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#ifndef DYNAMIC_DEPTH_INCLUDES_DYNAMIC_DEPTH_APP_INFO_H_ // NOLINT
#define DYNAMIC_DEPTH_INCLUDES_DYNAMIC_DEPTH_APP_INFO_H_ // NOLINT
#include <memory>
#include <string>
#include <unordered_map>
#include "dynamic_depth/element.h"
#include "dynamic_depth/item.h"
#include "xmpmeta/xml/deserializer.h"
#include "xmpmeta/xml/serializer.h"
namespace dynamic_depth {
/**
* A AppInfo element for a Dynamic Depth device.
*/
class AppInfo : public Element {
public:
// Appends child elements' namespaces' and their respective hrefs to the
// given collection, and any parent nodes' names to prefix_names.
// Key: Name of the namespace.
// Value: Full namespace URL.
// Example: ("AppInfo", "http://ns.google.com/photos/dd/1.0/appinfo/")
void GetNamespaces(
std::unordered_map<string, string>* ns_name_href_map) override;
// Serializes this object.
bool Serialize(
::dynamic_depth::xmpmeta::xml::Serializer* serializer) const override;
// Creates an AppInfo from the given fields. Returns null if the version
// field is empty and [item_uri is empty and items is null].
// Params' descriptions:
// application is the name of the application that created the content.
// version is the application's version for the content.
// data is the optional payload associated with the given app. If this field
// is not empty but item_uri is empty or items is null, then the data will
// not be serialized.
// item_uri is the Container URI of the file that contains the content.
// application, and at least one of version or item_uri, must not be
// empty.
// items is the list of items where the serialized data is stored. It is the
// caller's responsibility to use items to construct a Container, and
// ensure that it is serialized along with this Image element. Data will
// not be serialized if this field is null.
static std::unique_ptr<AppInfo> FromData(
const string& application, const string& version, const string& data,
const string& item_uri, std::vector<std::unique_ptr<Item>>* items);
// Returns the deserialized AppInfo; null if parsing fails.
static std::unique_ptr<AppInfo> FromDeserializer(
const ::dynamic_depth::xmpmeta::xml::Deserializer& parent_deserializer,
const string& namespace_str);
// Getters.
const string& GetApplication() const;
const string& GetVersion() const;
const string& GetItemUri() const;
// Disallow copying.
AppInfo(const AppInfo&) = delete;
void operator=(const AppInfo&) = delete;
private:
AppInfo();
bool ParseFields(
const ::dynamic_depth::xmpmeta::xml::Deserializer& deserializer);
// Required.
string application_;
// At least one of version or item_uri must be present.
string version_;
string item_uri_;
};
} // namespace dynamic_depth
#endif // DYNAMIC_DEPTH_INCLUDES_DYNAMIC_DEPTH_APP_INFO_H_ // NOLINT
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