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81 lines
2.5 KiB
81 lines
2.5 KiB
// Copyright (c) 2001-2011 Hartmut Kaiser |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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#if !defined(BOOST_SPIRIT_KARMA_EOL_JUL_08_2008_1014AM) |
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#define BOOST_SPIRIT_KARMA_EOL_JUL_08_2008_1014AM |
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#if defined(_MSC_VER) |
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#pragma once |
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#endif |
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#include <boost/spirit/home/support/common_terminals.hpp> |
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#include <boost/spirit/home/support/info.hpp> |
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#include <boost/spirit/home/support/unused.hpp> |
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#include <boost/spirit/home/karma/detail/attributes.hpp> |
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#include <boost/spirit/home/karma/domain.hpp> |
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#include <boost/spirit/home/karma/meta_compiler.hpp> |
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#include <boost/spirit/home/karma/delimit_out.hpp> |
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#include <boost/spirit/home/karma/detail/generate_to.hpp> |
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namespace boost { namespace spirit |
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{ |
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/////////////////////////////////////////////////////////////////////////// |
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// Enablers |
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/////////////////////////////////////////////////////////////////////////// |
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template <> |
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struct use_terminal<karma::domain, tag::eol> // enables eol |
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: mpl::true_ {}; |
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}} |
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/////////////////////////////////////////////////////////////////////////////// |
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namespace boost { namespace spirit { namespace karma |
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{ |
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#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS |
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using boost::spirit::eol; |
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#endif |
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using boost::spirit::eol_type; |
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struct eol_generator : primitive_generator<eol_generator> |
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{ |
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template <typename Context, typename Unused> |
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struct attribute |
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{ |
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typedef unused_type type; |
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}; |
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template < |
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typename OutputIterator, typename Context, typename Delimiter |
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, typename Attribute> |
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static bool generate(OutputIterator& sink, Context&, Delimiter const& d |
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, Attribute const& /*attr*/) |
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{ |
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return detail::generate_to(sink, '\n') && |
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karma::delimit_out(sink, d); // always do post-delimiting |
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} |
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template <typename Context> |
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info what(Context const& /*context*/) const |
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{ |
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return info("eol"); |
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} |
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}; |
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/////////////////////////////////////////////////////////////////////////// |
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// Generator generators: make_xxx function (objects) |
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/////////////////////////////////////////////////////////////////////////// |
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template <typename Modifiers> |
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struct make_primitive<tag::eol, Modifiers> |
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{ |
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typedef eol_generator result_type; |
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result_type operator()(unused_type, unused_type) const |
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{ |
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return result_type(); |
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} |
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}; |
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}}} |
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#endif
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