X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=vrfileman;a=blobdiff_plain;f=src%2Fopt.cc;fp=src%2Fopt.cc;h=0b9914983c5de853b38120cc121ee6cc834a1abf;hp=0000000000000000000000000000000000000000;hb=b7ea5b1ae3f0f0a5eba13b49e303b49876ee209e;hpb=65fa35533b5f8e26b57a31d5972a7649d71ad684

diff --git a/src/opt.cc b/src/opt.cc
new file mode 100644
index 0000000..0b99149
--- /dev/null
+++ b/src/opt.cc
@@ -0,0 +1,85 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <optcfg.h>
+#include "opt.h"
+
+Options opt;
+
+enum {
+	OPT_VR,
+	OPT_SRGB,
+	OPT_FULLSCREEN,
+	OPT_WINDOWED,
+	OPT_HELP
+};
+
+static optcfg_option options[] = {
+	// short, long, id, desc
+	{0, "vr", OPT_VR, "enable VR mode"},
+	{0, "srgb", OPT_SRGB, "use linear color space"},
+	{'f', "fullscreen", OPT_FULLSCREEN, "run in fullscreen mode"},
+	{'w', "windowed", OPT_WINDOWED, "run in windowed mode"},
+	{'h', "help", OPT_HELP, "print usage and exit"},
+	OPTCFG_OPTIONS_END
+};
+
+static int opt_handler(optcfg *oc, int opt, void *cls);
+
+bool init_options(int argc, char **argv, const char *cfgfile)
+{
+	// default options
+	memset(&opt, 0, sizeof opt);
+	opt.srgb = true;
+
+	optcfg *oc = optcfg_init(options);
+	optcfg_set_opt_callback(oc, opt_handler, 0);
+
+	if(cfgfile && optcfg_parse_config_file(oc, cfgfile) == -1) {
+		optcfg_destroy(oc);
+		return false;
+	}
+
+	if(argv && optcfg_parse_args(oc, argc, argv) == -1) {
+		fprintf(stderr, "invalid option\n");
+		optcfg_destroy(oc);
+		return false;
+	}
+
+	optcfg_destroy(oc);
+	return true;
+}
+
+static bool is_enabled(optcfg *oc)
+{
+	int res;
+	optcfg_enabled_value(oc, &res);
+	return res != 0;
+}
+
+static int opt_handler(optcfg *oc, int optid, void *cls)
+{
+	switch(optid) {
+	case OPT_VR:
+		opt.vr = is_enabled(oc);
+		break;
+
+	case OPT_SRGB:
+		opt.srgb = is_enabled(oc);
+		break;
+
+	case OPT_FULLSCREEN:
+		opt.fullscreen = is_enabled(oc);
+		break;
+
+	case OPT_WINDOWED:
+		opt.fullscreen = !is_enabled(oc);
+		break;
+
+	case OPT_HELP:
+		printf("Usage: vrfileman [options]\nOptions:\n");
+		optcfg_print_options(oc);
+		exit(0);
+	}
+	return true;
+}