Files
quickbook/phrase_image_grammar.cpp
Daniel James 3bce75216c Split up the grammars.
[SVN r62847]
2010-06-12 13:05:21 +00:00

79 lines
3.1 KiB
C++

/*=============================================================================
Copyright (c) 2002 2004 2006 Joel de Guzman
Copyright (c) 2004 Eric Niebler
http://spirit.sourceforge.net/
Use, modification and distribution is subject to 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)
=============================================================================*/
#include <boost/spirit/include/qi_core.hpp>
#include <boost/spirit/include/qi_eps.hpp>
#include "grammar_impl.hpp"
#include "phrase.hpp"
#include "actions.hpp"
#include "misc_rules.hpp"
#include "parse_utils.hpp"
namespace quickbook
{
namespace qi = boost::spirit::qi;
namespace ph = boost::phoenix;
void quickbook_grammar::impl::init_phrase_image()
{
// Images
qi::rule<iterator, quickbook::image()>& image = store_.create();
qi::rule<iterator, quickbook::image()>& image_1_4 = store_.create();
qi::rule<iterator, quickbook::image()>& image_1_5 = store_.create();
qi::rule<iterator, std::string()>& image_filename = store_.create();
qi::rule<iterator, quickbook::image::attribute_map()>& image_attributes = store_.create();
qi::rule<iterator, std::pair<std::string, std::string>()>& image_attribute = store_.create();
qi::rule<iterator, std::string()>& image_attribute_key = store_.create();
qi::rule<iterator, std::string()>& image_attribute_value = store_.create();
phrase_symbol_rules.add("$", image [actions.process]);
image =
(qi::eps(qbk_since(105u)) >> image_1_5) |
(qi::eps(qbk_before(105u)) >> image_1_4);
image_1_4 =
position [member_assign(&quickbook::image::position)]
>> blank
>> (*(qi::char_ - phrase_end)) [member_assign(&quickbook::image::image_filename)]
>> &qi::lit(']')
;
image_1_5 =
position [member_assign(&quickbook::image::position)]
>> blank
>> image_filename [member_assign(&quickbook::image::image_filename)]
>> hard_space
>> image_attributes [member_assign(&quickbook::image::attributes)]
>> &qi::lit(']')
;
image_filename = qi::raw[
+(qi::char_ - (qi::space | phrase_end | '['))
>> *(
+qi::space
>> +(qi::char_ - (qi::space | phrase_end | '['))
)];
image_attributes = *(image_attribute >> space);
image_attribute =
'['
>> image_attribute_key [member_assign(&std::pair<std::string, std::string>::first)]
>> space
>> image_attribute_value [member_assign(&std::pair<std::string, std::string>::second)]
>> ']'
;
image_attribute_key = *(qi::alnum | '_');
image_attribute_value = *(qi::char_ - (phrase_end | '['));
}
}