X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;ds=sidebyside;f=src%2FgdcmSeqEntry.cxx;h=0fd0b47d3bbe5d46a67758b93705b1c9ec821b3f;hb=f6fd616782f9811f1390c64c9a3e7beb50ca4a04;hp=06246c1ae5b049e6921ab7ccdfe1252f4376e39a;hpb=5154dc89c0a2a565e9e79024ba8910f405279dd2;p=gdcm.git diff --git a/src/gdcmSeqEntry.cxx b/src/gdcmSeqEntry.cxx index 06246c1a..0fd0b47d 100644 --- a/src/gdcmSeqEntry.cxx +++ b/src/gdcmSeqEntry.cxx @@ -1,51 +1,172 @@ -// gdcmSeqEntry.cxx -//----------------------------------------------------------------------------- -// +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmSeqEntry.cxx,v $ + Language: C++ + Date: $Date: 2004/09/27 08:39:07 $ + Version: $Revision: 1.30 $ + + 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 "gdcmSeqEntry.h" +#include "gdcmSQItem.h" #include "gdcmTS.h" #include "gdcmGlobal.h" #include "gdcmUtil.h" - +#include +#include //----------------------------------------------------------------------------- // Constructor / Destructor /** * \ingroup gdcmSeqEntry * \brief Constructor from a given gdcmSeqEntry - * @param in Pointer to existing dictionary entry */ -gdcmSeqEntry::gdcmSeqEntry() : gdcmDocEntry( ) { - +gdcmSeqEntry::gdcmSeqEntry( gdcmDictEntry* e ) + : gdcmDocEntry(e) +{ + UsableLength = 0; + ReadLength = 0xffffffff; + SQDepthLevel = -1; + delimitor_mode = false; + seq_term = NULL; } +/** + * \brief Constructor from a given gdcmSeqEntry + * @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() ) +{ + this->UsableLength = 0; + this->ReadLength = 0xffffffff; + SQDepthLevel = depth; + + this->ImplicitVR = e->IsImplicitVR(); + this->Offset = e->GetOffset(); +} /** - * \ingroup gdcmSeqEntry * \brief Canonical destructor. */ -gdcmSeqEntry::~gdcmSeqEntry() -{ +gdcmSeqEntry::~gdcmSeqEntry() { for(ListSQItem::iterator cc = items.begin();cc != items.end();++cc) { delete *cc; } + if (!seq_term) + delete seq_term; } -//----------------------------------------------------------------------------- -// Print -/* - * \ingroup gdcmSeqEntry +/** * \brief canonical Printer */ - +void gdcmSeqEntry::Print( std::ostream &os ) +{ + // 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; i < SQDepthLevel; i++ ) + { + os << " | " ; + } + if (seq_term != NULL) + { + seq_term->Print(os); + os << std::endl; + } + else + { + // fuse + os << " -------------- should have a sequence terminator item"; + } + } +} + +/* + * \brief canonical Writer + */ +void gdcmSeqEntry::Write(FILE* fp, FileType filetype) +{ + 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(); + ++cc) + { + (*cc)->Write(fp, filetype); + } + + // 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); +} //----------------------------------------------------------------------------- // Public +/// \brief adds the passed ITEM to the ITEM chained List for this SeQuence. +void gdcmSeqEntry::AddEntry(gdcmSQItem *sqItem, int itemNumber) +{ + sqItem->SetSQItemNumber(itemNumber); + items.push_back(sqItem); +} + +/** + * \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 + * item number. + */ +gdcmSQItem* gdcmSeqEntry::GetSQItemByOrdinalNumber(int nb) +{ + if (nb<0) + return (*(items.begin())); + int count = 0 ; + for(ListSQItem::iterator cc = items.begin(); + cc != items.end(); + count ++, ++cc){ + if (count==nb) + return *cc; + } + return (*(items.end())); // Euhhhhh ?!? Is this the last one . FIXME +} //----------------------------------------------------------------------------- // Protected + //----------------------------------------------------------------------------- // Private