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/* SPDX-License-Identifier: MIT-0 */
#include <argp.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include "opendeco-cli.h"
#include "toml/LICENSE.h"
#include "minunit/LICENSE.h"
#define print_xxd_arr(name, arrname) \
do { \
wprintf(L"--------\n\n"); \
wprintf(L"License for: %s\n\n", name); \
for (int i = 0; i < arrname##_len; i++) \
putwchar(arrname[i]); \
wprintf(L"\n"); \
} while (0)
static char args_doc[] = "";
static char doc[] = "Implementation of Buhlmann ZH-L16 with Gradient Factors:"
"\vExamples:\n\n"
" ./opendeco -d 18 -t 60 -g Air\n"
" ./opendeco -d 30 -t 60 -g EAN32\n"
" ./opendeco -d 40 -t 120 -g 21/35 -L 20 -H 80 --decogasses Oxygen,EAN50\n";
const char *argp_program_bug_address = "<~tsegers/opendeco@lists.sr.ht> or https://todo.sr.ht/~tsegers/opendeco";
const char *argp_program_version = "opendeco " VERSION;
static struct argp_option options[] = {
{0, 0, 0, 0, "Dive options:", 0 },
{"depth", 'd', "NUMBER", 0, "Set the depth of the dive in meters", 0 },
{"time", 't', "NUMBER", 0, "Set the time of the dive in minutes", 1 },
{"gas", 'g', "STRING", 0, "Set the bottom gas used during the dive, defaults to Air", 2 },
{"pressure", 'p', "NUMBER", 0, "Set the surface air pressure, defaults to 1.01325bar or 1atm", 3 },
{"rmv", 'r', "NUMBER", 0, "Set the RMV during the dive portion of the dive, defaults to 20", 4 },
{0, 0, 0, 0, "Deco options:", 0 },
{"gflow", 'L', "NUMBER", 0, "Set the gradient factor at the first stop, defaults to 30", 5 },
{"gfhigh", 'H', "NUMBER", 0, "Set the gradient factor at the surface, defaults to 75", 6 },
{"decogasses", 'G', "LIST", 0, "Set the gasses available for deco", 7 },
{0, 'S', 0, OPTION_ARG_OPTIONAL, "Only switch gas at deco stops", 8 },
{0, '6', 0, OPTION_ARG_OPTIONAL, "Perform last deco stop at 6m", 9 },
{"decormv", 'R', "NUMBER", 0, "Set the RMV during the deco portion of the dive, defaults to 15", 10},
{"showtravel", 'T', 0, 0, "Show travel segments in deco plan", 11},
{0, 0, 0, 0, "Informational options:", 0 },
{"licenses", -1, 0, 0, "Show third-party licenses", 0 },
{0, 0, 0, 0, 0, 0 }
};
static void print_licenses()
{
wprintf(L"THIRD-PARTY LICENSES:\n\n");
print_xxd_arr("cktan/tomlc99", toml_LICENSE);
print_xxd_arr("siu/minunit", minunit_LICENSE);
}
static error_t parse_opt(int key, char *arg, struct argp_state *state)
{
struct arguments *arguments = state->input;
switch (key) {
case 'd':
arguments->depth = arg ? atof(arg) : -1;
break;
case 't':
arguments->time = arg ? atof(arg) : -1;
break;
case 'g':
if (arguments->gas)
free(arguments->gas);
arguments->gas = strdup(arg);
break;
case 'p':
arguments->SURFACE_PRESSURE = arg ? atof(arg) : -1;
break;
case 'r':
arguments->RMV_DIVE = arg ? atof(arg) : -1;
break;
case 'L':
arguments->gflow = arg ? atoi(arg) : -1;
break;
case 'H':
arguments->gfhigh = arg ? atoi(arg) : -1;
break;
case 'G':
if (arguments->decogasses)
free(arguments->decogasses);
arguments->decogasses = strdup(arg);
break;
case 'S':
arguments->SWITCH_INTERMEDIATE = 0;
break;
case '6':
arguments->LAST_STOP_AT_SIX = 1;
break;
case 'R':
arguments->RMV_DECO = arg ? atof(arg) : -1;
break;
case 'T':
arguments->SHOW_TRAVEL = 1;
break;
case -1:
print_licenses();
exit(ARGP_ERR_UNKNOWN);
case ARGP_KEY_END:
if (arguments->depth < 0 || arguments->time < 0) {
argp_state_help(state, stderr, ARGP_HELP_USAGE);
argp_failure(state, 1, 0, "Options -d and -t are required. See --help for more information");
exit(ARGP_ERR_UNKNOWN);
}
if (arguments->SURFACE_PRESSURE <= 0) {
argp_failure(state, 1, 0, "Surface air pressure must be positive");
exit(ARGP_ERR_UNKNOWN);
}
if (arguments->gflow <= 0) {
argp_failure(state, 1, 0, "GF Low invalid");
exit(ARGP_ERR_UNKNOWN);
}
if (arguments->gfhigh <= 0) {
argp_failure(state, 1, 0, "GF High invalid");
exit(ARGP_ERR_UNKNOWN);
}
if (arguments->gflow > arguments->gfhigh) {
argp_failure(state, 1, 0, "GF Low must not be greater than GF High");
exit(ARGP_ERR_UNKNOWN);
}
if (arguments->RMV_DIVE <= 0) {
argp_failure(state, 1, 0, "Dive RMV must be greater than 0");
exit(ARGP_ERR_UNKNOWN);
}
if (arguments->RMV_DECO <= 0) {
argp_failure(state, 1, 0, "Deco RMV must be greater than 0");
exit(ARGP_ERR_UNKNOWN);
}
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
void opendeco_argp_parse(int argc, char *argv[], struct arguments *arguments)
{
static struct argp argp = {options, parse_opt, args_doc, doc, 0, 0, 0};
argp_parse(&argp, argc, argv, 0, 0, arguments);
}
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