n_avro.h File Reference

Avro binary format encoding/decoding with JSON conversion. More...

#include "nilorea/n_common.h"
#include "nilorea/n_str.h"
#include "nilorea/n_list.h"
#include "nilorea/n_hash.h"
#include "nilorea/n_log.h"
#include <cJSON.h>

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Data Structures
struct	AVRO_FIELD
	Avro schema field (for records) More...
struct	AVRO_READER
	Avro read cursor for decoding. More...
struct	AVRO_SCHEMA
	Avro schema definition. More...

Macros
#define	AVRO_MAGIC   "Obj\x01"
	Avro object container file magic bytes.
#define	AVRO_MAGIC_LEN   4
	Avro magic length.
#define	AVRO_SYNC_LEN   16
	Avro sync marker length.

Enumerations
enum	AVRO_TYPE {   AVRO_NULL = 0 , AVRO_BOOLEAN , AVRO_INT , AVRO_LONG ,   AVRO_FLOAT , AVRO_DOUBLE , AVRO_BYTES , AVRO_STRING ,   AVRO_RECORD , AVRO_ENUM , AVRO_ARRAY , AVRO_MAP ,   AVRO_UNION , AVRO_FIXED }
	Avro schema type enumeration. More...

Functions
cJSON *	avro_decode_container (const AVRO_SCHEMA *schema, const N_STR *avro_data)
	Decode an Avro container format N_STR into a cJSON array of records.
cJSON *	avro_decode_datum (AVRO_READER *reader, const AVRO_SCHEMA *schema)
	Decode an Avro binary datum into cJSON according to schema.
int	avro_decode_long (AVRO_READER *reader, int64_t *value)
	Decode a zig-zag varint from reader into a 64-bit signed integer.
N_STR *	avro_encode_container (const AVRO_SCHEMA *schema, const cJSON *records)
	Encode a cJSON array of records into Avro container format N_STR.
int	avro_encode_datum (N_STR **dest, const AVRO_SCHEMA *schema, const cJSON *json)
	Encode a cJSON value as Avro binary according to schema.
int	avro_encode_long (N_STR **dest, int64_t value)
	Encode a 64-bit signed integer as zig-zag varint into N_STR.
int	avro_file_to_json (const char *avro_filename, const char *schema_filename, const char *json_filename)
	Read an Avro object container file and produce a JSON file using a schema file.
int	avro_json_to_file (const char *avro_filename, const char *schema_filename, const char *json_filename)
	Write an Avro object container file from a JSON file and schema file.
N_STR *	avro_nstr_avro_to_json (const N_STR *schema_nstr, const N_STR *avro_nstr)
	Convert Avro N_STR to JSON N_STR using schema N_STR (all in-memory)
N_STR *	avro_nstr_json_to_avro (const N_STR *schema_nstr, const N_STR *json_nstr)
	Convert JSON N_STR to Avro N_STR using schema N_STR (all in-memory)
void	avro_schema_free (AVRO_SCHEMA **schema)
	Free an Avro schema.
AVRO_SCHEMA *	avro_schema_from_cjson (const cJSON *json)
	Parse an Avro schema from a cJSON object.
AVRO_SCHEMA *	avro_schema_parse (const char *json_str)
	Parse an Avro schema from a JSON string.
AVRO_SCHEMA *	avro_schema_parse_nstr (const N_STR *schema_nstr)
	Parse schema from N_STR.
char *	avro_schema_to_json (const AVRO_SCHEMA *schema)
	Convert an Avro schema back to JSON string (caller must free)

Detailed Description

Avro binary format encoding/decoding with JSON conversion.

Author

Castagnier Mickael

Version

1.0

Date

11/03/2026

Definition in file n_avro.h.