TrackingTable.cpp

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#include "TrackingTable.h"

#include <QList>
#include <QString>

#include "FileName.h"
#include "IException.h"
#include "Pvl.h"
#include "SpecialPixel.h"
#include "Table.h"
#include "TableField.h"
#include "TableRecord.h"

using namespace std;
namespace Isis {


  TrackingTable::TrackingTable() {

  }


  TrackingTable::TrackingTable(Table table) {

    for (int i=0; i < table.Records(); i++) {
      TableRecord record = table[i];
      QString nameField = QString(record["FileName"]).split("/").last();
      QString extension(FileName(nameField).extension());
      int found = nameField.lastIndexOf(extension);
      if (found != -1) {
        // clear the packing characters - get only the file name
        nameField.remove(found + 3);
      }
      FileName fileName(nameField);
      QString serialNumber = QString(record["SerialNumber"]);
      m_fileList.append(QPair<FileName, QString>(fileName, serialNumber));
    }
  }


  TrackingTable::~TrackingTable() {

  }


  Table TrackingTable::toTable() {

    // Begin by establishing the length of the fields within the table. This would be the longest
    // length that is needed to be stored.
    int fieldLength = 0;

    for (int i=0; i < m_fileList.size(); i++) {
      if (m_fileList[i].first.name().length() > fieldLength) {
        fieldLength = m_fileList[i].first.name().length();
      }
      if (m_fileList[i].second.length() > fieldLength) {
        fieldLength = m_fileList[i].second.length();
      }
    }

    // This record is never being used. It is simply to construct the Table object.
    TableRecord dummyRecord;
    TableField fileNameField("FileName", TableField::Text, fieldLength);
    TableField serialNumberField("SerialNumber", TableField::Text, fieldLength);
    TableField indexField("PixelValue", TableField::Integer);
    dummyRecord += fileNameField;
    dummyRecord += serialNumberField;
    dummyRecord += indexField;
    Table table(trackingTableName, dummyRecord);

    // Loop through m_fileList and add records to the table with the proper information.
    for (int i=0; i < m_fileList.size(); i++) {

      fileNameField = m_fileList[i].first.name();
      serialNumberField = m_fileList[i].second;
      indexField = (int) (i + VALID_MINUI4);

      TableRecord record;
      record += fileNameField;
      record += serialNumberField;
      record += indexField;

      table += record;

    }

    return table;
  }


  FileName TrackingTable::pixelToFileName(unsigned int pixel) {
    if (pixel < VALID_MINUI4) {
      QString msg = "Cannot convert pixel [" + toString(pixel)
                  + "] to a filename, pixel is below valid minimum ["
                  + toString(VALID_MINUI4) + "].";
      throw IException(IException::Programmer, msg, _FILEINFO_);
    }

    unsigned int index = pixel - VALID_MINUI4;
    if (index >= (unsigned int)m_fileList.size()) {
      QString msg = "Cannot convert pixel [" + toString(pixel)
                  + "] to a filename, pixel is above valid maximum ["
                  + toString(VALID_MINUI4 + m_fileList.size()) + "].";
      throw IException(IException::Programmer, msg, _FILEINFO_);
    }

    return m_fileList[index].first;
  }


  unsigned int TrackingTable::fileNameToPixel(FileName file, QString serialNumber) {
    for (int i = 0; i < m_fileList.size(); i++) {
      if (QString::compare(m_fileList[i].first.toString(), file.name()) == 0) {
        return i + VALID_MINUI4;
      }
    }

    // At this point, the file is not in the internal file list so append it
    // and return its new index.
    m_fileList.append(QPair<FileName, QString>(file, serialNumber));
    return m_fileList.size() - 1 + VALID_MINUI4;
  }


  QString TrackingTable::pixelToSN(unsigned int pixel) {
    if (pixel < VALID_MINUI4) {
      QString msg = "Cannot convert pixel [" + toString(pixel)
                  + "] to a serial number, pixel is below valid minimum ["
                  + toString(VALID_MINUI4) + "].";
      throw IException(IException::Programmer, msg, _FILEINFO_);
    }

    unsigned int index = pixel - VALID_MINUI4;
    if (index >= (unsigned int)m_fileList.size()) {
      QString msg = "Cannot convert pixel [" + toString(pixel)
                  + "] to a serial number, pixel is above valid maximum ["
                  + toString(VALID_MINUI4 + m_fileList.size()) + "].";
      throw IException(IException::Programmer, msg, _FILEINFO_);
    }

    return m_fileList[index].second;
  }


  int TrackingTable::fileNameToIndex(FileName file, QString serialNumber) {
    for (int i = 0; i < m_fileList.size(); i++) {
      if (m_fileList[i].first == file) {
        return i;
      }
    }

    // At this point, the file is not in the internal file list so append it
    // and return its new index.
    m_fileList.append(QPair<FileName, QString>(file, serialNumber));
    return m_fileList.size() - 1;
  }
}