get_double.c

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/*
 * This file is part of the Fun programming language.
 * https://fun-lang.xyz/
 *
 * Copyright 2025 Johannes Findeisen <you@hanez.org>
 * Licensed under the terms of the Apache-2.0 license.
 * https://opensource.org/license/apache-2-0
 */


/* OP_INI_GET_DOUBLE */
#ifdef FUN_WITH_INI
case OP_INI_GET_DOUBLE: {
 Value vdef = pop_value(vm);
 Value vkey = pop_value(vm);
 Value vsec = pop_value(vm);
 Value vh = pop_value(vm);
 double def = (vdef.type == VAL_FLOAT) ? vdef.d : (vdef.type == VAL_INT ? (double)vdef.i : 0.0);
 const char *key = (vkey.type == VAL_STRING) ? vkey.s : NULL;
 const char *sec = (vsec.type == VAL_STRING) ? vsec.s : NULL;
 int h = (vh.type == VAL_INT) ? (int)vh.i : 0;
 dictionary *d = ini_get(h);
 double outd = def;
 if (d && sec && key) {
 char full[1024];
 char alt[1024];
 ini_make_full_key(full, sizeof(full), sec, key);
 memcpy(alt, full, sizeof(alt));
 for (size_t i = 0; i < sizeof(alt) && alt[i]; ++i) {
 if (alt[i] == ':') {
 alt[i] = '.';
 break;
 }
 }
 const char *s = iniparser_getstring(d, full, NULL);
 if (!s) s = iniparser_getstring(d, alt, NULL);
 if (s) {
 char buf[256];
 size_t n = strlen(s);
 if (n >= 2 && ((s[0] == '"' && s[n - 1] == '"') || (s[0] == '\'' && s[n - 1] == '\''))) {
 size_t copy = (n - 2) < sizeof(buf) - 1 ? (n - 2) : sizeof(buf) - 1;
 memcpy(buf, s + 1, copy);
 buf[copy] = '\0';
 s = buf;
 }
 while (*s && (unsigned char)*s <= ' ')
 s++;
 char *endp = NULL;
 double v = strtod(s, &endp);
 if (endp && endp != s)
 outd = v;
 else
 outd = def;
 } else {
 outd = def;
 }
 }
 free_value(vdef);
 free_value(vkey);
 free_value(vsec);
 free_value(vh);
 push_value(vm, make_float(outd));
 break;
}
#endif