1 /*=========================================================================
4 Module: $RCSfile: gdcmDicomDir.cxx,v $
6 Date: $Date: 2005/01/07 19:20:38 $
7 Version: $Revision: 1.94 $
9 Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
10 l'Image). All rights reserved. See Doc/License.txt or
11 http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
13 This software is distributed WITHOUT ANY WARRANTY; without even
14 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 PURPOSE. See the above copyright notices for more information.
17 =========================================================================*/
19 #include "gdcmDicomDir.h"
20 #include "gdcmDicomDirStudy.h"
21 #include "gdcmDicomDirSerie.h"
22 #include "gdcmDicomDirImage.h"
23 #include "gdcmDicomDirPatient.h"
24 #include "gdcmDicomDirMeta.h"
25 #include "gdcmDicomDirElement.h"
26 #include "gdcmDirList.h"
28 #include "gdcmDebug.h"
29 #include "gdcmGlobal.h"
30 #include "gdcmHeader.h"
31 #include "gdcmSeqEntry.h"
32 #include "gdcmSQItem.h"
33 #include "gdcmValEntry.h"
38 #include <sys/types.h>
41 #define getcwd _getcwd
44 #if defined( _MSC_VER) || defined(__BORLANDC__)
53 //-----------------------------------------------------------------------------
54 // For full DICOMDIR description, see:
55 // PS 3.3-2003, pages 731-750
56 //-----------------------------------------------------------------------------
57 // Constructor / Destructor
61 * \brief Constructor : creates an empty DicomDir
66 Initialize(); // sets all private fields to NULL
67 MetaElems = NewMeta();
71 * \brief Constructor Parses recursively the directory and creates the DicomDir
72 * or uses an already built DICOMDIR, depending on 'parseDir' value.
73 * @param fileName name
74 * - of the root directory (parseDir = true)
75 * - of the DICOMDIR (parseDir = false)
76 * @param parseDir boolean
77 * - true if user passed an entry point
78 * and wants to explore recursively the directories
79 * - false if user passed an already built DICOMDIR file
82 DicomDir::DicomDir(std::string const &fileName, bool parseDir ):
85 // Whatever user passed (a root directory or a DICOMDIR)
86 // and whatever the value of parseDir was,
87 // Document is already executed
88 Initialize(); // sets all private fields to NULL
90 // if user passed a root directory, sure we didn't get anything
91 if ( TagHT.begin() == TagHT.end() ) // when user passed a Directory to parse
93 gdcmVerboseMacro("DicomDir::DicomDir : entry HT empty");
95 if ( fileName == "." )
97 // user passed '.' as Name
98 // we get current directory name
100 getcwd(dummy, (size_t)1000);
101 SetFileName( dummy ); // will be converted into a string
104 if ( parseDir ) // user asked for a recursive parsing of a root directory
106 MetaElems = NewMeta();
108 gdcmVerboseMacro("DicomDir::DicomDir : Parse directory"
109 " and create the DicomDir");
114 /// \todo if parseDir == false, it should be tagged as an error
115 // NON ! il suffit d'appeler ParseDirectory()
116 // apres le constructeur
119 else // Only if user passed a DICOMDIR
121 // Directory record sequence
122 DocEntry *e = GetDocEntryByNumber(0x0004, 0x1220);
125 gdcmVerboseMacro("DicomDir::DicomDir : NO Directory record"
126 " sequence (0x0004,0x1220)");
127 /// \todo FIXME : what do we do when the parsed file IS NOT a
136 * \brief Canonical destructor
138 DicomDir::~DicomDir()
140 SetStartMethod(NULL);
141 SetProgressMethod(NULL);
144 for(ListDicomDirPatient::iterator cc = Patients.begin();
156 //-----------------------------------------------------------------------------
159 * \brief Canonical Printer
161 void DicomDir::Print(std::ostream &os)
165 MetaElems->SetPrintLevel(PrintLevel);
166 MetaElems->Print(os);
168 for(ListDicomDirPatient::iterator cc = Patients.begin();
169 cc != Patients.end();
172 (*cc)->SetPrintLevel(PrintLevel);
177 //-----------------------------------------------------------------------------
180 * \brief This predicate, based on hopefully reasonable heuristics,
181 * decides whether or not the current header was properly parsed
182 * and contains the mandatory information for being considered as
183 * a well formed and usable DicomDir.
184 * @return true when Document is the one of a reasonable DicomDir,
187 bool DicomDir::IsReadable()
189 if( !Document::IsReadable() )
197 if( Patients.size() <= 0 )
206 * \brief Sets all fields to NULL
209 void DicomDir::Initialize()
212 ProgressMethod = NULL;
214 StartMethodArgDelete = NULL;
215 ProgressMethodArgDelete = NULL;
216 EndMethodArgDelete = NULL;
230 * \brief fills the whole structure, starting from a root Directory
232 void DicomDir::ParseDirectory()
234 CreateDicomDirChainedList( GetFileName() );
240 * \brief Set the start method to call when the parsing of the
242 * @param method Method to call
243 * @param arg Argument to pass to the method
244 * @param argDelete Argument
245 * \warning In python : the arg parameter isn't considered
247 void DicomDir::SetStartMethod( DicomDir::Method *method, void *arg,
248 DicomDir::Method *argDelete )
250 if( StartArg && StartMethodArgDelete )
252 StartMethodArgDelete( StartArg );
255 StartMethod = method;
257 StartMethodArgDelete = argDelete;
262 * \brief Set the method to delete the argument
263 * The argument is destroyed when the method is changed or when the
265 * @param method Method to call to delete the argument
267 void DicomDir::SetStartMethodArgDelete( DicomDir::Method *method )
269 StartMethodArgDelete = method;
274 * \brief Set the progress method to call when the parsing of the
276 * @param method Method to call
277 * @param arg Argument to pass to the method
278 * @param argDelete Argument
279 * \warning In python : the arg parameter isn't considered
281 void DicomDir::SetProgressMethod( DicomDir::Method *method, void *arg,
282 DicomDir::Method *argDelete )
284 if( ProgressArg && ProgressMethodArgDelete )
286 ProgressMethodArgDelete( ProgressArg );
289 ProgressMethod = method;
291 ProgressMethodArgDelete = argDelete;
296 * \brief Set the method to delete the argument
297 * The argument is destroyed when the method is changed or when the
299 * @param method Method to call to delete the argument
301 void DicomDir::SetProgressMethodArgDelete( DicomDir::Method *method )
303 ProgressMethodArgDelete = method;
308 * \brief Set the end method to call when the parsing of the directory ends
309 * @param method Method to call
310 * @param arg Argument to pass to the method
311 * @param argDelete Argument
312 * \warning In python : the arg parameter isn't considered
314 void DicomDir::SetEndMethod( DicomDir::Method *method, void *arg,
315 DicomDir::Method *argDelete )
317 if( EndArg && EndMethodArgDelete )
319 EndMethodArgDelete( EndArg );
324 EndMethodArgDelete = argDelete;
329 * \brief Set the method to delete the argument
330 * The argument is destroyed when the method is changed or when
331 * the class is destroyed
332 * @param method Method to call to delete the argument
334 void DicomDir::SetEndMethodArgDelete( DicomDir::Method *method )
336 EndMethodArgDelete = method;
341 * \brief writes on disc a DICOMDIR
342 * \ warning does NOT add the missing elements in the header :
343 * it's up to the user doing it !
344 * \todo : to be re-written using the DICOMDIR tree-like structure
345 * *not* the chained list
346 * (does NOT exist if the DICOMDIR is user-forged !)
347 * @param fileName file to be written to
348 * @return false only when fail to open
351 bool DicomDir::WriteDicomDir(std::string const &fileName)
354 uint16_t sq[4] = { 0x0004, 0x1220, 0xffff, 0xffff };
355 uint16_t sqt[4]= { 0xfffe, 0xe0dd, 0xffff, 0xffff };
357 std::ofstream *fp = new std::ofstream(fileName.c_str(),
358 std::ios::out | std::ios::binary);
361 gdcmVerboseMacro("Failed to open(write) File: " << fileName.c_str());
365 char filePreamble[128];
366 memset(filePreamble, 0, 128);
367 fp->write(filePreamble, 128); //FIXME
368 binary_write( *fp, "DICM");
370 DicomDirMeta *ptrMeta = GetDicomDirMeta();
371 ptrMeta->WriteContent(fp, ExplicitVR);
373 // force writing 0004|1220 [SQ ], that CANNOT exist within DicomDirMeta
376 binary_write(*fp, sq[i]);
379 for(ListDicomDirPatient::iterator cc = Patients.begin();
380 cc != Patients.end();
383 (*cc)->WriteContent( fp, ExplicitVR );
386 // force writing Sequence Delimitation Item
389 binary_write(*fp, sqt[i]); // fffe e0dd ffff ffff
398 //-----------------------------------------------------------------------------
403 * \brief create a Document-like chained list from a root Directory
404 * @param path entry point of the tree-like structure
406 void DicomDir::CreateDicomDirChainedList(std::string const & path)
409 DirList fileList(path,1); // gets recursively the file list
410 unsigned int count = 0;
414 for( DirList::iterator it = fileList.begin();
415 it != fileList.end();
418 Progress = (float)(count+1)/(float)fileList.size();
419 CallProgressMethod();
425 header = new Header( it->c_str() );
428 gdcmVerboseMacro( "DicomDir::CreateDicomDirChainedList: " <<
429 "failure in new Header " <<
434 if( header->IsReadable() )
436 // Add the file header to the chained list:
437 list.push_back(header);
438 gdcmVerboseMacro( "DicomDir::CreateDicomDirChainedList: readable " <<
447 // sorts Patient/Study/Serie/
448 std::sort(list.begin(), list.end(), DicomDir::HeaderLessThan );
450 std::string tmp = fileList.GetDirName();
451 //for each Header of the chained list, add/update the Patient/Study/Serie/Image info
452 SetElements(tmp, list);
455 for(VectDocument::iterator itDoc=list.begin();
459 delete dynamic_cast<Header *>(*itDoc);
465 * \brief adds *the* Meta to a partially created DICOMDIR
468 DicomDirMeta * DicomDir::NewMeta()
470 DicomDirMeta *m = new DicomDirMeta();
472 if ( TagHT.begin() != TagHT.end() ) // after Document Parsing
474 TagDocEntryHT::iterator lastOneButSequence = TagHT.end();
475 lastOneButSequence --;
476 // ALL the 'out of Sequence' Tags belong to Meta Elems
477 // (we skip 0004|1220 [Directory record sequence] )
478 for ( TagDocEntryHT::iterator cc = TagHT.begin();
479 cc != lastOneButSequence;
482 m->AddEntry( cc->second );
485 else // after root directory parsing
487 ListDicomDirMetaElem const &elemList =
488 Global::GetDicomDirElements()->GetDicomDirMetaElements();
489 m->FillObject(elemList);
491 m->SetSQItemNumber(0); // To avoid further missprinting
496 * \brief adds a new Patient (with the basic elements) to a partially created DICOMDIR
498 DicomDirPatient *DicomDir::NewPatient()
500 ListDicomDirPatientElem::const_iterator it;
501 uint16_t tmpGr,tmpEl;
502 DictEntry *dictEntry;
505 ListDicomDirPatientElem const & elemList =
506 Global::GetDicomDirElements()->GetDicomDirPatientElements();
507 DicomDirPatient *p = new DicomDirPatient();
509 // for all the DicomDirPatient Elements
510 for( it = elemList.begin(); it != elemList.end(); ++it )
514 dictEntry = GetPubDict()->GetDictEntryByNumber(tmpGr, tmpEl);
515 entry = new ValEntry( dictEntry );
516 entry->SetOffset(0); // just to avoid further missprinting
517 entry->SetValue( it->Value );
519 p->AddEntry( entry );
522 Patients.push_front( p );
528 * \brief adds to the HTable
529 * the Entries (Dicom Elements) corresponding to the given type
530 * @param path full path file name (only used when type = GDCM_DICOMDIR_IMAGE
531 * @param type DicomDirObject type to create (GDCM_DICOMDIR_PATIENT,
532 * GDCM_DICOMDIR_STUDY, GDCM_DICOMDIR_SERIE ...)
533 * @param header Header of the current file
535 void DicomDir::SetElement(std::string const &path, DicomDirType type,
538 ListDicomDirElem elemList; //FIXME this is going to be a by copy operation
539 ListDicomDirElem::const_iterator it;
540 uint16_t tmpGr, tmpEl;
541 DictEntry *dictEntry;
548 case GDCM_DICOMDIR_IMAGE:
549 elemList = Global::GetDicomDirElements()->GetDicomDirImageElements();
550 si = new DicomDirImage();
551 if( !AddDicomDirImageToEnd(static_cast<DicomDirImage *>(si)) )
553 gdcmVerboseMacro("DicomDir::SetElement:"
554 "Add DicomDirImageToEnd failed");
557 case GDCM_DICOMDIR_SERIE:
558 elemList = Global::GetDicomDirElements()->GetDicomDirSerieElements();
559 si = new DicomDirSerie();
560 if( !AddDicomDirSerieToEnd(static_cast<DicomDirSerie *>(si)) )
562 gdcmVerboseMacro("DicomDir::SetElement:"
563 "Add DicomDirSerieToEnd failed");
566 case GDCM_DICOMDIR_STUDY:
567 elemList = Global::GetDicomDirElements()->GetDicomDirStudyElements();
568 si = new DicomDirStudy();
569 if( !AddDicomDirStudyToEnd(static_cast<DicomDirStudy *>(si)) )
571 gdcmVerboseMacro("DicomDir::SetElement:"
572 "Add DicomDirStudyToEnd failed");
575 case GDCM_DICOMDIR_PATIENT:
576 elemList = Global::GetDicomDirElements()->GetDicomDirPatientElements();
577 si = new DicomDirPatient();
578 if( !AddDicomDirPatientToEnd(static_cast<DicomDirPatient *>(si)) )
580 gdcmVerboseMacro("DicomDir::SetElement:"
581 "Add DicomDirPatientToEnd failed");
584 case GDCM_DICOMDIR_META:
585 elemList = Global::GetDicomDirElements()->GetDicomDirMetaElements();
586 si = new DicomDirMeta();
589 gdcmVerboseMacro("DicomDir::SetElement:"
590 "MetaElements already exist, they will be destroyed");
593 MetaElems = static_cast<DicomDirMeta *>(si);
598 // removed all the seems-to-be-useless stuff about Referenced Image Sequence
599 // to avoid further troubles
600 // imageElem 0008 1140 "" // Referenced Image Sequence
601 // imageElem fffe e000 "" // 'no length' item : length to be set to 0xffffffff later
602 // imageElem 0008 1150 "" // Referenced SOP Class UID : to be set/forged later
603 // imageElem 0008 1155 "" // Referenced SOP Instance UID : to be set/forged later
604 // imageElem fffe e00d "" // Item delimitation : length to be set to ZERO later
605 // for all the relevant elements found in their own spot of the DicomDir.dic
606 // FIXME : troubles found when it's a SeqEntry
608 for( it = elemList.begin(); it != elemList.end(); ++it)
612 dictEntry = GetPubDict()->GetDictEntryByNumber(tmpGr, tmpEl);
614 entry = new ValEntry( dictEntry ); // Be sure it's never a BinEntry !
616 entry->SetOffset(0); // just to avoid further missprinting
620 // NULL when we Build Up (ex nihilo) a DICOMDIR
621 // or when we add the META elems
622 val = header->GetEntryByNumber(tmpGr, tmpEl);
629 if( val == GDCM_UNFOUND)
631 if( tmpGr == 0x0004 && tmpEl == 0x1130 ) // File-set ID
633 // force to the *end* File Name
634 val = Util::GetName( path );
636 else if( tmpGr == 0x0004 && tmpEl == 0x1500 ) // Only used for image
638 if( header->GetFileName().substr(0, path.length()) != path )
640 gdcmVerboseMacro("DicomDir::SetElement : the base path"
641 " of file name is incorrect");
642 val = header->GetFileName();
646 val = &(header->GetFileName().c_str()[path.length()]);
656 if ( header->GetEntryLengthByNumber(tmpGr,tmpEl) == 0 )
660 entry->SetValue( val ); // troubles expected when vr=SQ ...
662 if ( type == GDCM_DICOMDIR_META ) // fusible : should never print !
664 std::cout << "GDCM_DICOMDIR_META ?!? should never print that"
671 //-----------------------------------------------------------------------------
673 * \brief CallStartMethod
675 void DicomDir::CallStartMethod()
681 StartMethod( StartArg );
685 //-----------------------------------------------------------------------------
688 * \brief CallProgressMethod
690 void DicomDir::CallProgressMethod()
694 ProgressMethod( ProgressArg );
698 //-----------------------------------------------------------------------------
701 * \brief CallEndMethod
703 void DicomDir::CallEndMethod()
712 //-----------------------------------------------------------------------------
716 * \brief create a 'DicomDir' from a DICOMDIR Header
718 void DicomDir::CreateDicomDir()
720 // The list is parsed.
721 // When a DicomDir tag ("PATIENT", "STUDY", "SERIE", "IMAGE") is found :
722 // 1 - we save the beginning iterator
723 // 2 - we continue to parse
724 // 3 - we find an other tag
725 // + we create the object for the precedent tag
728 // Directory record sequence
729 DocEntry *e = GetDocEntryByNumber(0x0004, 0x1220);
732 gdcmVerboseMacro("DicomDir::DicomDir : NO Directory record"
733 " sequence (0x0004,0x1220)");
734 /// \todo FIXME: what to do when the parsed file IS NOT a DICOMDIR file ?
738 SeqEntry *s = dynamic_cast<SeqEntry *>(e);
741 gdcmVerboseMacro("DicomDir::CreateDicomDir: no SeqEntry present");
742 // useless : (0x0004,0x1220) IS a Sequence !
746 DicomDirType type; // = DicomDir::GDCM_DICOMDIR_META;
747 MetaElems = NewMeta();
749 ListSQItem listItems = s->GetSQItems();
754 for( ListSQItem::iterator i = listItems.begin();
755 i !=listItems.end(); ++i )
757 d = (*i)->GetDocEntryByNumber(0x0004, 0x1430); // Directory Record Type
758 if ( ValEntry* valEntry = dynamic_cast<ValEntry *>(d) )
760 v = valEntry->GetValue();
764 gdcmVerboseMacro("DicomDir::CreateDicomDir: not a ValEntry.");
768 if( v == "PATIENT " )
770 si = new DicomDirPatient();
771 AddDicomDirPatientToEnd( static_cast<DicomDirPatient *>(si) );
772 type = DicomDir::GDCM_DICOMDIR_PATIENT;
774 else if( v == "STUDY " )
776 si = new DicomDirStudy();
777 AddDicomDirStudyToEnd( static_cast<DicomDirStudy *>(si) );
778 type = DicomDir::GDCM_DICOMDIR_STUDY;
780 else if( v == "SERIES" )
782 si = new DicomDirSerie();
783 AddDicomDirSerieToEnd( static_cast<DicomDirSerie *>(si) );
784 type = DicomDir::GDCM_DICOMDIR_SERIE;
786 else if( v == "IMAGE " )
788 si = new DicomDirImage();
789 AddDicomDirImageToEnd( static_cast<DicomDirImage *>(si) );
790 type = DicomDir::GDCM_DICOMDIR_IMAGE;
794 // It was not a 'PATIENT', nor a 'STUDY', nor a 'SERIE',
795 // neither an 'IMAGE' SQItem. Skip to next item.
805 * \brief Well ... there is only one occurence
807 bool DicomDir::AddDicomDirMeta()
813 MetaElems = new DicomDirMeta();
819 * \brief AddDicomDirPatientToEnd
820 * @param dd SQ Item to enqueue to the DicomPatient chained List
822 bool DicomDir::AddDicomDirPatientToEnd(DicomDirPatient *dd)
824 Patients.push_back(dd);
830 * \brief AddDicomDirStudyToEnd
831 * @param dd SQ Item to enqueue to the DicomDirStudy chained List
833 bool DicomDir::AddDicomDirStudyToEnd(DicomDirStudy *dd)
835 if( Patients.size() > 0 )
837 ListDicomDirPatient::iterator itp = Patients.end();
839 (*itp)->AddDicomDirStudy(dd);
847 * \brief AddDicomDirSerieToEnd
848 * @param dd SQ Item to enqueue to the DicomDirSerie chained List
850 bool DicomDir::AddDicomDirSerieToEnd(DicomDirSerie *dd)
852 if( Patients.size() > 0 )
854 ListDicomDirPatient::iterator itp = Patients.end();
857 if( (*itp)->GetDicomDirStudies().size() > 0 )
859 ListDicomDirStudy::const_iterator itst =
860 (*itp)->GetDicomDirStudies().end();
862 (*itst)->AddDicomDirSerie(dd);
871 * \brief AddDicomDirImageToEnd
872 * @param dd SQ Item to enqueue to the DicomDirImage chained List
874 bool DicomDir::AddDicomDirImageToEnd(DicomDirImage *dd)
876 if( Patients.size() > 0 )
878 ListDicomDirPatient::iterator itp = Patients.end();
881 if( (*itp)->GetDicomDirStudies().size() > 0 )
883 ListDicomDirStudy::const_iterator itst =
884 (*itp)->GetDicomDirStudies().end();
887 if( (*itst)->GetDicomDirSeries().size() > 0 )
889 ListDicomDirSerie::const_iterator its = (*itst)->GetDicomDirSeries().end();
891 (*its)->AddDicomDirImage(dd);
901 * \brief for each Header of the chained list, add/update the Patient/Study/Serie/Image info
902 * @param path path of the root directory
903 * @param list chained list of Headers
905 void DicomDir::SetElements(std::string const & path, VectDocument const &list)
910 std::string patPrevName = "", patPrevID = "";
911 std::string studPrevInstanceUID = "", studPrevID = "";
912 std::string serPrevInstanceUID = "", serPrevID = "";
914 std::string patCurName, patCurID;
915 std::string studCurInstanceUID, studCurID;
916 std::string serCurInstanceUID, serCurID;
919 for( VectDocument::const_iterator it = list.begin();
920 it != list.end(); ++it )
922 // get the current file characteristics
923 patCurName = (*it)->GetEntryByNumber(0x0010,0x0010);
924 patCurID = (*it)->GetEntryByNumber(0x0010,0x0011);
925 studCurInstanceUID = (*it)->GetEntryByNumber(0x0020,0x000d);
926 studCurID = (*it)->GetEntryByNumber(0x0020,0x0010);
927 serCurInstanceUID = (*it)->GetEntryByNumber(0x0020,0x000e);
928 serCurID = (*it)->GetEntryByNumber(0x0020,0x0011);
930 if( patCurName != patPrevName || patCurID != patPrevID || first )
932 SetElement(path, GDCM_DICOMDIR_PATIENT, *it);
936 // if new Study Deal with 'STUDY' Elements
937 if( studCurInstanceUID != studPrevInstanceUID || studCurID != studPrevID
940 SetElement(path, GDCM_DICOMDIR_STUDY, *it);
944 // if new Serie Deal with 'SERIE' Elements
945 if( serCurInstanceUID != serPrevInstanceUID || serCurID != serPrevID
948 SetElement(path, GDCM_DICOMDIR_SERIE, *it);
952 // Always Deal with 'IMAGE' Elements
953 SetElement(path, GDCM_DICOMDIR_IMAGE, *it);
955 patPrevName = patCurName;
956 patPrevID = patCurID;
957 studPrevInstanceUID = studCurInstanceUID;
958 studPrevID = studCurID;
959 serPrevInstanceUID = serCurInstanceUID;
960 serPrevID = serCurID;
967 * \brief Move the content of the src SQItem to the dst SQItem
968 * Only DocEntry's are moved
971 void DicomDir::MoveSQItem(SQItem *dst,SQItem *src)
976 entry = src->GetNextEntry();
979 src->RemoveEntryNoDestroy(entry);
980 dst->AddEntry(entry);
983 entry = src->GetNextEntry();
989 * \brief compares two dgcmHeaders
991 bool DicomDir::HeaderLessThan(Document *header1, Document *header2)
993 return *header1 < *header2;
995 } // end namespace gdcm
997 //-----------------------------------------------------------------------------