/*
 * ESPRESSIF MIT License
 *
 * Copyright (c) 2018 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
 *
 * Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in
 * which case, it is free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the "Software"), to deal in the
 * Software without restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#ifndef __AUDIO_URL_H__
#define __AUDIO_URL_H__

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Allocate new memory, encoding given string to percent-encoding and
 * return the pointer
 *
 * @note Returned pointer should be freed by user.
 *       ALPHA(0x41-0x5A and 0x61-0x7A), DIGIT (0x30-0x39) and
 * "~!@#$&*()=:/,;?+'-_." are reserved.
 *
 * @param  str   String to be encode
 *
 * @return
 *     - valid pointer on success
 *     - NULL when any errors
 */
char *audio_url_encode(const char *str);

/**
 * @brief Allocate new memory, decoding given percent-encoding string and return
 * the pointer
 *
 * @note Returned pointer should be freed by user
 *
 * @param str  String to be decode
 *
 * @return
 *     - valid pointer on success
 *     - NULL when any errors
 */
char *audio_url_decode(const char *str);

#ifdef __cplusplus
}
#endif

#endif