-// gdcmVR.cxx
-
-//This is needed when compiling in debug mode
-#ifdef _MSC_VER
-// 'identifier' : class 'type' needs to have dll-interface to be used by
-// clients of class 'type2'
-#pragma warning ( disable : 4251 )
-// 'identifier' : identifier was truncated to 'number' characters in the
-// debug information
-#pragma warning ( disable : 4786 )
-#endif //_MSC_VER
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmVR.cxx,v $
+ Language: C++
+ Date: $Date: 2008/02/13 11:42:13 $
+ Version: $Revision: 1.63 $
+
+ 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(void) {
- 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
+#include <fstream>
+#include <iostream>
+#include <string.h>
+
+namespace GDCM_NAME_SPACE
+{
+//-----------------------------------------------------------------------------
+/// \brief auto generated function, to fill up the 'Value Representation'
+/// Dictionnary, if relevant file is not found on user's disk
+void FillDefaultVRDict(VRHT &vr);
+
+//-----------------------------------------------------------------------------
+// Constructor / Destructor
+/**
+ * \brief Constructor
+ */
+VR::VR()
+{
+ std::string filename = DictSet::BuildDictPath() + DICT_VR;
+ std::ifstream from(filename.c_str());
+ if ( !from )
+ {
+ gdcmWarningMacro("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, ' ');
+ if( strcmp(buff,"") == 0)
+ continue;
+
+ key = buff;
+ from >> std::ws;
+ from.getline(buff, 1024, ';');
+ name = buff;
+
+ from >> std::ws;
+ from.getline(buff, 1024, '\n');
+
+ vr[key] = name;
+ }
+ from.close();
+ }
}
-gdcmVR::~gdcmVR() {
+/**
+ * \brief Destructor
+ */
+VR::~VR()
+{
vr.clear();
}
-int gdcmVR::Count(VRKey key) {
- return vr.count(key);
+//-----------------------------------------------------------------------------
+// Public
+
+/**
+ * \brief Simple predicate that checks whether the given argument
+ * corresponds to the Value Representation of a DataEntry .
+ * @param tested value representation to check for.
+ */
+bool VR::IsVROfBinaryRepresentable(VRKey const &tested)
+{
+ if ( IsVROfStringRepresentable(tested) )
+ return false;
+
+ if ( IsVROfSequence(tested) )
+ return false;
+
+ return true;
+}
+
+/**
+ * \brief Simple predicate that checks whether the given argument
+ * corresponds to the Value Representation of a
+ * 'std::string representable' value.
+ * @param tested value representation to be checked.
+ */
+bool VR::IsVROfStringRepresentable(VRKey const &tested)
+{
+ return tested == "AE" ||
+ tested == "AS" ||
+ tested == "CS" ||
+ tested == "DA" ||
+ tested == "DS" ||
+ tested == "DT" ||
+ tested == "FL" ||
+ tested == "FD" ||
+ tested == "IS" ||
+ tested == "LO" ||
+ tested == "LT" ||
+ tested == "PN" ||
+ tested == "SH" ||
+ tested == "SL" ||
+ tested == "SS" ||
+ tested == "ST" ||
+ tested == "TM" ||
+ tested == "UI" ||
+ tested == "UL" ||
+ tested == "US" ||
+ tested == "UT";
+
+ // Should be quicker
+ // --> will *never* work : any rotten value would be considered as OK !
+/*
+ return tested != "OB" &&
+ tested != "OW" &&
+ tested != "OF" &&
+ tested != "AT" && // Attribute Tag ?!? contain no printable character
+ tested != "UN" && // UN is an actual VR !
+ tested != "SQ" ;
+*/
+}
+/// \brief returns the length of a elementary elem whose VR is passed
+unsigned short VR::GetAtomicElementLength(VRKey const &tested)
+{
+ // Unsigned & signed short
+ if( tested == "US" || tested == "SS" )
+ return 2;
+ // Unsigned & signed long
+ if( tested == "UL" || tested == "SL" )
+ return 4;
+ // Float
+ if( tested == "FL" )
+ return 4;
+ // Double
+ if( tested == "FD" )
+ return 8;
+ // Word string
+ if( tested == "OW" )
+ return 2;
+ // Float string
+ if( tested == "OF" || tested == "OL")
+ return 4;
+ return 1;
}
+
+// VS6 need a single implementation in the dll
+#if defined(_MSC_VER) && (_MSC_VER == 1200)
+/// \brief checks is a supposed-to-be VR is a 'legal' one.
+bool VR::IsValidVR(VRKey const &key)
+{
+ return vr.find(key) != vr.end();
+#ifdef USECOMPLETELYUNTESTEDCODE
+ // to avoid to search in a std::map of std::string,
+ // since each std::string is 2 characters longs, we check the array
+ // (29 char comparisons in the worst case!)
+
+ // "RT" is an undocumented VR, found in some Siemens images.
+ // We added it here to be able to read these images.
+ // Dict/gdcmVR.dic, Document has to be updated, too.
+ static const char VRvalues[] =
+ "AEASATCSDADSDTFLFDISLOLTOBOWOLOFPNSHSLSQSSSTTMUIULUNUSUTRT";
+
+ //int nbVal = strlen(VRvalues)/2; // save CPU time.
+ int nbVal = 29;
+
+ const char *pt = VRvalues;
+ for (int i=0;i<nbVal;i++)
+ {
+ if(key[0] == *pt++) {
+ if(key[1] == *pt++) {
+ return true;
+ }
+ }
+ else {
+ pt++;
+ }
+ }
+ return false;
+#endif
+
+}
+#endif
+
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
+// Print
+/**
+ * \brief Print all
+ * @param os The output stream to be written to.
+ */
+void VR::Print(std::ostream &os,std::string const &)
+{
+ for (VRHT::iterator it = vr.begin(); it != vr.end(); ++it)
+ {
+ os << "VR : " << it->first << " = " << it->second << std::endl;
+ }
+}
+
+//-----------------------------------------------------------------------------
+} // end namespace gdcm
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff