--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/boostlibrary/boost/regex/v4/regex_iterator.hpp Fri Jun 25 18:11:34 2010 +0800
@@ -0,0 +1,201 @@
+/*
+ *
+ * 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_iterator.hpp
+ * VERSION see <boost/version.hpp>
+ * DESCRIPTION: Provides regex_iterator implementation.
+ */
+
+#ifndef BOOST_REGEX_V4_REGEX_ITERATOR_HPP
+#define BOOST_REGEX_V4_REGEX_ITERATOR_HPP
+
+#include <boost/shared_ptr.hpp>
+
+namespace 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
+
+template <class BidirectionalIterator,
+ class charT,
+ class traits>
+class regex_iterator_implementation
+{
+ typedef basic_regex<charT, traits> regex_type;
+
+ match_results<BidirectionalIterator> what; // current match
+ BidirectionalIterator base; // start of sequence
+ BidirectionalIterator end; // end of sequence
+ const regex_type re; // the expression
+ match_flag_type flags; // flags for matching
+
+public:
+ regex_iterator_implementation(const regex_type* p, BidirectionalIterator last, match_flag_type f)
+ : base(), end(last), re(*p), flags(f){}
+ bool init(BidirectionalIterator first)
+ {
+ base = first;
+ return regex_search(first, end, what, re, flags);
+ }
+ bool compare(const regex_iterator_implementation& that)
+ {
+ if(this == &that) return true;
+ return (&re.get_data() == &that.re.get_data()) && (end == that.end) && (flags == that.flags) && (what[0].first == that.what[0].first) && (what[0].second == that.what[0].second);
+ }
+ const match_results<BidirectionalIterator>& get()
+ { return what; }
+ bool next()
+ {
+ //if(what.prefix().first != what[0].second)
+ // flags |= match_prev_avail;
+ BidirectionalIterator next_start = what[0].second;
+ match_flag_type f(flags);
+ if(!what.length())
+ f |= regex_constants::match_not_initial_null;
+ //if(base != next_start)
+ // f |= regex_constants::match_not_bob;
+ bool result = regex_search(next_start, end, what, re, f, base);
+ if(result)
+ what.set_base(base);
+ return result;
+ }
+private:
+ regex_iterator_implementation& operator=(const regex_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_iterator
+#ifndef BOOST_NO_STD_ITERATOR
+ : public std::iterator<
+ std::forward_iterator_tag,
+ match_results<BidirectionalIterator>,
+ typename re_detail::regex_iterator_traits<BidirectionalIterator>::difference_type,
+ const match_results<BidirectionalIterator>*,
+ const match_results<BidirectionalIterator>& >
+#endif
+{
+private:
+ typedef regex_iterator_implementation<BidirectionalIterator, charT, traits> impl;
+ typedef shared_ptr<impl> pimpl;
+public:
+ typedef basic_regex<charT, traits> regex_type;
+ typedef match_results<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_iterator(){}
+ regex_iterator(BidirectionalIterator a, BidirectionalIterator b,
+ const regex_type& re,
+ match_flag_type m = match_default)
+ : pdata(new impl(&re, b, m))
+ {
+ if(!pdata->init(a))
+ {
+ pdata.reset();
+ }
+ }
+ regex_iterator(const regex_iterator& that)
+ : pdata(that.pdata) {}
+ regex_iterator& operator=(const regex_iterator& that)
+ {
+ pdata = that.pdata;
+ return *this;
+ }
+ bool operator==(const regex_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_iterator& that)const
+ { return !(*this == that); }
+ const value_type& operator*()const
+ { return pdata->get(); }
+ const value_type* operator->()const
+ { return &(pdata->get()); }
+ regex_iterator& operator++()
+ {
+ cow();
+ if(0 == pdata->next())
+ {
+ pdata.reset();
+ }
+ return *this;
+ }
+ regex_iterator operator++(int)
+ {
+ regex_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_iterator<const char*> cregex_iterator;
+typedef regex_iterator<std::string::const_iterator> sregex_iterator;
+#ifndef BOOST_NO_WREGEX
+typedef regex_iterator<const wchar_t*> wcregex_iterator;
+typedef regex_iterator<std::wstring::const_iterator> wsregex_iterator;
+#endif
+
+// make_regex_iterator:
+template <class charT, class traits>
+inline regex_iterator<const charT*, charT, traits> make_regex_iterator(const charT* p, const basic_regex<charT, traits>& e, regex_constants::match_flag_type m = regex_constants::match_default)
+{
+ return regex_iterator<const charT*, charT, traits>(p, p+traits::length(p), e, m);
+}
+template <class charT, class traits, class ST, class SA>
+inline regex_iterator<typename std::basic_string<charT, ST, SA>::const_iterator, charT, traits> make_regex_iterator(const std::basic_string<charT, ST, SA>& p, const basic_regex<charT, traits>& e, regex_constants::match_flag_type m = regex_constants::match_default)
+{
+ return regex_iterator<typename std::basic_string<charT, ST, SA>::const_iterator, charT, traits>(p.begin(), p.end(), e, m);
+}
+
+#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 boost
+
+#endif // BOOST_REGEX_V4_REGEX_ITERATOR_HPP
+