X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmSQItem.cxx;h=2ec7540d0a693640567e4c08386c01163787aaa8;hb=0416947420d9168401c99e7fbf0dca0a081c9175;hp=79debf624bf0f825536c0595ff9ec313fa6a9415;hpb=858bf5f07677c76676725033bca9638462666329;p=gdcm.git diff --git a/src/gdcmSQItem.cxx b/src/gdcmSQItem.cxx index 79debf62..2ec7540d 100644 --- a/src/gdcmSQItem.cxx +++ b/src/gdcmSQItem.cxx @@ -1,89 +1,289 @@ -// gdcmSQItem.cxx -//----------------------------------------------------------------------------- -// +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmSQItem.cxx,v $ + Language: C++ + Date: $Date: 2005/02/07 08:48:18 $ + Version: $Revision: 1.70 $ + + 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 + * \brief Constructor from a given SQItem */ -gdcmSQItem::gdcmSQItem( ) - : gdcmDocEntrySet() { +SQItem::SQItem(int depthLevel ) + : DocEntrySet( ) +{ + SQDepthLevel = depthLevel; + SQItemNumber = 0; } /** * \brief Canonical destructor. */ -gdcmSQItem::~gdcmSQItem() +SQItem::~SQItem() { - for(ListDocEntry::iterator cc = docEntries.begin(); - cc != docEntries.end(); - ++cc) - { - delete *cc; - } + ClearEntry(); } - //----------------------------------------------------------------------------- -// Print +// Public /* - * \ingroup gdcmSQItem - * \brief canonical Printer + * \brief canonical Writer + * @param fp file pointer to an already open file. + * @param filetype type of the file (ACR, ImplicitVR, ExplicitVR, ...) */ - void gdcmSQItem::Print(std::ostream & os) { - std::ostringstream s; - s << " | " ; - for (ListDocEntry::iterator i = docEntries.begin(); - i != docEntries.end(); - ++i) +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) { - os << s.str(); - //(*i)->SetPrintLevel(printLevel); //self->GetPrintLevel() ? - (*i)->SetPrintLevel(2); - (*i)->Print(os); + binary_write( *fp, itemt[j]); // fffe e000 ffff ffff } } -//----------------------------------------------------------------------------- -// Public +/** + * \brief Inserts *in the right place* any Entry (Dicom Element) + * into the Sequence Item + * @param entry Entry to add + */ +bool SQItem::AddEntry(DocEntry *entry) +{ + if (DocEntries.empty() ) + { + DocEntries.push_back(entry); + return true; + } + + ListDocEntry::iterator insertSpot; + ListDocEntry::iterator it = DocEntries.end(); + do + { + it--; -bool gdcmSQItem::AddEntry(gdcmDocEntry *entry) { - std::cout << " === entree ds gdcmSQItem::AddEntry " - << hex << entry->GetGroup() - << " " - << entry->GetElement() - << " lgt " - << entry->GetReadLength() - << std::endl; - - docEntries.push_back(entry); - //TODO : check if it worked + if ( (*it)->IsItemDelimitor() ) + { + continue; + } + if ( (*it)->GetGroup() < entry->GetGroup() ) + break; + else + if ( (*it)->GetGroup() == entry->GetGroup() && + (*it)->GetElement() < entry->GetElement() ) + break; + } while (it != DocEntries.begin() ); + + insertSpot = it++; + insertSpot++; // ?!? + DocEntries.insert(insertSpot, entry); return true; } - + +/** + * \brief Clear the std::list from given entry AND delete the entry. + * @param entryToRemove Entry to remove AND delete. + * @return true if the entry was found and removed; false otherwise + */ +bool SQItem::RemoveEntry( DocEntry *entryToRemove ) +{ + for(ListDocEntry::iterator it = DocEntries.begin(); + it != DocEntries.end(); + ++it) + { + if( *it == entryToRemove ) + { + DocEntries.erase(it); + gdcmWarningMacro( "One element erased: " << entryToRemove->GetKey() ); + delete entryToRemove; + return true; + } + } + gdcmWarningMacro( "Entry not found: " << entryToRemove->GetKey() ); + return false ; +} + +/** + * \brief Clear the std::list from given entry BUT keep the entry. + * @param entryToRemove Entry to remove. + * @return true if the entry was found and removed; false otherwise + */ +bool SQItem::RemoveEntryNoDestroy(DocEntry *entryToRemove) +{ + for(ListDocEntry::iterator it = DocEntries.begin(); + it != DocEntries.end(); + ++it) + { + if( *it == entryToRemove ) + { + DocEntries.erase(it); + gdcmWarningMacro( "One element erased, no destroyed: " + << entryToRemove->GetKey() ); + return true; + } + } + + gdcmWarningMacro( "Entry not found:" << entryToRemove->GetKey() ); + return false ; +} + +/** + * \brief Remove all entry in the Sequence Item + */ +void SQItem::ClearEntry() +{ + for(ListDocEntry::iterator cc = DocEntries.begin(); + cc != DocEntries.end(); + ++cc) + { + delete *cc; + } + DocEntries.clear(); +} + +/** + * \brief Get the first Dicom entry while visiting the SQItem + * \return The first DocEntry if found, otherwhise 0 + */ +DocEntry *SQItem::GetFirstEntry() +{ + ItDocEntries = DocEntries.begin(); + if( ItDocEntries != DocEntries.end() ) + return *ItDocEntries; + return 0; +} + +/** + * \brief Get the next Dicom entry while visiting the SQItem + * \return The next DocEntry if found, otherwhise NULL + */ +DocEntry *SQItem::GetNextEntry() +{ + ++ItDocEntries; + if( ItDocEntries != DocEntries.end() ) + return *ItDocEntries; + return NULL; +} + +/** + * \brief Gets a Dicom Element inside a SQ Item Entry + * @param group Group number of the Entry + * @param elem Element number of the Entry + * @return Entry whose (group,elem) was passed. 0 if not found + */ +DocEntry *SQItem::GetDocEntry(uint16_t group, uint16_t elem) +{ + for(ListDocEntry::iterator i = DocEntries.begin(); + i != DocEntries.end(); + ++i) + { + if ( (*i)->GetGroup() == group && (*i)->GetElement() == elem ) + return *i; + } + return NULL; +} + //----------------------------------------------------------------------------- // Protected //----------------------------------------------------------------------------- // Private -// end-user intended : the guy *wants* to create his own SeQuence ?!? -gdcmDocEntry *gdcmSQItem::NewDocEntryByNumber(guint16 group, - guint16 element) { -// TODO - gdcmDocEntry *a; - return a; -} +//----------------------------------------------------------------------------- +// Print +/* + * \brief canonical Printer + * @param os Stream to print to. + * @param indent Indentation string to be prepended during printing. + */ +void SQItem::Print(std::ostream &os, std::string const &) +{ + std::ostringstream s; -gdcmDocEntry *gdcmSQItem::NewDocEntryByName (std::string Name) { -// TODO : - gdcmDocEntry *a; - return a; + if (SQDepthLevel > 0) + { + for (int i = 0; i < SQDepthLevel; ++i) + { + s << " | " ; + } + } + os << 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 ( dynamic_cast(Entry) ) + { + PrintEndLine = false; + } + if (PrintEndLine) + { + os << std::endl; + } + } } + //----------------------------------------------------------------------------- +} // end namespace gdcm