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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkXMLFileReadTester
* @brief Utility class for vtkXMLReader and subclasses.
*
* vtkXMLFileReadTester reads the smallest part of a file necessary to
* determine whether it is a VTK XML file. If so, it extracts the
* file type and version number.
*/
#ifndef vtkXMLFileReadTester_h
#define vtkXMLFileReadTester_h
#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLParser.h"
VTK_ABI_NAMESPACE_BEGIN
class VTKIOXML_EXPORT vtkXMLFileReadTester : public vtkXMLParser
{
public:
vtkTypeMacro(vtkXMLFileReadTester, vtkXMLParser);
void PrintSelf(ostream& os, vtkIndent indent) override;
static vtkXMLFileReadTester* New();
/**
* Try to read the file given by FileName. Returns 1 if the file is
* a VTK XML file, and 0 otherwise.
*/
int TestReadFile();
///@{
/**
* Get the data type of the XML file tested. If the file could not
* be read, returns nullptr.
*/
vtkGetStringMacro(FileDataType);
///@}
///@{
/**
* Get the file version of the XML file tested. If the file could not
* be read, returns nullptr.
*/
vtkGetStringMacro(FileVersion);
///@}
protected:
vtkXMLFileReadTester();
~vtkXMLFileReadTester() override;
void StartElement(const char* name, const char** atts) override;
int ParsingComplete() override;
void ReportStrayAttribute(const char*, const char*, const char*) override {}
void ReportMissingAttribute(const char*, const char*) override {}
void ReportBadAttribute(const char*, const char*, const char*) override {}
void ReportUnknownElement(const char*) override {}
void ReportXmlParseError() override {}
char* FileDataType;
char* FileVersion;
int Done;
vtkSetStringMacro(FileDataType);
vtkSetStringMacro(FileVersion);
private:
vtkXMLFileReadTester(const vtkXMLFileReadTester&) = delete;
void operator=(const vtkXMLFileReadTester&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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