X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmDict.cxx;h=f95f8d5469439fb9fc2f3290d3a1c31530cd1dba;hb=8ba6105c39056bba295025f4b46d2cdf24dab792;hp=32cc12467410975dd91ebb1ae9c0f8dd8fa22977;hpb=e06d61ba347d7f5f692a682434e089d939f85653;p=gdcm.git diff --git a/src/gdcmDict.cxx b/src/gdcmDict.cxx index 32cc1246..f95f8d54 100644 --- a/src/gdcmDict.cxx +++ b/src/gdcmDict.cxx @@ -1,52 +1,260 @@ -// gdcmDict.cxx +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmDict.cxx,v $ + Language: C++ + Date: $Date: 2005/07/11 14:53:16 $ + Version: $Revision: 1.78 $ + + 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 -#include "gdcm.h" +#include "gdcmDict.h" #include "gdcmUtil.h" +#include "gdcmDebug.h" + +#include +#include +#include + +namespace gdcm +{ +//----------------------------------------------------------------------------- +/// \brief auto generate function, to fill up the Dicom Dictionnary, +/// if relevant file is not found on user's disk +void FillDefaultDataDict(Dict *d); + +//----------------------------------------------------------------------------- +// Constructor / Destructor +/** + * \brief Constructor + */ +Dict::Dict( ) +{ + Filename=""; +} + +/** + * \brief Constructor + * @param filename from which to build the dictionary. + */ +Dict::Dict(std::string const &filename) +{ + uint16_t group; + uint16_t element; + TagName vr; + TagName vm; + TagName name; + + std::ifstream from( filename.c_str() ); + if ( !from ) + { + gdcmWarningMacro( "Can't open dictionary" << filename.c_str()); + // Using default embeded one: + FillDefaultDataDict( this ); + } + else + { + while (!from.eof() && from) + { + from >> std::hex; + from >> group; + from >> element; + from >> vr; + from >> vm; + from >> std::ws; //remove white space + std::getline(from, name); + + const DictEntry newEntry(group, element, vr, vm, name); + AddEntry(newEntry); + } + + Filename = filename; + from.close(); + } +} -gdcmDict::gdcmDict(const char* FileName) { - std::ifstream from(FileName); - dbg.Error(!from, "gdcmDict::gdcmDict: can't open dictionary", FileName); - guint16 group, element; - // CLEANME : use defines for all those constants - char buff[1024]; - TagKey key, vr, fourth, name; - while (!from.eof()) { - from >> hex >> group >> element; - eatwhite(from); - from.getline(buff, 256, ' '); - vr = buff; - eatwhite(from); - from.getline(buff, 256, ' '); - fourth = buff; - from.getline(buff, 256, '\n'); - name = buff; - gdcmDictEntry * newEntry = new gdcmDictEntry(group, element, - vr, fourth, name); - entries[gdcmDictEntry::TranslateToKey(group, element)] = newEntry; - } - from.close(); -} - -void gdcmDict::Print(ostream& os) { - for (TagHT::iterator tag = entries.begin(); tag != entries.end(); ++tag){ - os << "Tag : "; - os << "(" << hex << tag->second->GetGroup() << ','; - os << hex << tag->second->GetElement() << ") = " << dec; - os << tag->second->GetVR() << ", "; - os << tag->second->GetFourth() << ", "; - os << tag->second->GetName() << "." << endl; - } -} - -// renvoie une ligne de Dictionnaire Dicom à partir de (numGroup, numElement) - -gdcmDictEntry * gdcmDict::GetTag(guint32 group, guint32 element) { - TagKey key = gdcmDictEntry::TranslateToKey(group, element); - if ( ! entries.count(key)) - return (gdcmDictEntry*)0; - if (entries.count(key) > 1) - dbg.Verbose(0, "gdcmDict::GetTag", - "multiple entries for this key (FIXME) !"); - return entries.find(key)->second; +/** + * \brief Destructor + */ +Dict::~Dict() +{ + ClearEntry(); } + +//----------------------------------------------------------------------------- +// Public +/** + * \brief adds a new Dicom Dictionary Entry + * @param newEntry entry to add + * @return false if Dicom Element already exists + */ +bool Dict::AddEntry(DictEntry const &newEntry) +{ + const TagKey &key = newEntry.GetKey(); + + if ( KeyHt.count(key) == 1 ) + { + gdcmErrorMacro( "Already present:" << key ); + return false; + } + else + { + KeyHt.insert( TagKeyHT::value_type(newEntry.GetKey(), newEntry)); + return true; + } +} + +/** + * \brief replaces an already existing Dicom Element by a new one + * @param newEntry new entry (overwrites any previous one with same tag) + * @return false if Dicom Element doesn't exist + */ +bool Dict::ReplaceEntry(DictEntry const &newEntry) +{ + if ( RemoveEntry(newEntry.GetKey()) ) + { + KeyHt.insert( TagKeyHT::value_type(newEntry.GetKey(), newEntry)); + return true; + } + return false; +} + +/** + * \brief removes an already existing Dicom Dictionary Entry, + * identified by its Tag + * @param key (group|element) + * @return false if Dicom Dictionary Entry doesn't exist + */ +bool Dict::RemoveEntry(TagKey const &key) +{ + TagKeyHT::const_iterator it = KeyHt.find(key); + if ( it != KeyHt.end() ) + { + KeyHt.erase(key); + + return true; + } + else + { + gdcmWarningMacro( "Unfound entry" << key ); + return false; + } +} + +/** + * \brief removes an already existing Dicom Dictionary Entry, + * identified by its group,element number + * @param group Dicom group number of the Dicom Element + * @param elem Dicom element number of the Dicom Element + * @return false if Dicom Dictionary Entry doesn't exist + */ +bool Dict::RemoveEntry(uint16_t group, uint16_t elem) +{ + return RemoveEntry(DictEntry::TranslateToKey(group, elem)); +} + +/** + * \brief Remove all Dicom Dictionary Entries + */ +void Dict::ClearEntry() +{ + // we assume all the pointed DictEntries are already cleaned-up + // when we clean KeyHt. + KeyHt.clear(); +} + +/** + * \brief Get the dictionary entry identified by a given tag ("group|element") + * @param key tag of the entry to be found + * @return the corresponding dictionary entry when existing, NULL otherwise + */ +DictEntry *Dict::GetEntry(TagKey const &key) +{ + TagKeyHT::iterator it = KeyHt.find(key); + if ( it == KeyHt.end() ) + { + return 0; + } + return &(it->second); +} + +DictEntry *Dict::GetEntry(uint16_t group, uint16_t elem) +{ + TagKey key = DictEntry::TranslateToKey(group, elem); + TagKeyHT::iterator it = KeyHt.find(key); + if ( it == KeyHt.end() ) + { + return 0; + } + return &(it->second); +} + +/** + * \brief Get the first entry while visiting the Dict entries + * \return The first DicEntry if found, otherwhise NULL + */ +DictEntry *Dict::GetFirstEntry() +{ + ItKeyHt = KeyHt.begin(); + if ( ItKeyHt != KeyHt.end() ) + return &(ItKeyHt->second); + return NULL; +} + +/** + * \brief Get the next entry while visiting the Hash table (KeyHt) + * \note : meaningfull only if GetFirstEntry already called + * \return The next DictEntry if found, otherwhise NULL + */ +DictEntry *Dict::GetNextEntry() +{ + gdcmAssertMacro (ItKeyHt != KeyHt.end()); + + ++ItKeyHt; + if (ItKeyHt != KeyHt.end()) + return &(ItKeyHt->second); + return NULL; +} + +//----------------------------------------------------------------------------- +// Protected + +//----------------------------------------------------------------------------- +// Private + +//----------------------------------------------------------------------------- +// Print +/** + * \brief Print all the dictionary entries contained in this dictionary. + * Entries will be sorted by tag i.e. the couple (group, element). + * @param os The output stream to be written to. + * @param indent Indentation string to be prepended during printing + */ +void Dict::Print(std::ostream &os, std::string const & ) +{ + os << "Dict file name : " << Filename << std::endl; + std::ostringstream s; + + for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag) + { + s << "Entry : "; + s << "(" << std::hex << std::setw(4) << tag->second.GetGroup() << ','; + s << std::hex << std::setw(4) << tag->second.GetElement() << ") = " + << std::dec; + s << tag->second.GetVR() << ", "; + s << tag->second.GetVM() << ", "; + s << tag->second.GetName() << "." << std::endl; + } + os << s.str(); +} + +//----------------------------------------------------------------------------- +} // end namespace gdcm