X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmDocEntrySet.cxx;h=fbc4764e0dd81562365854a9326319b6eb4373ec;hb=df832cf7f90b4ca5aca2f628c1756fb276779fac;hp=8f54c1bfca1cdb1e4b056ce182443b68747f8200;hpb=858bf5f07677c76676725033bca9638462666329;p=gdcm.git diff --git a/src/gdcmDocEntrySet.cxx b/src/gdcmDocEntrySet.cxx index 8f54c1bf..fbc4764e 100644 --- a/src/gdcmDocEntrySet.cxx +++ b/src/gdcmDocEntrySet.cxx @@ -1,47 +1,499 @@ -// gdcmDocEntrySet.cxx -//----------------------------------------------------------------------------- -// -#include +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmDocEntrySet.cxx,v $ + Language: C++ + Date: $Date: 2007/09/17 12:16:02 $ + Version: $Revision: 1.76 $ + + 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 "gdcmDocEntrySet.h" + #include "gdcmDebug.h" #include "gdcmCommon.h" +#include "gdcmDictSet.h" #include "gdcmGlobal.h" -#include "gdcmDocEntrySet.h" -#include "gdcmException.h" #include "gdcmDocEntry.h" #include "gdcmSeqEntry.h" -#include "gdcmValEntry.h" -#include "gdcmBinEntry.h" +#include "gdcmUtil.h" +#include "gdcmDataEntry.h" +#include "gdcmVR.h" + +#if defined(__BORLANDC__) + #include // for memset +#endif +namespace GDCM_NAME_SPACE +{ //----------------------------------------------------------------------------- // Constructor / Destructor +DocEntrySet::DocEntrySet() +{ + PreviousDocEntry = 0; +} +//----------------------------------------------------------------------------- +// Public /** - * \ingroup gdcmDocEntrySet - * \brief Constructor from a given gdcmDocEntrySet + * \brief Get the "std::string representable" value of the Dicom entry + * @param group Group number of the searched tag. + * @param elem Element number of the searched tag. + * @return Corresponding element value when it exists, + * and the string GDCM_UNFOUND otherwise. */ -gdcmDocEntrySet::gdcmDocEntrySet() { +std::string DocEntrySet::GetEntryString(uint16_t group, uint16_t elem) +{ + DataEntry *entry = dynamic_cast(GetDocEntry(group,elem)); + if ( entry ) + { + if( entry->IsNotLoaded() ) + return GDCM_NOTLOADED; + if( entry->IsUnfound() ) + return GDCM_UNFOUND; + if( entry->IsUnread() ) + return GDCM_UNREAD; + return entry->GetString(); + } + return GDCM_UNFOUND; } + /** - * \brief Canonical destructor. + * \brief Gets (from Header) a 'non string' element value + * @param group group number of the Entry + * @param elem element number of the Entry + * @return Pointer to the 'non string' area */ -gdcmDocEntrySet::~gdcmDocEntrySet(){ +void *DocEntrySet::GetEntryBinArea(uint16_t group, uint16_t elem) +{ + DataEntry *entry = GetDataEntry(group, elem); + if ( entry ) + return entry->GetBinArea(); + return 0; } -//----------------------------------------------------------------------------- -// Print -/* - * \ingroup gdcmDocEntrySet - * \brief canonical Printer + +/** + * \brief Searches within the DocEntrySet + * for the value length of a given tag.. + * @param group Group number of the searched tag. + * @param elem Element number of the searched tag. + * @return Corresponding element length; -1 if not found + */ +int DocEntrySet::GetEntryLength(uint16_t group, uint16_t elem) +{ + DocEntry *entry = GetDocEntry(group, elem); + if ( entry ) + return entry->GetLength(); + return -1; +} + +/** + * \brief Same as DocEntrySet::GetDocEntry except it returns a result + * only when the corresponding entry is of type DataEntry. + * @param group Group number of the searched Dicom Element + * @param elem Element number of the searched Dicom Element + * @return When present, the corresponding DataEntry. */ +DataEntry *DocEntrySet::GetDataEntry(uint16_t group, uint16_t elem) +{ + DocEntry *currentEntry = GetDocEntry(group, elem); + if ( !currentEntry ) + return NULL; + return dynamic_cast(currentEntry); +} -//----------------------------------------------------------------------------- -// Public +/** + * \brief Same as DocEntrySet::GetDocEntry except it returns a result + * only 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 *DocEntrySet::GetSeqEntry(uint16_t group, uint16_t elem) +{ + DocEntry *currentEntry = GetDocEntry(group, elem); + if ( !currentEntry ) + return NULL; + + return dynamic_cast(currentEntry); +} + +/** + * \brief Accesses an existing DocEntry (i.e. a Dicom Element) + * through its (group, element) and modifies its content with + * the given value. + * @param content new value (string) to substitute with + * @param group group number of the Dicom Element to modify + * @param elem element number of the Dicom Element to modify + */ +bool DocEntrySet::SetEntryString(std::string const &content, + uint16_t group, uint16_t elem) +{ + DataEntry *entry = GetDataEntry(group, elem); + if (!entry ) + { + gdcmWarningMacro( "No corresponding DataEntry " << std::hex << group << + "," << elem << " element (try promotion first)."); + return false; + } + return SetEntryString(content,entry); +} + +/** + * \brief Accesses an existing DocEntry (i.e. a Dicom Element) + * through its (group, element) and modifies its content with + * the given value. + * @param content new value (void* -> uint8_t*) to substitute with + * @param lgth new value length + * @param group group number of the Dicom Element to modify + * @param elem element number of the Dicom Element to modify + */ +bool DocEntrySet::SetEntryBinArea(uint8_t *content, int lgth, + uint16_t group, uint16_t elem) +{ + DataEntry *entry = GetDataEntry(group, elem); + if (!entry ) + { + gdcmWarningMacro( "No corresponding DataEntry " << std::hex << group << + "," << elem << " element (try promotion first)."); + return false; + } + + return SetEntryBinArea(content,lgth,entry); +} + +/** + * \brief Accesses an existing DocEntry (i.e. a Dicom Element) + * and modifies its content with the given value. + * @param content new value (string) to substitute with + * @param entry Entry to be modified + */ +bool DocEntrySet::SetEntryString(std::string const &content, DataEntry *entry) +{ + if (entry) + { + entry->SetString(content); + return true; + } + return false; +} + +/** + * \brief Accesses an existing DataEntry (i.e. a Dicom Element) + * and modifies its content with the given value. + * @param content new value (void* -> uint8_t*) to substitute with + * @param entry Entry to be modified + * @param lgth new value length + */ +bool DocEntrySet::SetEntryBinArea(uint8_t *content, int lgth, DataEntry *entry) +{ + if (entry) + { + entry->SetLength(lgth); + entry->SetBinArea(content); + return true; + } + return false; +} + +/** + * \brief Modifies the value of a given Doc Entry (Dicom Element) + * when it exists. Creates it with the given value when unexistant. + * @param value (string) Value to be 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). + */ +DataEntry *DocEntrySet::InsertEntryString(std::string const &value, + uint16_t group, uint16_t elem, + VRKey const &vr ) +{ + DataEntry *dataEntry = 0; + DocEntry *currentEntry = GetDocEntry( group, elem ); + VRKey localVR = vr; + if (currentEntry) + { + dataEntry = dynamic_cast(currentEntry); + + // Verify the VR + if ( dataEntry ) + if ( dataEntry->GetVR()!=vr ) + dataEntry = NULL; + + // if currentEntry doesn't correspond to the requested dataEntry + if ( !dataEntry) + { + if ( !RemoveEntry(currentEntry) ) + { + gdcmWarningMacro( "Removal of previous DocEntry failed."); + return NULL; + } + } + } + + else // the 'currentEntry' was not found + { + if ( vr == GDCM_VRUNKNOWN ) // user didn't specify a VR. + // Probabely he trusts the Dicom Dict ! + { + DictEntry *e = + Global::GetDicts()->GetDefaultPubDict()->GetEntry(group, elem); + if ( e ) + { + localVR = e->GetVR(); + e->Register(); // ?? JPRx + } + } + } + + // Create a new dataEntry if necessary + if ( !dataEntry ) + { + dataEntry = NewDataEntry( group, elem, localVR ); + + if ( !AddEntry(dataEntry) ) + { + gdcmWarningMacro("AddEntry " << dataEntry->GetKey() + << " failed although this is a creation."); + dataEntry->Delete(); + return NULL; + } + dataEntry->Delete(); // ?!? JPRx + } + + // Set the dataEntry value + SetEntryString(value, dataEntry); // The std::string value + return dataEntry; +} + +/** + * \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). + */ +DataEntry *DocEntrySet::InsertEntryBinArea(uint8_t *binArea, int lgth, + uint16_t group, uint16_t elem, + VRKey const &vr ) +{ + DataEntry *dataEntry = 0; + DocEntry *currentEntry = GetDocEntry( group, elem ); + + // Verify the currentEntry + if (currentEntry) + { + dataEntry = dynamic_cast(currentEntry); + + // Verify the VR + if ( dataEntry ) + if ( dataEntry->GetVR()!=vr ) + dataEntry = NULL; + + // if currentEntry doesn't correspond to the requested dataEntry + if ( !dataEntry) + { + if ( !RemoveEntry(currentEntry) ) + { + gdcmWarningMacro( "Removal of previous DocEntry failed."); + return NULL; + } + } + } + + // Create a new dataEntry if necessary + if ( !dataEntry) + { + dataEntry = NewDataEntry(group, elem, vr); + + if ( !AddEntry(dataEntry) ) + { + gdcmWarningMacro( "AddEntry failed although this is a creation."); + dataEntry->Delete(); + return NULL; + } + dataEntry->Delete(); + } + + // Set the dataEntry value + uint8_t *tmpArea; + if ( lgth>0 && binArea ) + { + tmpArea = new uint8_t[lgth]; + memcpy(tmpArea,binArea,lgth); + } + else + { + tmpArea = 0; + } + if ( !SetEntryBinArea(tmpArea,lgth,dataEntry) ) + { + if ( tmpArea ) + { + delete[] tmpArea; + } + } + return dataEntry; +} + +/** + * \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(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 for (" + <Delete(); + return NULL; + } + seqEntry->Delete(); + } + // Remark : + // SequenceDelimitationItem will be added at the end of the SeqEntry, + // at write time + 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 DataEntry from all the low level arguments. + * @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 + * \remarks The user of this method must destroy the DataEntry when unused + */ +DataEntry *DocEntrySet::NewDataEntry(uint16_t group, uint16_t elem, + VRKey const &vr) +{ + + DataEntry *newEntry = DataEntry::New(group, elem, vr); + if (!newEntry) + { + gdcmWarningMacro( "Failed to allocate DataEntry for (" + <Unregister(); // GetDictEntry register it + if (!newEntry) + { + gdcmWarningMacro( "Failed to allocate SeqEntry for (" + < Done! + Dict *pubDict = Global::GetDicts()->GetDefaultPubDict(); + if (!pubDict) + { + gdcmWarningMacro( "We SHOULD have a default dictionary"); + } + else + { + found = pubDict->GetEntry(group, elem); + if( found ) + found->Register(); + } + return found; +} //----------------------------------------------------------------------------- // Private +//----------------------------------------------------------------------------- +// Print //----------------------------------------------------------------------------- +} // end namespace gdcm