libcryfs/impl/DirBlob.h

44 lines
1.2 KiB
C++

#pragma once
#ifndef CRYFS_LIB_IMPL_DIRBLOB_H_
#define CRYFS_LIB_IMPL_DIRBLOB_H_
#include <messmer/blobstore/interface/Blob.h>
#include <messmer/blockstore/utils/Key.h>
#include "messmer/cpp-utils/macros.h"
#include <messmer/fspp/fs_interface/Dir.h>
#include <memory>
#include <vector>
namespace cryfs{
class DirBlob {
public:
static std::unique_ptr<DirBlob> InitializeEmptyDir(std::unique_ptr<blobstore::Blob> blob);
DirBlob(std::unique_ptr<blobstore::Blob> blob);
virtual ~DirBlob();
std::unique_ptr<std::vector<fspp::Dir::Entry>> GetChildren() const;
//TODO Use struct instead of pair
std::pair<fspp::Dir::EntryType, blockstore::Key> GetChild(const std::string &name) const;
void AddChildDir(const std::string &name, const blockstore::Key &blobKey);
void AddChildFile(const std::string &name, const blockstore::Key &blobKey);
private:
unsigned char magicNumber() const;
void AddChild(const std::string &name, const blockstore::Key &blobKey, fspp::Dir::EntryType type);
const char *readAndAddNextChild(const char *pos, std::vector<fspp::Dir::Entry> *result) const;
const char *getStartingPosOfEntry(const char *pos, const std::string &name) const;
std::unique_ptr<blobstore::Blob> _blob;
DISALLOW_COPY_AND_ASSIGN(DirBlob);
};
}
#endif