/usr/include/casacore/ms/MSSel/MSTimeParse.h is in casacore-dev 2.2.0-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 | //# MSTimeParse.h: Classes to hold results from time grammar parser
//# Copyright (C) 1994,1995,1997,1998,1999,2000,2001,2003
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: aips2-request@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
//#
//# $Id$
#ifndef MS_MSTIMEPARSE_H
#define MS_MSTIMEPARSE_H
//# Includes
#include <casacore/casa/aips.h>
#include <casacore/ms/MSSel/MSParse.h>
#include <casacore/ms/MSSel/MSSelectableMainColumn.h>
#include <casacore/measures/Measures/MEpoch.h>
#include <casacore/ms/MSSel/MSTimeDefinitions.h>
#include <casacore/casa/Containers/Block.h>
#include <casacore/casa/Arrays/Matrix.h>
namespace casacore { //# NAMESPACE CASACORE - BEGIN
//# Forward Declarations
// <summary>
// Class to hold values from time grammar parser
// </summary>
// <use visibility=local>
// <reviewed reviewer="" date="" tests="">
// </reviewed>
// <prerequisite>
//# Classes you should understand before using this one.
// </prerequisite>
// <etymology>
// MSTimeParse is the class used to parse a time command.
// </etymology>
// <synopsis>
// MSTimeParse is used by the parser of time sub-expression statements.
// The parser is written in Bison and Flex in files MSTimeGram.y and .l.
// The statements in there use the routines in this file to act
// upon a reduced rule.
// Since multiple tables can be given (with a shorthand), the table
// names are stored in a list. The variable names can be qualified
// by the table name and will be looked up in the appropriate table.
//
// The class MSTimeParse only contains information about a table
// used in the table command. Global variables (like a list and a vector)
// are used in MSTimeParse.cc to hold further information.
//
// Global functions are used to operate on the information.
// The main function is the global function msTimeCommand.
// It executes the given STaQL command and returns the resulting ms.
// This is, in fact, the only function to be used by a user.
// </synopsis>
// <motivation>
// It is necessary to be able to give a ms command in ASCII.
// This can be used in a CLI or in the table browser to get a subset
// of a table or to sort a table.
// </motivation>
//# <todo asof="$DATE:$">
//# A List of bugs, limitations, extensions or planned refinements.
//# </todo>
class MSTimeParse : public MSParse
{
public:
// Default constructor
MSTimeParse ();
// Associate the ms and the shorthand.
MSTimeParse (const MeasurementSet* ms,const TableExprNode& otherTens,const Bool honourRowFlags=True);
MSTimeParse (const MeasurementSet* ms,const TableExprNode& colAsTEN,
MSSelectableMainColumn& msMainColInterface,
const TableExprNode& otherTEN,
const Bool honourRowFlags=True);
~MSTimeParse() {columnAsTEN_p=TableExprNode();}
// ~MSTimeParse()
// {
// if (node_p) delete node_p;node_p=0x0;
// if (otherTens_p) delete otherTens_p;otherTens_p=0x0;
// }
const TableExprNode *selectTime(const MEpoch& time,
bool daytime = false);
const TableExprNode *selectTimeGT(const MEpoch& lowboundTime,
bool daytime = false);
const TableExprNode *selectTimeLT(const MEpoch& upboundTime,
bool daytime = false);
const TableExprNode *selectTimeRange(const MEpoch& lowboundTime,
const MEpoch& upboundTime,
bool daytime = false,
Float edgeWidth=-1.0);
Matrix<Double> selectedTimes() {return timeList;}
const TableExprNode *addCondition(TableExprNode& condition);
/*
static const MEpoch *dayTimeConvert(Int day=-1, Int hour = -1,
Int minute = -1, Int second = -1,
Int millisec = -1);
*/
static void setDefaults(TimeFields& tf, Bool dataOrigin=True);
void getDefaults();
static void copyDefaults(TimeFields& target, TimeFields& source);
static const MEpoch *yearTimeConvert(Int year=-1, Int month=-1, Int day=-1,
Int hour = -1, Int minute = -1,
Int second = -1, Int millisec = -1);
static const MEpoch *yearTimeConvert(const TimeFields& tf);
// Get table expression node object.
static const TableExprNode* node();
Int year0() {return defaultYear;}
Int month0() {return defaultMonth;}
Int day0() {return defaultDay;}
Int hour0() {return defaultHour;}
Int minute0() {return defaultMinute;}
Int second0() {return defaultSeconds;}
Int fractionalsec0() {return defaultFractionalSec;}
Double defaultInteg() {return defaultExposure;}
static void validate(const TimeFields& tf);
static void reset(){timeList.resize(2,0);}
static void cleanup() {if (node_p) delete node_p;node_p=0x0;}
static TableExprNode* node_p;
//private:
static TableExprNode *otherTens_p;
static Bool defaultTimeComputed;
MVTime firstRowTime;
static MeasurementSet *ms_p;
static Double toTAIInSec(const MEpoch& time);
static MEpoch* yeartime;
static MEpoch* daytime;
Int defaultYear, defaultMonth, defaultDay,
defaultHour, defaultMinute, defaultSeconds, defaultFractionalSec;
Double defaultExposure;
const String colName;
Bool honourRowFlags_p;
static Matrix<Double> timeList;
void accumulateTimeList(const Double t0, const Double t1);
static MSTimeParse *thisMSTParser;
static TableExprNode columnAsTEN_p;
static MSSelectableMainColumn *mainColumn_p;
};
} //# NAMESPACE CASACORE - END
#endif
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