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// -*- C++ -*-
//===--------------------------- regex ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_REGEX
#define _LIBCPP_REGEX
/*
regex synopsis
#include <initializer_list>
namespace std
{
namespace regex_constants
{
emum syntax_option_type
{
icase = unspecified,
nosubs = unspecified,
optimize = unspecified,
collate = unspecified,
ECMAScript = unspecified,
basic = unspecified,
extended = unspecified,
awk = unspecified,
grep = unspecified,
egrep = unspecified
};
constexpr syntax_option_type operator~(syntax_option_type f);
constexpr syntax_option_type operator&(syntax_option_type lhs, syntax_option_type rhs);
constexpr syntax_option_type operator|(syntax_option_type lhs, syntax_option_type rhs);
enum match_flag_type
{
match_default = 0,
match_not_bol = unspecified,
match_not_eol = unspecified,
match_not_bow = unspecified,
match_not_eow = unspecified,
match_any = unspecified,
match_not_null = unspecified,
match_continuous = unspecified,
match_prev_avail = unspecified,
format_default = 0,
format_sed = unspecified,
format_no_copy = unspecified,
format_first_only = unspecified
};
constexpr match_flag_type operator~(match_flag_type f);
constexpr match_flag_type operator&(match_flag_type lhs, match_flag_type rhs);
constexpr match_flag_type operator|(match_flag_type lhs, match_flag_type rhs);
enum error_type
{
error_collate = unspecified,
error_ctype = unspecified,
error_escape = unspecified,
error_backref = unspecified,
error_brack = unspecified,
error_paren = unspecified,
error_brace = unspecified,
error_badbrace = unspecified,
error_range = unspecified,
error_space = unspecified,
error_badrepeat = unspecified,
error_complexity = unspecified,
error_stack = unspecified
};
} // regex_constants
class regex_error
: public runtime_error
{
public:
explicit regex_error(regex_constants::error_type ecode);
regex_constants::error_type code() const;
};
template <class charT>
struct regex_traits
{
public:
typedef charT char_type;
typedef basic_string<char_type> string_type;
typedef locale locale_type;
typedef /bitmask_type/ char_class_type;
regex_traits();
static size_t length(const char_type* p);
charT translate(charT c) const;
charT translate_nocase(charT c) const;
template <class ForwardIterator>
string_type
transform(ForwardIterator first, ForwardIterator last) const;
template <class ForwardIterator>
string_type
transform_primary( ForwardIterator first, ForwardIterator last) const;
template <class ForwardIterator>
string_type
lookup_collatename(ForwardIterator first, ForwardIterator last) const;
template <class ForwardIterator>
char_class_type
lookup_classname(ForwardIterator first, ForwardIterator last,
bool icase = false) const;
bool isctype(charT c, char_class_type f) const;
int value(charT ch, int radix) const;
locale_type imbue(locale_type l);
locale_type getloc()const;
};
template <class charT, class traits = regex_traits<charT>>
class basic_regex
{
public:
// types:
typedef charT value_type;
typedef regex_constants::syntax_option_type flag_type;
typedef typename traits::locale_type locale_type;
// constants:
static constexpr regex_constants::syntax_option_type icase = regex_constants::icase;
static constexpr regex_constants::syntax_option_type nosubs = regex_constants::nosubs;
static constexpr regex_constants::syntax_option_type optimize = regex_constants::optimize;
static constexpr regex_constants::syntax_option_type collate = regex_constants::collate;
static constexpr regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript;
static constexpr regex_constants::syntax_option_type basic = regex_constants::basic;
static constexpr regex_constants::syntax_option_type extended = regex_constants::extended;
static constexpr regex_constants::syntax_option_type awk = regex_constants::awk;
static constexpr regex_constants::syntax_option_type grep = regex_constants::grep;
static constexpr regex_constants::syntax_option_type egrep = regex_constants::egrep;
// construct/copy/destroy:
basic_regex();
explicit basic_regex(const charT* p, flag_type f = regex_constants::ECMAScript);
basic_regex(const charT* p, size_t len, flag_type f);
basic_regex(const basic_regex&);
basic_regex(basic_regex&&);
template <class ST, class SA>
explicit basic_regex(const basic_string<charT, ST, SA>& p,
flag_type f = regex_constants::ECMAScript);
template <class ForwardIterator>
basic_regex(ForwardIterator first, ForwardIterator last,
flag_type f = regex_constants::ECMAScript);
basic_regex(initializer_list<charT>, flag_type = regex_constants::ECMAScript);
~basic_regex();
basic_regex& operator=(const basic_regex&);
basic_regex& operator=(basic_regex&&);
basic_regex& operator=(const charT* ptr);
basic_regex& operator=(initializer_list<charT> il);
template <class ST, class SA>
basic_regex& operator=(const basic_string<charT, ST, SA>& p);
// assign:
basic_regex& assign(const basic_regex& that);
basic_regex& assign(basic_regex&& that);
basic_regex& assign(const charT* ptr, flag_type f = regex_constants::ECMAScript);
basic_regex& assign(const charT* p, size_t len, flag_type f);
template <class string_traits, class A>
basic_regex& assign(const basic_string<charT, string_traits, A>& s,
flag_type f = regex_constants::ECMAScript);
template <class InputIterator>
basic_regex& assign(InputIterator first, InputIterator last,
flag_type f = regex_constants::ECMAScript);
basic_regex& assign(initializer_list<charT>, flag_type = regex_constants::ECMAScript);
// const operations:
unsigned mark_count() const;
flag_type flags() const;
// locale:
locale_type imbue(locale_type loc);
locale_type getloc() const;
// swap:
void swap(basic_regex&);
};
typedef basic_regex<char> regex;
typedef basic_regex<wchar_t> wregex;
template <class charT, class traits>
void swap(basic_regex<charT, traits>& e1, basic_regex<charT, traits>& e2);
template <class BidirectionalIterator>
class sub_match
: public pair<BidirectionalIterator, BidirectionalIterator>
{
public:
typedef typename iterator_traits<BidirectionalIterator>::value_type value_type;
typedef typename iterator_traits<BidirectionalIterator>::difference_type difference_type;
typedef BidirectionalIterator iterator;
typedef basic_string<value_type> string_type;
bool matched;
difference_type length() const;
operator string_type() const;
string_type str() const;
int compare(const sub_match& s) const;
int compare(const string_type& s) const;
int compare(const value_type* s) const;
};
typedef sub_match<const char*> csub_match;
typedef sub_match<const wchar_t*> wcsub_match;
typedef sub_match<string::const_iterator> ssub_match;
typedef sub_match<wstring::const_iterator> wssub_match;
template <class BiIter>
bool
operator==(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator!=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator<(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator<=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator>=(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator>(const sub_match<BiIter>& lhs, const sub_match<BiIter>& rhs);
template <class BiIter, class ST, class SA>
bool
operator==(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter, class ST, class SA>
bool
operator!=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter, class ST, class SA>
bool
operator<(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter, class ST, class SA>
bool
operator>(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter, class ST, class SA>
bool operator>=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter, class ST, class SA>
bool
operator<=(const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter, class ST, class SA>
bool
operator==(const sub_match<BiIter>& lhs,
const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
template <class BiIter, class ST, class SA>
bool
operator!=(const sub_match<BiIter>& lhs,
const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
template <class BiIter, class ST, class SA>
bool
operator<(const sub_match<BiIter>& lhs,
const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
template <class BiIter, class ST, class SA>
bool operator>(const sub_match<BiIter>& lhs,
const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
template <class BiIter, class ST, class SA>
bool
operator>=(const sub_match<BiIter>& lhs,
const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
template <class BiIter, class ST, class SA>
bool
operator<=(const sub_match<BiIter>& lhs,
const basic_string<typename iterator_traits<BiIter>::value_type, ST, SA>& rhs);
template <class BiIter>
bool
operator==(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator!=(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator<(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator>(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator>=(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator<=(typename iterator_traits<BiIter>::value_type const* lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator==(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter>
bool
operator!=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter>
bool
operator<(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter>
bool
operator>(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter>
bool
operator>=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter>
bool
operator<=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const* rhs);
template <class BiIter>
bool
operator==(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator!=(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator<(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator>(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator>=(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator<=(typename iterator_traits<BiIter>::value_type const& lhs,
const sub_match<BiIter>& rhs);
template <class BiIter>
bool
operator==(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class BiIter>
bool
operator!=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class BiIter>
bool
operator<(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class BiIter>
bool
operator>(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class BiIter>
bool
operator>=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class BiIter>
bool
operator<=(const sub_match<BiIter>& lhs,
typename iterator_traits<BiIter>::value_type const& rhs);
template <class charT, class ST, class BiIter>
basic_ostream<charT, ST>&
operator<<(basic_ostream<charT, ST>& os, const sub_match<BiIter>& m);
template <class BidirectionalIterator,
class Allocator = allocator<sub_match<BidirectionalIterator>>>
class match_results
{
public:
typedef sub_match<BidirectionalIterator> value_type;
typedef const value_type& const_reference;
typedef const_reference reference;
typedef /implementation-defined/ const_iterator;
typedef const_iterator iterator;
typedef typename iterator_traits<BidirectionalIterator>::difference_type difference_type;
typedef typename allocator_traits<Allocator>::size_type size_type;
typedef Allocator allocator_type;
typedef typename iterator_traits<BidirectionalIterator>::value_type char_type;
typedef basic_string<char_type> string_type;
// construct/copy/destroy:
explicit match_results(const Allocator& a = Allocator());
match_results(const match_results& m);
match_results(match_results&& m);
match_results& operator=(const match_results& m);
match_results& operator=(match_results&& m);
~match_results();
// size:
size_type size() const;
size_type max_size() const;
bool empty() const;
// element access:
difference_type length(size_type sub = 0) const;
difference_type position(size_type sub = 0) const;
string_type str(size_type sub = 0) const;
const_reference operator[](size_type n) const;
const_reference prefix() const;
const_reference suffix() const;
const_iterator begin() const;
const_iterator end() const;
const_iterator cbegin() const;
const_iterator cend() const;
// format:
template <class OutputIter>
OutputIter
format(OutputIter out, const char_type* fmt_first,
const char_type* fmt_last,
regex_constants::match_flag_type flags = regex_constants::format_default) const;
template <class OutputIter, class ST, class SA>
OutputIter
format(OutputIter out, const basic_string<char_type, ST, SA>& fmt,
regex_constants::match_flag_type flags = regex_constants::format_default) const;
template <class ST, class SA>
basic_string<char_type, ST, SA>
format(const basic_string<char_type, ST, SA>& fmt,
regex_constants::match_flag_type flags = regex_constants::format_default) const;
string_type
format(const char_type* fmt,
regex_constants::match_flag_type flags = regex_constants::format_default) const;
// allocator:
allocator_type get_allocator() const;
// swap:
void swap(match_results& that);
};
typedef match_results<const char*> cmatch;
typedef match_results<const wchar_t*> wcmatch;
typedef match_results<string::const_iterator> smatch;
typedef match_results<wstring::const_iterator> wsmatch;
template <class BidirectionalIterator, class Allocator>
bool
operator==(const match_results<BidirectionalIterator, Allocator>& m1,
const match_results<BidirectionalIterator, Allocator>& m2);
template <class BidirectionalIterator, class Allocator>
bool
operator!=(const match_results<BidirectionalIterator, Allocator>& m1,
const match_results<BidirectionalIterator, Allocator>& m2);
template <class BidirectionalIterator, class Allocator>
void
swap(match_results<BidirectionalIterator, Allocator>& m1,
match_results<BidirectionalIterator, Allocator>& m2);
template <class BidirectionalIterator, class Allocator, class charT, class traits>
bool
regex_match(BidirectionalIterator first, BidirectionalIterator last,
match_results<BidirectionalIterator, Allocator>& m,
const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class BidirectionalIterator, class charT, class traits>
bool
regex_match(BidirectionalIterator first, BidirectionalIterator last,
const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class charT, class Allocator, class traits>
bool
regex_match(const charT* str, match_results<const charT*, Allocator>& m,
const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class ST, class SA, class Allocator, class charT, class traits>
bool
regex_match(const basic_string<charT, ST, SA>& s,
match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m,
const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class charT, class traits>
bool
regex_match(const charT* str, const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class ST, class SA, class charT, class traits>
bool
regex_match(const basic_string<charT, ST, SA>& s,
const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class BidirectionalIterator, class Allocator, class charT, class traits>
bool
regex_search(BidirectionalIterator first, BidirectionalIterator last,
match_results<BidirectionalIterator, Allocator>& m,
const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class BidirectionalIterator, class charT, class traits>
bool
regex_search(BidirectionalIterator first, BidirectionalIterator last,
const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class charT, class Allocator, class traits>
bool
regex_search(const charT* str, match_results<const charT*, Allocator>& m,
const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class charT, class traits>
bool
regex_search(const charT* str, const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class ST, class SA, class charT, class traits>
bool
regex_search(const basic_string<charT, ST, SA>& s,
const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class ST, class SA, class Allocator, class charT, class traits>
bool
regex_search(const basic_string<charT, ST, SA>& s,
match_results<typename basic_string<charT, ST, SA>::const_iterator, Allocator>& m,
const basic_regex<charT, traits>& e,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class OutputIterator, class BidirectionalIterator,
class traits, class charT, class ST, class SA>
OutputIterator
regex_replace(OutputIterator out,
BidirectionalIterator first, BidirectionalIterator last,
const basic_regex<charT, traits>& e,
const basic_string<charT, ST, SA>& fmt,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class OutputIterator, class BidirectionalIterator,
class traits, class charT>
OutputIterator
regex_replace(OutputIterator out,
BidirectionalIterator first, BidirectionalIterator last,
const basic_regex<charT, traits>& e, const charT* fmt,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class traits, class charT, class ST, class SA, class FST, class FSA>>
basic_string<charT, ST, SA>
regex_replace(const basic_string<charT, ST, SA>& s,
const basic_regex<charT, traits>& e,
const basic_string<charT, FST, FSA>& fmt,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class traits, class charT, class ST, class SA>
basic_string<charT, ST, SA>
regex_replace(const basic_string<charT, ST, SA>& s,
const basic_regex<charT, traits>& e, const charT* fmt,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class traits, class charT, class ST, class SA>
basic_string<charT>
regex_replace(const charT* s,
const basic_regex<charT, traits>& e,
const basic_string<charT, ST, SA>& fmt,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class traits, class charT>
basic_string<charT>
regex_replace(const charT* s,
const basic_regex<charT, traits>& e,
const charT* fmt,
regex_constants::match_flag_type flags = regex_constants::match_default);
template <class BidirectionalIterator,
class charT = typename iterator_traits< BidirectionalIterator>::value_type,
class traits = regex_traits<charT>>
class regex_iterator
{
public:
typedef basic_regex<charT, traits> regex_type;
typedef match_results<BidirectionalIterator> value_type;
typedef ptrdiff_t difference_type;
typedef const value_type* pointer;
typedef const value_type& reference;
typedef forward_iterator_tag iterator_category;
regex_iterator();
regex_iterator(BidirectionalIterator a, BidirectionalIterator b,
const regex_type& re,
regex_constants::match_flag_type m = regex_constants::match_default);
regex_iterator(const regex_iterator&);
regex_iterator& operator=(const regex_iterator&);
bool operator==(const regex_iterator&) const;
bool operator!=(const regex_iterator&) const;
const value_type& operator*() const;
const value_type* operator->() const;
regex_iterator& operator++();
regex_iterator operator++(int);
};
typedef regex_iterator<const char*> cregex_iterator;
typedef regex_iterator<const wchar_t*> wcregex_iterator;
typedef regex_iterator<string::const_iterator> sregex_iterator;
typedef regex_iterator<wstring::const_iterator> wsregex_iterator;
template <class BidirectionalIterator,
class charT = typename iterator_traits< BidirectionalIterator>::value_type,
class traits = regex_traits<charT>>
class regex_token_iterator
{
public:
typedef basic_regex<charT, traits> regex_type;
typedef sub_match<BidirectionalIterator> value_type;
typedef ptrdiff_t difference_type;
typedef const value_type* pointer;
typedef const value_type& reference;
typedef forward_iterator_tag iterator_category;
regex_token_iterator();
regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
const regex_type& re, int submatch = 0,
regex_constants::match_flag_type m = regex_constants::match_default);
regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
const regex_type& re, const vector<int>& submatches,
regex_constants::match_flag_type m = regex_constants::match_default);
regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
const regex_type& re, initializer_list<int> submatches,
regex_constants::match_flag_type m = regex_constants::match_default);
template <size_t N>
regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b,
const regex_type& re, const int (&submatches)[N],
regex_constants::match_flag_type m = regex_constants::match_default);
regex_token_iterator(const regex_token_iterator&);
regex_token_iterator& operator=(const regex_token_iterator&);
bool operator==(const regex_token_iterator&) const;
bool operator!=(const regex_token_iterator&) const;
const value_type& operator*() const;
const value_type* operator->() const;
regex_token_iterator& operator++();
regex_token_iterator operator++(int);
};
typedef regex_token_iterator<const char*> cregex_token_iterator;
typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator;
typedef regex_token_iterator<string::const_iterator> sregex_token_iterator;
typedef regex_token_iterator<wstring::const_iterator> wsregex_token_iterator;
} // std
*/
// temporary!
#include <sstream>
#include <cassert>
#include <__config>
#include <stdexcept>
#include <__locale>
#include <initializer_list>
#include <utility>
#include <iterator>
#include <string>
#include <memory>
#include <vector>
#include <deque>
#pragma GCC system_header
_LIBCPP_BEGIN_NAMESPACE_STD
namespace regex_constants
{
// syntax_option_type
enum syntax_option_type
{
icase = 1 << 0,
nosubs = 1 << 1,
optimize = 1 << 2,
collate = 1 << 3,
ECMAScript = 1 << 4,
basic = 1 << 5,
extended = 1 << 6,
awk = 1 << 7,
grep = 1 << 8,
egrep = 1 << 9
};
inline
/*constexpr*/
syntax_option_type
operator~(syntax_option_type __x)
{
return syntax_option_type(~int(__x));
}
inline
/*constexpr*/
syntax_option_type
operator&(syntax_option_type __x, syntax_option_type __y)
{
return syntax_option_type(int(__x) & int(__y));
}
inline
/*constexpr*/
syntax_option_type
operator|(syntax_option_type __x, syntax_option_type __y)
{
return syntax_option_type(int(__x) | int(__y));
}
inline
/*constexpr*/
syntax_option_type
operator^(syntax_option_type __x, syntax_option_type __y)
{
return syntax_option_type(int(__x) ^ int(__y));
}
inline
/*constexpr*/
syntax_option_type&
operator&=(syntax_option_type& __x, syntax_option_type __y)
{
__x = __x & __y;
return __x;
}
inline
/*constexpr*/
syntax_option_type&
operator|=(syntax_option_type& __x, syntax_option_type __y)
{
__x = __x | __y;
return __x;
}
inline
/*constexpr*/
syntax_option_type&
operator^=(syntax_option_type& __x, syntax_option_type __y)
{
__x = __x ^ __y;
return __x;
}
// match_flag_type
enum match_flag_type
{
match_default = 0,
match_not_bol = 1 << 0,
match_not_eol = 1 << 1,
match_not_bow = 1 << 2,
match_not_eow = 1 << 3,
match_any = 1 << 4,
match_not_null = 1 << 5,
match_continuous = 1 << 6,
match_prev_avail = 1 << 7,
format_default = 0,
format_sed = 1 << 8,
format_no_copy = 1 << 9,
format_first_only = 1 << 10
};
inline
/*constexpr*/
match_flag_type
operator~(match_flag_type __x)
{
return match_flag_type(~int(__x));
}
inline
/*constexpr*/
match_flag_type
operator&(match_flag_type __x, match_flag_type __y)
{
return match_flag_type(int(__x) & int(__y));
}
inline
/*constexpr*/
match_flag_type
operator|(match_flag_type __x, match_flag_type __y)
{
return match_flag_type(int(__x) | int(__y));
}
inline
/*constexpr*/
match_flag_type
operator^(match_flag_type __x, match_flag_type __y)
{
return match_flag_type(int(__x) ^ int(__y));
}
inline
/*constexpr*/
match_flag_type&
operator&=(match_flag_type& __x, match_flag_type __y)
{
__x = __x & __y;
return __x;
}
inline
/*constexpr*/
match_flag_type&
operator|=(match_flag_type& __x, match_flag_type __y)
{
__x = __x | __y;
return __x;
}
inline
/*constexpr*/
match_flag_type&
operator^=(match_flag_type& __x, match_flag_type __y)
{
__x = __x ^ __y;
return __x;
}
enum error_type
{
error_collate = 1,
error_ctype,
error_escape,
error_backref,
error_brack,
error_paren,
error_brace,
error_badbrace,
error_range,
error_space,
error_badrepeat,
error_complexity,
error_stack,
error_temp
};
} // regex_constants
class _LIBCPP_EXCEPTION_ABI regex_error
: public runtime_error
{
regex_constants::error_type __code_;
public:
explicit regex_error(regex_constants::error_type __ecode);
virtual ~regex_error() throw();
regex_constants::error_type code() const {return __code_;}
};
template <class _CharT>
struct regex_traits
{
public:
typedef _CharT char_type;
typedef basic_string<char_type> string_type;
typedef locale locale_type;
typedef ctype_base::mask char_class_type;
static const char_class_type __regex_word = 0x80;
private:
locale __loc_;
const ctype<char_type>* __ct_;
const collate<char_type>* __col_;
public:
regex_traits();
static size_t length(const char_type* __p)
{return char_traits<char_type>::length(__p);}
char_type translate(char_type __c) const {return __c;}
char_type translate_nocase(char_type __c) const;
template <class _ForwardIterator>
string_type
transform(_ForwardIterator __f, _ForwardIterator __l) const;
template <class _ForwardIterator>
string_type
transform_primary( _ForwardIterator __f, _ForwardIterator __l) const
{return __transform_primary(__f, __l, char_type());}
template <class _ForwardIterator>
string_type
lookup_collatename(_ForwardIterator __f, _ForwardIterator __l) const
{return __lookup_collatename(__f, __l, char_type());}
template <class _ForwardIterator>
char_class_type
lookup_classname(_ForwardIterator __f, _ForwardIterator __l,
bool __icase = false) const
{return __lookup_classname(__f, __l, __icase, char_type());}
bool isctype(char_type __c, char_class_type __m) const;
int value(char_type __ch, int __radix) const
{return __value(__ch, __radix);}
locale_type imbue(locale_type __l);
locale_type getloc()const {return __loc_;}
private:
void __init();
template <class _ForwardIterator>
string_type
__transform_primary(_ForwardIterator __f, _ForwardIterator __l, char) const;
template <class _ForwardIterator>
string_type
__transform_primary(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const;
template <class _ForwardIterator>
string_type
__lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, char) const;
template <class _ForwardIterator>
string_type
__lookup_collatename(_ForwardIterator __f, _ForwardIterator __l, wchar_t) const;
template <class _ForwardIterator>
char_class_type
__lookup_classname(_ForwardIterator __f, _ForwardIterator __l,
bool __icase, char) const;
template <class _ForwardIterator>
char_class_type
__lookup_classname(_ForwardIterator __f, _ForwardIterator __l,
bool __icase, wchar_t) const;
static int __value(unsigned char __ch, int __radix);
int __value(char __ch, int __radix) const
{return __value(static_cast<unsigned char>(__ch), __radix);}
int __value(wchar_t __ch, int __radix) const;
};
template <class _CharT>
regex_traits<_CharT>::regex_traits()
{
__init();
}
template <class _CharT>
typename regex_traits<_CharT>::char_type
regex_traits<_CharT>::translate_nocase(char_type __c) const
{
return __ct_->tolower(__c);
}
template <class _CharT>
template <class _ForwardIterator>
typename regex_traits<_CharT>::string_type
regex_traits<_CharT>::transform(_ForwardIterator __f, _ForwardIterator __l) const
{
string_type __s(__f, __l);
return __col_->transform(__s.data(), __s.data() + __s.size());
}
template <class _CharT>
void
regex_traits<_CharT>::__init()
{
__ct_ = &use_facet<ctype<char_type> >(__loc_);
__col_ = &use_facet<collate<char_type> >(__loc_);
}
template <class _CharT>
typename regex_traits<_CharT>::locale_type
regex_traits<_CharT>::imbue(locale_type __l)
{
locale __r = __loc_;
__loc_ = __l;
__init();
return __r;
}
// transform_primary is very FreeBSD-specific
template <class _CharT>
template <class _ForwardIterator>
typename regex_traits<_CharT>::string_type
regex_traits<_CharT>::__transform_primary(_ForwardIterator __f,
_ForwardIterator __l, char) const
{
const string_type __s(__f, __l);
string_type __d = __col_->transform(__s.data(), __s.data() + __s.size());
switch (__d.size())
{
case 1:
break;
case 12:
__d[11] = __d[3];
break;
default:
__d.clear();
break;
}
return __d;
}
template <class _CharT>
template <class _ForwardIterator>
typename regex_traits<_CharT>::string_type
regex_traits<_CharT>::__transform_primary(_ForwardIterator __f,
_ForwardIterator __l, wchar_t) const
{
const string_type __s(__f, __l);
string_type __d = __col_->transform(__s.data(), __s.data() + __s.size());
switch (__d.size())
{
case 1:
break;
case 3:
__d[2] = __d[0];
break;
default:
__d.clear();
break;
}
return __d;
}
// lookup_collatename is very FreeBSD-specific
string __get_collation_name(const char* __s);
template <class _CharT>
template <class _ForwardIterator>
typename regex_traits<_CharT>::string_type
regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f,
_ForwardIterator __l, char) const
{
string_type __s(__f, __l);
string_type __r;
if (!__s.empty())
{
__r = __get_collation_name(__s.c_str());
if (__r.empty() && __s.size() <= 2)
{
__r = __col_->transform(__s.data(), __s.data() + __s.size());
if (__r.size() == 1 || __r.size() == 12)
__r = __s;
else
__r.clear();
}
}
return __r;
}
template <class _CharT>
template <class _ForwardIterator>
typename regex_traits<_CharT>::string_type
regex_traits<_CharT>::__lookup_collatename(_ForwardIterator __f,
_ForwardIterator __l, wchar_t) const
{
string_type __s(__f, __l);
string __n;
__n.reserve(__s.size());
for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end();
__i != __e; ++__i)
{
if (static_cast<unsigned>(*__i) >= 127)
return string_type();
__n.push_back(char(*__i));
}
string_type __r;
if (!__s.empty())
{
__n = __get_collation_name(__n.c_str());
if (!__n.empty())
__r.assign(__n.begin(), __n.end());
else if (__s.size() <= 2)
{
__r = __col_->transform(__s.data(), __s.data() + __s.size());
if (__r.size() == 1 || __r.size() == 3)
__r = __s;
else
__r.clear();
}
}
return __r;
}
// lookup_classname
ctype_base::mask __get_classname(const char* __s, bool __icase);
template <class _CharT>
template <class _ForwardIterator>
typename regex_traits<_CharT>::char_class_type
regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f,
_ForwardIterator __l,
bool __icase, char) const
{
string_type __s(__f, __l);
__ct_->tolower(&__s[0], &__s[0] + __s.size());
return __get_classname(__s.c_str(), __icase);
}
template <class _CharT>
template <class _ForwardIterator>
typename regex_traits<_CharT>::char_class_type
regex_traits<_CharT>::__lookup_classname(_ForwardIterator __f,
_ForwardIterator __l,
bool __icase, wchar_t) const
{
string_type __s(__f, __l);
__ct_->tolower(&__s[0], &__s[0] + __s.size());
string __n;
__n.reserve(__s.size());
for (typename string_type::const_iterator __i = __s.begin(), __e = __s.end();
__i != __e; ++__i)
{
if (static_cast<unsigned>(*__i) >= 127)
return char_class_type();
__n.push_back(char(*__i));
}
return __get_classname(__n.c_str(), __icase);
}
template <class _CharT>
bool
regex_traits<_CharT>::isctype(char_type __c, char_class_type __m) const
{
if (__ct_->is(__m, __c))
return true;
return (__c == '_' && (__m & __regex_word));
}
template <class _CharT>
int
regex_traits<_CharT>::__value(unsigned char __ch, int __radix)
{
if ((__ch & 0xF8u) == 0x30) // '0' <= __ch && __ch <= '7'
return __ch - '0';
if (__radix != 8)
{
if ((__ch & 0xFEu) == 0x38) // '8' <= __ch && __ch <= '9'
return __ch - '0';
if (__radix == 16)
{
__ch |= 0x20; // tolower
if ('a' <= __ch && __ch <= 'f')
return __ch - ('a' - 10);
}
}
return -1;
}
template <class _CharT>
inline
int
regex_traits<_CharT>::__value(wchar_t __ch, int __radix) const
{
return __value(static_cast<unsigned char>(__ct_->narrow(__ch, char_type())), __radix);
}
template <class _CharT> class __node;
template <class _BidirectionalIterator> class sub_match;
template <class _CharT>
struct __state
{
enum
{
__end_state = -1000,
__consume_input, // -999
__begin_marked_expr, // -998
__end_marked_expr, // -997
__pop_state, // -996
__accept_and_consume, // -995
__accept_but_not_consume, // -994
__reject, // -993
__split,
__repeat
};
int __do_;
const _CharT* __first_;
const _CharT* __current_;
const _CharT* __last_;
vector<sub_match<const _CharT*> > __sub_matches_;
vector<pair<size_t, const _CharT*> > __loop_data_;
const __node<_CharT>* __node_;
regex_constants::match_flag_type __flags_;
__state()
: __do_(0), __first_(nullptr), __current_(nullptr), __last_(nullptr),
__node_(nullptr), __flags_() {}
};
template <class _CharT>
ostream&
operator<<(ostream& os, const __state<_CharT>& c)
{
os << c.__do_;
if (c.__node_)
os << ", " << c.__node_->speak();
else
os << ", null";
return os;
}
// __node
template <class _CharT>
class __node
{
__node(const __node&);
__node& operator=(const __node&);
public:
typedef _STD::__state<_CharT> __state;
__node() {}
virtual ~__node() {}
virtual void __exec(__state&) const {};
virtual void __exec_split(bool, __state&) const {};
virtual string speak() const {return "__node";}
};
// __end_state
template <class _CharT>
class __end_state
: public __node<_CharT>
{
public:
typedef _STD::__state<_CharT> __state;
__end_state() {}
virtual void __exec(__state&) const;
virtual string speak() const {return "end state";}
};
template <class _CharT>
void
__end_state<_CharT>::__exec(__state& __s) const
{
__s.__do_ = __state::__end_state;
}
// __has_one_state
template <class _CharT>
class __has_one_state
: public __node<_CharT>
{
__node<_CharT>* __first_;
public:
explicit __has_one_state(__node<_CharT>* __s)
: __first_(__s) {}
__node<_CharT>* first() const {return __first_;}
__node<_CharT>*& first() {return __first_;}
};
// __owns_one_state
template <class _CharT>
class __owns_one_state
: public __has_one_state<_CharT>
{
typedef __has_one_state<_CharT> base;
public:
explicit __owns_one_state(__node<_CharT>* __s)
: base(__s) {}
virtual ~__owns_one_state();
};
template <class _CharT>
__owns_one_state<_CharT>::~__owns_one_state()
{
delete this->first();
}
// __empty_state
template <class _CharT>
class __empty_state
: public __owns_one_state<_CharT>
{
typedef __owns_one_state<_CharT> base;
public:
typedef _STD::__state<_CharT> __state;
explicit __empty_state(__node<_CharT>* __s)
: base(__s) {}
virtual void __exec(__state&) const;
virtual string speak() const {return "empty state";}
};
template <class _CharT>
void
__empty_state<_CharT>::__exec(__state& __s) const
{
__s.__do_ = __state::__accept_but_not_consume;
__s.__node_ = this->first();
}
// __empty_non_own_state
template <class _CharT>
class __empty_non_own_state
: public __has_one_state<_CharT>
{
typedef __has_one_state<_CharT> base;
public:
typedef _STD::__state<_CharT> __state;
explicit __empty_non_own_state(__node<_CharT>* __s)
: base(__s) {}
virtual void __exec(__state&) const;
virtual string speak() const {return "empty non-owning state";}
};
template <class _CharT>
void
__empty_non_own_state<_CharT>::__exec(__state& __s) const
{
__s.__do_ = __state::__accept_but_not_consume;
__s.__node_ = this->first();
}
// __repeat_one_loop
template <class _CharT>
class __repeat_one_loop
: public __has_one_state<_CharT>
{
typedef __has_one_state<_CharT> base;
public:
typedef _STD::__state<_CharT> __state;
explicit __repeat_one_loop(__node<_CharT>* __s)
: base(__s) {}
virtual void __exec(__state&) const;
virtual string speak() const {return "repeat loop";}
};
template <class _CharT>
void
__repeat_one_loop<_CharT>::__exec(__state& __s) const
{
__s.__do_ = __state::__repeat;
__s.__node_ = this->first();
}
// __owns_two_states
template <class _CharT>
class __owns_two_states
: public __owns_one_state<_CharT>
{
typedef __owns_one_state<_CharT> base;
base* __second_;
public:
explicit __owns_two_states(__node<_CharT>* __s1, base* __s2)
: base(__s1), __second_(__s2) {}
virtual ~__owns_two_states();
base* second() const {return __second_;}
base*& second() {return __second_;}
};
template <class _CharT>
__owns_two_states<_CharT>::~__owns_two_states()
{
delete __second_;
}
// __loop
template <class _CharT>
class __loop
: public __owns_two_states<_CharT>
{
typedef __owns_two_states<_CharT> base;
size_t __min_;
size_t __max_;
unsigned __loop_id_;
unsigned __mexp_begin_;
unsigned __mexp_end_;
bool __greedy_;
public:
typedef _STD::__state<_CharT> __state;
explicit __loop(unsigned __loop_id,
__node<_CharT>* __s1, __owns_one_state<_CharT>* __s2,
unsigned __mexp_begin, unsigned __mexp_end,
bool __greedy = true,
size_t __min = 0,
size_t __max = numeric_limits<size_t>::max())
: base(__s1, __s2), __min_(__min), __max_(__max), __loop_id_(__loop_id),
__mexp_begin_(__mexp_begin), __mexp_end_(__mexp_end),
__greedy_(__greedy) {}
virtual void __exec(__state& __s) const;
virtual void __exec_split(bool __second, __state& __s) const;
virtual string speak() const
{
ostringstream os;
os << "loop "<< __loop_id_ << " {" << __min_ << ',' << __max_ << "}";
if (!__greedy_)
os << " not";
os << " greedy";
return os.str();
}
private:
void __init_repeat(__state& __s) const
{
__s.__loop_data_[__loop_id_].second = __s.__current_;
for (size_t __i = __mexp_begin_-1; __i != __mexp_end_-1; ++__i)
{
__s.__sub_matches_[__i].first = __s.__last_;
__s.__sub_matches_[__i].second = __s.__last_;
__s.__sub_matches_[__i].matched = false;
}
}
};
template <class _CharT>
void
__loop<_CharT>::__exec(__state& __s) const
{
if (__s.__do_ == __state::__repeat)
{
bool __do_repeat = ++__s.__loop_data_[__loop_id_].first < __max_;
bool __do_alt = __s.__loop_data_[__loop_id_].first >= __min_;
if (__do_repeat && __do_alt &&
__s.__loop_data_[__loop_id_].second == __s.__current_)
__do_repeat = false;
if (__do_repeat && __do_alt)
__s.__do_ = __state::__split;
else if (__do_repeat)
{
__s.__do_ = __state::__accept_but_not_consume;
__s.__node_ = this->first();
__init_repeat(__s);
}
else
{
__s.__do_ = __state::__accept_but_not_consume;
__s.__node_ = this->second();
}
}
else
{
if (__max_ > 0)
__s.__do_ = __state::__split;
else
{
__s.__do_ = __state::__accept_but_not_consume;
__s.__node_ = this->second();
}
}
}
template <class _CharT>
void
__loop<_CharT>::__exec_split(bool __second, __state& __s) const
{
__s.__do_ = __state::__accept_but_not_consume;
if (__greedy_ != __second)
{
__s.__node_ = this->first();
__init_repeat(__s);
}
else
__s.__node_ = this->second();
}
// __begin_marked_subexpression
template <class _CharT>
class __begin_marked_subexpression
: public __owns_one_state<_CharT>
{
typedef __owns_one_state<_CharT> base;
unsigned __mexp_;
public:
typedef _STD::__state<_CharT> __state;
explicit __begin_marked_subexpression(unsigned __mexp, __node<_CharT>* __s)
: base(__s), __mexp_(__mexp) {}
virtual void __exec(__state&) const;
virtual string speak() const
{
ostringstream os;
os << "begin marked expr " << __mexp_;
return os.str();
}
};
template <class _CharT>
void
__begin_marked_subexpression<_CharT>::__exec(__state& __s) const
{
__s.__do_ = __state::__accept_but_not_consume;
__s.__sub_matches_[__mexp_-1].first = __s.__current_;
__s.__node_ = this->first();
}
// __end_marked_subexpression
template <class _CharT>
class __end_marked_subexpression
: public __owns_one_state<_CharT>
{
typedef __owns_one_state<_CharT> base;
unsigned __mexp_;
public:
typedef _STD::__state<_CharT> __state;
explicit __end_marked_subexpression(unsigned __mexp, __node<_CharT>* __s)
: base(__s), __mexp_(__mexp) {}
virtual void __exec(__state&) const;
virtual string speak() const
{
ostringstream os;
os << "end marked expr " << __mexp_;
return os.str();
}
};
template <class _CharT>
void
__end_marked_subexpression<_CharT>::__exec(__state& __s) const
{
__s.__do_ = __state::__accept_but_not_consume;
__s.__sub_matches_[__mexp_-1].second = __s.__current_;
__s.__sub_matches_[__mexp_-1].matched = true;
__s.__node_ = this->first();
}
// __r_anchor
template <class _CharT>
class __r_anchor
: public __owns_one_state<_CharT>
{
typedef __owns_one_state<_CharT> base;
public:
typedef _STD::__state<_CharT> __state;
__r_anchor(__node<_CharT>* __s)
: base(__s) {}
virtual void __exec(__state&) const;
virtual string speak() const
{
ostringstream os;
os << "right anchor";
return os.str();
}
};
template <class _CharT>
void
__r_anchor<_CharT>::__exec(__state& __s) const
{
if (__s.__current_ == __s.__last_)
{
__s.__do_ = __state::__accept_but_not_consume;
__s.__node_ = this->first();
}
else
{
__s.__do_ = __state::__reject;
__s.__node_ = nullptr;
}
}
// __match_any
template <class _CharT>
class __match_any
: public __owns_one_state<_CharT>
{
typedef __owns_one_state<_CharT> base;
public:
typedef _STD::__state<_CharT> __state;
__match_any(__node<_CharT>* __s)
: base(__s) {}
virtual void __exec(__state&) const;
virtual string speak() const
{
ostringstream os;
os << "match any";
return os.str();
}
};
template <class _CharT>
void
__match_any<_CharT>::__exec(__state& __s) const
{
if (__s.__current_ != __s.__last_ && *__s.__current_ != 0)
{
__s.__do_ = __state::__accept_and_consume;
++__s.__current_;
__s.__node_ = this->first();
}
else
{
__s.__do_ = __state::__reject;
__s.__node_ = nullptr;
}
}
// __match_char
template <class _CharT>
class __match_char
: public __owns_one_state<_CharT>
{
typedef __owns_one_state<_CharT> base;
_CharT __c_;
__match_char(const __match_char&);
__match_char& operator=(const __match_char&);
public:
typedef _STD::__state<_CharT> __state;
__match_char(_CharT __c, __node<_CharT>* __s)
: base(__s), __c_(__c) {}
virtual void __exec(__state&) const;
virtual string speak() const
{
ostringstream os;
os << "match char " << __c_;
return os.str();
}
};
template <class _CharT>
void
__match_char<_CharT>::__exec(__state& __s) const
{
if (__s.__current_ != __s.__last_ && *__s.__current_ == __c_)
{
__s.__do_ = __state::__accept_and_consume;
++__s.__current_;
__s.__node_ = this->first();
}
else
{
__s.__do_ = __state::__reject;
__s.__node_ = nullptr;
}
}
template <class, class> class match_results;
template <class _CharT, class _Traits = regex_traits<_CharT> >
class basic_regex
{
public:
// types:
typedef _CharT value_type;
typedef regex_constants::syntax_option_type flag_type;
typedef typename _Traits::locale_type locale_type;
private:
_Traits __traits_;
flag_type __flags_;
unsigned __marked_count_;
unsigned __loop_count_;
int __open_count_;
shared_ptr<__empty_state<_CharT> > __start_;
__owns_one_state<_CharT>* __end_;
bool __left_anchor_;
typedef _STD::__state<_CharT> __state;
typedef _STD::__node<_CharT> __node;
public:
// constants:
static const/*expr*/ regex_constants::syntax_option_type icase = regex_constants::icase;
static const/*expr*/ regex_constants::syntax_option_type nosubs = regex_constants::nosubs;
static const/*expr*/ regex_constants::syntax_option_type optimize = regex_constants::optimize;
static const/*expr*/ regex_constants::syntax_option_type collate = regex_constants::collate;
static const/*expr*/ regex_constants::syntax_option_type ECMAScript = regex_constants::ECMAScript;
static const/*expr*/ regex_constants::syntax_option_type basic = regex_constants::basic;
static const/*expr*/ regex_constants::syntax_option_type extended = regex_constants::extended;
static const/*expr*/ regex_constants::syntax_option_type awk = regex_constants::awk;
static const/*expr*/ regex_constants::syntax_option_type grep = regex_constants::grep;
static const/*expr*/ regex_constants::syntax_option_type egrep = regex_constants::egrep;
// construct/copy/destroy:
basic_regex()
: __flags_(), __marked_count_(0), __loop_count_(0), __open_count_(0),
__end_(0), __left_anchor_(false)
{}
explicit basic_regex(const value_type* __p, flag_type __f = regex_constants::ECMAScript)
: __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
__end_(0), __left_anchor_(false)
{__parse(__p, __p + __traits_.length(__p));}
basic_regex(const value_type* __p, size_t __len, flag_type __f)
: __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
__end_(0), __left_anchor_(false)
{__parse(__p, __p + __len);}
basic_regex(const basic_regex&);
#ifdef _LIBCPP_MOVE
basic_regex(basic_regex&&);
#endif
template <class _ST, class _SA>
explicit basic_regex(const basic_string<value_type, _ST, _SA>& __p,
flag_type __f = regex_constants::ECMAScript)
: __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
__end_(0), __left_anchor_(false)
{__parse(__p.begin(), __p.end());}
template <class _ForwardIterator>
basic_regex(_ForwardIterator __first, _ForwardIterator __last,
flag_type __f = regex_constants::ECMAScript)
: __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
__end_(0), __left_anchor_(false)
{__parse(__first, __last);}
basic_regex(initializer_list<value_type> __il,
flag_type __f = regex_constants::ECMAScript)
: __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
__end_(0), __left_anchor_(false)
{__parse(__il.begin(), __il.end());}
~basic_regex();
basic_regex& operator=(const basic_regex&);
#ifdef _LIBCPP_MOVE
basic_regex& operator=(basic_regex&&);
#endif
basic_regex& operator=(const value_type* __p);
basic_regex& operator=(initializer_list<value_type> __il);
template <class _ST, class _SA>
basic_regex& operator=(const basic_string<value_type, _ST, _SA>& __p);
// assign:
basic_regex& assign(const basic_regex& __that);
#ifdef _LIBCPP_MOVE
basic_regex& assign(basic_regex&& __that);
#endif
basic_regex& assign(const value_type* __p, flag_type __f = regex_constants::ECMAScript);
basic_regex& assign(const value_type* __p, size_t __len, flag_type __f);
template <class _ST, class _SA>
basic_regex& assign(const basic_string<value_type, _ST, _SA>& __s,
flag_type __f = regex_constants::ECMAScript);
template <class _InputIterator>
basic_regex& assign(_InputIterator __first, _InputIterator __last,
flag_type __f = regex_constants::ECMAScript);
basic_regex& assign(initializer_list<value_type> __il,
flag_type = regex_constants::ECMAScript);
// const operations:
unsigned mark_count() const {return __marked_count_;}
flag_type flags() const {return __flags_;}
// locale:
locale_type imbue(locale_type __loc) {return __traits_.imbue(__loc);}
locale_type getloc() const {return __traits_.getloc();}
// swap:
void swap(basic_regex&);
private:
unsigned __loop_count() const {return __loop_count_;}
template <class _ForwardIterator>
void __parse(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_basic_reg_exp(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_RE_expression(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_simple_RE(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_nondupl_RE(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_one_char_or_coll_elem_RE(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_Back_open_paren(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_Back_close_paren(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_Back_open_brace(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_Back_close_brace(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_BACKREF(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_ORD_CHAR(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_QUOTED_CHAR(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_RE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last,
__owns_one_state<_CharT>* __s,
unsigned __mexp_begin, unsigned __mexp_end);
template <class _ForwardIterator>
_ForwardIterator
__parse_ERE_dupl_symbol(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_bracket_expression(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_follow_list(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_expression_term(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_equivalence_class(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_character_class(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_collating_symbol(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_DUP_COUNT(_ForwardIterator __first, _ForwardIterator __last, int& __c);
template <class _ForwardIterator>
_ForwardIterator
__parse_extended_reg_exp(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_ERE_branch(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_ERE_expression(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_one_char_or_coll_elem_ERE(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_ORD_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last);
template <class _ForwardIterator>
_ForwardIterator
__parse_QUOTED_CHAR_ERE(_ForwardIterator __first, _ForwardIterator __last);
void __push_l_anchor() {__left_anchor_ = true;}
void __push_r_anchor();
void __push_match_any();
void __push_greedy_inf_repeat(size_t __min, __owns_one_state<_CharT>* __s,
unsigned __mexp_begin = 0, unsigned __mexp_end = 0)
{__push_loop(__min, numeric_limits<size_t>::max(), __s,
__mexp_begin, __mexp_end);}
void __push_exact_repeat(int __count) {}
void __push_loop(size_t __min, size_t __max, __owns_one_state<_CharT>* __s,
size_t __mexp_begin = 0, size_t __mexp_end = 0,
bool __greedy = true);
void __start_nonmatching_list() {}
void __start_matching_list() {}
void __end_nonmatching_list() {}
void __end_matching_list() {}
void __push_char(value_type __c);
void __push_char(const typename _Traits::string_type& __c) {}
void __push_range() {}
void __push_class_type(typename _Traits::char_class_type) {}
void __push_back_ref(int __i) {}
void __push_alternation() {}
void __push_begin_marked_subexpression();
void __push_end_marked_subexpression(unsigned);
template <class _BidirectionalIterator, class _Allocator>
bool
__search(_BidirectionalIterator __first, _BidirectionalIterator __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
regex_constants::match_flag_type __flags) const;
template <class _BidirectionalIterator, class _Allocator>
bool
__match_at_start(_BidirectionalIterator __first, _BidirectionalIterator __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
vector<size_t>& __lc,
regex_constants::match_flag_type __flags) const;
template <class _BidirectionalIterator, class _Allocator>
bool
__match_at_start_ecma(_BidirectionalIterator __first, _BidirectionalIterator __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
regex_constants::match_flag_type __flags) const;
template <class _BidirectionalIterator, class _Allocator>
bool
__match_at_start_posix_nosubs(const _CharT* __first, const _CharT* __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
vector<size_t>& __lc,
regex_constants::match_flag_type __flags) const;
template <class _BidirectionalIterator, class _Allocator>
bool
__match_at_start_posix_subs(_BidirectionalIterator __first, _BidirectionalIterator __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
vector<size_t>& __lc,
regex_constants::match_flag_type __flags) const;
template <class _B, class _A, class _C, class _T>
friend
bool
regex_search(_B, _B, match_results<_B, _A>&, const basic_regex<_C, _T>&,
regex_constants::match_flag_type);
};
template <class _CharT, class _Traits>
basic_regex<_CharT, _Traits>::~basic_regex()
{
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
void
basic_regex<_CharT, _Traits>::__parse(_ForwardIterator __first,
_ForwardIterator __last)
{
{
unique_ptr<__node> __h(new __end_state<_CharT>);
__start_.reset(new __empty_state<_CharT>(__h.get()));
__h.release();
__end_ = __start_.get();
}
switch (__flags_ & 0x3F0)
{
case ECMAScript:
break;
case basic:
__parse_basic_reg_exp(__first, __last);
break;
case extended:
__parse_extended_reg_exp(__first, __last);
break;
case awk:
break;
case grep:
break;
case egrep:
break;
default:
throw regex_error(regex_constants::error_temp);
}
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_basic_reg_exp(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
if (*__first == '^')
{
__push_l_anchor();
++__first;
}
if (__first != __last)
{
__first = __parse_RE_expression(__first, __last);
if (__first != __last)
{
_ForwardIterator __temp = next(__first);
if (__temp == __last && *__first == '$')
{
__push_r_anchor();
++__first;
}
}
}
if (__first != __last)
throw regex_error(regex_constants::error_temp);
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_extended_reg_exp(_ForwardIterator __first,
_ForwardIterator __last)
{
while (true)
{
_ForwardIterator __temp = __parse_ERE_branch(__first, __last);
if (__temp == __first)
throw regex_error(regex_constants::error_temp);
__first = __temp;
if (__first == __last)
break;
if (*__first != '|')
throw regex_error(regex_constants::error_temp);
__push_alternation();
++__first;
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_ERE_branch(_ForwardIterator __first,
_ForwardIterator __last)
{
_ForwardIterator __temp = __parse_ERE_expression(__first, __last);
if (__temp == __first)
throw regex_error(regex_constants::error_temp);
do
{
__first = __temp;
__temp = __parse_ERE_expression(__first, __last);
} while (__temp != __first);
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_ERE_expression(_ForwardIterator __first,
_ForwardIterator __last)
{
_ForwardIterator __temp = __parse_one_char_or_coll_elem_ERE(__first, __last);
if (__temp == __first && __temp != __last)
{
switch (*__temp)
{
case '^':
__push_l_anchor();
++__temp;
break;
case '$':
__push_r_anchor();
++__temp;
break;
case '(':
__push_begin_marked_subexpression();
unsigned __temp_count = __marked_count_;
++__open_count_;
__temp = __parse_extended_reg_exp(++__temp, __last);
if (__temp == __last || *__temp != ')')
throw regex_error(regex_constants::error_paren);
__push_end_marked_subexpression(__temp_count);
--__open_count_;
++__temp;
break;
}
}
if (__temp != __first)
__temp = __parse_ERE_dupl_symbol(__temp, __last);
__first = __temp;
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_RE_expression(_ForwardIterator __first,
_ForwardIterator __last)
{
while (true)
{
_ForwardIterator __temp = __parse_simple_RE(__first, __last);
if (__temp == __first)
break;
__first = __temp;
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_simple_RE(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
__owns_one_state<_CharT>* __e = __end_;
unsigned __mexp_begin = __marked_count_;
_ForwardIterator __temp = __parse_nondupl_RE(__first, __last);
if (__temp != __first)
__first = __parse_RE_dupl_symbol(__temp, __last, __e,
__mexp_begin+1, __marked_count_+1);
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_nondupl_RE(_ForwardIterator __first,
_ForwardIterator __last)
{
_ForwardIterator __temp = __first;
__first = __parse_one_char_or_coll_elem_RE(__first, __last);
if (__temp == __first)
{
__temp = __parse_Back_open_paren(__first, __last);
if (__temp != __first)
{
__push_begin_marked_subexpression();
unsigned __temp_count = __marked_count_;
__first = __parse_RE_expression(__temp, __last);
__temp = __parse_Back_close_paren(__first, __last);
if (__temp == __first)
throw regex_error(regex_constants::error_paren);
__push_end_marked_subexpression(__temp_count);
__first = __temp;
}
else
__first = __parse_BACKREF(__first, __last);
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_RE(
_ForwardIterator __first,
_ForwardIterator __last)
{
_ForwardIterator __temp = __parse_ORD_CHAR(__first, __last);
if (__temp == __first)
{
__temp = __parse_QUOTED_CHAR(__first, __last);
if (__temp == __first)
{
if (__temp != __last && *__temp == '.')
{
__push_match_any();
++__temp;
}
else
__temp = __parse_bracket_expression(__first, __last);
}
}
__first = __temp;
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_one_char_or_coll_elem_ERE(
_ForwardIterator __first,
_ForwardIterator __last)
{
_ForwardIterator __temp = __parse_ORD_CHAR_ERE(__first, __last);
if (__temp == __first)
{
__temp = __parse_QUOTED_CHAR_ERE(__first, __last);
if (__temp == __first)
{
if (__temp != __last && *__temp == '.')
{
__push_match_any();
++__temp;
}
else
__temp = __parse_bracket_expression(__first, __last);
}
}
__first = __temp;
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_Back_open_paren(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
_ForwardIterator __temp = next(__first);
if (__temp != __last)
{
if (*__first == '\\' && *__temp == '(')
__first = ++__temp;
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_Back_close_paren(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
_ForwardIterator __temp = next(__first);
if (__temp != __last)
{
if (*__first == '\\' && *__temp == ')')
__first = ++__temp;
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_Back_open_brace(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
_ForwardIterator __temp = next(__first);
if (__temp != __last)
{
if (*__first == '\\' && *__temp == '{')
__first = ++__temp;
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_Back_close_brace(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
_ForwardIterator __temp = next(__first);
if (__temp != __last)
{
if (*__first == '\\' && *__temp == '}')
__first = ++__temp;
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_BACKREF(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
_ForwardIterator __temp = next(__first);
if (__temp != __last)
{
if (*__first == '\\' && '1' <= *__temp && *__temp <= '9')
{
__push_back_ref(*__temp - '0');
__first = ++__temp;
}
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_ORD_CHAR(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
_ForwardIterator __temp = next(__first);
if (__temp == __last && *__first == '$')
return __first;
// Not called inside a bracket
if (*__first == '.' || *__first == '\\' || *__first == '[')
return __first;
__push_char(*__first);
++__first;
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_ORD_CHAR_ERE(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
switch (*__first)
{
case '^':
case '.':
case '[':
case '$':
case '(':
case '|':
case '*':
case '+':
case '?':
case '{':
case '\\':
break;
case ')':
if (__open_count_ == 0)
{
__push_char(*__first);
++__first;
}
break;
default:
__push_char(*__first);
++__first;
break;
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
_ForwardIterator __temp = next(__first);
if (__temp != __last)
{
if (*__first == '\\')
{
switch (*__temp)
{
case '^':
case '.':
case '*':
case '[':
case '$':
case '\\':
__push_char(*__temp);
__first = ++__temp;
break;
}
}
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_QUOTED_CHAR_ERE(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
_ForwardIterator __temp = next(__first);
if (__temp != __last)
{
if (*__first == '\\')
{
switch (*__temp)
{
case '^':
case '.':
case '*':
case '[':
case '$':
case '\\':
case '(':
case ')':
case '|':
case '+':
case '?':
case '{':
__push_char(*__temp);
__first = ++__temp;
break;
}
}
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_RE_dupl_symbol(_ForwardIterator __first,
_ForwardIterator __last,
__owns_one_state<_CharT>* __s,
unsigned __mexp_begin,
unsigned __mexp_end)
{
if (__first != __last)
{
if (*__first == '*')
{
__push_greedy_inf_repeat(0, __s, __mexp_begin, __mexp_end);
++__first;
}
else
{
_ForwardIterator __temp = __parse_Back_open_brace(__first, __last);
if (__temp != __first)
{
int __min = 0;
__first = __temp;
__temp = __parse_DUP_COUNT(__first, __last, __min);
if (__temp == __first)
throw regex_error(regex_constants::error_badbrace);
__first = __temp;
if (__first == __last)
throw regex_error(regex_constants::error_brace);
if (*__first != ',')
{
__temp = __parse_Back_close_brace(__first, __last);
if (__temp == __first)
throw regex_error(regex_constants::error_brace);
__push_exact_repeat(__min);
__first = __temp;
}
else
{
++__first; // consume ','
int __max = -1;
__first = __parse_DUP_COUNT(__first, __last, __max);
__temp = __parse_Back_close_brace(__first, __last);
if (__temp == __first)
throw regex_error(regex_constants::error_brace);
if (__max == -1)
__push_greedy_inf_repeat(__min, __s, __mexp_end, __mexp_end);
else
{
if (__max < __min)
throw regex_error(regex_constants::error_badbrace);
__push_loop(__min, __max, __s);
}
__first = __temp;
}
}
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_ERE_dupl_symbol(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
switch (*__first)
{
case '*':
__push_greedy_inf_repeat(0, nullptr);
++__first;
break;
case '+':
__push_greedy_inf_repeat(1, nullptr);
++__first;
break;
case '?':
__push_loop(0, 1, nullptr);
++__first;
break;
case '{':
{
int __min;
_ForwardIterator __temp = __parse_DUP_COUNT(__first, __last, __min);
if (__temp == __first)
throw regex_error(regex_constants::error_badbrace);
__first = __temp;
if (__first == __last)
throw regex_error(regex_constants::error_brace);
switch (*__first)
{
case '}':
__push_exact_repeat(__min);
++__first;
break;
case ',':
if (++__first == __last)
throw regex_error(regex_constants::error_badbrace);
if (*__first == '}')
{
__push_greedy_inf_repeat(__min, nullptr);
++__first;
}
else
{
int __max;
__temp = __parse_DUP_COUNT(__first, __last, __max);
if (__temp == __first)
throw regex_error(regex_constants::error_brace);
__first = __temp;
if (__first == __last || *__first != '}')
throw regex_error(regex_constants::error_brace);
++__first;
if (__max < __min)
throw regex_error(regex_constants::error_badbrace);
__push_loop(__min, __max, nullptr);
}
default:
throw regex_error(regex_constants::error_badbrace);
}
}
break;
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_bracket_expression(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last && *__first == '[')
{
if (++__first == __last)
throw regex_error(regex_constants::error_brack);
bool __non_matching = false;
if (*__first == '^')
{
++__first;
__non_matching = true;
__start_nonmatching_list();
}
else
__start_matching_list();
if (__first == __last)
throw regex_error(regex_constants::error_brack);
if (*__first == ']')
{
__push_char(']');
++__first;
}
__first = __parse_follow_list(__first, __last);
if (__first == __last)
throw regex_error(regex_constants::error_brack);
if (*__first == '-')
{
__push_char('-');
++__first;
}
if (__first == __last || *__first != ']')
throw regex_error(regex_constants::error_brack);
if (__non_matching)
__end_nonmatching_list();
else
__end_matching_list();
++__first;
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_follow_list(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last)
{
while (true)
{
_ForwardIterator __temp = __parse_expression_term(__first, __last);
if (__temp == __first)
break;
__first = __temp;
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_expression_term(_ForwardIterator __first,
_ForwardIterator __last)
{
if (__first != __last && *__first != ']')
{
bool __parsed_one = false;
_ForwardIterator __temp = next(__first);
if (__temp != __last && *__first == '[')
{
if (*__temp == '=')
return __parse_equivalence_class(++__temp, __last);
else if (*__temp == ':')
return __parse_character_class(++__temp, __last);
else if (*__temp == '.')
{
__first = __parse_collating_symbol(++__temp, __last);
__parsed_one = true;
}
}
if (!__parsed_one)
{
__push_char(*__first);
++__first;
}
if (__first != __last && *__first != ']')
{
__temp = next(__first);
if (__temp != __last && *__first == '-' && *__temp != ']')
{
// parse a range
__first = __temp;
++__temp;
if (__temp != __last && *__first == '[' && *__temp == '.')
__first = __parse_collating_symbol(++__temp, __last);
else
{
__push_char(*__first);
++__first;
}
__push_range();
}
}
}
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_equivalence_class(_ForwardIterator __first,
_ForwardIterator __last)
{
// Found [=
// This means =] must exist
value_type _Equal_close[2] = {'=', ']'};
_ForwardIterator __temp = _STD::search(__first, __last, _Equal_close,
_Equal_close+2);
if (__temp == __last)
throw regex_error(regex_constants::error_brack);
// [__first, __temp) contains all text in [= ... =]
typedef typename _Traits::string_type string_type;
string_type __collate_name =
__traits_.lookup_collatename(__first, __temp);
if (__collate_name.empty())
throw regex_error(regex_constants::error_brack);
string_type __equiv_name =
__traits_.transform_primary(__collate_name.begin(),
__collate_name.end());
if (!__equiv_name.empty())
__push_char(__equiv_name);
else
__push_char(__collate_name);
__first = next(__temp, 2);
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_character_class(_ForwardIterator __first,
_ForwardIterator __last)
{
// Found [:
// This means :] must exist
value_type _Colon_close[2] = {':', ']'};
_ForwardIterator __temp = _STD::search(__first, __last, _Colon_close,
_Colon_close+2);
if (__temp == __last)
throw regex_error(regex_constants::error_brack);
// [__first, __temp) contains all text in [: ... :]
typedef typename _Traits::char_class_type char_class_type;
char_class_type __class_type =
__traits_.lookup_classname(__first, __temp, __flags_ & icase);
if (__class_type == 0)
throw regex_error(regex_constants::error_brack);
__push_class_type(__class_type);
__first = next(__temp, 2);
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_collating_symbol(_ForwardIterator __first,
_ForwardIterator __last)
{
// Found [.
// This means .] must exist
value_type _Dot_close[2] = {'.', ']'};
_ForwardIterator __temp = _STD::search(__first, __last, _Dot_close,
_Dot_close+2);
if (__temp == __last)
throw regex_error(regex_constants::error_brack);
// [__first, __temp) contains all text in [. ... .]
typedef typename _Traits::string_type string_type;
string_type __collate_name =
__traits_.lookup_collatename(__first, __temp);
if (__collate_name.empty())
throw regex_error(regex_constants::error_brack);
__push_char(__collate_name);
__first = next(__temp, 2);
return __first;
}
template <class _CharT, class _Traits>
template <class _ForwardIterator>
_ForwardIterator
basic_regex<_CharT, _Traits>::__parse_DUP_COUNT(_ForwardIterator __first,
_ForwardIterator __last,
int& __c)
{
if (__first != __last && '0' <= *__first && *__first <= '9')
{
__c = *__first - '0';
for (++__first; __first != __last && '0' <= *__first && *__first <= '9';
++__first)
{
__c *= 10;
__c += *__first - '0';
}
}
return __first;
}
template <class _CharT, class _Traits>
void
basic_regex<_CharT, _Traits>::__push_loop(size_t __min, size_t __max,
__owns_one_state<_CharT>* __s, size_t __mexp_begin, size_t __mexp_end,
bool __greedy)
{
unique_ptr<__empty_state<_CharT> > __e1(new __empty_state<_CharT>(__end_->first()));
__end_->first() = nullptr;
unique_ptr<__loop<_CharT> > __e2(new __loop<_CharT>(__loop_count_,
__s->first(), __e1.get(), __mexp_begin, __mexp_end, __greedy,
__min, __max));
__s->first() = nullptr;
__e1.release();
__end_->first() = new __repeat_one_loop<_CharT>(__e2.get());
__end_ = __e2->second();
__s->first() = __e2.release();
++__loop_count_;
}
template <class _CharT, class _Traits>
void
basic_regex<_CharT, _Traits>::__push_char(value_type __c)
{
__end_->first() = new __match_char<_CharT>(__c, __end_->first());
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
}
template <class _CharT, class _Traits>
void
basic_regex<_CharT, _Traits>::__push_begin_marked_subexpression()
{
__end_->first() = new __begin_marked_subexpression<_CharT>(++__marked_count_,
__end_->first());
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
}
template <class _CharT, class _Traits>
void
basic_regex<_CharT, _Traits>::__push_end_marked_subexpression(unsigned __sub)
{
__end_->first() = new __end_marked_subexpression<_CharT>(__sub,
__end_->first());
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
}
template <class _CharT, class _Traits>
void
basic_regex<_CharT, _Traits>::__push_r_anchor()
{
__end_->first() = new __r_anchor<_CharT>(__end_->first());
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
}
template <class _CharT, class _Traits>
void
basic_regex<_CharT, _Traits>::__push_match_any()
{
__end_->first() = new __match_any<_CharT>(__end_->first());
__end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
}
typedef basic_regex<char> regex;
typedef basic_regex<wchar_t> wregex;
// sub_match
template <class _BidirectionalIterator>
class sub_match
: public pair<_BidirectionalIterator, _BidirectionalIterator>
{
public:
typedef _BidirectionalIterator iterator;
typedef typename iterator_traits<iterator>::value_type value_type;
typedef typename iterator_traits<iterator>::difference_type difference_type;
typedef basic_string<value_type> string_type;
bool matched;
difference_type length() const
{return matched ? _STD::distance(this->first, this->second) : 0;}
string_type str() const
{return matched ? string_type(this->first, this->second) : string_type();}
operator string_type() const
{return str();}
int compare(const sub_match& __s) const
{return str().compare(__s.str());}
int compare(const string_type& __s) const
{return str().compare(__s);}
int compare(const value_type* __s) const
{return str().compare(__s);}
};
typedef sub_match<const char*> csub_match;
typedef sub_match<const wchar_t*> wcsub_match;
typedef sub_match<string::const_iterator> ssub_match;
typedef sub_match<wstring::const_iterator> wssub_match;
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
{
return __x.compare(__y) == 0;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
{
return !(__x == __y);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
{
return __x.compare(__y) < 0;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
{
return !(__y < __x);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
{
return !(__x < __y);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>(const sub_match<_BiIter>& __x, const sub_match<_BiIter>& __y)
{
return __y < __x;
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
const sub_match<_BiIter>& __y)
{
return __y.compare(__x.c_str()) == 0;
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
const sub_match<_BiIter>& __y)
{
return !(__x == __y);
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
const sub_match<_BiIter>& __y)
{
return __y.compare(__x.c_str()) > 0;
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
const sub_match<_BiIter>& __y)
{
return __y < __x;
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool operator>=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
const sub_match<_BiIter>& __y)
{
return !(__x < __y);
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __x,
const sub_match<_BiIter>& __y)
{
return !(__y < __x);
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const sub_match<_BiIter>& __x,
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
{
return __x.compare(__y.c_str()) == 0;
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const sub_match<_BiIter>& __x,
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
{
return !(__x == __y);
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<(const sub_match<_BiIter>& __x,
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
{
return __x.compare(__y.c_str()) < 0;
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool operator>(const sub_match<_BiIter>& __x,
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
{
return __y < __x;
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const sub_match<_BiIter>& __x,
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
{
return !(__x < __y);
}
template <class _BiIter, class _ST, class _SA>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const sub_match<_BiIter>& __x,
const basic_string<typename iterator_traits<_BiIter>::value_type, _ST, _SA>& __y)
{
return !(__y < __x);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(typename iterator_traits<_BiIter>::value_type const* __x,
const sub_match<_BiIter>& __y)
{
return __y.compare(__x) == 0;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(typename iterator_traits<_BiIter>::value_type const* __x,
const sub_match<_BiIter>& __y)
{
return !(__x == __y);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<(typename iterator_traits<_BiIter>::value_type const* __x,
const sub_match<_BiIter>& __y)
{
return __y.compare(__x) > 0;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>(typename iterator_traits<_BiIter>::value_type const* __x,
const sub_match<_BiIter>& __y)
{
return __y < __x;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(typename iterator_traits<_BiIter>::value_type const* __x,
const sub_match<_BiIter>& __y)
{
return !(__x < __y);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(typename iterator_traits<_BiIter>::value_type const* __x,
const sub_match<_BiIter>& __y)
{
return !(__y < __x);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const* __y)
{
return __x.compare(__y) == 0;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const* __y)
{
return !(__x == __y);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const* __y)
{
return __x.compare(__y) < 0;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const* __y)
{
return __y < __x;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const* __y)
{
return !(__x < __y);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const* __y)
{
return !(__y < __x);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(typename iterator_traits<_BiIter>::value_type const& __x,
const sub_match<_BiIter>& __y)
{
typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type;
return __y.compare(string_type(1, __x)) == 0;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(typename iterator_traits<_BiIter>::value_type const& __x,
const sub_match<_BiIter>& __y)
{
return !(__x == __y);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<(typename iterator_traits<_BiIter>::value_type const& __x,
const sub_match<_BiIter>& __y)
{
typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type;
return __y.compare(string_type(1, __x)) > 0;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>(typename iterator_traits<_BiIter>::value_type const& __x,
const sub_match<_BiIter>& __y)
{
return __y < __x;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(typename iterator_traits<_BiIter>::value_type const& __x,
const sub_match<_BiIter>& __y)
{
return !(__x < __y);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(typename iterator_traits<_BiIter>::value_type const& __x,
const sub_match<_BiIter>& __y)
{
return !(__y < __x);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const& __y)
{
typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type;
return __x.compare(string_type(1, __y)) == 0;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const& __y)
{
return !(__x == __y);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const& __y)
{
typedef basic_string<typename iterator_traits<_BiIter>::value_type> string_type;
return __x.compare(string_type(1, __y)) < 0;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const& __y)
{
return __y < __x;
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const& __y)
{
return !(__x < __y);
}
template <class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const sub_match<_BiIter>& __x,
typename iterator_traits<_BiIter>::value_type const& __y)
{
return !(__y < __x);
}
template <class _CharT, class _ST, class _BiIter>
inline _LIBCPP_INLINE_VISIBILITY
basic_ostream<_CharT, _ST>&
operator<<(basic_ostream<_CharT, _ST>& __os, const sub_match<_BiIter>& __m)
{
return __os << __m.str();
}
template <class _BidirectionalIterator,
class _Allocator = allocator<sub_match<_BidirectionalIterator> > >
class match_results
{
public:
typedef _Allocator allocator_type;
typedef sub_match<_BidirectionalIterator> value_type;
private:
typedef vector<value_type, allocator_type> __container_type;
__container_type __matches_;
value_type __unmatched_;
value_type __prefix_;
value_type __suffix_;
public:
typedef const value_type& const_reference;
typedef const_reference reference;
typedef typename __container_type::const_iterator const_iterator;
typedef const_iterator iterator;
typedef typename iterator_traits<_BidirectionalIterator>::difference_type difference_type;
typedef typename allocator_traits<allocator_type>::size_type size_type;
typedef typename iterator_traits<_BidirectionalIterator>::value_type char_type;
typedef basic_string<char_type> string_type;
// construct/copy/destroy:
explicit match_results(const allocator_type& __a = allocator_type());
// match_results(const match_results&) = default;
// match_results& operator=(const match_results&) = default;
#ifdef _LIBCPP_MOVE
// match_results(match_results&& __m) = default;
// match_results& operator=(match_results&& __m) = default;
#endif
// ~match_results() = default;
// size:
size_type size() const {return __matches_.size();}
size_type max_size() const {return __matches_.max_size();}
bool empty() const {return size() == 0;}
// element access:
difference_type length(size_type __sub = 0) const
{return (*this)[__sub].length();}
difference_type position(size_type __sub = 0) const
{return _STD::distance(__prefix_.first, (*this)[__sub].first);}
string_type str(size_type __sub = 0) const
{return (*this)[__sub].str();}
const_reference operator[](size_type __n) const
{return __n < __matches_.size() ? __matches_[__n] : __unmatched_;}
const_reference prefix() const {return __prefix_;}
const_reference suffix() const {return __suffix_;}
const_iterator begin() const {return empty() ? __matches_.end() : __matches_.begin() + 1;}
const_iterator end() const {return __matches_.end();}
const_iterator cbegin() const {return empty() ? __matches_.end() : __matches_.begin() + 1;}
const_iterator cend() const {return __matches_.end();}
// format:
template <class _OutputIter>
_OutputIter
format(_OutputIter __out, const char_type* __fmt_first,
const char_type* __fmt_last,
regex_constants::match_flag_type __flags = regex_constants::format_default) const;
template <class _OutputIter, class _ST, class _SA>
_OutputIter
format(_OutputIter __out, const basic_string<char_type, _ST, _SA>& __fmt,
regex_constants::match_flag_type __flags = regex_constants::format_default) const;
template <class _ST, class _SA>
basic_string<char_type, _ST, _SA>
format(const basic_string<char_type, _ST, _SA>& __fmt,
regex_constants::match_flag_type __flags = regex_constants::format_default) const;
string_type
format(const char_type* __fmt,
regex_constants::match_flag_type __flags = regex_constants::format_default) const;
// allocator:
allocator_type get_allocator() const {return __matches_.get_allocator();}
// swap:
void swap(match_results& __m);
private:
void __init(unsigned __s,
_BidirectionalIterator __f, _BidirectionalIterator __l);
template <class, class> friend class basic_regex;
template <class _B, class _A, class _C, class _T>
friend
bool
regex_match(_B, _B, match_results<_B, _A>&, const basic_regex<_C, _T>&,
regex_constants::match_flag_type);
};
template <class _BidirectionalIterator, class _Allocator>
match_results<_BidirectionalIterator, _Allocator>::match_results(
const allocator_type& __a)
: __matches_(__a),
__unmatched_(),
__prefix_(),
__suffix_()
{
}
template <class _BidirectionalIterator, class _Allocator>
void
match_results<_BidirectionalIterator, _Allocator>::__init(unsigned __s,
_BidirectionalIterator __f, _BidirectionalIterator __l)
{
__unmatched_.first = __l;
__unmatched_.second = __l;
__unmatched_.matched = false;
__matches_.assign(__s, __unmatched_);
__prefix_.first = __f;
__prefix_.second = __f;
__prefix_.matched = false;
__suffix_ = __unmatched_;
}
typedef match_results<const char*> cmatch;
typedef match_results<const wchar_t*> wcmatch;
typedef match_results<string::const_iterator> smatch;
typedef match_results<wstring::const_iterator> wsmatch;
template <class _BidirectionalIterator, class _Allocator>
bool
operator==(const match_results<_BidirectionalIterator, _Allocator>& __x,
const match_results<_BidirectionalIterator, _Allocator>& __y);
template <class _BidirectionalIterator, class _Allocator>
bool
operator!=(const match_results<_BidirectionalIterator, _Allocator>& __x,
const match_results<_BidirectionalIterator, _Allocator>& __y);
template <class _BidirectionalIterator, class _Allocator>
void
swap(match_results<_BidirectionalIterator, _Allocator>& __x,
match_results<_BidirectionalIterator, _Allocator>& __y);
// regex_search
template <class _CharT, class _Traits>
template <class _BidirectionalIterator, class _Allocator>
bool
basic_regex<_CharT, _Traits>::__match_at_start_ecma(
_BidirectionalIterator __first, _BidirectionalIterator __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
regex_constants::match_flag_type __flags) const
{
return false;
}
template <class _CharT, class _Traits>
template <class _BidirectionalIterator, class _Allocator>
bool
basic_regex<_CharT, _Traits>::__match_at_start_posix_nosubs(
const _CharT* __first, const _CharT* __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
vector<size_t>& __lc,
regex_constants::match_flag_type __flags) const
{
typedef typename iterator_traits<_BidirectionalIterator>::difference_type difference_type;
deque<__state> __states;
difference_type __j = 0;
difference_type __highest_j = 0;
difference_type _N = _STD::distance(__first, __last);
__node* __st = __start_.get();
if (__st)
{
__states.push_back(__state());
__states.back().__do_ = __state::__consume_input;
__states.push_back(__state());
__states.back().__do_ = 0;
__states.back().__first_ = __first;
__states.back().__current_ = __first;
__states.back().__last_ = __last;
__states.back().__loop_data_.resize(__loop_count());
__states.back().__node_ = __st;
__states.back().__flags_ = __flags;
_BidirectionalIterator __current = __first;
do
{
__state& __s = __states.back();
if (__s.__node_)
__s.__node_->__exec(__s);
switch (__s.__do_)
{
case __state::__end_state:
__highest_j = _STD::max(__highest_j, __j);
if (__highest_j == _N)
__states.clear();
else
__states.pop_back();
break;
case __state::__consume_input:
if (__j == _N)
return false;
++__current;
if (++__j != _N && __states.size() > 1)
__states.push_front(_STD::move(__s));
__states.pop_back();
break;
case __state::__accept_and_consume:
// needs to be changed for the case that this state
// consumed more than one character. This will scan
// down the deque and insert extra __consume_input
// states as necessary
__states.push_front(_STD::move(__s));
__states.pop_back();
break;
case __state::__repeat:
case __state::__accept_but_not_consume:
break;
case __state::__split:
{
__state __snext = __s;
__s.__node_->__exec_split(true, __s);
__snext.__node_->__exec_split(false, __snext);
__states.push_back(_STD::move(__snext));
}
break;
case __state::__reject:
__states.pop_back();
break;
default:
throw regex_error(regex_constants::error_temp);
break;
}
} while (!__states.empty());
if (__highest_j != 0)
{
__m.__matches_[0].first = __first;
__m.__matches_[0].second = _STD::next(__first, __highest_j);
__m.__matches_[0].matched = true;
return true;
}
}
return false;
}
template <class _CharT, class _Traits>
template <class _BidirectionalIterator, class _Allocator>
bool
basic_regex<_CharT, _Traits>::__match_at_start_posix_subs(
_BidirectionalIterator __first, _BidirectionalIterator __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
vector<size_t>& __lc,
regex_constants::match_flag_type __flags) const
{
typedef typename iterator_traits<_BidirectionalIterator>::difference_type difference_type;
vector<__state> __states;
vector<_BidirectionalIterator> __current_stack;
vector<sub_match<_BidirectionalIterator> > __saved_matches;
__state __best_state;
difference_type __j = 0;
difference_type __highest_j = 0;
difference_type _N = _STD::distance(__first, __last);
__node* __st = __start_.get();
if (__st)
{
__states.push_back(__state());
__states.back().__do_ = 0;
__states.back().__first_ = __first;
__states.back().__current_ = __first;
__states.back().__last_ = __last;
__states.back().__sub_matches_.resize(mark_count());
__states.back().__loop_data_.resize(__loop_count());
__states.back().__node_ = __st;
__states.back().__flags_ = __flags;
_BidirectionalIterator __current = __first;
bool __matched = false;
do
{
__state& __s = __states.back();
if (__s.__node_)
__s.__node_->__exec(__s);
switch (__s.__do_)
{
case __state::__end_state:
if (__j == 0 || __highest_j < __j)
{
__matched = true;
__highest_j = __j;
__best_state = __s;
if (__highest_j == _N || __highest_j == 0)
__states.clear();
else
__states.pop_back();
}
break;
case __state::__accept_and_consume:
// needs to be changed for the case that this state
// consumed more than one character. This will adjust
// __current based on __s.__current_
if (__current != __last)
{
++__current;
++__j;
}
break;
case __state::__repeat:
case __state::__accept_but_not_consume:
break;
case __state::__split:
{
__state __snext = __s;
__s.__node_->__exec_split(true, __s);
__snext.__node_->__exec_split(false, __snext);
__states.push_back(_STD::move(__snext));
}
break;
case __state::__reject:
__states.pop_back();
break;
default:
throw regex_error(regex_constants::error_temp);
break;
}
} while (!__states.empty());
if (__matched)
{
__m.__matches_[0].first = __first;
__m.__matches_[0].second = _STD::next(__first, __highest_j);
__m.__matches_[0].matched = true;
for (unsigned __i = 0; __i < __best_state.__sub_matches_.size(); ++__i)
__m.__matches_[__i+1] = __best_state.__sub_matches_[__i];
return true;
}
}
return false;
}
template <class _CharT, class _Traits>
template <class _BidirectionalIterator, class _Allocator>
bool
basic_regex<_CharT, _Traits>::__match_at_start(
_BidirectionalIterator __first, _BidirectionalIterator __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
vector<size_t>& __lc,
regex_constants::match_flag_type __flags) const
{
if (__flags_ & ECMAScript)
return __match_at_start_ecma(__first, __last, __m, __flags);
if (mark_count() == 0)
return __match_at_start_posix_nosubs(__first, __last, __m, __lc, __flags);
return __match_at_start_posix_subs(__first, __last, __m, __lc, __flags);
}
template <class _CharT, class _Traits>
template <class _BidirectionalIterator, class _Allocator>
bool
basic_regex<_CharT, _Traits>::__search(
_BidirectionalIterator __first, _BidirectionalIterator __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
regex_constants::match_flag_type __flags) const
{
if (__left_anchor_)
__flags |= regex_constants::match_continuous;
__m.__init(1 + mark_count(), __first, __last);
vector<size_t> __lc(__loop_count());
if (__match_at_start(__first, __last, __m, __lc, __flags))
{
__m.__prefix_.second = __m[0].first;
__m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second;
__m.__suffix_.first = __m[0].second;
__m.__suffix_.matched = __m.__suffix_.first != __m.__suffix_.second;
return true;
}
if (!(__flags & regex_constants::match_continuous))
{
__m.__matches_.assign(__m.size(), __m.__unmatched_);
for (++__first; __first != __last; ++__first)
{
if (__match_at_start(__first, __last, __m, __lc, __flags))
{
__m.__prefix_.second = __m[0].first;
__m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second;
__m.__suffix_.first = __m[0].second;
__m.__suffix_.matched = __m.__suffix_.first != __m.__suffix_.second;
return true;
}
__m.__matches_.assign(__m.size(), __m.__unmatched_);
}
}
__m.__matches_.clear();
return false;
}
template <class _BidirectionalIterator, class _Allocator, class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_search(_BidirectionalIterator __first, _BidirectionalIterator __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
return __e.__search(__first, __last, __m, __flags);
}
template <class _BidirectionalIterator, class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_search(_BidirectionalIterator __first, _BidirectionalIterator __last,
const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
match_results<_BidirectionalIterator> __m;
return _STD::regex_search(__first, __last, __m, __e, __flags);
}
template <class _CharT, class _Allocator, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_search(const _CharT* __str, match_results<const _CharT*, _Allocator>& __m,
const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
return _STD::regex_search(__str, __str + _Traits::length(__str), __m, __e, __flags);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_search(const _CharT* __str, const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
return _STD::regex_search(__str, __str + _Traits::length(__str), __e, __flags);
}
template <class _ST, class _SA, class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_search(const basic_string<_CharT, _ST, _SA>& __s,
const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
return _STD::regex_search(__s.begin(), __s.end(), __e, __flags);
}
template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_search(const basic_string<_CharT, _ST, _SA>& __s,
match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m,
const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
return _STD::regex_search(__s.begin(), __s.end(), __m, __e, __flags);
}
// regex_match
template <class _BidirectionalIterator, class _Allocator, class _CharT, class _Traits>
bool
regex_match(_BidirectionalIterator __first, _BidirectionalIterator __last,
match_results<_BidirectionalIterator, _Allocator>& __m,
const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
bool __r = _STD::regex_search(__first, __last, __m, __e,
__flags | regex_constants::match_continuous);
if (__r)
{
__r = !__m.suffix().matched;
if (!__r)
__m.__matches_.clear();
}
return __r;
}
template <class _BidirectionalIterator, class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_match(_BidirectionalIterator __first, _BidirectionalIterator __last,
const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
match_results<_BidirectionalIterator> __m;
return _STD::regex_match(__first, __last, __m, __e, __flags);
}
template <class _CharT, class _Allocator, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_match(const _CharT* __str, match_results<const _CharT*, _Allocator>& __m,
const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
return _STD::regex_match(__str, __str + _Traits::length(__str), __m, __e, __flags);
}
template <class _ST, class _SA, class _Allocator, class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_match(const basic_string<_CharT, _ST, _SA>& __s,
match_results<typename basic_string<_CharT, _ST, _SA>::const_iterator, _Allocator>& __m,
const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
return _STD::regex_match(__s.begin(), __s.end(), __m, __e, __flags);
}
template <class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_match(const _CharT* __str, const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
return _STD::regex_match(__str, __str + _Traits::length(__str), __e, __flags);
}
template <class _ST, class _SA, class _CharT, class _Traits>
inline _LIBCPP_INLINE_VISIBILITY
bool
regex_match(const basic_string<_CharT, _ST, _SA>& __s,
const basic_regex<_CharT, _Traits>& __e,
regex_constants::match_flag_type __flags = regex_constants::match_default)
{
return _STD::regex_match(__s.begin(), __s.end(), __e, __flags);
}
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_REGEX
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