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116 lines
4.1 KiB
C++
116 lines
4.1 KiB
C++
/*=============================================================================
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Copyright (c) 2006 Joel de Guzman
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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_CODE_SNIPPET_HPP)
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#define BOOST_SPIRIT_QUICKBOOK_CODE_SNIPPET_HPP
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#include <boost/spirit/core.hpp>
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#include <boost/spirit/actor.hpp>
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#include "./detail/template_stack.hpp"
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namespace quickbook
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{
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struct cpp_code_snippet_grammar
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: grammar<cpp_code_snippet_grammar>
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{
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cpp_code_snippet_grammar(std::vector<template_symbol>& storage, std::string const& doc_id)
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: storage(storage)
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, doc_id(doc_id)
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{}
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template <typename Scanner>
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struct definition
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{
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definition(cpp_code_snippet_grammar const& self)
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{
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typedef cpp_code_snippet_grammar self_type;
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start_ =
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+(
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snippet [boost::bind(&self_type::compile, &self, _1, _2)]
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| anychar_p
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)
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;
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identifier =
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(alpha_p | '_') >> *(alnum_p | '_')
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;
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snippet =
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"//[" >> *space_p
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>> identifier [assign_a(self.id)]
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>> (*(code_elements - "//]"))
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>> "//]"
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;
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code_elements =
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escaped_comment
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| ignore
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| line_callout
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| inline_callout
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| (anychar_p - "//]") [boost::bind(&self_type::pass_thru, &self, _1, _2)]
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;
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inline_callout =
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"/*<"
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>> (*(anychar_p - ">*/")) [boost::bind(&self_type::inline_callout, &self, _1, _2)]
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>> ">*/"
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;
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line_callout =
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"/*<<"
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>> (*(anychar_p - ">>*/")) [boost::bind(&self_type::line_callout, &self, _1, _2)]
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>> ">>*/"
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>> *space_p
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;
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ignore =
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*blank_p >> "//<-"
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>> (*(anychar_p - "//->"))
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>> "//->" >> *blank_p >> eol_p
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| "/*<-"
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>> (*(anychar_p - "->*/"))
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>> "->*/"
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;
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escaped_comment =
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*space_p >> "//`"
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>> ((*(anychar_p - eol_p))
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>> eol_p) [boost::bind(&self_type::escaped_comment, &self, _1, _2)]
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| *space_p >> "/*`"
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>> (*(anychar_p - "*/")) [boost::bind(&self_type::escaped_comment, &self, _1, _2)]
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>> "*/"
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;
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}
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rule<Scanner>
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start_, snippet, identifier, code_elements, escaped_comment,
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inline_callout, line_callout, ignore;
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rule<Scanner> const&
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start() const { return start_; }
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};
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void pass_thru(iterator first, iterator last) const;
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void escaped_comment(iterator first, iterator last) const;
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void compile(iterator first, iterator last) const;
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void callout(iterator first, iterator last, char const* role) const;
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void inline_callout(iterator first, iterator last) const;
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void line_callout(iterator first, iterator last) const;
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mutable std::string code;
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mutable std::string snippet;
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mutable std::string id;
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mutable std::vector<std::string> callouts;
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std::string doc_id;
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std::vector<template_symbol>& storage;
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};
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}
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#endif // BOOST_SPIRIT_QUICKBOOK_CODE_SNIPPET_HPP
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