gdcmdocentryset.cxx

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         return NULL;
      }
   }

   // Set the binEntry value
   SetValEntry(value, valEntry); // The std::string value
   return valEntry;
}

/**
 * \brief   Modifies the value of a given Header Entry (Dicom Element)
 *          when it exists. Create it with the given value when unexistant.
 *          A copy of the binArea is made to be kept in the Document.
 * @param   binArea (binary) value to be set
 * @param   lgth length of the Bin Area we want to set
 * @param   group   Group number of the Entry 
 * @param   elem  Element number of the Entry
 * @param   vr  V(alue) R(epresentation) of the Entry -if private Entry-
 * \return  pointer to the modified/created Header Entry (NULL when creation
 *          failed).
 */
BinEntry *DocEntrySet::InsertBinEntry(uint8_t *binArea, int lgth, 
                                      uint16_t group, uint16_t elem,
                                      TagName const &vr )
{
   BinEntry *binEntry = 0;
   DocEntry *currentEntry = GetDocEntry( group, elem );

   // Verify the currentEntry
   if (currentEntry)
   {
      binEntry = dynamic_cast<BinEntry *>(currentEntry);

      // Verify the VR
      if ( binEntry )
         if ( binEntry->GetVR()!=vr )
            binEntry = NULL;

      // if currentEntry doesn't correspond to the requested valEntry
      if ( !binEntry)
      {
         if ( !RemoveEntry(currentEntry) )
         {
            gdcmWarningMacro( "Removal of previous DocEntry failed.");
            return NULL;
         }
      }
   }

   // Create a new binEntry if necessary
   if ( !binEntry)
   {
      binEntry = NewBinEntry(group, elem, vr);

      if ( !AddEntry(binEntry) )
      {
         gdcmWarningMacro( "AddEntry failed although this is a creation.");
         delete binEntry;
         return NULL;
      }
   }

   // Set the binEntry value
   uint8_t *tmpArea;
   if ( lgth>0 && binArea )
   {
      tmpArea = new uint8_t[lgth];
      memcpy(tmpArea,binArea,lgth);
   }
   else
   {
      tmpArea = 0;
   }
   if ( !SetBinEntry(tmpArea,lgth,binEntry) )
   {
      if ( tmpArea )
      {
         delete[] tmpArea;
      }
   }
   return binEntry;
}  

/**
 * \brief   Creates a new gdcm::SeqEntry and adds it to the current DocEntrySet.
 *          (remove any existing entry with same group,elem)
 * @param   group   Group number of the Entry 
 * @param   elem  Element number of the Entry
 * \return  pointer to the created SeqEntry (NULL when creation
 *          failed).
 */
SeqEntry *DocEntrySet::InsertSeqEntry(uint16_t group, uint16_t elem)
{
   SeqEntry *seqEntry = 0;
   DocEntry *currentEntry = GetDocEntry( group, elem );

   // Verify the currentEntry
   if ( currentEntry )
   {
      seqEntry = dynamic_cast<SeqEntry *>(currentEntry);

      // Verify the VR
      if ( seqEntry )
         seqEntry = NULL;

      // if currentEntry doesn't correspond to the requested seqEntry
      if ( !seqEntry )
      {
         if (!RemoveEntry(currentEntry))
         {
            gdcmWarningMacro( "Removal of previous DocEntry failed.");

            return NULL;
         }
      }
   }
   // Create a new seqEntry if necessary
   if ( !seqEntry )
   {
      seqEntry = NewSeqEntry(group, elem);

      if ( !AddEntry(seqEntry) )
      {
         gdcmWarningMacro( "AddEntry failed although this is a creation.");

         delete seqEntry;
         return NULL;
      }
   }

   // TODO : Find a trick to insert a SequenceDelimitationItem 
   //       in the SeqEntry, at the end.
   return seqEntry;
} 
 
/**
 * \brief   Checks if a given Dicom Element exists within the DocEntrySet
 * @param   group   Group number of the searched Dicom Element 
 * @param   elem  Element number of the searched Dicom Element 
 * @return true is found
 */
bool DocEntrySet::CheckIfEntryExist(uint16_t group, uint16_t elem )
{
   return GetDocEntry(group,elem)!=NULL;
}

/**
 * \brief   Build a new Val Entry from all the low level arguments. 
 *          Check for existence of dictionary entry, and build
 *          a default one when absent.
 * @param   group Group number   of the new Entry
 * @param   elem  Element number of the new Entry
 * @param   vr    V(alue) R(epresentation) of the new Entry 
 */
ValEntry *DocEntrySet::NewValEntry(uint16_t group,uint16_t elem,
                                   TagName const &vr) 
{
   DictEntry *dictEntry = GetDictEntry(group, elem, vr);
   gdcmAssertMacro(dictEntry);

   ValEntry *newEntry = new ValEntry(dictEntry);
   if (!newEntry) 
   {
      gdcmWarningMacro( "Failed to allocate ValEntry");
      return 0;
   }
   return newEntry;
}


/**
 * \brief   Build a new Bin Entry from all the low level arguments. 
 *          Check for existence of dictionary entry, and build
 *          a default one when absent.
 * @param   group Group   number of the new Entry
 * @param   elem  Element number of the new Entry
 * @param   vr    V(alue) R(epresentation) of the new Entry 
 */
BinEntry *DocEntrySet::NewBinEntry(uint16_t group, uint16_t elem,
                                   TagName const &vr) 
{
   DictEntry *dictEntry = GetDictEntry(group, elem, vr);
   gdcmAssertMacro(dictEntry);

   BinEntry *newEntry = new BinEntry(dictEntry);
   if (!newEntry) 
   {
      gdcmWarningMacro( "Failed to allocate BinEntry");
      return 0;
   }
   return newEntry;
}

/**
 * \brief   Build a new SeqEntry from all the low level arguments. 
 *          Check for existence of dictionary entry, and build
 *          a default one when absent.
 * @param   group Group   number of the new Entry
 * @param   elem  Element number of the new Entry
 */
SeqEntry* DocEntrySet::NewSeqEntry(uint16_t group, uint16_t elem) 
{
   DictEntry *dictEntry = GetDictEntry(group, elem, "SQ");
   gdcmAssertMacro(dictEntry);

   SeqEntry *newEntry = new SeqEntry( dictEntry );
   if (!newEntry)
   {
      gdcmWarningMacro( "Failed to allocate SeqEntry");
      return 0;
   }
   return newEntry;
}

/**
 * \brief   Request a new virtual dict entry to the dict set
 * @param   group Group   number of the underlying DictEntry
 * @param   elem  Element number of the underlying DictEntry
 * @param   vr    V(alue) R(epresentation) of the underlying DictEntry
 * @param   vm    V(alue) M(ultiplicity)   of the underlying DictEntry
 * @param   name   english name
 */
DictEntry* DocEntrySet::NewVirtualDictEntry( uint16_t group, uint16_t elem,
                                             TagName const &vr,
                                             TagName const &vm,
                                             TagName const &name )
{
   return Global::GetDicts()->NewVirtualDictEntry(group,elem,vr,vm,name);
}

//-----------------------------------------------------------------------------
// Protected
/**
 * \brief   Searches [both] the public [and the shadow dictionary (when they
 *          exist)] for the presence of the DictEntry with given
 *          group and element. The public dictionary has precedence on the
 *          shadow one(s), if any.
 * @param   group  Group number of the searched DictEntry
 * @param   elem Element number of the searched DictEntry
 * @return  Corresponding DictEntry when it exists, NULL otherwise.
 */
DictEntry *DocEntrySet::GetDictEntry(uint16_t group,uint16_t elem) 
{
   DictEntry *found = 0;
   Dict *pubDict = Global::GetDicts()->GetDefaultPubDict();
   if (!pubDict) 
   {
      gdcmWarningMacro( "We SHOULD have a default dictionary");
   }
   else
   {
      found = pubDict->GetEntry(group, elem);
   }
   return found;
}

/**
 * \brief   Searches [both] the public [and the shadow dictionary (when they
 *          exist)] for the presence of the DictEntry with given
 *          group and element, and create a new virtual DictEntry if necessary
 * @param   group  group number of the searched DictEntry
 * @param   elem element number of the searched DictEntry
 * @param   vr V(alue) R(epresentation) to use, if necessary 
 * @return  Corresponding DictEntry when it exists, NULL otherwise.
 * \remarks The returned DictEntry is registered
 */
DictEntry *DocEntrySet::GetDictEntry(uint16_t group, uint16_t elem,
                                     TagName const &vr)
{
   DictEntry *dictEntry = GetDictEntry(group,elem);
   DictEntry *goodEntry = dictEntry;
   std::string goodVR = vr;
   TagName vm;
   if (elem == 0x0000)
      goodVR="UL";

   if ( goodEntry )
   {
      if ( goodVR != goodEntry->GetVR()
        && goodVR != GDCM_UNKNOWN )
      {
         gdcmWarningMacro("For (" << std::hex << group << "|"
            << elem << "), found VR : [" << vr << "]"
            << " expected: [" << goodEntry->GetVR() << "]" ) ;
         // avoid confusing further validator with "FIXME" VM
         // when possible      
         vm = dictEntry->GetVM();
         goodEntry = NULL;
      }
   }
   else
   {
      vm = "FIXME";
   }

   // Create a new virtual DictEntry if necessary
   if (!goodEntry)
   {
      if (dictEntry)
      {
         goodEntry = NewVirtualDictEntry(group, elem, goodVR, vm,
                                         dictEntry->GetName() );
      }
      else
      {
         goodEntry = NewVirtualDictEntry(group, elem, goodVR);
      }
   }
   return goodEntry;
}

//-----------------------------------------------------------------------------
// Private

//-----------------------------------------------------------------------------
// Print

//-----------------------------------------------------------------------------
} // end namespace gdcm