vtkResourceFileLocator.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkResourceFileLocator_h
#define vtkResourceFileLocator_h
 
#include "vtkCommonMiscModule.h" // For export macro
#include "vtkObject.h"
 
#include <string> // needed for std::string
#include <vector> // needed for std::vector
 
VTK_ABI_NAMESPACE_BEGIN
class VTKCOMMONMISC_EXPORT vtkResourceFileLocator : public vtkObject
{
public:
  static vtkResourceFileLocator* New();
  vtkTypeMacro(vtkResourceFileLocator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkSetMacro(LogVerbosity, int);
  vtkGetMacro(LogVerbosity, int);
 
 
  virtual std::string Locate(const std::string& anchor, const std::string& landmark,
    const std::string& defaultDir = std::string());
 
 
  virtual std::string Locate(const std::string& anchor,
    const std::vector<std::string>& landmark_prefixes, const std::string& landmark,
    const std::string& defaultDir = std::string());
 
 
  static VTK_FILEPATH std::string GetLibraryPathForSymbolUnix(const char* symbolname);
  static VTK_FILEPATH std::string GetLibraryPathForSymbolWin32(const void* fptr);
 
protected:
  vtkResourceFileLocator();
  ~vtkResourceFileLocator() override;
 
private:
  vtkResourceFileLocator(const vtkResourceFileLocator&) = delete;
  void operator=(const vtkResourceFileLocator&) = delete;
 
  int LogVerbosity;
};
 
// Wrap the input as an argument, this will force expansion
// if the input is a macro itself
#define _vtkGetSymbolNameAsString(x) _vtkGetSymbolNameAsString_I((x))
// Unwrap the expanded input
#define _vtkGetSymbolNameAsString_I(x) _vtkGetSymbolNameAsString_II x
// Stringify the epanded contents
#define _vtkGetSymbolNameAsString_II(...) #__VA_ARGS__
 
#if defined(_WIN32) && !defined(__CYGWIN__)
#define vtkGetLibraryPathForSymbol(function)                                                       \
  vtkResourceFileLocator::GetLibraryPathForSymbolWin32(reinterpret_cast<const void*>(&function))
#else
#define vtkGetLibraryPathForSymbol(function)                                                       \
  vtkResourceFileLocator::GetLibraryPathForSymbolUnix(_vtkGetSymbolNameAsString(function))
#endif
 
VTK_ABI_NAMESPACE_END
#endif