yolobs-studio/libobs/util/config-file.h
2017-06-29 21:01:10 +02:00

128 lines
4.8 KiB
C

/*
* Copyright (c) 2013 Hugh Bailey <obs.jim@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#pragma once
#include "c99defs.h"
/*
* Generic ini-style config file functions
*
* NOTE: It is highly recommended to use the default value functions (bottom of
* the file) before reading any variables from config files.
*/
#ifdef __cplusplus
extern "C" {
#endif
struct config_data;
typedef struct config_data config_t;
#define CONFIG_SUCCESS 0
#define CONFIG_FILENOTFOUND -1
#define CONFIG_ERROR -2
enum config_open_type {
CONFIG_OPEN_EXISTING,
CONFIG_OPEN_ALWAYS,
};
EXPORT config_t *config_create(const char *file);
EXPORT int config_open(config_t **config, const char *file,
enum config_open_type open_type);
EXPORT int config_open_string(config_t **config, const char *str);
EXPORT int config_save(config_t *config);
EXPORT int config_save_safe(config_t *config, const char *temp_ext,
const char *backup_ext);
EXPORT void config_close(config_t *config);
EXPORT size_t config_num_sections(config_t *config);
EXPORT const char *config_get_section(config_t *config, size_t idx);
EXPORT void config_set_string(config_t *config, const char *section,
const char *name, const char *value);
EXPORT void config_set_int(config_t *config, const char *section,
const char *name, int64_t value);
EXPORT void config_set_uint(config_t *config, const char *section,
const char *name, uint64_t value);
EXPORT void config_set_bool(config_t *config, const char *section,
const char *name, bool value);
EXPORT void config_set_double(config_t *config, const char *section,
const char *name, double value);
EXPORT const char *config_get_string(config_t *config,
const char *section, const char *name);
EXPORT int64_t config_get_int(config_t *config, const char *section,
const char *name);
EXPORT uint64_t config_get_uint(config_t *config, const char *section,
const char *name);
EXPORT bool config_get_bool(config_t *config, const char *section,
const char *name);
EXPORT double config_get_double(config_t *config, const char *section,
const char *name);
EXPORT bool config_remove_value(config_t *config, const char *section,
const char *name);
/*
* DEFAULT VALUES
*
* The following functions are used to set what values will return if they do
* not exist. Call these functions *once* for each known value before reading
* any of them anywhere else.
*
* These do *not* actually set any values, they only set what values will be
* returned for config_get_* if the specified variable does not exist.
*
* You can initialize the defaults programmatically using config_set_default_*
* functions (recommended for most cases), or you can initialize it via a file
* with config_open_defaults.
*/
EXPORT int config_open_defaults(config_t *config, const char *file);
EXPORT void config_set_default_string(config_t *config, const char *section,
const char *name, const char *value);
EXPORT void config_set_default_int(config_t *config, const char *section,
const char *name, int64_t value);
EXPORT void config_set_default_uint(config_t *config, const char *section,
const char *name, uint64_t value);
EXPORT void config_set_default_bool(config_t *config, const char *section,
const char *name, bool value);
EXPORT void config_set_default_double(config_t *config, const char *section,
const char *name, double value);
/* These functions allow you to get the current default values rather than get
* the actual values. Probably almost never really needed */
EXPORT const char *config_get_default_string(config_t *config,
const char *section, const char *name);
EXPORT int64_t config_get_default_int(config_t *config,
const char *section, const char *name);
EXPORT uint64_t config_get_default_uint(config_t *config,
const char *section, const char *name);
EXPORT bool config_get_default_bool(config_t *config,
const char *section, const char *name);
EXPORT double config_get_default_double(config_t *config,
const char *section, const char *name);
EXPORT bool config_has_user_value(config_t *config,
const char *section, const char *name);
EXPORT bool config_has_default_value(config_t *config,
const char *section, const char *name);
#ifdef __cplusplus
}
#endif