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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 "gdcmPrivateTag.h"
#include "gdcmTrace.h"
#include "gdcmSystem.h" // FIXME
#include <stdio.h> // sscanf
#include <limits> // numeric_limits
namespace gdcm
{
bool PrivateTag::ReadFromCommaSeparatedString(const char *str)
{
if( !str ) return false;
unsigned int group = 0, element = 0;
std::string owner;
owner.resize( strlen(str) ); // str != NULL
if( sscanf(str, "%04x,%04x,%[^\"]", &group , &element, &owner[0] ) != 3
|| group > std::numeric_limits<uint16_t>::max()
|| element > std::numeric_limits<uint16_t>::max()
/*|| strlen(owner.c_str()) == 0*/ ) // can't use owner.empty()
{
gdcmDebugMacro( "Problem reading Private Tag: " << str );
return false;
}
SetGroup( (uint16_t)group );
// This is not considered an error to specify element as 1010 for example.
// just keep the lower bits of element:
SetElement( (uint8_t)element );
SetOwner( owner.c_str() );
if( !*GetOwner() )
{
gdcmDebugMacro( ": " << str );
return false;
}
return true;
}
bool PrivateTag::operator<(const PrivateTag &_val) const
{
const Tag & t1 = *this;
const Tag & t2 = _val;
if( t1 == t2 )
{
const char *s1 = Owner.c_str();
const char *s2 = _val.GetOwner();
assert( s1 );
assert( s2 );
if( *s1 )
assert( s1[strlen(s1)-1] != ' ' );
if( *s2 )
assert( s2[strlen(s2)-1] != ' ' );
bool res = strcmp(s1, s2) < 0;
#ifdef DEBUG_DUPLICATE
if( *s1 && *s2 && gdcm::System::StrCaseCmp(s1,s2) == 0 && strcmp(s1,s2) != 0 )
{
// FIXME:
// Typically this should only happen with the "Philips MR Imaging DD 001" vs "PHILIPS MR IMAGING DD 001"
// or "Philips Imaging DD 001" vr "PHILIPS IMAGING DD 001"
//assert( strcmp(Owner.c_str(), _val.GetOwner()) == 0 );
//return true;
const bool res2 = gdcm::System::StrCaseCmp(s1,s2) < 0;
res = res2;
assert( 0 );
}
#endif
return res;
}
else return t1 < t2;
}
DataElement PrivateTag::GetAsDataElement() const
{
DataElement de;
de.SetTag( *this );
de.SetVR( VR::LO );
std::string copy = Owner;
if( copy.size() % 2 ) copy.push_back( ' ' );
de.SetByteValue( copy.c_str(), (uint32_t)copy.size() );
return de;
}
} // end namespace gdcm
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