-#include <fstream>
-#include "gdcm.h"
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmDict.cxx,v $
+ Language: C++
+ Date: $Date: 2005/05/11 15:01:47 $
+ Version: $Revision: 1.75 $
+
+ 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.html 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 "gdcmDict.h"
#include "gdcmUtil.h"
+#include "gdcmDebug.h"
+
+#include <fstream>
+#include <iostream>
+#include <iomanip>
+
+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.
+ */
+Dict::Dict(std::string const &filename)
+{
+ uint16_t group;
+ uint16_t element;
+ TagName vr;
+ TagName vm;
+ TagName name;
+
+ std::ifstream from( filename.c_str() );
+ if( !from )
+ {
+ gdcmWarningMacro( "Can't open dictionary" << filename.c_str());
+ // Using default embeded one:
+ FillDefaultDataDict( this );
+ }
+ else
+ {
+ while (!from.eof())
+ {
+ from >> std::hex;
+ from >> group;
+ from >> element;
+ from >> vr;
+ from >> vm;
+ from >> std::ws; //remove white space
+ std::getline(from, name);
+
+ const DictEntry newEntry(group, element, vr, vm, name);
+ AddEntry(newEntry);
+ }
+
+ Filename = filename;
+ from.close();
+ }
+}
+
+/**
+ * \brief Destructor
+ */
+Dict::~Dict()
+{
+ ClearEntry();
+}
+
+//-----------------------------------------------------------------------------
+// Public
+/**
+ * \brief adds a new Dicom Dictionary Entry
+ * @param newEntry entry to add
+ * @return false if Dicom Element already exists
+ */
+bool Dict::AddEntry(DictEntry const &newEntry)
+{
+ const TagKey &key = newEntry.GetKey();
+
+ if(KeyHt.count(key) == 1)
+ {
+ gdcmWarningMacro( "Already present" << key.c_str());
+ return false;
+ }
+ else
+ {
+ KeyHt.insert( TagKeyHT::value_type(newEntry.GetKey(), newEntry));
+ return true;
+ }
+}
+
+/**
+ * \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 const &newEntry)
+{
+ if ( RemoveEntry(newEntry.GetKey()) )
+ {
+ KeyHt.insert( TagKeyHT::value_type(newEntry.GetKey(), newEntry));
+ return true;
+ }
+ return false;
+}
+
+/**
+ * \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)
+{
+ TagKeyHT::const_iterator it = KeyHt.find(key);
+ if(it != KeyHt.end())
+ {
+ KeyHt.erase(key);
-gdcmDict::gdcmDict(char * FileName) {
- std::ifstream from(FileName);
- dbg.Error(!from, "gdcmDictSet::gdcmDictSet:",
- "can't open dictionary");
- guint16 group, element;
- // CLEANME : use defines for all those constants
- char buff[1024];
- TagKey key, vr, fourth, 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);
- entries[gdcmDictEntry::TranslateToKey(group, element)] = newEntry;
- }
- from.close();
-}
-
-void gdcmDict::Print(ostream& os) {
- for (TagHT::iterator tag = entries.begin(); tag != entries.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;
- }
-}
-
-gdcmDictEntry * gdcmDict::GetTag(guint32 group, guint32 element) {
- TagKey key = gdcmDictEntry::TranslateToKey(group, element);
- TagHT::iterator found = entries.find(key);
- return found->second;
+ return true;
+ }
+ else
+ {
+ gdcmWarningMacro( "Unfound entry" << key.c_str());
+ 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 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)
+{
+ return RemoveEntry(DictEntry::TranslateToKey(group, elem));
+}
+
+/**
+ * \brief Remove all Dicom Dictionary Entries
+ */
+void Dict::ClearEntry()
+{
+ // we assume all the pointed DictEntries are already cleaned-up
+ // when we clean KeyHt.
+ KeyHt.clear();
+}
+
+/**
+ * \brief Get the dictionary entry identified by a given tag (group,element)
+ * @param group group of the entry to be found
+ * @param elem element of the entry to be found
+ * @return the corresponding dictionary entry when existing, NULL otherwise
+ */
+DictEntry *Dict::GetEntry(TagKey const &key)
+{
+ TagKeyHT::iterator it = KeyHt.find(key);
+ if ( it == KeyHt.end() )
+ {
+ return 0;
+ }
+ return &(it->second);
+}
+
+DictEntry *Dict::GetEntry(uint16_t group, uint16_t elem)
+{
+ TagKey key = DictEntry::TranslateToKey(group, elem);
+ TagKeyHT::iterator it = KeyHt.find(key);
+ if ( it == KeyHt.end() )
+ {
+ return 0;
+ }
+ return &(it->second);
+}
+
+/**
+ * \brief Get the first entry while visiting the Dict entries
+ * \return The first DicEntry if found, otherwhise NULL
+ */
+DictEntry *Dict::GetFirstEntry()
+{
+ ItKeyHt = KeyHt.begin();
+ if( ItKeyHt != KeyHt.end() )
+ return &(ItKeyHt->second);
+ return NULL;
+}
+
+/**
+ * \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());
+
+ ++ItKeyHt;
+ if (ItKeyHt != KeyHt.end())
+ return &(ItKeyHt->second);
+ return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// 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
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff