libcryfs/impl/DirBlob.h

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#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 <memory>
#include <vector>
namespace cryfs{
class DirBlob {
public:
DirBlob(std::unique_ptr<blobstore::Blob> blob);
virtual ~DirBlob();
void InitializeEmptyDir();
std::unique_ptr<std::vector<std::string>> GetChildren() const;
void AddChild(const std::string &name, const blockstore::Key &blobKey);
blockstore::Key GetBlobKeyForName(const std::string &name) const;
static bool IsDir(const blobstore::Blob &blob);
private:
unsigned char magicNumber() const;
static const unsigned char magicNumber(const blobstore::Blob &blob);
const char *readAndAddNextChild(const char *pos, std::vector<std::string> *result) const;
std::unique_ptr<blobstore::Blob> _blob;
DISALLOW_COPY_AND_ASSIGN(DirBlob);
};
}
#endif