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#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,
.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() {
// 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);
regfree(&color_regex);
}
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