| commit | author | age | ||
| a6c014 | 1 | /* pb_common.h: Common support functions for pb_encode.c and pb_decode.c. |
| L | 2 | * These functions are rarely needed by applications directly. |
| 3 | */ | |
| 4 | ||
| 5 | #ifndef PB_COMMON_H_INCLUDED | |
| 6 | #define PB_COMMON_H_INCLUDED | |
| 7 | ||
| 8 | #include "pb.h" | |
| 9 | ||
| 10 | #ifdef __cplusplus | |
| 11 | extern "C" { | |
| 12 | #endif | |
| 13 | ||
| 14 | /* Iterator for pb_field_t list */ | |
| 15 | struct pb_field_iter_s { | |
| 16 | const pb_field_t *start; /* Start of the pb_field_t array */ | |
| 17 | const pb_field_t *pos; /* Current position of the iterator */ | |
| 18 | unsigned required_field_index; /* Zero-based index that counts only the required fields */ | |
| 19 | void *dest_struct; /* Pointer to start of the structure */ | |
| 20 | void *pData; /* Pointer to current field value */ | |
| 21 | void *pSize; /* Pointer to count/has field */ | |
| 22 | }; | |
| 23 | typedef struct pb_field_iter_s pb_field_iter_t; | |
| 24 | ||
| 25 | /* Initialize the field iterator structure to beginning. | |
| 26 | * Returns false if the message type is empty. */ | |
| 27 | bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_field_t *fields, void *dest_struct); | |
| 28 | ||
| 29 | /* Advance the iterator to the next field. | |
| 30 | * Returns false when the iterator wraps back to the first field. */ | |
| 31 | bool pb_field_iter_next(pb_field_iter_t *iter); | |
| 32 | ||
| 33 | /* Advance the iterator until it points at a field with the given tag. | |
| 34 | * Returns false if no such field exists. */ | |
| 35 | bool pb_field_iter_find(pb_field_iter_t *iter, uint32_t tag); | |
| 36 | ||
| 37 | #ifdef __cplusplus | |
| 38 | } /* extern "C" */ | |
| 39 | #endif | |
| 40 | ||
| 41 | #endif | |
| 42 | ||
