mirror of
https://github.com/eddyem/eddys_snippets.git
synced 2025-12-06 02:35:12 +03:00
124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
/*
|
|
* cmdlnopts.c - the only function that parce cmdln args and returns glob parameters
|
|
*
|
|
* Copyright 2013 Edward V. Emelianoff <eddy@sao.ru>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
* MA 02110-1301, USA.
|
|
*/
|
|
#include "cmdlnopts.h"
|
|
|
|
/*
|
|
* here are global parameters initialisation
|
|
*/
|
|
|
|
/*
|
|
* Define command line options by filling structure:
|
|
* name has_arg flag val type argptr help
|
|
*/
|
|
myoption cmdlnopts[] = {
|
|
{"help", 0, NULL, 'h', arg_int, APTR(&help), N_("show this help")},
|
|
// ...
|
|
end_option
|
|
};
|
|
|
|
|
|
/**
|
|
* Parse string of suboptions (--option=name1=var1:name2=var2... or -O name1=var1,name2=var2...)
|
|
* Suboptions could be divided by colon or comma
|
|
*
|
|
* !!NAMES OF SUBOPTIONS ARE CASE-UNSENSITIVE!!!
|
|
*
|
|
* @param arg (i) - string with description
|
|
* @param V (io) - pointer to suboptions array (result will be stored in sopts->val)
|
|
* @return TRUE if success
|
|
*/
|
|
bool get_suboptions(void *arg, suboptions *V){
|
|
char *tok, *val, *par;
|
|
int i;
|
|
tok = strtok(arg, ":,");
|
|
do{
|
|
if((val = strchr(tok, '=')) == NULL){ // wrong format
|
|
WARNX(_("Wrong format: no value for keyword"));
|
|
return FALSE;
|
|
}
|
|
*val++ = '\0';
|
|
par = tok;
|
|
for(i = 0; V[i].val; i++){
|
|
if(strcasecmp(par, V[i].par) == 0){ // found parameter
|
|
if(V[i].isdegr){ // DMS
|
|
if(!get_radians(V[i].val, val)) // wrong angle
|
|
return FALSE;
|
|
DBG("Angle: %g rad\n", *(V[i].val));
|
|
}else{ // simple float
|
|
if(!myatof(V[i].val, val)) // wrong number
|
|
return FALSE;
|
|
DBG("Float val: %g\n", *(V[i].val));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if(!V[i].val){ // nothing found - wrong format
|
|
WARNX(_("Bad keyword!"));
|
|
return FALSE;
|
|
}
|
|
}while((tok = strtok(NULL, ":,")));
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* functions of subargs parcing can looks as this
|
|
*/
|
|
bool get_mir_par(void *arg, int N _U_){
|
|
suboptions V[] = { // array of mirror parameters and string keys for cmdln pars
|
|
{&M.D, "diam", FALSE},
|
|
{&M.F, "foc", FALSE},
|
|
{&M.Zincl, "zincl", TRUE},
|
|
{&M.Aincl, "aincl", TRUE},
|
|
{&M.objA, "aobj", TRUE},
|
|
{&M.objZ, "zobj", TRUE},
|
|
{&M.foc, "ccd", FALSE},
|
|
{0,0,0}
|
|
};
|
|
return get_suboptions(arg, V);
|
|
}
|
|
|
|
/**
|
|
* Parce command line options and return dynamically allocated structure
|
|
* to global parameters
|
|
* @param argc - copy of argc from main
|
|
* @param argv - copy of argv from main
|
|
* @return allocated structure with global parameters
|
|
*/
|
|
glob_pars *parce_args(int argc, char **argv){
|
|
int i;
|
|
void *ptr;
|
|
ptr = memcpy(&G, &Gdefault, sizeof(G)); assert(ptr);
|
|
ptr = memcpy(&M, &Mdefault, sizeof(M)); assert(ptr);
|
|
G.Mirror = &M;
|
|
// format of help: "Usage: progname [args]\n"
|
|
change_helpstring("Usage: %s [args]\n\n\tWhere args are:\n");
|
|
// parse arguments
|
|
parceargs(&argc, &argv, cmdlnopts);
|
|
if(help) showhelp(-1, cmdlnopts);
|
|
if(argc > 0){
|
|
printf("\nIgnore argument[s]:\n");
|
|
for (i = 0; i < argc; i++)
|
|
printf("\t%s\n", argv[i]);
|
|
}
|
|
return &G;
|
|
}
|
|
|