-// gdcmDocEntry.cxx
-//-----------------------------------------------------------------------------
-//
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmDocEntry.cxx,v $
+ Language: C++
+ Date: $Date: 2004/08/31 14:24:47 $
+ Version: $Revision: 1.16 $
+
+ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
+ l'Image). All rights reserved. See Doc/License.txt or
+ http://www.creatis.insa-lyon.fr/Public/Gdcm/License.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 notices for more information.
+
+=========================================================================*/
#include "gdcmDocEntry.h"
#include "gdcmTS.h"
* \brief Constructor from a given gdcmDictEntry
* @param in Pointer to existing dictionary entry
*/
-gdcmDocEntry::gdcmDocEntry(gdcmDictEntry* in) {
+gdcmDocEntry::gdcmDocEntry(gdcmDictEntry* in)
+{
ImplicitVR = false;
- entry = in;
-}
-
-void gdcmDocEntry::Print(std::ostream & os) {
- std::ostringstream s;
- s << std::endl;
- PrintCommonPart(os);
- os << s.str();
+ DictEntry = in;
}
//-----------------------------------------------------------------------------
/**
* \ingroup gdcmDocEntry
* \brief Prints the common part of gdcmValEntry, gdcmBinEntry, gdcmSeqEntry
+ * @param os ostream we want to print in
*/
-void gdcmDocEntry::PrintCommonPart(std::ostream & os) {
-
- printLevel=2; // FIXME
+void gdcmDocEntry::Print(std::ostream & os)
+{
+ PrintLevel = 2; // FIXME
size_t o;
unsigned short int g, e;
TSKey v;
std::string d2, vr;
std::ostringstream s;
- guint32 lgth;
+ uint32_t lgth;
char greltag[10]; //group element tag
g = GetGroup();
sprintf(greltag,"%04x|%04x ",g,e);
s << greltag ;
- if (printLevel>=2) {
+ if (PrintLevel >= 2)
+ {
s << "lg : ";
lgth = GetReadLength(); // ReadLength, as opposed to UsableLength
- if (lgth == 0xffffffff) {
+ if (lgth == 0xffffffff)
+ {
sprintf(st,"x(ffff)"); // I said : "x(ffff)" !
s.setf(std::ios::left);
s << std::setw(10-strlen(st)) << " ";
s << st << " ";
s.setf(std::ios::left);
s << std::setw(8) << "-1";
- } else {
+ }
+ else
+ {
sprintf(st,"x(%x)",lgth);
s.setf(std::ios::left);
s << std::setw(10-strlen(st)) << " ";
s << "[" << vr << "] ";
- if (printLevel>=1) {
+ if (PrintLevel >= 1)
+ {
s.setf(std::ios::left);
s << std::setw(66-GetName().length()) << " ";
}
os << s.str();
}
+/**
+ * \ingroup gdcmDocEntry
+ * \brief Writes the common part of any gdcmValEntry, gdcmBinEntry, gdcmSeqEntry
+ * @param fp already open file pointer
+ * @param filetype type of the file to be written
+ */
+void gdcmDocEntry::Write(FILE *fp, FileType filetype)
+{
+ uint32_t FFFF = 0xffffffff;
+ uint16_t group = GetGroup();
+ gdcmVRKey vr = GetVR();
+ uint16_t el = GetElement();
+ uint32_t lgr = GetReadLength();
+
+ if ( group == 0xfffe && el == 0x0000 )
+ {
+ // Fix in order to make some MR PHILIPS images e-film readable
+ // see gdcmData/gdcm-MR-PHILIPS-16-Multi-Seq.dcm:
+ // we just *always* ignore spurious fffe|0000 tag !
+ return;
+ }
+
+//
+// ----------- Writes the common part
+//
+ fwrite ( &group,(size_t)2 ,(size_t)1 ,fp); //group
+ fwrite ( &el, (size_t)2 ,(size_t)1 ,fp); //element
+
+ if ( filetype == gdcmExplicitVR )
+ {
+ // Special case of delimiters:
+ if (group == 0xfffe)
+ {
+ // Delimiters have NO Value Representation
+ // Hence we skip writing the VR.
+ // In order to avoid further troubles, we choose to write them
+ // as 'no-length' Item Delimitors (we pad by writing 0xffffffff)
+ // The end of a given Item will be found when :
+ // - a new Item Delimitor Item is encountered (the Seq goes on)
+ // - a Sequence Delimitor Item is encountered (the Seq just ended)
+
+ // TODO : verify if the Sequence Delimitor Item was forced during Parsing
+
+ int ff = 0xffffffff;
+ fwrite (&ff,(size_t)4 ,(size_t)1 ,fp);
+ return;
+ }
+
+ uint16_t z = 0;
+ uint16_t shortLgr = lgr;
+
+ if (vr == "unkn")
+ {
+ // Unknown was 'written'
+ // deal with Little Endian
+ fwrite ( &shortLgr,(size_t)2 ,(size_t)1 ,fp);
+ fwrite ( &z, (size_t)2 ,(size_t)1 ,fp);
+ }
+ else
+ {
+ fwrite (vr.c_str(),(size_t)2 ,(size_t)1 ,fp);
+
+ if ( (vr == "OB") || (vr == "OW") || (vr == "SQ") || (vr == "UN") )
+ {
+ fwrite ( &z, (size_t)2 ,(size_t)1 ,fp);
+ if (vr == "SQ")
+ {
+ // we set SQ length to ffffffff
+ // and we shall write a Sequence Delimitor Item
+ // at the end of the Sequence!
+ fwrite ( &FFFF,(size_t)4 ,(size_t)1 ,fp);
+ }
+ else
+ {
+ fwrite ( &lgr,(size_t)4 ,(size_t)1 ,fp);
+ }
+ }
+ else
+ {
+ fwrite ( &shortLgr,(size_t)2 ,(size_t)1 ,fp);
+ }
+ }
+ }
+ else // IMPLICIT VR
+ {
+ if (vr == "SQ")
+ {
+ fwrite ( &FFFF,(size_t)4 ,(size_t)1 ,fp);
+ }
+ else
+ {
+ fwrite ( &lgr,(size_t)4 ,(size_t)1 ,fp);
+ }
+ }
+}
+
//-----------------------------------------------------------------------------
// Public
* \ingroup gdcmDocEntry
* \brief Gets the full length of the elementary DocEntry (not only value length)
*/
-guint32 gdcmDocEntry::GetFullLength(void) {
- guint32 l;
- l = GetReadLength();
- if ( IsImplicitVR() )
+uint32_t gdcmDocEntry::GetFullLength()
+{
+ uint32_t l = GetReadLength();
+ if ( IsImplicitVR() )
+ {
l = l + 8; // 2 (gr) + 2 (el) + 4 (lgth)
- else
+ }
+ else
+ {
if ( GetVR()=="OB" || GetVR()=="OW" || GetVR()=="SQ" )
+ {
l = l + 12; // 2 (gr) + 2 (el) + 2 (vr) + 2 (unused) + 4 (lgth)
+ }
else
+ {
l = l + 8; // 2 (gr) + 2 (el) + 2 (vr) + 2 (lgth)
- return(l);
+ }
+ }
+ return l;
}
/**
* \ingroup gdcmDocEntry
* \brief Copies all the attributes from an other DocEntry
*/
-
-void gdcmDocEntry::Copy (gdcmDocEntry* e) {
- this->entry = e->entry;
- this->UsableLength = e->UsableLength;
- this->ReadLength = e->ReadLength;
- this->ImplicitVR = e->ImplicitVR;
- this->Offset = e->Offset;
- this->printLevel = e->printLevel;
+void gdcmDocEntry::Copy (gdcmDocEntry* e)
+{
+ DictEntry = e->DictEntry;
+ UsableLength = e->UsableLength;
+ ReadLength = e->ReadLength;
+ ImplicitVR = e->ImplicitVR;
+ Offset = e->Offset;
+ PrintLevel = e->PrintLevel;
// TODO : remove gdcmDocEntry SQDepth
}
-bool gdcmDocEntry::isItemDelimitor() {
- if ( (GetGroup() == 0xfffe) && (GetElement() == 0xe00d) )
- return true;
- else
- return false;
+/**
+ * \ingroup gdcmDocEntry
+ * \brief tells us if entry is the last one of a 'no length' SequenceItem
+ * (fffe,e00d)
+ */
+bool gdcmDocEntry::IsItemDelimitor()
+{
+ return (GetGroup() == 0xfffe && GetElement() == 0xe00d);
}
-
-bool gdcmDocEntry::isSequenceDelimitor() {
- if (GetGroup() == 0xfffe && GetElement() == 0xe0dd)
- return true;
- else
- return false;
+/**
+ * \ingroup gdcmDocEntry
+ * \brief tells us if entry is the last one of a 'no length' Sequence
+ * (fffe,e0dd)
+ */
+bool gdcmDocEntry::IsSequenceDelimitor()
+{
+ return (GetGroup() == 0xfffe && GetElement() == 0xe0dd);
}
//-----------------------------------------------------------------------------