1 /*=========================================================================
4 Module: $RCSfile: gdcmSQItem.cxx,v $
6 Date: $Date: 2004/06/24 18:03:14 $
7 Version: $Revision: 1.17 $
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) )
87 * \brief canonical Writer
89 void gdcmSQItem::Write(FILE *fp,FileType filetype)
91 for (ListDocEntry::iterator i = docEntries.begin();
92 i != docEntries.end();
95 // Item Delimitor Item IS the last one of a 'no length' SQItem
96 // (when it exists) we don't write it right now
97 // It will be written outside, because ALL the SQItems are written
99 if ( (*i)->isItemDelimitor() )
101 if ( ((*i)->GetGroup() == 0xfffe) && ((*i)->GetElement() == 0x0000) )
102 // Fix in order to make some MR PHILIPS images e-film readable
103 // see gdcmData/gdcm-MR-PHILIPS-16-Multi-Seq.dcm:
104 // we just *always* ignore spurious fffe|0000 tag !
106 // It's up to the gdcmDocEntry Writter to write the SQItem begin element
107 // (fffe|e000) as a 'no length' one
108 (*i)->Write(fp, filetype);
112 //-----------------------------------------------------------------------------
115 * \brief adds any Entry (Dicom Element) to the Sequence Item
117 bool gdcmSQItem::AddEntry(gdcmDocEntry *entry)
119 docEntries.push_back(entry);
120 //TODO : check if it worked
125 * \brief Sets Entry (Dicom Element) value of an element,
126 * specified by it's tag (Group, Number)
127 * and the length, too ... inside a SQ Item
128 * If the Element is not found, it's just created !
129 * \warning we suppose, right now, the element belongs to a Public Group
131 * @param val string value to set
132 * @param group Group number of the searched tag.
133 * @param element Element number of the searched tag.
134 * @return true if element was found or created successfully
137 bool gdcmSQItem::SetEntryByNumber(std::string val,guint16 group,
140 for(ListDocEntry::iterator i=docEntries.begin();i!=docEntries.end();++i)
142 if ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0xe000 )
145 if ( ( group < (*i)->GetGroup() )
146 ||( group == (*i)->GetGroup() && element < (*i)->GetElement()) )
148 // instead of ReplaceOrCreateByNumber
149 // that is a method of gdcmDocument :-(
150 gdcmValEntry* Entry = (gdcmValEntry*)0;
151 TagKey key = gdcmDictEntry::TranslateToKey(group, element);
153 if ( ! ptagHT->count(key))
155 // we assume a Public Dictionnary *is* loaded
156 gdcmDict *PubDict = gdcmGlobal::GetDicts()->GetDefaultPubDict();
157 // if the invoked (group,elem) doesn't exist inside the Dictionary
158 // we create a VirtualDictEntry
159 gdcmDictEntry *DictEntry = PubDict->GetDictEntryByNumber(group,
161 if (DictEntry == NULL)
163 DictEntry=gdcmGlobal::GetDicts()->NewVirtualDictEntry(group,
168 // we assume the constructor didn't fail
169 Entry = new gdcmValEntry(DictEntry);
172 /// better we don't assume too much !
173 /// gdcmSQItem is now used to describe any DICOMDIR related object
175 gdcmDocEntry* FoundEntry = ptagHT->find(key)->second;
176 Entry = dynamic_cast<gdcmValEntry*>(FoundEntry);
178 dbg.Verbose(0, "gdcmSQItem::SetEntryByNumber: docEntries"
179 " contains non gdcmValEntry occurences");
182 Entry->SetValue(val);
183 Entry->SetLength(val.length());
184 docEntries.insert(i,Entry);
187 if (group == (*i)->GetGroup() && element == (*i)->GetElement() )
189 if ( gdcmValEntry* Entry = dynamic_cast<gdcmValEntry*>(*i) )
190 Entry->SetValue(val);
191 (*i)->SetLength(val.length());
197 //-----------------------------------------------------------------------------
202 * \brief Gets a Dicom Element inside a SQ Item Entry, by number
205 gdcmDocEntry *gdcmSQItem::GetDocEntryByNumber(guint16 group, guint16 element) {
206 for(ListDocEntry::iterator i=docEntries.begin();i!=docEntries.end();++i) {
207 if ( (*i)->GetGroup()==group && (*i)->GetElement()==element)
214 * \brief Get the value of a Dicom Element inside a SQ Item Entry, by number
218 std::string gdcmSQItem::GetEntryByNumber(guint16 group, guint16 element) {
219 for(ListDocEntry::iterator i=docEntries.begin();i!=docEntries.end();++i) {
220 if ( (*i)->GetGroup()==group && (*i)->GetElement()==element) {
221 return ((gdcmValEntry *)(*i))->GetValue();
226 //-----------------------------------------------------------------------------
230 //-----------------------------------------------------------------------------