X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmElementSet.cxx;h=a59c4e19d4f41fe8d53fa4403615d13af1b8d685;hb=20233e0e4bc268a63105f697c663feedecbe99f7;hp=44044e4f64da07765d8978fea65de7597a1cce73;hpb=ed0cb816b9fbe45a5dfead3f7d95194e0cbbd3a4;p=gdcm.git

diff --git a/src/gdcmElementSet.cxx b/src/gdcmElementSet.cxx
index 44044e4f..a59c4e19 100644
--- a/src/gdcmElementSet.cxx
+++ b/src/gdcmElementSet.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmElementSet.cxx,v $
   Language:  C++
-  Date:      $Date: 2005/01/19 15:24:28 $
-  Version:   $Revision: 1.46 $
+  Date:      $Date: 2005/10/27 11:39:34 $
+  Version:   $Revision: 1.70 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -18,23 +18,19 @@
 
 #include "gdcmElementSet.h"
 #include "gdcmDebug.h"
-#include "gdcmValEntry.h"
-#include "gdcmBinEntry.h"
 #include "gdcmSeqEntry.h"
+#include "gdcmDataEntry.h"
 
 namespace gdcm 
 {
-
 //-----------------------------------------------------------------------------
 // Constructor / Destructor
 /**
- * \brief   Constructor from a given ElementSet
+ * \brief   Constructor for a given ElementSet
  */
-//BOZ depthLevel is not usefull anymore
-ElementSet::ElementSet(int depthLevel) 
-              : DocEntrySet()
+ElementSet::ElementSet() 
+          : DocEntrySet()
 {
-  (void)depthLevel;
 }
 
 /**
@@ -42,40 +38,7 @@ ElementSet::ElementSet(int depthLevel)
  */
 ElementSet::~ElementSet() 
 {
-   for(TagDocEntryHT::iterator cc = TagHT.begin();cc != TagHT.end(); ++cc)
-   {
-      if ( cc->second )
-      {
-         delete cc->second;
-      }
-   }
-   TagHT.clear();
-}
-
-//-----------------------------------------------------------------------------
-// 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;
-   }
+   ClearEntry();
 }
 
 //-----------------------------------------------------------------------------
@@ -91,17 +54,23 @@ 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);
    } 
 }
 
-//-----------------------------------------------------------------------------
-// Protected
-
-//-----------------------------------------------------------------------------
-// Private
-
 /**
  * \brief   add a new Dicom Element pointer to the H Table
  * @param   newEntry entry to add
@@ -110,14 +79,15 @@ bool ElementSet::AddEntry(DocEntry *newEntry)
 {
    const TagKey &key = newEntry->GetKey();
 
-   if( TagHT.count(key) == 1 )
+   if ( TagHT.count(key) == 1 )
    {
-      gdcmVerboseMacro( "Key already present: " << key.c_str());
+      gdcmWarningMacro( "Key already present: " << key );
       return false;
    }
    else
    {
       TagHT.insert(TagDocEntryHT::value_type(newEntry->GetKey(), newEntry));
+      newEntry->Register();
       return true;
    }
 }
@@ -129,38 +99,35 @@ bool ElementSet::AddEntry(DocEntry *newEntry)
 bool ElementSet::RemoveEntry( DocEntry *entryToRemove)
 {
    const TagKey &key = entryToRemove->GetKey();
-   if( TagHT.count(key) == 1 )
+   if ( TagHT.count(key) == 1 )
    {
       TagHT.erase(key);
-      //gdcmVerboseMacro( "One element erased.");
-      delete entryToRemove;
+      entryToRemove->Unregister();
       return true;
    }
 
-   gdcmVerboseMacro( "Key not present");
+   gdcmWarningMacro( "Key not present : " << key);
    return false ;
 }
 
 /**
- * \brief   Clear the hash table from given entry BUT keep the entry.
- * @param   entryToRemove Entry to remove.
+ * \brief   delete all entries in the ElementSet
  */
-bool ElementSet::RemoveEntryNoDestroy(DocEntry *entryToRemove)
+void ElementSet::ClearEntry()
 {
-   const TagKey &key = entryToRemove->GetKey();
-   if( TagHT.count(key) == 1 )
+   for(TagDocEntryHT::iterator cc = TagHT.begin();cc != TagHT.end(); ++cc)
    {
-      TagHT.erase(key);
-      //gdcmVerboseMacro( "One element erased.");
-      return true;
+      if ( cc->second )
+      {
+         cc->second->Unregister();
+      }
    }
-
-   gdcmVerboseMacro( "Key not present");
-   return false ;
+   TagHT.clear();
 }
 
 /**
- * \brief   Get the first entry while visiting the DocEntrySet
+ * \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()
@@ -172,7 +139,8 @@ DocEntry *ElementSet::GetFirstEntry()
 }
 
 /**
- * \brief   Get the next entry while visiting the Hash table (TagHT)
+ * \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
  */
@@ -186,5 +154,60 @@ DocEntry *ElementSet::GetNextEntry()
    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 & )
+{
+   // Let's change the 'warning value' for Pixel Data,
+   // to avoid human reader to be confused by 'gdcm::NotLoaded'.   
+   DataEntry *pixelElement = GetDataEntry(0x7fe0,0x0010);
+   if ( pixelElement != 0 )
+   {
+      pixelElement->SetFlag( DataEntry::FLAG_PIXELDATA );
+   }
+
+   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