X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmSQItem.cxx;h=9babd77f5ff34fde840ed5b022c0606722036fa7;hb=03acf3c119c6657129b8aeae8cb2205e481a105b;hp=16d30ef9b3f1958e97546a60c9022e4611b91381;hpb=5154dc89c0a2a565e9e79024ba8910f405279dd2;p=gdcm.git diff --git a/src/gdcmSQItem.cxx b/src/gdcmSQItem.cxx index 16d30ef9..9babd77f 100644 --- a/src/gdcmSQItem.cxx +++ b/src/gdcmSQItem.cxx @@ -1,51 +1,339 @@ -// gdcmSQItem.cxx -//----------------------------------------------------------------------------- -// +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmSQItem.cxx,v $ + Language: C++ + Date: $Date: 2005/01/06 20:03:28 $ + Version: $Revision: 1.45 $ + + 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 "gdcmDictSet.h" #include "gdcmUtil.h" +#include "gdcmDebug.h" +#include +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) + for(ListDocEntry::iterator cc = DocEntries.begin(); + cc != DocEntries.end(); + ++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(PrintLevel); + 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::WriteContent(std::ofstream *fp, FileType filetype) +{ + int j; + 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 + for(j=0;j<4;++j) + { + binary_write( *fp, item[j]); // fffe e000 ffff ffff + } + + for (ListDocEntry::iterator it = DocEntries.begin(); + it != DocEntries.end(); + ++it) + { + // we skip delimitors (start and end one) because + // we force them as 'no length' + if ( (*it)->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 ( (*it)->GetGroup() == 0xfffe && (*it)->GetElement() == 0x0000 ) + { + break; // FIXME : continue; ?!? + } + + (*it)->WriteContent(fp, filetype); + } + + //we force the writting of an 'Item Delimitation' item + // because we wrote the Item as a 'no Length' item + for(j=0;j<4;++j) + { + binary_write( *fp, itemt[j]); // 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 const &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); + + // 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", GDCM_UNKNOWN, GDCM_UNKNOWN); + } + // we assume the constructor didn't fail + entry = new ValEntry(dictEntry); + if (entry) + { + entry->SetValue(val); + } + DocEntries.insert(i,entry); + + return true; + } + if (group == (*i)->GetGroup() && element == (*i)->GetElement() ) + { + if ( ValEntry* entry = dynamic_cast(*i) ) + { + entry->SetValue(val); + } + return true; + } + } + return false; +} + +/** + * \brief Clear the hash table from given entry AND delete the entry. + * @param entryToRemove Entry to remove AND delete. + * \warning Some problems when using under Windows... prefer the use of + * Initialize / GetNext methods + */ +bool SQItem::RemoveEntry( DocEntry* entryToRemove) +{ + for(ListDocEntry::iterator it = DocEntries.begin(); + it != DocEntries.end(); + ++it) + { + if( *it == entryToRemove) + { + DocEntries.erase(it); + dbg.Verbose(0, "SQItem::RemoveEntry: one element erased."); + delete entryToRemove; + return true; + } + } + + dbg.Verbose(0, "SQItem::RemoveEntry: value not present "); + return false ; +} + +/** + * \brief Clear the hash table from given entry BUT keep the entry. + * @param entryToRemove Entry to remove. + */ +bool SQItem::RemoveEntryNoDestroy(DocEntry* entryToRemove) +{ + for(ListDocEntry::iterator it = DocEntries.begin(); + it != DocEntries.end(); + ++it) + { + if( *it == entryToRemove) + { + DocEntries.erase(it); + dbg.Verbose(0, "SQItem::RemoveEntry: one element erased."); + return true; + } + } + + dbg.Verbose(0, "SQItem::RemoveEntry: value not present "); + return false ; +} + +/** + * \brief Initialise the visit of the chained list + */ +void SQItem::Initialize() +{ + ItDocEntries = DocEntries.begin(); +} + +/** + * \brief Get the next entry whil visiting the chained list + * \return The next DocEntry if found, otherwhise NULL + */ +DocEntry *SQItem::GetNextEntry() +{ + if (ItDocEntries != DocEntries.end()) + { + DocEntry *tmp = *ItDocEntries; + ++ItDocEntries; + + return(tmp); + } + else + { + return(NULL); + } +} //----------------------------------------------------------------------------- // 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