+/**
+ * \brief Get the dictionary entry identified by a given tag (group,element)
+ * @param group group of the entry to be found
+ * @param elem element of the entry to be found
+ * @return the corresponding dictionary entry when existing, NULL otherwise
+ */
+DictEntry *Dict::GetDictEntry(uint16_t group, uint16_t elem)
+{
+ TagKey key = DictEntry::TranslateToKey(group, elem);
+ TagKeyHT::iterator it = KeyHt.find(key);
+ if ( it == KeyHt.end() )
+ {
+ return 0;
+ }
+ return &(it->second);
+}
+
+/**
+ * \brief Consider all the entries of the public dicom dictionary.
+ * 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 dictionary.
+ */
+
+
+ // Probabely useless
+
+
+//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 dictionary.
+ * 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 dictionary 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 dictionary 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' Dictionary, that would be more friendly
+ * than asking us to perform a line by line check of the dictionary
+ * 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 dictionary entries
+ * among that group.
+ */
+
+ // Probabely useless
+
+//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;
+//}
+
+/**
+ * \brief Initialise the visit of the Hash table (KeyHt)
+ */
+void Dict::InitTraversal()
+{
+ ItKeyHt = KeyHt.begin();
+}
+
+/**
+ * \brief Get the next entry while visiting the Hash table (KeyHt)
+ * \return The next DictEntry if found, otherwhise NULL
+ */
+DictEntry *Dict::GetNextEntry()
+{
+ if (ItKeyHt != KeyHt.end())
+ {
+ DictEntry *tmp = &(ItKeyHt->second);
+ ++ItKeyHt;
+
+ return tmp;
+ }
+ else
+ {
+ return NULL;
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
+
+} // end namespace gdcm