-// gdcmDictEntry
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmDictSet.cxx,v $
+ Language: C++
+ Date: $Date: 2004/06/20 18:08:47 $
+ Version: $Revision: 1.31 $
+
+ 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.
+
+ 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 "gdcmDictSet.h"
+#include "gdcmDebug.h"
#include <fstream>
#include <stdlib.h> // For getenv
-#include "gdcm.h"
-#include "gdcmUtil.h"
-
-#define PUB_DICT_NAME "DicomV3Dict"
-#ifndef PUB_DICT_PATH
-# define PUB_DICT_PATH "../Dicts/"
-#endif
-#define PUB_DICT_FILENAME "dicomV3.dic"
-
-gdcmDictSet::gdcmDictSet(void) {
- SetDictPath();
- if (! LoadDicomV3Dict())
- return;
-}
-
-void gdcmDictSet::SetDictPath(void) {
- const char* EnvPath = (char*)0;
- EnvPath = getenv("GDCM_DICT_PATH");
- if (EnvPath && (strlen(EnvPath) != 0)) {
- DictPath = EnvPath;
- if (DictPath[DictPath.length() -1] != '/' )
- DictPath += '/';
- dbg.Verbose(1, "gdcmDictSet::SetDictPath:",
- "Dictionary path set from environnement");
- } else
- DictPath = PUB_DICT_PATH;
+
+//-----------------------------------------------------------------------------
+// Constructor / Destructor
+/**
+ * \ingroup gdcmDictSet
+ * \brief The Dictionnary Set obtained with this constructor simply
+ * contains the Default Public dictionnary.
+ */
+gdcmDictSet::gdcmDictSet(void)
+{
+ DictPath = BuildDictPath();
+ std::string PubDictFile(DictPath);
+ PubDictFile += PUB_DICT_FILENAME; /// MEMORY LEAK std::string::operator+=
+ Dicts[PUB_DICT_NAME] = new gdcmDict(PubDictFile);
+}
+
+/**
+ * \ingroup gdcmDictSet
+ * \brief Destructor
+ */
+gdcmDictSet::~gdcmDictSet()
+{
+ // Remove dictionnaries
+ for (DictSetHT::iterator tag = Dicts.begin(); tag != Dicts.end(); ++tag)
+ {
+ gdcmDict *EntryToDelete = tag->second;
+ if ( EntryToDelete )
+ delete EntryToDelete;
+ tag->second=NULL;
+ }
+ Dicts.clear();
+
+ // Remove virtual dictionnary entries
+ std::map<std::string,gdcmDictEntry *>::iterator it;
+ for(it=virtualEntry.begin(); it!=virtualEntry.end(); ++it)
+ {
+ gdcmDictEntry *Entry = it->second;
+ if ( Entry )
+ delete Entry;
+ it->second=NULL;
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Print
+/**
+ * \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);
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Public
+/**
+ * \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<std::string> *gdcmDictSet::GetPubDictEntryNames(void)
+{
+ return(GetDefaultPubDict()->GetDictEntryNames());
}
-int gdcmDictSet::LoadDicomV3Dict(void) {
- if (dicts.count(PUB_DICT_NAME))
- return 1;
- return LoadDictFromFile(DictPath + PUB_DICT_FILENAME, PUB_DICT_NAME);
+/**
+ * \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 of the 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<std::string, std::list<std::string> > *gdcmDictSet::GetPubDictEntryNamesByCategory(void)
+{
+ return(GetDefaultPubDict()->GetDictEntryNamesByCategory());
}
-int gdcmDictSet::LoadDictFromFile(string FileName, DictKey Name) {
- gdcmDict *NewDict = new gdcmDict(FileName.c_str());
- dicts[Name] = NewDict;
- return 0; //FIXME if this is a dummy return make the method void
+/**
+ * \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.
+ */
+gdcmDict *gdcmDictSet::LoadDictFromFile(std::string FileName, DictKey Name)
+{
+ gdcmDict *NewDict = new gdcmDict(FileName);
+ AppendDict(NewDict,Name);
+ return(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 Retrieve the specified dictionary (when existing) from this
+ * gdcmDictSet.
+ * @param DictName The symbolic name of the searched dictionary.
+ * \result The retrieved dictionary.
+ */
+gdcmDict *gdcmDictSet::GetDict(DictKey DictName)
+{
+ DictSetHT::iterator dict = Dicts.find(DictName);
+ if(dict!=Dicts.end())
+ return dict->second;
+ return NULL;
}
-gdcmDict * gdcmDictSet::GetDict(DictKey DictName) {
- DictSetHT::iterator dict = dicts.find(DictName);
- return dict->second;
+/**
+ * \ingroup gdcmDictSet
+ * \brief Retrieve the default reference DICOM V3 public dictionary.
+ * \result The retrieved default dictionary.
+ */
+gdcmDict *gdcmDictSet::GetDefaultPubDict()
+{
+ return GetDict(PUB_DICT_NAME);
}
-gdcmDict * gdcmDictSet::GetDefaultPublicDict() {
- return GetDict(PUB_DICT_NAME);
+/**
+ * \ingroup gdcmDictSet
+ * \brief Create a gdcmDictEntry which will be reference
+ * in no dictionnary
+ * @return virtual entry
+ */
+gdcmDictEntry *gdcmDictSet::NewVirtualDictEntry(guint16 group, guint16 element,
+ std::string vr,std::string fourth,
+ std::string name)
+{
+ gdcmDictEntry *entry;
+ std::string tag=gdcmDictEntry::TranslateToKey(group,element)+"#"+vr+"#"+fourth+"#"+name;
+ std::map<std::string,gdcmDictEntry *>::iterator it;
+
+ it=virtualEntry.find(tag);
+ if(it!=virtualEntry.end())
+ {
+ entry=it->second;
+ }
+ else
+ {
+ entry=new gdcmDictEntry(group,element,vr,fourth,name);
+ virtualEntry[tag]=entry;
+ }
+ return(entry);
}
+
+/**
+ * \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/".
+ * @return path to directory containing the dictionnaries
+ */
+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;
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+bool gdcmDictSet::AppendDict(gdcmDict *NewDict,DictKey Name)
+{
+ Dicts[Name] = NewDict;
+ return(true);
+}
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
+
+