X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;ds=sidebyside;f=src%2FgdcmElementSet.cxx;h=317c108f9b6df7f08104eaf262e6ee1e5e65866f;hb=70a3a0f95bf2240a6ef4b1d6523c0e6614437304;hp=8f81f255171b9690be8340ec7db9813e298200d9;hpb=a891240601e102b6b07ce593d9b9b28948149e72;p=gdcm.git diff --git a/src/gdcmElementSet.cxx b/src/gdcmElementSet.cxx index 8f81f255..317c108f 100644 --- a/src/gdcmElementSet.cxx +++ b/src/gdcmElementSet.cxx @@ -3,8 +3,8 @@ Program: gdcm Module: $RCSfile: gdcmElementSet.cxx,v $ Language: C++ - Date: $Date: 2005/01/18 14:28:32 $ - Version: $Revision: 1.45 $ + 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 @@ -69,9 +69,8 @@ void ElementSet::Print(std::ostream &os, std::string const & ) entry->SetPrintLevel(PrintLevel); entry->Print(os); - if ( /*SeqEntry *seqEntry = */dynamic_cast(entry) ) + if ( dynamic_cast(entry) ) { - //(void)seqEntry; // Avoid the newline for a sequence: continue; } @@ -97,9 +96,131 @@ 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(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(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(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 @@ -187,5 +308,34 @@ DocEntry *ElementSet::GetNextEntry() 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