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50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#pragma once
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#include "platform/location.hpp"
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#include "base/exception.hpp"
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#include "base/macros.hpp"
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#include <fstream>
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#include <functional>
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#include <string>
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#include <vector>
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class GpsTrackStorage final
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{
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public:
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DECLARE_EXCEPTION(OpenException, RootException);
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DECLARE_EXCEPTION(WriteException, RootException);
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DECLARE_EXCEPTION(ReadException, RootException);
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using TItem = location::GpsInfo;
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/// Opens storage with track data.
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/// @param filePath - path to the file on disk
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/// @exception OpenException if seek fails.
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GpsTrackStorage(std::string const & filePath);
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/// Appends new point to the storage
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/// @param items - collection of gps track points.
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/// @exceptions WriteException if write fails or ReadException if read fails.
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void Append(std::vector<TItem> const & items);
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/// Removes all data from the storage
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/// @exceptions WriteException if write fails.
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void Clear();
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/// Reads the storage and calls functor for each item
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/// @param fn - callable function, return true to stop ForEach
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/// @exceptions ReadException if read fails.
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void ForEach(std::function<bool(TItem const & item)> const & fn);
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private:
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DISALLOW_COPY_AND_MOVE(GpsTrackStorage);
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size_t GetFirstItemIndex() const;
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std::string const m_filePath;
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std::fstream m_stream;
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size_t m_itemCount;
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};
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