blobaccess.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef CORALUTILITIES_BLOBACCESS_H
#define CORALUTILITIES_BLOBACCESS_H
 
#include <string>
#include <memory>
#include <string_view>
#include "nlohmann/json.hpp"
 
class TTree;
class TMemFile;
 
namespace coral {
    class Blob;
}
 
namespace CoralUtilities {
 
    bool compressBlob        (const char*           , coral::Blob&);
    bool writeBlobFromString (const std::string_view, coral::Blob&);
    bool writeBlobFromJson   (const nlohmann::json& , coral::Blob&);
    bool writeBlobFromTTree  (      TTree*          , coral::Blob&);
 
    bool uncompressBlob      (const coral::Blob&, std::unique_ptr<unsigned char[]>&, unsigned long&);
    bool readBlobAsString    (const coral::Blob&, std::string&                   );
    bool readBlobAsJson      (const coral::Blob&, nlohmann::json&                );
    bool readBlobAsTTree(const coral::Blob& blob, std::unique_ptr<TTree>& tree,
                         const std::string_view name = "tree");
 
}
 
#endif