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#include "Parse.h"
#include "ParseImpl.h"
#include "../universe/Encyclopedia.h"
#include "../util/Directories.h"
#include <boost/phoenix.hpp>
#define DEBUG_PARSERS 0
#if DEBUG_PARSERS
namespace std {
inline ostream& operator<<(ostream& os, const std::vector<EncyclopediaArticle>&) { return os; }
inline ostream& operator<<(ostream& os, const EncyclopediaArticle&) { return os; }
}
#endif
namespace {
using ArticleMap = Encyclopedia::ArticleMap;
struct insert_ {
typedef void result_type;
void operator()(ArticleMap& articles, const EncyclopediaArticle& article) const
{ articles[article.category].push_back(article); }
};
const boost::phoenix::function<insert_> insert;
using start_rule_payload = ArticleMap;
using start_rule_signature = void(start_rule_payload&);
struct grammar : public parse::detail::grammar<start_rule_signature> {
grammar(const parse::lexer& tok,
const std::string& filename,
const parse::text_iterator first, const parse::text_iterator last) :
grammar::base_type(start)
{
namespace phoenix = boost::phoenix;
namespace qi = boost::spirit::qi;
using phoenix::construct;
qi::_1_type _1;
qi::_2_type _2;
qi::_3_type _3;
qi::_4_type _4;
qi::_5_type _5;
qi::_r1_type _r1;
qi::omit_type omit_;
article
= ( omit_[tok.Article_]
> label(tok.name_) > tok.string
> label(tok.category_) > tok.string
> label(tok.short_description_) > tok.string
> label(tok.description_) > tok.string
> label(tok.icon_) > tok.string )
[ insert(_r1, construct<EncyclopediaArticle>(_1, _2, _3, _4, _5)) ]
;
start
= +article(_r1)
;
article.name("EncyclopediaArticle");
#if DEBUG_PARSERS
debug(article);
#endif
qi::on_error<qi::fail>(start, parse::report_error(filename, first, last, _1, _2, _3, _4));
}
using strings_rule = parse::detail::rule<void (ArticleMap&)>;
using start_rule = parse::detail::rule<start_rule_signature>;
parse::detail::Labeller label;
strings_rule article;
start_rule start;
};
}
namespace parse {
ArticleMap encyclopedia_articles(const boost::filesystem::path& path) {
ArticleMap articles;
ScopedTimer timer("Encyclopedia Parsing");
for (const auto& file : ListDir(path, IsFOCScript))
detail::parse_file<grammar, ArticleMap>(GetLexer(), file, articles);
return articles;
}
}
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