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#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "main.h"
#include "options.h"
#include "scale.h"
typedef enum {
CE_TYPE_STR = 0,
CE_TYPE_NUM = 4,
} config_entry_type;
#define CE_STR(val) \
{ #val, CE_TYPE_STRING, val }
#define CE_NUM(val) \
{ #val, CE_TYPE_NUM, &val }
static const struct {
const char *name;
config_entry_type type;
void *val;
} config_data[] = {
CE_NUM(show_fps),
CE_NUM(limit_frames),
CE_NUM(audio_buffer_size),
CE_NUM(scale_size),
CE_NUM(scale_filter),
};
void config_write(FILE *f)
{
for (int i = 0; i < array_size(config_data); i++) {
switch (config_data[i].type)
{
case CE_TYPE_STR:
fprintf(f, "%s = %s\n", config_data[i].name, (char *)config_data[i].val);
break;
case CE_TYPE_NUM:
fprintf(f, "%s = %u\n", config_data[i].name, *(uint32_t *)config_data[i].val);
break;
default:
PA_WARN("unhandled type %d for %s\n", config_data[i].type, (char *)config_data[i].val);
break;
}
}
for (int i = 0; i < core_options.len; i++) {
const char* k = options_get_key(i);
if (!options_is_blocked(k))
fprintf(f, "%s = %s\n", k, options_get_value(k));
}
}
static void parse_str_val(char *cval, const char *src)
{
char *tmp;
strncpy(cval, src, 256);
cval[256 - 1] = 0;
tmp = strchr(cval, '\n');
if (tmp == NULL)
tmp = strchr(cval, '\r');
if (tmp != NULL)
*tmp = 0;
}
static void parse_num_val(uint32_t *cval, const char *src)
{
char *tmp = NULL;
uint32_t val;
val = strtoul(src, &tmp, 10);
if (tmp == NULL || src == tmp)
return; // parse failed
*cval = val;
}
static char *config_find_value(const char* cfg, const char *key) {
char *tmp;
tmp = strstr(cfg, key);
if (tmp == NULL)
return NULL;
tmp += strlen(key);
if (strncmp(tmp, " = ", 3) != 0)
return NULL;
tmp += 3;
return tmp;
}
void config_read(const char* cfg)
{
for (int i = 0; i < array_size(config_data); i++) {
char *tmp = config_find_value(cfg, config_data[i].name);
if (!tmp)
continue;
if (config_data[i].type == CE_TYPE_STR) {
parse_str_val(config_data[i].val, tmp);
continue;
}
parse_num_val(config_data[i].val, tmp);
}
for (int i = 0; i < core_options.len; i++) {
char value[256] = {0};
const char *key = options_get_key(i);
if (options_is_blocked(key))
continue;
char *tmp = config_find_value(cfg, key);
if (!tmp)
continue;
parse_str_val(value, tmp);
options_set_value(key, value);
}
}
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