comparison DEPENDENCIES/generic/include/boost/spirit/home/support/utf8.hpp @ 16:2665513ce2d3

Add boost headers

+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+
+    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)
+==============================================================================*/
+#if !defined(BOOST_SPIRIT_UC_TYPES_NOVEMBER_23_2008_0840PM)
+#define BOOST_SPIRIT_UC_TYPES_NOVEMBER_23_2008_0840PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/cstdint.hpp>
+#include <boost/foreach.hpp>
+#include <boost/regex/pending/unicode_iterator.hpp>
+#include <boost/type_traits/make_unsigned.hpp>
+#include <string>
+
+namespace boost { namespace spirit
+{
+    typedef ::boost::uint32_t ucs4_char;
+    typedef char utf8_char;
+    typedef std::basic_string<ucs4_char> ucs4_string;
+    typedef std::basic_string<utf8_char> utf8_string;
+
+    template <typename Char>
+    inline utf8_string to_utf8(Char value)
+    {
+        // always store as UTF8
+        utf8_string result;
+        typedef std::back_insert_iterator<utf8_string> insert_iter;
+        insert_iter out_iter(result);
+        utf8_output_iterator<insert_iter> utf8_iter(out_iter);
+        typedef typename make_unsigned<Char>::type UChar;
+        *utf8_iter = (UChar)value;
+        return result;
+    }
+
+    template <typename Char>
+    inline utf8_string to_utf8(Char const* str)
+    {
+        // always store as UTF8
+        utf8_string result;
+        typedef std::back_insert_iterator<utf8_string> insert_iter;
+        insert_iter out_iter(result);
+        utf8_output_iterator<insert_iter> utf8_iter(out_iter);
+        typedef typename make_unsigned<Char>::type UChar;
+        while (*str)
+            *utf8_iter++ = (UChar)*str++;
+        return result;
+    }
+
+    template <typename Char, typename Traits, typename Allocator>
+    inline utf8_string 
+    to_utf8(std::basic_string<Char, Traits, Allocator> const& str)
+    {
+        // always store as UTF8
+        utf8_string result;
+        typedef std::back_insert_iterator<utf8_string> insert_iter;
+        insert_iter out_iter(result);
+        utf8_output_iterator<insert_iter> utf8_iter(out_iter);
+        typedef typename make_unsigned<Char>::type UChar;
+        BOOST_FOREACH(Char ch, str)
+        {
+            *utf8_iter++ = (UChar)ch;
+        }
+        return result;
+    }
+}}
+
+#endif