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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#ifndef AVRO_ENCODING_H
#define AVRO_ENCODING_H
#ifdef __cplusplus
extern "C" {
#define CLOSE_EXTERN }
#else
#define CLOSE_EXTERN
#endif
#include <avro/platform.h>
#include "avro/io.h"
/*
* TODO: this will need more functions when JSON encoding is added
*/
struct avro_encoding_t {
const char *description;
/*
* string
*/
int (*read_string) (avro_reader_t reader, char **s, int64_t *len);
int (*skip_string) (avro_reader_t reader);
int (*write_string) (avro_writer_t writer, const char *s);
int64_t(*size_string) (avro_writer_t writer, const char *s);
/*
* bytes
*/
int (*read_bytes) (avro_reader_t reader, char **bytes, int64_t * len);
int (*skip_bytes) (avro_reader_t reader);
int (*write_bytes) (avro_writer_t writer,
const char *bytes, const int64_t len);
int64_t(*size_bytes) (avro_writer_t writer,
const char *bytes, const int64_t len);
/*
* int
*/
int (*read_int) (avro_reader_t reader, int32_t * i);
int (*skip_int) (avro_reader_t reader);
int (*write_int) (avro_writer_t writer, const int32_t i);
int64_t(*size_int) (avro_writer_t writer, const int32_t i);
/*
* long
*/
int (*read_long) (avro_reader_t reader, int64_t * l);
int (*skip_long) (avro_reader_t reader);
int (*write_long) (avro_writer_t writer, const int64_t l);
int64_t(*size_long) (avro_writer_t writer, const int64_t l);
/*
* float
*/
int (*read_float) (avro_reader_t reader, float *f);
int (*skip_float) (avro_reader_t reader);
int (*write_float) (avro_writer_t writer, const float f);
int64_t(*size_float) (avro_writer_t writer, const float f);
/*
* double
*/
int (*read_double) (avro_reader_t reader, double *d);
int (*skip_double) (avro_reader_t reader);
int (*write_double) (avro_writer_t writer, const double d);
int64_t(*size_double) (avro_writer_t writer, const double d);
/*
* boolean
*/
int (*read_boolean) (avro_reader_t reader, int8_t * b);
int (*skip_boolean) (avro_reader_t reader);
int (*write_boolean) (avro_writer_t writer, const int8_t b);
int64_t(*size_boolean) (avro_writer_t writer, const int8_t b);
/*
* null
*/
int (*read_null) (avro_reader_t reader);
int (*skip_null) (avro_reader_t reader);
int (*write_null) (avro_writer_t writer);
int64_t(*size_null) (avro_writer_t writer);
};
typedef struct avro_encoding_t avro_encoding_t;
#define AVRO_WRITE(writer, buf, len) \
{ int rval = avro_write( writer, buf, len ); if(rval) return rval; }
#define AVRO_READ(reader, buf, len) \
{ int rval = avro_read( reader, buf, len ); if(rval) return rval; }
#define AVRO_SKIP(reader, len) \
{ int rval = avro_skip( reader, len); if (rval) return rval; }
extern const avro_encoding_t avro_binary_encoding; /* in
* encoding_binary
*/
CLOSE_EXTERN
#endif
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