+
+/**
+ * \brief removes an already existing Dicom Dictionary Entry,
+ * identified by its group,element number
+ * @param group Dicom group number of the Dicom Element
+ * @param elem Dicom element number of the Dicom Element
+ * @return false if Dicom Dictionary Entry doesn't exist
+ */
+bool Dict::RemoveEntry(uint16_t group, uint16_t elem)
+{
+ return RemoveEntry(DictEntry::TranslateToKey(group, elem));
+}
+
+/**
+ * \brief Remove all Dicom Dictionary Entries
+ */
+void Dict::ClearEntry()
+{
+ // we assume all the pointed DictEntries are already cleaned-up
+ // when we clean KeyHt.
+ KeyHt.clear();
+}
+
+/**
+ * \brief Get the dictionary entry identified by a given tag ("group|element")
+ * @param key tag of the entry to be found
+ * @return the corresponding dictionary entry when existing, NULL otherwise
+ */
+DictEntry *Dict::GetEntry(TagKey const &key)
+{
+ TagKeyHT::iterator it = KeyHt.find(key);
+ if ( it == KeyHt.end() )
+ {
+ return 0;
+ }
+ return &(it->second);
+}
+
+DictEntry *Dict::GetEntry(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 Get the first entry while visiting the Dict entries
+ * \return The first DicEntry if found, otherwhise NULL
+ */
+DictEntry *Dict::GetFirstEntry()
+{
+ ItKeyHt = KeyHt.begin();
+ if ( ItKeyHt != KeyHt.end() )
+ return &(ItKeyHt->second);
+ return NULL;
+}
+
+/**
+ * \brief Get the next entry while visiting the Hash table (KeyHt)
+ * \note : meaningfull only if GetFirstEntry already called
+ * \return The next DictEntry if found, otherwhise NULL
+ */
+DictEntry *Dict::GetNextEntry()
+{
+ gdcmAssertMacro (ItKeyHt != KeyHt.end());
+
+ ++ItKeyHt;
+ if (ItKeyHt != KeyHt.end())
+ return &(ItKeyHt->second);
+ return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
+// Print
+/**
+ * \brief Print all the dictionary entries contained in this dictionary.
+ * Entries will be sorted by tag i.e. the couple (group, element).
+ * @param os The output stream to be written to.
+ * @param indent Indentation string to be prepended during printing
+ */
+void Dict::Print(std::ostream &os, std::string const & )
+{
+ os << "Dict file name : " << Filename << std::endl;
+ std::ostringstream s;
+
+ for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
+ {
+ s << "Entry : ";
+ s << "(" << std::hex << std::setw(4) << tag->second.GetGroup() << ',';
+ s << std::hex << std::setw(4) << tag->second.GetElement() << ") = "
+ << std::dec;
+ s << tag->second.GetVR() << ", ";
+ s << tag->second.GetVM() << ", ";
+ s << tag->second.GetName() << "." << std::endl;
+ }
+ os << s.str();
+}
+
+//-----------------------------------------------------------------------------
+} // end namespace gdcm