Program: gdcm
Module: $RCSfile: gdcmDocument.cxx,v $
Language: C++
- Date: $Date: 2005/01/06 14:49:16 $
- Version: $Revision: 1.156 $
+ Date: $Date: 2005/01/06 15:36:48 $
+ Version: $Revision: 1.157 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
* \return pointer to the modified/created Header Entry (NULL when creation
* failed).
*/
-ValEntry* Document::ReplaceOrCreateByNumber(
- std::string const & value,
- uint16_t group,
- uint16_t elem,
- TagName const & vr )
+ValEntry* Document::ReplaceOrCreateByNumber(std::string const & value,
+ uint16_t group,
+ uint16_t elem,
+ TagName const & vr )
{
ValEntry* valEntry = 0;
DocEntry* currentEntry = GetDocEntryByNumber( group, elem);
- if (!currentEntry)
+ if (currentEntry)
{
- // check if (group,element) DictEntry exists
- // if it doesn't, create an entry in DictSet::VirtualEntry
- // and use it
+ valEntry = dynamic_cast< ValEntry* >(currentEntry);
- // Find out if the tag we received is in the dictionaries:
- Dict *pubDict = Global::GetDicts()->GetDefaultPubDict();
- DictEntry* dictEntry = pubDict->GetDictEntryByNumber(group, elem);
- if (!dictEntry)
- {
- currentEntry = NewDocEntryByNumber(group, elem, vr);
- }
- else
- {
- currentEntry = NewDocEntryByNumber(group, elem);
- }
+ // Verify the VR
+ if( valEntry )
+ if( valEntry->GetVR()!=vr )
+ valEntry=NULL;
- if (!currentEntry)
+ // if currentEntry doesn't correspond to the requested valEntry
+ if( !valEntry)
{
- dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: call to"
- " NewDocEntryByNumber failed.");
- return NULL;
+ if (!RemoveEntry(currentEntry))
+ {
+ dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: removal"
+ " of previous DocEntry failed.");
+
+ return NULL;
+ }
}
+ }
- valEntry = new ValEntry(currentEntry);
- delete currentEntry;
+ // Create a new valEntry if necessary
+ if (!valEntry)
+ {
+ valEntry = NewValEntryByNumber(group, elem, vr);
if ( !AddEntry(valEntry))
{
- delete valEntry;
dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: AddEntry"
" failed allthough this is a creation.");
+
+ delete valEntry;
return NULL;
}
}
- else
- {
- valEntry = dynamic_cast< ValEntry* >(currentEntry);
- if ( !valEntry ) // Euuuuh? It wasn't a ValEntry
- // then we change it to a ValEntry ?
- // Shouldn't it be considered as an error ?
- {
- // We need to promote the DocEntry to a ValEntry:
- valEntry = new ValEntry(currentEntry);
- if (!RemoveEntry(currentEntry))
- {
- delete valEntry;
- dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: removal"
- " of previous DocEntry failed.");
- return NULL;
- }
- if ( !AddEntry(valEntry))
- {
- delete valEntry;
- dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: adding"
- " promoted ValEntry failed.");
- return NULL;
- }
- }
- }
-
- SetEntryByNumber(value, group, elem);
+ // Set the binEntry value
+ SetEntry(value, valEntry);
return valEntry;
}
* \return pointer to the modified/created Header Entry (NULL when creation
* failed).
*/
-BinEntry* Document::ReplaceOrCreateByNumber(
- uint8_t* binArea,
- int lgth,
- uint16_t group,
- uint16_t elem,
- TagName const & vr )
+BinEntry* Document::ReplaceOrCreateByNumber(uint8_t* binArea,
+ int lgth,
+ uint16_t group,
+ uint16_t elem,
+ TagName const & vr )
{
BinEntry* binEntry = 0;
DocEntry* currentEntry = GetDocEntryByNumber( group, elem);
- if (!currentEntry)
- {
-
- // check if (group,element) DictEntry exists
- // if it doesn't, create an entry in DictSet::VirtualEntry
- // and use it
-
- // Find out if the tag we received is in the dictionaries:
- Dict *pubDict = Global::GetDicts()->GetDefaultPubDict();
- DictEntry *dictEntry = pubDict->GetDictEntryByNumber(group, elem);
- if (!dictEntry)
- {
- currentEntry = NewDocEntryByNumber(group, elem, vr);
- }
- else
- {
- currentEntry = NewDocEntryByNumber(group, elem);
- }
- if (!currentEntry)
- {
- dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: call to"
- " NewDocEntryByNumber failed.");
- return NULL;
- }
- binEntry = new BinEntry(currentEntry);
- if ( !AddEntry(binEntry))
- {
- dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: AddEntry"
- " failed allthough this is a creation.");
- }
- delete currentEntry;
- }
- else
+ // Verify the currentEntry
+ if (currentEntry)
{
binEntry = dynamic_cast< BinEntry* >(currentEntry);
- if ( !binEntry ) // Euuuuh? It wasn't a BinEntry
- // then we change it to a BinEntry ?
- // Shouldn't it be considered as an error ?
+
+ // Verify the VR
+ if( binEntry )
+ if( binEntry->GetVR()!=vr )
+ binEntry=NULL;
+
+ // if currentEntry doesn't correspond to the requested valEntry
+ if( !binEntry)
{
- // We need to promote the DocEntry to a BinEntry:
- binEntry = new BinEntry(currentEntry);
if (!RemoveEntry(currentEntry))
{
dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: removal"
" of previous DocEntry failed.");
+
return NULL;
}
- if ( !AddEntry(binEntry))
- {
- dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: adding"
- " promoted BinEntry failed.");
- return NULL;
- }
}
}
+ // Create a new binEntry if necessary
+ if (!binEntry)
+ {
+ binEntry = NewBinEntryByNumber(group, elem, vr);
+
+ if ( !AddEntry(binEntry))
+ {
+ dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: AddEntry"
+ " failed allthough this is a creation.");
+
+ delete binEntry;
+ return NULL;
+ }
+ }
+
+ // Set the binEntry value
uint8_t *tmpArea;
if (lgth>0 && binArea)
{
{
tmpArea = 0;
}
- if (!SetEntryByNumber(tmpArea, lgth, group, elem))
+ if (!SetEntry(tmpArea,lgth,binEntry))
{
if (tmpArea)
{
return binEntry;
}
-
/*
* \brief Modifies the value of a given Header Entry (Dicom Element)
* when it exists. Create it when unexistant.
*/
SeqEntry* Document::ReplaceOrCreateByNumber( uint16_t group, uint16_t elem)
{
- SeqEntry* b = 0;
- DocEntry* a = GetDocEntryByNumber( group, elem);
- if (!a)
+ SeqEntry* seqEntry = 0;
+ DocEntry* currentEntry = GetDocEntryByNumber( group, elem);
+
+ // Verify the currentEntry
+ if (currentEntry)
{
- a = NewSeqEntryByNumber(group, elem);
- if (!a)
+ seqEntry = dynamic_cast< SeqEntry* >(currentEntry);
+
+ // Verify the VR
+ if( seqEntry )
+ if( seqEntry->GetVR()!="SQ" )
+ seqEntry=NULL;
+
+ // if currentEntry doesn't correspond to the requested valEntry
+ if( !seqEntry)
{
- return 0;
+ if (!RemoveEntry(currentEntry))
+ {
+ dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: removal"
+ " of previous DocEntry failed.");
+
+ return NULL;
+ }
}
+ }
- b = new SeqEntry(a, 1); // FIXME : 1 (Depth)
- AddEntry(b);
- }
- return b;
+ // Create a new seqEntry if necessary
+ if (!seqEntry)
+ {
+ seqEntry = NewSeqEntryByNumber(group, elem);
+
+ if ( !AddEntry(seqEntry))
+ {
+ dbg.Verbose(0, "Document::ReplaceOrCreateByNumber: AddEntry"
+ " failed allthough this is a creation.");
+
+ delete seqEntry;
+ return NULL;
+ }
+ }
+
+ return seqEntry;
}
/**
bool Document::SetEntryByNumber(std::string const& content,
uint16_t group, uint16_t element)
{
- ValEntry* valEntry = GetValEntryByNumber(group, element);
- if (!valEntry )
+ ValEntry* entry = GetValEntryByNumber(group, element);
+ if (!entry )
{
dbg.Verbose(0, "Document::SetEntryByNumber: no corresponding",
" ValEntry (try promotion first).");
return false;
}
- // Non even content must be padded with a space (020H)...
- valEntry->SetValue(content);
- return true;
+ return SetEntry(content,entry);
}
/**
bool Document::SetEntryByNumber(uint8_t*content, int lgth,
uint16_t group, uint16_t element)
{
- (void)lgth; //not used
- TagKey key = DictEntry::TranslateToKey(group, element);
- if ( !TagHT.count(key))
+ BinEntry* entry = GetBinEntryByNumber(group, element);
+ if (!entry )
{
+ dbg.Verbose(0, "Document::SetEntryByNumber: no corresponding",
+ " ValEntry (try promotion first).");
return false;
}
-/* Hope Binary field length is *never* wrong
- if(lgth%2) // Non even length are padded with a space (020H).
- {
- lgth++;
- //content = content + '\0'; // fing a trick to enlarge a binary field?
+ return SetEntry(content,lgth,entry);
+}
+
+/**
+ * \brief Accesses an existing DocEntry (i.e. a Dicom Element)
+ * and modifies it's content with the given value.
+ * @param content new value (string) to substitute with
+ */
+bool Document::SetEntry(std::string const & content,ValEntry* entry)
+{
+ if(entry)
+ {
+ entry->SetValue(content);
+ return true;
}
-*/
- BinEntry* entry = (BinEntry *)TagHT[key];
- entry->SetBinArea(content);
- entry->SetLength(lgth);
- entry->SetValue(GDCM_BINLOADED);
+ return false;
+}
- return true;
-}
+/**
+ * \brief Accesses an existing BinEntry (i.e. a Dicom Element)
+ * and modifies it's content with the given value.
+ * @param content new value (void* -> uint8_t*) to substitute with
+ * @param lgth new value length
+ */
+bool Document::SetEntry(uint8_t* content, int lgth,BinEntry* entry)
+{
+ if(entry)
+ {
+ // Hope Binary field length is *never* wrong
+ /*if(lgth%2) // Non even length are padded with a space (020H).
+ {
+ lgth++;
+ //content = content + '\0'; // fing a trick to enlarge a binary field?
+ }*/
+
+ entry->SetBinArea(content);
+ entry->SetLength(lgth);
+ entry->SetValue(GDCM_BINLOADED);
+ return true;
+ }
+ return false;
+}
/**
* \brief Gets (from Header) a 'non string' element value
{
return 0;
}
- if ( ValEntry* valEntry = dynamic_cast<ValEntry*>(currentEntry) )
+ if ( ValEntry* entry = dynamic_cast<ValEntry*>(currentEntry) )
{
- return valEntry;
+ return entry;
}
dbg.Verbose(0, "Document::GetValEntryByNumber: unfound ValEntry.");
return 0;
}
+/**
+ * \brief Same as \ref Document::GetDocEntryByNumber except it only
+ * returns a result when the corresponding entry is of type
+ * BinEntry.
+ * @return When present, the corresponding BinEntry.
+ */
+BinEntry* Document::GetBinEntryByNumber(uint16_t group, uint16_t element)
+{
+ DocEntry* currentEntry = GetDocEntryByNumber(group, element);
+ if ( !currentEntry )
+ {
+ return 0;
+ }
+ if ( BinEntry* entry = dynamic_cast<BinEntry*>(currentEntry) )
+ {
+ return entry;
+ }
+ dbg.Verbose(0, "Document::GetBinEntryByNumber: unfound BinEntry.");
+
+ return 0;
+}
+
/**
* \brief Loads the element while preserving the current
* underlying file position indicator as opposed to