/* | |
* | |
* 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 <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 <bitset> | |
#ifdef BOOST_MSVC | |
#pragma warning (push) | |
#pragma warning (disable: 4251) | |
#endif | |
namespace boost{ | |
namespace re_detail{ | |
// | |
// 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(re_detail::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)) ? re_detail::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)) ? re_detail::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; | |
int toi(const char_type*& p1, const char_type* p2, int radix)const | |
{ | |
return re_detail::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 = re_detail::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 re_detail::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::re_detail::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 re_detail{ | |
#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), conv_type(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), conv_type(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), b(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), b(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 | |
} | |
// | |
// Construction from an iterator pair: | |
// | |
template <class InputIterator> | |
inline u32regex make_u32regex(InputIterator i, | |
InputIterator j, | |
boost::regex_constants::syntax_option_type opt) | |
{ | |
return re_detail::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 re_detail::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 re_detail::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 re_detail::do_make_u32regex(p, p + std::wcslen(p), opt, static_cast<boost::mpl::int_<sizeof(wchar_t)> const*>(0)); | |
} | |
#endif | |
#if !defined(U_WCHAR_IS_UTF16) && (U_SIZEOF_WCHAR_T != 2) | |
inline u32regex make_u32regex(const UChar* p, boost::regex_constants::syntax_option_type opt = boost::regex_constants::perl) | |
{ | |
return re_detail::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 re_detail::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 re_detail::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 re_detail{ | |
template<class MR1, class MR2> | |
void copy_results(MR1& out, MR2 const& in) | |
{ | |
// 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()); | |
for(int i = 0; i < (int)in.size(); ++i) | |
{ | |
if(in[i].matched) | |
{ | |
out.set_first(in[i].first.base(), i); | |
out.set_second(in[i].second.base(), i); | |
} | |
} | |
} | |
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), conv_type(last), what, e, flags); | |
// copy results across to m: | |
if(result) copy_results(m, what); | |
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), conv_type(last), what, e, flags); | |
// copy results across to m: | |
if(result) copy_results(m, what); | |
return result; | |
} | |
} // namespace re_detail | |
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 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, | |
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), conv_type(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), conv_type(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), boost::u8_to_u32_iterator<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), boost::u16_to_u32_iterator<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*) | |
{ | |
return std::pair< boost::u8_to_u32_iterator<const charT*>, boost::u8_to_u32_iterator<const charT*> >(boost::u8_to_u32_iterator<const charT*>(p), boost::u8_to_u32_iterator<const charT*>(p+std::strlen((const char*)p))); | |
} | |
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*) | |
{ | |
return std::pair< boost::u16_to_u32_iterator<const charT*>, boost::u16_to_u32_iterator<const charT*> >(boost::u16_to_u32_iterator<const charT*>(p), boost::u16_to_u32_iterator<const charT*>(p+u_strlen((const UChar*)p))); | |
} | |
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 |