avro_schema_t avro_schema_link_target(avro_schema_t schema)
{
check_param(NULL, is_avro_schema(schema), "schema");
check_param(NULL, is_avro_link(schema), "schema");
struct avro_link_schema_t *link = avro_schema_to_link(schema);
return link->to;
}
int avro_schema_equal(avro_schema_t a, avro_schema_t b)
{
if (!a || !b) {
/*
* this is an error. protecting from segfault.
*/
return 0;
} else if (a == b) {
/*
* an object is equal to itself
*/
return 1;
} else if (avro_typeof(a) != avro_typeof(b)) {
return 0;
} else if (is_avro_record(a)) {
return schema_record_equal(avro_schema_to_record(a),
avro_schema_to_record(b));
} else if (is_avro_enum(a)) {
return schema_enum_equal(avro_schema_to_enum(a),
avro_schema_to_enum(b));
} else if (is_avro_fixed(a)) {
return schema_fixed_equal(avro_schema_to_fixed(a),
avro_schema_to_fixed(b));
} else if (is_avro_map(a)) {
return schema_map_equal(avro_schema_to_map(a),
avro_schema_to_map(b));
} else if (is_avro_array(a)) {
return schema_array_equal(avro_schema_to_array(a),
avro_schema_to_array(b));
} else if (is_avro_union(a)) {
return schema_union_equal(avro_schema_to_union(a),
avro_schema_to_union(b));
} else if (is_avro_link(a)) {
return schema_link_equal(avro_schema_to_link(a),
avro_schema_to_link(b));
}
return 1;
}
const char *avro_schema_type_name(const avro_schema_t schema)
{
if (is_avro_record(schema)) {
return (avro_schema_to_record(schema))->name;
} else if (is_avro_enum(schema)) {
return (avro_schema_to_enum(schema))->name;
} else if (is_avro_fixed(schema)) {
return (avro_schema_to_fixed(schema))->name;
} else if (is_avro_union(schema)) {
return "union";
} else if (is_avro_array(schema)) {
return "array";
} else if (is_avro_map(schema)) {
return "map";
} else if (is_avro_int32(schema)) {
return "int";
} else if (is_avro_int64(schema)) {
return "long";
} else if (is_avro_float(schema)) {
return "float";
} else if (is_avro_double(schema)) {
return "double";
} else if (is_avro_boolean(schema)) {
return "boolean";
} else if (is_avro_null(schema)) {
return "null";
} else if (is_avro_string(schema)) {
return "string";
} else if (is_avro_bytes(schema)) {
return "bytes";
} else if (is_avro_link(schema)) {
avro_schema_t target = avro_schema_link_target(schema);
return avro_schema_type_name(target);
}
avro_set_error("Unknown schema type");
return NULL;
}
static int write_datum(avro_writer_t writer, const avro_encoding_t * enc,
avro_schema_t writers_schema, avro_datum_t datum)
{
if (is_avro_schema(writers_schema) && is_avro_link(writers_schema)) {
return write_datum(writer, enc,
(avro_schema_to_link(writers_schema))->to,
datum);
}
switch (avro_typeof(datum)) {
case AVRO_NULL:
return enc->write_null(writer);
case AVRO_BOOLEAN:
return enc->write_boolean(writer,
avro_datum_to_boolean(datum)->i);
case AVRO_STRING:
return enc->write_string(writer,
avro_datum_to_string(datum)->s);
case AVRO_BYTES:
return enc->write_bytes(writer,
avro_datum_to_bytes(datum)->bytes,
avro_datum_to_bytes(datum)->size);
case AVRO_INT32:
case AVRO_INT64:{
int64_t val = avro_typeof(datum) == AVRO_INT32 ?
avro_datum_to_int32(datum)->i32 :
avro_datum_to_int64(datum)->i64;
if (is_avro_schema(writers_schema)) {
/* handle promotion */
if (is_avro_float(writers_schema)) {
return enc->write_float(writer,
(float)val);
} else if (is_avro_double(writers_schema)) {
return enc->write_double(writer,
(double)val);
}
}
return enc->write_long(writer, val);
}
case AVRO_FLOAT:{
float val = avro_datum_to_float(datum)->f;
if (is_avro_schema(writers_schema)
&& is_avro_double(writers_schema)) {
/* handle promotion */
return enc->write_double(writer, (double)val);
}
return enc->write_float(writer, val);
}
case AVRO_DOUBLE:
return enc->write_double(writer,
avro_datum_to_double(datum)->d);
case AVRO_RECORD:
return write_record(writer, enc,
avro_schema_to_record(writers_schema),
datum);
case AVRO_ENUM:
return write_enum(writer, enc,
avro_schema_to_enum(writers_schema),
avro_datum_to_enum(datum));
case AVRO_FIXED:
return avro_write(writer,
avro_datum_to_fixed(datum)->bytes,
avro_datum_to_fixed(datum)->size);
case AVRO_MAP:
return write_map(writer, enc,
avro_schema_to_map(writers_schema),
avro_datum_to_map(datum));
case AVRO_ARRAY:
return write_array(writer, enc,
avro_schema_to_array(writers_schema),
avro_datum_to_array(datum));
case AVRO_UNION:
return write_union(writer, enc,
avro_schema_to_union(writers_schema),
avro_datum_to_union(datum));
case AVRO_LINK:
break;
}
return 0;
}
