DYT/Tool/OpenSceneGraph-3.6.5/include/draco/io/file_reader_factory.h
2024-12-25 07:49:36 +08:00

35 lines
1020 B
C++

#ifndef DRACO_IO_FILE_READER_FACTORY_H_
#define DRACO_IO_FILE_READER_FACTORY_H_
#include <memory>
#include <string>
#include "draco/io/file_reader_interface.h"
namespace draco {
class FileReaderFactory {
public:
using OpenFunction =
std::unique_ptr<FileReaderInterface> (*)(const std::string &file_name);
FileReaderFactory() = delete;
FileReaderFactory(const FileReaderFactory &) = delete;
FileReaderFactory &operator=(const FileReaderFactory &) = delete;
~FileReaderFactory() = default;
// Registers the OpenFunction for a FileReaderInterface and returns true when
// registration succeeds.
static bool RegisterReader(OpenFunction open_function);
// Passes |file_name| to each OpenFunction until one succeeds. Returns nullptr
// when no reader is found for |file_name|. Otherwise a FileReaderInterface is
// returned.
static std::unique_ptr<FileReaderInterface> OpenReader(
const std::string &file_name);
};
} // namespace draco
#endif // DRACO_IO_FILE_READER_FACTORY_H_