X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmSeqEntry.cxx;h=7b047295c3205a8fdd7190561e10987e32d0ba23;hb=add6c88b334e9cf4ddb0ae1849f1380f9844f99c;hp=d31c2b10b38e93632fb8ae9f0a75043113bcd2e4;hpb=44a9814938a6824d3a66b932429084517da6dadf;p=gdcm.git diff --git a/src/gdcmSeqEntry.cxx b/src/gdcmSeqEntry.cxx index d31c2b10..7b047295 100644 --- a/src/gdcmSeqEntry.cxx +++ b/src/gdcmSeqEntry.cxx @@ -3,12 +3,12 @@ Program: gdcm Module: $RCSfile: gdcmSeqEntry.cxx,v $ Language: C++ - Date: $Date: 2004/09/13 12:10:53 $ - Version: $Revision: 1.27 $ + Date: $Date: 2007/10/08 15:20:17 $ + Version: $Revision: 1.72 $ 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. + 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 @@ -21,148 +21,298 @@ #include "gdcmTS.h" #include "gdcmGlobal.h" #include "gdcmUtil.h" +#include "gdcmDebug.h" #include #include +#include + +namespace GDCM_NAME_SPACE +{ //----------------------------------------------------------------------------- +// Constructor / Destructor + // Constructor / Destructor /** - * \ingroup gdcmSeqEntry - * \brief Constructor from a given gdcmSeqEntry + * \brief Constructor from a given SeqEntry */ -gdcmSeqEntry::gdcmSeqEntry(gdcmDictEntry* e, int depth) - : gdcmDocEntry(e) +SeqEntry::SeqEntry( uint16_t group,uint16_t elem ) + : DocEntry(group, elem, "SQ") { - UsableLength = 0; - ReadLength = 0xffffffff; - SQDepthLevel = depth; + Length = 0; + ReadLength = 0xffffffff; + SQDepthLevel = -1; - delimitor_mode = false; - seq_term = NULL; + DelimitorMode = false; + SeqTerm = NULL; } /** - * \brief Constructor from a given gdcmSeqEntry + * \brief Constructor from a given DocEntry * @param e Pointer to existing Doc entry * @param depth depth level of the current Seq entry - */ -gdcmSeqEntry::gdcmSeqEntry( gdcmDocEntry* e, int depth ) - : gdcmDocEntry( e->GetDictEntry() ) + */ +SeqEntry::SeqEntry( DocEntry *e, int depth ) + //: DocEntry( e->GetDictEntry() ) + : DocEntry( e->GetGroup(), e->GetElement(), "SQ" /*e->GetVR()*/ ) { - this->UsableLength = 0; - this->ReadLength = 0xffffffff; + Length = 0; + ReadLength = 0xffffffff; SQDepthLevel = depth; - this->ImplicitVR = e->IsImplicitVR(); - this->Offset = e->GetOffset(); + ImplicitVR = e->IsImplicitVR(); + Offset = e->GetOffset(); + SeqTerm = NULL; } /** * \brief Canonical destructor. */ -gdcmSeqEntry::~gdcmSeqEntry() { - for(ListSQItem::iterator cc = items.begin();cc != items.end();++cc) - { - delete *cc; - } - if (!seq_term) - delete seq_term; -} - -/** - * \brief canonical Printer - */ -void gdcmSeqEntry::Print(std::ostream &os) +SeqEntry::~SeqEntry() { - // First, Print the Dicom Element itself. - SetPrintLevel(2); - gdcmDocEntry::Print(os); - os << std::endl; - - if (GetReadLength() == 0) - return; - - // Then, Print each SQ Item - for(ListSQItem::iterator cc = items.begin();cc != items.end();++cc) - { - (*cc)->Print(os); - } - - // at end, print the sequence terminator item, if any - if (delimitor_mode) { - for (int i=0;iPrint(os); - os << std::endl; - } - else - // fusible - os << " -------------- should have a sequence terminator item"; - } + ClearSQItem(); } +//----------------------------------------------------------------------------- +// Public /* * \brief canonical Writer + * @param fp pointer to an already open file + * @param filetype type of the file (ACR, ImplicitVR, ExplicitVR, ...) */ -void gdcmSeqEntry::Write(FILE *fp, FileType filetype) +void SeqEntry::WriteContent(std::ofstream *fp, FileType filetype, bool , bool ) { uint16_t seq_term_gr = 0xfffe; uint16_t seq_term_el = 0xe0dd; - uint32_t seq_term_lg = 0xffffffff; - - //uint16_t item_term_gr = 0xfffe; - //uint16_t item_term_el = 0xe00d; - - gdcmDocEntry::Write(fp, filetype); - for(ListSQItem::iterator cc = GetSQItems().begin(); - cc != GetSQItems().end(); + uint32_t seq_term_lg = 0x00000000; + + // ignore 'Zero length' Sequences + if ( GetReadLength() == 0 ) + return; + // false : we are not in MetaElements + // true : we are inside a Sequence + DocEntry::WriteContent(fp, filetype, false, true); + for(ListSQItem::iterator cc = Items.begin(); + cc != Items.end(); ++cc) - { - (*cc)->Write(fp, filetype); + { + (*cc)->WriteContent(fp, filetype, false, true); } // we force the writting of a Sequence Delimitation item // because we wrote the Sequence as a 'no Length' sequence - fwrite ( &seq_term_gr,(size_t)2 ,(size_t)1 ,fp); - fwrite ( &seq_term_el,(size_t)2 ,(size_t)1 ,fp); - fwrite ( &seq_term_lg,(size_t)4 ,(size_t)1 ,fp); + binary_write(*fp, seq_term_gr); + binary_write(*fp, seq_term_el); + binary_write(*fp, seq_term_lg); } -//----------------------------------------------------------------------------- -// Public +/** + * \brief Compute the full length of the SeqEntry (not only value + * length) depending on the VR. + */ +uint32_t SeqEntry::ComputeFullLength() +{ + uint32_t l = 12; // Tag (4) + VR (explicit) 4 + 4 (length); + for(ListSQItem::iterator cc = Items.begin(); + cc != Items.end(); + ++cc) + { + l += (*cc)->ComputeFullLength(); + } + l += 8; // seq_term Tag (4) + seq_term_lg (4) + return l; +} -/// \brief adds the passed ITEM to the ITEM chained List for this SeQuence. -void gdcmSeqEntry::AddEntry(gdcmSQItem *sqItem, int itemNumber) +/** + * \brief adds the passed ITEM to the ITEM chained List for this SeQuence. + * @param sqItem SQItem to be pushed back in the SeqEntry + * @param itemNumber ordinal number of the SQItem + * \note NOT end-user intendend method ! + */ +void SeqEntry::AddSQItem(SQItem *sqItem, int itemNumber) { +// FIXME : SQItemNumber is supposed to be the ordinal number of the SQItem +// within the Sequence. +// Either only 'push_back' is allowed, +// and we just have to do something like SeqEntry::lastNb++ +// Or we can add (or remove) anywhere, and SQItemNumber will be broken sqItem->SetSQItemNumber(itemNumber); - items.push_back(sqItem); + Items.push_back(sqItem); + sqItem->Register(); } +/** + * \brief Remove all SQItem. + */ +void SeqEntry::ClearSQItem() +{ + for(ListSQItem::iterator cc = Items.begin(); cc != Items.end(); ++cc) + { + (*cc)->Unregister(); + } + if (SeqTerm) + { + SeqTerm->Unregister(); + } +} + +/** + * \brief Get the first entry while visiting the SeqEntry + * \return The first SQItem if found, otherwhise NULL + */ +SQItem *SeqEntry::GetFirstSQItem() +{ + ItSQItem = Items.begin(); + if (ItSQItem != Items.end()) + return *ItSQItem; + return NULL; +} + +/** + * \brief Get the next SQItem while visiting the SeqEntry + * \note : meaningfull only if GetFirstEntry already called + * \return The next SQItem if found, otherwhise NULL + */ + +SQItem *SeqEntry::GetNextSQItem() +{ + gdcmAssertMacro (ItSQItem != Items.end()) + { + ++ItSQItem; + if (ItSQItem != Items.end()) + return *ItSQItem; + } + return NULL; +} + /** * \brief return a pointer to the SQItem referenced by its ordinal number. * Returns the first item when argument is negative. - * Returns the last item when argument is bigget than the total + * Returns the last item when argument is bigger than the total * item number. */ -gdcmSQItem *gdcmSeqEntry::GetSQItemByOrdinalNumber(int nb) +SQItem *SeqEntry::GetSQItem(int nb) { if (nb<0) - return (*(items.begin())); + { + return *(Items.begin()); + } int count = 0 ; - for(ListSQItem::iterator cc = items.begin(); - cc != items.end(); - count ++, ++cc){ - if (count==nb) + for(ListSQItem::iterator cc = Items.begin(); + cc != Items.end(); + count ++, ++cc) + { + if (count == nb) + { return *cc; + } + } + return *(Items.end()); +} + +/** + * \brief returns the number of SQItems within the current Sequence + */ +unsigned int SeqEntry::GetNumberOfSQItems() +{ + return Items.size(); +} + +/** + * \brief Sets the Sequence Delimitation Item + * \param e Delimitation item + */ +void SeqEntry::SetDelimitationItem(DocEntry *e) +{ + if( SeqTerm != e ) + { + if( SeqTerm ) + SeqTerm->Unregister(); + SeqTerm = e; + if( SeqTerm ) + SeqTerm->Register(); + } +} + +/** + * \brief Copies all the attributes from an other DocEntry + * @param doc entry to copy from + * @remarks The contained SQItems a not copied, only referenced + */ +void SeqEntry::Copy(DocEntry *doc) +{ + // Delete previous SQ items + ClearSQItem(); + + DocEntry::Copy(doc); + SeqEntry *entry = dynamic_cast(doc); + if ( entry ) + { + DelimitorMode = entry->DelimitorMode; + SQDepthLevel = entry->SQDepthLevel; + + SeqTerm = entry->SeqTerm; + if(SeqTerm) + SeqTerm->Register(); + Items = entry->Items; + for(ItSQItem = Items.begin();ItSQItem != Items.end(); ++ItSQItem) + { + (*ItSQItem)->Register(); + } } - return (*(items.end())); // Euhhhhh ?!? Is this the last one . FIXME } + //----------------------------------------------------------------------------- // Protected - //----------------------------------------------------------------------------- // Private //----------------------------------------------------------------------------- +// Print +/** + * \brief canonical Printer + */ +void SeqEntry::Print( std::ostream &os, std::string const & ) +{ + // os << "S "; + + // First, Print the common part (vr [length offset] name). + DocEntry::Print(os); + os << std::endl; + + if (GetReadLength() == 0) + return; + + // Then, Print each SQ Item + for(ListSQItem::iterator cc = Items.begin(); cc != Items.end(); ++cc) + { + (*cc)->SetPrintLevel(PrintLevel); + (*cc)->Print(os); + } + + // at end, print the sequence terminator item, if any + if (DelimitorMode) + { + int i; + for ( i = 0; i < SQDepthLevel; i++ ) + os << " | " ; + os << " --- " << std::endl; + for ( i = 0; i < SQDepthLevel; i++ ) + os << " | " ; + if (SeqTerm != NULL) + { + SeqTerm->SetPrintLevel(PrintLevel); + SeqTerm->Print(os); + os << std::endl; + } + else + { + // fuse + gdcmWarningMacro(" -------- should have a sequence terminator item"); + } + } +} + +//----------------------------------------------------------------------------- +} // end namespace gdcm