-// gdcmDict.cxx
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmDict.cxx,v $
+ Language: C++
+ Date: $Date: 2004/08/01 02:39:09 $
+ Version: $Revision: 1.41 $
+
+ 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 <fstream>
#include "gdcmDict.h"
#include "gdcmUtil.h"
+#include "gdcmDebug.h"
+
+#include <fstream>
+#include <iostream>
+#include <iomanip>
+
+//-----------------------------------------------------------------------------
+// Constructor / Destructor
+/**
+ * \brief Construtor
+ * @param FileName from which to build the dictionary.
+ */
+gdcmDict::gdcmDict(std::string const & filename)
+{
+ uint16_t group;
+ uint16_t element;
+ TagName vr;
+ TagName fourth;
+ TagName name;
+
+ std::ifstream from( filename.c_str() );
+ dbg.Error(!from, "gdcmDict::gdcmDict: can't open dictionary",
+ filename.c_str());
+
+ while (!from.eof())
+ {
+ from >> std::hex;
+ from >> group; /// MEMORY LEAK in std::istream::operator>>
+ from >> element;
+ from >> vr;
+ from >> fourth;
+ eatwhite(from);
+ std::getline(from, name); /// MEMORY LEAK in std::getline<>
-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;
- TagName vr;
- TagName fourth;
- TagName 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);
- NameHt[name] = newEntry;
- KeyHt[gdcmDictEntry::TranslateToKey(group, element)] = newEntry;
- }
- from.close();
+ gdcmDictEntry * newEntry = new gdcmDictEntry(group, element,
+ vr, fourth, name);
+ AddNewEntry(newEntry);
+ }
+ from.close();
+
+ Filename = filename;
}
-void gdcmDict::Print(ostream& os) {
- PrintByKey(os);
+/**
+ * \brief Destructor
+ */
+gdcmDict::~gdcmDict()
+{
+ for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
+ {
+ gdcmDictEntry* entryToDelete = tag->second;
+ if ( entryToDelete )
+ {
+ delete entryToDelete;
+ }
+ }
+ // Since AddNewEntry adds symetrical in both KeyHt and NameHT we can
+ // assume all the pointed gdcmDictEntries are already cleaned-up when
+ // we cleaned KeyHt.
+ KeyHt.clear();
+ NameHt.clear();
}
+//-----------------------------------------------------------------------------
+// Print
/**
- * \ingroup gdcmHeader
* \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 gdcmDict::PrintByKey(ostream& os) {
- for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.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;
- }
+void gdcmDict::Print(std::ostream &os)
+{
+ os << "Dict file name : " << Filename << std::endl;
+ PrintByKey(os);
}
/**
- * \ingroup gdcmHeader
* \brief Print all the dictionary entries contained in this dictionary.
- * Entries will be sorted by the name of the dictionary entries.
+ * Entries will be sorted by tag i.e. the couple (group, element).
* @param os The output stream to be written to.
*/
-void gdcmDict::PrintByName(ostream& os) {
- for (TagNameHT::iterator tag = NameHt.begin(); tag != NameHt.end(); ++tag){
- os << "Tag : ";
- os << tag->second->GetName() << ",";
- os << tag->second->GetVR() << ", ";
- os << tag->second->GetFourth() << ", ";
- os << "(" << hex << tag->second->GetGroup() << ',';
- os << hex << tag->second->GetElement() << ") = " << dec << endl;
- }
+void gdcmDict::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();
}
/**
- * \ingroup gdcmHeader
- * \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 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.
*/
-gdcmDictEntry * gdcmDict::GetTagByNumber(guint16 group, guint16 element) {
- TagKey key = gdcmDictEntry::TranslateToKey(group, element);
- if ( ! KeyHt.count(key))
- return (gdcmDictEntry*)0;
- return KeyHt.find(key)->second;
+void gdcmDict::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();
}
+//-----------------------------------------------------------------------------
+// Public
/**
- * \ingroup gdcmHeader
- * \brief Get the dictionnary entry identified by it's name.
- * @param name element of the ElVal to modify
- * @return the corresponding dictionnary entry when existing, NULL otherwise
+ * \ingroup gdcmDict
+ * \brief adds a new Dicom Dictionary Entry
+ * @param NewEntry entry to add
+ * @return false if Dicom Element already exists
*/
-gdcmDictEntry * gdcmDict::GetTagByName(TagName name) {
- if ( ! NameHt.count(name))
- return (gdcmDictEntry*)0;
- return NameHt.find(name)->second;
-}
+bool gdcmDict::AddNewEntry(gdcmDictEntry *newEntry)
+{
+ gdcmTagKey key = newEntry->GetKey();
-int gdcmDict::ReplaceEntry(gdcmDictEntry* NewEntry) {
- if ( RemoveEntry(NewEntry->gdcmDictEntry::GetKey()) ) {
- KeyHt[ NewEntry->GetKey()] = NewEntry;
- return (1);
+ if(KeyHt.count(key) == 1)
+ {
+ dbg.Verbose(1, "gdcmDict::AddNewEntry already present", key.c_str());
+ return false;
}
- return (0);
+ else
+ {
+ KeyHt[newEntry->GetKey()] = newEntry;
+ NameHt[newEntry->GetName()] = newEntry;
+ return true;
+ }
}
-int gdcmDict::AddNewEntry(gdcmDictEntry* NewEntry) {
-
- TagKey key;
- key = NewEntry->GetKey();
-
- if(KeyHt.count(key) == 1) {
- dbg.Verbose(1, "gdcmDict::AddNewEntry allready present", key.c_str());
- return(0);
- } else {
- KeyHt[NewEntry->GetKey()] = NewEntry;
- return(1);
- }
+/**
+ * \ingroup gdcmDict
+ * \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 gdcmDict::ReplaceEntry(gdcmDictEntry *newEntry)
+{
+ if ( RemoveEntry(newEntry->gdcmDictEntry::GetKey()) )
+ {
+ KeyHt[newEntry->GetKey()] = newEntry;
+ NameHt[newEntry->GetName()] = newEntry;
+ return true;
+ }
+ return false;
}
+/**
+ * \ingroup gdcmDict
+ * \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 gdcmDict::RemoveEntry(gdcmTagKey key)
+{
+ if(KeyHt.count(key) == 1)
+ {
+ gdcmDictEntry* entryToDelete = KeyHt.find(key)->second;
+
+ if ( entryToDelete )
+ {
+ NameHt.erase(entryToDelete->GetName());
+ delete entryToDelete;
+ }
-int gdcmDict::RemoveEntry(TagKey key) {
- if(KeyHt.count(key) == 1) {
KeyHt.erase(key);
- return (1);
- } else {
+ return true;
+ }
+ else
+ {
dbg.Verbose(1, "gdcmDict::RemoveEntry unfound entry", key.c_str());
- return (0);
+ 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
+ * @return false if Dicom Dictionary Entry doesn't exist
+ */
+bool gdcmDict::RemoveEntry (uint16_t group, uint16_t element)
+{
+ return RemoveEntry(gdcmDictEntry::TranslateToKey(group, element));
+}
-int gdcmDict::RemoveEntry (guint16 group, guint16 element) {
- return( RemoveEntry(gdcmDictEntry::TranslateToKey(group, element)) );
+/**
+ * \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
+ */
+gdcmDictEntry* gdcmDict::GetDictEntryByName(TagName name)
+{
+ if ( !NameHt.count(name))
+ {
+ return 0;
+ }
+ return NameHt.find(name)->second;
}
+/**
+ * \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
+ */
+gdcmDictEntry* gdcmDict::GetDictEntryByNumber(uint16_t group, uint16_t element)
+{
+ gdcmTagKey key = gdcmDictEntry::TranslateToKey(group, element);
+ if ( !KeyHt.count(key) )
+ {
+ return 0;
+ }
+ return KeyHt.find(key)->second;
+}
+
+/**
+ * \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>* gdcmDict::GetDictEntryNames()
+{
+ std::list<std::string> *result = new std::list<std::string>;
+ for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
+ {
+ result->push_back( tag->second->GetName() );
+ }
+ return result;
+}
+
+/**
+ * \ingroup gdcmDict
+ * \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> > *gdcmDict::GetDictEntryNamesByCategory(void)
+{
+ std::map<std::string, std::list<std::string> > *result = new std::map<std::string, std::list<std::string> >;
+
+ for (TagKeyHT::iterator tag = KeyHt.begin(); tag != KeyHt.end(); ++tag)
+ {
+ (*result)[tag->second->GetFourth()].push_back(tag->second->GetName());
+ }
+
+ return result;
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff