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Add some "set config" APIs.

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This commit is contained in:
Themaister 2011-01-09 02:58:26 +01:00
parent 9463a2aecf
commit 924904c007
2 changed files with 95 additions and 6 deletions
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91
conf/config_file.c
View File

@ -21,7 +21,10 @@
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#ifndef STANDALONE
#include "general.h"
#endif
struct entry_list
{
@ -132,21 +135,32 @@ static void print_config(config_file_t *conf)
struct entry_list *tmp = conf->entries;
while (tmp != NULL)
{
#ifdef STANDALONE
fprintf(stderr, "Config => Key: \"%s\", Value: \"%s\"\n", tmp->key, tmp->value);
#else
SSNES_LOG("Config => Key: \"%s\", Value: \"%s\"\n", tmp->key, tmp->value);
#endif
tmp = tmp->next;
}
}
config_file_t *config_file_new(const char *path)
{
FILE *file = fopen(path, "r");
if (!file)
return NULL;
struct config_file *conf = calloc(1, sizeof(*conf));
if (conf == NULL)
return NULL;
if (path == NULL)
return conf;
FILE *file = fopen(path, "r");
if (!file)
{
free(conf);
return NULL;
}
struct entry_list *tail = conf->entries;
while (!feof(file))
@ -174,8 +188,7 @@ config_file_t *config_file_new(const char *path)
}
fclose(file);
if (g_extern.verbose)
print_config(conf);
print_config(conf);
return conf;
}
@ -290,4 +303,72 @@ bool config_get_bool(config_file_t *conf, const char *key, bool *in)
return false;
}
void config_set_string(config_file_t *conf, const char *key, const char *val)
{
struct entry_list *list = conf->entries;
struct entry_list *last = list;
while (list != NULL)
{
if (strcmp(key, list->key) == 0)
{
free(list->value);
list->value = strdup(val);
return;
}
last = list;
list = list->next;
}
struct entry_list *elem = calloc(1, sizeof(*elem));
elem->key = strdup(key);
elem->value = strdup(val);
if (last)
last->next = elem;
else
conf->entries = elem;
}
void config_set_double(config_file_t *conf, const char *key, double val)
{
char buf[128];
snprintf(buf, sizeof(buf), "%lf", val);
config_set_string(conf, key, buf);
}
void config_set_int(config_file_t *conf, const char *key, int val)
{
char buf[128];
snprintf(buf, sizeof(buf), "%d", val);
config_set_string(conf, key, buf);
}
void config_set_char(config_file_t *conf, const char *key, char val)
{
char buf[2];
snprintf(buf, sizeof(buf), "%c", val);
config_set_string(conf, key, buf);
}
void config_set_bool(config_file_t *conf, const char *key, bool val)
{
config_set_string(conf, key, val ? "true" : "false");
}
bool config_file_write(config_file_t *conf, const char *path)
{
FILE *file = fopen(path, "w");
if (!file)
return false;
struct entry_list *list = conf->entries;
while (list != NULL)
{
fprintf(file, "%s = \"%s\"\n", list->key, list->value);
list = list->next;
}
fclose(file);
return true;
}

10
conf/config_file.h
View File

@ -30,7 +30,7 @@ typedef struct config_file config_file_t;
// - Format is: key = value. There can be as many spaces as you like in-between.
// - Value can be wrapped inside "" for multiword strings. (foo = "hai u")
// Loads a config file. Returns NULL if file doesn't exist.
// Loads a config file. Returns NULL if file doesn't exist. NULL path will create an empty config file.
config_file_t *config_file_new(const char *path);
// Frees config file.
void config_file_free(config_file_t *conf);
@ -48,6 +48,14 @@ bool config_get_string(config_file_t *conf, const char *entry, char **in);
// Extracts a boolean from config. Valid boolean true are "true" and "1". Valid false are "false" and "0". Other values will be treated as an error.
bool config_get_bool(config_file_t *conf, const char *entry, bool *in);
// Setters.
void config_set_double(config_file_t *conf, const char *entry, double value);
void config_set_int(config_file_t *conf, const char *entry, int val);
void config_set_char(config_file_t *conf, const char *entry, char val);
void config_set_string(config_file_t *conf, const char *entry, const char *val);
void config_set_bool(config_file_t *conf, const char *entry, bool val);
bool config_file_write(config_file_t *conf, const char *path);
#endif