-// gdcmVR.cxx
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmVR.cxx,v $
+ Language: C++
+ Date: $Date: 2005/01/06 13:35:38 $
+ Version: $Revision: 1.25 $
+
+ 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 "gdcmVR.h"
#include "gdcmUtil.h"
+#include "gdcmDictSet.h"
+#include "gdcmDebug.h"
-gdcmVR::gdcmVR () {
- // NOTE: making the affectation directely to dicom_vr instead of passing
- // through an apparently unncessary local variable vr, crashes with
- // gcc... Beware.
- VRHT *vr = new VRHT;
- (*vr)["AE"] = "Application Entity"; // At most 16 bytes
- (*vr)["AS"] = "Age String"; // Exactly 4 bytes
- (*vr)["AT"] = "Attribute Tag"; // 2 16-bit unsigned short integers
- (*vr)["CS"] = "Code String"; // At most 16 bytes
- (*vr)["DA"] = "Date"; // Exactly 8 bytes
- (*vr)["DS"] = "Decimal String"; // At most 16 bytes
- (*vr)["DT"] = "Date Time"; // At most 26 bytes
- (*vr)["FL"] = "Floating Point Single"; // 32-bit IEEE 754:1985 float
- (*vr)["FD"] = "Floating Point Double"; // 64-bit IEEE 754:1985 double
- (*vr)["IS"] = "Integer String"; // At most 12 bytes
- (*vr)["LO"] = "Long String"; // At most 64 chars
- (*vr)["LT"] = "Long Text"; // At most 10240 chars
- (*vr)["OB"] = "Other Byte String"; // String of bytes (vr independant)
- (*vr)["OW"] = "Other Word String"; // String of 16-bit words (vr dep)
- (*vr)["PN"] = "Person Name"; // At most 64 chars
- (*vr)["SH"] = "Short String"; // At most 16 chars
- (*vr)["SL"] = "Signed Long"; // Exactly 4 bytes
- (*vr)["SQ"] = "Sequence of Items"; // Not Applicable
- (*vr)["SS"] = "Signed Short"; // Exactly 2 bytes
- (*vr)["ST"] = "Short Text"; // At most 1024 chars
- (*vr)["TM"] = "Time"; // At most 16 bytes
- (*vr)["UI"] = "Unique Identifier"; // At most 64 bytes
- (*vr)["UL"] = "Unsigned Long "; // Exactly 4 bytes
- (*vr)["UN"] = "Unknown"; // Any length of bytes
- (*vr)["US"] = "Unsigned Short "; // Exactly 2 bytes
- (*vr)["UT"] = "Unlimited Text"; // At most 2^32 -1 chars
- dicom_vr = vr;
+#include <fstream>
+#include <iostream>
+
+namespace gdcm
+{
+void FillDefaultVRDict(VRHT & vr);
+//-----------------------------------------------------------------------------
+/**
+ * \brief Constructor
+ */
+VR::VR()
+{
+ std::string filename = DictSet::BuildDictPath() + DICT_VR;
+ std::ifstream from(filename.c_str());
+ if(!from)
+ {
+ dbg.Verbose(2, "VR::VR: can't open dictionary", filename.c_str());
+ FillDefaultVRDict(vr);
+ }
+ else
+ {
+ char buff[1024];
+ VRKey key;
+ VRAtr name;
+
+ while (!from.eof())
+ {
+ from >> std::ws;
+ from.getline(buff, 1024, ' ');
+ key = buff;
+ from >> std::ws;
+ from.getline(buff, 1024, ';');
+ name = buff;
+
+ from >> std::ws;
+ from.getline(buff, 1024, '\n');
+
+ if(key != "")
+ {
+ vr[key] = name;
+ }
+ }
+ from.close();
+ }
+}
+
+//-----------------------------------------------------------------------------
+/**
+ * \brief Destructor
+ */
+VR::~VR()
+{
+ vr.clear();
+}
+
+//-----------------------------------------------------------------------------
+// Print
+/**
+ * \brief Print all
+ * @param os The output stream to be written to.
+ */
+void VR::Print(std::ostream &os)
+{
+ std::ostringstream s;
+
+ for (VRHT::iterator it = vr.begin(); it != vr.end(); ++it)
+ {
+ s << "VR : " << it->first << " = " << it->second << std::endl;
+ }
+ os << s.str();
+}
+
+//-----------------------------------------------------------------------------
+// Public
+/**
+ * \brief Get the count for an element
+ * @param key key to count
+ */
+int VR::Count(VRKey const & key)
+{
+ return vr.count(key);
+}
+
+//-----------------------------------------------------------------------------
+/**
+ * \brief Simple predicate that checks wether the given argument
+ * corresponds to the Value Representation of a \ref BinEntry .
+ * This predicate is the negation of
+ * \ref VR::IsVROfGdcmStringRepresentable .
+ * @param tested value representation to check for.
+ */
+bool VR::IsVROfGdcmBinaryRepresentable(VRKey const & tested)
+{
+ //std::cout << "VR::IsVROfGdcmBinaryRepresentable===================="
+ // << tested << std::endl;
+
+ if ( tested == GDCM_UNKNOWN)
+ return true;
+
+ if ( ! IsValidVR(tested) )
+ {
+ dbg.Verbose(0, "VR::IsVROfGdcmBinaryRepresentable: tested not a VR!");
+ return false;
+ }
+
+ if ( IsVROfGdcmStringRepresentable(tested) )
+ {
+ dbg.Verbose(0, "VR::IsVROfGdcmBinaryRepresentable: binary VR !");
+ return false;
+ }
+
+ return true;
}
-gdcmVR::~gdcmVR() {
- dicom_vr->clear();
- delete dicom_vr;
+//-----------------------------------------------------------------------------
+/**
+ * \brief Simple predicate that checks wether the given argument
+ * corresponds to the Value Representation of a \ref ValEntry
+ * but NOT a \ref BinEntry.
+ * @param tested value representation to check for.
+ */
+bool VR::IsVROfGdcmStringRepresentable(VRKey const & tested)
+{
+
+ if ( ! IsValidVR(tested) )
+ {
+ dbg.Verbose(0, "VR::IsVROfGdcmStringRepresentable: tested not a VR!");
+ return false;
+ }
+
+ if ( tested == "AE" ||
+ tested == "AS" ||
+ tested == "CS" ||
+ tested == "DA" ||
+ tested == "DS" ||
+ tested == "IS" ||
+ tested == "LO" ||
+ tested == "LT" ||
+ tested == "PN" ||
+ tested == "SH" ||
+ tested == "SL" ||
+ tested == "SS" ||
+ tested == "ST" ||
+ tested == "TM" ||
+ tested == "UI" ||
+ tested == "UL" ||
+ tested == "UN" ||
+ tested == "US" )
+ {
+ return true;
+ }
+ return false;
}
-int gdcmVR::Count(VRKey key) {
- return dicom_vr->count(key);
+bool VR::IsValidVR(VRKey const & key)
+{
+ return(vr.find(key)!=vr.end());
}
+
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
+
+} // end namespace gdcm