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Code Issues Releases Wiki Activity

Add split_mime() function.

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King_DuckZ 2015-12-26 14:50:40 +00:00
parent 148b60ee97
commit 05979e24a2
2 changed files with 54 additions and 0 deletions
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48
src/scan/mimetype.cpp
View file

@ -4,6 +4,17 @@
#include <sstream>
#include <algorithm>
#include <stdexcept>
#include <boost/spirit/include/qi_core.hpp>
#include <boost/spirit/include/qi_parse.hpp>
#include <boost/spirit/include/qi_lit.hpp>
#include <boost/spirit/include/qi_char_.hpp>
#include <boost/spirit/include/qi_plus.hpp>
#include <boost/spirit/include/qi_raw.hpp>
#include <boost/spirit/include/phoenix_bind.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <boost/fusion/adapted/std_pair.hpp>
#include <boost/phoenix/object/construct.hpp>
#include <boost/phoenix/stl/container.hpp>
namespace din {
using MagicCookie = std::unique_ptr<magic_set, void(*)(magic_t)>;
@ -61,4 +72,41 @@ namespace din {
return nullptr;
}
}
SplitMime split_mime (const std::string& parFull) {
using boost::spirit::ascii::space;
using boost::spirit::qi::char_;
using boost::spirit::qi::lit;
using boost::spirit::qi::raw;
using boost::spirit::qi::_val;
using boost::string_ref;
using boost::phoenix::construct;
using boost::spirit::_1;
using boost::phoenix::begin;
using boost::phoenix::size;
namespace px = boost::phoenix;
using RuleType = boost::spirit::qi::rule<std::string::const_iterator, string_ref(), boost::spirit::ascii::space_type>;
SplitMime retval;
auto full_it = parFull.begin();
const auto beg = parFull.begin();
RuleType mime_token = raw[+(char_ - ';')][_val = px::bind(&string_ref::substr, construct<string_ref>(px::ref(parFull)), begin(_1) - px::ref(beg), size(_1))];
RuleType charset_token = raw[+(char_)][_val = px::bind(&string_ref::substr, construct<string_ref>(px::ref(parFull)), begin(_1) - px::ref(beg), size(_1))];
const bool parse_ret = boost::spirit::qi::phrase_parse(
full_it,
parFull.end(),
mime_token >> ';' >> lit("charset=") >> charset_token,
space,
retval
);
if (not parse_ret or parFull.end() != full_it) {
return SplitMime();
}
else {
return retval;
}
}
} //namespace din

6
src/scan/mimetype.hpp
View file

@ -20,8 +20,12 @@
#include <memory>
#include <string>
#include <utility>
#include <boost/utility/string_ref.hpp>
namespace din {
using SplitMime = std::pair<boost::string_ref, boost::string_ref>;
class MimeType {
public:
MimeType ( void );
@ -35,6 +39,8 @@ namespace din {
std::unique_ptr<LocalData> m_local_data;
};
SplitMime split_mime ( const std::string& parFull );
} //namespace din
#endif