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ext-boost/boost/regex/icu.hpp
fearlessTobi 43274a0449 Update boost to 1.71 and add asio
2019-08-24 15:39:04 +02:00

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/*
*
* Copyright (c) 2004
* John Maddock
*
* Use, modification and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
*/
/*
* LOCATION: see http://www.boost.org for most recent version.
* FILE icu.hpp
* VERSION see <boost/version.hpp>
* DESCRIPTION: Unicode regular expressions on top of the ICU Library.
*/
#ifndef BOOST_REGEX_ICU_HPP
#define BOOST_REGEX_ICU_HPP
#include <boost/config.hpp>
#include <unicode/utypes.h>
#include <unicode/uchar.h>
#include <unicode/coll.h>
#include <boost/regex.hpp>
#include <boost/regex/pending/unicode_iterator.hpp>
#include <boost/mpl/int_fwd.hpp>
#include <boost/static_assert.hpp>
#include <bitset>
#ifdef BOOST_MSVC
#pragma warning (push)
#pragma warning (disable: 4251)
#endif
namespace boost{
namespace BOOST_REGEX_DETAIL_NS{
//
// Implementation details:
//
class BOOST_REGEX_DECL icu_regex_traits_implementation
{
typedef UChar32 char_type;
typedef std::size_t size_type;
typedef std::vector<char_type> string_type;
typedef U_NAMESPACE_QUALIFIER Locale locale_type;
typedef boost::uint_least32_t char_class_type;
public:
icu_regex_traits_implementation(const U_NAMESPACE_QUALIFIER Locale& l)
: m_locale(l)
{
UErrorCode success = U_ZERO_ERROR;
m_collator.reset(U_NAMESPACE_QUALIFIER Collator::createInstance(l, success));
if(U_SUCCESS(success) == 0)
init_error();
m_collator->setStrength(U_NAMESPACE_QUALIFIER Collator::IDENTICAL);
success = U_ZERO_ERROR;
m_primary_collator.reset(U_NAMESPACE_QUALIFIER Collator::createInstance(l, success));
if(U_SUCCESS(success) == 0)
init_error();
m_primary_collator->setStrength(U_NAMESPACE_QUALIFIER Collator::PRIMARY);
}
U_NAMESPACE_QUALIFIER Locale getloc()const
{
return m_locale;
}
string_type do_transform(const char_type* p1, const char_type* p2, const U_NAMESPACE_QUALIFIER Collator* pcoll) const;
string_type transform(const char_type* p1, const char_type* p2) const
{
return do_transform(p1, p2, m_collator.get());
}
string_type transform_primary(const char_type* p1, const char_type* p2) const
{
return do_transform(p1, p2, m_primary_collator.get());
}
private:
void init_error()
{
std::runtime_error e("Could not initialize ICU resources");
boost::throw_exception(e);
}
U_NAMESPACE_QUALIFIER Locale m_locale; // The ICU locale that we're using
boost::scoped_ptr< U_NAMESPACE_QUALIFIER Collator> m_collator; // The full collation object
boost::scoped_ptr< U_NAMESPACE_QUALIFIER Collator> m_primary_collator; // The primary collation object
};
inline boost::shared_ptr<icu_regex_traits_implementation> get_icu_regex_traits_implementation(const U_NAMESPACE_QUALIFIER Locale& loc)
{
return boost::shared_ptr<icu_regex_traits_implementation>(new icu_regex_traits_implementation(loc));
}
}
class BOOST_REGEX_DECL icu_regex_traits
{
public:
typedef UChar32 char_type;
typedef std::size_t size_type;
typedef std::vector<char_type> string_type;
typedef U_NAMESPACE_QUALIFIER Locale locale_type;
#ifdef BOOST_NO_INT64_T
typedef std::bitset<64> char_class_type;
#else
typedef boost::uint64_t char_class_type;
#endif
struct boost_extensions_tag{};
icu_regex_traits()
: m_pimpl(BOOST_REGEX_DETAIL_NS::get_icu_regex_traits_implementation(U_NAMESPACE_QUALIFIER Locale()))
{
}
static size_type length(const char_type* p);
::boost::regex_constants::syntax_type syntax_type(char_type c)const
{
return ((c < 0x7f) && (c > 0)) ? BOOST_REGEX_DETAIL_NS::get_default_syntax_type(static_cast<char>(c)) : regex_constants::syntax_char;
}
::boost::regex_constants::escape_syntax_type escape_syntax_type(char_type c) const
{
return ((c < 0x7f) && (c > 0)) ? BOOST_REGEX_DETAIL_NS::get_default_escape_syntax_type(static_cast<char>(c)) : regex_constants::syntax_char;
}
char_type translate(char_type c) const
{
return c;
}
char_type translate_nocase(char_type c) const
{
return ::u_tolower(c);
}
char_type translate(char_type c, bool icase) const
{
return icase ? translate_nocase(c) : translate(c);
}
char_type tolower(char_type c) const
{
return ::u_tolower(c);
}
char_type toupper(char_type c) const
{
return ::u_toupper(c);
}
string_type transform(const char_type* p1, const char_type* p2) const
{
return m_pimpl->transform(p1, p2);
}
string_type transform_primary(const char_type* p1, const char_type* p2) const
{
return m_pimpl->transform_primary(p1, p2);
}
char_class_type lookup_classname(const char_type* p1, const char_type* p2) const;
string_type lookup_collatename(const char_type* p1, const char_type* p2) const;
bool isctype(char_type c, char_class_type f) const;
boost::intmax_t toi(const char_type*& p1, const char_type* p2, int radix)const
{
return BOOST_REGEX_DETAIL_NS::global_toi(p1, p2, radix, *this);
}
int value(char_type c, int radix)const
{
return u_digit(c, static_cast< ::int8_t>(radix));
}
locale_type imbue(locale_type l)
{
locale_type result(m_pimpl->getloc());
m_pimpl = BOOST_REGEX_DETAIL_NS::get_icu_regex_traits_implementation(l);
return result;
}
locale_type getloc()const
{
return locale_type();
}
std::string error_string(::boost::regex_constants::error_type n) const
{
return BOOST_REGEX_DETAIL_NS::get_default_error_string(n);
}
private:
icu_regex_traits(const icu_regex_traits&);
icu_regex_traits& operator=(const icu_regex_traits&);
//
// define the bitmasks offsets we need for additional character properties:
//
enum{
offset_blank = U_CHAR_CATEGORY_COUNT,
offset_space = U_CHAR_CATEGORY_COUNT+1,
offset_xdigit = U_CHAR_CATEGORY_COUNT+2,
offset_underscore = U_CHAR_CATEGORY_COUNT+3,
offset_unicode = U_CHAR_CATEGORY_COUNT+4,
offset_any = U_CHAR_CATEGORY_COUNT+5,
offset_ascii = U_CHAR_CATEGORY_COUNT+6,
offset_horizontal = U_CHAR_CATEGORY_COUNT+7,
offset_vertical = U_CHAR_CATEGORY_COUNT+8
};
//
// and now the masks:
//
static const char_class_type mask_blank;
static const char_class_type mask_space;
static const char_class_type mask_xdigit;
static const char_class_type mask_underscore;
static const char_class_type mask_unicode;
static const char_class_type mask_any;
static const char_class_type mask_ascii;
static const char_class_type mask_horizontal;
static const char_class_type mask_vertical;
static char_class_type lookup_icu_mask(const ::UChar32* p1, const ::UChar32* p2);
boost::shared_ptr< ::boost::BOOST_REGEX_DETAIL_NS::icu_regex_traits_implementation> m_pimpl;
};
} // namespace boost
//
// template instances:
//
#define BOOST_REGEX_CHAR_T UChar32
#undef BOOST_REGEX_TRAITS_T
#define BOOST_REGEX_TRAITS_T , icu_regex_traits
#define BOOST_REGEX_ICU_INSTANCES
#ifdef BOOST_REGEX_ICU_INSTANTIATE
# define BOOST_REGEX_INSTANTIATE
#endif
#include <boost/regex/v4/instances.hpp>
#undef BOOST_REGEX_CHAR_T
#undef BOOST_REGEX_TRAITS_T
#undef BOOST_REGEX_ICU_INSTANCES
#ifdef BOOST_REGEX_INSTANTIATE
# undef BOOST_REGEX_INSTANTIATE
#endif
namespace boost{
// types:
typedef basic_regex< ::UChar32, icu_regex_traits> u32regex;
typedef match_results<const ::UChar32*> u32match;
typedef match_results<const ::UChar*> u16match;
//
// Construction of 32-bit regex types from UTF-8 and UTF-16 primitives:
//
namespace BOOST_REGEX_DETAIL_NS{
#if !defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(__IBMCPP__)
template <class InputIterator>
inline u32regex do_make_u32regex(InputIterator i,
InputIterator j,
boost::regex_constants::syntax_option_type opt,
const boost::mpl::int_<1>*)
{
typedef boost::u8_to_u32_iterator<InputIterator, UChar32> conv_type;
return u32regex(conv_type(i, i, j), conv_type(j, i, j), opt);
}
template <class InputIterator>
inline u32regex do_make_u32regex(InputIterator i,
InputIterator j,
boost::regex_constants::syntax_option_type opt,
const boost::mpl::int_<2>*)
{
typedef boost::u16_to_u32_iterator<InputIterator, UChar32> conv_type;
return u32regex(conv_type(i, i, j), conv_type(j, i, j), opt);
}
template <class InputIterator>
inline u32regex do_make_u32regex(InputIterator i,
InputIterator j,
boost::regex_constants::syntax_option_type opt,
const boost::mpl::int_<4>*)
{
return u32regex(i, j, opt);
}
#else
template <class InputIterator>
inline u32regex do_make_u32regex(InputIterator i,
InputIterator j,
boost::regex_constants::syntax_option_type opt,
const boost::mpl::int_<1>*)
{
typedef boost::u8_to_u32_iterator<InputIterator, UChar32> conv_type;
typedef std::vector<UChar32> vector_type;
vector_type v;
conv_type a(i, i, j), b(j, i, j);
while(a != b)
{
v.push_back(*a);
++a;
}
if(v.size())
return u32regex(&*v.begin(), v.size(), opt);
return u32regex(static_cast<UChar32 const*>(0), static_cast<u32regex::size_type>(0), opt);
}
template <class InputIterator>
inline u32regex do_make_u32regex(InputIterator i,
InputIterator j,
boost::regex_constants::syntax_option_type opt,
const boost::mpl::int_<2>*)
{
typedef boost::u16_to_u32_iterator<InputIterator, UChar32> conv_type;
typedef std::vector<UChar32> vector_type;
vector_type v;
conv_type a(i, i, j), b(j, i, j);
while(a != b)
{
v.push_back(*a);
++a;
}
if(v.size())
return u32regex(&*v.begin(), v.size(), opt);
return u32regex(static_cast<UChar32 const*>(0), static_cast<u32regex::size_type>(0), opt);
}
template <class InputIterator>
inline u32regex do_make_u32regex(InputIterator i,
InputIterator j,
boost::regex_constants::syntax_option_type opt,
const boost::mpl::int_<4>*)
{
typedef std::vector<UChar32> vector_type;
vector_type v;
while(i != j)
{
v.push_back((UChar32)(*i));
++i;
}
if(v.size())
return u32regex(&*v.begin(), v.size(), opt);
return u32regex(static_cast<UChar32 const*>(0), static_cast<u32regex::size_type>(0), opt);
}
#endif
}
// BOOST_REGEX_UCHAR_IS_WCHAR_T
//
// Source inspection of unicode/umachine.h in ICU version 59 indicates that:
//
// On version 59, UChar is always char16_t in C++ mode (and uint16_t in C mode)
//
// On earlier versions, the logic is
//
// #if U_SIZEOF_WCHAR_T==2
// typedef wchar_t OldUChar;
// #elif defined(__CHAR16_TYPE__)
// typedef __CHAR16_TYPE__ OldUChar;
// #else
// typedef uint16_t OldUChar;
// #endif
//
// That is, UChar is wchar_t only on versions below 59, when U_SIZEOF_WCHAR_T==2
//
// Hence,
#define BOOST_REGEX_UCHAR_IS_WCHAR_T (U_ICU_VERSION_MAJOR_NUM < 59 && U_SIZEOF_WCHAR_T == 2)
#if BOOST_REGEX_UCHAR_IS_WCHAR_T
BOOST_STATIC_ASSERT((boost::is_same<UChar, wchar_t>::value));
#else
BOOST_STATIC_ASSERT(!(boost::is_same<UChar, wchar_t>::value));
#endif
//
// Construction from an iterator pair:
//
template <class InputIterator>
inline u32regex make_u32regex(InputIterator i,
InputIterator j,
boost::regex_constants::syntax_option_type opt)
{
return BOOST_REGEX_DETAIL_NS::do_make_u32regex(i, j, opt, static_cast<boost::mpl::int_<sizeof(*i)> const*>(0));
}
//
// construction from UTF-8 nul-terminated strings:
//
inline u32regex make_u32regex(const char* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
{
return BOOST_REGEX_DETAIL_NS::do_make_u32regex(p, p + std::strlen(p), opt, static_cast<boost::mpl::int_<1> const*>(0));
}
inline u32regex make_u32regex(const unsigned char* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
{
return BOOST_REGEX_DETAIL_NS::do_make_u32regex(p, p + std::strlen(reinterpret_cast<const char*>(p)), opt, static_cast<boost::mpl::int_<1> const*>(0));
}
//
// construction from UTF-16 nul-terminated strings:
//
#ifndef BOOST_NO_WREGEX
inline u32regex make_u32regex(const wchar_t* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
{
return BOOST_REGEX_DETAIL_NS::do_make_u32regex(p, p + std::wcslen(p), opt, static_cast<boost::mpl::int_<sizeof(wchar_t)> const*>(0));
}
#endif
#if !BOOST_REGEX_UCHAR_IS_WCHAR_T
inline u32regex make_u32regex(const UChar* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
{
return BOOST_REGEX_DETAIL_NS::do_make_u32regex(p, p + u_strlen(p), opt, static_cast<boost::mpl::int_<2> const*>(0));
}
#endif
//
// construction from basic_string class-template:
//
template<class C, class T, class A>
inline u32regex make_u32regex(const std::basic_string<C, T, A>& s, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
{
return BOOST_REGEX_DETAIL_NS::do_make_u32regex(s.begin(), s.end(), opt, static_cast<boost::mpl::int_<sizeof(C)> const*>(0));
}
//
// Construction from ICU string type:
//
inline u32regex make_u32regex(const U_NAMESPACE_QUALIFIER UnicodeString& s, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl)
{
return BOOST_REGEX_DETAIL_NS::do_make_u32regex(s.getBuffer(), s.getBuffer() + s.length(), opt, static_cast<boost::mpl::int_<2> const*>(0));
}
//
// regex_match overloads that widen the character type as appropriate:
//
namespace BOOST_REGEX_DETAIL_NS{
template<class MR1, class MR2, class NSubs>
void copy_results(MR1& out, MR2 const& in, NSubs named_subs)
{
// copy results from an adapted MR2 match_results:
out.set_size(in.size(), in.prefix().first.base(), in.suffix().second.base());
out.set_base(in.base().base());
out.set_named_subs(named_subs);
for(int i = 0; i < (int)in.size(); ++i)
{
if(in[i].matched || !i)
{
out.set_first(in[i].first.base(), i);
out.set_second(in[i].second.base(), i, in[i].matched);
}
}
#ifdef BOOST_REGEX_MATCH_EXTRA
// Copy full capture info as well:
for(int i = 0; i < (int)in.size(); ++i)
{
if(in[i].captures().size())
{
out[i].get_captures().assign(in[i].captures().size(), typename MR1::value_type());
for(int j = 0; j < (int)out[i].captures().size(); ++j)
{
out[i].get_captures()[j].first = in[i].captures()[j].first.base();
out[i].get_captures()[j].second = in[i].captures()[j].second.base();
out[i].get_captures()[j].matched = in[i].captures()[j].matched;
}
}
}
#endif
}
template <class BidiIterator, class Allocator>
inline bool do_regex_match(BidiIterator first, BidiIterator last,
match_results<BidiIterator, Allocator>& m,
const u32regex& e,
match_flag_type flags,
boost::mpl::int_<4> const*)
{
return ::boost::regex_match(first, last, m, e, flags);
}
template <class BidiIterator, class Allocator>
bool do_regex_match(BidiIterator first, BidiIterator last,
match_results<BidiIterator, Allocator>& m,
const u32regex& e,
match_flag_type flags,
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_match(conv_type(first, first, last), conv_type(last, first, last), what, e, flags);
// copy results across to m:
if(result) copy_results(m, what, e.get_named_subs());
return result;
}
template <class BidiIterator, class Allocator>
bool do_regex_match(BidiIterator first, BidiIterator last,
match_results<BidiIterator, Allocator>& m,
const u32regex& e,
match_flag_type flags,
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_match(conv_type(first, first, last), conv_type(last, first, last), what, e, flags);
// copy results across to m:
if(result) copy_results(m, what, e.get_named_subs());
return result;
}
} // namespace BOOST_REGEX_DETAIL_NS
template <class BidiIterator, class Allocator>
inline bool u32regex_match(BidiIterator first, BidiIterator last,
match_results<BidiIterator, Allocator>& m,
const u32regex& e,
match_flag_type flags = match_default)
{
return BOOST_REGEX_DETAIL_NS::do_regex_match(first, last, m, e, flags, static_cast<mpl::int_<sizeof(*first)> const*>(0));
}
inline bool u32regex_match(const UChar* p,
match_results<const UChar*>& m,
const u32regex& e,
match_flag_type flags = match_default)
{
return BOOST_REGEX_DETAIL_NS::do_regex_match(p, p+u_strlen(p), m, e, flags, static_cast<mpl::int_<2> const*>(0));
}
#if !BOOST_REGEX_UCHAR_IS_WCHAR_T && !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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::do_regex_match(p, p+u_strlen(p), m, e, flags, static_cast<mpl::int_<2> const*>(0));
}
#if !BOOST_REGEX_UCHAR_IS_WCHAR_T && !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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS{
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, e.get_named_subs());
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, e.get_named_subs());
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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::do_regex_search(p, p+u_strlen(p), m, e, flags, p, static_cast<mpl::int_<2> const*>(0));
}
#if !BOOST_REGEX_UCHAR_IS_WCHAR_T && !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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::do_regex_search(p, p+u_strlen(p), m, e, flags, p, static_cast<mpl::int_<2> const*>(0));
}
#if !BOOST_REGEX_UCHAR_IS_WCHAR_T && !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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS{
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 = BOOST_REGEX_DETAIL_NS::copy(in.first, in.second, out);
}
else
{
I1 last_m = in.first;
while(i != j)
{
if(!(flags & regex_constants::format_no_copy))
out = BOOST_REGEX_DETAIL_NS::copy(i->prefix().first, i->prefix().second, out);
if(f.size())
out = ::boost::BOOST_REGEX_DETAIL_NS::regex_format_imp(out, *i, &*f.begin(), &*f.begin() + f.size(), flags, e.get_traits());
else
out = ::boost::BOOST_REGEX_DETAIL_NS::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 = BOOST_REGEX_DETAIL_NS::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();
}
} // BOOST_REGEX_DETAIL_NS
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 BOOST_REGEX_DETAIL_NS::extract_output_base
(
BOOST_REGEX_DETAIL_NS::do_regex_replace(
BOOST_REGEX_DETAIL_NS::make_utf32_out(out, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
BOOST_REGEX_DETAIL_NS::make_utf32_seq(first, last, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
e,
BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::extract_output_base
(
BOOST_REGEX_DETAIL_NS::do_regex_replace(
BOOST_REGEX_DETAIL_NS::make_utf32_out(out, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
BOOST_REGEX_DETAIL_NS::make_utf32_seq(first, last, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
e,
BOOST_REGEX_DETAIL_NS::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 BOOST_REGEX_DETAIL_NS::extract_output_base
(
BOOST_REGEX_DETAIL_NS::do_regex_replace(
BOOST_REGEX_DETAIL_NS::make_utf32_out(out, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
BOOST_REGEX_DETAIL_NS::make_utf32_seq(first, last, static_cast<mpl::int_<sizeof(*first)> const*>(0)),
e,
BOOST_REGEX_DETAIL_NS::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;
BOOST_REGEX_DETAIL_NS::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;
BOOST_REGEX_DETAIL_NS::string_out_iterator<std::basic_string<charT> > i(result);
u32regex_replace(i, s.begin(), s.end(), e, fmt.c_str(), flags);
return result;
}
namespace BOOST_REGEX_DETAIL_NS{
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;
BOOST_REGEX_DETAIL_NS::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;
BOOST_REGEX_DETAIL_NS::unicode_string_out_iterator i(result);
BOOST_REGEX_DETAIL_NS::do_regex_replace(
BOOST_REGEX_DETAIL_NS::make_utf32_out(i, static_cast<mpl::int_<2> const*>(0)),
BOOST_REGEX_DETAIL_NS::make_utf32_seq(s.getBuffer(), s.getBuffer()+s.length(), static_cast<mpl::int_<2> const*>(0)),
e,
BOOST_REGEX_DETAIL_NS::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
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