X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmSQItem.cxx;h=2299b946bc6af54bf7f2047e82c715c85f34ee51;hb=332835b05f78803ae6d2e92cf95c25548a229532;hp=8b77a1c26f751e83c3efbb5d1d68e40d8b00bf9a;hpb=0b36f4932e894a1dde4a80e614755816b4b29218;p=gdcm.git diff --git a/src/gdcmSQItem.cxx b/src/gdcmSQItem.cxx index 8b77a1c2..2299b946 100644 --- a/src/gdcmSQItem.cxx +++ b/src/gdcmSQItem.cxx @@ -1,41 +1,272 @@ -// gdcmSQItem.cxx -//----------------------------------------------------------------------------- -// +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmSQItem.cxx,v $ + Language: C++ + Date: $Date: 2004/08/27 15:48:44 $ + Version: $Revision: 1.25 $ + + 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 "gdcmSQItem.h" +#include "gdcmSeqEntry.h" +#include "gdcmValEntry.h" +#include "gdcmBinEntry.h" #include "gdcmGlobal.h" #include "gdcmUtil.h" +#include "gdcmDebug.h" + //----------------------------------------------------------------------------- // Constructor / Destructor /** * \ingroup gdcmSQItem * \brief Constructor from a given gdcmSQItem - * @param in Pointer to existing dictionary entry */ -gdcmSQItem::gdcmSQItem() : gdcmDocEntry( ) { - +gdcmSQItem::gdcmSQItem(int depthLevel ) + : gdcmDocEntrySet(depthLevel) +{ + SQDepthLevel = depthLevel +1; +} +/** + * \brief Canonical destructor. + */ +gdcmSQItem::~gdcmSQItem() +{ + for(ListDocEntry::iterator cc = docEntries.begin(); + cc != docEntries.end(); + ++cc) + { + delete (*cc); + } + docEntries.clear(); } +//----------------------------------------------------------------------------- +// Print +/* + * \brief canonical Printer + */ + void gdcmSQItem::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) + { + gdcmDocEntry* Entry = *i; + bool PrintEndLine = true; + os << s.str(); + Entry->SetPrintLevel(2); + Entry->Print(os); + if ( gdcmSeqEntry* SeqEntry = dynamic_cast(Entry) ) + { + (void)SeqEntry; //not used + PrintEndLine = false; + } + if (PrintEndLine) + { + os << std::endl; + } + } +} -//----------------------------------------------------------------------------- -// Print /* * \ingroup gdcmSQItem - * \brief canonical Printer + * \brief canonical Writer */ - +void gdcmSQItem::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 gdcmSQItem::AddEntry(gdcmDocEntry *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 gdcmSQItem::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 gdcmDocument :-( + gdcmValEntry* entry = 0; + gdcmTagKey key = gdcmDictEntry::TranslateToKey(group, element); + if ( ! PtagHT->count(key)) + { + // we assume a Public Dictionnary *is* loaded + gdcmDict *pubDict = gdcmGlobal::GetDicts()->GetDefaultPubDict(); + // if the invoked (group,elem) doesn't exist inside the Dictionary + // we create a VirtualDictEntry + gdcmDictEntry *dictEntry = pubDict->GetDictEntryByNumber(group, + element); + if (dictEntry == NULL) + { + dictEntry = + gdcmGlobal::GetDicts()->NewVirtualDictEntry(group, element, + "UN", "??", "??"); + } + // we assume the constructor didn't fail + entry = new gdcmValEntry(dictEntry); + /// \todo + /// ---- + /// better we don't assume too much ! + /// gdcmSQItem is now used to describe any DICOMDIR related object + } + else + { + gdcmDocEntry* foundEntry = PtagHT->find(key)->second; + entry = dynamic_cast(foundEntry); + if (!entry) + { + dbg.Verbose(0, "gdcmSQItem::SetEntryByNumber: docEntries" + " contains non gdcmValEntry occurences"); + } + } + if (entry) + { + entry->SetValue(val); + } + entry->SetLength(val.length()); + docEntries.insert(i,entry); + + return true; + } + if (group == (*i)->GetGroup() && element == (*i)->GetElement() ) + { + if ( gdcmValEntry* 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 + */ +gdcmDocEntry *gdcmSQItem::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 gdcmSQItem::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 ((gdcmValEntry *)(*i))->GetValue(); //FIXME + } + } + return GDCM_UNFOUND; +} //----------------------------------------------------------------------------- // Private + //-----------------------------------------------------------------------------