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xml_feature.cpp
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xml_feature.cpp
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#include "editor/xml_feature.hpp"
#include "indexer/classificator.hpp"
#include "indexer/editable_map_object.hpp"
#include "indexer/ftypes_matcher.hpp"
#include "coding/string_utf8_multilang.hpp"
#include "geometry/latlon.hpp"
#include "base/exception.hpp"
#include "base/macros.hpp"
#include "base/string_utils.hpp"
#include "base/timer.hpp"
#include <array>
#include <sstream>
#include <string>
using namespace std;
namespace
{
constexpr char const * kTimestamp = "timestamp";
constexpr char const * kIndex = "mwm_file_index";
constexpr char const * kUploadTimestamp = "upload_timestamp";
constexpr char const * kUploadStatus = "upload_status";
constexpr char const * kUploadError = "upload_error";
constexpr char const * kHouseNumber = "addr:housenumber";
constexpr char const * kCuisine = "cuisine";
constexpr char const * kUnknownType = "unknown";
constexpr char const * kNodeType = "node";
constexpr char const * kWayType = "way";
constexpr char const * kRelationType = "relation";
pugi::xml_node FindTag(pugi::xml_document const & document, string const & key)
{
return document.select_node(("//tag[@k='" + key + "']").data()).node();
}
ms::LatLon GetLatLonFromNode(pugi::xml_node const & node)
{
ms::LatLon ll;
if (!strings::to_double(node.attribute("lat").value(), ll.m_lat))
{
MYTHROW(editor::NoLatLon,
("Can't parse lat attribute:", string(node.attribute("lat").value())));
}
if (!strings::to_double(node.attribute("lon").value(), ll.m_lon))
{
MYTHROW(editor::NoLatLon,
("Can't parse lon attribute:", string(node.attribute("lon").value())));
}
return ll;
}
m2::PointD GetMercatorPointFromNode(pugi::xml_node const & node)
{
m2::PointD p;
if (!strings::to_double(node.attribute("x").value(), p.x))
MYTHROW(editor::NoXY, ("Can't parse x attribute: " + string(node.attribute("x").value())));
if (!strings::to_double(node.attribute("y").value(), p.y))
MYTHROW(editor::NoXY, ("Can't parse y attribute: " + string(node.attribute("y").value())));
return p;
}
void ValidateElement(pugi::xml_node const & nodeOrWay)
{
using editor::XMLFeature;
if (!nodeOrWay)
MYTHROW(editor::InvalidXML, ("Document has no valid root element."));
auto const type = XMLFeature::StringToType(nodeOrWay.name());
if (type == XMLFeature::Type::Unknown)
MYTHROW(editor::InvalidXML, ("XMLFeature does not support root tag", nodeOrWay.name()));
if (type == XMLFeature::Type::Node)
UNUSED_VALUE(GetLatLonFromNode(nodeOrWay));
if (!nodeOrWay.attribute(kTimestamp))
MYTHROW(editor::NoTimestamp, ("Node has no timestamp attribute"));
}
} // namespace
namespace editor
{
XMLFeature::XMLFeature(Type const type)
{
ASSERT_NOT_EQUAL(type, Type::Unknown, ());
m_document.append_child(TypeToString(type).c_str());
}
XMLFeature::XMLFeature(string const & xml)
{
m_document.load(xml.data());
ValidateElement(GetRootNode());
}
XMLFeature::XMLFeature(pugi::xml_document const & xml)
{
m_document.reset(xml);
ValidateElement(GetRootNode());
}
XMLFeature::XMLFeature(pugi::xml_node const & xml)
{
m_document.reset();
m_document.append_copy(xml);
ValidateElement(GetRootNode());
}
XMLFeature::XMLFeature(XMLFeature const & feature)
{
m_document.reset(feature.m_document);
// Don't validate feature: it should already be validated.
}
XMLFeature & XMLFeature::operator=(XMLFeature const & feature)
{
m_document.reset(feature.m_document);
// Don't validate feature: it should already be validated.
return *this;
}
bool XMLFeature::operator==(XMLFeature const & other) const
{
return ToOSMString() == other.ToOSMString();
}
vector<XMLFeature> XMLFeature::FromOSM(string const & osmXml)
{
pugi::xml_document doc;
if (doc.load_string(osmXml.data()).status != pugi::status_ok)
MYTHROW(editor::InvalidXML, ("Not valid XML:", osmXml));
vector<XMLFeature> features;
for (auto const & n : doc.child("osm").children())
{
if (StringToType(n.name()) != Type::Unknown)
features.emplace_back(n);
}
return features;
}
XMLFeature::Type XMLFeature::GetType() const { return StringToType(GetRootNode().name()); }
string XMLFeature::GetTypeString() const { return GetRootNode().name(); }
void XMLFeature::Save(ostream & ost) const { m_document.save(ost, " "); }
string XMLFeature::ToOSMString() const
{
ostringstream ost;
// Ugly way to wrap into <osm>..</osm> tags.
// Unfortunately, pugi xml library doesn't allow to insert documents into other documents.
ost << "<?xml version=\"1.0\"?>" << endl;
ost << "<osm>" << endl;
m_document.save(ost, " ", pugi::format_no_declaration | pugi::format_indent);
ost << "</osm>" << endl;
return ost.str();
}
void XMLFeature::ApplyPatch(XMLFeature const & featureWithChanges)
{
// TODO(mgsergio): Get these alt tags from the config.
vector<vector<string>> const alternativeTags = {{"phone", "contact:phone", "contact:mobile"},
{"website", "contact:website", "url"},
{"fax", "contact:fax"},
{"email", "contact:email"}};
featureWithChanges.ForEachTag([&alternativeTags, this](string const & k, string const & v) {
// Avoid duplication for similar alternative osm tags.
for (auto const & alt : alternativeTags)
{
ASSERT(!alt.empty(), ());
if (k == alt.front())
{
for (auto const & tag : alt)
{
// Reuse already existing tag if it's present.
if (HasTag(tag))
{
SetTagValue(tag, v);
return;
}
}
}
}
SetTagValue(k, v);
});
}
m2::PointD XMLFeature::GetMercatorCenter() const
{
return mercator::FromLatLon(GetLatLonFromNode(GetRootNode()));
}
ms::LatLon XMLFeature::GetCenter() const
{
ASSERT_EQUAL(GetType(), Type::Node, ());
return GetLatLonFromNode(GetRootNode());
}
void XMLFeature::SetCenter(ms::LatLon const & ll)
{
ASSERT_EQUAL(GetType(), Type::Node, ());
SetAttribute("lat", strings::to_string_dac(ll.m_lat, kLatLonTolerance));
SetAttribute("lon", strings::to_string_dac(ll.m_lon, kLatLonTolerance));
}
void XMLFeature::SetCenter(m2::PointD const & mercatorCenter)
{
SetCenter(mercator::ToLatLon(mercatorCenter));
}
vector<m2::PointD> XMLFeature::GetGeometry() const
{
ASSERT_NOT_EQUAL(GetType(), Type::Unknown, ());
ASSERT_NOT_EQUAL(GetType(), Type::Node, ());
vector<m2::PointD> geometry;
for (auto const & xCenter : GetRootNode().select_nodes("nd"))
{
ASSERT(xCenter.node(), ("no nd attribute."));
geometry.emplace_back(GetMercatorPointFromNode(xCenter.node()));
}
return geometry;
}
string XMLFeature::GetName(string const & lang) const
{
ASSERT_EQUAL(string(kDefaultLang),
string(StringUtf8Multilang::GetLangByCode(StringUtf8Multilang::kDefaultCode)), ());
ASSERT_EQUAL(string(kIntlLang),
string(StringUtf8Multilang::GetLangByCode(StringUtf8Multilang::kInternationalCode)),
());
ASSERT_EQUAL(string(kAltLang),
string(StringUtf8Multilang::GetLangByCode(StringUtf8Multilang::kAltNameCode)), ());
ASSERT_EQUAL(string(kOldLang),
string(StringUtf8Multilang::GetLangByCode(StringUtf8Multilang::kOldNameCode)), ());
if (lang == kIntlLang)
return GetTagValue(kIntlName);
if (lang == kAltLang)
return GetTagValue(kAltName);
if (lang == kOldLang)
return GetTagValue(kOldName);
auto const suffix = (lang == kDefaultLang || lang.empty()) ? "" : ":" + lang;
return GetTagValue(kDefaultName + suffix);
}
string XMLFeature::GetName(uint8_t const langCode) const
{
return GetName(StringUtf8Multilang::GetLangByCode(langCode));
}
void XMLFeature::SetName(string const & name) { SetName(kDefaultLang, name); }
void XMLFeature::SetName(string const & lang, string const & name)
{
if (lang == kIntlLang)
{
SetTagValue(kIntlName, name);
}
else if (lang == kAltLang)
{
SetTagValue(kAltName, name);
}
else if (lang == kOldLang)
{
SetTagValue(kOldName, name);
}
else
{
auto const suffix = (lang == kDefaultLang || lang.empty()) ? "" : ":" + lang;
SetTagValue(kDefaultName + suffix, name);
}
}
void XMLFeature::SetName(uint8_t const langCode, string const & name)
{
SetName(StringUtf8Multilang::GetLangByCode(langCode), name);
}
string XMLFeature::GetHouse() const { return GetTagValue(kHouseNumber); }
void XMLFeature::SetHouse(string const & house) { SetTagValue(kHouseNumber, house); }
string XMLFeature::GetCuisine() const { return GetTagValue(kCuisine); }
void XMLFeature::SetCuisine(string const & cuisine) { SetTagValue(kCuisine, cuisine); }
time_t XMLFeature::GetModificationTime() const
{
return base::StringToTimestamp(GetRootNode().attribute(kTimestamp).value());
}
void XMLFeature::SetModificationTime(time_t const time)
{
SetAttribute(kTimestamp, base::TimestampToString(time));
}
uint32_t XMLFeature::GetMWMFeatureIndex() const
{
// Always cast to uint32_t to avoid warnings on different platforms.
return static_cast<uint32_t>(GetRootNode().attribute(kIndex).as_uint(0));
}
void XMLFeature::SetMWMFeatureIndex(uint32_t index)
{
SetAttribute(kIndex, strings::to_string(index));
}
time_t XMLFeature::GetUploadTime() const
{
return base::StringToTimestamp(GetRootNode().attribute(kUploadTimestamp).value());
}
void XMLFeature::SetUploadTime(time_t const time)
{
SetAttribute(kUploadTimestamp, base::TimestampToString(time));
}
string XMLFeature::GetUploadStatus() const
{
return GetRootNode().attribute(kUploadStatus).value();
}
void XMLFeature::SetUploadStatus(string const & status) { SetAttribute(kUploadStatus, status); }
string XMLFeature::GetUploadError() const { return GetRootNode().attribute(kUploadError).value(); }
void XMLFeature::SetUploadError(string const & error) { SetAttribute(kUploadError, error); }
bool XMLFeature::HasAnyTags() const { return GetRootNode().child("tag"); }
bool XMLFeature::HasTag(string const & key) const { return FindTag(m_document, key); }
bool XMLFeature::HasAttribute(string const & key) const
{
return GetRootNode().attribute(key.data());
}
bool XMLFeature::HasKey(string const & key) const { return HasTag(key) || HasAttribute(key); }
string XMLFeature::GetTagValue(string const & key) const
{
auto const tag = FindTag(m_document, key);
return tag.attribute("v").value();
}
void XMLFeature::SetTagValue(string const & key, string value)
{
strings::Trim(value);
auto tag = FindTag(m_document, key);
if (!tag)
{
tag = GetRootNode().append_child("tag");
tag.append_attribute("k").set_value(key.data());
tag.append_attribute("v").set_value(value.data());
}
else
{
tag.attribute("v") = value.data();
}
}
string XMLFeature::GetAttribute(string const & key) const
{
return GetRootNode().attribute(key.data()).value();
}
void XMLFeature::SetAttribute(string const & key, string const & value)
{
auto node = HasAttribute(key) ? GetRootNode().attribute(key.data())
: GetRootNode().append_attribute(key.data());
node.set_value(value.data());
}
pugi::xml_node const XMLFeature::GetRootNode() const { return m_document.first_child(); }
pugi::xml_node XMLFeature::GetRootNode() { return m_document.first_child(); }
bool XMLFeature::AttachToParentNode(pugi::xml_node parent) const
{
return !parent.append_copy(GetRootNode()).empty();
}
// static
string XMLFeature::TypeToString(Type type)
{
switch (type)
{
case Type::Unknown: return kUnknownType;
case Type::Node: return kNodeType;
case Type::Way: return kWayType;
case Type::Relation: return kRelationType;
}
UNREACHABLE();
}
// static
XMLFeature::Type XMLFeature::StringToType(string const & type)
{
if (type == kNodeType)
return Type::Node;
if (type == kWayType)
return Type::Way;
if (type == kRelationType)
return Type::Relation;
return Type::Unknown;
}
void ApplyPatch(XMLFeature const & xml, osm::EditableMapObject & object)
{
xml.ForEachName([&object](string const & lang, string const & name) {
object.SetName(name, StringUtf8Multilang::GetLangIndex(lang));
});
string const house = xml.GetHouse();
if (!house.empty())
object.SetHouseNumber(house);
auto const cuisineStr = xml.GetCuisine();
if (!cuisineStr.empty())
{
auto const cuisines = strings::Tokenize(cuisineStr, ";");
object.SetCuisines(cuisines);
}
xml.ForEachTag([&object](string const & k, string const & v) {
// Skip result because we iterate via *all* tags here.
(void)object.UpdateMetadataValue(k, v);
});
}
XMLFeature ToXML(osm::EditableMapObject const & object, bool serializeType)
{
bool const isPoint = object.GetGeomType() == feature::GeomType::Point;
XMLFeature toFeature(isPoint ? XMLFeature::Type::Node : XMLFeature::Type::Way);
if (isPoint)
{
toFeature.SetCenter(object.GetMercator());
}
else
{
auto const & triangles = object.GetTriangesAsPoints();
toFeature.SetGeometry(begin(triangles), end(triangles));
}
object.GetNameMultilang().ForEach(
[&toFeature](uint8_t const & lang, string const & name) { toFeature.SetName(lang, name); });
string const house = object.GetHouseNumber();
if (!house.empty())
toFeature.SetHouse(house);
auto const cuisines = object.GetCuisines();
if (!cuisines.empty())
{
auto const cuisineStr = strings::JoinStrings(cuisines, ";");
toFeature.SetCuisine(cuisineStr);
}
if (serializeType)
{
feature::TypesHolder th = object.GetTypes();
// TODO(mgsergio): Use correct sorting instead of SortBySpec based on the config.
th.SortBySpec();
// TODO(mgsergio): Either improve "OSM"-compatible serialization for more complex types,
// or save all our types directly, to restore and reuse them in migration of modified features.
for (uint32_t const type : th)
{
if (ftypes::IsCuisineChecker::Instance()(type))
continue;
if (ftypes::IsRecyclingTypeChecker::Instance()(type))
continue;
if (ftypes::IsRecyclingCentreChecker::Instance()(type))
{
toFeature.SetTagValue("amenity", "recycling");
toFeature.SetTagValue("recycling_type", "centre");
continue;
}
if (ftypes::IsRecyclingContainerChecker::Instance()(type))
{
toFeature.SetTagValue("amenity", "recycling");
toFeature.SetTagValue("recycling_type", "container");
continue;
}
string const strType = classif().GetReadableObjectName(type);
strings::SimpleTokenizer iter(strType, "-");
string const k = *iter;
if (++iter)
{
// First (main) type is always stored as "k=amenity v=restaurant".
// Any other "k=amenity v=atm" is replaced by "k=atm v=yes".
if (toFeature.GetTagValue(k).empty())
toFeature.SetTagValue(k, *iter);
else
toFeature.SetTagValue(*iter, "yes");
}
else
{
// We're editing building, generic craft, shop, office, amenity etc.
// Skip it's serialization.
// TODO(mgsergio): Correcly serialize all types back and forth.
LOG(LDEBUG, ("Skipping type serialization:", k));
}
}
}
object.ForEachMetadataItem(true /* skipSponsored */,
[&toFeature](string const & tag, string const & value) {
toFeature.SetTagValue(tag, value);
});
return toFeature;
}
bool FromXML(XMLFeature const & xml, osm::EditableMapObject & object)
{
ASSERT_EQUAL(XMLFeature::Type::Node, xml.GetType(),
("At the moment only new nodes (points) can be created."));
object.SetPointType();
object.SetMercator(xml.GetMercatorCenter());
xml.ForEachName([&object](string const & lang, string const & name) {
object.SetName(name, StringUtf8Multilang::GetLangIndex(lang));
});
string const house = xml.GetHouse();
if (!house.empty())
object.SetHouseNumber(house);
auto const cuisineStr = xml.GetCuisine();
if (!cuisineStr.empty())
{
auto const cuisines = strings::Tokenize(cuisineStr, ";");
object.SetCuisines(cuisines);
}
feature::TypesHolder types = object.GetTypes();
Classificator const & cl = classif();
xml.ForEachTag([&](string const & k, string const & v) {
if (object.UpdateMetadataValue(k, v))
return;
// We support multiple semicolon separated cuisines. Cuisines are already processed before this
// loop.
if (k == "cuisine")
return;
// We process recycling_type tag together with "amenity"="recycling" later.
// We currently ignore recycling tag because it's our custom tag and we cannot
// import it to osm directly.
if (k == "recycling" || k == "recycling_type")
return;
uint32_t type = 0;
if (k == "amenity" && v == "recycling")
{
if (xml.HasTag("recycling_type") && xml.GetTagValue("recycling_type") == "centre")
type = ftypes::IsRecyclingCentreChecker::Instance().GetType();
else
type = ftypes::IsRecyclingContainerChecker::Instance().GetType();
}
// Simple heuristics. It works for types converted from osm with short mapcss rules
// where k=v from osm is converted to our k-v type (amenity=restaurant, shop=convenience etc.).
if (type == 0)
type = cl.GetTypeByPathSafe({k, v});
if (type == 0)
type = cl.GetTypeByPathSafe({k}); // building etc.
if (type == 0)
type = cl.GetTypeByPathSafe({"amenity", k}); // atm=yes, toilet=yes etc.
if (type && types.Size() >= feature::kMaxTypesCount)
LOG(LERROR, ("Can't add type:", k, v, ". Types limit exceeded."));
else if (type)
types.Add(type);
else
LOG(LWARNING, ("Can't load/parse type:", k, v));
});
object.SetTypes(types);
return types.Size() > 0;
}
string DebugPrint(XMLFeature const & feature)
{
ostringstream ost;
feature.Save(ost);
return ost.str();
}
string DebugPrint(XMLFeature::Type const type) { return XMLFeature::TypeToString(type); }
} // namespace editor