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82 lines
3.5 KiB
C
82 lines
3.5 KiB
C
/*
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* This file is part of the ttyterm project.
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* Copyright 2020 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <assert.h> // assert
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#include <stdio.h> // printf
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#include <string.h> // memcpy
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#include <usefull_macros.h>
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#include "cmdlnopts.h"
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/*
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* here are global parameters initialisation
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*/
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static int help;
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static glob_pars G;
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// DEFAULTS
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// default global parameters
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glob_pars const Gdefault = {
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.pressure = 780. // 580mmHg
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,.temperature = 5. // @5degrC
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};
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/*
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* Define command line options by filling structure:
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* name has_arg flag val type argptr help
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*/
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static myoption cmdlnopts[] = {
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// set 1 to param despite of its repeating number:
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{"help", NO_ARGS, NULL, 'h', arg_int, APTR(&help), _("show this help")},
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{"10m", NO_ARGS, NULL, 't', arg_int, APTR(&G.for10m), _("make output suitable for 10-micron mount")},
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{"header", NO_ARGS, NULL, 'H', arg_int, APTR(&G.printhdr), _("print header for output file")},
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{"raindeg", NO_ARGS, NULL, 'd', arg_int, APTR(&G.raindeg), _("RA in degrees instead of hours")},
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{"strings", NO_ARGS, NULL, 's', arg_int, APTR(&G.crdstrings),_("coordinates in string form")},
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{"ha", NO_ARGS, NULL, 0, arg_int, APTR(&G.ha), _("print HA instead of RA")},
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{"stdeg", NO_ARGS, NULL, 0, arg_int, APTR(&G.stindegr), _("sidereal time in degrees instead of hours")},
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{"delta", NO_ARGS, NULL, 'D', arg_int, APTR(&G.delta), _("show delta: apparent-encoder instead of apparent coordinates")},
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{"pressure",NEED_ARG, NULL, 'P', arg_double, APTR(&G.pressure), _("atmospheric pressure (hPa)")},
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{"pinmm", NO_ARGS, NULL, 'm', arg_int, APTR(&G.pmm), _("pressure in mmHg instead of hPa")},
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{"temperature",NEED_ARG,NULL, 'T', arg_double, APTR(&G.temperature),_("temperature, degrC")},
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{"horcoords",NO_ARGS, NULL, 'A', arg_int, APTR(&G.horcoords), _("show horizontal coordinates instead of equatorial")},
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end_option
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};
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/**
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* Parse command line options and return dynamically allocated structure
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* to global parameters
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* @param argc - copy of argc from main
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* @param argv - copy of argv from main
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* @return allocated structure with global parameters
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*/
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glob_pars *parse_args(int argc, char **argv){
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void *ptr = memcpy(&G, &Gdefault, sizeof(G)); assert(ptr);
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// format of help: "Usage: progname [args]\n"
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change_helpstring(_("Version: " PACKAGE_VERSION "\nUsage: %s [args] FITS_files\nMake PCS list for equatorial mount\n\tWhere args are:\n"));
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// parse arguments
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parseargs(&argc, &argv, cmdlnopts);
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if(help) showhelp(-1, cmdlnopts);
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G.nfiles = argc;
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G.infiles = MALLOC(char*, argc);
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for(int i = 0; i < argc; i++){
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G.infiles[i] = strdup(argv[i]);
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}
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return &G;
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}
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