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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkDirectory_h
#define itkDirectory_h
#include "itkObject.h"
#include "itksys/Directory.hxx"
namespace itk
{
/** \class Directory
* \brief Portable directory/filename traversal.
*
* itk::Directory provides a portable way of finding the names of the files
* in a system directory.
*
* itk::Directory works with Windows and Unix (POSIX) operating systems.
* \ingroup OSSystemObjects
*
* See also itksys::Directory
* \ingroup ITKCommon
*/
class ITKCommon_EXPORT Directory : public Object
{
public:
ITK_DISALLOW_COPY_AND_MOVE(Directory);
/** Standard class type aliases. */
using Self = Directory;
using Superclass = Object;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
static Pointer
New()
{
Pointer n = new Self;
n->UnRegister();
return n;
}
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(Directory);
/** Load the specified directory and load the names of the files
* in that directory. 0 is returned if the directory can not be
* opened, 1 if it is opened. */
bool
Load(const char * dir);
/** Return the number of files in the current directory. */
std::vector<std::string>::size_type
GetNumberOfFiles();
/** Return the file at the given index, the indexing is 0 based */
const char *
GetFile(unsigned int index);
protected:
Directory();
~Directory() override;
void
PrintSelf(std::ostream & os, Indent indent) const override;
private:
::itksys::Directory m_Internal;
}; // End Class: Directory
} // end namespace itk
#endif
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