Nanopb files
Dependents: nanopb_V2 Message_generator LEX_Threaded_Programming_V3
Diff: pb_common.h
- Revision:
- 2:d2c61a9be078
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/pb_common.h Fri Aug 16 16:41:33 2019 +0000 @@ -0,0 +1,41 @@ +/* pb_common.h: Common support functions for pb_encode.c and pb_decode.c. + * These functions are rarely needed by applications directly. + */ + +#ifndef PB_COMMON_H_INCLUDED +#define PB_COMMON_H_INCLUDED + +#include "pb.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/* Iterator for pb_field_t list */ +struct pb_field_iter_s { + const pb_field_t *start; /* Start of the pb_field_t array */ + const pb_field_t *pos; /* Current position of the iterator */ + unsigned required_field_index; /* Zero-based index that counts only the required fields */ + void *dest_struct; /* Pointer to start of the structure */ + void *pData; /* Pointer to current field value */ + void *pSize; /* Pointer to count/has field */ +}; +typedef struct pb_field_iter_s pb_field_iter_t; + +/* Initialize the field iterator structure to beginning. + * Returns false if the message type is empty. */ +bool pb_field_iter_begin(pb_field_iter_t *iter, const pb_field_t *fields, void *dest_struct); + +/* Advance the iterator to the next field. + * Returns false when the iterator wraps back to the first field. */ +bool pb_field_iter_next(pb_field_iter_t *iter); + +/* Advance the iterator until it points at a field with the given tag. + * Returns false if no such field exists. */ +bool pb_field_iter_find(pb_field_iter_t *iter, uint32_t tag); + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif