Program: gdcm
Module: $RCSfile: gdcmDict.cxx,v $
Language: C++
- Date: $Date: 2005/01/06 20:03:27 $
- Version: $Revision: 1.54 $
+ Date: $Date: 2005/02/11 15:22:18 $
+ Version: $Revision: 1.74 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
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.
uint16_t group;
uint16_t element;
TagName vr;
- TagName fourth;
+ TagName vm;
TagName name;
std::ifstream from( filename.c_str() );
if( !from )
{
- dbg.Verbose(2,"Dict::Dict: can't open dictionary", filename.c_str());
+ gdcmWarningMacro( "Can't open dictionary" << filename.c_str());
// Using default embeded one:
FillDefaultDataDict( this );
}
from >> group;
from >> element;
from >> vr;
- from >> fourth;
+ from >> vm;
from >> std::ws; //remove white space
std::getline(from, name);
- const DictEntry newEntry(group, element, vr, fourth, name);
- AddNewEntry(newEntry);
+ const DictEntry newEntry(group, element, vr, vm, name);
+ AddEntry(newEntry);
}
Filename = filename;
+ from.close();
}
- from.close();
}
/**
*/
Dict::~Dict()
{
- // Since AddNewEntry adds symetrical in both KeyHt and NameHT we can
- // assume all the pointed DictEntries are already cleaned-up when
- // we cleaned KeyHt.
- KeyHt.clear();
- NameHt.clear();
-}
-
-//-----------------------------------------------------------------------------
-// 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.
- */
-void Dict::Print(std::ostream &os)
-{
- os << "Dict file name : " << Filename << std::endl;
- PrintByKey(os);
-}
-
-/**
- * \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.
- */
-void Dict::PrintByKey(std::ostream &os)
-{
- 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.GetFourth() << ", ";
- s << tag->second.GetName() << "." << std::endl;
- }
- os << s.str();
-}
-
-/**
- * \brief Print all the dictionary entries contained in this dictionary.
- * Entries will be sorted by the name of the dictionary entries.
- * \warning AVOID USING IT : the name IS NOT an identifier;
- * unpredictable result
- * @param os The output stream to be written to.
- */
-void Dict::PrintByName(std::ostream &os)
-{
- std::ostringstream s;
-
- for (TagNameHT::iterator tag = NameHt.begin(); tag != NameHt.end(); ++tag)
- {
- s << "Entry : ";
- s << tag->second.GetName() << ",";
- s << tag->second.GetVR() << ", ";
- s << tag->second.GetFourth() << ", ";
- s << "(" << std::hex << std::setw(4) << tag->second.GetGroup() << ',';
- s << std::hex << std::setw(4) << tag->second.GetElement() << ") = ";
- s << std::dec << std::endl;
- }
- os << s.str();
+ ClearEntry();
}
//-----------------------------------------------------------------------------
// Public
/**
- * \ingroup Dict
* \brief adds a new Dicom Dictionary Entry
* @param newEntry entry to add
* @return false if Dicom Element already exists
*/
-bool Dict::AddNewEntry(DictEntry const &newEntry)
+bool Dict::AddEntry(DictEntry const &newEntry)
{
const TagKey &key = newEntry.GetKey();
if(KeyHt.count(key) == 1)
{
- dbg.Verbose(1, "Dict::AddNewEntry already present", key.c_str());
+ gdcmWarningMacro( "Already present" << key.c_str());
return false;
}
else
{
KeyHt.insert( TagKeyHT::value_type(newEntry.GetKey(), newEntry));
- NameHt.insert( TagNameHT::value_type(newEntry.GetName(), newEntry ));
return true;
}
}
/**
- * \ingroup Dict
* \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
if ( RemoveEntry(newEntry.GetKey()) )
{
KeyHt.insert( TagKeyHT::value_type(newEntry.GetKey(), newEntry));
- NameHt.insert( TagNameHT::value_type(newEntry.GetName(), newEntry ));
return true;
}
return false;
}
/**
- * \ingroup Dict
* \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)
+bool Dict::RemoveEntry(TagKey const &key)
{
TagKeyHT::const_iterator it = KeyHt.find(key);
if(it != KeyHt.end())
{
- const DictEntry& entryToDelete = it->second;
- NameHt.erase(entryToDelete.GetName());
KeyHt.erase(key);
return true;
}
else
{
- dbg.Verbose(1, "Dict::RemoveEntry unfound entry", key.c_str());
+ gdcmWarningMacro( "Unfound entry" << key.c_str());
return false;
}
}
* @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)
+bool Dict::RemoveEntry(uint16_t group, uint16_t elem)
{
return RemoveEntry(DictEntry::TranslateToKey(group, elem));
}
/**
- * \brief Get the dictionnary entry identified by it's name.
- * @param name element of the ElVal to modify
- * \warning : NEVER use it !
- * the 'name' IS NOT an identifier within the Dicom Dictionary
- * the name MAY CHANGE between two versions !
- * @return the corresponding dictionnary entry when existing, NULL otherwise
+ * \brief Remove all Dicom Dictionary Entries
*/
-DictEntry *Dict::GetDictEntryByName(TagName const &name)
+void Dict::ClearEntry()
{
- TagNameHT::iterator it = NameHt.find(name);
- if ( it == NameHt.end() )
- {
- return 0;
- }
- return &(it->second);
+ // we assume all the pointed DictEntries are already cleaned-up
+ // when we clean KeyHt.
+ KeyHt.clear();
}
/**
- * \brief Get the dictionnary entry identified by a given tag (group,element)
+ * \brief Get the dictionary entry identified by a given tag (group,element)
* @param group group of the entry to be found
- * @param element element of the entry to be found
- * @return the corresponding dictionnary entry when existing, NULL otherwise
+ * @param elem element of the entry to be found
+ * @return the corresponding dictionary entry when existing, NULL otherwise
*/
-DictEntry *Dict::GetDictEntryByNumber(uint16_t group, uint16_t element)
+DictEntry *Dict::GetEntry(uint16_t group, uint16_t elem)
{
- TagKey key = DictEntry::TranslateToKey(group, element);
+ TagKey key = DictEntry::TranslateToKey(group, elem);
TagKeyHT::iterator it = KeyHt.find(key);
if ( it == KeyHt.end() )
{
return &(it->second);
}
-/**
- * \brief Consider all the entries of the public dicom dictionnary.
- * Build all list of all the tag names of all those entries.
- * \sa DictSet::GetPubDictTagNamesByCategory
- * @return A list of all entries of the public dicom dictionnary.
+/**
+ * \brief Get the first entry while visiting the Dict entries
+ * \return The first DicEntry if found, otherwhise NULL
*/
-EntryNamesList *Dict::GetDictEntryNames()
+DictEntry *Dict::GetFirstEntry()
{
- EntryNamesList *result = new EntryNamesList;
- for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
- {
- result->push_back( tag->second.GetName() );
- }
- return result;
+ ItKeyHt = KeyHt.begin();
+ if( ItKeyHt != KeyHt.end() )
+ return &(ItKeyHt->second);
+ return NULL;
}
-/**
- * \ingroup Dict
- * \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.
+/**
+ * \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
*/
-EntryNamesByCatMap *Dict::GetDictEntryNamesByCategory()
+DictEntry *Dict::GetNextEntry()
{
- EntryNamesByCatMap *result = new EntryNamesByCatMap;
-
- for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
- {
- (*result)[tag->second.GetFourth()].push_back(tag->second.GetName());
- }
+ gdcmAssertMacro (ItKeyHt != KeyHt.end());
- return result;
+ ++ItKeyHt;
+ if (ItKeyHt != KeyHt.end())
+ return &(ItKeyHt->second);
+ return NULL;
}
//-----------------------------------------------------------------------------
// 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