Added boost header

test/external/boost/xpressive/detail/utility/algorithm.hpp

@@ -0,0 +1,174 @@
+///////////////////////////////////////////////////////////////////////////////
+// algorithm.hpp
+//
+//  Copyright 2008 Eric Niebler. Distributed under 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)
+
+#ifndef BOOST_XPRESSIVE_DETAIL_UTILITY_ALGORITHM_HPP_EAN_10_04_2005
+#define BOOST_XPRESSIVE_DETAIL_UTILITY_ALGORITHM_HPP_EAN_10_04_2005
+
+// MS compatible compilers support #pragma once
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <string>
+#include <climits>
+#include <algorithm>
+#include <boost/version.hpp>
+#include <boost/range/end.hpp>
+#include <boost/range/begin.hpp>
+#include <boost/range/size.hpp>
+#include <boost/range/value_type.hpp>
+#include <boost/type_traits/remove_const.hpp>
+#include <boost/iterator/iterator_traits.hpp>
+#include <boost/xpressive/detail/utility/ignore_unused.hpp>
+
+namespace boost { namespace xpressive { namespace detail
+{
+
+///////////////////////////////////////////////////////////////////////////////
+// any
+//
+template<typename InIter, typename Pred>
+inline bool any(InIter begin, InIter end, Pred pred)
+{
+    return end != std::find_if(begin, end, pred);
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// find_nth_if
+//
+template<typename FwdIter, typename Diff, typename Pred>
+FwdIter find_nth_if(FwdIter begin, FwdIter end, Diff count, Pred pred)
+{
+    for(; begin != end; ++begin)
+    {
+        if(pred(*begin) && 0 == count--)
+        {
+            return begin;
+        }
+    }
+
+    return end;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// toi
+//
+template<typename InIter, typename Traits>
+int toi(InIter &begin, InIter end, Traits const &tr, int radix = 10, int max = INT_MAX)
+{
+    detail::ignore_unused(tr);
+    int i = 0, c = 0;
+    for(; begin != end && -1 != (c = tr.value(*begin, radix)); ++begin)
+    {
+        if(max < ((i *= radix) += c))
+            return i / radix;
+    }
+    return i;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// advance_to
+//
+template<typename BidiIter, typename Diff>
+inline bool advance_to_impl(BidiIter & iter, Diff diff, BidiIter end, std::bidirectional_iterator_tag)
+{
+    for(; 0 < diff && iter != end; --diff)
+        ++iter;
+    for(; 0 > diff && iter != end; ++diff)
+        --iter;
+    return 0 == diff;
+}
+
+template<typename RandIter, typename Diff>
+inline bool advance_to_impl(RandIter & iter, Diff diff, RandIter end, std::random_access_iterator_tag)
+{
+    if(0 < diff)
+    {
+        if((end - iter) < diff)
+            return false;
+    }
+    else if(0 > diff)
+    {
+        if((iter - end) < -diff)
+            return false;
+    }
+    iter += diff;
+    return true;
+}
+
+template<typename Iter, typename Diff>
+inline bool advance_to(Iter & iter, Diff diff, Iter end)
+{
+    return detail::advance_to_impl(iter, diff, end, typename iterator_category<Iter>::type());
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// range_data
+//
+template<typename T>
+struct range_data
+  : range_value<T>
+{};
+
+template<typename T>
+struct range_data<T *>
+  : remove_const<T>
+{};
+
+template<typename T> std::ptrdiff_t is_null_terminated(T const &) { return 0; }
+#if BOOST_VERSION >= 103500
+inline std::ptrdiff_t is_null_terminated(char const *) { return 1; }
+#ifndef BOOST_XPRESSIVE_NO_WREGEX
+inline std::ptrdiff_t is_null_terminated(wchar_t const *) { return 1; }
+#endif
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+// data_begin/data_end
+//
+template<typename Cont>
+typename range_data<Cont>::type const *data_begin(Cont const &cont)
+{
+    return &*boost::begin(cont);
+}
+
+template<typename Cont>
+typename range_data<Cont>::type const *data_end(Cont const &cont)
+{
+    return &*boost::begin(cont) + boost::size(cont) - is_null_terminated(cont);
+}
+
+template<typename Char, typename Traits, typename Alloc>
+Char const *data_begin(std::basic_string<Char, Traits, Alloc> const &str)
+{
+    return str.data();
+}
+
+template<typename Char, typename Traits, typename Alloc>
+Char const *data_end(std::basic_string<Char, Traits, Alloc> const &str)
+{
+    return str.data() + str.size();
+}
+
+template<typename Char>
+Char const *data_begin(Char const *const &sz)
+{
+    return sz;
+}
+
+template<typename Char>
+Char const *data_end(Char const *const &sz)
+{
+    Char const *tmp = sz;
+    for(; *tmp; ++tmp)
+        ;
+    return tmp;
+}
+
+}}}
+
+#endif