/* 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