1 ///////////////////////////////////////////////////////////////////////////////
2 // assert_line_base.hpp
3 //
4 //  Copyright 2008 Eric Niebler. Distributed under the Boost
5 //  Software License, Version 1.0. (See accompanying file
6 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 
8 #ifndef BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_DETAIL_ASSERT_LINE_BASE_HPP_EAN_10_04_2005
9 #define BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_DETAIL_ASSERT_LINE_BASE_HPP_EAN_10_04_2005
10 
11 // MS compatible compilers support #pragma once
12 #if defined(_MSC_VER)
13 # pragma once
14 #endif
15 
16 #include <boost/xpressive/detail/detail_fwd.hpp>
17 #include <boost/xpressive/detail/core/quant_style.hpp>
18 #include <boost/xpressive/detail/core/state.hpp>
19 
20 namespace boost { namespace xpressive { namespace detail
21 {
22 
23     ///////////////////////////////////////////////////////////////////////////////
24     // assert_line_base
25     //
26     template<typename Traits>
27     struct assert_line_base
28         : quant_style_assertion
29     {
30         typedef typename Traits::char_type char_type;
31         typedef typename Traits::char_class_type char_class_type;
32 
33     protected:
assert_line_baseboost::xpressive::detail::assert_line_base34         assert_line_base(Traits const &tr)
35             : newline_(lookup_classname(tr, "newline"))
36             , nl_(tr.widen('\n'))
37             , cr_(tr.widen('\r'))
38         {
39         }
40 
41         char_class_type newline_;
42         char_type nl_, cr_;
43     };
44 
45 }}}
46 
47 #endif
48