Program: gdcm
Module: $RCSfile: gdcmDocEntrySet.cxx,v $
Language: C++
- Date: $Date: 2005/01/20 11:39:49 $
- Version: $Revision: 1.42 $
+ Date: $Date: 2005/02/02 16:18:48 $
+ Version: $Revision: 1.52 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include "gdcmCommon.h"
#include "gdcmDictSet.h"
#include "gdcmGlobal.h"
-#include "gdcmException.h"
#include "gdcmDocEntry.h"
#include "gdcmSeqEntry.h"
#include "gdcmValEntry.h"
namespace gdcm
{
+//-----------------------------------------------------------------------------
+// Constructor / Destructor
//-----------------------------------------------------------------------------
// Public
+/**
+ * \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 ("gdcm::Unfound") otherwise.
+ */
+std::string DocEntrySet::GetEntryValue(uint16_t group, uint16_t elem)
+{
+ ContentEntry *entry = dynamic_cast<ContentEntry *>(GetDocEntry(group,elem));
+ if( entry )
+ return entry->GetValue();
+ return GDCM_UNFOUND;
+}
+/**
+ * \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
+ */
+void *DocEntrySet::GetEntryBinArea(uint16_t group, uint16_t elem)
+{
+ BinEntry *entry = GetBinEntry(group, elem);
+ if( entry )
+ return entry->GetBinArea();
+ return 0;
+}
/**
- * \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 VR (Value Representation) of the underlying DictEntry
- * @param vm VM (Value Multiplicity) of the underlying DictEntry
- * @param name english name
+ * \brief Searches within Header Entries (Dicom Elements) parsed with
+ * the public and private dictionaries
+ * 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; -2 if not found
*/
-DictEntry* DocEntrySet::NewVirtualDictEntry( uint16_t group,uint16_t elem,
- TagName const & vr,
- TagName const & vm,
- TagName const & name )
+int DocEntrySet::GetEntryLength(uint16_t group, uint16_t elem)
{
- return Global::GetDicts()->NewVirtualDictEntry(group,elem,vr,vm,name);
+ DocEntry *entry = GetDocEntry(group, elem);
+ if( entry )
+ return entry->GetLength();
+ return -1;
+}
+
+/**
+ * \brief Searches within Header Entries (Dicom Elements) parsed with
+ * the public [and private dictionaries]
+ * for the element value representation of a given tag..
+ * Obtaining the VR (Value Representation) might be needed by caller
+ * to convert the string typed content to caller's native type
+ * (think of C++ vs Python). The VR is actually of a higher level
+ * of semantics than just the native C++ type.
+ * @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 DocEntrySet::GetEntryVR(uint16_t group, uint16_t elem)
+{
+ DocEntry *entry = GetDocEntry(group, elem);
+ if( entry )
+ return entry->GetVR();
+ return GDCM_UNFOUND;
+}
+
+/**
+ * \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 *DocEntrySet::GetValEntry(uint16_t group, uint16_t elem)
+{
+ DocEntry *currentEntry = GetDocEntry(group, elem);
+ if ( !currentEntry )
+ return NULL;
+
+ return dynamic_cast<ValEntry*>(currentEntry);
+}
+
+/**
+ * \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 *DocEntrySet::GetBinEntry(uint16_t group, uint16_t elem)
+{
+ DocEntry *currentEntry = GetDocEntry(group, elem);
+ if ( !currentEntry )
+ {
+ gdcmVerboseMacro( "No corresponding BinEntry " << std::hex << group <<
+ "," << elem);
+ return NULL;
+ }
+
+ return dynamic_cast<BinEntry*>(currentEntry);
+}
+
+/**
+ * \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 *DocEntrySet::GetSeqEntry(uint16_t group, uint16_t elem)
+{
+ DocEntry *currentEntry = GetDocEntry(group, elem);
+ if ( !currentEntry )
+ {
+ gdcmVerboseMacro( "No corresponding SeqEntry " << std::hex << group <<
+ "," << elem);
+ return NULL;
+ }
+
+ return dynamic_cast<SeqEntry*>(currentEntry);
+}
+
+/**
+ * \brief Accesses an existing DocEntry (i.e. a Dicom Element)
+ * through it's (group, element) and modifies it's 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::SetValEntry(std::string const &content,
+ uint16_t group, uint16_t elem)
+{
+ ValEntry *entry = GetValEntry(group, elem);
+ if (!entry )
+ {
+ gdcmVerboseMacro( "No corresponding ValEntry " << std::hex << group <<
+ "," << elem << " element (try promotion first).");
+ return false;
+ }
+ return SetValEntry(content,entry);
+}
+
+/**
+ * \brief Accesses an existing DocEntry (i.e. a Dicom Element)
+ * through it's (group, 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
+ * @param group group number of the Dicom Element to modify
+ * @param elem element number of the Dicom Element to modify
+ */
+bool DocEntrySet::SetBinEntry(uint8_t *content, int lgth,
+ uint16_t group, uint16_t elem)
+{
+ BinEntry *entry = GetBinEntry(group, elem);
+ if (!entry )
+ {
+ gdcmVerboseMacro( "No corresponding ValEntry " << std::hex << group <<
+ "," << elem << " element (try promotion first).");
+ return false;
+ }
+
+ return SetBinEntry(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
+ * @param entry Entry to be modified
+ */
+bool DocEntrySet::SetValEntry(std::string const &content, ValEntry *entry)
+{
+ if(entry)
+ {
+ entry->SetValue(content);
+ return true;
+ }
+ return false;
+}
+
+/**
+ * \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 entry Entry to be modified
+ * @param lgth new value length
+ */
+bool DocEntrySet::SetBinEntry(uint8_t *content, int lgth, BinEntry *entry)
+{
+ if(entry)
+ {
+ entry->SetBinArea(content);
+ entry->SetLength(lgth);
+ entry->SetValue(GDCM_BINLOADED);
+ return true;
+ }
+ return false;
+}
+
+/**
+ * \brief Modifies the value of a given Doc Entry (Dicom Element)
+ * when it exists. Create 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).
+ */
+ValEntry *DocEntrySet::InsertValEntry(std::string const &value,
+ uint16_t group, uint16_t elem,
+ TagName const &vr )
+{
+ ValEntry *valEntry = 0;
+ DocEntry *currentEntry = GetDocEntry( group, elem);
+
+ if (currentEntry)
+ {
+ valEntry = dynamic_cast<ValEntry *>(currentEntry);
+
+ // Verify the VR
+ if( valEntry )
+ if( valEntry->GetVR()!=vr )
+ valEntry = NULL;
+
+ // if currentEntry doesn't correspond to the requested valEntry
+ if( !valEntry)
+ {
+ if( !RemoveEntry(currentEntry) )
+ {
+ gdcmVerboseMacro( "Removal of previous DocEntry failed.");
+
+ return NULL;
+ }
+ }
+ }
+
+ // Create a new valEntry if necessary
+ if( !valEntry )
+ {
+ valEntry = NewValEntry(group, elem, vr);
+
+ if ( !AddEntry(valEntry) )
+ {
+ gdcmVerboseMacro("AddEntry failed although this is a creation.");
+
+ delete valEntry;
+ 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 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) )
+ {
+ gdcmVerboseMacro( "Removal of previous DocEntry failed.");
+
+ return NULL;
+ }
+ }
+ }
+
+ // Create a new binEntry if necessary
+ if( !binEntry)
+ {
+ binEntry = NewBinEntry(group, elem, vr);
+
+ if ( !AddEntry(binEntry) )
+ {
+ gdcmVerboseMacro( "AddEntry failed allthough 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 Modifies the value of a given Header Entry (Dicom Element)
+ * when it exists. Creates it when unexistant.
+ * @param group Group number of the Entry
+ * @param elem Element number of the Entry
+ * \return pointer to the modified/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 )
+ if( seqEntry->GetVR()!="SQ" )
+ seqEntry = NULL;
+
+ // if currentEntry doesn't correspond to the requested valEntry
+ if( !seqEntry )
+ {
+ if (!RemoveEntry(currentEntry))
+ {
+ gdcmVerboseMacro( "Removal of previous DocEntry failed.");
+
+ return NULL;
+ }
+ }
+ }
+ // Create a new seqEntry if necessary
+ if( !seqEntry )
+ {
+ seqEntry = NewSeqEntry(group, elem);
+
+ if( !AddEntry(seqEntry) )
+ {
+ gdcmVerboseMacro( "AddEntry failed allthough this is a creation.");
+
+ delete seqEntry;
+ return NULL;
+ }
+ }
+ return seqEntry;
+}
+
+/**
+ * \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 DocEntrySet::CheckIfEntryExist(uint16_t group, uint16_t elem )
+{
+ return GetDocEntry(group,elem)!=NULL;
}
-//-----------------------------------------------------------------------------
-// Protected
/**
* \brief Build a new Val Entry from all the low level arguments.
* Check for existence of dictionary entry, and build
* @param elem element number of the new Entry
* @param vr VR of the new Entry
*/
-BinEntry *DocEntrySet::NewBinEntry(uint16_t group,uint16_t elem,
- TagName const & vr)
+BinEntry *DocEntrySet::NewBinEntry(uint16_t group, uint16_t elem,
+ TagName const &vr)
{
DictEntry *dictEntry = GetDictEntry(group, elem, vr);
gdcmAssertMacro(dictEntry);
* @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)
+SeqEntry* DocEntrySet::NewSeqEntry(uint16_t group, uint16_t elem)
{
DictEntry *dictEntry = GetDictEntry(group, elem, "SQ");
gdcmAssertMacro(dictEntry);
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 VR (Value Representation) of the underlying DictEntry
+ * @param vm VM (Value Multiplicity) 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.
- * @param group group number of the searched DictEntry
+ * @param group group number of the searched DictEntry
* @param elem element number of the searched DictEntry
* @return Corresponding DictEntry when it exists, NULL otherwise.
*/
}
else
{
- found = pubDict->GetDictEntry(group, elem);
+ 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
+ * \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 group group number of the searched DictEntry
* @param elem element number of the searched DictEntry
* @param vr Value Representation to use, if necessary
* @return Corresponding DictEntry when it exists, NULL otherwise.
*/
DictEntry *DocEntrySet::GetDictEntry(uint16_t group, uint16_t elem,
- TagName const & vr)
+ TagName const &vr)
{
DictEntry *dictEntry = GetDictEntry(group,elem);
DictEntry *goodEntry = dictEntry;
goodEntry = NewVirtualDictEntry(group, elem, goodVR);
}
}
-
return goodEntry;
}
//-----------------------------------------------------------------------------
// Private
-} // end namespace gdcm
+//-----------------------------------------------------------------------------
+// Print
//-----------------------------------------------------------------------------
+} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff