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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_path() {
// 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 parser
bool parse_bool(const char* value) {
if (strcasecmp(value, "true") == 0 || strcasecmp(value, "t") == 0 || strcasecmp(value, "yes") == 0 || strcasecmp(value, "on") == 0) {
return true;
} else {
return false;
}
}
// color parser (TODO - support hex codes)
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
bool parse_color(const char* value, color_t* color) {
if (!strlen(value)) {
return false;
}
if (value[0] == '(') {
// (r,g,b,a) format
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);
}
return true;
}
} else {
// hex format
const char* start = value;
if (*start == '#') ++start;
// scan
int code_len = strlen(start);
if (code_len == 6) {
unsigned char r,g,b;
sscanf(start, "%2hhx%2hhx%2hhx", &r, &g, &b);
printf("%d, %d, %d\n", r, g, b);
color->r = r / 255.0f;
color->g = g / 255.0f;
color->b = b / 255.0f;
color->a = 1.0f;
} else if (code_len == 8) {
unsigned char r,g,b,a;
sscanf(start, "%2hhx%2hhx%2hhx%2hhx", &r, &g, &b, &a);
color->r = r / 255.0f;
color->g = g / 255.0f;
color->b = b / 255.0f;
color->a = a / 255.0f;
} else {
return false;
}
return true;
}
return false;
}
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 (strcmp(section, "colors") == 0) {
color_t color;
if (!parse_color(value, &color)) {
return 0;
}
if (strcmp(name, "text_color") == 0) {
config->text_color = color;
} else if (strcmp(name, "highlight_color") == 0) {
config->highlight_color = color;
} else if (strcmp(name, "background_color") == 0) {
config->background_color = color;
} else if (strcmp(name, "cursor_color") == 0) {
config->cursor_color = color;
} else {
return 0;
}
} 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_path = get_conf_path();
if (!conf_path) return;
// parse config file
int ini_res = ini_parse(conf_path, our_ini_handler, &config);
if (ini_res > 0) {
fprintf(stderr, "Error parsing config file (%s), on line %d\n", conf_path, ini_res);
}
free(conf_path);
regfree(&color_regex);
}
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