// 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;
/**
* \brief constructor
- * @param inFilename
+ * @param inFilename file to be opened for parsing
* @param exception_on_error whether we throw an exception or not
* @param enable_sequences = true to allow the header
- * to be parsed *inside* the SeQuences,
+ * to be parsed *inside* the SeQuences,
* when they have an actual length
+ * \warning enable_sequences *has to be* true for reading PAPYRUS 3.0 files
* @param ignore_shadow to allow skipping the shadow elements,
* to save memory space.
* \warning The TRUE value for this param has to be used
return;
if (ParseHeader()) {
LoadHeaderEntries();
- }
+ }
CloseFile();
wasUpdated = 0; // will be set to 1 if user adds an entry
* @param exception_on_error
*/
gdcmParser::gdcmParser(bool exception_on_error) {
+ (void)exception_on_error;
enableSequences=0;
SetMaxSizeLoadEntry(MAX_SIZE_LOAD_ELEMENT_VALUE);
/**
* \ingroup gdcmParser
* \brief Prints the Header Entries (Dicom Elements)
- * both from the H Table and the chained list
+ * from the chained list
* @return
*/
void gdcmParser::PrintEntry(std::ostream & os) {
- std::ostringstream s;
for (ListTag::iterator i = listEntries.begin();
i != listEntries.end();
(*i)->SetPrintLevel(printLevel);
(*i)->Print(os);
}
- os<<s.str();
}
/**
* \ingroup gdcmParser
- * \brief Prints The Dict Entries of THE public Dicom Dictionnry
+ * \brief Prints the Header Entries (Dicom Elements)
+ * from the chained list
+ * and skips the elements belonging to a 'no length' SeQuence
+ * @return
+ */
+void gdcmParser::PrintEntryNoSQ(std::ostream & os) {
+ int countSQ = 0;
+ for (ListTag::iterator i = listEntries.begin();
+ i != listEntries.end();
+ ++i)
+ {
+ if ( (*i)->GetVR() == "SQ"){
+ countSQ ++;
+ }
+
+ if ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0xe0dd){
+ countSQ --;
+ continue;
+ }
+
+ if (countSQ == 0) {
+ (*i)->SetPrintLevel(printLevel);
+ (*i)->Print(os);
+ }
+ }
+}
+
+/**
+ * \ingroup gdcmParser
+ * \brief Prints the Header Entries (Dicom Elements)
+ * from the chained list
+ * 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) {
+ 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
*/
void gdcmParser::PrintPubDict(std::ostream & os) {
}
/**
- * \ingroup gdcmParser
- * \brief Prints The Dict Entries of THE shadow Dicom Dictionnary
+ * \brief Prints The Dict Entries of THE shadow Dicom Dictionary
* @return
*/
void gdcmParser::PrintShaDict(std::ostream & os) {
//-----------------------------------------------------------------------------
// Public
/**
- * \ingroup gdcmParser
* \brief Get the public dictionary used
*/
gdcmDict *gdcmParser::GetPubDict(void) {
}
/**
- * \ingroup gdcmParser
* \brief Get the shadow dictionary used
*/
gdcmDict *gdcmParser::GetShaDict(void) {
}
/**
- * \ingroup gdcmParser
* \brief Set the shadow dictionary used
* \param dict dictionary to use in shadow
*/
}
/**
- * \ingroup gdcmParser
* \brief Set the shadow dictionary used
* \param dictName name of the dictionary to use in shadow
*/
}
/**
- * \ingroup gdcmParser
* \brief This predicate, based on hopefully reasonable heuristics,
* decides whether or not the current gdcmParser was properly parsed
* and contains the mandatory information for being considered as
}
/**
- * \ingroup gdcmParser
* \brief Determines if the Transfer Syntax was already encountered
* and if it corresponds to a ImplicitVRLittleEndian one.
* @return True when ImplicitVRLittleEndian found. False in all other cases.
}
/**
- * \ingroup gdcmParser
* \brief Determines if the Transfer Syntax was already encountered
* and if it corresponds to a DeflatedExplicitVRLittleEndian one.
* @return True when DeflatedExplicitVRLittleEndian found. False in all other cases.
}
/**
- * \ingroup gdcmParser
* \brief Determines if the Transfer Syntax was already encountered
* and if it corresponds to a Explicit VR Big Endian one.
* @return True when big endian found. False in all other cases.
}
/**
- * \ingroup gdcmParser
* \brief returns the File Type
* (ACR, ACR_LIBIDO, ExplicitVR, ImplicitVR, Unknown)
* @return the FileType code
}
/**
- * \ingroup gdcmParser
* \brief opens the file
* @param exception_on_error
* @return
}
/**
- * \ingroup gdcmParser
* \brief closes the file
* @return TRUE if the close was successfull
*/
}
/**
- * \ingroup gdcmParser
- * \brief writes on disc all the Header Entries (Dicom Elements)
+ * \brief Writes in a file all the Header Entries (Dicom Elements)
* of the Chained List
* @param fp file pointer on an already open file
- * @param type type of the File to be written
+ * @param type Type of the File to be written
* (ACR-NEMA, ExplicitVR, ImplicitVR)
- * @return always "True" ?!
+ * \return Always true.
*/
bool gdcmParser::Write(FILE *fp, FileType type) {
// ==============
/* TODO : rewrite later, if really usefull
+--> Warning : un-updated odd groups lengths can causes pb
+--> (xmedcon breaks)
+--> to be re- written with future org.
+
if ( (type == ImplicitVR) || (type == ExplicitVR) )
UpdateGroupLength(false,type);
if ( type == ACR)
WriteEntries(fp,type);
return(true);
- }
+}
/**
- * \ingroup gdcmParser
* \brief Modifies the value of a given Header Entry (Dicom Element)
- * if it exists; Creates it with the given value if it doesn't
- * \warning : adds the Header Entry to the HTable, NOT to the chained List
- * @param Value passed as a std::string
- * @param Group group of the Entry
- * @param Elem element of the Entry
- * \return pointer to the created Header Entry
- * NULL if creation failed
+ * when it exists. Create it with the given value when unexistant.
+ * \warning Adds the Header Entry to the HTable, NOT to the chained List
+ * @param Value Value to be set
+ * @param Group Group of the Entry
+ * @param Elem Element of the Entry
+ * \return pointer to the modified/created Header Entry (NULL when creation
+ * failed).
*/
gdcmHeaderEntry * gdcmParser::ReplaceOrCreateByNumber(
std::string Value,
gdcmHeaderEntry* a;
a = GetHeaderEntryByNumber( Group, Elem);
if (a == NULL) {
- gdcmHeaderEntry *a =NewHeaderEntryByNumber(Group, Elem);
+ a =NewHeaderEntryByNumber(Group, Elem);
if (a == NULL)
return NULL;
AddHeaderEntry(a);
}
- //SetEntryByNumber(Value, Group, Elem);
+ //CLEANME SetEntryByNumber(Value, Group, Elem);
a->SetValue(Value);
return(a);
}
/**
- * \ingroup gdcmParser
- * \brief Modifies the value of a given Header Entry (Dicom Element)
- * if it exists; Creates it with the given value if it doesn't
- * @param Value passed as a char*
- * @param Group group of the Entry
- * @param Elem element of the Entry
- * \return pointer to the created Header Entry
- * NULL if creation failed
- *
- */
-gdcmHeaderEntry * gdcmParser::ReplaceOrCreateByNumber(
- char* Value,
- guint16 Group,
- guint16 Elem ) {
- gdcmHeaderEntry* nvHeaderEntry=NewHeaderEntryByNumber(Group, Elem);
-
- if(!nvHeaderEntry)
- return(NULL);
-
- AddHeaderEntry(nvHeaderEntry);
-
- std::string v = Value;
- SetEntryByNumber(v, Group, Elem);
- return(nvHeaderEntry);
-}
-
-/**
- * \ingroup gdcmParser
- * \brief Set a new value if the invoked element exists
- * Seems to be useless !!!
+ * \brief Set a new value if the invoked element exists
+ * Seems to be useless !!!
* @param Value new element value
* @param Group group of the Entry
* @param Elem element of the Entry
// Protected
/**
- * \ingroup gdcmParser
* \brief Checks if a given Dicom Element exists
* within the H table
* @param group Group number of the searched Dicom Element
}
/**
- * \ingroup gdcmParser
* \brief Loads (from disk) the element content
* when a string is not suitable
* @param Group group of the Entry
return NULL;
size_t o =(size_t)Element->GetOffset();
fseek(fp, o, SEEK_SET);
- int l=Element->GetLength();
- void * a = malloc(l);
+ size_t l=Element->GetLength();
+ 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;
}
}
/**
- * \ingroup gdcmParser
* \brief Re-computes the length of a ACR-NEMA/Dicom group from a DcmHeader
* \warning : to be re-written using the chained list instead of the H table.
* \warning : DO NOT use (doesn't work any longer because of the multimap)
// since it's at the end of the Hash Table
// (fffe,e0dd)
- // pas SEQUENCE en ACR-NEMA
+ // there is SEQUENCE in ACR-NEMA
// WARNING :
// --> la descente a l'interieur' des SQ
// devrait etre faite avec une liste chainee, pas avec une HTable...
{
// FIXME: g++ -Wall -Wstrict-prototypes reports on following line:
// warning: unsigned int format, different type arg
- sscanf(g->first.c_str(),"%x",&gr_bid);
+ sscanf(g->first.c_str(),"%x",&gr_bid); //FIXME
tk = g->first + "|0000"; // generate the element full tag
if ( tagHT.count(tk) == 0) // if element 0x0000 not found
}
/**
- * \ingroup gdcmParser
- * \brief writes on disc according to the requested format
- * (ACR-NEMA, ExplicitVR, ImplicitVR) ONE
- * gdcmHeaderEntry
- * @param tag pointer on the gdcmHeaderEntry to be written
- * @param type type of the File to be written
- * (ACR-NEMA, ExplicitVR, ImplicitVR)
- * @param _fp already open file pointer
+ * \brief Writes in a file (according to the requested format)
+ * the group, the element, the value representation and the length
+ * of a single gdcmHeaderEntry passed as argument.
+ * @param tag pointer on the gdcmHeaderEntry to be written
+ * @param _fp already open file pointer
+ * @param type type of the File to be written
*/
-void gdcmParser::WriteEntry(gdcmHeaderEntry *tag, FILE *_fp,FileType type)
+void gdcmParser::WriteEntryTagVRLength(gdcmHeaderEntry *tag,
+ FILE *_fp,
+ FileType type)
{
guint16 group = tag->GetGroup();
std::string vr = tag->GetVR();
- guint32 length = tag->GetLength();
guint16 el = tag->GetElement();
guint32 lgr = tag->GetReadLength();
- // === Deal with the length
- // --------------------
- if(length%2==1)
- {
- tag->SetValue(tag->GetValue()+"\0");
- tag->SetLength(tag->GetReadLength()+1);
- }
+ if ( (group == 0xfffe) && (el == 0x0000) )
+ // 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 !
+ return;
fwrite ( &group,(size_t)2 ,(size_t)1 ,_fp); //group
- fwrite ( &el,(size_t)2 ,(size_t)1 ,_fp); //element
+ fwrite ( &el,(size_t)2 ,(size_t)1 ,_fp); //element
if ( type == ExplicitVR ) {
// Hence we skip writing the VR and length and we pad by writing
// 0xffffffff
- if (el == 0x0000)
- // Fix in order to make some MR PHILIPS images e-film readable
- // see gdcmData/gdcm-MR-PHILIPS-16-Multi-Seq.dcm:
- // we just ignore spurious fffe|0000 tag !
- return;
-
int ff=0xffffffff;
fwrite (&ff,(size_t)4 ,(size_t)1 ,_fp);
return;
{
fwrite ( &lgr,(size_t)4 ,(size_t)1 ,_fp);
}
+}
- // === Deal with the value
- // -------------------
- if (vr == "SQ") return; // no "value" to write for the SEQuences
- if (group == 0xfffe)return; // no "value" to write for the delimiters
-
- // Pixels are never loaded in the element !
- // we stop writting when Pixel are processed
- // FIX : we loose trailing elements (RAB, right now)
-
- int compte =0;
- itsTimeToWritePixels = false;
- if ((group == GrPixel) && (el == NumPixel) ) {
- compte++;
- if (compte == countGrPixel) {// we passed *all* the GrPixel,NumPixel
- itsTimeToWritePixels = true;
- return;
- }
- }
+/**
+ * \brief Writes in a file (according to the requested format)
+ * the value of a single gdcmHeaderEntry passed as argument.
+ * @param tag Pointer on the gdcmHeaderEntry to be written
+ * @param _fp Already open file pointer
+ * @param type type of the File to be written
+ */
+void gdcmParser::WriteEntryValue(gdcmHeaderEntry *tag, FILE *_fp,FileType type)
+{
+ (void)type;
+ guint16 group = tag->GetGroup();
+ std::string vr = tag->GetVR();
+ guint32 lgr = tag->GetReadLength();
+
+ if (vr == "SQ")
+ // SeQuences have no value:
+ return;
+ if (group == 0xfffe)
+ // Delimiters have no associated value:
+ return;
void *voidArea;
voidArea = tag->GetVoidArea();
if (vr == "US" || vr == "SS")
{
+ // some 'Short integer' fields may be mulivaluated
+ // each single value is separated from the next one by '\'
+ // we split the string and write each value as a short int
std::vector<std::string> tokens;
tokens.erase(tokens.begin(),tokens.end()); // clean any previous value
Tokenize (tag->GetValue(), tokens, "\\");
tokens.clear();
return;
}
-
+ // some 'Integer' fields may be mulivaluated
+ // each single value is separated from the next one by '\'
+ // we split the string and write each value as an int
if (vr == "UL" || vr == "SL")
{
std::vector<std::string> tokens;
}
tokens.clear();
return;
- }
-
+ }
fwrite (tag->GetValue().c_str(), (size_t)lgr ,(size_t)1, _fp); // Elem value
}
/**
- * \ingroup gdcmParser
+ * \brief Writes in a file (according to the requested format)
+ * a single gdcmHeaderEntry passed as argument.
+ * \sa WriteEntryValue, WriteEntryTagVRLength.
+ * @param tag Pointer on the gdcmHeaderEntry to be written
+ * @param _fp Already open file pointer
+ * @param type type of the File to be written
+ */
+
+bool gdcmParser::WriteEntry(gdcmHeaderEntry *tag, FILE *_fp,FileType type)
+{
+ guint32 length = tag->GetLength();
+
+ // The value of a tag MUST (see the DICOM norm) be an odd number of
+ // bytes. When this is not the case, pad with an additional byte:
+ if(length%2==1)
+ {
+ tag->SetValue(tag->GetValue()+"\0");
+ tag->SetLength(tag->GetReadLength()+1);
+ }
+
+ WriteEntryTagVRLength(tag, _fp, type);
+ WriteEntryValue(tag, _fp, type);
+ return true;
+}
+
+/**
* \brief writes on disc according to the requested format
* (ACR-NEMA, ExplicitVR, ImplicitVR) the image
* using the Chained List
* @param _fp already open file pointer
*/
-void gdcmParser::WriteEntries(FILE *_fp,FileType type)
+bool gdcmParser::WriteEntries(FILE *_fp,FileType type)
{
// TODO (?) tester les echecs en ecriture (apres chaque fwrite)
-
+
for (ListTag::iterator tag2=listEntries.begin();
tag2 != listEntries.end();
++tag2)
// Ignore the documented delimiter
continue;
}
- WriteEntry(*tag2,_fp,type);
- if (itsTimeToWritePixels)
- break;
+ if (! WriteEntry(*tag2,_fp,type) )
+ return false;
}
+ return true;
}
/**
// --> will be done with the next organization
if ((*tag2->second).GetGroup() == 0xfffe ) continue; // ignore delimiters
}
- WriteEntry(tag2->second,_fp,type);
- if (itsTimeToWritePixels)
+ if ( ! WriteEntry(tag2->second,_fp,type))
break;
}
}
* @return false if file is not ACR-NEMA / DICOM
*/
bool gdcmParser::ParseHeader(bool exception_on_error) throw(gdcmFormatError) {
-
+ (void)exception_on_error;
rewind(fp);
if (!CheckSwap())
return false;
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;
}
Entry->SetValue(s.str());
return;
}
-
- // When integer(s) are expected, read and convert the following
- // n *(two or four bytes)
- // properly i.e. as integers as opposed to strings.
- // Elements with Value Multiplicity > 1
- // contain a set of integers (not a single one)
// Any compacter code suggested (?)
if ( IsHeaderEntryAnInteger(Entry) ) {
guint32 NewInt;
std::ostringstream s;
int nbInt;
+ // When short integer(s) are expected, read and convert the following
+ // n *two characters properly i.e. as short integers as opposed to strings.
+ // Elements with Value Multiplicity > 1
+ // contain a set of integers (not a single one)
if (vr == "US" || vr == "SS") {
nbInt = length / 2;
NewInt = ReadInt16();
}
}
}
+ // When integer(s) are expected, read and convert the following
+ // n * four characters properly i.e. as integers as opposed to strings.
+ // Elements with Value Multiplicity > 1
+ // contain a set of integers (not a single one)
else if (vr == "UL" || vr == "SL") {
nbInt = length / 4;
NewInt = ReadInt32();
*/
void gdcmParser::FindHeaderEntryLength (gdcmHeaderEntry *Entry) {
guint16 element = Entry->GetElement();
- guint16 group = Entry->GetGroup();
+ //guint16 group = Entry->GetGroup(); //FIXME
std::string vr = Entry->GetVR();
guint16 length16;
-
- if( (element == NumPixel) && (group == GrPixel) )
- {
- dbg.SetDebug(GDCM_DEBUG);
- dbg.Verbose(2, "gdcmParser::FindLength: ",
- "we reached (GrPixel,NumPixel)");
- }
+
if ( (filetype == ExplicitVR) && (! Entry->IsImplicitVR()) )
{
// is in explicit VR and try to fix things if it happens not to be
// the case.
- int lgrLue=fread (&VR, (size_t)2,(size_t)1, fp); // lgrLue not used
+ (void)fread (&VR, (size_t)2,(size_t)1, fp);
VR[2]=0;
if(!CheckHeaderEntryVR(Entry,VR))
{
std::ostringstream s;
int nbInt;
+ // When short integer(s) are expected, read and convert the following
+ // n * 2 bytes properly i.e. as a multivaluated strings
+ // (each single value is separated fromthe next one by '\'
+ // as usual for standard multivaluated filels
+ // Elements with Value Multiplicity > 1
+ // contain a set of short integers (not a single one)
+
if (vr == "US" || vr == "SS")
{
guint16 NewInt16;
}
}
+ // When integer(s) are expected, read and convert the following
+ // n * 4 bytes properly i.e. as a multivaluated strings
+ // (each single value is separated fromthe next one by '\'
+ // as usual for standard multivaluated filels
+ // Elements with Value Multiplicity > 1
+ // contain a set of integers (not a single one)
else if (vr == "UL" || vr == "SL")
{
guint32 NewInt32;
*/
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