// gdcmParser.cxx
//-----------------------------------------------------------------------------
+#include "gdcmParser.h"
+#include "gdcmGlobal.h"
+#include "gdcmUtil.h"
+#include "gdcmDebug.h"
+
#include <errno.h>
#include <vector>
#include <netinet/in.h>
#endif
-#ifdef GDCM_NO_ANSI_STRING_STREAM
-# include <strstream>
-# define ostringstream ostrstream
-# else
-# include <sstream>
-#endif
# include <iomanip>
-#include "gdcmParser.h"
-#include "gdcmGlobal.h"
-#include "gdcmUtil.h"
-#include "gdcmDebug.h"
-
#define UI1_2_840_10008_1_2 "1.2.840.10008.1.2"
#define UI1_2_840_10008_1_2_1 "1.2.840.10008.1.2.1"
#define UI1_2_840_10008_1_2_2 "1.2.840.10008.1.2.2"
#define UI1_2_840_10008_1_2_1_99 "1.2.840.10008.1.2.1.99"
+typedef struct {
+ guint32 totalSQlength;
+ guint32 alreadyParsedlength;
+} pileElem;
+
//-----------------------------------------------------------------------------
// Refer to gdcmParser::CheckSwap()
const unsigned int gdcmParser::HEADER_LENGTH_TO_READ = 256;
* \ingroup gdcmParser
* \brief Prints the Header Entries (Dicom Elements)
* from the chained list
- * and skips the elements belonging to a SeQuence
+ * and skips the elements belonging to a 'no length' SeQuence
* @return
*/
void gdcmParser::PrintEntryNoSQ(std::ostream & os) {
* \ingroup gdcmParser
* \brief Prints the Header Entries (Dicom Elements)
* from the chained list
- * and indents the elements belonging to a SeQuence
+ * and indents the elements belonging to any SeQuence
+ * \warning : will be removed
* @return
*/
void gdcmParser::PrintEntryNiceSQ(std::ostream & os) {
+ pileElem pile[50]; // Hope embedded sequence depth is no more than 50
+ int top =-1;
int countSQ = 0;
+ int currentParsedlength = 0;
+ int totalElementlength;
std::ostringstream tab;
tab << " ";
+
+ int DEBUG = 0; // Sorry; Dealing with e-film breaker images
+ // will (certainly) cause a lot of troubles ...
+ // I prefer keeping my 'trace' on .
+
for (ListTag::iterator i = listEntries.begin();
- i != listEntries.end();
- ++i)
- {
- // we ignore '0 length' SeQuences
- if ( (*i)->GetVR() == "SQ" && (*i)->GetReadLength()!=0){
- countSQ ++;
- }
- // a SeQuence is over when a Sequence Delimiter Item is found
- // pb : 'actual length' Sequence have NO Sequence Delimiter
- // --> They 'never' finish : check the global length !
- if ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0xe0dd){
- countSQ --;
- continue;
- }
-
-
- if (countSQ != 0) {
- for (int i=0;i<countSQ;i++)
- os << tab.str();
- }
- (*i)->SetPrintLevel(printLevel);
- (*i)->Print(os);
- }
+ i != listEntries.end();
+ ++i) {
+ if ( (*i)->GetVR() == "SQ" && (*i)->GetReadLength() != 0) { // SQ found
+ countSQ++;
+ top ++;
+ if ( top >= 50) {
+ std::cout << "Kaie ! Kaie! SQ stack overflow" << std::endl;
+ return;
+ }
+ if (DEBUG) std::cout << "\n >>>>> empile niveau " << top
+ << "; Lgr SeQ: " << (*i)->GetReadLength()
+ << "\n" <<std::endl;
+
+ pile[top].totalSQlength = (*i)->GetReadLength();
+ pile[top].alreadyParsedlength = 0;
+ currentParsedlength = 0;
+
+ } else { // non SQ found
+
+ if (countSQ != 0) { // we are 'inside a SeQuence'
+ if ( (*i)->GetGroup()==0xfffe && (*i)->GetElement()==0xe0dd){
+ // we just found 'end of SeQuence'
+
+ if (DEBUG)
+ std::cout << "fffe,e0dd : depile" << std::endl;
+ currentParsedlength += 8; // gr:2 elem:2 vr:2 lgt:2
+ countSQ --;
+ top --;
+ pile[top].alreadyParsedlength += currentParsedlength;
+ } else {
+ // we are on a 'standard' elem
+ // or a Zero-length SeQuence
+
+ totalElementlength = (*i)->GetFullLength();
+ currentParsedlength += totalElementlength;
+ pile[top].alreadyParsedlength += totalElementlength;
+
+ if (pile[top].totalSQlength == 0xffffffff) {
+ if (DEBUG)
+ std::cout << "totalSeQlength == 0xffffffff"
+ << std::endl;
+ } else {
+ if (DEBUG)
+ std::cout << "alrdyPseLgt:"
+ << pile[top].alreadyParsedlength << " totSeQlgt: "
+ << pile[top].totalSQlength << " curPseLgt: "
+ << currentParsedlength
+ << std::endl;
+ while (pile[top].alreadyParsedlength==pile[top].totalSQlength) {
+
+ if (DEBUG)
+ std::cout << " \n<<<<<< On depile niveau " << top
+ << "\n" << std::endl;
+
+ currentParsedlength = pile[top].alreadyParsedlength;
+ countSQ --;
+ top --;
+ if (top >=0) {
+
+ pile[top].alreadyParsedlength += currentParsedlength +12;
+ // 12 : length of 'SQ embedded' SQ element
+ currentParsedlength += 8; // gr:2 elem:2 vr:2 lgt:2
+
+ if (DEBUG)
+ std::cout << pile[top].alreadyParsedlength << " "
+ << pile[top].totalSQlength << " "
+ << currentParsedlength
+ << std::endl;
+ }
+ if (top == -1) {
+ currentParsedlength = 0;
+ break;
+ }
+ }
+ }
+ }
+ } // end : 'inside a SeQuence'
+ }
+
+ if (countSQ != 0) {
+ for (int i=0;i<countSQ;i++)
+ os << tab.str();
+ }
+ (*i)->SetPrintLevel(printLevel);
+ (*i)->Print(os);
+
+ } // end for
}
+
+
+
/**
* \brief Prints The Dict Entries of THE public Dicom Dictionary
* @return
size_t o =(size_t)Element->GetOffset();
fseek(fp, o, SEEK_SET);
size_t l=Element->GetLength();
- void * a = malloc(l);
+ char* a = new char[l];
if(!a)
return NULL;
size_t l2 = fread(a, 1, l ,fp);
if(l != l2)
{
- free(a);
+ delete[] a;
return NULL;
}
guint16 group = Entry->GetGroup();
std::string vr= Entry->GetVR();
guint32 length = Entry->GetLength();
- bool SkipLoad = false;
fseek(fp, (long)Entry->GetOffset(), SEEK_SET);
-
- // the test was commented out to 'go inside' the SeQuences
- // we don't any longer skip them !
-
- // if( vr == "SQ" ) // (DO NOT remove this comment)
- // SkipLoad = true;
// A SeQuence "contains" a set of Elements.
// (fffe e000) tells us an Element is beginning
// (fffe e00d) tells us an Element just ended
// (fffe e0dd) tells us the current SeQuence just ended
- if( group == 0xfffe )
- SkipLoad = true;
-
- if ( SkipLoad ) {
- Entry->SetLength(0);
+ if( group == 0xfffe ) {
Entry->SetValue("gdcm::Skipped");
return;
}
//guint16 group = Entry->GetGroup(); //FIXME
std::string vr = Entry->GetVR();
guint16 length16;
+
if ( (filetype == ExplicitVR) && (! Entry->IsImplicitVR()) )
{
*/
void gdcmParser::FixHeaderEntryFoundLength(gdcmHeaderEntry *Entry, guint32 FoundLength)
{
- Entry->SetReadLength(FoundLength); // will be updated only if a bug is found
-
+ Entry->SetReadLength(FoundLength); // will be updated only if a bug is found
if ( FoundLength == 0xffffffff) {
FoundLength = 0;
}
}
// Sorry for the patch!
- // XMedCom did the trick to read some nasty GE images ...
+ // XMedCom did the trick to read some naughty GE images ...
if (FoundLength == 13) {
// The following 'if' will be removed when there is no more
// images on Creatis HDs with a 13 length for Manufacturer...
FoundLength =0; // ReadLength is unchanged
}
- // a SeQuence Element is beginning
- // fffe|e000 is just a marker, its length *should be* zero
+ // we found a 'delimiter' element
+ // fffe|xxxx is just a marker, we don't take its length into account
else if(Entry->GetGroup() == 0xfffe)
- {
+ {
// *normally, fffe|0000 doesn't exist !
if( Entry->GetElement() != 0x0000 ) // gdcm-MR-PHILIPS-16-Multi-Seq.dcm
- // causes extra troubles :-(
- FoundLength =0;
- }
+ // causes extra troubles :-(
+ FoundLength =0;
+ }
+
Entry->SetUsableLength(FoundLength);
}
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff