]> Creatis software - gdcm.git/blobdiff - src/gdcmSQItem.cxx
ENH: Fix a shadow variable
[gdcm.git] / src / gdcmSQItem.cxx
index f0ed2598584ba1139e11346720bf1ddc0d59d13d..b861e9d98364aa2af6fdf94e871145bd078d171f 100644 (file)
@@ -1,10 +1,30 @@
-// gdcmSQItem.cxx
-//-----------------------------------------------------------------------------
-//
+/*=========================================================================
+  
+  Program:   gdcm
+  Module:    $RCSfile: gdcmSQItem.cxx,v $
+  Language:  C++
+  Date:      $Date: 2004/08/01 03:20:23 $
+  Version:   $Revision: 1.23 $
+  
+  Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
+  l'Image). All rights reserved. See Doc/License.txt or
+  http://www.creatis.insa-lyon.fr/Public/Gdcm/License.htm for details.
+  
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+  
+=========================================================================*/
+
 #include "gdcmSQItem.h"
+#include "gdcmSeqEntry.h"
+#include "gdcmValEntry.h"
+#include "gdcmBinEntry.h"
 #include "gdcmGlobal.h"
 #include "gdcmUtil.h"
 
+#include "gdcmDebug.h"
+
 
 //-----------------------------------------------------------------------------
 // Constructor / Destructor
  * \ingroup gdcmSQItem
  * \brief   Constructor from a given gdcmSQItem
  */
-gdcmSQItem::gdcmSQItem( ) 
-          : gdcmDocEntrySet() {
+gdcmSQItem::gdcmSQItem(int depthLevel ) 
+          : gdcmDocEntrySet(depthLevel)
+{
+   SQDepthLevel = depthLevel +1;
 }
 
 /**
@@ -25,54 +47,218 @@ gdcmSQItem::~gdcmSQItem()
        cc != docEntries.end();
        ++cc)
    {
-      delete *cc;
+      delete (*cc);
    }
+   docEntries.clear();
 }
 
-
 //-----------------------------------------------------------------------------
 // Print
 /*
- * \ingroup gdcmSQItem
  * \brief   canonical Printer
  */
- void gdcmSQItem::Print(std::ostream & os) {
+ void gdcmSQItem::Print(std::ostream & os)
+ {
+   std::ostringstream s;
+
+   if (SQDepthLevel > 0)
+   {
+      for (int i = 0; i < SQDepthLevel; ++i)
+      {
+         s << "   | " ;
+      }
+   }
+   std::cout << s.str() << " --- SQItem number " << SQItemNumber  << std::endl;
+   for (ListDocEntry::iterator i  = docEntries.begin();
+                               i != docEntries.end();
+                             ++i)
+   {
+      gdcmDocEntry* Entry = *i;
+      bool PrintEndLine = true;
+
+      os << s.str();
+      Entry->SetPrintLevel(2);
+      Entry->Print(os);   
+      if ( gdcmSeqEntry* SeqEntry = dynamic_cast<gdcmSeqEntry*>(Entry) )
+      {
+         (void)SeqEntry;  //not used
+         PrintEndLine = false;
+      }
+      if (PrintEndLine)
+      {
+         os << std::endl;
+      }
+   } 
+}
 
+/*
+ * \ingroup gdcmSQItem
+ * \brief   canonical Writer
+ */
+void gdcmSQItem::Write(FILE *fp,FileType filetype)
+{
    for (ListDocEntry::iterator i = docEntries.begin();  
         i != docEntries.end();
         ++i)
    {
-      //(*i)->SetPrintLevel(printLevel); //self->GetPrintLevel() ?
-      (*i)->Print(os);   
+      // Item Delimitor Item IS the last one of a 'no length' SQItem
+      // (when it exists) we don't write it right now
+      // It will be written outside, because ALL the SQItems are written
+      // as 'no length'
+      if ( (*i)->IsItemDelimitor() )
+      {
+         break;
+      }
+
+      // Fix in order to make some MR PHILIPS images e-film readable
+      // see gdcmData/gdcm-MR-PHILIPS-16-Multi-Seq.dcm:
+      // we just *always* ignore spurious fffe|0000 tag ! 
+      if ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0x0000 )
+      {
+         break;
+      }
+
+      // It's up to the gdcmDocEntry Writter to write the SQItem begin element
+      // (fffe|e000) as a 'no length' one
+      (*i)->Write(fp, filetype);
    } 
 }
 
 //-----------------------------------------------------------------------------
 // Public
-
-bool gdcmSQItem::AddEntry(gdcmDocEntry *entry) {
+/**
+ * \brief   adds any Entry (Dicom Element) to the Sequence Item
+ */
+bool gdcmSQItem::AddEntry(gdcmDocEntry *entry)
+{
    docEntries.push_back(entry);
    //TODO : check if it worked
    return true;
 }   
-                                 
+
+/**
+ * \brief   Sets Entry (Dicom Element) value of an element,
+ *          specified by it's tag (Group, Number) 
+ *          and the length, too ...  inside a SQ Item
+ *          If the Element is not found, it's just created !
+ * \warning we suppose, right now, the element belongs to a Public Group
+ *          (NOT a shadow one)       
+ * @param   val string value to set
+ * @param   group Group number of the searched tag.
+ * @param   element Element number of the searched tag.
+ * @return  true if element was found or created successfully
+ */
+
+bool gdcmSQItem::SetEntryByNumber(std::string val,uint16_t group, 
+                                  uint16_t element)
+{
+   for(ListDocEntry::iterator i = docEntries.begin(); i != docEntries.end(); ++i)
+   { 
+      if ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0xe000 ) 
+      {
+         continue;
+      }
+
+      if (  ( group   < (*i)->GetGroup() )
+          ||( group == (*i)->GetGroup() && element < (*i)->GetElement()) )
+      {
+         // instead of ReplaceOrCreateByNumber 
+         // that is a method of gdcmDocument :-( 
+         gdcmValEntry* entry = 0;
+         gdcmTagKey key = gdcmDictEntry::TranslateToKey(group, element);
+
+         if ( ! PtagHT->count(key))
+         {
+            // we assume a Public Dictionnary *is* loaded
+            gdcmDict *pubDict = gdcmGlobal::GetDicts()->GetDefaultPubDict();
+            // if the invoked (group,elem) doesn't exist inside the Dictionary
+            // we create a VirtualDictEntry
+            gdcmDictEntry *dictEntry = pubDict->GetDictEntryByNumber(group,
+                                                                     element);
+            if (dictEntry == NULL)
+            {
+               dictEntry = 
+                  gdcmGlobal::GetDicts()->NewVirtualDictEntry(group, element,
+                                                              "UN", "??", "??");
+            } 
+            // we assume the constructor didn't fail
+            entry = new gdcmValEntry(dictEntry);
+            /// \todo
+            /// ----
+            /// better we don't assume too much !
+            /// gdcmSQItem is now used to describe any DICOMDIR related object
+         }
+         else
+         {
+            gdcmDocEntry* foundEntry = PtagHT->find(key)->second;
+            entry = dynamic_cast<gdcmValEntry*>(foundEntry);
+            if (!entry)
+            {
+               dbg.Verbose(0, "gdcmSQItem::SetEntryByNumber: docEntries"
+                              " contains non gdcmValEntry occurences");
+            }
+         }
+         if (entry)
+         {
+            entry->SetValue(val); 
+         }
+         entry->SetLength(val.length());
+         docEntries.insert(i,entry);
+
+         return true;
+      }   
+      if (group == (*i)->GetGroup() && element == (*i)->GetElement() )
+      {
+         if ( gdcmValEntry* entry = dynamic_cast<gdcmValEntry*>(*i) )
+         {
+            entry->SetValue(val);
+         }
+         (*i)->SetLength(val.length()); 
+         return true;    
+      }
+   }
+   return false;
+}
 //-----------------------------------------------------------------------------
 // Protected
 
-//-----------------------------------------------------------------------------
-// Private
 
-// end-user intended : the guy *wants* to create his own SeQuence ?!?
-gdcmDocEntry *gdcmSQItem::NewDocEntryByNumber(guint16 group,
-                                              guint16 element) {
-// TODO                                  
-   gdcmDocEntry *a;   
-   return a;                             
+/**
+ * \brief   Gets a Dicom Element inside a SQ Item Entry, by number
+ * @return
+ */
+gdcmDocEntry *gdcmSQItem::GetDocEntryByNumber(uint16_t group, uint16_t element)
+{
+   for(ListDocEntry::iterator i = docEntries.begin();
+                              i != docEntries.end(); ++i)
+   {
+      if ( (*i)->GetGroup() == group && (*i)->GetElement() == element )
+      {
+         return *i;
+      }
+   }
+   return 0;
 }
 
-gdcmDocEntry *gdcmSQItem::NewDocEntryByName  (std::string Name) {
-// TODO        :                         
-   gdcmDocEntry *a;   
-   return a;                             
+/**
+ * \brief   Get the value of a Dicom Element inside a SQ Item Entry, by number
+ * @return
+ */ 
+
+std::string gdcmSQItem::GetEntryByNumber(uint16_t group, uint16_t element)
+{
+   for(ListDocEntry::iterator i = docEntries.begin();
+                              i != docEntries.end(); ++i)
+   {
+      if ( (*i)->GetGroup() == group && (*i)->GetElement() == element)
+      {
+         return ((gdcmValEntry *)(*i))->GetValue();   //FIXME
+      }
+   }
+   return GDCM_UNFOUND;
 }
 //-----------------------------------------------------------------------------
+// Private
+
+
+//-----------------------------------------------------------------------------