CallbackDocumentScrub.cpp

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/******************************************************************************************************
 * (C) 2018 markummitchell@github.com. This file is part of Engauge Digitizer, which is released      *
 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission.     *
 ******************************************************************************************************/
 
#include "CallbackDocumentScrub.h"
#include "CallbackSearchReturn.h"
#include "Point.h"
#include <QStringList>
 
extern const QString AXIS_CURVE_NAME;
 
CallbackDocumentScrub::CallbackDocumentScrub () :
  m_success (true)
{
}
 
QString CallbackDocumentScrub::badPointName () const
{
  return m_badPointName;
}
 
CallbackSearchReturn CallbackDocumentScrub::callback (const QString & /* curveName */,
                                                      const Point &point)
{
  QString identifier = point.identifier ();
 
  QStringList fields = identifier.split (POINT_IDENTIFIER_DELIMITER_SAFE);
 
  bool successBefore = m_success;
 
  // Required format is defined by Point::temporaryPointIdentifier and Point::uniqueIdentifierGenerator
  if (fields.size () == 2) {
 
    // Temporary point
    bool isLastNumeric = true;
    fields [1].toInt (&isLastNumeric);
    if (fields [0] != AXIS_CURVE_NAME ||
        !isLastNumeric) {
 
      m_success = false;
 
    }
 
  } else if (fields.size () == 3) {
 
    // Regular point
    bool isLastNumeric = true;
    fields [2].toInt (&isLastNumeric);
    if (!isLastNumeric) {
 
      m_success = false;
 
    }
 
  } else {
 
    // Unexpected number of arguments
    m_success = false;
 
  }
 
  if (!m_success && successBefore) {
    m_badPointName = point.identifier ();
  }
 
  return (m_success ? CALLBACK_SEARCH_RETURN_CONTINUE :
                      CALLBACK_SEARCH_RETURN_INTERRUPT);
}
 
bool CallbackDocumentScrub::success () const
{
  return m_success;
}