00001 //# Register.h: Register virtual column engine to return derived MS values 00002 //# Copyright (C) 2010 00003 //# Associated Universities, Inc. Washington DC, USA. 00004 //# 00005 //# This library is free software; you can redistribute it and/or modify it 00006 //# under the terms of the GNU Library General Public License as published by 00007 //# the Free Software Foundation; either version 2 of the License, or (at your 00008 //# option) any later version. 00009 //# 00010 //# This library is distributed in the hope that it will be useful, but WITHOUT 00011 //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public 00013 //# License for more details. 00014 //# 00015 //# You should have received a copy of the GNU Library General Public License 00016 //# along with this library; if not, write to the Free Software Foundation, 00017 //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA. 00018 //# 00019 //# Correspondence concerning AIPS++ should be addressed as follows: 00020 //# Internet email: aips2-request@nrao.edu. 00021 //# Postal address: AIPS++ Project Office 00022 //# National Radio Astronomy Observatory 00023 //# 520 Edgemont Road 00024 //# Charlottesville, VA 22903-2475 USA 00025 //# 00026 //# $Id$ 00027 00028 #ifndef DERIVEDMSCAL_REGISTER_H 00029 #define DERIVEDMSCAL_REGISTER_H 00030 00031 #include <casacore/casa/aips.h> 00032 #include <casacore/tables/TaQL/UDFBase.h> 00033 #include <ostream> 00034 00035 // <group name=DerivedMSCal> 00036 // This function registers the DerivedMSCal virtual column engine and 00037 // the UDFMSCal UDFs. 00038 // It is called when the dynamic library derivedmscal.so/dylib is loaded. 00039 00040 extern "C" { 00041 void register_derivedmscal(); 00042 } 00043 00044 // </group> 00045 00046 00047 00048 namespace casacore { 00049 // <synopsis> 00050 // General meas function to show the available functions. 00051 // </synopsis> 00052 class HelpMsCalUDF: public UDFBase 00053 { 00054 public: 00055 // Function to create an object. 00056 static UDFBase* makeHELP (const String&); 00057 00058 // Setup the object. 00059 virtual void setup (const Table&, const TaQLStyle&); 00060 00061 // Get the value. 00062 virtual String getString (const TableExprId& id); 00063 00064 // Show the possible functions. 00065 static void showFuncsDerived (std::ostream&); 00066 static void showFuncsStokes (std::ostream&, Bool showStokes); 00067 static void showFuncsSelection (std::ostream&); 00068 static void showFuncsSubtable (std::ostream&); 00069 }; 00070 } 00071 00072 #endif