X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmDocEntrySet.cxx;h=ad85c126b587ea5891a97d487b51fb42f1f6d63f;hb=02cee87de17ebbd0920bf78ca470d5360254641e;hp=605df95ae681d307a2610be8c46e1925c56c43a4;hpb=0b36f4932e894a1dde4a80e614755816b4b29218;p=gdcm.git diff --git a/src/gdcmDocEntrySet.cxx b/src/gdcmDocEntrySet.cxx index 605df95a..ad85c126 100644 --- a/src/gdcmDocEntrySet.cxx +++ b/src/gdcmDocEntrySet.cxx @@ -1,24 +1,46 @@ -// gdcmDocEntrySet.cxx -//----------------------------------------------------------------------------- -// -#include "gdcmDocEntrySet.h" -#include "gdcmTS.h" +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmDocEntrySet.cxx,v $ + Language: C++ + Date: $Date: 2004/07/02 13:55:27 $ + Version: $Revision: 1.13 $ + + 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.htm 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 +#include "gdcmDebug.h" +#include "gdcmCommon.h" #include "gdcmGlobal.h" -#include "gdcmUtil.h" - -#include // for std::ios::left, ... - +#include "gdcmDocEntrySet.h" +#include "gdcmException.h" +#include "gdcmDocEntry.h" +#include "gdcmSeqEntry.h" +#include "gdcmValEntry.h" +#include "gdcmBinEntry.h" //----------------------------------------------------------------------------- // Constructor / Destructor /** - * \ingroup gdcmDocEntrySEt + * \ingroup gdcmDocEntrySet * \brief Constructor from a given gdcmDocEntrySet */ -gdcmDocEntrySet::gdcmDocEntrySet() { - +gdcmDocEntrySet::gdcmDocEntrySet(int depthLevel) { + SQDepthLevel = depthLevel + 1; +} +/** + * \brief Canonical destructor. + */ +gdcmDocEntrySet::~gdcmDocEntrySet(){ } - //----------------------------------------------------------------------------- // Print /* @@ -31,217 +53,196 @@ gdcmDocEntrySet::gdcmDocEntrySet() { // Public -//----------------------------------------------------------------------------- -// Protected -//----------------------------------------------------------------------------- -// Private +/** + * \brief Build a new Element Value 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 underlying DictEntry + * @param Elem element number of the underlying DictEntry + */ +gdcmValEntry *gdcmDocEntrySet::NewValEntryByNumber(uint16_t Group, + uint16_t Elem) +{ + // Find out if the tag we encountered is in the dictionaries: + gdcmDictEntry *DictEntry = GetDictEntryByNumber(Group, Elem); + if (!DictEntry) + DictEntry = NewVirtualDictEntry(Group, Elem); + + gdcmValEntry *NewEntry = new gdcmValEntry(DictEntry); + if (!NewEntry) + { + dbg.Verbose(1, "gdcmDocument::NewValEntryByNumber", + "failed to allocate gdcmValEntry"); + return NULL; + } + return NewEntry; +} + /** - * \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 Element Value 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 underlying DictEntry + * @param Elem element number of the underlying DictEntry */ -bool gdcmDocument::LoadDocEntrySet(bool exception_on_error) throw(gdcmFormatError) { - (void)exception_on_error; - rewind(fp); - if (!CheckSwap()) - return false; - - guint16 g, n; - gdcmValEntry *newValEntry = (gdcmValEntry *)0; - gdcmBinEntry *newBinEntry = (gdcmBinEntry *)0; - gdcmSeqEntry *newSeqEntry = (gdcmSeqEntry *)0; - gdcmDictEntry *NewTag = (gdcmDictEntry *)0; - char VR[3]; - long PositionOnEntry; - -// while ( (newHeaderEntry = ReadNextHeaderEntry()) ) { - while (1) { - - // ----------------------- was ReadNextHeaderEntry ----------------- - g = ReadInt16(); - n = ReadInt16(); - if (errno == 1) - // We reached the EOF (or an error occured) therefore - // header parsing has to be considered as finished. - break; - +gdcmBinEntry *gdcmDocEntrySet::NewBinEntryByNumber(uint16_t Group, + uint16_t Elem) +{ // Find out if the tag we encountered is in the dictionaries: - DictEntry = GetDictEntryByNumber(Group, Elem); - if (!DictEntry) - DictEntry = NewVirtualDictEntry(Group, Elem); - if (!DictEntry) { - dbg.Verbose(1, "gdcmDocEntrySet::LoadDocEntrySet", - "failed to allocate gdcmDictEntry"); - return false; - } - - // Right now, - vr = DictEntry->GetVR(); // Suppose we get it, suppose it's the same one - // that's in the Explicit VR part of the Header - // TODO - // Resoudre pb quand inadequation entre Explicit VR et Dict - - if (filetype != ExplicitVR) {} // jamais de risque de conflit - // pour les autres cas, - // refaire l'equiv de gdcmParser::FindHeaderEntryVR - // qui contient CheckHeaderEntryVR - // le pb, c'est qu'on a besoin de la VR pour fabriquer l'Entry - - if (vr == "SQ" ) { - // --- SeqEntry - // TODO - // SEQUENCE; appel 'récursif' de ??? pour charger la 'valeur' - // (ensemble d' ITEMs, en fait, - // chaque ITEM etant chargé avec LoadDocEntrySet) - - - } else if (vr == "AE" || vr == "AS" || vr == "DA" || vr == "PN" || - vr == "UI" || vr == "TM" ) { - // --- ValEntry - NewValEntry = new gdcmValEntry(DictEntry); - if (!NewValEntry) { - dbg.Verbose(1, "gdcmDocEntrySet::LoadDocEntrySet", - "failed to allocate gdcmValEntry"); - return false; - } - FindHeaderEntryVR(NewEntry); - FindHeaderEntryLength(NewEntry); - } - - - else { - // --- BinEntry - NewBinEntry = new gdcmBinEntry(DictEntry); - if (!NewValEntry) { - dbg.Verbose(1, "gdcmDocEntrySet::LoadDocEntrySet", - "failed to allocate gdcmBinEntry"); - return false; - } - } - - - -// ------------- end of former ReadNextHeaderEntry ----------------- - - SkipHeaderEntry(newHeaderEntry); - if ( (ignoreShadow==0) || (newHeaderEntry->GetGroup()%2) == 0) { - AddHeaderEntry(newHeaderEntry); - } - } - rewind(fp); - // Be carefull : merging this two loops may cause troubles ... - for (ListTag::iterator i = GetListEntry().begin(); - i != GetListEntry().end(); - ++i) - { - LoadHeaderEntry(*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" + gdcmDictEntry *DictEntry = GetDictEntryByNumber(Group, Elem); + if (!DictEntry) + DictEntry = NewVirtualDictEntry(Group, Elem); + + gdcmBinEntry *NewEntry = new gdcmBinEntry(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); + dbg.Verbose(1, "gdcmDocument::NewBinEntryByNumber", + "failed to allocate gdcmBinEntry"); + return NULL; } - // ----------------- End of Special Patch ---------------- - return true; + return NewEntry; +} +//----------------------------------------------------------------------------- +// Protected + +/** + * \brief Gets a Dicom Element inside a SQ Item Entry, by name + * @return + */ + gdcmDocEntry *gdcmDocEntrySet::GetDocEntryByName(std::string name) { + gdcmDict *PubDict=gdcmGlobal::GetDicts()->GetDefaultPubDict(); + gdcmDictEntry *dictEntry = (*PubDict).GetDictEntryByName(name); + if( dictEntry == NULL) + return NULL; + return GetDocEntryByNumber(dictEntry->GetGroup(),dictEntry->GetElement()); } +/** + * \brief Get the value of a Dicom Element inside a SQ Item Entry, by name + * @param name : name of the searched element. + * @return + */ + +std::string gdcmDocEntrySet::GetEntryByName(TagName name) { + gdcmDict *PubDict=gdcmGlobal::GetDicts()->GetDefaultPubDict(); + gdcmDictEntry *dictEntry = (*PubDict).GetDictEntryByName(name); + + if( dictEntry == NULL) + return GDCM_UNFOUND; + return GetEntryByNumber(dictEntry->GetGroup(),dictEntry->GetElement()); +} + /** - * \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 Request a new virtual dict entry to the dict set + * @param group group number of the underlying DictEntry + * @param element element number of the underlying DictEntry + * @param vr VR of the underlying DictEntry + * @param fourth owner group + * @param name english name + */ +gdcmDictEntry* gdcmDocEntrySet::NewVirtualDictEntry(uint16_t group, + uint16_t element, + std::string vr, + std::string fourth, + std::string name) { - 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 ) + return gdcmGlobal::GetDicts()->NewVirtualDictEntry(group,element,vr,fourth,name); +} + +/** \brief + * Probabely move, as is, to gdcmDocEntrySet, as a non virtual method + * an remove gdcmDocument::NewDocEntryByNumber + */ +gdcmDocEntry* gdcmDocEntrySet::NewDocEntryByNumber(uint16_t group, + uint16_t elem) +{ + // Find out if the tag we encountered is in the dictionaries: + gdcmDict *PubDict=gdcmGlobal::GetDicts()->GetDefaultPubDict(); + gdcmDictEntry *DictEntry = (*PubDict).GetDictEntryByNumber(group, elem); + if (!DictEntry) + DictEntry = NewVirtualDictEntry(group, elem); + + gdcmDocEntry *NewEntry = new gdcmDocEntry(DictEntry); + if (!NewEntry) + { + dbg.Verbose(1, "gdcmSQItem::NewDocEntryByNumber", + "failed to allocate gdcmDocEntry"); + return (gdcmDocEntry*)0; + } + return NewEntry; +} + +/// \brief +gdcmDocEntry *gdcmDocEntrySet::NewDocEntryByName (std::string Name) { + + gdcmDict *PubDict=gdcmGlobal::GetDicts()->GetDefaultPubDict(); + gdcmDictEntry *NewTag = (*PubDict).GetDictEntryByName(Name); + if (!NewTag) + NewTag = NewVirtualDictEntry(0xffff, 0xffff, "LO", "unkn", Name); + + gdcmDocEntry* NewEntry = new gdcmDocEntry(NewTag); + if (!NewEntry) { - // 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); + dbg.Verbose(1, "gdcmSQItem::ObtainDocEntryByName", + "failed to allocate gdcmDocEntry"); + return (gdcmDocEntry *)0; } + return NewEntry; +} - if ( Entry->IsVRUnknown() ) + +/** + * \brief Searches both the public and the shadow dictionary (when they + * exist) for the presence of the DictEntry with given name. + * The public dictionary has precedence on the shadow one. + * @param Name name of the searched DictEntry + * @return Corresponding DictEntry when it exists, NULL otherwise. + */ +gdcmDictEntry *gdcmDocEntrySet::GetDictEntryByName(std::string Name) +{ + gdcmDictEntry *found = (gdcmDictEntry *)0; + gdcmDict *PubDict=gdcmGlobal::GetDicts()->GetDefaultPubDict(); + if (!PubDict) { - // 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); - } + dbg.Verbose(0, "gdcmDocument::GetDictEntry", + "we SHOULD have a default dictionary"); } - else if ( Entry->GetVR() != vr ) + else + found = PubDict->GetDictEntryByName(Name); + return found; +} + +/** + * \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 element element number of the searched DictEntry + * @return Corresponding DictEntry when it exists, NULL otherwise. + */ +gdcmDictEntry *gdcmDocEntrySet::GetDictEntryByNumber(uint16_t group, + uint16_t element) +{ + gdcmDictEntry *found = (gdcmDictEntry *)0; + gdcmDict *PubDict=gdcmGlobal::GetDicts()->GetDefaultPubDict(); + if (!PubDict) { - // 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); + dbg.Verbose(0, "gdcmDocument::GetDictEntry", + "we SHOULD have a default dictionary"); } - return(true); + else + found = PubDict->GetDictEntryByNumber(group, element); + return found; } +//----------------------------------------------------------------------------- +// Private //-----------------------------------------------------------------------------