File: HDFScanDataReader.hpp

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#ifndef _BLASR_HDF_SCAN_DATA_READER_HPP_
#define _BLASR_HDF_SCAN_DATA_READER_HPP_

#include <map>
#include <string>

#include <pbdata/Enumerations.h>
#include <hdf/HDFAtom.hpp>
#include <hdf/HDFFile.hpp>
#include <hdf/HDFGroup.hpp>
#include <pbdata/reads/ScanData.hpp>

//
// The SanDataReader cannot live outside

class HDFScanDataReader
{
public:
    bool fileHasScanData, useRunCode;
    HDFGroup scanDataGroup;
    HDFGroup dyeSetGroup;
    HDFGroup acqParamsGroup;
    HDFGroup runInfoGroup;
    bool initializedAcqParamsGroup, initializedRunInfoGroup;
    bool useWhenStarted;
    HDFAtom<std::string> whenStartedAtom;
    HDFAtom<unsigned int> platformIdAtom;
    HDFAtom<float> frameRateAtom;
    HDFAtom<unsigned int> numFramesAtom;
    HDFAtom<std::string> movieNameAtom;
    HDFAtom<std::string> runCodeAtom;
    HDFAtom<std::string> baseMapAtom;
    HDFAtom<std::string> bindingKitAtom;
    HDFAtom<std::string> sequencingKitAtom;

    //
    // It is useful to cache the movie name in the reader since this is
    // loaded once upon initialization, and may be fetched when loading
    // reads one at a time.
    //
    bool useMovieName;
    std::string movieName, runCode;
    PlatformId platformId;

    HDFScanDataReader();

    void Reset();

    int InitializeAcqParamsAtoms();

    //
    // This is created on top of a file that is already opened, so
    // instead of initializing by opening a file, it is initialized by
    // passing the root group that should contain the ScanData group.
    // When shutting down, no file handle needs to be closed.
    //
    int Initialize(HDFGroup *pulseDataGroup);

    std::string GetMovieName();

    // Given a PacBio (pls/plx/bas/bax/ccs/rgn).h5 file, which contains its movie
    // name in group /ScanData/RunInfo attribute MovieName, open the file, return
    // its movie name and finally close the file. Return "" if the movie name
    // does not exist. This is a short path to get movie name.
    std::string GetMovieName_and_Close(std::string &fileName);

    std::string GetRunCode();

    int Read(ScanData &scanData);

    void ReadWhenStarted(std::string &whenStarted);

    PlatformId GetPlatformId();

    int ReadPlatformId(PlatformId &pid);

    /// Reads value of Attribute /ScanData/RunInfo/BindingKit
    int ReadBindingKit(std::string &bindingKit);

    /// Reads value of Attribute /ScanData/RunInfo/SequencingKit
    int ReadSequencingKit(std::string &sequencingKit);

    int LoadMovieName(std::string &movieName);

    int LoadBaseMap(std::map<char, size_t> &baseMap);

    std::map<char, size_t> BaseMap(void) const { return baseMap_; }

    void Close();

private:
    std::map<char, size_t> baseMap_;

    /// Reads value of a string attribute within a HDFGroup.
    /// \returns 1 if succesfully read value of the string attribute, 0 otherwise.
    /// \param[out] attributeValue, value of a string attribute.
    /// \param[in] attributeName, name of the string attribute.
    /// \param[in] group, HDFGroup of the string attribute .
    /// \param[in] atom, initialized HDFAtom obj for reading attribute .
    int ReadStringAttribute(std::string &attributeValue, const std::string &attributeName,
                            HDFGroup &group, HDFAtom<std::string> &atom);
};

#endif