+// VS6 need a single implementation in the dll
+#if defined(_MSC_VER) && (_MSC_VER == 1200)
+/// \brief checks is a supposed-to-be VR is a 'legal' one.
+bool VR::IsValidVR(VRKey const &key)
+{
+ return vr.find(key) != vr.end();
+#ifdef USECOMPLETELYUNTESTEDCODE
+ // to avoid to search in a std::map of std::string,
+ // since each std::string is 2 characters longs, we check the array
+ // (29 char comparisons in the worst case!)
+
+ // "RT" is an undocumented VR, found in some Siemens images.
+ // We added it here to be able to read these images.
+ // Dict/gdcmVR.dic, Document has to be updated, too.
+ static const char VRvalues[] =
+ "AEASATCSDADSDTFLFDISLOLTOBOWOFPNSHSLSQSSSTTMUIULUNUSUTRT";
+
+ //int nbVal = strlen(VRvalues)/2; // save CPU time.
+ int nbVal = 28;
+
+ const char *pt = VRvalues;
+ for (int i=0;i<nbVal;i++)
+ {
+ if(key[0] == *pt++) {
+ if(key[1] == *pt++) {
+ return true;
+ }
+ }
+ else {
+ pt++;
+ }
+ }
+ return false;
+#endif