mirror of
https://github.com/OpenFOAM/ThirdParty-6.git
synced 2025-12-08 06:57:43 +00:00
76 lines
2.4 KiB
C++
76 lines
2.4 KiB
C++
/*=========================================================================
|
|
|
|
Program: Visualization Toolkit
|
|
Module: vtkXMLDataHeaderPrivate.h
|
|
|
|
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.
|
|
|
|
=========================================================================*/
|
|
|
|
#ifndef vtkXMLDataHeaderPrivate_DoNotInclude
|
|
# error "do not include unless you know what you are doing"
|
|
#endif
|
|
|
|
#ifndef vtkXMLDataHeaderPrivate_h
|
|
#define vtkXMLDataHeaderPrivate_h
|
|
|
|
#include "vtkType.h"
|
|
#include <vector>
|
|
|
|
// Abstract interface using type vtkTypeUInt64 to access an array
|
|
// of either vtkTypeUInt32 or vtkTypeUInt64. Shared by vtkXMLWriter
|
|
// and vtkXMLDataParser to write/read binary data headers.
|
|
class vtkXMLDataHeader
|
|
{
|
|
public:
|
|
virtual void Resize(size_t count) = 0;
|
|
virtual vtkTypeUInt64 Get(size_t index) const = 0;
|
|
virtual bool Set(size_t index, vtkTypeUInt64 value) = 0;
|
|
virtual size_t WordSize() const = 0;
|
|
virtual size_t WordCount() const = 0;
|
|
virtual unsigned char* Data() = 0;
|
|
size_t DataSize() const { return this->WordCount()*this->WordSize(); }
|
|
virtual ~vtkXMLDataHeader() {}
|
|
static inline vtkXMLDataHeader* New(int width, size_t count);
|
|
};
|
|
|
|
template <typename T>
|
|
class vtkXMLDataHeaderImpl: public vtkXMLDataHeader
|
|
{
|
|
std::vector<T> Header;
|
|
public:
|
|
vtkXMLDataHeaderImpl(size_t n): Header(n, 0) {}
|
|
virtual void Resize(size_t count)
|
|
{ this->Header.resize(count, 0); }
|
|
virtual vtkTypeUInt64 Get(size_t index) const
|
|
{ return this->Header[index]; }
|
|
virtual bool Set(size_t index, vtkTypeUInt64 value)
|
|
{
|
|
this->Header[index] = T(value);
|
|
return vtkTypeUInt64(this->Header[index]) == value;
|
|
}
|
|
virtual size_t WordSize() const { return sizeof(T); }
|
|
virtual size_t WordCount() const { return this->Header.size(); }
|
|
virtual unsigned char* Data()
|
|
{ return reinterpret_cast<unsigned char*>(&this->Header[0]); }
|
|
};
|
|
|
|
vtkXMLDataHeader* vtkXMLDataHeader::New(int width, size_t count)
|
|
{
|
|
switch(width)
|
|
{
|
|
case 32: return new vtkXMLDataHeaderImpl<vtkTypeUInt32>(count);
|
|
case 64: return new vtkXMLDataHeaderImpl<vtkTypeUInt64>(count);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
// VTK-HeaderTest-Exclude: vtkXMLDataHeaderPrivate.h
|