osrm-backend/include/extractor/extraction_helper_functions.hpp
Daniel J. Hofmann 04765d82ba Fixes undefined behavior via One-Definition-Rule violations
Heuristic

    find . -type f -name '*.hpp' |xargs ag -B 1 '^([^inline][a-zA-Z0-9_&\*::])+ (.*)\((.*)\)$'
2016-02-26 06:39:52 +01:00

101 lines
2.7 KiB
C++

#ifndef EXTRACTION_HELPER_FUNCTIONS_HPP
#define EXTRACTION_HELPER_FUNCTIONS_HPP
#include "util/cast.hpp"
#include "util/iso_8601_duration_parser.hpp"
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string_regex.hpp>
#include <boost/spirit/include/qi.hpp>
#include <boost/regex.hpp>
#include <limits>
#include <string>
namespace osrm
{
namespace extractor
{
inline bool simple_duration_is_valid(const std::string &s)
{
boost::regex simple_format(
"((\\d|\\d\\d):(\\d|\\d\\d):(\\d|\\d\\d))|((\\d|\\d\\d):(\\d|\\d\\d))|(\\d|\\d\\d)",
boost::regex_constants::icase | boost::regex_constants::perl);
const bool simple_matched = regex_match(s, simple_format);
if (simple_matched)
{
return true;
}
return false;
}
inline bool iso_8601_duration_is_valid(const std::string &s)
{
util::iso_8601_grammar<std::string::const_iterator> iso_parser;
const bool result = boost::spirit::qi::parse(s.begin(), s.end(), iso_parser);
// check if the was an error with the request
if (result && (0 != iso_parser.get_duration()))
{
return true;
}
return false;
}
inline bool durationIsValid(const std::string &s)
{
return simple_duration_is_valid(s) || iso_8601_duration_is_valid(s);
}
inline unsigned parseDuration(const std::string &s)
{
if (simple_duration_is_valid(s))
{
unsigned hours = 0;
unsigned minutes = 0;
unsigned seconds = 0;
boost::regex e(
"((\\d|\\d\\d):(\\d|\\d\\d):(\\d|\\d\\d))|((\\d|\\d\\d):(\\d|\\d\\d))|(\\d|\\d\\d)",
boost::regex_constants::icase | boost::regex_constants::perl);
std::vector<std::string> result;
boost::algorithm::split_regex(result, s, boost::regex(":"));
const bool matched = regex_match(s, e);
if (matched)
{
if (1 == result.size())
{
minutes = std::stoul(result[0]);
}
if (2 == result.size())
{
minutes = std::stoul(result[1]);
hours = std::stoul(result[0]);
}
if (3 == result.size())
{
seconds = std::stoul(result[2]);
minutes = std::stoul(result[1]);
hours = std::stoul(result[0]);
}
return (3600 * hours + 60 * minutes + seconds);
}
}
else if (iso_8601_duration_is_valid(s))
{
util::iso_8601_grammar<std::string::const_iterator> iso_parser;
boost::spirit::qi::parse(s.begin(), s.end(), iso_parser);
return iso_parser.get_duration();
}
return std::numeric_limits<unsigned>::max();
}
}
}
#endif // EXTRACTION_HELPER_FUNCTIONS_HPP