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+/*
+ *
+ * Copyright (c) 2003
+ * 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 regex_token_iterator.hpp
+ * VERSION see <cutl/details/boost/version.hpp>
+ * DESCRIPTION: Provides regex_token_iterator implementation.
+ */
+
+#ifndef BOOST_REGEX_V4_REGEX_TOKEN_ITERATOR_HPP
+#define BOOST_REGEX_V4_REGEX_TOKEN_ITERATOR_HPP
+
+#include <cutl/details/boost/shared_ptr.hpp>
+#include <cutl/details/boost/detail/workaround.hpp>
+#if (BOOST_WORKAROUND(__BORLANDC__, >= 0x560) && BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x570)))\
+ || BOOST_WORKAROUND(BOOST_MSVC, < 1300) \
+ || BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003))
+//
+// Borland C++ Builder 6, and Visual C++ 6,
+// can't cope with the array template constructor
+// so we have a template member that will accept any type as
+// argument, and then assert that is really is an array:
+//
+#include <cutl/details/boost/static_assert.hpp>
+#include <cutl/details/boost/type_traits/is_array.hpp>
+#endif
+
+namespace cutl_details_boost{
+
+#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
+#if BOOST_WORKAROUND(BOOST_MSVC, > 1300)
+# pragma warning(push)
+# pragma warning(disable:4700)
+#endif
+
+template <class BidirectionalIterator,
+ class charT,
+ class traits>
+class regex_token_iterator_implementation
+{
+ typedef basic_regex<charT, traits> regex_type;
+ typedef sub_match<BidirectionalIterator> value_type;
+
+ match_results<BidirectionalIterator> what; // current match
+ BidirectionalIterator base; // start of search area
+ BidirectionalIterator end; // end of search area
+ const regex_type re; // the expression
+ match_flag_type flags; // match flags
+ value_type result; // the current string result
+ int N; // the current sub-expression being enumerated
+ std::vector<int> subs; // the sub-expressions to enumerate
+
+public:
+ regex_token_iterator_implementation(const regex_type* p, BidirectionalIterator last, int sub, match_flag_type f)
+ : end(last), re(*p), flags(f){ subs.push_back(sub); }
+ regex_token_iterator_implementation(const regex_type* p, BidirectionalIterator last, const std::vector<int>& v, match_flag_type f)
+ : end(last), re(*p), flags(f), subs(v){}
+#if !BOOST_WORKAROUND(__HP_aCC, < 60700)
+#if (BOOST_WORKAROUND(__BORLANDC__, >= 0x560) && BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x570)))\
+ || BOOST_WORKAROUND(BOOST_MSVC, < 1300) \
+ || BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003)) \
+ || BOOST_WORKAROUND(__HP_aCC, < 60700)
+ template <class T>
+ regex_token_iterator_implementation(const regex_type* p, BidirectionalIterator last, const T& submatches, match_flag_type f)
+ : end(last), re(*p), flags(f)
+ {
+ // assert that T really is an array:
+ BOOST_STATIC_ASSERT(::cutl_details_boost::is_array<T>::value);
+ const std::size_t array_size = sizeof(T) / sizeof(submatches[0]);
+ for(std::size_t i = 0; i < array_size; ++i)
+ {
+ subs.push_back(submatches[i]);
+ }
+ }
+#else
+ template <std::size_t CN>
+ regex_token_iterator_implementation(const regex_type* p, BidirectionalIterator last, const int (&submatches)[CN], match_flag_type f)
+ : end(last), re(*p), flags(f)
+ {
+ for(std::size_t i = 0; i < CN; ++i)
+ {
+ subs.push_back(submatches[i]);
+ }
+ }
+#endif
+#endif
+ bool init(BidirectionalIterator first)
+ {
+ N = 0;
+ base = first;
+ if(regex_search(first, end, what, re, flags, base) == true)
+ {
+ N = 0;
+ result = ((subs[N] == -1) ? what.prefix() : what[(int)subs[N]]);
+ return true;
+ }
+ else if((subs[N] == -1) && (first != end))
+ {
+ result.first = first;
+ result.second = end;
+ result.matched = (first != end);
+ N = -1;
+ return true;
+ }
+ return false;
+ }
+ bool compare(const regex_token_iterator_implementation& that)
+ {
+ if(this == &that) return true;
+ return (&re.get_data() == &that.re.get_data())
+ && (end == that.end)
+ && (flags == that.flags)
+ && (N == that.N)
+ && (what[0].first == that.what[0].first)
+ && (what[0].second == that.what[0].second);
+ }
+ const value_type& get()
+ { return result; }
+ bool next()
+ {
+ if(N == -1)
+ return false;
+ if(N+1 < (int)subs.size())
+ {
+ ++N;
+ result =((subs[N] == -1) ? what.prefix() : what[subs[N]]);
+ return true;
+ }
+ //if(what.prefix().first != what[0].second)
+ // flags |= /*match_prev_avail |*/ regex_constants::match_not_bob;
+ BidirectionalIterator last_end(what[0].second);
+ if(regex_search(last_end, end, what, re, ((what[0].first == what[0].second) ? flags | regex_constants::match_not_initial_null : flags), base))
+ {
+ N =0;
+ result =((subs[N] == -1) ? what.prefix() : what[subs[N]]);
+ return true;
+ }
+ else if((last_end != end) && (subs[0] == -1))
+ {
+ N =-1;
+ result.first = last_end;
+ result.second = end;
+ result.matched = (last_end != end);
+ return true;
+ }
+ return false;
+ }
+private:
+ regex_token_iterator_implementation& operator=(const regex_token_iterator_implementation&);
+};
+
+template <class BidirectionalIterator,
+ class charT = BOOST_DEDUCED_TYPENAME re_detail::regex_iterator_traits<BidirectionalIterator>::value_type,
+ class traits = regex_traits<charT> >
+class regex_token_iterator
+#ifndef BOOST_NO_STD_ITERATOR
+ : public std::iterator<
+ std::forward_iterator_tag,
+ sub_match<BidirectionalIterator>,
+ typename re_detail::regex_iterator_traits<BidirectionalIterator>::difference_type,
+ const sub_match<BidirectionalIterator>*,
+ const sub_match<BidirectionalIterator>& >
+#endif
+{
+private:
+ typedef regex_token_iterator_implementation<BidirectionalIterator, charT, traits> impl;
+ typedef shared_ptr<impl> pimpl;
+public:
+ typedef basic_regex<charT, traits> regex_type;
+ typedef sub_match<BidirectionalIterator> value_type;
+ typedef typename re_detail::regex_iterator_traits<BidirectionalIterator>::difference_type
+ difference_type;
+ typedef const value_type* pointer;
+ typedef const value_type& reference;
+ typedef std::forward_iterator_tag iterator_category;
+
+ regex_token_iterator(){}
+ regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, const regex_type& re,
+ int submatch = 0, match_flag_type m = match_default)
+ : pdata(new impl(&re, b, submatch, m))
+ {
+ if(!pdata->init(a))
+ pdata.reset();
+ }
+ regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, const regex_type& re,
+ const std::vector<int>& submatches, match_flag_type m = match_default)
+ : pdata(new impl(&re, b, submatches, m))
+ {
+ if(!pdata->init(a))
+ pdata.reset();
+ }
+#if !BOOST_WORKAROUND(__HP_aCC, < 60700)
+#if (BOOST_WORKAROUND(__BORLANDC__, >= 0x560) && BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x570)))\
+ || BOOST_WORKAROUND(BOOST_MSVC, < 1300) \
+ || BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003)) \
+ || BOOST_WORKAROUND(__HP_aCC, < 60700)
+ template <class T>
+ regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, const regex_type& re,
+ const T& submatches, match_flag_type m = match_default)
+ : pdata(new impl(&re, b, submatches, m))
+ {
+ if(!pdata->init(a))
+ pdata.reset();
+ }
+#else
+ template <std::size_t N>
+ regex_token_iterator(BidirectionalIterator a, BidirectionalIterator b, const regex_type& re,
+ const int (&submatches)[N], match_flag_type m = match_default)
+ : pdata(new impl(&re, b, submatches, m))
+ {
+ if(!pdata->init(a))
+ pdata.reset();
+ }
+#endif
+#endif
+ regex_token_iterator(const regex_token_iterator& that)
+ : pdata(that.pdata) {}
+ regex_token_iterator& operator=(const regex_token_iterator& that)
+ {
+ pdata = that.pdata;
+ return *this;
+ }
+ bool operator==(const regex_token_iterator& that)const
+ {
+ if((pdata.get() == 0) || (that.pdata.get() == 0))
+ return pdata.get() == that.pdata.get();
+ return pdata->compare(*(that.pdata.get()));
+ }
+ bool operator!=(const regex_token_iterator& that)const
+ { return !(*this == that); }
+ const value_type& operator*()const
+ { return pdata->get(); }
+ const value_type* operator->()const
+ { return &(pdata->get()); }
+ regex_token_iterator& operator++()
+ {
+ cow();
+ if(0 == pdata->next())
+ {
+ pdata.reset();
+ }
+ return *this;
+ }
+ regex_token_iterator operator++(int)
+ {
+ regex_token_iterator result(*this);
+ ++(*this);
+ return result;
+ }
+private:
+
+ pimpl pdata;
+
+ void cow()
+ {
+ // copy-on-write
+ if(pdata.get() && !pdata.unique())
+ {
+ pdata.reset(new impl(*(pdata.get())));
+ }
+ }
+};
+
+typedef regex_token_iterator<const char*> cregex_token_iterator;
+typedef regex_token_iterator<std::string::const_iterator> sregex_token_iterator;
+#ifndef BOOST_NO_WREGEX
+typedef regex_token_iterator<const wchar_t*> wcregex_token_iterator;
+typedef regex_token_iterator<std::wstring::const_iterator> wsregex_token_iterator;
+#endif
+
+template <class charT, class traits>
+inline regex_token_iterator<const charT*, charT, traits> make_regex_token_iterator(const charT* p, const basic_regex<charT, traits>& e, int submatch = 0, regex_constants::match_flag_type m = regex_constants::match_default)
+{
+ return regex_token_iterator<const charT*, charT, traits>(p, p+traits::length(p), e, submatch, m);
+}
+template <class charT, class traits, class ST, class SA>
+inline regex_token_iterator<typename std::basic_string<charT, ST, SA>::const_iterator, charT, traits> make_regex_token_iterator(const std::basic_string<charT, ST, SA>& p, const basic_regex<charT, traits>& e, int submatch = 0, regex_constants::match_flag_type m = regex_constants::match_default)
+{
+ return regex_token_iterator<typename std::basic_string<charT, ST, SA>::const_iterator, charT, traits>(p.begin(), p.end(), e, submatch, m);
+}
+#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+template <class charT, class traits, std::size_t N>
+inline regex_token_iterator<const charT*, charT, traits> make_regex_token_iterator(const charT* p, const basic_regex<charT, traits>& e, const int (&submatch)[N], regex_constants::match_flag_type m = regex_constants::match_default)
+{
+ return regex_token_iterator<const charT*, charT, traits>(p, p+traits::length(p), e, submatch, m);
+}
+template <class charT, class traits, class ST, class SA, std::size_t N>
+inline regex_token_iterator<typename std::basic_string<charT, ST, SA>::const_iterator, charT, traits> make_regex_token_iterator(const std::basic_string<charT, ST, SA>& p, const basic_regex<charT, traits>& e, const int (&submatch)[N], regex_constants::match_flag_type m = regex_constants::match_default)
+{
+ return regex_token_iterator<typename std::basic_string<charT, ST, SA>::const_iterator, charT, traits>(p.begin(), p.end(), e, submatch, m);
+}
+#endif
+template <class charT, class traits>
+inline regex_token_iterator<const charT*, charT, traits> make_regex_token_iterator(const charT* p, const basic_regex<charT, traits>& e, const std::vector<int>& submatch, regex_constants::match_flag_type m = regex_constants::match_default)
+{
+ return regex_token_iterator<const charT*, charT, traits>(p, p+traits::length(p), e, submatch, m);
+}
+template <class charT, class traits, class ST, class SA>
+inline regex_token_iterator<typename std::basic_string<charT, ST, SA>::const_iterator, charT, traits> make_regex_token_iterator(const std::basic_string<charT, ST, SA>& p, const basic_regex<charT, traits>& e, const std::vector<int>& submatch, regex_constants::match_flag_type m = regex_constants::match_default)
+{
+ return regex_token_iterator<typename std::basic_string<charT, ST, SA>::const_iterator, charT, traits>(p.begin(), p.end(), e, submatch, m);
+}
+
+#if BOOST_WORKAROUND(BOOST_MSVC, > 1300)
+# pragma warning(pop)
+#endif
+#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
+
+} // namespace cutl_details_boost
+
+#endif // BOOST_REGEX_V4_REGEX_TOKEN_ITERATOR_HPP
+
+
+
+