Program: gdcm
Module: $RCSfile: gdcmDocument.cxx,v $
Language: C++
- Date: $Date: 2008/01/04 13:32:01 $
- Version: $Revision: 1.378 $
+ Date: $Date: 2008/01/07 18:12:02 $
+ Version: $Revision: 1.379 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
* @param l_max length to parse (meaningless when we are in 'delimitor mode')
* @param delim_mode : whether we are in 'delimitor mode' (l=0xffffff) or not
*/
-bool Document::ParseDES(DocEntrySet *set, long offset,
+void Document::ParseDES(DocEntrySet *set, long offset,
long l_max, bool delim_mode)
{
DocEntry *newDocEntry;
// (Entry will then be deleted)
bool delim_mode_intern = delim_mode;
bool first = true;
- bool successParseDES = true;
gdcmDebugMacro( "Enter in ParseDES, delim-mode " << delim_mode
<< " at offset " << std::hex << "0x(" << offset << ")" );
while (true)
{
newSeqEntry->SetDepthLevel( parentSQItem->GetDepthLevel() + 1 );
}
-
- bool res = true;
+
if ( l != 0 )
{ // Don't try to parse zero-length sequences
<< " at offset 0x(" << std::hex
<< newDocEntry->GetOffset() << ")");
- res = ParseSQ( newSeqEntry,
+ bool res = ParseSQ( newSeqEntry,
newDocEntry->GetOffset(),
l, delim_mode_intern);
gdcmDebugMacro( "Exit from ParseSQ, delim " << delim_mode_intern << " -->return : " << res);
-
- }
-
- if ( !res )
- {
- gdcmDebugMacro( "in ParseDES : ParseSQ failed " << newSeqEntry->GetKey()
- << " (at offset : 0x(" << std::hex
- << newSeqEntry->GetOffset() << ") )" );
-
- successParseDES = false;
- newDocEntry = BacktrackSQtoOB(newSeqEntry, set);
- set->AddEntry( newDocEntry); /// \todo fixme : the whole process is not done
- /// (check SQItem length, when the DataElement is inside a Sequence)
-
- //
- //
- //
-
- continue;
}
-
if ( !set->AddEntry( newSeqEntry ) )
{
gdcmWarningMacro( "in ParseDES : cannot add a SeqEntry "
break;
}
} // end While
-
gdcmDebugMacro( "Exit from ParseDES, delim-mode " << delim_mode );
-
- return successParseDES;
}
/**
{
OffsetOfPreviousParseDES = offsetStartCurrentSQItem;
}
-
+
// fill up the current SQItem, starting at the beginning of fff0,e000
-
Fp->seekg(offsetStartCurrentSQItem, std::ios::beg); // Once per SQItem
- bool res = ParseDES(itemSQ, offsetStartCurrentSQItem, l+8, dlm_mod);
+ ParseDES(itemSQ, offsetStartCurrentSQItem, l+8, dlm_mod);
offsetStartCurrentSQItem = Fp->tellg(); // Once per SQItem
seqEntry->AddSQItem( itemSQ, SQItemNumber );
itemSQ->Delete();
newDocEntry->Delete();
SQItemNumber++;
- if (!res) // to avoid extra -useless- work when illegal UN stands for OB ...
- {
- gdcmDebugMacro("in ParseSQ : ParseDES failed");
- return false;
- }
//if ( !delim_mode && ((long)(Fp->tellg())-offset ) >= l_max ) //JPRx
if ( !delim_mode && (offsetStartCurrentSQItem-offset ) >= l_max )
{
}
/**
- * \brief When a private Sequence + Implicit VR
- * (or UN + undefined length element) is encountered
+ * \brief When a private Sequence + Implicit VR is encountered
* we cannot guess it's a Sequence till we find the first
* Item Starter. We then backtrack to do the job.
* @param docEntry Item Starter that warned us
// Move back to the beginning of the Sequence
Fp->seekg(offset, std::ios::beg); // Only for Shadow Implicit VR SQ
- return newEntry; // It will be added where it has to be!
-}
-
-
-/**
- * \brief When a private OB + Implicit VR
- * (or UN + undefined length element) is encountered
- * we made first a bad assumption -it should be a Sequence-
- * When we realize we were wrong, we backtrack.
- * WARNING : it will probabely fail if the element
- * is embedded within a sequence
- * @param docEntry Item Starter that warned us
- * @param set DocEntrySet (ElementSet/SQItem) the DocEntry will belong
- */
-
-DataEntry *Document::BacktrackSQtoOB(SeqEntry *docEntry, DocEntrySet *set)
-{
- // Get all info we can from SeqEntry
-
- uint16_t group = docEntry->GetGroup();
- uint16_t elem = docEntry->GetElement();
- uint32_t lgt = docEntry->GetLength();
- long offset = docEntry->GetOffset();
-
- gdcmDebugMacro( "BacktrackSQtoOB(" << std::hex << group
- << "|" << elem
- << " at offset 0x(" <<offset << ")" );
-
- //set->RemoveEntry( docEntry );
- docEntry->Delete(); // not yet included into a DocEntrySet !
-
- // forge the OB Entry
- DataEntry *newEntry = NewDataEntry(group, elem, "OB");
- newEntry->SetOffset(offset);
-
- // Move back to the beginning of the Element
- Fp->seekg(offset, std::ios::beg);
-
- uint32_t lengthOB = FindDocEntryLengthOBOrOW();// for encapsulation of encoded pixel
-
- newEntry->SetReadLength(lengthOB);
- newEntry->SetLength(lengthOB);
-
- Fp->seekg(offset, std::ios::beg);
- LoadDocEntry(newEntry, true); // true : forceload
-
- /// \todo fixme : it will fail if the element
- /// is embedded within a sequence (sequence length checking is not done)
-
- return newEntry; // It will be added (ElementSet/SQItem) where it has to be!
+ return newEntry; // It will added where it has to be!
}
/**
Program: gdcm
Module: $RCSfile: gdcmDocument.h,v $
Language: C++
- Date: $Date: 2008/01/04 13:32:01 $
- Version: $Revision: 1.151 $
+ Date: $ $
+ Version: $ $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
uint32_t UnswapLong(uint32_t a) { return SwapLong(a);}
// Read
- bool ParseDES(DocEntrySet *set, long offset, long l_max, bool delim_mode);
+ void ParseDES(DocEntrySet *set, long offset, long l_max, bool delim_mode);
bool ParseSQ (SeqEntry *seq, long offset, long l_max, bool delim_mode);
void LoadDocEntry (DocEntry *e, bool forceLoad = false);
void HandleBrokenEndian (uint16_t &group, uint16_t &elem);
void HandleOutOfGroup0002(uint16_t &group, uint16_t &elem);
- DocEntry *Backtrack(DocEntry *docEntry, DocEntrySet *set);
- DataEntry *BacktrackSQtoOB(SeqEntry *docEntry, DocEntrySet *set);
+ DocEntry *Backtrack(DocEntry *docEntry, DocEntrySet *set);
+
+// Variables
protected:
/// value of the ??? for any progress bar
float Progress;
projects / gdcm.git / commitdiff