MRUniqueTemporaryFolder.h

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#pragma once
 
#include "MRMeshFwd.h"
 
#include <filesystem>
 
namespace MR
{
 

using FolderCallback = std::function<void( const std::filesystem::path& tempFolderName )>;

class UniqueTemporaryFolder
{
public:
    MRMESH_API UniqueTemporaryFolder( FolderCallback onPreTempFolderDelete = {} );

    MRMESH_API ~UniqueTemporaryFolder();
 
    UniqueTemporaryFolder( const UniqueTemporaryFolder& ) = delete;
    UniqueTemporaryFolder( UniqueTemporaryFolder&& ) noexcept = default;
 
    UniqueTemporaryFolder & operator = ( const UniqueTemporaryFolder& ) = delete;
    UniqueTemporaryFolder & operator = ( UniqueTemporaryFolder&& ) noexcept = default;
 
    explicit operator bool() const
    {
        return !folder_.empty();
    }
    operator const std::filesystem::path& ( ) const
    {
        return folder_;
    }
    std::filesystem::path operator /( const std::filesystem::path& child ) const
    {
        return folder_ / child;
    }
 
private:
    std::filesystem::path folder_;
    FolderCallback onPreTempFolderDelete_;
};
 
}