/* * * 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 * 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 struct sub_match : public std::pair { typedef typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::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::difference_type difference_type; #endif typedef BidiIterator iterator_type; typedef BidiIterator iterator; typedef BidiIterator const_iterator; bool matched; sub_match() : std::pair(), matched(false) {} sub_match(BidiIterator i) : std::pair(i, i), matched(false) {} #if !defined(BOOST_NO_TEMPLATED_ITERATOR_CONSTRUCTORS)\ && !BOOST_WORKAROUND(BOOST_BORLANDC, <= 0x0551)\ && !BOOST_WORKAROUND(__DECCXX_VER, BOOST_TESTED_AT(60590042)) template operator std::basic_string ()const { return matched ? std::basic_string(this->first, this->second) : std::basic_string(); } #else operator std::basic_string ()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 str()const { std::basic_string 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(matched) - static_cast(s.matched); return str().compare(s.str()); } int compare(const std::basic_string& 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 > 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 m_captures; public: #endif sub_match(const sub_match& that, bool #ifdef BOOST_REGEX_MATCH_EXTRA deep_copy #endif = true ) : std::pair(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 csub_match; typedef sub_match ssub_match; #ifndef BOOST_NO_WREGEX typedef sub_match wcsub_match; typedef sub_match wssub_match; #endif // comparison to std::basic_string<> part 1: template inline bool operator == (const std::basic_string::value_type, traits, Allocator>& s, const sub_match& m) { return s.compare(m.str()) == 0; } template inline bool operator != (const std::basic_string::value_type, traits, Allocator>& s, const sub_match& m) { return s.compare(m.str()) != 0; } template inline bool operator < (const std::basic_string::value_type, traits, Allocator>& s, const sub_match& m) { return s.compare(m.str()) < 0; } template inline bool operator <= (const std::basic_string::value_type, traits, Allocator>& s, const sub_match& m) { return s.compare(m.str()) <= 0; } template inline bool operator >= (const std::basic_string::value_type, traits, Allocator>& s, const sub_match& m) { return s.compare(m.str()) >= 0; } template inline bool operator > (const std::basic_string::value_type, traits, Allocator>& s, const sub_match& m) { return s.compare(m.str()) > 0; } // comparison to std::basic_string<> part 2: template inline bool operator == (const sub_match& m, const std::basic_string::value_type, traits, Allocator>& s) { return m.str().compare(s) == 0; } template inline bool operator != (const sub_match& m, const std::basic_string::value_type, traits, Allocator>& s) { return m.str().compare(s) != 0; } template inline bool operator < (const sub_match& m, const std::basic_string::value_type, traits, Allocator>& s) { return m.str().compare(s) < 0; } template inline bool operator > (const sub_match& m, const std::basic_string::value_type, traits, Allocator>& s) { return m.str().compare(s) > 0; } template inline bool operator <= (const sub_match& m, const std::basic_string::value_type, traits, Allocator>& s) { return m.str().compare(s) <= 0; } template inline bool operator >= (const sub_match& m, const std::basic_string::value_type, traits, Allocator>& s) { return m.str().compare(s) >= 0; } // comparison to const charT* part 1: template inline bool operator == (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s) { return m.str().compare(s) == 0; } template inline bool operator != (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s) { return m.str().compare(s) != 0; } template inline bool operator > (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s) { return m.str().compare(s) > 0; } template inline bool operator < (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s) { return m.str().compare(s) < 0; } template inline bool operator >= (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s) { return m.str().compare(s) >= 0; } template inline bool operator <= (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s) { return m.str().compare(s) <= 0; } // comparison to const charT* part 2: template inline bool operator == (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s, const sub_match& m) { return m.str().compare(s) == 0; } template inline bool operator != (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s, const sub_match& m) { return m.str().compare(s) != 0; } template inline bool operator < (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s, const sub_match& m) { return m.str().compare(s) > 0; } template inline bool operator > (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s, const sub_match& m) { return m.str().compare(s) < 0; } template inline bool operator <= (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s, const sub_match& m) { return m.str().compare(s) >= 0; } template inline bool operator >= (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s, const sub_match& m) { return m.str().compare(s) <= 0; } // comparison to const charT& part 1: template inline bool operator == (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s) { return m.str().compare(0, m.length(), &s, 1) == 0; } template inline bool operator != (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s) { return m.str().compare(0, m.length(), &s, 1) != 0; } template inline bool operator > (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s) { return m.str().compare(0, m.length(), &s, 1) > 0; } template inline bool operator < (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s) { return m.str().compare(0, m.length(), &s, 1) < 0; } template inline bool operator >= (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s) { return m.str().compare(0, m.length(), &s, 1) >= 0; } template inline bool operator <= (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s) { return m.str().compare(0, m.length(), &s, 1) <= 0; } // comparison to const charT* part 2: template inline bool operator == (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s, const sub_match& m) { return m.str().compare(0, m.length(), &s, 1) == 0; } template inline bool operator != (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s, const sub_match& m) { return m.str().compare(0, m.length(), &s, 1) != 0; } template inline bool operator < (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s, const sub_match& m) { return m.str().compare(0, m.length(), &s, 1) > 0; } template inline bool operator > (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s, const sub_match& m) { return m.str().compare(0, m.length(), &s, 1) < 0; } template inline bool operator <= (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s, const sub_match& m) { return m.str().compare(0, m.length(), &s, 1) >= 0; } template inline bool operator >= (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s, const sub_match& m) { return m.str().compare(0, m.length(), &s, 1) <= 0; } // addition operators: template inline std::basic_string::value_type, traits, Allocator> operator + (const std::basic_string::value_type, traits, Allocator>& s, const sub_match& m) { std::basic_string::value_type, traits, Allocator> result; result.reserve(s.size() + m.length() + 1); return result.append(s).append(m.first, m.second); } template inline std::basic_string::value_type, traits, Allocator> operator + (const sub_match& m, const std::basic_string::value_type, traits, Allocator>& s) { std::basic_string::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 inline std::basic_string::value_type> operator + (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s, const sub_match& m) { std::basic_string::value_type> result; result.reserve(std::char_traits::value_type>::length(s) + m.length() + 1); return result.append(s).append(m.first, m.second); } template inline std::basic_string::value_type> operator + (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const * s) { std::basic_string::value_type> result; result.reserve(std::char_traits::value_type>::length(s) + m.length() + 1); return result.append(m.first, m.second).append(s); } #else // worwaround versions: template inline std::basic_string::value_type> operator + (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const* s, const sub_match& m) { return s + m.str(); } template inline std::basic_string::value_type> operator + (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const * s) { return m.str() + s; } #endif template inline std::basic_string::value_type> operator + (typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s, const sub_match& m) { std::basic_string::value_type> result; result.reserve(m.length() + 2); return result.append(1, s).append(m.first, m.second); } template inline std::basic_string::value_type> operator + (const sub_match& m, typename BOOST_REGEX_DETAIL_NS::regex_iterator_traits::value_type const& s) { std::basic_string::value_type> result; result.reserve(m.length() + 2); return result.append(m.first, m.second).append(1, s); } template inline std::basic_string::value_type> operator + (const sub_match& m1, const sub_match& m2) { std::basic_string::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 std::basic_ostream& operator << (std::basic_ostream& os, const sub_match& s) { return (os << s.str()); } #else template std::ostream& operator << (std::ostream& os, const sub_match& s) { return (os << s.str()); } #endif #ifdef BOOST_OLD_REGEX_H namespace BOOST_REGEX_DETAIL_NS{ template 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 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 sub_match::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 sub_match::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