1 /*=========================================================================
4 Module: $RCSfile: gdcmElementSet.cxx,v $
6 Date: $Date: 2005/10/26 09:15:19 $
7 Version: $Revision: 1.69 $
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 "gdcmElementSet.h"
20 #include "gdcmDebug.h"
21 #include "gdcmSeqEntry.h"
22 #include "gdcmDataEntry.h"
26 //-----------------------------------------------------------------------------
27 // Constructor / Destructor
29 * \brief Constructor for a given ElementSet
31 ElementSet::ElementSet()
37 * \brief Canonical destructor.
39 ElementSet::~ElementSet()
44 //-----------------------------------------------------------------------------
47 * \brief Writes the Header Entries (Dicom Elements)
49 * @param fp ofstream to write to
50 * @param filetype filetype
52 void ElementSet::WriteContent(std::ofstream *fp, FileType filetype)
54 for (TagDocEntryHT::const_iterator i = TagHT.begin();
58 // depending on the gdcm::Document type
59 // (gdcm::File; gdcm::DicomDir, (more to come ?)
60 // some groups *cannot* be present.
61 // We hereby protect gdcm for writting stupid things
62 // if they were found in the original document.
63 if ( !MayIWrite( (i->second)->GetGroup() ) )
66 // Skip 'Group Length' element, since it may be wrong.
67 // except for Group 0002
68 if ( (i->second)->GetElement() == 0x0000
69 && (i->second)->GetElement() != 0x0002 )
72 i->second->WriteContent(fp, filetype);
77 * \brief add a new Dicom Element pointer to the H Table
78 * @param newEntry entry to add
80 bool ElementSet::AddEntry(DocEntry *newEntry)
82 const TagKey &key = newEntry->GetKey();
84 if ( TagHT.count(key) == 1 )
86 gdcmWarningMacro( "Key already present: " << key );
91 TagHT.insert(TagDocEntryHT::value_type(newEntry->GetKey(), newEntry));
98 * \brief Clear the hash table from given entry AND delete the entry.
99 * @param entryToRemove Entry to remove AND delete.
101 bool ElementSet::RemoveEntry( DocEntry *entryToRemove)
103 const TagKey &key = entryToRemove->GetKey();
104 if ( TagHT.count(key) == 1 )
107 entryToRemove->Unregister();
111 gdcmWarningMacro( "Key not present : " << key);
116 * \brief delete all entries in the ElementSet
118 void ElementSet::ClearEntry()
120 for(TagDocEntryHT::iterator cc = TagHT.begin();cc != TagHT.end(); ++cc)
124 cc->second->Unregister();
131 * \brief Get the first entry while visiting *the* 'zero level' DocEntrySet
132 * (DocEntries out of any Sequence)
133 * \return The first DocEntry if found, otherwhise NULL
135 DocEntry *ElementSet::GetFirstEntry()
137 ItTagHT = TagHT.begin();
138 if (ItTagHT != TagHT.end())
139 return ItTagHT->second;
144 * \brief Get the next entry while visiting *the* 'zero level' DocEntrySet
145 * (DocEntries out of any Sequence)
146 * \note : meaningfull only if GetFirstEntry already called
147 * \return The next DocEntry if found, otherwhise NULL
149 DocEntry *ElementSet::GetNextEntry()
151 gdcmAssertMacro (ItTagHT != TagHT.end());
154 if (ItTagHT != TagHT.end())
155 return ItTagHT->second;
160 * \brief retrieves a Dicom Element using (group, element)
161 * @param group Group number of the searched Dicom Element
162 * @param elem Element number of the searched Dicom Element
165 DocEntry *ElementSet::GetDocEntry(uint16_t group, uint16_t elem)
167 TagKey key = DictEntry::TranslateToKey(group, elem);
168 TagDocEntryHT::iterator it = TagHT.find(key);
170 if ( it!=TagHT.end() )
175 //-----------------------------------------------------------------------------
178 //-----------------------------------------------------------------------------
181 //-----------------------------------------------------------------------------
184 * \brief Prints the Header Entries (Dicom Elements) from the H Table
185 * @param os ostream to write to
186 * @param indent Indentation string to be prepended during printing
188 void ElementSet::Print(std::ostream &os, std::string const & )
190 // Let's change the 'warning value' for Pixel Data,
191 // to avoid human reader to be confused by 'gdcm::NotLoaded'.
192 DataEntry *pixelElement = GetDataEntry(0x7fe0,0x0010);
193 if ( pixelElement != 0 )
195 pixelElement->SetFlag( DataEntry::FLAG_PIXELDATA );
198 for( TagDocEntryHT::const_iterator i = TagHT.begin(); i != TagHT.end(); ++i)
200 DocEntry *entry = i->second;
202 entry->SetPrintLevel(PrintLevel);
205 if ( dynamic_cast<SeqEntry *>(entry) )
207 // Avoid the newline for a sequence:
214 //-----------------------------------------------------------------------------
215 } // end namespace gdcm