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69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/*=============================================================================
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Copyright (c) 2009 Daniel James
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Copyright (c) 2002 2004 2006 Joel de Guzman
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Copyright (c) 2004 Eric Niebler
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http://spirit.sourceforge.net/
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Use, modification and distribution is subject to the Boost Software
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License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#if !defined(BOOST_SPIRIT_QUICKBOOK_AS_STRING_HPP)
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#define BOOST_SPIRIT_QUICKBOOK_AS_STRING_HPP
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#include <boost/spirit/include/phoenix_core.hpp>
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#include <boost/spirit/include/phoenix_bind.hpp>
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#include <boost/spirit/include/qi_nonterminal.hpp>
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#include <string>
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namespace quickbook
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{
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namespace spirit = boost::spirit;
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namespace ph = boost::phoenix;
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// member_assign - action to assign the attribute to a member of the
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// rule's attributte.
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template <typename Struct, typename Member>
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struct member_assign_type {
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member_assign_type(Member Struct::*mem_ptr) : mem_ptr_(mem_ptr) {}
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template <typename Context>
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void operator()(Member& attrib, Context& context, bool& pass) const {
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(ph::bind(mem_ptr_, spirit::_val) = attrib)(attrib, context, pass);
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}
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template <typename Attrib, typename Context>
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void operator()(Attrib& attrib, Context& context, bool& pass) const {
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(ph::bind(mem_ptr_, spirit::_val) = attrib)(attrib, context, pass);
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}
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Member Struct::*mem_ptr_;
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};
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template <typename Struct>
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struct member_assign_type<Struct, std::string> {
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member_assign_type(std::string Struct::*mem_ptr) : mem_ptr_(mem_ptr) {}
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template <typename Context>
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void operator()(std::string& attrib, Context& context, bool& pass) const {
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(ph::bind(mem_ptr_, spirit::_val) = attrib)(attrib, context, pass);
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}
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template <typename Attrib, typename Context>
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void operator()(Attrib& attrib, Context& context, bool& pass) const {
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(ph::bind(mem_ptr_, spirit::_val) = std::string(attrib.begin(), attrib.end()))(attrib, context, pass);
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}
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std::string Struct::*mem_ptr_;
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};
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template <typename Struct, typename Member>
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member_assign_type<Struct, Member> member_assign(Member Struct::*mem_ptr) {
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return member_assign_type<Struct, Member>(mem_ptr);
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}
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}
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#endif
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