Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: // placeholders.hpp
Chris@16: //
Chris@16: //  Copyright 2008 Eric Niebler. Distributed under the Boost
Chris@16: //  Software License, Version 1.0. (See accompanying file
Chris@16: //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_XPRESSIVE_DETAIL_STATIC_PLACEHOLDERS_HPP_EAN_10_04_2005
Chris@16: #define BOOST_XPRESSIVE_DETAIL_STATIC_PLACEHOLDERS_HPP_EAN_10_04_2005
Chris@16: 
Chris@16: // MS compatible compilers support #pragma once
Chris@101: #if defined(_MSC_VER)
Chris@16: # pragma once
Chris@16: # pragma warning(push)
Chris@16: # pragma warning(disable:4510) // default constructor could not be generated
Chris@16: # pragma warning(disable:4610) // can never be instantiated - user defined constructor required
Chris@16: #endif
Chris@16: 
Chris@16: #include <string>
Chris@16: #include <boost/shared_ptr.hpp>
Chris@16: #include <boost/xpressive/detail/core/quant_style.hpp>
Chris@16: #include <boost/xpressive/detail/core/regex_impl.hpp>
Chris@16: 
Chris@16: namespace boost { namespace xpressive { namespace detail
Chris@16: {
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: // mark_placeholder
Chris@16: //
Chris@16: struct mark_placeholder
Chris@16: {
Chris@16:     BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, true)
Chris@16: 
Chris@16:     int mark_number_;
Chris@16: };
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: // posix_charset_placeholder
Chris@16: //
Chris@16: struct posix_charset_placeholder
Chris@16: {
Chris@16:     BOOST_XPR_QUANT_STYLE(quant_fixed_width, 1, true)
Chris@16: 
Chris@16:     char const *name_;
Chris@16:     bool not_;
Chris@16: };
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: // assert_word_placeholder
Chris@16: //
Chris@16: template<typename Cond>
Chris@16: struct assert_word_placeholder
Chris@16: {
Chris@16:     BOOST_XPR_QUANT_STYLE(quant_none, 0, true)
Chris@16: };
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: // range_placeholder
Chris@16: //
Chris@16: template<typename Char>
Chris@16: struct range_placeholder
Chris@16: {
Chris@16:     BOOST_XPR_QUANT_STYLE(quant_fixed_width, 1, true)
Chris@16: 
Chris@16:     Char ch_min_;
Chris@16:     Char ch_max_;
Chris@16:     bool not_;
Chris@16: };
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: // assert_bol_placeholder
Chris@16: //
Chris@16: struct assert_bol_placeholder
Chris@16: {
Chris@16:     BOOST_XPR_QUANT_STYLE(quant_none, 0, true)
Chris@16: };
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: // assert_eol_placeholder
Chris@16: //
Chris@16: struct assert_eol_placeholder
Chris@16: {
Chris@16:     BOOST_XPR_QUANT_STYLE(quant_none, 0, true)
Chris@16: };
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: // logical_newline_placeholder
Chris@16: //
Chris@16: struct logical_newline_placeholder
Chris@16: {
Chris@16:     BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, true)
Chris@16: };
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: // self_placeholder
Chris@16: //
Chris@16: struct self_placeholder
Chris@16: {
Chris@16:     BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, false)
Chris@16: };
Chris@16: 
Chris@16: ///////////////////////////////////////////////////////////////////////////////
Chris@16: // attribute_placeholder
Chris@16: //
Chris@16: template<typename Nbr>
Chris@16: struct attribute_placeholder
Chris@16: {
Chris@16:     BOOST_XPR_QUANT_STYLE(quant_variable_width, unknown_width::value, false)
Chris@16: 
Chris@16:     typedef Nbr nbr_type;
Chris@16:     static Nbr nbr() { return Nbr(); }
Chris@16: };
Chris@16: 
Chris@16: }}} // namespace boost::xpressive::detail
Chris@16: 
Chris@101: #if defined(_MSC_VER)
Chris@16: # pragma warning(pop)
Chris@16: #endif
Chris@16: 
Chris@16: #endif