* src/gdcmHeader.cxx gdcmHeader::gdcmHeader now calls LoadElements(),

[gdcm.git] / src / gdcmElValSet.cxx

diff --git a/src/gdcmElValSet.cxx b/src/gdcmElValSet.cxx
index a0ebec2ea53c0afe453aa1cad663abbb2e2f7c03..094974503232cc230538aa109c08c5b4ddc2fa26 100644 (file)
--- a/src/gdcmElValSet.cxx
+++ b/src/gdcmElValSet.cxx
@@ -10,6 +10,7 @@ TagElValueHT & gdcmElValSet::GetTagHt(void) {
 }
 
 void gdcmElValSet::Add(gdcmElValue * newElValue) {
+   cout << "#### gdcmElValSet::Add" << newElValue->GetKey() << newElValue->GetName() << endl;
        tagHt [newElValue->GetKey()]  = newElValue;
        NameHt[newElValue->GetName()] = newElValue;
 }
@@ -130,6 +131,23 @@ int gdcmElValSet::SetElValueByName(string content, string TagName) {
        return(1);              
 }
 
+/**
+ * \ingroup  gdcmElValSet
+ * \brief    Generate a free TagKey i.e. a TagKey that is not present
+ *           in the TagHt dictionary. One of the potential usage is
+ *           to add  gdcm generated additional informartion to the ElValSet
+ *           (see gdcmHeader::AddAndDefaultElements).
+ * @param group The generated tag must belong to this group.  
+ * @return   The element of tag with given group which is fee.
+ */
+guint32 gdcmElValSet::GenerateFreeTagKeyInGroup(guint32 group) {
+   for (guint32 elem = 0; elem < UINT32_MAX; elem++) {
+      TagKey key = gdcmDictEntry::TranslateToKey(group, elem);
+      if (tagHt.count(key) == 0)
+         return elem;
+   }
+   return UINT32_MAX;
+}
 
 int gdcmElValSet::SetElValueLengthByNumber(guint32 l,
                                            guint32 group, guint32 element) {