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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 "avro_private.h"
#include "avro/errors.h"
#include <limits.h>
#include <errno.h>
#include <string.h>
#include "schema.h"
#include "datum.h"
#include "st.h"
struct validate_st {
avro_schema_t expected_schema;
int rval;
};
static int
schema_map_validate_foreach(char *key, avro_datum_t datum,
struct validate_st *vst)
{
AVRO_UNUSED(key);
if (!avro_schema_datum_validate(vst->expected_schema, datum)) {
vst->rval = 0;
return ST_STOP;
}
return ST_CONTINUE;
}
int
avro_schema_datum_validate(avro_schema_t expected_schema, avro_datum_t datum)
{
check_param(EINVAL, expected_schema, "expected schema");
check_param(EINVAL, is_avro_datum(datum), "datum");
int rval;
long i;
switch (avro_typeof(expected_schema)) {
case AVRO_NULL:
return is_avro_null(datum);
case AVRO_BOOLEAN:
return is_avro_boolean(datum);
case AVRO_STRING:
return is_avro_string(datum);
case AVRO_BYTES:
return is_avro_bytes(datum);
case AVRO_INT32:
return is_avro_int32(datum)
|| (is_avro_int64(datum)
&& (INT_MIN <= avro_datum_to_int64(datum)->i64
&& avro_datum_to_int64(datum)->i64 <= INT_MAX));
case AVRO_INT64:
return is_avro_int32(datum) || is_avro_int64(datum);
case AVRO_FLOAT:
return is_avro_int32(datum) || is_avro_int64(datum)
|| is_avro_float(datum);
case AVRO_DOUBLE:
return is_avro_int32(datum) || is_avro_int64(datum)
|| is_avro_float(datum) || is_avro_double(datum);
case AVRO_FIXED:
return (is_avro_fixed(datum)
&& (avro_schema_to_fixed(expected_schema)->size ==
avro_datum_to_fixed(datum)->size));
case AVRO_ENUM:
if (is_avro_enum(datum)) {
long value = avro_datum_to_enum(datum)->value;
long max_value =
avro_schema_to_enum(expected_schema)->symbols->
num_entries;
return 0 <= value && value <= max_value;
}
return 0;
case AVRO_ARRAY:
if (is_avro_array(datum)) {
struct avro_array_datum_t *array =
avro_datum_to_array(datum);
for (i = 0; i < array->els->num_entries; i++) {
union {
st_data_t data;
avro_datum_t datum;
} val;
st_lookup(array->els, i, &val.data);
if (!avro_schema_datum_validate
((avro_schema_to_array
(expected_schema))->items, val.datum)) {
return 0;
}
}
return 1;
}
return 0;
case AVRO_MAP:
if (is_avro_map(datum)) {
struct validate_st vst =
{ avro_schema_to_map(expected_schema)->values, 1
};
st_foreach(avro_datum_to_map(datum)->map,
HASH_FUNCTION_CAST schema_map_validate_foreach,
(st_data_t) & vst);
return vst.rval;
}
break;
case AVRO_UNION:
if (is_avro_union(datum)) {
struct avro_union_schema_t *union_schema =
avro_schema_to_union(expected_schema);
struct avro_union_datum_t *union_datum =
avro_datum_to_union(datum);
union {
st_data_t data;
avro_schema_t schema;
} val;
if (!st_lookup
(union_schema->branches, union_datum->discriminant,
&val.data)) {
return 0;
}
return avro_schema_datum_validate(val.schema,
union_datum->value);
}
break;
case AVRO_RECORD:
if (is_avro_record(datum)) {
struct avro_record_schema_t *record_schema =
avro_schema_to_record(expected_schema);
for (i = 0; i < record_schema->fields->num_entries; i++) {
avro_datum_t field_datum;
union {
st_data_t data;
struct avro_record_field_t *field;
} val;
st_lookup(record_schema->fields, i, &val.data);
rval =
avro_record_get(datum, val.field->name,
&field_datum);
if (rval) {
/*
* TODO: check for default values
*/
return rval;
}
if (!avro_schema_datum_validate
(val.field->type, field_datum)) {
return 0;
}
}
return 1;
}
break;
case AVRO_LINK:
{
return
avro_schema_datum_validate((avro_schema_to_link
(expected_schema))->to,
datum);
}
break;
}
return 0;
}
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