Open-Harbor/osrm-backend
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 3 Wiki Activity

implement ISO 8601 durations parsing, cf. #1399

Browse Source
This commit is contained in:
Dennis Luxen
2015-03-02 16:41:03 +01:00
parent 73a2a938b4
commit 7e00a86bb4
4 changed files with 250 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files
extractor/extraction_helper_functions.hpp
+64 -35
View File
@@ -29,6 +29,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#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>
@@ -37,53 +38,81 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <limits>
namespace qi = boost::spirit::qi;
// TODO: Move into LUA
bool durationIsValid(const std::string &s)
bool simple_duration_is_valid(const std::string &s)
{
boost::regex e(
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);
std::vector<std::string> result;
boost::algorithm::split_regex(result, s, boost::regex(":"));
const bool matched = regex_match(s, e);
return matched;
const bool simple_matched = regex_match(s, simple_format);
if (simple_matched)
{
return true;
}
return false;
}
bool iso_8601_duration_is_valid(const std::string &s)
{
iso_8601_grammar<std::string::const_iterator> iso_parser;
const bool result = 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;
}
bool durationIsValid(const std::string &s)
{
return simple_duration_is_valid(s) || iso_8601_duration_is_valid(s);
}
unsigned parseDuration(const std::string &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 (simple_duration_is_valid(s))
{
if (1 == result.size())
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)
{
minutes = cast::string_to_int(result[0]);
if (1 == result.size())
{
minutes = cast::string_to_int(result[0]);
}
if (2 == result.size())
{
minutes = cast::string_to_int(result[1]);
hours = cast::string_to_int(result[0]);
}
if (3 == result.size())
{
seconds = cast::string_to_int(result[2]);
minutes = cast::string_to_int(result[1]);
hours = cast::string_to_int(result[0]);
}
return 10 * (3600 * hours + 60 * minutes + seconds);
}
if (2 == result.size())
{
minutes = cast::string_to_int(result[1]);
hours = cast::string_to_int(result[0]);
}
if (3 == result.size())
{
seconds = cast::string_to_int(result[2]);
minutes = cast::string_to_int(result[1]);
hours = cast::string_to_int(result[0]);
}
return 10 * (3600 * hours + 60 * minutes + seconds);
}
else if (iso_8601_duration_is_valid(s))
{
iso_8601_grammar<std::string::const_iterator> iso_parser;
qi::parse(s.begin(), s.end(), iso_parser);
return iso_parser.get_duration();
}
return std::numeric_limits<unsigned>::max();
}