+
+/**
+ * \brief Clear the hash table from given entry BUT keep the entry.
+ * @param entryToRemove Entry to remove.
+ */
+bool ElementSet::RemoveEntryNoDestroy(DocEntry *entryToRemove)
+{
+ const TagKey &key = entryToRemove->GetKey();
+ if ( TagHT.count(key) == 1 )
+ {
+ TagHT.erase(key);
+ //gdcmWarningMacro( "One element erased.");
+ return true;
+ }
+
+ gdcmWarningMacro( "Key not present " << key);
+ return false ;
+}
+
+/**
+ * \brief delete all entries in the ElementSet
+ */
+void ElementSet::ClearEntry()
+{
+ for(TagDocEntryHT::iterator cc = TagHT.begin();cc != TagHT.end(); ++cc)
+ {
+ if ( cc->second )
+ {
+ delete cc->second;
+ }
+ }
+ TagHT.clear();
+}
+
+/**
+ * \brief Get the first entry while visiting *the* 'zero level' DocEntrySet
+ * (DocEntries out of any Sequence)
+ * \return The first DocEntry if found, otherwhise NULL
+ */
+DocEntry *ElementSet::GetFirstEntry()
+{
+ ItTagHT = TagHT.begin();
+ if (ItTagHT != TagHT.end())
+ return ItTagHT->second;
+ return NULL;
+}
+
+/**
+ * \brief Get the next entry while visiting *the* 'zero level' DocEntrySet
+ * (DocEntries out of any Sequence)
+ * \note : meaningfull only if GetFirstEntry already called
+ * \return The next DocEntry if found, otherwhise NULL
+ */
+DocEntry *ElementSet::GetNextEntry()
+{
+ gdcmAssertMacro (ItTagHT != TagHT.end());
+
+ ++ItTagHT;
+ if (ItTagHT != TagHT.end())
+ return ItTagHT->second;
+ return NULL;
+}
+
+/**
+ * \brief retrieves a Dicom Element using (group, element)
+ * @param group Group number of the searched Dicom Element
+ * @param elem Element number of the searched Dicom Element
+ * @return
+ */
+DocEntry *ElementSet::GetDocEntry(uint16_t group, uint16_t elem)
+{
+ TagKey key = DictEntry::TranslateToKey(group, elem);
+ TagDocEntryHT::iterator it = TagHT.find(key);
+
+ if ( it!=TagHT.end() )
+ return it->second;
+ return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
+// Print
+/**
+ * \brief Prints the Header Entries (Dicom Elements) from the H Table
+ * @param os ostream to write to
+ * @param indent Indentation string to be prepended during printing
+ */
+void ElementSet::Print(std::ostream &os, std::string const & )
+{
+ for( TagDocEntryHT::const_iterator i = TagHT.begin(); i != TagHT.end(); ++i)
+ {
+ DocEntry *entry = i->second;
+
+ entry->SetPrintLevel(PrintLevel);
+ entry->Print(os);
+
+ if ( dynamic_cast<SeqEntry*>(entry) )
+ {
+ // Avoid the newline for a sequence:
+ continue;
+ }
+ os << std::endl;
+ }
+}
+
+//-----------------------------------------------------------------------------
+} // end namespace gdcm