mip_field.h

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#pragma once
 
#include <stdint.h>
#include <stdbool.h>
#include "mip_packet.h"
 
#ifdef __cplusplus
namespace mip {
namespace C {
extern "C" {
#endif
 
 
 
 
typedef struct mip_field_view
{
    const uint8_t* _payload;    
    uint8_t _payload_length;    
    uint8_t _field_descriptor;  
    uint8_t _descriptor_set;    
    uint8_t _remaining_length;  
} mip_field_view;
 
typedef enum mip_field_index
{
    MIP_FIELD_INDEX_LENGTH  = 0,
    MIP_FIELD_INDEX_DESC    = 1,
    MIP_FIELD_INDEX_PAYLOAD = 2
} mip_field_index;
 
typedef enum mip_field_index_length
{
    MIP_FIELD_HEADER_LENGTH      = MIP_FIELD_INDEX_PAYLOAD,
    MIP_FIELD_LENGTH_MIN         = MIP_FIELD_HEADER_LENGTH,
    MIP_FIELD_LENGTH_MAX         = 255,
    MIP_FIELD_PAYLOAD_LENGTH_MIN = 0,
    MIP_FIELD_PAYLOAD_LENGTH_MAX = MIP_FIELD_LENGTH_MAX - MIP_FIELD_HEADER_LENGTH
} mip_field_index_length;
 
void mip_field_init(mip_field_view* field, uint8_t descriptor_set, uint8_t field_descriptor, const uint8_t* payload, uint8_t payload_length);
 
 
uint8_t mip_field_descriptor_set(const mip_field_view* field);
uint8_t mip_field_field_descriptor(const mip_field_view* field);
uint8_t mip_field_payload_length(const mip_field_view* field);
uint8_t mip_field_total_length(const mip_field_view* field);
const uint8_t* mip_field_payload(const mip_field_view* field);
 
bool mip_field_is_valid(const mip_field_view* field);
 
 
void mip_field_init_empty(mip_field_view* field);
 
mip_field_view mip_field_from_header_ptr(const uint8_t* header, uint8_t total_length, uint8_t descriptor_set);
 
mip_field_view mip_field_first_from_packet(const mip_packet_view* packet);
mip_field_view mip_field_next_after(const mip_field_view* field);
bool mip_field_next(mip_field_view* field);
 
bool mip_field_next_in_packet(mip_field_view* field, const mip_packet_view* packet);
 
// bool mip_field_is_at_end(const struct mip_field* field);
 
 
#ifdef __cplusplus
} // extern "C"
} // namespace C
} // namespace mip
#endif