vtkRowQuery.cxx

/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkRowQuery.cxx

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#include "vtkRowQuery.h"

#include "vtkObjectFactory.h"
#include "vtkStdString.h"
#include "vtksys/stl/algorithm"
#include "vtkVariantArray.h"

#include <ctype.h>


vtkRowQuery::vtkRowQuery()
{
  this->CaseSensitiveFieldNames = false;
}

vtkRowQuery::~vtkRowQuery()
{
}

void vtkRowQuery::PrintSelf(ostream &os, vtkIndent indent)
{
  this->Superclass::PrintSelf(os, indent);
  os << indent << "CaseSensitiveFieldNames: " 
    << this->CaseSensitiveFieldNames << endl;
}

int vtkRowQuery::GetFieldIndex(char* name)
{
  vtkStdString lcSearchName(name);
  vtkstd::transform(lcSearchName.begin(),
                    lcSearchName.end(),
                    lcSearchName.begin(),
                    (int(*)(int))tolower);

  int index;
  bool found = false;
  for (index = 0; index < this->GetNumberOfFields(); index++)
    {
    if (this->CaseSensitiveFieldNames)
      {
      if (!strcmp(name, this->GetFieldName(index)))
        {
        found = true;
        break;
        }
      }
    else
      {
      vtkStdString fieldName(this->GetFieldName(index));
      vtkstd::transform(fieldName.begin(),
                        fieldName.end(),
                        fieldName.begin(),
                        (int(*)(int))tolower);
      if (lcSearchName == fieldName)
        {
        found = true;
        break;
        }
      }
    }
  if (found)
    {
    return index;
    }
  return -1;
}


bool vtkRowQuery::NextRow(vtkVariantArray* rowArray)
{
  if (!this->NextRow())
    {
    return false;
    }
  rowArray->Reset();
  for (int col = 0; col < this->GetNumberOfFields(); col++)
    {
    rowArray->InsertNextValue(this->DataValue(col));
    }
  return true;
}