121 lines
3.1 KiB
C++
121 lines
3.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// placeholders.hpp
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//
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// Copyright 2008 Eric Niebler. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_XPRESSIVE_DETAIL_STATIC_PLACEHOLDERS_HPP_EAN_10_04_2005
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#define BOOST_XPRESSIVE_DETAIL_STATIC_PLACEHOLDERS_HPP_EAN_10_04_2005
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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# pragma warning(push)
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# pragma warning(disable:4510) // default constructor could not be generated
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# pragma warning(disable:4610) // can never be instantiated - user defined constructor required
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#endif
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#include <string>
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#include <boost/shared_ptr.hpp>
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#include <boost/xpressive/detail/core/quant_style.hpp>
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#include <boost/xpressive/detail/core/regex_impl.hpp>
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namespace boost { namespace xpressive { namespace detail
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{
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///////////////////////////////////////////////////////////////////////////////
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// mark_placeholder
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//
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struct mark_placeholder
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{
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BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, true)
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int mark_number_;
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};
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///////////////////////////////////////////////////////////////////////////////
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// posix_charset_placeholder
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//
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struct posix_charset_placeholder
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{
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BOOST_XPR_QUANT_STYLE(quant_fixed_width, 1, true)
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char const *name_;
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bool not_;
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};
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///////////////////////////////////////////////////////////////////////////////
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// assert_word_placeholder
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//
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template<typename Cond>
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struct assert_word_placeholder
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{
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BOOST_XPR_QUANT_STYLE(quant_none, 0, true)
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};
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///////////////////////////////////////////////////////////////////////////////
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// range_placeholder
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//
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template<typename Char>
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struct range_placeholder
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{
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BOOST_XPR_QUANT_STYLE(quant_fixed_width, 1, true)
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Char ch_min_;
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Char ch_max_;
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bool not_;
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};
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///////////////////////////////////////////////////////////////////////////////
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// assert_bol_placeholder
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//
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struct assert_bol_placeholder
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{
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BOOST_XPR_QUANT_STYLE(quant_none, 0, true)
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};
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///////////////////////////////////////////////////////////////////////////////
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// assert_eol_placeholder
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//
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struct assert_eol_placeholder
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{
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BOOST_XPR_QUANT_STYLE(quant_none, 0, true)
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};
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///////////////////////////////////////////////////////////////////////////////
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// logical_newline_placeholder
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//
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struct logical_newline_placeholder
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{
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BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, true)
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};
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///////////////////////////////////////////////////////////////////////////////
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// self_placeholder
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//
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struct self_placeholder
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{
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BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, false)
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};
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///////////////////////////////////////////////////////////////////////////////
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// attribute_placeholder
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//
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template<typename Nbr>
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struct attribute_placeholder
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{
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BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, false)
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typedef Nbr nbr_type;
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static Nbr nbr() { return Nbr(); }
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};
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}}} // namespace boost::xpressive::detail
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma warning(pop)
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#endif
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#endif
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