Program: gdcm
Module: $RCSfile: gdcmDict.cxx,v $
Language: C++
- Date: $Date: 2004/10/12 04:35:45 $
- Version: $Revision: 1.45 $
+ Date: $Date: 2007/05/23 14:18:09 $
+ Version: $Revision: 1.87 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include <fstream>
#include <iostream>
#include <iomanip>
-namespace gdcm
+
+namespace GDCM_NAME_SPACE
{
+//-----------------------------------------------------------------------------
+/// \brief auto generated function, to fill up the Dicom Dictionnary,
+/// if relevant file is not found on user's disk
+void FillDefaultDataDict(Dict *d);
//-----------------------------------------------------------------------------
// Constructor / Destructor
/**
- * \brief Construtor
- * @param filename from which to build the dictionary.
+ * \brief Constructor
*/
-Dict::Dict(std::string const & filename)
+Dict::Dict( )
{
- uint16_t group;
- uint16_t element;
- TagName vr;
- TagName fourth;
- TagName name;
+ Filename="";
+}
+/**
+ * \brief Constructor
+ * @param filename from which to build the dictionary.
+ */
+Dict::Dict(std::string const &filename)
+{
+ gdcmDebugMacro( "in Dict::Dict, filename =[" << filename << "]" );
std::ifstream from( filename.c_str() );
- dbg.Error(!from, "Dict::Dict: can't open dictionary",
- filename.c_str());
-
- while (!from.eof())
+ if ( !from )
{
- from >> std::hex;
- from >> group; /// MEMORY LEAK in std::istream::operator>>
- from >> element;
- from >> vr;
- from >> fourth;
- from >> std::ws; // used to be eatwhite(from);
- std::getline(from, name); /// MEMORY LEAK in std::getline<>
-
- DictEntry * newEntry = new DictEntry(group, element,
- vr, fourth, name);
- AddNewEntry(newEntry);
+ gdcmWarningMacro( "Can't open dictionary" << filename.c_str());
+ // Using default embeded one:
+ FillDefaultDataDict( this );
+ }
+ else
+ {
+ gdcmDebugMacro( "in Dict::Dict, DoTheLoadingJob filename =["
+ << filename << "]" );
+ DoTheLoadingJob(from);
+ Filename = filename;
}
- from.close();
-
- Filename = filename;
}
/**
*/
Dict::~Dict()
{
- for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
- {
- DictEntry* entryToDelete = tag->second;
- if ( entryToDelete )
- {
- delete entryToDelete;
- }
- }
- // 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();
+ ClearEntry();
}
//-----------------------------------------------------------------------------
-// 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);
-}
+// Public
/**
- * \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.
+ * \brief Add all the entries held in a source dictionary
+ * \note it concerns only Private Dictionnary
+ * @param filename from which to build the dictionary.
*/
-void Dict::PrintByKey(std::ostream &os)
+bool Dict::AddDict(std::string const &filename)
{
- std::ostringstream s;
-
- for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
+ std::ifstream from( filename.c_str() );
+ if ( !from )
{
- 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;
+ gdcmWarningMacro( "Can't open dictionary" << filename.c_str());
+ return false;
+ }
+ else
+ {
+ DoTheLoadingJob(from);
+ return true;
}
- 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.
+ * \brief Removes from the current Dicom Dict all the entries held in a source dictionary
+ * \note it concerns only Private Dictionnary
+ * @param filename from which we read the entries to remove.
*/
-void Dict::PrintByName(std::ostream& os)
+bool Dict::RemoveDict(std::string const &filename)
{
- std::ostringstream s;
-
- for (TagNameHT::iterator tag = NameHt.begin(); tag != NameHt.end(); ++tag)
+ std::ifstream from( filename.c_str() );
+ if ( !from )
{
- 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;
+ gdcmWarningMacro( "Can't open dictionary" << filename.c_str());
+ return false;
+ }
+ else
+ {
+ uint16_t group;
+ uint16_t elem;
+ TagName vr;
+ TagName vm;
+ TagName name;
+
+ while ( true )
+ {
+ from >> std::hex;
+ from >> group;
+
+ if (from.eof())
+ break;
+
+ from >> elem;
+ from >> vr;
+ from >> vm;
+ // from >> std::ws; //remove white space
+ std::getline(from, name);
+
+ RemoveEntry(group,elem);
+ }
+ from.close();
+ return true;
}
- os << s.str();
}
-//-----------------------------------------------------------------------------
-// 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 *newEntry)
+bool Dict::AddEntry(DictEntry *newEntry)
{
- TagKey key = newEntry->GetKey();
+ const TagKey &key = newEntry->GetKey();
- if(KeyHt.count(key) == 1)
+ if ( KeyHt.count(key) == 1 )
{
- dbg.Verbose(1, "Dict::AddNewEntry already present", key.c_str());
+ gdcmErrorMacro( "Already present:" << key );
return false;
}
else
{
- KeyHt[newEntry->GetKey()] = newEntry;
- NameHt[newEntry->GetName()] = newEntry;
+ newEntry->Register();
+ KeyHt.insert( TagKeyHT::value_type(key, 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
+/*
+ * \ 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 *newEntry)
+
+ /* seems to be useless
+
+bool Dict::ReplaceEntry(DictEntry *newEntry) // seems to be useless
{
- if ( RemoveEntry(newEntry->DictEntry::GetKey()) )
+ const TagKey &key = newEntry->GetKey();
+ if ( RemoveEntry(key) )
{
- KeyHt[newEntry->GetKey()] = newEntry;
- NameHt[newEntry->GetName()] = newEntry;
- return true;
+ newEntry->Register();
+ KeyHt.insert( TagKeyHT::value_type(key, 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 key)
+bool Dict::RemoveEntry(TagKey const &key)
{
- if(KeyHt.count(key) == 1)
+ TagKeyHT::const_iterator it = KeyHt.find(key);
+ if ( it != KeyHt.end() )
{
- DictEntry* entryToDelete = KeyHt.find(key)->second;
-
- if ( entryToDelete )
- {
- NameHt.erase(entryToDelete->GetName());
- delete entryToDelete;
- }
+ it->second->Unregister(); // delete the entry
+ KeyHt.erase(key); // remove pointer from HTable
- KeyHt.erase(key);
return true;
}
else
{
- dbg.Verbose(1, "Dict::RemoveEntry unfound entry", key.c_str());
+ 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 element Dicom element 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 element)
+bool Dict::RemoveEntry(uint16_t group, uint16_t elem)
{
- return RemoveEntry(DictEntry::TranslateToKey(group, element));
+ 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 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 name)
+void Dict::ClearEntry()
{
- if ( !NameHt.count(name))
- {
- return 0;
- }
- return NameHt.find(name)->second;
+ // we assume all the pointed DictEntries are already cleaned-up
+ // when we clean KeyHt.
+ TagKeyHT::const_iterator it;
+
+ for(it = KeyHt.begin();it!=KeyHt.end();++it)
+ it->second->Unregister(); // delete the entry
+ KeyHt.clear(); // remove all the entries from HTable
+
}
/**
- * \brief Get the dictionnary 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
+ * \brief Get the dictionary entry identified by a given tag ("group|element")
+ * @param key tag of the searched entry
+ * @return the corresponding dictionary entry when existing, NULL otherwise
*/
-DictEntry* Dict::GetDictEntryByNumber(uint16_t group, uint16_t element)
+DictEntry *Dict::GetEntry(TagKey const &key)
{
- TagKey key = DictEntry::TranslateToKey(group, element);
- if ( !KeyHt.count(key) )
+ TagKeyHT::iterator it = KeyHt.find(key);
+ if ( it == KeyHt.end() )
{
return 0;
}
- return KeyHt.find(key)->second;
+ 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 dictionary entry identified by its "group" and "element")
+ * @param group Group number of the searched entry.
+ * @param elem Element number of the searched entry.
+ * @return the corresponding dictionary entry when existing, NULL otherwise
*/
-std::list<std::string>* Dict::GetDictEntryNames()
+DictEntry *Dict::GetEntry(uint16_t group, uint16_t elem)
{
- std::list<std::string> *result = new std::list<std::string>;
- for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
+ TagKey key = DictEntry::TranslateToKey(group, elem);
+ TagKeyHT::iterator it = KeyHt.find(key);
+ if ( it == KeyHt.end() )
{
- result->push_back( tag->second->GetName() );
+ return 0;
}
- return result;
+ return it->second;
}
-/**
- * \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 first entry while visiting the Dict entries
+ * \return The first DicEntry if found, otherwhise NULL
*/
-std::map<std::string, std::list<std::string> > *Dict::GetDictEntryNamesByCategory(void)
+DictEntry *Dict::GetFirstEntry()
{
- std::map<std::string, std::list<std::string> > *result = new std::map<std::string, std::list<std::string> >;
+ ItKeyHt = KeyHt.begin();
+ if ( ItKeyHt != KeyHt.end() )
+ return ItKeyHt->second;
+ return NULL;
+}
- for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
- {
- (*result)[tag->second->GetFourth()].push_back(tag->second->GetName());
- }
+/**
+ * \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());
- return result;
+ ++ItKeyHt;
+ if (ItKeyHt != KeyHt.end())
+ return ItKeyHt->second;
+ return NULL;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// Private
+/**
+ * \brief Add all the dictionary entries from an already open source file
+ * @param from input stream to read from.
+ */
+void Dict::DoTheLoadingJob(std::ifstream &from)
+{
+ if (!from)
+ return;
+
+ uint16_t group;
+ uint16_t elem;
+ VRKey vr;
+ TagName vm;
+ TagName name;
+ DictEntry *newEntry;
+ while ( true )
+ {
+ from >> std::hex;
+ from >> group;
+ from >> elem;
+ from >> vr;
+ from >> vm;
+ from >> std::ws; //remove white space
+ std::getline(from, name);
+
+ if(from.eof()) {
+ break;
+ }
+
+ newEntry = DictEntry::New(group, elem, vr, vm, name);
+ AddEntry(newEntry);
+ newEntry->Delete();
+ }
+ from.close();
+}
//-----------------------------------------------------------------------------
+// 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)
+ {
+std::cout << tag->second->GetKey() << " " << tag->second->GetName()
+ << std::endl;
+ s << "Entry : ";
+ s << "(" << tag->second->GetKey() << ") = "
+ << std::dec;
+ s << tag->second->GetVR() << ", ";
+ s << tag->second->GetVM() << ", ";
+ s << tag->second->GetName() << "." << std::endl;
+
+ }
+ os << s.str();
+
+}
+
+//-----------------------------------------------------------------------------
} // end namespace gdcm