X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmDictSet.cxx;h=99b890200da1d523d2590459992389715e78b44b;hb=4b22e3b8d982d7d46d64aea9f71b2fd04b1a394d;hp=5352bcae9007f2652ed037411165fa4284533ef4;hpb=70e24c6c61481f9836e26b6b44a9670d92a4f43b;p=gdcm.git diff --git a/src/gdcmDictSet.cxx b/src/gdcmDictSet.cxx index 5352bcae..99b89020 100644 --- a/src/gdcmDictSet.cxx +++ b/src/gdcmDictSet.cxx @@ -1,36 +1,153 @@ -#include -#include "gdcmlib.h" +// gdcmDictEntry + +#include "gdcmDictSet.h" #include "gdcmUtil.h" +#include +#include // For getenv + +#define PUB_DICT_NAME "DicomV3Dict" +#ifndef PUB_DICT_PATH +# define PUB_DICT_PATH "../Dicts/" +#endif +#define PUB_DICT_FILENAME "dicomV3.dic" + +/** + * \ingroup gdcmDictSet + * \brief Consider all the entries of the public dicom dictionnary. + * Build all list of all the tag names of all those entries. + * \sa gdcmDictSet::GetPubDictTagNamesByCategory + * @return A list of all entries of the public dicom dictionnary. + */ +std::list * gdcmDictSet::GetPubDictTagNames(void) { + std::list * Result = new std::list; + TagKeyHT entries = GetDefaultPubDict()->GetEntries(); + + for (TagKeyHT::iterator tag = entries.begin(); tag != entries.end(); ++tag){ + Result->push_back( tag->second->GetName() ); + } + return Result; +} + +/** + * \ingroup gdcmDictSet + * \brief Consider all the entries of the public dicom dictionnary. + * Build an hashtable whose keys are the names of the groups + * (fourth field in each line of dictionary) and whose corresponding + * values are lists of all the dictionnary entries among that + * group. Note that apparently the Dicom standard doesn't explicitely + * define a name (as a string) for each group. + * A typical usage of this method would be to enable a dynamic + * configuration of a Dicom file browser: the admin/user can + * select in the interface which Dicom tags should be displayed. + * \warning Dicom *doesn't* define any name for any 'categorie' + * (the dictionnary fourth field was formerly NIH defined + * - and no longer he is- + * and will be removed when Dicom provides us a text file + * with the 'official' Dictionnary, that would be more friendly + * than asking us to perform a line by line check od thhe dictionnary + * at the beginning of each year to -try to- guess the changes) + * Therefore : please NEVER use that fourth field :-( + * + * @return An hashtable: whose keys are the names of the groups and whose + * corresponding values are lists of all the dictionnary entries + * among that group. + */ +std::map > * gdcmDictSet::GetPubDictTagNamesByCategory(void) { + std::map > * Result = new std::map >; + TagKeyHT entries = GetDefaultPubDict()->GetEntries(); + for (TagKeyHT::iterator tag = entries.begin(); tag != entries.end(); ++tag){ + (*Result)[tag->second->GetFourth()].push_back(tag->second->GetName()); + } + return Result; +} + +/** + * \ingroup gdcmDictSet + * \brief Obtain from the GDCM_DICT_PATH environnement variable the + * path to directory containing the dictionnaries. When + * the environnement variable is absent the path is defaulted + * to "../Dicts/". + */ +std::string gdcmDictSet::BuildDictPath(void) { + std::string ResultPath; + const char* EnvPath = (char*)0; + EnvPath = getenv("GDCM_DICT_PATH"); + if (EnvPath && (strlen(EnvPath) != 0)) { + ResultPath = EnvPath; + if (ResultPath[ResultPath.length() -1] != '/' ) + ResultPath += '/'; + dbg.Verbose(1, "gdcmDictSet::BuildDictPath:", + "Dictionary path set from environnement"); + } else + ResultPath = PUB_DICT_PATH; + return ResultPath; +} +/** + * \ingroup gdcmDictSet + * \brief The Dictionnary Set obtained with this constructor simply + * contains the Default Public dictionnary. + */ gdcmDictSet::gdcmDictSet(void) { - if (! LoadDicomV3Dict()) - return; + DictPath = BuildDictPath(); + std::string PubDictFile = DictPath + PUB_DICT_FILENAME; + Dicts[PUB_DICT_NAME] = new gdcmDict(PubDictFile); } -int gdcmDictSet::LoadDicomV3Dict(void) { - if (dicts.count(PUBDICTNAME)) - return 1; - return LoadDictFromFile(PUBDICTFILENAME, PUBDICTNAME); +gdcmDictSet::~gdcmDictSet() { + for (DictSetHT::iterator tag = Dicts.begin(); tag != Dicts.end(); ++tag) { + gdcmDict* EntryToDelete = tag->second; + if ( EntryToDelete ) + delete EntryToDelete; + } + Dicts.clear(); } -int gdcmDictSet::LoadDictFromFile(char * FileName, DictKey Name) { - gdcmDict *NewDict = new gdcmDict(FileName); - dicts[Name] = NewDict; +/** + * \ingroup gdcmDictSet + * \brief Loads a dictionary from a specified file, and add it + * to already the existing ones contained in this gdcmDictSet. + * @param FileName Absolute or relative filename containing the + * dictionary to load. + * @param Name Symbolic name that be used as identifier of the newly + * created dictionary. + */ +void gdcmDictSet::LoadDictFromFile(std::string FileName, DictKey Name) { + gdcmDict *NewDict = new gdcmDict(FileName); + Dicts[Name] = NewDict; } -void gdcmDictSet::Print(ostream& os) { - for (DictSetHT::iterator dict = dicts.begin(); dict != dicts.end(); ++dict){ - os << "Printing dictionary " << dict->first << " \n"; - dict->second->Print(os); - } +/** + * \ingroup gdcmDictSet + * \brief Print, in an informal fashion, the list of all the dictionaries + * contained is this gdcmDictSet, along with their respective content. + * @param os Output stream used for printing. + */ +void gdcmDictSet::Print(std::ostream& os) { + for (DictSetHT::iterator dict = Dicts.begin(); dict != Dicts.end(); ++dict){ + os << "Printing dictionary " << dict->first << std::endl; + dict->second->Print(os); + } } +/** + * \ingroup gdcmDictSet + * \brief Retrieve the specified dictionary (when existing) from this + * gdcmDictSet. + * @param DictName The synbolic name of the searched dictionary. + * \result The retrieved dictionary. + */ gdcmDict * gdcmDictSet::GetDict(DictKey DictName) { - DictSetHT::iterator dict = dicts.find(DictName); - return dict->second; + DictSetHT::iterator dict = Dicts.find(DictName); + return dict->second; } -gdcmDict * gdcmDictSet::GetDefaultPublicDict() { - return GetDict(PUBDICTNAME); +/** + * \ingroup gdcmDictSet + * \brief Retrieve the default reference DICOM V3 public dictionary. + * \result The retrieved default dictionary. + */ +gdcmDict * gdcmDictSet::GetDefaultPubDict() { + return GetDict(PUB_DICT_NAME); }