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/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html 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.
=========================================================================*/
#include "gdcmExplicitDataElement.h"
#include "gdcmStringStream.h"
#include "gdcmSwapper.h"
int TestExplicitDataElement1(const uint16_t group,
const uint16_t element,
const char* vr,
const uint32_t vl)
{
const char *str;
std::stringstream ss;
str = reinterpret_cast<const char*>(&group);
ss.write(str, sizeof(group));
str = reinterpret_cast<const char*>(&element);
ss.write(str, sizeof(element));
str = vr;
ss.write(str, 2);
ss.write("\0\0", 2);
str = reinterpret_cast<const char*>(&vl);
ss.write(str, sizeof(vl));
gdcm::ExplicitDataElement de;
if( !de.Read<gdcm::SwapperNoOp>(ss) )
{
std::cerr << de << std::endl;
return 1;
}
if( de.GetTag().GetGroup() != group ||
de.GetTag().GetElement() != element ||
de.GetVL() != vl )
{
std::cerr << de << std::endl;
return 1;
}
std::cout << de << std::endl;
return 0;
}
int TestExplicitDataElement2(const uint16_t group,
const uint16_t element,
const char *vr,
const char *value)
{
const char *str;
const uint32_t vl = strlen(value);
std::stringstream ss;
str = reinterpret_cast<const char*>(&group);
ss.write(str, sizeof(group));
str = reinterpret_cast<const char*>(&element);
ss.write(str, sizeof(element));
str = vr;
ss.write(str, 2);
ss.write("\0\0", 2);
str = reinterpret_cast<const char*>(&vl);
ss.write(str, sizeof(vl));
str = value;
ss.write(str, vl);
gdcm::ExplicitDataElement de;
if( !de.Read<gdcm::SwapperNoOp>(ss) )
{
std::cerr << de << std::endl;
return 1;
}
if( de.GetTag().GetGroup() != group ||
de.GetTag().GetElement() != element ||
de.GetVL() != vl )
{
std::cerr << de << std::endl;
return 1;
}
std::cout << de << std::endl;
return 0;
}
inline void WriteRead(gdcm::DataElement const &w, gdcm::DataElement &r)
{
// w will be written
// r will be read back
std::stringstream ss;
w.Write<gdcm::SwapperNoOp>(ss);
r.Read<gdcm::SwapperNoOp>(ss);
}
int TestExplicitDataElement(int, char *[])
{
const uint16_t group = 0x0010;
const uint16_t element = 0x0012;
const char vr[] = "UN"; // UN => 4bytes vl
const uint32_t vl = 0x0; // 4 bytes
const char value[] = "GDCM";
int r = 0;
r += TestExplicitDataElement1(group, element, vr, vl);
r += TestExplicitDataElement2(group, element, vr, value);
gdcm::ExplicitDataElement de1(gdcm::Tag(0x1234, 0x5678), 0x4321);
gdcm::ExplicitDataElement de2(gdcm::Tag(0x1234, 0x6789), 0x9876);
WriteRead(de1, de2);
if( !(de1 == de2) )
{
std::cerr << de1 << std::endl;
std::cerr << de2 << std::endl;
return 1;
}
return r;
}
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