Add support for toml-based config file

1 files changed, 101 insertions, 0 deletions

diff --git a/src/opendeco-conf.c b/src/opendeco-conf.c
new file mode 100644
index 0000000..e6b957f
--- /dev/null
+++ b/src/opendeco-conf.c
@@ -0,0 +1,101 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <wchar.h>
+
+#include "opendeco-conf.h"
+#include "../toml/toml.h"
+
+int opendeco_conf_parse(const char *confpath, struct arguments *arguments)
+{
+    FILE *fp;
+    char errbuf[200];
+
+    /* open config file */
+    fp = fopen(confpath, "r");
+
+    if (!fp)
+        return -1;
+
+    /* parse config */
+    toml_table_t *od_conf = toml_parse_file(fp, errbuf, sizeof(errbuf));
+    fclose(fp);
+
+    if (!od_conf)
+        return -1;
+
+    fwprintf(stderr, L"Picked up options from %s\n", confpath);
+
+    /* set options in arguments */
+    toml_table_t *dive = toml_table_in(od_conf, "dive");
+
+    if (dive) {
+        toml_datum_t g = toml_string_in(dive, "gas");
+
+        if (g.ok) {
+            if (arguments->gas)
+                free(arguments->gas);
+
+            arguments->gas = g.u.s;
+        }
+
+        toml_datum_t p = toml_double_in(dive, "surface_pressure");
+
+        if (p.ok)
+            arguments->SURFACE_PRESSURE = p.u.d;
+
+        toml_datum_t r = toml_double_in(dive, "rmv");
+
+        if (r.ok)
+            arguments->RMV_DIVE = r.u.d;
+    }
+
+    toml_table_t *deco = toml_table_in(od_conf, "deco");
+
+    if (deco) {
+        toml_datum_t L = toml_int_in(deco, "gflow");
+
+        if (L.ok)
+            arguments->gflow = L.u.i;
+
+        toml_datum_t H = toml_int_in(deco, "gfhigh");
+
+        if (H.ok)
+            arguments->gfhigh = H.u.i;
+
+        toml_datum_t G = toml_string_in(deco, "decogasses");
+
+        if (G.ok) {
+            if (arguments->decogasses)
+                free(arguments->decogasses);
+
+            arguments->decogasses = G.u.s;
+        }
+
+        toml_datum_t _6 = toml_bool_in(deco, "last_stop_at_six");
+
+        if (_6.ok)
+            arguments->LAST_STOP_AT_SIX = _6.u.b;
+
+        toml_datum_t S = toml_bool_in(deco, "switch_intermediate");
+
+        if (S.ok)
+            arguments->SWITCH_INTERMEDIATE = S.u.b;
+
+        toml_datum_t R = toml_double_in(deco, "rmv");
+
+        if (R.ok)
+            arguments->RMV_DECO = R.u.d;
+    }
+
+    toml_table_t *conf = toml_table_in(od_conf, "conf");
+
+    if (conf) {
+        toml_datum_t T = toml_bool_in(conf, "show_travel");
+
+        if (T.ok)
+            arguments->SHOW_TRAVEL = T.u.b;
+    }
+
+    toml_free(od_conf);
+    return 0;
+}