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#include <mbgl/style/conversion/constant.hpp>
#include <mbgl/style/conversion_impl.hpp>
#include <mbgl/style/expression/image.hpp>
namespace mbgl {
namespace style {
namespace expression {
Image::Image(std::string imageID_, bool available_) : imageID(std::move(imageID_)), available(available_) {}
Image::Image(std::string imageID_) : Image(std::move(imageID_), false) {}
Image::Image(const char* imageID_) : Image(std::string(imageID_)) {
assert(imageID_);
}
bool Image::operator==(const Image& other) const {
return imageID == other.imageID && available == other.available;
}
mbgl::Value Image::toValue() const {
return mapbox::base::ValueObject{{"name", imageID}, {"available", available}};
}
const std::string& Image::id() const {
return imageID;
}
bool Image::isAvailable() const {
return available;
}
bool Image::empty() const {
return imageID.empty();
}
} // namespace expression
namespace conversion {
using namespace mbgl::style::expression;
optional<Image> Converter<Image>::operator()(const Convertible& value, Error& error) const {
if (isArray(value)) {
Convertible imageParameters = arrayMember(value, 0);
std::size_t imageParametersLength = arrayLength(imageParameters);
if (imageParametersLength < 1) {
error.message = "Image has to contain an ID.";
return nullopt;
}
optional<std::string> imageID = toString(arrayMember(imageParameters, 0));
if (!imageID) {
error.message = "Image has to contain an ID.";
return nullopt;
}
return Image(*imageID, false);
} else if (optional<std::string> result = toString(value)) {
return Image(*result, false);
} else {
error.message = "Image must be plain string or array type.";
return nullopt;
}
}
} // namespace conversion
} // namespace style
} // namespace mbgl
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