| /* |
| * 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 |
| * |
| * http://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/platform.h> |
| #include <stdlib.h> |
| |
| #include "avro/basics.h" |
| #include "avro/io.h" |
| #include "avro/value.h" |
| #include "avro_private.h" |
| #include "encoding.h" |
| |
| |
| static int |
| write_array_value(avro_writer_t writer, avro_value_t *src) |
| { |
| int rval; |
| size_t element_count; |
| check(rval, avro_value_get_size(src, &element_count)); |
| |
| if (element_count > 0) { |
| check_prefix(rval, avro_binary_encoding.write_long |
| (writer, element_count), |
| "Cannot write array block count: "); |
| |
| size_t i; |
| for (i = 0; i < element_count; i++) { |
| avro_value_t child; |
| check(rval, avro_value_get_by_index(src, i, &child, NULL)); |
| check(rval, avro_value_write(writer, &child)); |
| } |
| } |
| |
| check_prefix(rval, avro_binary_encoding.write_long(writer, 0), |
| "Cannot write array block count: "); |
| return 0; |
| } |
| |
| |
| static int |
| write_map_value(avro_writer_t writer, avro_value_t *src) |
| { |
| int rval; |
| size_t element_count; |
| check(rval, avro_value_get_size(src, &element_count)); |
| |
| if (element_count > 0) { |
| check_prefix(rval, avro_binary_encoding.write_long |
| (writer, element_count), |
| "Cannot write map block count: "); |
| |
| size_t i; |
| for (i = 0; i < element_count; i++) { |
| avro_value_t child; |
| const char *key; |
| check(rval, avro_value_get_by_index(src, i, &child, &key)); |
| check(rval, avro_binary_encoding.write_string(writer, key)); |
| check(rval, avro_value_write(writer, &child)); |
| } |
| } |
| |
| check_prefix(rval, avro_binary_encoding.write_long(writer, 0), |
| "Cannot write map block count: "); |
| return 0; |
| } |
| |
| static int |
| write_record_value(avro_writer_t writer, avro_value_t *src) |
| { |
| int rval; |
| size_t field_count; |
| check(rval, avro_value_get_size(src, &field_count)); |
| |
| size_t i; |
| for (i = 0; i < field_count; i++) { |
| avro_value_t field; |
| check(rval, avro_value_get_by_index(src, i, &field, NULL)); |
| check(rval, avro_value_write(writer, &field)); |
| } |
| |
| return 0; |
| } |
| |
| static int |
| write_union_value(avro_writer_t writer, avro_value_t *src) |
| { |
| int rval; |
| int discriminant; |
| avro_value_t branch; |
| |
| check(rval, avro_value_get_discriminant(src, &discriminant)); |
| check(rval, avro_value_get_current_branch(src, &branch)); |
| check(rval, avro_binary_encoding.write_long(writer, discriminant)); |
| return avro_value_write(writer, &branch); |
| } |
| |
| int |
| avro_value_write(avro_writer_t writer, avro_value_t *src) |
| { |
| int rval; |
| |
| switch (avro_value_get_type(src)) { |
| case AVRO_BOOLEAN: |
| { |
| int val; |
| check(rval, avro_value_get_boolean(src, &val)); |
| return avro_binary_encoding.write_boolean(writer, val); |
| } |
| |
| case AVRO_BYTES: |
| { |
| const void *buf; |
| size_t size; |
| check(rval, avro_value_get_bytes(src, &buf, &size)); |
| return avro_binary_encoding.write_bytes(writer, (const char *) buf, size); |
| } |
| |
| case AVRO_DOUBLE: |
| { |
| double val; |
| check(rval, avro_value_get_double(src, &val)); |
| return avro_binary_encoding.write_double(writer, val); |
| } |
| |
| case AVRO_FLOAT: |
| { |
| float val; |
| check(rval, avro_value_get_float(src, &val)); |
| return avro_binary_encoding.write_float(writer, val); |
| } |
| |
| case AVRO_INT32: |
| { |
| int32_t val; |
| check(rval, avro_value_get_int(src, &val)); |
| return avro_binary_encoding.write_long(writer, val); |
| } |
| |
| case AVRO_INT64: |
| { |
| int64_t val; |
| check(rval, avro_value_get_long(src, &val)); |
| return avro_binary_encoding.write_long(writer, val); |
| } |
| |
| case AVRO_NULL: |
| { |
| check(rval, avro_value_get_null(src)); |
| return avro_binary_encoding.write_null(writer); |
| } |
| |
| case AVRO_STRING: |
| { |
| const char *str; |
| size_t size; |
| check(rval, avro_value_get_string(src, &str, &size)); |
| return avro_binary_encoding.write_bytes(writer, str, size-1); |
| } |
| |
| case AVRO_ARRAY: |
| return write_array_value(writer, src); |
| |
| case AVRO_ENUM: |
| { |
| int val; |
| check(rval, avro_value_get_enum(src, &val)); |
| return avro_binary_encoding.write_long(writer, val); |
| } |
| |
| case AVRO_FIXED: |
| { |
| const void *buf; |
| size_t size; |
| check(rval, avro_value_get_fixed(src, &buf, &size)); |
| return avro_write(writer, (void *) buf, size); |
| } |
| |
| case AVRO_MAP: |
| return write_map_value(writer, src); |
| |
| case AVRO_RECORD: |
| return write_record_value(writer, src); |
| |
| case AVRO_UNION: |
| return write_union_value(writer, src); |
| |
| default: |
| { |
| avro_set_error("Unknown schema type"); |
| return EINVAL; |
| } |
| } |
| |
| return 0; |
| } |