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#include "generator/osm2meta.hpp"
#include "platform/measurement_utils.hpp"
#include "coding/url_encode.hpp"
#include "base/logging.hpp"
#include "base/string_utils.hpp"
#include <algorithm>
#include <cctype>
#include <cmath>
#include <cstdlib>
#include <unordered_set>
using namespace std;
namespace
{
constexpr char const * kOSMMultivalueDelimiter = ";";
// https://en.wikipedia.org/wiki/List_of_tallest_buildings_in_the_world
auto constexpr kMaxBuildingLevelsInTheWorld = 167;
auto constexpr kMinBuildingLevel = -6;
template <class T>
void RemoveDuplicatesAndKeepOrder(vector<T> & vec)
{
unordered_set<T> seen;
auto const predicate = [&seen](T const & value)
{
if (seen.find(value) != seen.end())
return true;
seen.insert(value);
return false;
};
vec.erase(remove_if(vec.begin(), vec.end(), predicate), vec.end());
}
// Also filters out duplicates.
class MultivalueCollector
{
public:
void operator()(string const & value)
{
if (value.empty() || value == kOSMMultivalueDelimiter)
return;
m_values.push_back(value);
}
string GetString()
{
if (m_values.empty())
return string();
RemoveDuplicatesAndKeepOrder(m_values);
return strings::JoinStrings(m_values, kOSMMultivalueDelimiter);
}
private:
vector<string> m_values;
};
void CollapseMultipleConsecutiveCharsIntoOne(char c, string & str)
{
auto const comparator = [c](char lhs, char rhs) { return lhs == rhs && lhs == c; };
str.erase(unique(str.begin(), str.end(), comparator), str.end());
}
} // namespace
string MetadataTagProcessorImpl::ValidateAndFormat_maxspeed(string const & v) const
{
if (!ftypes::IsSpeedCamChecker::Instance()(m_params.m_Types))
return string();
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_stars(string const & v) const
{
if (v.empty())
return string();
// We are accepting stars from 1 to 7.
if (v[0] <= '0' || v[0] > '7')
return string();
// Ignore numbers large then 9.
if (v.size() > 1 && ::isdigit(v[1]))
return string();
return string(1, v[0]);
}
string MetadataTagProcessorImpl::ValidateAndFormat_price_rate(string const & v) const
{
if (v.size() != 1)
return string();
// Price rate is a single digit from 0 to 5.
if (v[0] < '0' || v[0] > '5')
return string();
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_operator(string const & v) const
{
auto const & isATM = ftypes::IsATMChecker::Instance();
auto const & isFuelStation = ftypes::IsFuelStationChecker::Instance();
if (!(isATM(m_params.m_Types) || isFuelStation(m_params.m_Types)))
return string();
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_url(string const & v) const
{
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_phone(string const & v) const
{
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_opening_hours(string const & v) const
{
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_ele(string const & v) const
{
return measurement_utils::OSMDistanceToMetersString(v);
}
string MetadataTagProcessorImpl::ValidateAndFormat_turn_lanes(string const & v) const
{
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_turn_lanes_forward(string const & v) const
{
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_turn_lanes_backward(string const & v) const
{
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_email(string const & v) const
{
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_postcode(string const & v) const
{
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_flats(string const & v) const
{
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_internet(string v) const
{
// TODO(AlexZ): Reuse/synchronize this code with MapObject::SetInternet().
strings::AsciiToLower(v);
if (v == "wlan" || v == "wired" || v == "yes" || v == "no")
return v;
// Process wifi=free tag.
if (v == "free")
return "wlan";
return {};
}
string MetadataTagProcessorImpl::ValidateAndFormat_height(string const & v) const
{
return measurement_utils::OSMDistanceToMetersString(v, false /*supportZeroAndNegativeValues*/, 1);
}
string MetadataTagProcessorImpl::ValidateAndFormat_building_levels(string v) const
{
// Some mappers use full width unicode digits. We can handle that.
strings::NormalizeDigits(v);
char * stop;
char const * s = v.c_str();
double const levels = strtod(s, &stop);
if (s != stop && isfinite(levels) && levels >= 0 && levels <= kMaxBuildingLevelsInTheWorld)
return strings::to_string_dac(levels, 1);
return {};
}
string MetadataTagProcessorImpl::ValidateAndFormat_level(string v) const
{
// Some mappers use full width unicode digits. We can handle that.
strings::NormalizeDigits(v);
char * stop;
char const * s = v.c_str();
double const levels = strtod(s, &stop);
if (s != stop && isfinite(levels) && levels >= kMinBuildingLevel &&
levels <= kMaxBuildingLevelsInTheWorld)
{
return strings::to_string(levels);
}
return {};
}
string MetadataTagProcessorImpl::ValidateAndFormat_sponsored_id(string const & v) const
{
uint64_t id;
if (!strings::to_uint64(v, id))
return string();
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_rating(string const & v) const
{
double rating;
if (!strings::to_double(v, rating))
return string();
if (rating > 0 && rating <= 10)
return strings::to_string_dac(rating, 1);
return string();
}
string MetadataTagProcessorImpl::ValidateAndFormat_denomination(string const & v) const
{
return v;
}
string MetadataTagProcessorImpl::ValidateAndFormat_cuisine(string v) const
{
strings::MakeLowerCaseInplace(v);
strings::SimpleTokenizer iter(v, ",;");
MultivalueCollector collector;
while (iter) {
string normalized = *iter;
strings::Trim(normalized, " ");
CollapseMultipleConsecutiveCharsIntoOne(' ', normalized);
replace(normalized.begin(), normalized.end(), ' ', '_');
// Avoid duplication for some cuisines.
if (normalized == "bbq" || normalized == "barbeque")
normalized = "barbecue";
if (normalized == "doughnut")
normalized = "donut";
if (normalized == "steak")
normalized = "steak_house";
if (normalized == "coffee")
normalized = "coffee_shop";
collector(normalized);
++iter;
}
return collector.GetString();
}
string MetadataTagProcessorImpl::ValidateAndFormat_wikipedia(string v) const
{
strings::Trim(v);
// Normalize by converting full URL to "lang:title" if necessary
// (some OSMers do not follow standard for wikipedia tag).
static string const base = ".wikipedia.org/wiki/";
auto const baseIndex = v.find(base);
if (baseIndex != string::npos)
{
auto const baseSize = base.size();
// Do not allow urls without article name after /wiki/.
if (v.size() > baseIndex + baseSize)
{
auto const slashIndex = v.rfind('/', baseIndex);
if (slashIndex != string::npos && slashIndex + 1 != baseIndex)
{
// Normalize article title according to OSM standards.
string title = UrlDecode(v.substr(baseIndex + baseSize));
replace(title.begin(), title.end(), '_', ' ');
return v.substr(slashIndex + 1, baseIndex - slashIndex - 1) + ":" + title;
}
}
LOG(LDEBUG, ("Invalid Wikipedia tag value:", v));
return string();
}
// Standard case: "lang:Article Name With Spaces".
// Language and article are at least 2 chars each.
auto const colonIndex = v.find(':');
if (colonIndex == string::npos || colonIndex < 2 || colonIndex + 2 > v.size())
{
LOG(LDEBUG, ("Invalid Wikipedia tag value:", v));
return string();
}
// Check if it's not a random/invalid link.
if (v.find("//") != string::npos || v.find(".org") != string::npos)
{
LOG(LDEBUG, ("Invalid Wikipedia tag value:", v));
return string();
}
// Normalize to OSM standards.
string normalized(v);
replace(normalized.begin() + colonIndex, normalized.end(), '_', ' ');
return normalized;
}
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