apply_selector.cpp

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#include "server/selectors/apply_selector.hpp"
#include "server/render_attributes.hpp"
#include "server/style.hpp"
#include "server/rule.hpp"
#include "server/style_template.hpp"
#include "general/geodata.hpp"
#include "general/node.hpp"
#include "general/way.hpp"
#include "general/relation.hpp"
#include "server/tile_identifier.hpp"

ApplySelector::ApplySelector(const shared_ptr<Rule>& rule)
    : Selector(rule, shared_ptr<Selector>())
{
}

void ApplySelector::matchNode(NodeId nodeID, const shared_ptr<TileIdentifier>& ti, RenderAttributes* attributes) const {
    auto entry = attributes->getNodeMap().find(nodeID);
    Style* style;
    if (entry == attributes->getNodeMap().end()) {
        // add a new Style entry
        style = attributes->getNewStyle(nodeID);
    }else{
        style = entry->second;
    }

    // overmerge with the currently existing style
    style->overmerge(geodata->getNode(nodeID), rule.lock()->getStyleTemplate());
}

void ApplySelector::matchWay(WayId wayID, const shared_ptr<TileIdentifier>& ti, RenderAttributes* attributes) const {
    auto entry = attributes->getWayMap().find(wayID);
    Style* style;
    if (entry == attributes->getWayMap().end()) {
        // add a new Style entry
        style = attributes->getNewStyle(wayID);
    }else{
        style = entry->second;
    }

    style->overmerge(geodata->getWay(wayID), rule.lock()->getStyleTemplate());
}

// this should only be reached for relations of type multipolygon
void ApplySelector::matchRelation(RelId relID, const shared_ptr<TileIdentifier>& ti, RenderAttributes* attributes) const {
    auto entry = attributes->getRelationMap().find(relID);
    Style* style;
    if (entry == attributes->getRelationMap().end()) {
        // add a new Style entry
        style = attributes->getNewStyle(relID);
    }else{
        style = entry->second;
    }

    style->overmerge(geodata->getRelation(relID), rule.lock()->getStyleTemplate());
}