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#include "dynamic_depth/cameras.h"
#include "android-base/logging.h"
#include "dynamic_depth/const.h"
using ::dynamic_depth::xmpmeta::xml::Deserializer;
using ::dynamic_depth::xmpmeta::xml::Serializer;
namespace dynamic_depth {
const char kNodeName[] = "Cameras";
const char kCameraName[] = "Camera";
// Private constructor.
Cameras::Cameras() {}
// Public methods.
void Cameras::GetNamespaces(
std::unordered_map<string, string>* ns_name_href_map) {
if (ns_name_href_map == nullptr || camera_list_.empty()) {
LOG(ERROR) << "Namespace list is null or camera list is empty";
return;
}
for (const auto& camera : camera_list_) {
camera->GetNamespaces(ns_name_href_map);
}
}
std::unique_ptr<Cameras> Cameras::FromCameraArray(
std::vector<std::unique_ptr<Camera>>* camera_list) {
if (camera_list == nullptr || camera_list->empty()) {
LOG(ERROR) << "Camera list is empty";
return nullptr;
}
std::unique_ptr<Cameras> cameras(new Cameras());
cameras->camera_list_ = std::move(*camera_list);
return cameras;
}
std::unique_ptr<Cameras> Cameras::FromDeserializer(
const Deserializer& parent_deserializer) {
std::unique_ptr<Cameras> cameras(new Cameras());
int i = 0;
std::unique_ptr<Deserializer> deserializer =
parent_deserializer.CreateDeserializerFromListElementAt(
DynamicDepthConst::Namespace(kNodeName), kNodeName, 0);
while (deserializer) {
std::unique_ptr<Camera> camera = Camera::FromDeserializer(*deserializer);
if (camera == nullptr) {
LOG(ERROR) << "Unable to deserialize a camera";
return nullptr;
}
cameras->camera_list_.emplace_back(std::move(camera));
deserializer = parent_deserializer.CreateDeserializerFromListElementAt(
DynamicDepthConst::Namespace(kNodeName), kNodeName, ++i);
}
if (cameras->camera_list_.empty()) {
return nullptr;
}
return cameras;
}
const std::vector<const Camera*> Cameras::GetCameras() const {
std::vector<const Camera*> camera_list;
for (const auto& camera : camera_list_) {
camera_list.push_back(camera.get());
}
return camera_list;
}
bool Cameras::Serialize(Serializer* serializer) const {
if (camera_list_.empty()) {
LOG(ERROR) << "Camera list is empty";
return false;
}
std::unique_ptr<Serializer> cameras_serializer =
serializer->CreateListSerializer(DynamicDepthConst::Namespace(kNodeName),
kNodeName);
if (cameras_serializer == nullptr) {
// Error is logged in Serializer.
return false;
}
for (int i = 0; i < camera_list_.size(); i++) {
std::unique_ptr<Serializer> camera_serializer =
cameras_serializer->CreateItemSerializer(
DynamicDepthConst::Namespace(kCameraName), kCameraName);
if (camera_serializer == nullptr) {
LOG(ERROR) << "Could not create a list item serializer for Camera";
return false;
}
if (!camera_list_[i]->Serialize(camera_serializer.get())) {
LOG(ERROR) << "Could not serialize camera " << i;
return false;
}
}
return true;
}
} // namespace dynamic_depth
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