config file

1 files changed, 80 insertions, 4 deletions

diff --git a/config.c b/config.c
index 698f691..94fd63d 100644
--- a/config.c
+++ b/config.c
@@ -1,35 +1,111 @@
 #include "config.h"
+#include "ini.h"
 
+#include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
+#include <regex.h>
 
 config_t config = {
+	// default config
 	.fancy_scroll = false,
 	.min_width = 500,
 	.font_size = 16,
-	// colors
 	.text_color = {0.85, 0.85, 0.85, 1.0},
 	.highlight_color = {0.1, 0.3, 0.7, 1.0},
 	.background_color = {0.1, 0.1, 0.1, 1.0},
 	.cursor_color = {0.9, 0.9, 0.9, 0.5}
 };
 
-
+// get config file
+const char* conf_file_name = "/swenu/conf.ini";
 char* get_conf_file() {
 	// get from xdg config home
 	const char* xdg = getenv("XDG_CONFIG_HOME");
 	if (xdg && *xdg) {
+		char* conf_file = NULL;
+		asprintf(&conf_file, "%s%s", xdg, conf_file_name);
+		return conf_file;
 	}      
 
 	// get from home
     const char* home = getenv("HOME");
     if (home && *home) {
+		char* conf_file = NULL;
+		asprintf(&conf_file, "%s/.config%s", home, conf_file_name);
+		return conf_file;
     }
     
     return NULL;
 }
 
+// bool parse helper
+bool parse_bool(const char* value) {
+	if (strcmp(value, "true") == 0 || strcmp(value, "t") == 0 || strcmp(value, "True") == 0 || strcmp(value, "T") == 0 || strcmp(value, "TRUE") == 0 || strcmp(value, "yes") == 0) {
+		return true;
+	} else {
+		return false;
+	}
+}
+
+// color parse helper
+regex_t color_regex;
+const char *color_regex_pattern = "^\\([[:space:]]*([[:digit:].]*)[[:space:]]*,[[:space:]]*([[:digit:].]*)[[:space:]]*,[[:space:]]*([[:digit:].]*)[[:space:]]*,[[:space:]]*([[:digit:].]*)[[:space:]]*\\)$"; // this is fucking evil
+void parse_color(const char* value, color_t* color) {
+    regmatch_t matches[5];  // full match + 4 capture groups
+    if (regexec(&color_regex, value, 5, matches, 0) == 0) {
+        for (int i = 1; i <= 4; i++) {
+            size_t len = matches[i].rm_eo - matches[i].rm_so;
+			char match[len + 1];
+			memcpy(match, value + matches[i].rm_so, len);
+			match[len] = '\0';
+			*((float*)color + i - 1) = atof(match);
+        }
+    }
+}
+
+static int our_ini_handler(void* user, const char* section, const char* name,
+				   const char* value)
+{
+	config_t* config = (config_t*)user;
+
+	#define MATCH(s, n) strcmp(section, s) == 0 && strcmp(name, n) == 0
+	if (MATCH("", "fancy_scroll")) {
+		config->fancy_scroll = parse_bool(value);
+	} else if (MATCH("", "min_width")) {
+		config->min_width = atoi(value);
+	} else if (MATCH("", "font_size")) {
+		config->font_size = atoi(value);
+	} else if (MATCH("colors", "text_color")) {
+		parse_color(value, &config->text_color);
+	} else if (MATCH("colors", "highlight_color")) {
+		parse_color(value, &config->highlight_color);
+	} else if (MATCH("colors", "background_color")) {
+		parse_color(value, &config->background_color);
+	} else if (MATCH("colors", "cursor_color")) {
+		parse_color(value, &config->cursor_color);
+	} else {
+		return 0;  /* unknown section/name, error */
+	}
+	return 1;
+}
+
 void init_conf() {
-	/* const char* conf_dir = get_conf_file(); */
+	// compile color regex
+    if (regcomp(&color_regex, color_regex_pattern, REG_EXTENDED) != 0) {
+        fprintf(stderr, "Color regex compile failed\n");
+    }
+	
+	// get config dir
+	char* conf_dir = get_conf_file();
+	if (!conf_dir) return;
+
+	// parse config file
+	int ini_res = ini_parse(conf_dir, our_ini_handler, &config);
+	if (ini_res > 0) {
+		fprintf(stderr, "Error parsing config file (%s), on line %d\n", conf_dir, ini_res);
+    }
 
-	/* free(conf_dir); */
+	free(conf_dir);
+    regfree(&color_regex);
 }