-// gdcmDocEntrySet.cxx
-//-----------------------------------------------------------------------------
-//
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmDocEntrySet.cxx,v $
+ Language: C++
+ Date: $Date: 2005/01/08 15:03:59 $
+ Version: $Revision: 1.41 $
+
+ 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.html 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 "gdcmDocEntrySet.h"
-#include <iomanip> // for std::ios::left, ...
-
+#include "gdcmDebug.h"
+#include "gdcmCommon.h"
+#include "gdcmDictSet.h"
+#include "gdcmGlobal.h"
+#include "gdcmException.h"
+#include "gdcmDocEntry.h"
+#include "gdcmSeqEntry.h"
+#include "gdcmValEntry.h"
+#include "gdcmBinEntry.h"
+
+namespace gdcm
+{
//-----------------------------------------------------------------------------
-// Constructor / Destructor
+// Public
+
+
/**
- * \ingroup gdcmDocEntrySEt
- * \brief Constructor from a given gdcmDocEntrySet
+ * \brief Request a new virtual dict entry to the dict set
+ * @param group group number of the underlying DictEntry
+ * @param elem element number of the underlying DictEntry
+ * @param vr VR (Value Representation) of the underlying DictEntry
+ * @param vm VM (Value Multiplicity) of the underlying DictEntry
+ * @param name english name
*/
-gdcmDocEntrySet::gdcmDocEntrySet() {
-
+DictEntry* DocEntrySet::NewVirtualDictEntry( uint16_t group,uint16_t elem,
+ TagName const & vr,
+ TagName const & vm,
+ TagName const & name )
+{
+ return Global::GetDicts()->NewVirtualDictEntry(group,elem,vr,vm,name);
}
//-----------------------------------------------------------------------------
-// Print
-/*
- * \ingroup gdcmDocEntrySet
- * \brief canonical Printer
+// Protected
+/**
+ * \brief Build a new Val Entry from all the low level arguments.
+ * Check for existence of dictionary entry, and build
+ * a default one when absent.
+ * @param group group number of the new Entry
+ * @param elem element number of the new Entry
+ * @param vr VR of the new Entry
*/
+ValEntry *DocEntrySet::NewValEntry(uint16_t group,uint16_t elem,
+ TagName const & vr)
+{
+ DictEntry *dictEntry = GetDictEntry(group, elem, vr);
+ gdcmAssertMacro(dictEntry);
+ ValEntry *newEntry = new ValEntry(dictEntry);
+ if (!newEntry)
+ {
+ gdcmVerboseMacro( "Failed to allocate ValEntry");
+ return 0;
+ }
+ return newEntry;
+}
-//-----------------------------------------------------------------------------
-// Public
-
-
-//-----------------------------------------------------------------------------
-// Protected
-
-//-----------------------------------------------------------------------------
-// Private
/**
- * \brief Parses an EntrySet (Document header or SQ Item )
- * \ and load element values (a voir !)
- * @return false if file is not ACR-NEMA / PAPYRUS / DICOM
+ * \brief Build a new Bin Entry from all the low level arguments.
+ * Check for existence of dictionary entry, and build
+ * a default one when absent.
+ * @param group group number of the new Entry
+ * @param elem element number of the new Entry
+ * @param vr VR of the new Entry
*/
-bool gdcmDocument::LoadDocEntrySet(bool exception_on_error) throw(gdcmFormatError) {
- (void)exception_on_error;
- rewind(fp);
- if (!CheckSwap())
- return false;
-
- gdcmDocEntry *newDocEntry = (gdcmDocEntry *)0;
- gdcmValEntry *newValEntry = (gdcmValEntry *)0;
- gdcmBinEntry *newBinEntry = (gdcmBinEntry *)0;
- gdcmSeqEntry *newSeqEntry = (gdcmSeqEntry *)0;
- //gdcmDictEntry *NewTag = (gdcmDictEntry *)0;
-
- while (newDocEntry = ReadNextDocEntry())) {
- // TODO (?) : liberation du DocEntry ainsi cree,
- // apres copie dans un ValEntry, SeqEntry, BinEntry
- vr = newDocEntry->getVR();
-
- if (vr == "SQ" ) {
- // --- SeqEntry
-
- newSeqEntry = (gdcmSeqEntry *)0;
- if (!NewSeqEntry) {
- dbg.Verbose(1, "gdcmDocEntrySet::LoadDocEntrySet",
- "failed to allocate gdcmSeqEntry");
- return false;
- }
- newSeqEntry->Copy(newDocEntry);
- // TODO
- // SEQUENCE; appel 'récursif' de ??? pour charger la 'valeur'
- // (ensemble d' ITEMs, en fait,
- // chaque ITEM etant chargé avec LoadDocEntrySet)
-
- SkipDocEntry(newSeqEntry); // voir ce qu'on fait pour une SeQuence
- AddDocEntry(newSeqEntry);
-
- } else if (vr == "AE" || vr == "AS" || vr == "DA" || vr == "PN" ||
- vr == "UI" || vr == "TM" ) {
- // --- ValEntry
-
- newValEntry = (gdcmValEntry *)0;
- if (!NewValEntry) {
- dbg.Verbose(1, "gdcmDocEntrySet::LoadDocEntrySet",
- "failed to allocate gdcmValEntry");
- return false;
- }
- newValEntry->Copy(newDocEntry);
- SkipDocEntry(newValEntry);
- AddDocEntry(newValEntry);
-
- } else {
- // --- BinEntry
-
- NewBinEntry = new gdcmBinEntry(DictEntry);
- if (!NewValEntry) {
- dbg.Verbose(1, "gdcmDocEntrySet::LoadDocEntrySet",
- "failed to allocate gdcmBinEntry");
- return false;
- }
- newBinEntry->Copy(newDocEntry);
- SkipDocEntry(newBinEntry);
- AddDocEntry(newBinEntry);
- }
- }
- rewind(fp);
-
-
- // TODO : il n'y a plus de Chained List qui contient toutes les Entries
- // Le chargement des valeurs devra se faire à la volée
- // Be carefull : merging this two loops may cause troubles ...
- for (ListTag::iterator i = GetListEntry().begin();
- i != GetListEntry().end();
- ++i)
- {
- LoadDocEntry(*i);
- }
- rewind(fp);
-
- // --------------------------------------------------------------
- // Special Patch to allow gdcm to read ACR-LibIDO formated images
- //
- // if recognition code tells us we deal with a LibIDO image
- // we switch lineNumber and columnNumber
- //
- std::string RecCode;
- RecCode = GetEntryByNumber(0x0008, 0x0010); // recognition code
- if (RecCode == "ACRNEMA_LIBIDO_1.1" ||
- RecCode == "CANRME_AILIBOD1_1." ) // for brain-damaged softwares
- // with "little-endian strings"
+BinEntry *DocEntrySet::NewBinEntry(uint16_t group,uint16_t elem,
+ TagName const & vr)
+{
+ DictEntry *dictEntry = GetDictEntry(group, elem, vr);
+ gdcmAssertMacro(dictEntry);
+
+ BinEntry *newEntry = new BinEntry(dictEntry);
+ if (!newEntry)
{
- filetype = ACR_LIBIDO;
- std::string rows = GetEntryByNumber(0x0028, 0x0010);
- std::string columns = GetEntryByNumber(0x0028, 0x0011);
- SetEntryByNumber(columns, 0x0028, 0x0010);
- SetEntryByNumber(rows , 0x0028, 0x0011);
+ gdcmVerboseMacro( "Failed to allocate BinEntry");
+ return 0;
}
- // ----------------- End of Special Patch ----------------
- return true;
+ return newEntry;
}
+/**
+ * \brief Build a new Seq Entry from all the low level arguments.
+ * Check for existence of dictionary entry, and build
+ * a default one when absent.
+ * @param group group number of the new Entry
+ * @param elem element number of the new Entry
+ */
+SeqEntry* DocEntrySet::NewSeqEntry(uint16_t group,uint16_t elem)
+{
+ DictEntry *dictEntry = GetDictEntry(group, elem, "SQ");
+ gdcmAssertMacro(dictEntry);
+ SeqEntry *newEntry = new SeqEntry( dictEntry );
+ if (!newEntry)
+ {
+ gdcmVerboseMacro( "Failed to allocate SeqEntry");
+ return 0;
+ }
+ return newEntry;
+}
/**
- * \brief Check the correspondance between the VR of the header entry
- * and the taken VR. If they are different, the header entry is
- * updated with the new VR.
- * @param Entry Header Entry to check
- * @param vr Dicom Value Representation
- * @return false if the VR is incorrect of if the VR isn't referenced
- * otherwise, it returns true
-*/
-
-// NE MARCHE PAS EN L'ETAT :
-// On a besoin de VR pour 'fabriquer', au choix ValEntry, BinEntry, ou SeqEntry.
-//
-
-bool gdcmDocEntrySet::CheckEntryVR(gdcmHeaderEntry *Entry, VRKey vr)
+ * \brief Searches both the public and the shadow dictionary (when they
+ * exist) for the presence of the DictEntry with given
+ * group and element. The public dictionary has precedence on the
+ * shadow one.
+ * @param group group number of the searched DictEntry
+ * @param elem element number of the searched DictEntry
+ * @return Corresponding DictEntry when it exists, NULL otherwise.
+ */
+DictEntry *DocEntrySet::GetDictEntry(uint16_t group,uint16_t elem)
{
- char msg[100]; // for sprintf
- bool RealExplicit = true;
-
- // Assume we are reading a falsely explicit VR file i.e. we reached
- // a tag where we expect reading a VR but are in fact we read the
- // first to bytes of the length. Then we will interogate (through find)
- // the dicom_vr dictionary with oddities like "\004\0" which crashes
- // both GCC and VC++ implementations of the STL map. Hence when the
- // expected VR read happens to be non-ascii characters we consider
- // we hit falsely explicit VR tag.
-
- if ( (!isalpha(vr[0])) && (!isalpha(vr[1])) )
- RealExplicit = false;
-
- // CLEANME searching the dicom_vr at each occurence is expensive.
- // PostPone this test in an optional integrity check at the end
- // of parsing or only in debug mode.
- if ( RealExplicit && !gdcmGlobal::GetVR()->Count(vr) )
- RealExplicit= false;
-
- if ( !RealExplicit )
+ DictEntry *found = 0;
+ Dict *pubDict = Global::GetDicts()->GetDefaultPubDict();
+ if (!pubDict)
{
- // We thought this was explicit VR, but we end up with an
- // implicit VR tag. Let's backtrack.
- sprintf(msg,"Falsely explicit vr file (%04x,%04x)\n",
- Entry->GetGroup(),Entry->GetElement());
- dbg.Verbose(1, "gdcmParser::FindVR: ",msg);
- if (Entry->GetGroup()%2 && Entry->GetElement() == 0x0000) { // Group length is UL !
- gdcmDictEntry* NewEntry = NewVirtualDictEntry(
- Entry->GetGroup(),Entry->GetElement(),
- "UL","FIXME","Group Length");
- Entry->SetDictEntry(NewEntry);
- }
- return(false);
+ gdcmVerboseMacro( "We SHOULD have a default dictionary");
+ }
+ else
+ {
+ found = pubDict->GetDictEntry(group, elem);
}
+ return found;
+}
+
+DictEntry *DocEntrySet::GetDictEntry(uint16_t group, uint16_t elem,
+ TagName const & vr)
+{
+ DictEntry *dictEntry = GetDictEntry(group,elem);
+ DictEntry *goodEntry = dictEntry;
+ std::string goodVR = vr;
- if ( Entry->IsVRUnknown() )
+ if (elem == 0x0000) goodVR="UL";
+
+ if ( goodEntry )
{
- // When not a dictionary entry, we can safely overwrite the VR.
- if (Entry->GetElement() == 0x0000) { // Group length is UL !
- Entry->SetVR("UL");
- } else {
- Entry->SetVR(vr);
+ if ( goodVR != goodEntry->GetVR()
+ && goodVR != GDCM_UNKNOWN )
+ {
+ goodEntry = NULL;
}
}
- else if ( Entry->GetVR() != vr )
+
+ // Create a new virtual DictEntry if necessary
+ if (!goodEntry)
{
- // The VR present in the file and the dictionary disagree. We assume
- // the file writer knew best and use the VR of the file. Since it would
- // be unwise to overwrite the VR of a dictionary (since it would
- // compromise it's next user), we need to clone the actual DictEntry
- // and change the VR for the read one.
- gdcmDictEntry* NewEntry = NewVirtualDictEntry(
- Entry->GetGroup(),Entry->GetElement(),
- vr,"FIXME",Entry->GetName());
- Entry->SetDictEntry(NewEntry);
+ if (dictEntry)
+ {
+ goodEntry = NewVirtualDictEntry(group, elem, goodVR, "FIXME",
+ dictEntry->GetName() );
+ }
+ else
+ {
+ goodEntry = NewVirtualDictEntry(group, elem, goodVR);
+ }
}
- return(true);
-}
+ return goodEntry;
+}
+//-----------------------------------------------------------------------------
+// Private
+} // end namespace gdcm
//-----------------------------------------------------------------------------
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff