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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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