ENH: Try to sync gdcm CVS and gdcm 1.2. ~2000 lines of changes, please be gentle...

[gdcm.git] / src / gdcmElementSet.cxx

diff --git a/src/gdcmElementSet.cxx b/src/gdcmElementSet.cxx
index 0c662dd070e5ffdb7290754aa60d6dec0691b1bd..e7855bdd16c051d90cd46b2f296d6eceeb5a88f0 100644 (file)
--- a/src/gdcmElementSet.cxx
+++ b/src/gdcmElementSet.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmElementSet.cxx,v $
   Language:  C++
-  Date:      $Date: 2005/10/18 08:35:50 $
-  Version:   $Revision: 1.65 $
+  Date:      $Date: 2006/02/16 20:06:14 $
+  Version:   $Revision: 1.73 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -28,11 +28,9 @@ namespace gdcm
 /**
  * \brief   Constructor for a given ElementSet
  */
-//BOZ depthLevel is not usefull anymore
-ElementSet::ElementSet(int depthLevel) 
+ElementSet::ElementSet() 
           : DocEntrySet()
 {
-  (void)depthLevel;
 }
 
 /**
@@ -56,8 +54,20 @@ void ElementSet::WriteContent(std::ofstream *fp, FileType filetype)
    for (TagDocEntryHT::const_iterator i = TagHT.begin(); 
                                      i != TagHT.end(); 
                                     ++i)
-   {
-      i->second->WriteContent(fp, filetype);
+   { 
+       // depending on the gdcm::Document type 
+       // (gdcm::File; gdcm::DicomDir, (more to come ?)
+       // some groups *cannot* be present.
+       // We hereby protect gdcm for writting stupid things
+       // if they were found in the original document. 
+       if ( !MayIWrite( (i->second)->GetGroup() ) ) 
+          continue;
+      // Skip 'Group Length' element, since it may be wrong.
+      //       except for Group 0002 
+       if ( (i->second)->GetElement() == 0x0000 
+         && (i->second)->GetGroup() != 0x0002 )
+          continue; 
+       i->second->WriteContent(fp, filetype);
    } 
 }
 
@@ -77,6 +87,7 @@ bool ElementSet::AddEntry(DocEntry *newEntry)
    else
    {
       TagHT.insert(TagDocEntryHT::value_type(newEntry->GetKey(), newEntry));
+      newEntry->Register();
       return true;
    }
 }
@@ -91,8 +102,7 @@ bool ElementSet::RemoveEntry( DocEntry *entryToRemove)
    if ( TagHT.count(key) == 1 )
    {
       TagHT.erase(key);
-      //gdcmWarningMacro( "One element erased.");
-      delete entryToRemove;
+      entryToRemove->Unregister();
       return true;
    }
 
@@ -100,24 +110,6 @@ bool ElementSet::RemoveEntry( DocEntry *entryToRemove)
    return false ;
 }
 
-/**
- * \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
  */
@@ -127,7 +119,7 @@ void ElementSet::ClearEntry()
    {
       if ( cc->second )
       {
-         delete cc->second;
+         cc->second->Unregister();
       }
    }
    TagHT.clear();
@@ -178,6 +170,74 @@ DocEntry *ElementSet::GetDocEntry(uint16_t group, uint16_t elem)
    return NULL;
 }
 
+/**
+ * \brief Copies all the attributes from an other DocEntrySet 
+ * @param set entry to copy from
+ * @remarks The contained DocEntries a not copied, only referenced
+ */
+void ElementSet::Copy(DocEntrySet *set)
+{
+   // Remove all previous entries
+   ClearEntry();
+
+   DocEntrySet::Copy(set);
+
+   ElementSet *eltSet = dynamic_cast<ElementSet *>(set);
+   if( eltSet )
+   {
+      TagHT = eltSet->TagHT;
+      for(ItTagHT = TagHT.begin();ItTagHT != TagHT.end();++ItTagHT)
+      {
+         (ItTagHT->second)->Register();
+      }
+   }
+}
+
+/**
+ * \brief Checks whether *all* the DataEntries of the group have all
+ *        the same type for VR (ImplicitVR or ExplicitVR) 
+ * @param group group number to be checked
+ * @return 1:ImplicitVR 2:ExplicitVR -1:NotCoherent 
+ */
+int ElementSet::IsVRCoherent( uint16_t group )
+{
+   uint16_t currentGroup;
+   int codeVR = -1;
+   int currentCodeVR;
+   for(TagDocEntryHT::iterator cc = TagHT.begin();cc != TagHT.end(); ++cc)
+   {
+      currentGroup = cc->second->GetGroup();
+
+      if ( currentGroup < group )
+         continue;   
+      if ( currentGroup > group )
+         break;
+      // currentGroup == group
+      if (codeVR == -1)
+      {
+         if (cc->second->IsImplicitVR() )
+            codeVR = 1;
+         else 
+            codeVR = 2;
+         continue;
+      }
+      else
+      {
+         if (cc->second->IsImplicitVR() )
+            currentCodeVR = 1; //Implicit
+         else 
+            currentCodeVR = 2; // Explicit  
+  
+         if ( currentCodeVR == codeVR )
+           continue;
+         else
+            return -1;    // -1 : not coherent 
+      }
+   }   
+   return codeVR;
+}
+
+
 //-----------------------------------------------------------------------------
 // Protected
 
@@ -208,7 +268,7 @@ void ElementSet::Print(std::ostream &os, std::string const & )
       entry->SetPrintLevel(PrintLevel);
       entry->Print(os);   
 
-      if ( dynamic_cast<SeqEntry *>(entry) )
+      if ( dynamic_cast<SeqEntry*>(entry) )
       {
          // Avoid the newline for a sequence:
          continue;