1 /*=========================================================================
4 Module: $RCSfile: gdcmSQItem.cxx,v $
6 Date: $Date: 2004/07/17 22:47:01 $
7 Version: $Revision: 1.21 $
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.htm 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 "gdcmSQItem.h"
20 #include "gdcmSeqEntry.h"
21 #include "gdcmValEntry.h"
22 #include "gdcmBinEntry.h"
23 #include "gdcmGlobal.h"
26 #include "gdcmDebug.h"
29 //-----------------------------------------------------------------------------
30 // Constructor / Destructor
33 * \brief Constructor from a given gdcmSQItem
35 gdcmSQItem::gdcmSQItem(int depthLevel )
36 : gdcmDocEntrySet(depthLevel) {
37 SQDepthLevel = depthLevel +1;
41 * \brief Canonical destructor.
43 gdcmSQItem::~gdcmSQItem()
45 for(ListDocEntry::iterator cc = docEntries.begin();
46 cc != docEntries.end();
54 //-----------------------------------------------------------------------------
57 * \brief canonical Printer
59 void gdcmSQItem::Print(std::ostream & os) {
64 for (int i=0;i<SQDepthLevel;i++)
67 std::cout << s.str() << " --- SQItem number " << SQItemNumber << std::endl;
68 for (ListDocEntry::iterator i = docEntries.begin();
69 i != docEntries.end();
72 gdcmDocEntry* Entry = *i;
73 bool PrintEndLine = true;
76 Entry->SetPrintLevel(2);
78 if ( gdcmSeqEntry* SeqEntry = dynamic_cast<gdcmSeqEntry*>(Entry) )
80 (void)SeqEntry; //not used
90 * \brief canonical Writer
92 void gdcmSQItem::Write(FILE *fp,FileType filetype)
94 for (ListDocEntry::iterator i = docEntries.begin();
95 i != docEntries.end();
98 // Item Delimitor Item IS the last one of a 'no length' SQItem
99 // (when it exists) we don't write it right now
100 // It will be written outside, because ALL the SQItems are written
102 if ( (*i)->isItemDelimitor() )
105 // Fix in order to make some MR PHILIPS images e-film readable
106 // see gdcmData/gdcm-MR-PHILIPS-16-Multi-Seq.dcm:
107 // we just *always* ignore spurious fffe|0000 tag !
108 if ( ((*i)->GetGroup() == 0xfffe) && ((*i)->GetElement() == 0x0000) )
111 // It's up to the gdcmDocEntry Writter to write the SQItem begin element
112 // (fffe|e000) as a 'no length' one
113 (*i)->Write(fp, filetype);
117 //-----------------------------------------------------------------------------
120 * \brief adds any Entry (Dicom Element) to the Sequence Item
122 bool gdcmSQItem::AddEntry(gdcmDocEntry *entry)
124 docEntries.push_back(entry);
125 //TODO : check if it worked
130 * \brief Sets Entry (Dicom Element) value of an element,
131 * specified by it's tag (Group, Number)
132 * and the length, too ... inside a SQ Item
133 * If the Element is not found, it's just created !
134 * \warning we suppose, right now, the element belongs to a Public Group
136 * @param val string value to set
137 * @param group Group number of the searched tag.
138 * @param element Element number of the searched tag.
139 * @return true if element was found or created successfully
142 bool gdcmSQItem::SetEntryByNumber(std::string val,uint16_t group,
145 for(ListDocEntry::iterator i=docEntries.begin();i!=docEntries.end();++i)
147 if ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0xe000 )
150 if ( ( group < (*i)->GetGroup() )
151 ||( group == (*i)->GetGroup() && element < (*i)->GetElement()) )
153 // instead of ReplaceOrCreateByNumber
154 // that is a method of gdcmDocument :-(
155 gdcmValEntry* Entry = (gdcmValEntry*)0;
156 gdcmTagKey key = gdcmDictEntry::TranslateToKey(group, element);
158 if ( ! ptagHT->count(key))
160 // we assume a Public Dictionnary *is* loaded
161 gdcmDict *PubDict = gdcmGlobal::GetDicts()->GetDefaultPubDict();
162 // if the invoked (group,elem) doesn't exist inside the Dictionary
163 // we create a VirtualDictEntry
164 gdcmDictEntry *DictEntry = PubDict->GetDictEntryByNumber(group,
166 if (DictEntry == NULL)
168 DictEntry=gdcmGlobal::GetDicts()->NewVirtualDictEntry(group,
173 // we assume the constructor didn't fail
174 Entry = new gdcmValEntry(DictEntry);
177 /// better we don't assume too much !
178 /// gdcmSQItem is now used to describe any DICOMDIR related object
180 gdcmDocEntry* FoundEntry = ptagHT->find(key)->second;
181 Entry = dynamic_cast<gdcmValEntry*>(FoundEntry);
183 dbg.Verbose(0, "gdcmSQItem::SetEntryByNumber: docEntries"
184 " contains non gdcmValEntry occurences");
187 Entry->SetValue(val);
188 Entry->SetLength(val.length());
189 docEntries.insert(i,Entry);
192 if (group == (*i)->GetGroup() && element == (*i)->GetElement() )
194 if ( gdcmValEntry* Entry = dynamic_cast<gdcmValEntry*>(*i) )
195 Entry->SetValue(val);
196 (*i)->SetLength(val.length());
202 //-----------------------------------------------------------------------------
207 * \brief Gets a Dicom Element inside a SQ Item Entry, by number
210 gdcmDocEntry *gdcmSQItem::GetDocEntryByNumber(uint16_t group, uint16_t element)
212 for(ListDocEntry::iterator i=docEntries.begin();i!=docEntries.end();++i)
214 if ( (*i)->GetGroup()==group && (*i)->GetElement()==element)
223 * \brief Get the value of a Dicom Element inside a SQ Item Entry, by number
227 std::string gdcmSQItem::GetEntryByNumber(uint16_t group, uint16_t element)
229 for(ListDocEntry::iterator i=docEntries.begin();i!=docEntries.end();++i)
231 if ( (*i)->GetGroup()==group && (*i)->GetElement()==element)
233 return ((gdcmValEntry *)(*i))->GetValue();
238 //-----------------------------------------------------------------------------
242 //-----------------------------------------------------------------------------