static int replaceData( gdcm::Tag const &t, gdcm::DataSet &ds, const gdcm::DictEntry &entry, char const *str, gdcm::VL::Type const size ) {
gdcm::DataElement de ( t );
de.SetVR( ds.FindDataElement(t) ? ds.GetDataElement(t).GetVR() : entry.GetVR() );
de.SetByteValue( str, size );
ds.Replace( de );
return 1;
}
static int recurseDataSet ( gdcm::DataSet &ds, gdcm::File &F ) {
if ( ds.IsEmpty() ) {return 0;}
static const gdcm::Tag *start = BasicApplicationLevelConfidentialityProfileAttributes;
static const gdcm::Tag *ptr,*end = start + nIDs;
const gdcm::IOD& iod = defs.GetIODFromFile( F );
for(ptr = start; ptr != end; ++ptr) {
const gdcm::Tag &tag = *ptr;
if ( ds.FindDataElement( tag ) ) {
basicProtection( tag, iod.GetTypeFromTag(defs, tag), ds );
}
}
gdcm::DataSet::ConstIterator it = ds.Begin();
for (; it != ds.End() ;) {
gdcm::DataElement de = *it++;
gdcm::VR vr = gdcm::DataSetHelper::ComputeVR( F, ds, de.GetTag() );
gdcm::SmartPointer<gdcm::SequenceOfItems> sqi = 0;
if ( vr == gdcm::VR::SQ && (sqi = de.GetValueAsSQ()) ) {
de.SetValue( *sqi );
de.SetVLToUndefined();
gdcm::SequenceOfItems::SizeType i;
for (i = 1; i <= sqi->GetNumberOfItems(); i++ ) {
gdcm::Item &item = sqi->GetItem( i );
gdcm::DataSet &nested = item.GetNestedDataSet();
recurseDataSet( nested, F );
}
}
ds.Replace( de ); // REPLACE
}
return 1;
}
static int basicProtection ( gdcm::Tag const &tag, const gdcm::Type type, gdcm::DataSet &ds ) {
gdcm::DataElement de = ds.GetDataElement( tag );
if ( canEmpty(tag, type) ) {
de.Empty();
ds.Replace( de );
return 1;
}
gdcm::UIDGenerator uid;
if ( isVRUI(tag) ) {
const gdcm::ByteValue *bv;
const char *oldUID = ( !de.IsEmpty() && (bv = de.GetByteValue()) ) ? bv->GetPointer() : "";
// anonymize UID XXX
const char *newUID = "DUMMY-UID"; //uid.Generate();
de.SetByteValue( newUID, (uint32_t)strlen(newUID) );
} else {
const char *dummy = "DUMMY";
//dummy = ( dummy = gdcm::DummyValueGenerator::Generate( "" ) ) "";
// anonymize non-UID XXX
de.SetByteValue( dummy, (uint32_t)strlen(dummy) );
}
ds.Replace( de );
return 1;
}
static ::gdcmIO::container::DicomCodedAttribute readCodeSequence(const ::gdcm::DataSet & dataset)
{
::gdcmIO::container::DicomCodedAttribute codedAttributes;
if ( !dataset.FindDataElement(::gdcm::Tag(GROUP,ELEMENT)))
{
// Return empty coded attributes
return codedAttributes;
}
::gdcm::SmartPointer< ::gdcm::SequenceOfItems > sequence =
dataset.GetDataElement(::gdcm::Tag(GROUP,ELEMENT)).GetValueAsSQ();
if (sequence->GetNumberOfItems() == 0) // One Item shall be permitted
{
// Return empty coded attributes
return codedAttributes;
}
const ::gdcm::DataSet& itemDataset = sequence->GetItem(1).GetNestedDataSet();
// Code value - Type 1
codedAttributes.setCodeValue(DicomData::getTrimmedTagValue<0x0008,0x0100>(itemDataset));
// Coding Scheme Designator - Type 1
codedAttributes.setCodingSchemeDesignator(DicomData::getTrimmedTagValue<0x0008,0x0102>(itemDataset));
// Coding Scheme Version - Type 1C
codedAttributes.setCodingSchemeVersion(DicomData::getTrimmedTagValue<0x0008,0x0103>(itemDataset));
// Code Meaning - Type 1
codedAttributes.setCodeMeaning(DicomData::getTrimmedTagValue<0x0008,0x0104>(itemDataset));
return codedAttributes;
}
static int lreplace( gdcm::Tag const &t, const char *value, gdcm::VL const & vl, gdcm::DataSet &ds ) {
if ( t.GetGroup() < 0x0008 ) return 0;
if ( t.IsPrivate() && vl == 0 && ds.FindDataElement( t ) ) {
gdcm::DataElement de ( ds.GetDataElement( t ) );
if ( de.GetVR() != gdcm::VR::INVALID ) {
if ( de.GetVR() == gdcm::VR::SQ && *value == 0 )
{ return emptyData( t, ds ); } // Only allowed operation for a Private Tag
else { return 0; } //Trying to replace value of a Private Tag
}
de.SetByteValue( "", 0 );
ds.Insert( de );
return 1;
} else {
const gdcm::DictEntry &entry = dicts.GetDictEntry( t );
if ( entry.GetVR() == gdcm::VR::INVALID || entry.GetVR() == gdcm::VR::UN )
{ return 0; }
if ( entry.GetVR() == gdcm::VR::SQ && vl == 0 && value && *value == 0 )
{ return emptyData( t, ds ); }
else if ( entry.GetVR() && gdcm::VR::VRBINARY && vl == 0 )
{ return replaceData( t, ds, entry, "", 0 ); }
else { // ASCII
if ( value ) {
std::string padded( value, vl);
if ( vl.IsOdd() && (entry.GetVR() != gdcm::VR::UI) ) { padded += " "; }
return replaceData( t, ds, entry, padded.c_str(), (gdcm::VL::Type)padded.size() );
}
}
}
return 0;
}
static int emptyData( gdcm::Tag const &t, gdcm::DataSet &ds ) {
gdcm::DataElement de( t );
de.SetVR( gdcm::VR::SQ );
ds.Replace( de );
return 1;
}
