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WSJT-X/boost/regex/v4/sub_match.hpp
Bill Somerville 4ebe6417a5 Squashed 'boost/' content from commit b4feb19f2 
git-subtree-dir: boost
git-subtree-split: b4feb19f287ee92d87a9624b5d36b7cf46aeadeb
2018-06-09 21:48:32 +01:00

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/*
*
* Copyright (c) 1998-2002
* John Maddock
*
* Use, modification and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
*/
/*
* LOCATION: see http://www.boost.org for most recent version.
* FILE sub_match.cpp
* VERSION see <boost/version.hpp>
* DESCRIPTION: Declares template class sub_match.
*/
#ifndef BOOST_REGEX_V4_SUB_MATCH_HPP
#define BOOST_REGEX_V4_SUB_MATCH_HPP
#ifdef BOOST_MSVC
#pragma warning(push)
#pragma warning(disable: 4103)
#endif
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_PREFIX
#endif
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
namespace boost{
template <class BidiIterator>
struct sub_match : public std::pair<BidiIterator, BidiIterator>
{
typedef typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<BidiIterator>::value_type value_type;
#if defined(BOOST_NO_STD_ITERATOR_TRAITS)
typedef std::ptrdiff_t difference_type;
#else
typedef typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<BidiIterator>::difference_type difference_type;
#endif
typedef BidiIterator iterator_type;
typedef BidiIterator iterator;
typedef BidiIterator const_iterator;
bool matched;
sub_match() : std::pair<BidiIterator, BidiIterator>(), matched(false) {}
sub_match(BidiIterator i) : std::pair<BidiIterator, BidiIterator>(i, i), matched(false) {}
#if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)\
&& !BOOST_WORKAROUND(__BORLANDC__, <= 0x0551)\
&& !BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042))
template <class T, class A>
operator std::basic_string<value_type, T, A> ()const
{
return matched ? std::basic_string<value_type, T, A>(this->first, this->second) : std::basic_string<value_type, T, A>();
}
#else
operator std::basic_string<value_type> ()const
{
return str();
}
#endif
difference_type BOOST_REGEX_CALL length()const
{
difference_type n = matched ? ::boost::BOOST_REGEX_DETAIL_NS::distance((BidiIterator)this->first, (BidiIterator)this->second) : 0;
return n;
}
std::basic_string<value_type> str()const
{
std::basic_string<value_type> result;
if(matched)
{
std::size_t len = ::boost::BOOST_REGEX_DETAIL_NS::distance((BidiIterator)this->first, (BidiIterator)this->second);
result.reserve(len);
BidiIterator i = this->first;
while(i != this->second)
{
result.append(1, *i);
++i;
}
}
return result;
}
int compare(const sub_match& s)const
{
if(matched != s.matched)
return static_cast<int>(matched) - static_cast<int>(s.matched);
return str().compare(s.str());
}
int compare(const std::basic_string<value_type>& s)const
{
return str().compare(s);
}
int compare(const value_type* p)const
{
return str().compare(p);
}
bool operator==(const sub_match& that)const
{ return compare(that) == 0; }
bool BOOST_REGEX_CALL operator !=(const sub_match& that)const
{ return compare(that) != 0; }
bool operator<(const sub_match& that)const
{ return compare(that) < 0; }
bool operator>(const sub_match& that)const
{ return compare(that) > 0; }
bool operator<=(const sub_match& that)const
{ return compare(that) <= 0; }
bool operator>=(const sub_match& that)const
{ return compare(that) >= 0; }
#ifdef BOOST_REGEX_MATCH_EXTRA
typedef std::vector<sub_match<BidiIterator> > capture_sequence_type;
const capture_sequence_type& captures()const
{
if(!m_captures)
m_captures.reset(new capture_sequence_type());
return *m_captures;
}
//
// Private implementation API: DO NOT USE!
//
capture_sequence_type& get_captures()const
{
if(!m_captures)
m_captures.reset(new capture_sequence_type());
return *m_captures;
}
private:
mutable boost::scoped_ptr<capture_sequence_type> m_captures;
public:
#endif
sub_match(const sub_match& that, bool
#ifdef BOOST_REGEX_MATCH_EXTRA
deep_copy
#endif
= true
)
: std::pair<BidiIterator, BidiIterator>(that),
matched(that.matched)
{
#ifdef BOOST_REGEX_MATCH_EXTRA
if(that.m_captures)
if(deep_copy)
m_captures.reset(new capture_sequence_type(*(that.m_captures)));
#endif
}
sub_match& operator=(const sub_match& that)
{
this->first = that.first;
this->second = that.second;
matched = that.matched;
#ifdef BOOST_REGEX_MATCH_EXTRA
if(that.m_captures)
get_captures() = *(that.m_captures);
#endif
return *this;
}
//
// Make this type a range, for both Boost.Range, and C++11:
//
BidiIterator begin()const { return this->first; }
BidiIterator end()const { return this->second; }
#ifdef BOOST_OLD_REGEX_H
//
// the following are deprecated, do not use!!
//
operator int()const;
operator unsigned int()const;
operator short()const
{
return (short)(int)(*this);
}
operator unsigned short()const
{
return (unsigned short)(unsigned int)(*this);
}
#endif
};
typedef sub_match<const char*> csub_match;
typedef sub_match<std::string::const_iterator> ssub_match;
#ifndef BOOST_NO_WREGEX
typedef sub_match<const wchar_t*> wcsub_match;
typedef sub_match<std::wstring::const_iterator> wssub_match;
#endif
// comparison to std::basic_string<> part 1:
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator == (const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s,
const sub_match<RandomAccessIterator>& m)
{ return s.compare(m.str()) == 0; }
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator != (const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s,
const sub_match<RandomAccessIterator>& m)
{ return s.compare(m.str()) != 0; }
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator < (const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s,
const sub_match<RandomAccessIterator>& m)
{ return s.compare(m.str()) < 0; }
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator <= (const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s,
const sub_match<RandomAccessIterator>& m)
{ return s.compare(m.str()) <= 0; }
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator >= (const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s,
const sub_match<RandomAccessIterator>& m)
{ return s.compare(m.str()) >= 0; }
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator > (const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s,
const sub_match<RandomAccessIterator>& m)
{ return s.compare(m.str()) > 0; }
// comparison to std::basic_string<> part 2:
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator == (const sub_match<RandomAccessIterator>& m,
const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s)
{ return m.str().compare(s) == 0; }
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator != (const sub_match<RandomAccessIterator>& m,
const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s)
{ return m.str().compare(s) != 0; }
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator < (const sub_match<RandomAccessIterator>& m,
const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s)
{ return m.str().compare(s) < 0; }
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator > (const sub_match<RandomAccessIterator>& m,
const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s)
{ return m.str().compare(s) > 0; }
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator <= (const sub_match<RandomAccessIterator>& m,
const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s)
{ return m.str().compare(s) <= 0; }
template <class RandomAccessIterator, class traits, class Allocator>
inline bool operator >= (const sub_match<RandomAccessIterator>& m,
const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s)
{ return m.str().compare(s) >= 0; }
// comparison to const charT* part 1:
template <class RandomAccessIterator>
inline bool operator == (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s)
{ return m.str().compare(s) == 0; }
template <class RandomAccessIterator>
inline bool operator != (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s)
{ return m.str().compare(s) != 0; }
template <class RandomAccessIterator>
inline bool operator > (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s)
{ return m.str().compare(s) > 0; }
template <class RandomAccessIterator>
inline bool operator < (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s)
{ return m.str().compare(s) < 0; }
template <class RandomAccessIterator>
inline bool operator >= (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s)
{ return m.str().compare(s) >= 0; }
template <class RandomAccessIterator>
inline bool operator <= (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s)
{ return m.str().compare(s) <= 0; }
// comparison to const charT* part 2:
template <class RandomAccessIterator>
inline bool operator == (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) == 0; }
template <class RandomAccessIterator>
inline bool operator != (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) != 0; }
template <class RandomAccessIterator>
inline bool operator < (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) > 0; }
template <class RandomAccessIterator>
inline bool operator > (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) < 0; }
template <class RandomAccessIterator>
inline bool operator <= (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) >= 0; }
template <class RandomAccessIterator>
inline bool operator >= (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) <= 0; }
// comparison to const charT& part 1:
template <class RandomAccessIterator>
inline bool operator == (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) == 0; }
template <class RandomAccessIterator>
inline bool operator != (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) != 0; }
template <class RandomAccessIterator>
inline bool operator > (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) > 0; }
template <class RandomAccessIterator>
inline bool operator < (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) < 0; }
template <class RandomAccessIterator>
inline bool operator >= (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) >= 0; }
template <class RandomAccessIterator>
inline bool operator <= (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) <= 0; }
// comparison to const charT* part 2:
template <class RandomAccessIterator>
inline bool operator == (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) == 0; }
template <class RandomAccessIterator>
inline bool operator != (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) != 0; }
template <class RandomAccessIterator>
inline bool operator < (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) > 0; }
template <class RandomAccessIterator>
inline bool operator > (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) < 0; }
template <class RandomAccessIterator>
inline bool operator <= (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) >= 0; }
template <class RandomAccessIterator>
inline bool operator >= (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) <= 0; }
// addition operators:
template <class RandomAccessIterator, class traits, class Allocator>
inline std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>
operator + (const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s,
const sub_match<RandomAccessIterator>& m)
{
std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator> result;
result.reserve(s.size() + m.length() + 1);
return result.append(s).append(m.first, m.second);
}
template <class RandomAccessIterator, class traits, class Allocator>
inline std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>
operator + (const sub_match<RandomAccessIterator>& m,
const std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s)
{
std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator> result;
result.reserve(s.size() + m.length() + 1);
return result.append(m.first, m.second).append(s);
}
#if !(defined(__GNUC__) && defined(BOOST_NO_STD_LOCALE))
template <class RandomAccessIterator>
inline std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type>
operator + (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
const sub_match<RandomAccessIterator>& m)
{
std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type> result;
result.reserve(std::char_traits<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type>::length(s) + m.length() + 1);
return result.append(s).append(m.first, m.second);
}
template <class RandomAccessIterator>
inline std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type>
operator + (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const * s)
{
std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type> result;
result.reserve(std::char_traits<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type>::length(s) + m.length() + 1);
return result.append(m.first, m.second).append(s);
}
#else
// worwaround versions:
template <class RandomAccessIterator>
inline std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type>
operator + (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
const sub_match<RandomAccessIterator>& m)
{
return s + m.str();
}
template <class RandomAccessIterator>
inline std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type>
operator + (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const * s)
{
return m.str() + s;
}
#endif
template <class RandomAccessIterator>
inline std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type>
operator + (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
const sub_match<RandomAccessIterator>& m)
{
std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type> result;
result.reserve(m.length() + 2);
return result.append(1, s).append(m.first, m.second);
}
template <class RandomAccessIterator>
inline std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type>
operator + (const sub_match<RandomAccessIterator>& m,
typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{
std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type> result;
result.reserve(m.length() + 2);
return result.append(m.first, m.second).append(1, s);
}
template <class RandomAccessIterator>
inline std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type>
operator + (const sub_match<RandomAccessIterator>& m1,
const sub_match<RandomAccessIterator>& m2)
{
std::basic_string<typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits<RandomAccessIterator>::value_type> result;
result.reserve(m1.length() + m2.length() + 1);
return result.append(m1.first, m1.second).append(m2.first, m2.second);
}
#ifndef BOOST_NO_STD_LOCALE
template <class charT, class traits, class RandomAccessIterator>
std::basic_ostream<charT, traits>&
operator << (std::basic_ostream<charT, traits>& os,
const sub_match<RandomAccessIterator>& s)
{
return (os << s.str());
}
#else
template <class RandomAccessIterator>
std::ostream& operator << (std::ostream& os,
const sub_match<RandomAccessIterator>& s)
{
return (os << s.str());
}
#endif
#ifdef BOOST_OLD_REGEX_H
namespace BOOST_REGEX_DETAIL_NS{
template <class BidiIterator, class charT>
int do_toi(BidiIterator i, BidiIterator j, char c, int radix)
{
std::string s(i, j);
char* p;
int result = std::strtol(s.c_str(), &p, radix);
if(*p)raise_regex_exception("Bad sub-expression");
return result;
}
//
// helper:
template <class I, class charT>
int do_toi(I& i, I j, charT c)
{
int result = 0;
while((i != j) && (isdigit(*i)))
{
result = result*10 + (*i - '0');
++i;
}
return result;
}
}
template <class BidiIterator>
sub_match<BidiIterator>::operator int()const
{
BidiIterator i = first;
BidiIterator j = second;
if(i == j)raise_regex_exception("Bad sub-expression");
int neg = 1;
if((i != j) && (*i == '-'))
{
neg = -1;
++i;
}
neg *= BOOST_REGEX_DETAIL_NS::do_toi(i, j, *i);
if(i != j)raise_regex_exception("Bad sub-expression");
return neg;
}
template <class BidiIterator>
sub_match<BidiIterator>::operator unsigned int()const
{
BidiIterator i = first;
BidiIterator j = second;
if(i == j)
raise_regex_exception("Bad sub-expression");
return BOOST_REGEX_DETAIL_NS::do_toi(i, j, *first);
}
#endif
} // namespace boost
#ifdef BOOST_MSVC
#pragma warning(push)
#pragma warning(disable: 4103)
#endif
#ifdef BOOST_HAS_ABI_HEADERS
# include BOOST_ABI_SUFFIX
#endif
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
#endif
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