ENH: Apply JMR patch for gethostname

[gdcm.git] / src / gdcmElementSet.cxx

diff --git a/src/gdcmElementSet.cxx b/src/gdcmElementSet.cxx
index cfd3aad0afff45cf91405322690087465bfb9378..dd2c6d1976c5d0383d5846379ad972c0c3d473a8 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: 2004/11/16 13:20:34 $
-  Version:   $Revision: 1.29 $
+  Date:      $Date: 2004/12/03 17:13:18 $
+  Version:   $Revision: 1.33 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -44,15 +44,11 @@ ElementSet::ElementSet(int depthLevel)
  */
 ElementSet::~ElementSet() 
 {
-  for(TagDocEntryHT::iterator cc = TagHT.begin();cc != TagHT.end(); ++cc)
+   for(TagDocEntryHT::iterator cc = TagHT.begin();cc != TagHT.end(); ++cc)
    {
-      DocEntry* entryToDelete = cc->second;
-      if ( entryToDelete )
+      if ( cc->second )
       {
-         // FIXME
-         // Because the gdcmFile links the datas of gdcmPixelConvert with the
-         // data in a binArea, these datas are deleted 2 times... very bad...
-         //delete entryToDelete;
+         delete cc->second;
       }
    }
    TagHT.clear();
@@ -91,13 +87,13 @@ void ElementSet::Print(std::ostream& os)
   *          from the H Table
   * @return
   */ 
-void ElementSet::Write(std::ofstream* fp, FileType filetype)
+void ElementSet::WriteContent(std::ofstream* fp, FileType filetype)
 {
    for (TagDocEntryHT::const_iterator i = TagHT.begin(); 
                                      i != TagHT.end(); 
                                     ++i)
    {
-      i->second->Write(fp, filetype);
+      i->second->WriteContent(fp, filetype);
    } 
 }
 //-----------------------------------------------------------------------------
@@ -130,39 +126,70 @@ bool ElementSet::AddEntry(DocEntry* newEntry)
 }
 
 /**
- * \brief   Clear the hash table from given entry BUT keep the entry.
- * @param   entryToRemove Entry to remove.
+ * \brief   Clear the hash table from given entry AND delete the entry.
+ * @param   entryToRemove Entry to remove AND delete.
+ * \warning Some problems when using under Windows... prefer the use of
+ *          Initialize / GetNext methods
  */
-bool ElementSet::RemoveEntryNoDestroy(DocEntry* entryToRemove)
+bool ElementSet::RemoveEntry( DocEntry* entryToRemove)
 {
    const TagKey& key = entryToRemove->GetKey();
    if( TagHT.count(key) == 1 )
    {
       TagHT.erase(key);
       dbg.Verbose(0, "ElementSet::RemoveEntry: one element erased.");
+      delete entryToRemove;
       return true;
    }
 
-   dbg.Verbose(0, "ElementSet::RemoveEntry: key not present: ");
+   dbg.Verbose(0, "ElementSet::RemoveEntry: key not present");
    return false ;
 }
 
 /**
- * \brief   Clear the hash table from given entry AND delete the entry.
- * @param   entryToRemove Entry to remove AND delete.
+ * \brief   Clear the hash table from given entry BUT keep the entry.
+ * @param   entryToRemove Entry to remove.
  */
-bool ElementSet::RemoveEntry( DocEntry* entryToRemove)
+bool ElementSet::RemoveEntryNoDestroy(DocEntry* entryToRemove)
 {
    const TagKey& key = entryToRemove->GetKey();
    if( TagHT.count(key) == 1 )
    {
       TagHT.erase(key);
       dbg.Verbose(0, "ElementSet::RemoveEntry: one element erased.");
-      delete entryToRemove;
       return true;
    }
 
-   dbg.Verbose(0, "ElementSet::RemoveEntry: key not present: ");
+   dbg.Verbose(0, "ElementSet::RemoveEntry: key not present");
    return false ;
 }
+
+/**
+ * \brief   Initialise the visit of the Hash table (TagHT)
+ */
+void ElementSet::Initialize()
+{
+   ItTagHT = TagHT.begin();
+}
+
+/**
+ * \brief   Get the next entry whil visiting the Hash table (TagHT)
+ * \return  The next DocEntry if found, otherwhise NULL
+ */
+DocEntry *ElementSet::GetNextEntry()
+{
+   if (ItTagHT != TagHT.end())
+   {
+      DocEntry *tmp = ItTagHT->second;
+      ++ItTagHT;
+
+      return(tmp);
+   }
+   else
+   {
+      return(NULL);
+   }
+}
+
+//-----------------------------------------------------------------------------
 } // end namespace gdcm