From 10288765588673645c1cc0a6e3d2245aff3f9080 Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Tue, 1 Mar 2022 22:42:10 -0600
Subject: add basic window functions, option parsing, and main loop

---
 src/options/honey_options.c | 55 +++++++++++++++++++++++++++++++++++++++++++++
 src/options/honey_options.h | 14 ++++++++++++
 2 files changed, 69 insertions(+)
 create mode 100644 src/options/honey_options.c
 create mode 100644 src/options/honey_options.h

(limited to 'src/options')

diff --git a/src/options/honey_options.c b/src/options/honey_options.c
new file mode 100644
index 0000000..cf93588
--- /dev/null
+++ b/src/options/honey_options.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+#include <unistd.h> /* todo: create windows-compatible alternative */
+
+#include "options/honey_options.h"
+
+
+static void print_usage(const char *program_name)
+{
+   printf("Usage: %s [OPTIONS]\n"
+	  "  -v         Increase output verbosity (-vvv displays every log message)\n"
+	  "  -q         Decrease output verbosity (-qqq suppresses even fatal errors)\n"
+	  "  -h         Print this help message and exit\n"
+	  "  -s SCRIPT  Load SCRIPT as the entry point instead of 'main.lua'\n",
+	  program_name);
+}
+
+
+int parse_options(struct honey_options *opts, int argc, char **argv)
+{
+   opts->main_script = "main.lua";
+   opts->log_level = WARN;
+   opts->display_help = 0;
+
+   int opt;
+   const char *flags = "hqvs:";
+   while ((opt = getopt(argc, argv, flags)) != -1) {
+      switch (opt) {
+      case 'q':
+	 opts->log_level -= 1;
+	 break;
+
+      case 'v':
+	 opts->log_level += 1;
+	 break;
+
+      case 'h':
+	 print_usage(argv[0]);
+	 opts->display_help = 1;
+	 return 1;
+
+      case 's':
+	 opts->main_script = optarg;
+	 break;
+
+      default:
+	 print_usage(argv[0]);
+	 return 0;
+      }
+   }
+
+   honey_log_set_level(opts->log_level);
+   honey_log_set_file(stderr);
+
+   return 1;
+}
diff --git a/src/options/honey_options.h b/src/options/honey_options.h
new file mode 100644
index 0000000..5f4aded
--- /dev/null
+++ b/src/options/honey_options.h
@@ -0,0 +1,14 @@
+#ifndef HONEY_OPTIONS_H
+#define HONEY_OPTIONS_H
+
+#include "logging/logging.h"
+
+struct honey_options {
+   const char *main_script;
+   enum honey_log_level_t log_level;
+   int display_help;
+};
+
+int parse_options(struct honey_options *opts, int argc, char **argv);
+
+#endif
-- 
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