Class FolderResourceDatabase

• Defined in File folder_resource_database.h

Inheritance Relationships

Base Type

• public portal::ResourceDatabase (Class ResourceDatabase)

Class Documentation

class FolderResourceDatabase : public portal::ResourceDatabase

Public Functions

~FolderResourceDatabase() override

virtual std::expected<SourceMetadata, DatabaseError> find(StringId resource_id) override

Find metadata for a resource by its ID.

Parameters:

resource_id – StringId of the resource to find

Returns:

SourceMetadata if found, or DatabaseError explaining why lookup failed

virtual DatabaseError add(StringId resource_id, SourceMetadata meta) override

Add a new resource to the database.

Parameters:

• resource_id – StringId for the new resource

• meta – Complete metadata for the resource

Returns:

Success or error flags indicating why the operation failed

virtual DatabaseError remove(StringId resource_id) override

Remove a resource from the database.

Parameters:

resource_id – StringId of the resource to remove

Returns:

Success if removed, NotFound if resource didn’t exist

virtual Reference<resources::ResourceSource> create_source(StringId resource_id, SourceMetadata meta) override

Create a ResourceSource for reading resource data.

Parameters:

• resource_id – StringId of the resource

• meta – Metadata describing the resource

Returns:

Unique pointer to a ResourceSource for reading bytes

virtual resources::DatabaseEntry &get_structure() const override

Public Static Functions

static std::unique_ptr<FolderResourceDatabase> create(const Project &project, const std::filesystem::path &database_path)

Public Static Attributes

static constexpr auto RESOURCE_METADATA_EXTENSION = ".pmeta"

static constexpr auto DATABASE_METADATA_EXTENSION = ".podb"

Protected Functions

FolderResourceDatabase(std::filesystem::path root_path, std::filesystem::path meta_path, DatabaseMetadata metadata)

void populate()

void populate_from_composite(const SourceMetadata &meta)

void add_to_structure(StringId resource_id)

void remove_from_structure(StringId resource_id)

DatabaseError validate()

DatabaseError validate_metadata(const SourceMetadata &meta) const

void mend(DatabaseError error)

void clean_metadata()

virtual StringId get_name() const override

virtual const std::filesystem::path &get_root_path() const override

Protected Static Functions

static void save_meta(const std::filesystem::path &meta_path, DatabaseMetadata &metadata)

static DatabaseMetadata load_meta(const std::filesystem::path &meta_path)