ucloud-iot-rtthread-package/uiot/utils/lite-utils.h

/*
* Copyright (C) 2012-2019 UCloud. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/

#ifndef __LITE_UTILS_H__
#define __LITE_UTILS_H__

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stddef.h>
#if defined(_PLATFORM_IS_LINUX_)
#include <assert.h>
#endif

#include "lite-list.h"
#include "uiot_import.h"

#define LITE_TRUE                   (1)
#define LITE_FALSE                  (0)

#ifndef container_of
#define container_of(ptr, type, member)  \
    ((type *) ((char *) (ptr) - offsetof(type, member)))
#endif

#define LITE_MINIMUM(a, b)          (((a) <= (b)) ? (a) : (b))
#define LITE_MAXIMUM(a, b)          (((a) >= (b)) ? (a) : (b))
#define LITE_isdigit(c)             (((c) <= '9' && (c) >= '0') ? (LITE_TRUE) : (LITE_FALSE))

#if defined(_PLATFORM_IS_LINUX_)
#define LITE_ASSERT(expr)           assert(expr)
#else
#define LITE_ASSERT(expr) \
    do { \
        if (!(expr)) { \
            HAL_Printf("### %s | %s(%d): ASSERT FAILED ###: %s is FALSE\r\n", \
                        __FILE__, __func__, __LINE__, #expr); \
        } \
    } while(0)
#endif

char            *LITE_strdup(const char *src);
char            *LITE_format_string(const char *fmt, ...);
char            *LITE_format_nstring(const int len, const char *fmt, ...);
void            LITE_hexbuf_convert(unsigned char *digest, char *out, int buflen, int uppercase);
void            LITE_hexstr_convert(char *hexstr, uint8_t *out_buf, int len);
void            LITE_replace_substr(char orig[], char key[], char swap[]);

char           *LITE_json_value_of(char *key, char *src);
list_head_t    *LITE_json_keys_of(char *src, char *prefix);
void            LITE_json_keys_release(list_head_t *keylist);

int             LITE_get_int32(int32_t *value, char *src);
int             LITE_get_int16(int16_t *value, char *src);
int             LITE_get_int8(int8_t *value, char *src);
int             LITE_get_uint32(uint32_t *value, char *src);
int             LITE_get_uint16(uint16_t *value, char *src);
int             LITE_get_uint8(uint8_t *value, char *src);
int             LITE_get_float(float *value, char *src);
int             LITE_get_double(double *value, char *src);
int             LITE_get_boolean(bool *value, char *src);

typedef struct _json_key_t {
    char           *key;
    list_head_t     list;
} json_key_t;

#define foreach_json_keys_in(src, iter_key, keylist, pos)   \
    for(keylist = (void *)LITE_json_keys_of((char *)src, ""), \
        pos = (void *)list_first_entry((list_head_t *)keylist, json_key_t, list), \
        iter_key = ((json_key_t *)pos)->key; \
            (iter_key = ((json_key_t *)pos)->key); \
                pos = list_next_entry((json_key_t *)pos, list, json_key_t))
#ifdef __cplusplus
}
#endif
#endif  /* __LITE_UTILS_H__ */