diff options
Diffstat (limited to 'src/mbgl')
-rw-r--r-- | src/mbgl/style/style.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/mbgl/style/style.cpp b/src/mbgl/style/style.cpp index e55119f9fd..d28963aa64 100644 --- a/src/mbgl/style/style.cpp +++ b/src/mbgl/style/style.cpp @@ -198,6 +198,15 @@ Layer* Style::getLayer(const std::string& id) const { Layer* Style::addLayer(std::unique_ptr<Layer> layer, optional<std::string> before) { // TODO: verify source + // Guard against duplicate layer ids + auto it = std::find_if(layers.begin(), layers.end(), [&](const auto& existing) { + return existing->getID() == layer->getID(); + }); + + if (it != layers.end()) { + throw std::runtime_error(std::string{"Layer "} + layer->getID() + " already exists"); + } + if (SymbolLayer* symbolLayer = layer->as<SymbolLayer>()) { if (!symbolLayer->impl->spriteAtlas) { symbolLayer->impl->spriteAtlas = spriteAtlas.get(); |