+/**
+ * \brief Get the dictionnary entry identified by it's name.
+ * @param name element of the ElVal to modify
+ * \warning : NEVER use it !
+ * the 'name' IS NOT an identifier within the Dicom Dictionary
+ * the name MAY CHANGE between two versions !
+ * @return the corresponding dictionnary entry when existing, NULL otherwise
+ */
+DictEntry* Dict::GetDictEntryByName(TagName const & name)
+{
+ TagNameHT::iterator it = NameHt.find(name);
+ if ( it == NameHt.end() )
+ {
+ return 0;
+ }
+ return &(it->second);
+}
+
+/**
+ * \brief Get the dictionnary entry identified by a given tag (group,element)
+ * @param group group of the entry to be found
+ * @param element element of the entry to be found
+ * @return the corresponding dictionnary entry when existing, NULL otherwise
+ */
+DictEntry* Dict::GetDictEntryByNumber(uint16_t group, uint16_t element)
+{
+ TagKey key = DictEntry::TranslateToKey(group, element);
+ TagKeyHT::iterator it = KeyHt.find(key);
+ if ( it == KeyHt.end() )
+ {
+ return 0;
+ }
+ return &(it->second);
+}
+
+/**
+ * \brief Consider all the entries of the public dicom dictionnary.
+ * Build all list of all the tag names of all those entries.
+ * \sa DictSet::GetPubDictTagNamesByCategory
+ * @return A list of all entries of the public dicom dictionnary.
+ */
+EntryNamesList* Dict::GetDictEntryNames()
+{
+ EntryNamesList *result = new EntryNamesList;
+ for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
+ {
+ result->push_back( tag->second.GetName() );
+ }
+ return result;
+}
+
+/**
+ * \ingroup Dict
+ * \brief Consider all the entries of the public dicom dictionnary.
+ * Build an hashtable whose keys are the names of the groups
+ * (fourth field in each line of dictionary) and whose corresponding
+ * values are lists of all the dictionnary entries among that
+ * group. Note that apparently the Dicom standard doesn't explicitely
+ * define a name (as a string) for each group.
+ * A typical usage of this method would be to enable a dynamic
+ * configuration of a Dicom file browser: the admin/user can
+ * select in the interface which Dicom tags should be displayed.
+ * \warning Dicom *doesn't* define any name for any 'categorie'
+ * (the dictionnary fourth field was formerly NIH defined
+ * - and no longer he is-
+ * and will be removed when Dicom provides us a text file
+ * with the 'official' Dictionnary, that would be more friendly
+ * than asking us to perform a line by line check of the dictionnary
+ * at the beginning of each year to -try to- guess the changes)
+ * Therefore : please NEVER use that fourth field :-(
+ *
+ * @return An hashtable: whose keys are the names of the groups and whose
+ * corresponding values are lists of all the dictionnary entries
+ * among that group.
+ */
+EntryNamesByCatMap *Dict::GetDictEntryNamesByCategory()
+{
+ EntryNamesByCatMap *result = new EntryNamesByCatMap;
+
+ for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
+ {
+ (*result)[tag->second.GetFourth()].push_back(tag->second.GetName());
+ }
+
+ return result;
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
+
+} // end namespace gdcm