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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.
*/
#include <stdlib.h>
#include <errno.h>
#include "avro/errors.h"
#include "avro/io.h"
#include "avro/legacy.h"
#include "avro/resolver.h"
#include "avro/schema.h"
#include "avro/value.h"
#include "avro_private.h"
int
avro_schema_match(avro_schema_t wschema, avro_schema_t rschema)
{
check_param(0, is_avro_schema(wschema), "writer schema");
check_param(0, is_avro_schema(rschema), "reader schema");
avro_value_iface_t *resolver =
avro_resolved_writer_new(wschema, rschema);
if (resolver != NULL) {
avro_value_iface_decref(resolver);
return 1;
}
return 0;
}
int
avro_read_data(avro_reader_t reader, avro_schema_t writers_schema,
avro_schema_t readers_schema, avro_datum_t * datum)
{
int rval;
check_param(EINVAL, reader, "reader");
check_param(EINVAL, is_avro_schema(writers_schema), "writer schema");
check_param(EINVAL, datum, "datum pointer");
if (!readers_schema) {
readers_schema = writers_schema;
}
avro_datum_t result = avro_datum_from_schema(readers_schema);
if (!result) {
return EINVAL;
}
avro_value_t value;
check(rval, avro_datum_as_value(&value, result));
avro_value_iface_t *resolver =
avro_resolved_writer_new(writers_schema, readers_schema);
if (!resolver) {
avro_value_decref(&value);
avro_datum_decref(result);
return EINVAL;
}
avro_value_t resolved_value;
rval = avro_resolved_writer_new_value(resolver, &resolved_value);
if (rval) {
avro_value_iface_decref(resolver);
avro_value_decref(&value);
avro_datum_decref(result);
return rval;
}
avro_resolved_writer_set_dest(&resolved_value, &value);
rval = avro_value_read(reader, &resolved_value);
if (rval) {
avro_value_decref(&resolved_value);
avro_value_iface_decref(resolver);
avro_value_decref(&value);
avro_datum_decref(result);
return rval;
}
avro_value_decref(&resolved_value);
avro_value_iface_decref(resolver);
avro_value_decref(&value);
*datum = result;
return 0;
}
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