const char_type* p2) const
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{
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return do_transform(p1, p2, m_primary_collator.get());
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}
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private:
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void init_error()
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{
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std::runtime_error e("Could not initialize ICU resources");
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boost::throw_exception(e);
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}
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U_NAMESPACE_QUALIFIER Locale m_locale; // The ICU locale that we're using
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boost::scoped_ptr< U_NAMESPACE_QUALIFIER Collator> m_collator; // The full collation object
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boost::scoped_ptr< U_NAMESPACE_QUALIFIER Collator> m_primary_collator; // The primary collation object
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};
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inline boost::shared_ptr<icu_regex_traits_implementation> get_icu_regex_traits_implementation(const U_NAMESPACE_QUALIFIER Locale& loc)
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{
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return boost::shared_ptr<icu_regex_traits_implementation>(new icu_regex_traits_implementation(loc));
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}
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}
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class BOOST_REGEX_DECL icu_regex_traits
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{
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public:
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typedef UChar32 char_type;
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typedef std::size_t size_type;
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typedef std::vector<char_type> string_type;
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typedef U_NAMESPACE_QUALIFIER Locale locale_type;
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#ifdef BOOST_NO_INT64_T
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typedef std::bitset<64> char_class_type;
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#else
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typedef boost::uint64_t char_class_type;
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#endif
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struct boost_extensions_tag{};
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icu_regex_traits()
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: m_pimpl(re_detail::get_icu_regex_traits_implementation(U_NAMESPACE_QUALIFIER Locale()))
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{
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}
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static size_type length(const char_type* p);
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::boost::regex_constants::syntax_type syntax_type(char_type c)const
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{
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return ((c < 0x7f) && (c > 0)) ? re_detail::get_default_syntax_type(static_cast<char>(c)) : regex_constants::syntax_char;
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}
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::boost::regex_constants::escape_syntax_type escape_syntax_type(char_type c) const
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{
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return ((c < 0x7f) && (c > 0)) ? re_detail::get_default_escape_syntax_type(static_cast<char>(c)) : regex_constants::syntax_char;
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}
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char_type translate(char_type c) const
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{
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return c;
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}
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char_type translate_nocase(char_type c) const
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{
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return ::u_tolower(c);
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}
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char_type translate(char_type c, bool icase) const
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{
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return icase ? translate_nocase(c) : translate(c);
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}
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char_type tolower(char_type c) const
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{
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return ::u_tolower(c);
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}
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char_type toupper(char_type c) const
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{
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return ::u_toupper(c);
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}
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string_type transform(const char_type* p1, const char_type* p2) const
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{
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return m_pimpl->transform(p1, p2);
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}
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string_type transform_primary(const char_type* p1, const char_type* p2) const
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{
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return m_pimpl->transform_primary(p1, p2);
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}
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char_class_type lookup_classname(const char_type* p1, const char_type* p2) const;
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string_type lookup_collatename(const char_type* p1, const char_type* p2) const;
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bool isctype(char_type c, char_class_type f) const;
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int toi(const char_type*& p1, const char_type* p2, int radix)const
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{
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return re_detail::global_toi(p1, p2, radix, *this);
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}
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int value(char_type c, int radix)const
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{
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return u_digit(c, static_cast< ::int8_t>(radix));
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}
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locale_type imbue(locale_type l)
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{
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locale_type result(m_pimpl->getloc());
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m_pimpl = re_detail::get_icu_regex_traits_implementation(l);
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return result;
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}
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locale_type getloc()const
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{
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return locale_type();
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}
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std::string error_string(::boost::regex_constants::error_type n) const
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{
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return re_detail::get_default_error_string(n);
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}
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private:
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icu_regex_traits(const icu_regex_traits&);
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icu_regex_traits& operator=(const icu_regex_traits&);
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//
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// define the bitmasks offsets we need for additional character properties:
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//
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enum{
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offset_blank = U_CHAR_CATEGORY_COUNT,
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offset_space = U_CHAR_CATEGORY_COUNT+1,
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offset_xdigit = U_CHAR_CATEGORY_COUNT+2,
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offset_underscore = U_CHAR_CATEGORY_COUNT+3,
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offset_unicode = U_CHAR_CATEGORY_COUNT+4,
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offset_any = U_CHAR_CATEGORY_COUNT+5,
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offset_ascii = U_CHAR_CATEGORY_COUNT+6,
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offset_horizontal = U_CHAR_CATEGORY_COUNT+7,
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offset_vertical = U_CHAR_CATEGORY_COUNT+8
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};
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//
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// and now the masks:
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//
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static const char_class_type mask_blank;
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static const char_class_type mask_space;
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static const char_class_type mask_xdigit;
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static const char_class_type mask_underscore;
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static const char_class_type mask_unicode;
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static const char_class_type mask_any;
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static const char_class_type mask_ascii;
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static const char_class_type mask_horizontal;
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static const char_class_type mask_vertical;
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static char_class_type lookup_icu_mask(const ::UChar32* p1, const ::UChar32* p2);
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boost::shared_ptr< ::boost::re_detail::icu_regex_traits_implementation> m_pimpl;
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};
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} // namespace boost
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//
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// template instances:
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//
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#define BOOST_REGEX_CHAR_T UChar32
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#undef BOOST_REGEX_TRAITS_T
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#define BOOST_REGEX_TRAITS_T , icu_regex_traits
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#define BOOST_REGEX_ICU_INSTANCES
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#ifdef BOOST_REGEX_ICU_INSTANTIATE
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# define BOOST_REGEX_INSTANTIATE
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#endif
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#include <boost/regex/v4/instances.hpp>
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#undef BOOST_REGEX_CHAR_T
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#undef BOOST_REGEX_TRAITS_T
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#undef BOOST_REGEX_ICU_INSTANCES
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#ifdef BOOST_REGEX_INSTANTIATE
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# undef BOOST_REGEX_INSTANTIATE
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#endif
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namespace boost{
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// types:
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typedef basic_regex< ::UChar32, icu_regex_traits> u32regex;
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typedef match_results<const ::UChar32*> u32match;
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typedef match_results<const ::UChar*> u16match;
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//
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// Construction of 32-bit regex types from UTF-8 and UTF-16 primitives:
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//
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namespace re_detail{
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#if !defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(__IBMCPP__)
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template <class InputIterator>
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inline u32regex do_make_u32regex(InputIterator i,
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InputIterator j,
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boost::regex_constants::syntax_option_type opt,
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const boost::mpl::int_<1>*)
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{
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typedef boost::u8_to_u32_iterator<InputIterator, UChar32> conv_type;
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return u32regex(conv_type(i, i, j), conv_type(j, i, j), opt);
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}
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template <class InputIterator>
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inline u32regex do_make_u32regex(InputIterator i,
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InputIterator j,
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boost::regex_constants::syntax_option_type opt,
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const boost::mpl::int_<2>*)
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{
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typedef boost::u16_to_u32_iterator<InputIterator, UChar32> conv_type;
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return u32regex(conv_type(i, i, j), conv_type(j, i, j), opt);
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}
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template <class InputIterator>
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inline u32regex do_make_u32regex(InputIterator i,
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InputIterator j,
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boost::regex_constants::syntax_option_type opt,
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const boost::mpl::int_<4>*)
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{
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return u32regex(i, j, opt);
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}
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#else
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template <class InputIterator>
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inline u32regex do_make_u32regex(InputIterator i,
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InputIterator j,
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boost::regex_constants::syntax_option_type opt,
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const boost::mpl::int_<1>*)
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{
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typedef boost::u8_to_u32_iterator<InputIterator, UChar32> conv_type;
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typedef std::vector<UChar32> vector_type;
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vector_type v;
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conv_type a(i, i, j), b(j, i, j);
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while(a != b)
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{
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v.push_back(*a);
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++a;
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}
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if(v.size())
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return u32regex(&*v.begin(), v.size(), opt);
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return u32regex(static_cast<UChar32 const*>(0), static_cast<u32regex::size_type>(0), opt);
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}
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template <class InputIterator>
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inline u32regex do_make_u32regex(InputIterator i,
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InputIterator j,
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boost::regex_constants::syntax_option_type opt,
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const boost::mpl::int_<2>*)
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{
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typedef boost::u16_to_u32_iterator<InputIterator, UChar32> conv_type;
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typedef std::vector<UChar32> vector_type;
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vector_type v;
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conv_type a(i, i, j), b(j, i, j);
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while(a != b)
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{
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v.push_back(*a);
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++a;
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}
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if(v.size())
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return u32regex(&*v.begin(), v.size(), opt);
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return u32regex(static_cast<UChar32 const*>(0), static_cast<u32regex::size_type>(0), opt);
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}
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template <class InputIterator>
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inline u32regex do_make_u32regex(InputIterator i,
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InputIterator j,
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boost::regex_constants::syntax_option_type opt,
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const boost::mpl::int_<4>*)
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{
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typedef std::vector<UChar32> vector_type;
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vector_type v;
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while(i != j)
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{
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v.push_back((UChar32)(*i));
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++i;
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}
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if(v.size())
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return u32regex(&*v.begin(), v.size(), opt);
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return u32regex(static_cast<UChar32 const*>(0), static_cast<u32regex::size_type>(0), opt);
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}
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#endif
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}
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//
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// Construction from an iterator pair:
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//
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template <class InputIterator>
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inline u32regex make_u32regex(InputIterator i,
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InputIterator j,
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boost::regex_constants::syntax_option_type opt)
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{
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return re_detail::do_make_u32regex(i, j, opt, static_cast<boost::mpl::int_<sizeof(*i)> const*>(0));
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}
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//
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// construction from UTF-8 nul-terminated strings:
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//
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inline u32regex make_u32regex(const char* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
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{
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return re_detail::do_make_u32regex(p, p + std::strlen(p), opt, static_cast<boost::mpl::int_<1> const*>(0));
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}
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inline u32regex make_u32regex(const unsigned char* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
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{
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return re_detail::do_make_u32regex(p, p + std::strlen(reinterpret_cast<const char*>(p)), opt, static_cast<boost::mpl::int_<1> const*>(0));
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}
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//
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// construction from UTF-16 nul-terminated strings:
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//
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#ifndef BOOST_NO_WREGEX
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inline u32regex make_u32regex(const wchar_t* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
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{
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return re_detail::do_make_u32regex(p, p + std::wcslen(p), opt, static_cast<boost::mpl::int_<sizeof(wchar_t)> const*>(0));
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}
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#endif
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#if !defined(U_WCHAR_IS_UTF16) && (U_SIZEOF_WCHAR_T != 2)
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inline u32regex make_u32regex(const UChar* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
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{
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return re_detail::do_make_u32regex(p, p + u_strlen(p), opt, static_cast<boost::mpl::int_<2> const*>(0));
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}
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#endif
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//
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// construction from basic_string class-template:
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//
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template<class C, class T, class A>
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inline u32regex make_u32regex(const std::basic_string<C, T, A>& s, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
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{
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return re_detail::do_make_u32regex(s.begin(), s.end(), opt, static_cast<boost::mpl::int_<sizeof(C)> const*>(0));
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}
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//
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// Construction from ICU string type:
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//
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inline u32regex make_u32regex(const U_NAMESPACE_QUALIFIER UnicodeString& s, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
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{
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return re_detail::do_make_u32regex(s.getBuffer(), s.getBuffer() + s.length(), opt, static_cast<boost::mpl::int_<2> const*>(0));
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}
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//
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// regex_match overloads that widen the character type as appropriate:
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//
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namespace re_detail{
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template<class MR1, class MR2>
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void copy_results(MR1& out, MR2 const& in)
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{
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// copy results from an adapted MR2 match_results:
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out.set_size(in.size(), in.prefix().first.base(), in.suffix().second.base());
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out.set_base(in.base().base());
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for(int i = 0; i < (int)in.size(); ++i)
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{
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if(in[i].matched)
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{
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out.set_first(in[i].first.base(), i);
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out.set_second(in[i].second.base(), i);
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}
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}
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}
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template <class BidiIterator, class Allocator>
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inline bool do_regex_match(BidiIterator first, BidiIterator last,
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match_results<BidiIterator, Allocator>& m,
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const u32regex& e,
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match_flag_type flags,
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boost::mpl::int_<4> const*)
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{
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return ::boost::regex_match(first, last, m, e, flags);
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}
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template <class BidiIterator, class Allocator>
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bool do_regex_match(BidiIterator first, BidiIterator last,
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match_results<BidiIterator, Allocator>& m,
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const u32regex& e,
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match_flag_type flags,
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boost::mpl::int_<2> const*)
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{
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typedef u16_to_u32_iterator<BidiIterator, UChar32> conv_type;
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typedef match_results<conv_type> match_type;
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typedef typename match_type::allocator_type alloc_type;
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match_type what;
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bool result = ::boost::regex_match(conv_type(first, first, last), conv_type(last, first, last), what, e, flags);
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// copy results across to m:
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if(result) copy_results(m, what);
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return result;
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}
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template <class BidiIterator, class Allocator>
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bool do_regex_match(BidiIterator first, BidiIterator last,
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match_results<BidiIterator, Allocator>& m,
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const u32regex& e,
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match_flag_type flags,
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boost::mpl::int_<1> const*)
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{
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typedef u8_to_u32_iterator<BidiIterator, UChar32> conv_type;
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typedef match_results<conv_type> match_type;
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typedef typename match_type::allocator_type alloc_type;
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match_type what;
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bool result = ::boost::regex_match(conv_type(first, first, last), conv_type(last, first, last), what, e, flags);
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// copy results across to m:
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if(result) copy_results(m, what);
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return result;
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}
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} // namespace re_detail
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template <class BidiIterator, class Allocator>
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inline bool u32regex_match(BidiIterator first, BidiIterator last,
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match_results<BidiIterator, Allocator>& m,
|
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const u32regex& e,
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match_flag_type flags = match_default)
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{
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return re_detail::do_regex_match(first, last, m, e, flags, static_cast<mpl::int_<sizeof(*first)> const*>(0));
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}
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inline bool u32regex_match(const UChar* p,
|
|
match_results<const UChar*>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_match(p, p+u_strlen(p), m, e, flags, static_cast<mpl::int_<2> const*>(0));
|
|
}
|
|
#if !defined(U_WCHAR_IS_UTF16) && (U_SIZEOF_WCHAR_T != 2) && !defined(BOOST_NO_WREGEX)
|
|
inline bool u32regex_match(const wchar_t* p,
|
|
match_results<const wchar_t*>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_match(p, p+std::wcslen(p), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
|
|
}
|
|
#endif
|
|
inline bool u32regex_match(const char* p,
|
|
match_results<const char*>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_match(p, p+std::strlen(p), m, e, flags, static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
inline bool u32regex_match(const unsigned char* p,
|
|
match_results<const unsigned char*>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_match(p, p+std::strlen((const char*)p), m, e, flags, static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
inline bool u32regex_match(const std::string& s,
|
|
match_results<std::string::const_iterator>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_match(s.begin(), s.end(), m, e, flags, static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
#ifndef BOOST_NO_STD_WSTRING
|
|
inline bool u32regex_match(const std::wstring& s,
|
|
match_results<std::wstring::const_iterator>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_match(s.begin(), s.end(), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
|
|
}
|
|
#endif
|
|
inline bool u32regex_match(const U_NAMESPACE_QUALIFIER UnicodeString& s,
|
|
match_results<const UChar*>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_match(s.getBuffer(), s.getBuffer() + s.length(), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
|
|
}
|
|
//
|
|
// regex_match overloads that do not return what matched:
|
|
//
|
|
template <class BidiIterator>
|
|
inline bool u32regex_match(BidiIterator first, BidiIterator last,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<BidiIterator> m;
|
|
return re_detail::do_regex_match(first, last, m, e, flags, static_cast<mpl::int_<sizeof(*first)> const*>(0));
|
|
}
|
|
inline bool u32regex_match(const UChar* p,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<const UChar*> m;
|
|
return re_detail::do_regex_match(p, p+u_strlen(p), m, e, flags, static_cast<mpl::int_<2> const*>(0));
|
|
}
|
|
#if !defined(U_WCHAR_IS_UTF16) && (U_SIZEOF_WCHAR_T != 2) && !defined(BOOST_NO_WREGEX)
|
|
inline bool u32regex_match(const wchar_t* p,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<const wchar_t*> m;
|
|
return re_detail::do_regex_match(p, p+std::wcslen(p), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
|
|
}
|
|
#endif
|
|
inline bool u32regex_match(const char* p,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<const char*> m;
|
|
return re_detail::do_regex_match(p, p+std::strlen(p), m, e, flags, static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
inline bool u32regex_match(const unsigned char* p,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<const unsigned char*> m;
|
|
return re_detail::do_regex_match(p, p+std::strlen((const char*)p), m, e, flags, static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
inline bool u32regex_match(const std::string& s,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<std::string::const_iterator> m;
|
|
return re_detail::do_regex_match(s.begin(), s.end(), m, e, flags, static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
#ifndef BOOST_NO_STD_WSTRING
|
|
inline bool u32regex_match(const std::wstring& s,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<std::wstring::const_iterator> m;
|
|
return re_detail::do_regex_match(s.begin(), s.end(), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
|
|
}
|
|
#endif
|
|
inline bool u32regex_match(const U_NAMESPACE_QUALIFIER UnicodeString& s,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<const UChar*> m;
|
|
return re_detail::do_regex_match(s.getBuffer(), s.getBuffer() + s.length(), m, e, flags, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
|
|
}
|
|
|
|
//
|
|
// regex_search overloads that widen the character type as appropriate:
|
|
//
|
|
namespace re_detail{
|
|
template <class BidiIterator, class Allocator>
|
|
inline bool do_regex_search(BidiIterator first, BidiIterator last,
|
|
match_results<BidiIterator, Allocator>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags,
|
|
BidiIterator base,
|
|
boost::mpl::int_<4> const*)
|
|
{
|
|
return ::boost::regex_search(first, last, m, e, flags, base);
|
|
}
|
|
template <class BidiIterator, class Allocator>
|
|
bool do_regex_search(BidiIterator first, BidiIterator last,
|
|
match_results<BidiIterator, Allocator>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags,
|
|
BidiIterator base,
|
|
boost::mpl::int_<2> const*)
|
|
{
|
|
typedef u16_to_u32_iterator<BidiIterator, UChar32> conv_type;
|
|
typedef match_results<conv_type> match_type;
|
|
typedef typename match_type::allocator_type alloc_type;
|
|
match_type what;
|
|
bool result = ::boost::regex_search(conv_type(first, first, last), conv_type(last, first, last), what, e, flags, conv_type(base));
|
|
// copy results across to m:
|
|
if(result) copy_results(m, what);
|
|
return result;
|
|
}
|
|
template <class BidiIterator, class Allocator>
|
|
bool do_regex_search(BidiIterator first, BidiIterator last,
|
|
match_results<BidiIterator, Allocator>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags,
|
|
BidiIterator base,
|
|
boost::mpl::int_<1> const*)
|
|
{
|
|
typedef u8_to_u32_iterator<BidiIterator, UChar32> conv_type;
|
|
typedef match_results<conv_type> match_type;
|
|
typedef typename match_type::allocator_type alloc_type;
|
|
match_type what;
|
|
bool result = ::boost::regex_search(conv_type(first, first, last), conv_type(last, first, last), what, e, flags, conv_type(base));
|
|
// copy results across to m:
|
|
if(result) copy_results(m, what);
|
|
return result;
|
|
}
|
|
}
|
|
|
|
template <class BidiIterator, class Allocator>
|
|
inline bool u32regex_search(BidiIterator first, BidiIterator last,
|
|
match_results<BidiIterator, Allocator>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_search(first, last, m, e, flags, first, static_cast<mpl::int_<sizeof(*first)> const*>(0));
|
|
}
|
|
template <class BidiIterator, class Allocator>
|
|
inline bool u32regex_search(BidiIterator first, BidiIterator last,
|
|
match_results<BidiIterator, Allocator>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags,
|
|
BidiIterator base)
|
|
{
|
|
return re_detail::do_regex_search(first, last, m, e, flags, base, static_cast<mpl::int_<sizeof(*first)> const*>(0));
|
|
}
|
|
inline bool u32regex_search(const UChar* p,
|
|
match_results<const UChar*>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_search(p, p+u_strlen(p), m, e, flags, p, static_cast<mpl::int_<2> const*>(0));
|
|
}
|
|
#if !defined(U_WCHAR_IS_UTF16) && (U_SIZEOF_WCHAR_T != 2) && !defined(BOOST_NO_WREGEX)
|
|
inline bool u32regex_search(const wchar_t* p,
|
|
match_results<const wchar_t*>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_search(p, p+std::wcslen(p), m, e, flags, p, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
|
|
}
|
|
#endif
|
|
inline bool u32regex_search(const char* p,
|
|
match_results<const char*>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_search(p, p+std::strlen(p), m, e, flags, p, static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
inline bool u32regex_search(const unsigned char* p,
|
|
match_results<const unsigned char*>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_search(p, p+std::strlen((const char*)p), m, e, flags, p, static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
inline bool u32regex_search(const std::string& s,
|
|
match_results<std::string::const_iterator>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_search(s.begin(), s.end(), m, e, flags, s.begin(), static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
#ifndef BOOST_NO_STD_WSTRING
|
|
inline bool u32regex_search(const std::wstring& s,
|
|
match_results<std::wstring::const_iterator>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::do_regex_search(s.begin(), s.end(), m, e, flags, s.begin(), static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
|
|
}
|
|
#endif
|
|
inline bool u32regex_search(const U_NAMESPACE_QUALIFIER UnicodeString& s,
|
|
match_results<const UChar*>& m,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
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));
|
|
}
|
|
template <class BidiIterator>
|
|
inline bool u32regex_search(BidiIterator first, BidiIterator last,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<BidiIterator> m;
|
|
return re_detail::do_regex_search(first, last, m, e, flags, first, static_cast<mpl::int_<sizeof(*first)> const*>(0));
|
|
}
|
|
inline bool u32regex_search(const UChar* p,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<const UChar*> m;
|
|
return re_detail::do_regex_search(p, p+u_strlen(p), m, e, flags, p, static_cast<mpl::int_<2> const*>(0));
|
|
}
|
|
#if !defined(U_WCHAR_IS_UTF16) && (U_SIZEOF_WCHAR_T != 2) && !defined(BOOST_NO_WREGEX)
|
|
inline bool u32regex_search(const wchar_t* p,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<const wchar_t*> m;
|
|
return re_detail::do_regex_search(p, p+std::wcslen(p), m, e, flags, p, static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
|
|
}
|
|
#endif
|
|
inline bool u32regex_search(const char* p,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<const char*> m;
|
|
return re_detail::do_regex_search(p, p+std::strlen(p), m, e, flags, p, static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
inline bool u32regex_search(const unsigned char* p,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<const unsigned char*> m;
|
|
return re_detail::do_regex_search(p, p+std::strlen((const char*)p), m, e, flags, p, static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
inline bool u32regex_search(const std::string& s,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<std::string::const_iterator> m;
|
|
return re_detail::do_regex_search(s.begin(), s.end(), m, e, flags, s.begin(), static_cast<mpl::int_<1> const*>(0));
|
|
}
|
|
#ifndef BOOST_NO_STD_WSTRING
|
|
inline bool u32regex_search(const std::wstring& s,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<std::wstring::const_iterator> m;
|
|
return re_detail::do_regex_search(s.begin(), s.end(), m, e, flags, s.begin(), static_cast<mpl::int_<sizeof(wchar_t)> const*>(0));
|
|
}
|
|
#endif
|
|
inline bool u32regex_search(const U_NAMESPACE_QUALIFIER UnicodeString& s,
|
|
const u32regex& e,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
match_results<const UChar*> m;
|
|
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));
|
|
}
|
|
|
|
//
|
|
// overloads for regex_replace with utf-8 and utf-16 data types:
|
|
//
|
|
namespace re_detail{
|
|
template <class I>
|
|
inline std::pair< boost::u8_to_u32_iterator<I>, boost::u8_to_u32_iterator<I> >
|
|
make_utf32_seq(I i, I j, mpl::int_<1> const*)
|
|
{
|
|
return std::pair< boost::u8_to_u32_iterator<I>, boost::u8_to_u32_iterator<I> >(boost::u8_to_u32_iterator<I>(i, i, j), boost::u8_to_u32_iterator<I>(j, i, j));
|
|
}
|
|
template <class I>
|
|
inline std::pair< boost::u16_to_u32_iterator<I>, boost::u16_to_u32_iterator<I> >
|
|
make_utf32_seq(I i, I j, mpl::int_<2> const*)
|
|
{
|
|
return std::pair< boost::u16_to_u32_iterator<I>, boost::u16_to_u32_iterator<I> >(boost::u16_to_u32_iterator<I>(i, i, j), boost::u16_to_u32_iterator<I>(j, i, j));
|
|
}
|
|
template <class I>
|
|
inline std::pair< I, I >
|
|
make_utf32_seq(I i, I j, mpl::int_<4> const*)
|
|
{
|
|
return std::pair< I, I >(i, j);
|
|
}
|
|
template <class charT>
|
|
inline std::pair< boost::u8_to_u32_iterator<const charT*>, boost::u8_to_u32_iterator<const charT*> >
|
|
make_utf32_seq(const charT* p, mpl::int_<1> const*)
|
|
{
|
|
std::size_t len = std::strlen((const char*)p);
|
|
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, p, p+len), boost::u8_to_u32_iterator<const charT*>(p+len, p, p+len));
|
|
}
|
|
template <class charT>
|
|
inline std::pair< boost::u16_to_u32_iterator<const charT*>, boost::u16_to_u32_iterator<const charT*> >
|
|
make_utf32_seq(const charT* p, mpl::int_<2> const*)
|
|
{
|
|
std::size_t len = u_strlen((const UChar*)p);
|
|
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, p, p + len), boost::u16_to_u32_iterator<const charT*>(p+len, p, p + len));
|
|
}
|
|
template <class charT>
|
|
inline std::pair< const charT*, const charT* >
|
|
make_utf32_seq(const charT* p, mpl::int_<4> const*)
|
|
{
|
|
return std::pair< const charT*, const charT* >(p, p+icu_regex_traits::length((UChar32 const*)p));
|
|
}
|
|
template <class OutputIterator>
|
|
inline OutputIterator make_utf32_out(OutputIterator o, mpl::int_<4> const*)
|
|
{
|
|
return o;
|
|
}
|
|
template <class OutputIterator>
|
|
inline utf16_output_iterator<OutputIterator> make_utf32_out(OutputIterator o, mpl::int_<2> const*)
|
|
{
|
|
return o;
|
|
}
|
|
template <class OutputIterator>
|
|
inline utf8_output_iterator<OutputIterator> make_utf32_out(OutputIterator o, mpl::int_<1> const*)
|
|
{
|
|
return o;
|
|
}
|
|
|
|
template <class OutputIterator, class I1, class I2>
|
|
OutputIterator do_regex_replace(OutputIterator out,
|
|
std::pair<I1, I1> const& in,
|
|
const u32regex& e,
|
|
const std::pair<I2, I2>& fmt,
|
|
match_flag_type flags
|
|
)
|
|
{
|
|
// unfortunately we have to copy the format string in order to pass in onward:
|
|
std::vector<UChar32> f;
|
|
#ifndef BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS
|
|
f.assign(fmt.first, fmt.second);
|
|
#else
|
|
f.clear();
|
|
I2 pos = fmt.first;
|
|
while(pos != fmt.second)
|
|
f.push_back(*pos++);
|
|
#endif
|
|
|
|
regex_iterator<I1, UChar32, icu_regex_traits> i(in.first, in.second, e, flags);
|
|
regex_iterator<I1, UChar32, icu_regex_traits> j;
|
|
if(i == j)
|
|
{
|
|
if(!(flags & regex_constants::format_no_copy))
|
|
out = re_detail::copy(in.first, in.second, out);
|
|
}
|
|
else
|
|
{
|
|
I1 last_m = in.first;
|
|
while(i != j)
|
|
{
|
|
if(!(flags & regex_constants::format_no_copy))
|
|
out = re_detail::copy(i->prefix().first, i->prefix().second, out);
|
|
if(f.size())
|
|
out = ::boost::re_detail::regex_format_imp(out, *i, &*f.begin(), &*f.begin() + f.size(), flags, e.get_traits());
|
|
else
|
|
out = ::boost::re_detail::regex_format_imp(out, *i, static_cast<UChar32 const*>(0), static_cast<UChar32 const*>(0), flags, e.get_traits());
|
|
last_m = (*i)[0].second;
|
|
if(flags & regex_constants::format_first_only)
|
|
break;
|
|
++i;
|
|
}
|
|
if(!(flags & regex_constants::format_no_copy))
|
|
out = re_detail::copy(last_m, in.second, out);
|
|
}
|
|
return out;
|
|
}
|
|
template <class BaseIterator>
|
|
inline const BaseIterator& extract_output_base(const BaseIterator& b)
|
|
{
|
|
return b;
|
|
}
|
|
template <class BaseIterator>
|
|
inline BaseIterator extract_output_base(const utf8_output_iterator<BaseIterator>& b)
|
|
{
|
|
return b.base();
|
|
}
|
|
template <class BaseIterator>
|
|
inline BaseIterator extract_output_base(const utf16_output_iterator<BaseIterator>& b)
|
|
{
|
|
return b.base();
|
|
}
|
|
} // re_detail
|
|
|
|
template <class OutputIterator, class BidirectionalIterator, class charT>
|
|
inline OutputIterator u32regex_replace(OutputIterator out,
|
|
BidirectionalIterator first,
|
|
BidirectionalIterator last,
|
|
const u32regex& e,
|
|
const charT* fmt,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::extract_output_base
|
|
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
|
|
<OutputIterator>
|
|
#endif
|
|
(
|
|
re_detail::do_regex_replace(
|
|
re_detail::make_utf32_out(out, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
|
|
re_detail::make_utf32_seq(first, last, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
|
|
e,
|
|
re_detail::make_utf32_seq(fmt, static_cast<mpl::int_<sizeof(*fmt)> const*>(0)),
|
|
flags)
|
|
);
|
|
}
|
|
|
|
template <class OutputIterator, class Iterator, class charT>
|
|
inline OutputIterator u32regex_replace(OutputIterator out,
|
|
Iterator first,
|
|
Iterator last,
|
|
const u32regex& e,
|
|
const std::basic_string<charT>& fmt,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::extract_output_base
|
|
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
|
|
<OutputIterator>
|
|
#endif
|
|
(
|
|
re_detail::do_regex_replace(
|
|
re_detail::make_utf32_out(out, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
|
|
re_detail::make_utf32_seq(first, last, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
|
|
e,
|
|
re_detail::make_utf32_seq(fmt.begin(), fmt.end(), static_cast<mpl::int_<sizeof(charT)> const*>(0)),
|
|
flags)
|
|
);
|
|
}
|
|
|
|
template <class OutputIterator, class Iterator>
|
|
inline OutputIterator u32regex_replace(OutputIterator out,
|
|
Iterator first,
|
|
Iterator last,
|
|
const u32regex& e,
|
|
const U_NAMESPACE_QUALIFIER UnicodeString& fmt,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
return re_detail::extract_output_base
|
|
#if BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
|
|
<OutputIterator>
|
|
#endif
|
|
(
|
|
re_detail::do_regex_replace(
|
|
re_detail::make_utf32_out(out, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
|
|
re_detail::make_utf32_seq(first, last, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
|
|
e,
|
|
re_detail::make_utf32_seq(fmt.getBuffer(), fmt.getBuffer() + fmt.length(), static_cast<mpl::int_<2> const*>(0)),
|
|
flags)
|
|
);
|
|
}
|
|
|
|
template <class charT>
|
|
std::basic_string<charT> u32regex_replace(const std::basic_string<charT>& s,
|
|
const u32regex& e,
|
|
const charT* fmt,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
std::basic_string<charT> result;
|
|
re_detail::string_out_iterator<std::basic_string<charT> > i(result);
|
|
u32regex_replace(i, s.begin(), s.end(), e, fmt, flags);
|
|
return result;
|
|
}
|
|
|
|
template <class charT>
|
|
std::basic_string<charT> u32regex_replace(const std::basic_string<charT>& s,
|
|
const u32regex& e,
|
|
const std::basic_string<charT>& fmt,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
std::basic_string<charT> result;
|
|
re_detail::string_out_iterator<std::basic_string<charT> > i(result);
|
|
u32regex_replace(i, s.begin(), s.end(), e, fmt.c_str(), flags);
|
|
return result;
|
|
}
|
|
|
|
namespace re_detail{
|
|
|
|
class unicode_string_out_iterator
|
|
{
|
|
U_NAMESPACE_QUALIFIER UnicodeString* out;
|
|
public:
|
|
unicode_string_out_iterator(U_NAMESPACE_QUALIFIER UnicodeString& s) : out(&s) {}
|
|
unicode_string_out_iterator& operator++() { return *this; }
|
|
unicode_string_out_iterator& operator++(int) { return *this; }
|
|
unicode_string_out_iterator& operator*() { return *this; }
|
|
unicode_string_out_iterator& operator=(UChar v)
|
|
{
|
|
*out += v;
|
|
return *this;
|
|
}
|
|
typedef std::ptrdiff_t difference_type;
|
|
typedef UChar value_type;
|
|
typedef value_type* pointer;
|
|
typedef value_type& reference;
|
|
typedef std::output_iterator_tag iterator_category;
|
|
};
|
|
|
|
}
|
|
|
|
inline U_NAMESPACE_QUALIFIER UnicodeString u32regex_replace(const U_NAMESPACE_QUALIFIER UnicodeString& s,
|
|
const u32regex& e,
|
|
const UChar* fmt,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
U_NAMESPACE_QUALIFIER UnicodeString result;
|
|
re_detail::unicode_string_out_iterator i(result);
|
|
u32regex_replace(i, s.getBuffer(), s.getBuffer()+s.length(), e, fmt, flags);
|
|
return result;
|
|
}
|
|
|
|
inline U_NAMESPACE_QUALIFIER UnicodeString u32regex_replace(const U_NAMESPACE_QUALIFIER UnicodeString& s,
|
|
const u32regex& e,
|
|
const U_NAMESPACE_QUALIFIER UnicodeString& fmt,
|
|
match_flag_type flags = match_default)
|
|
{
|
|
U_NAMESPACE_QUALIFIER UnicodeString result;
|
|
re_detail::unicode_string_out_iterator i(result);
|
|
re_detail::do_regex_replace(
|
|
re_detail::make_utf32_out(i, static_cast<mpl::int_<2> const*>(0)),
|
|
re_detail::make_utf32_seq(s.getBuffer(), s.getBuffer()+s.length(), static_cast<mpl::int_<2> const*>(0)),
|
|
e,
|
|
re_detail::make_utf32_seq(fmt.getBuffer(), fmt.getBuffer() + fmt.length(), static_cast<mpl::int_<2> const*>(0)),
|
|
flags);
|
|
return result;
|
|
}
|
|
|
|
} // namespace boost.
|
|
|
|
#ifdef BOOST_MSVC
|
|
#pragma warning (pop)
|
|
#endif
|
|
|
|
#include <boost/regex/v4/u32regex_iterator.hpp>
|
|
#include <boost/regex/v4/u32regex_token_iterator.hpp>
|
|
|
|
#endif
|