X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;ds=sidebyside;f=src%2FgdcmSQItem.cxx;h=ac3442dde84108873911b72407a18fac2171a06b;hb=91e773ef94e63d181ea8e2a322ced8bf0427aa27;hp=16d30ef9b3f1958e97546a60c9022e4611b91381;hpb=5154dc89c0a2a565e9e79024ba8910f405279dd2;p=gdcm.git diff --git a/src/gdcmSQItem.cxx b/src/gdcmSQItem.cxx index 16d30ef9..ac3442dd 100644 --- a/src/gdcmSQItem.cxx +++ b/src/gdcmSQItem.cxx @@ -1,51 +1,275 @@ -// gdcmSQItem.cxx -//----------------------------------------------------------------------------- -// +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmSQItem.cxx,v $ + Language: C++ + Date: $Date: 2004/10/12 04:35:47 $ + Version: $Revision: 1.29 $ + + 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 "gdcmSQItem.h" +#include "gdcmSeqEntry.h" +#include "gdcmValEntry.h" +#include "gdcmBinEntry.h" #include "gdcmGlobal.h" #include "gdcmUtil.h" +#include "gdcmDebug.h" +namespace gdcm +{ //----------------------------------------------------------------------------- // Constructor / Destructor /** - * \ingroup gdcmSQItem - * \brief Constructor from a given gdcmSQItem + * \ingroup SQItem + * \brief Constructor from a given SQItem */ -gdcmSQItem::gdcmSQItem() : gdcmDocEntry( ) { - - +SQItem::SQItem(int depthLevel ) + : DocEntrySet( ) +{ + SQDepthLevel = depthLevel; } /** * \brief Canonical destructor. */ -gdcmSQItem::~gdcmSQItem() +SQItem::~SQItem() { for(ListDocEntry::iterator cc = docEntries.begin(); cc != docEntries.end(); ++cc) { - delete *cc; + delete (*cc); } + docEntries.clear(); } - //----------------------------------------------------------------------------- // Print /* - * \ingroup gdcmSQItem * \brief canonical Printer */ - + void SQItem::Print(std::ostream& os) + { + std::ostringstream s; + + if (SQDepthLevel > 0) + { + for (int i = 0; i < SQDepthLevel; ++i) + { + s << " | " ; + } + } + std::cout << s.str() << " --- SQItem number " << SQItemNumber << std::endl; + for (ListDocEntry::iterator i = docEntries.begin(); + i != docEntries.end(); + ++i) + { + DocEntry* Entry = *i; + bool PrintEndLine = true; + + os << s.str(); + Entry->SetPrintLevel(2); + Entry->Print(os); + if ( SeqEntry* seqEntry = dynamic_cast(Entry) ) + { + (void)seqEntry; //not used + PrintEndLine = false; + } + if (PrintEndLine) + { + os << std::endl; + } + } +} + +/* + * \ingroup SQItem + * \brief canonical Writer + */ +void SQItem::Write(FILE* fp,FileType filetype) +{ + uint16_t item[4] = { 0xfffe, 0xe000, 0xffff, 0xffff }; + uint16_t itemt[4]= { 0xfffe, 0xe00d, 0xffff, 0xffff }; + + //we force the writting of an 'Item' Start Element + // because we want to write the Item as a 'no Length' item + fwrite(&item[0],8,1,fp); // fffe e000 ffff ffff + + for (ListDocEntry::iterator i = docEntries.begin(); + i != docEntries.end(); + ++i) + { + // we skip delimitors (start and end one) because + // we force them as 'no length' + if ( (*i)->GetGroup() == 0xfffe ) + { + continue; + } + + // 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 ! + if ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0x0000 ) + { + break; // FIXME : continue; ?!? + } + + (*i)->Write(fp, filetype); + } + + //we force the writting of an 'Item Delimitation' item + // because we wrote the Item as a 'no Length' item + fwrite(&itemt[0],8,1,fp); // fffe e000 ffff ffff + +} //----------------------------------------------------------------------------- // Public +/** + * \brief adds any Entry (Dicom Element) to the Sequence Item + */ +bool SQItem::AddEntry(DocEntry* entry) +{ + docEntries.push_back(entry); + //TODO : check if it worked + return true; +} +/** + * \brief Sets Entry (Dicom Element) value of an element, + * specified by it's tag (Group, Number) + * and the length, too ... inside a SQ Item + * If the Element is not found, it's just created ! + * \warning we suppose, right now, the element belongs to a Public Group + * (NOT a shadow one) + * @param val string value to set + * @param group Group number of the searched tag. + * @param element Element number of the searched tag. + * @return true if element was found or created successfully + */ + +bool SQItem::SetEntryByNumber(std::string val, uint16_t group, + uint16_t element) +{ + for(ListDocEntry::iterator i = docEntries.begin(); i != docEntries.end(); ++i) + { + if ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0xe000 ) + { + continue; + } + + if ( ( group < (*i)->GetGroup() ) + ||( group == (*i)->GetGroup() && element < (*i)->GetElement()) ) + { + // instead of ReplaceOrCreateByNumber + // that is a method of Document :-( + ValEntry* entry = 0; + TagKey key = DictEntry::TranslateToKey(group, element); + + if ( ! PtagHT->count(key)) + { + // we assume a Public Dictionnary *is* loaded + Dict *pubDict = Global::GetDicts()->GetDefaultPubDict(); + // if the invoked (group,elem) doesn't exist inside the Dictionary + // we create a VirtualDictEntry + DictEntry *dictEntry = pubDict->GetDictEntryByNumber(group, + element); + if (dictEntry == NULL) + { + dictEntry = + Global::GetDicts()->NewVirtualDictEntry(group, element, + "UN", "??", "??"); + } + // we assume the constructor didn't fail + entry = new ValEntry(dictEntry); + /// \todo + /// ---- + /// better we don't assume too much ! + /// SQItem is now used to describe any DICOMDIR related object + } + else + { + DocEntry* foundEntry = PtagHT->find(key)->second; + entry = dynamic_cast(foundEntry); + if (!entry) + { + dbg.Verbose(0, "SQItem::SetEntryByNumber: docEntries" + " contains non ValEntry occurences"); + } + } + if (entry) + { + entry->SetValue(val); + } + entry->SetLength(val.length()); + docEntries.insert(i,entry); + + return true; + } + if (group == (*i)->GetGroup() && element == (*i)->GetElement() ) + { + if ( ValEntry* entry = dynamic_cast(*i) ) + { + entry->SetValue(val); + } + (*i)->SetLength(val.length()); + return true; + } + } + return false; +} //----------------------------------------------------------------------------- // Protected + +/** + * \brief Gets a Dicom Element inside a SQ Item Entry, by number + * @return + */ +DocEntry* SQItem::GetDocEntryByNumber(uint16_t group, uint16_t element) +{ + for(ListDocEntry::iterator i = docEntries.begin(); + i != docEntries.end(); ++i) + { + if ( (*i)->GetGroup() == group && (*i)->GetElement() == element ) + { + return *i; + } + } + return 0; +} + +/** + * \brief Get the value of a Dicom Element inside a SQ Item Entry, by number + * @return + */ + +std::string SQItem::GetEntryByNumber(uint16_t group, uint16_t element) +{ + for(ListDocEntry::iterator i = docEntries.begin(); + i != docEntries.end(); ++i) + { + if ( (*i)->GetGroup() == group && (*i)->GetElement() == element) + { + return ((ValEntry *)(*i))->GetValue(); //FIXME + } + } + return GDCM_UNFOUND; +} //----------------------------------------------------------------------------- // Private + //----------------------------------------------------------------------------- + +} // end namespace gdcm