* src/gdcmDocument.cxx : fix bug... test if the fp is opened to use it

[gdcm.git] / src / gdcmDocument.cxx

diff --git a/src/gdcmDocument.cxx b/src/gdcmDocument.cxx
index 854e6db28d1193494b02061ea6219ec690e3aed7..73c7ecf74cd10d2e3c127b600eb3b826b9f09c68 100644 (file)
--- a/src/gdcmDocument.cxx
+++ b/src/gdcmDocument.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmDocument.cxx,v $
   Language:  C++
-  Date:      $Date: 2004/11/17 10:20:07 $
-  Version:   $Revision: 1.133 $
+  Date:      $Date: 2004/11/25 10:24:34 $
+  Version:   $Revision: 1.138 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -39,6 +39,8 @@ namespace gdcm
 static const char *TransferSyntaxStrings[] =  {
   // Implicit VR Little Endian
   "1.2.840.10008.1.2",
+  // Implicit VR Little Endian DLX G.E?
+  "1.2.840.113619.5.2",
   // Explicit VR Little Endian
   "1.2.840.10008.1.2.1",
   // Deflated Explicit VR Little Endian
@@ -486,6 +488,15 @@ void Document::Write(std::ofstream* fp, FileType filetype)
    /// (necessary if user wants to write a DICOM V3 file
    /// starting from an  ACR-NEMA (V2)  Header
 
+   if ( filetype == ImplicitVR || filetype == ExplicitVR )
+   {
+      // writing Dicom File Preamble
+      char filePreamble[128];
+      memset(filePreamble, 0, 128);
+      fp->write(filePreamble, 128);
+      fp->write("DICM", 4);
+   }
+
    if (filetype == ImplicitVR) 
    {
       std::string ts = 
@@ -1063,7 +1074,12 @@ void Document::LoadEntryBinArea(uint16_t group, uint16_t elem)
    if ( !docElement )
       return;
 
-   size_t o =(size_t)docElement->GetOffset();
+   BinEntry *binElement = dynamic_cast<BinEntry *>(docElement);
+   if( !binElement )
+      return;
+
+   LoadEntryBinArea(binElement);
+/*   size_t o =(size_t)docElement->GetOffset();
    Fp->seekg( o, std::ios_base::beg);
    size_t l = docElement->GetLength();
    uint8_t* a = new uint8_t[l];
@@ -1086,8 +1102,9 @@ void Document::LoadEntryBinArea(uint16_t group, uint16_t elem)
    {
       delete[] a;
       dbg.Verbose(0, "Document::LoadEntryBinArea setting failed.");
-   }
+   }*/
 }
+
 /**
  * \brief         Loads (from disk) the element content 
  *                when a string is not suitable
@@ -1095,8 +1112,16 @@ void Document::LoadEntryBinArea(uint16_t group, uint16_t elem)
  */
 void Document::LoadEntryBinArea(BinEntry* element) 
 {
+   if(element->GetBinArea())
+      return;
+
+   bool openFile = !Fp;
+   if(openFile)
+      OpenFile();
+
    size_t o =(size_t)element->GetOffset();
    Fp->seekg(o, std::ios_base::beg);
+
    size_t l = element->GetLength();
    uint8_t* a = new uint8_t[l];
    if( !a )
@@ -1114,6 +1139,9 @@ void Document::LoadEntryBinArea(BinEntry* element)
    }
 
    element->SetBinArea(a);
+
+   if(openFile)
+      CloseFile();
 }
 
 /**
@@ -1258,9 +1286,12 @@ ValEntry* Document::GetValEntryByNumber(uint16_t group, uint16_t element)
  */
 void Document::LoadDocEntrySafe(DocEntry * entry)
 {
-   long PositionOnEntry = Fp->tellg();
-   LoadDocEntry(entry);
-   Fp->seekg(PositionOnEntry, std::ios_base::beg);
+   if(Fp)
+   {
+      long PositionOnEntry = Fp->tellg();
+      LoadDocEntry(entry);
+      Fp->seekg(PositionOnEntry, std::ios_base::beg);
+   }
 }
 
 /**
@@ -1387,10 +1418,12 @@ void Document::ParseDES(DocEntrySet *set, long offset,
 
             if (delimitor)
             {
+               delete newDocEntry;
                break;
             }
             if ( !delim_mode && ((long)(Fp->tellg())-offset) >= l_max)
             {
+               delete newDocEntry;
                break;
             }
          }
@@ -1455,6 +1488,7 @@ void Document::ParseDES(DocEntrySet *set, long offset,
     
          // Just to make sure we are at the beginning of next entry.
          SkipToNextDocEntry(newDocEntry);
+         //delete newDocEntry;
       }
       else
       {
@@ -1506,6 +1540,7 @@ void Document::ParseDES(DocEntrySet *set, long offset,
          set->AddEntry( newSeqEntry );
          if ( !delim_mode && ((long)(Fp->tellg())-offset) >= l_max)
          {
+            delete newDocEntry;
             break;
          }
       }
@@ -1535,13 +1570,14 @@ void Document::ParseSQ( SeqEntry* seqEntry,
       {
          if ( newDocEntry->IsSequenceDelimitor() )
          {
-            seqEntry->SetSequenceDelimitationItem( newDocEntry );
+            seqEntry->SetSequenceDelimitationItem( newDocEntry ); 
             break;
          }
       }
       if ( !delim_mode && ((long)(Fp->tellg())-offset) >= l_max)
       {
-          break;
+         delete newDocEntry;
+         break;
       }
 
       SQItem *itemSQ = new SQItem( seqEntry->GetDepthLevel() );
@@ -1563,6 +1599,7 @@ void Document::ParseSQ( SeqEntry* seqEntry,
       }
    
       ParseDES(itemSQ, newDocEntry->GetOffset(), l, dlm_mod);
+      delete newDocEntry;
       
       seqEntry->AddEntry( itemSQ, SQItemNumber ); 
       SQItemNumber++;
@@ -2609,6 +2646,7 @@ bool Document::CheckSwap()
 }
 
 
+
 /**
  * \brief Restore the unproperly loaded values i.e. the group, the element
  *        and the dictionary entry depending on them. 
@@ -3100,7 +3138,7 @@ void Document::BuildFlatHashTableRecurse( TagDocEntryHT& builtHT,
  *        Document.
  *
  *        The structure used by a Document (through \ref ElementSet),
- *        in order to old the parsed entries of a Dicom header, is a recursive
+ *        in order to hold the parsed entries of a Dicom header, is a recursive
  *        one. This is due to the fact that the sequences (when present)
  *        can be nested. Additionaly, the sequence items (represented in
  *        gdcm as \ref SQItem) add an extra complexity to the data