Program: gdcm
Module: $RCSfile: gdcmElementSet.cxx,v $
Language: C++
- Date: $Date: 2005/01/18 08:01:41 $
- Version: $Revision: 1.43 $
+ Date: $Date: 2005/01/23 10:12:33 $
+ Version: $Revision: 1.48 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
* \brief Prints the Header Entries (Dicom Elements)
* from the H Table
* @param os ostream to write to
- * @return
+ * @param indent Indentation string to be prepended during printing
*/
void ElementSet::Print(std::ostream &os, std::string const & )
{
entry->SetPrintLevel(PrintLevel);
entry->Print(os);
- if ( /*SeqEntry *seqEntry = */dynamic_cast<SeqEntry*>(entry) )
+ if ( dynamic_cast<SeqEntry*>(entry) )
{
- //(void)seqEntry;
// Avoid the newline for a sequence:
continue;
}
/**
* \brief Writes the Header Entries (Dicom Elements)
* from the H Table
- * @param os ostream to write to
- * @return
+ * @param fp ofstream to write to
+ * @param filetype filetype
*/
void ElementSet::WriteContent(std::ofstream *fp, FileType filetype)
{
}
}
+/**
+ * \brief retrieves a Dicom Element using (group, element)
+ * @param group Group number of the searched Dicom Element
+ * @param elem Element number of the searched Dicom Element
+ * @return
+ */
+DocEntry *ElementSet::GetDocEntry(uint16_t group, uint16_t elem)
+{
+ TagKey key = DictEntry::TranslateToKey(group, elem);
+ if ( !TagHT.count(key))
+ {
+ return NULL;
+ }
+ return TagHT.find(key)->second;
+}
+
+/**
+ * \brief Same as \ref Document::GetDocEntry except it only
+ * returns a result when the corresponding entry is of type
+ * ValEntry.
+ * @param group Group number of the searched Dicom Element
+ * @param elem Element number of the searched Dicom Element
+ * @return When present, the corresponding ValEntry.
+ */
+ValEntry *ElementSet::GetValEntry(uint16_t group, uint16_t elem)
+{
+ DocEntry *currentEntry = GetDocEntry(group, elem);
+ if ( !currentEntry )
+ {
+ return 0;
+ }
+ if ( ValEntry *entry = dynamic_cast<ValEntry*>(currentEntry) )
+ {
+ return entry;
+ }
+ gdcmVerboseMacro( "Unfound ValEntry.");
+
+ return 0;
+}
+
+/**
+ * \brief Same as \ref Document::GetDocEntry except it only
+ * returns a result when the corresponding entry is of type
+ * BinEntry.
+ * @param group Group number of the searched Dicom Element
+ * @param elem Element number of the searched Dicom Element
+ * @return When present, the corresponding BinEntry.
+ */
+BinEntry *ElementSet::GetBinEntry(uint16_t group, uint16_t elem)
+{
+ DocEntry *currentEntry = GetDocEntry(group, elem);
+ if ( !currentEntry )
+ {
+ return 0;
+ }
+ if ( BinEntry *entry = dynamic_cast<BinEntry*>(currentEntry) )
+ {
+ return entry;
+ }
+ gdcmVerboseMacro( "Unfound BinEntry.");
+
+ return 0;
+}
+
+/**
+ * \brief Same as \ref Document::GetDocEntry except it only
+ * returns a result when the corresponding entry is of type
+ * SeqEntry.
+ * @param group Group number of the searched Dicom Element
+ * @param elem Element number of the searched Dicom Element
+ * @return When present, the corresponding SeqEntry.
+ */
+SeqEntry *ElementSet::GetSeqEntry(uint16_t group, uint16_t elem)
+{
+ DocEntry *currentEntry = GetDocEntry(group, elem);
+ if ( !currentEntry )
+ {
+ return 0;
+ }
+ if ( SeqEntry *entry = dynamic_cast<SeqEntry*>(currentEntry) )
+ {
+ return entry;
+ }
+ gdcmVerboseMacro( "Unfound SeqEntry.");
+
+ return 0;
+}
+
+
//-----------------------------------------------------------------------------
// Protected
+/**
+ * \brief Checks if a given Dicom Element exists within the H table
+ * @param group Group number of the searched Dicom Element
+ * @param elem Element number of the searched Dicom Element
+ * @return true is found
+ */
+bool ElementSet::CheckIfEntryExist(uint16_t group, uint16_t elem )
+{
+ const std::string &key = DictEntry::TranslateToKey(group, elem );
+ return TagHT.count(key) != 0;
+}
+
+/**
+ * \brief Searches within Header Entries (Dicom Elements) parsed with
+ * the public and private dictionaries
+ * for the element value representation of a given tag.
+ * @param group Group number of the searched tag.
+ * @param elem Element number of the searched tag.
+ * @return Corresponding element value representation when it exists,
+ * and the string GDCM_UNFOUND ("gdcm::Unfound") otherwise.
+ */
+std::string ElementSet::GetEntry(uint16_t group, uint16_t elem)
+{
+ TagKey key = DictEntry::TranslateToKey(group, elem);
+ if ( !TagHT.count(key))
+ {
+ return GDCM_UNFOUND;
+ }
+
+ return ((ValEntry *)TagHT.find(key)->second)->GetValue();
+}
+
+
//-----------------------------------------------------------------------------
// Private
DocEntry *ElementSet::GetFirstEntry()
{
ItTagHT = TagHT.begin();
- return ItTagHT->second;
+ if (ItTagHT != TagHT.end())
+ return ItTagHT->second;
+ return NULL;
}
/**
*/
DocEntry *ElementSet::GetNextEntry()
{
+ gdcmAssertMacro (ItTagHT != TagHT.end());
+
+ ++ItTagHT;
if (ItTagHT != TagHT.end())
- {
- DocEntry *tmp = ItTagHT->second;
- ++ItTagHT;
+ return ItTagHT->second;
+ return NULL;
+}
- return tmp;
- }
- else
- {
- return NULL;
- }
+
+/**
+ * \brief Get the larst entry while visiting the DocEntrySet
+ * \return The last DocEntry if found, otherwhise NULL
+ */
+DocEntry *ElementSet::GetLastEntry()
+{
+ ItTagHT = TagHT.end();
+ if ( ItTagHT != TagHT.begin() )
+ return ItTagHT->second;
+ return NULL;
}
+/**
+ * \brief Get the previous entry while visiting the Hash table (TagHT)
+ * \note : meaningfull only if GetFirstEntry already called
+ * \return The previous DocEntry if found, otherwhise NULL
+ */
+DocEntry *ElementSet::GetPreviousEntry()
+{
+ gdcmAssertMacro (ItTagHT != TagHT.begin());
+
+ --ItTagHT;
+ if (ItTagHT != TagHT.begin())
+ return ItTagHT->second;
+ return NULL;
+}
+
+
//-----------------------------------------------------------------------------
} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff