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- ///////////////////////////////////////////////////////////////////////////////
- // placeholders.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_STATIC_PLACEHOLDERS_HPP_EAN_10_04_2005
- #define BOOST_XPRESSIVE_DETAIL_STATIC_PLACEHOLDERS_HPP_EAN_10_04_2005
- // MS compatible compilers support #pragma once
- #if defined(_MSC_VER)
- # pragma once
- # pragma warning(push)
- # pragma warning(disable:4510) // default constructor could not be generated
- # pragma warning(disable:4610) // can never be instantiated - user defined constructor required
- #endif
- #include <string>
- #include <boost/shared_ptr.hpp>
- #include <boost/xpressive/detail/core/quant_style.hpp>
- #include <boost/xpressive/detail/core/regex_impl.hpp>
- namespace boost { namespace xpressive { namespace detail
- {
- ///////////////////////////////////////////////////////////////////////////////
- // mark_placeholder
- //
- struct mark_placeholder
- {
- BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, true)
- int mark_number_;
- };
- ///////////////////////////////////////////////////////////////////////////////
- // posix_charset_placeholder
- //
- struct posix_charset_placeholder
- {
- BOOST_XPR_QUANT_STYLE(quant_fixed_width, 1, true)
- char const *name_;
- bool not_;
- };
- ///////////////////////////////////////////////////////////////////////////////
- // assert_word_placeholder
- //
- template<typename Cond>
- struct assert_word_placeholder
- {
- BOOST_XPR_QUANT_STYLE(quant_none, 0, true)
- };
- ///////////////////////////////////////////////////////////////////////////////
- // range_placeholder
- //
- template<typename Char>
- struct range_placeholder
- {
- BOOST_XPR_QUANT_STYLE(quant_fixed_width, 1, true)
- Char ch_min_;
- Char ch_max_;
- bool not_;
- };
- ///////////////////////////////////////////////////////////////////////////////
- // assert_bol_placeholder
- //
- struct assert_bol_placeholder
- {
- BOOST_XPR_QUANT_STYLE(quant_none, 0, true)
- };
- ///////////////////////////////////////////////////////////////////////////////
- // assert_eol_placeholder
- //
- struct assert_eol_placeholder
- {
- BOOST_XPR_QUANT_STYLE(quant_none, 0, true)
- };
- ///////////////////////////////////////////////////////////////////////////////
- // logical_newline_placeholder
- //
- struct logical_newline_placeholder
- {
- BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, true)
- };
- ///////////////////////////////////////////////////////////////////////////////
- // self_placeholder
- //
- struct self_placeholder
- {
- BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, false)
- };
- ///////////////////////////////////////////////////////////////////////////////
- // attribute_placeholder
- //
- template<typename Nbr>
- struct attribute_placeholder
- {
- BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, false)
- typedef Nbr nbr_type;
- static Nbr nbr() { return Nbr(); }
- };
- }}} // namespace boost::xpressive::detail
- #if defined(_MSC_VER)
- # pragma warning(pop)
- #endif
- #endif
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