1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to you under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * https://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 14 * implied. See the License for the specific language governing 15 * permissions and limitations under the License. 16 */ 17 18 #ifndef AVRO_DATUM_H 19 #define AVRO_DATUM_H 20 #include <avro/platform.h> 21 #include "avro/basics.h" 22 #include "avro/data.h" 23 #include "avro/legacy.h" 24 #include "avro/schema.h" 25 #include "avro_private.h" 26 #include "st.h" 27 28 struct avro_string_datum_t { 29 struct avro_obj_t obj; 30 char *s; 31 int64_t size; 32 avro_free_func_t free; 33 }; 34 35 struct avro_bytes_datum_t { 36 struct avro_obj_t obj; 37 char *bytes; 38 int64_t size; 39 avro_free_func_t free; 40 }; 41 42 struct avro_int32_datum_t { 43 struct avro_obj_t obj; 44 int32_t i32; 45 }; 46 47 struct avro_int64_datum_t { 48 struct avro_obj_t obj; 49 int64_t i64; 50 }; 51 52 struct avro_float_datum_t { 53 struct avro_obj_t obj; 54 float f; 55 }; 56 57 struct avro_double_datum_t { 58 struct avro_obj_t obj; 59 double d; 60 }; 61 62 struct avro_boolean_datum_t { 63 struct avro_obj_t obj; 64 int8_t i; 65 }; 66 67 struct avro_fixed_datum_t { 68 struct avro_obj_t obj; 69 avro_schema_t schema; 70 char *bytes; 71 int64_t size; 72 avro_free_func_t free; 73 }; 74 75 struct avro_map_datum_t { 76 struct avro_obj_t obj; 77 avro_schema_t schema; 78 st_table *map; 79 st_table *indices_by_key; 80 st_table *keys_by_index; 81 }; 82 83 struct avro_record_datum_t { 84 struct avro_obj_t obj; 85 avro_schema_t schema; 86 st_table *field_order; 87 st_table *fields_byname; 88 }; 89 90 struct avro_enum_datum_t { 91 struct avro_obj_t obj; 92 avro_schema_t schema; 93 int value; 94 }; 95 96 struct avro_array_datum_t { 97 struct avro_obj_t obj; 98 avro_schema_t schema; 99 st_table *els; 100 }; 101 102 struct avro_union_datum_t { 103 struct avro_obj_t obj; 104 avro_schema_t schema; 105 int64_t discriminant; 106 avro_datum_t value; 107 }; 108 109 #define avro_datum_to_string(datum_) (container_of(datum_, struct avro_string_datum_t, obj)) 110 #define avro_datum_to_bytes(datum_) (container_of(datum_, struct avro_bytes_datum_t, obj)) 111 #define avro_datum_to_int32(datum_) (container_of(datum_, struct avro_int32_datum_t, obj)) 112 #define avro_datum_to_int64(datum_) (container_of(datum_, struct avro_int64_datum_t, obj)) 113 #define avro_datum_to_float(datum_) (container_of(datum_, struct avro_float_datum_t, obj)) 114 #define avro_datum_to_double(datum_) (container_of(datum_, struct avro_double_datum_t, obj)) 115 #define avro_datum_to_boolean(datum_) (container_of(datum_, struct avro_boolean_datum_t, obj)) 116 #define avro_datum_to_fixed(datum_) (container_of(datum_, struct avro_fixed_datum_t, obj)) 117 #define avro_datum_to_map(datum_) (container_of(datum_, struct avro_map_datum_t, obj)) 118 #define avro_datum_to_record(datum_) (container_of(datum_, struct avro_record_datum_t, obj)) 119 #define avro_datum_to_enum(datum_) (container_of(datum_, struct avro_enum_datum_t, obj)) 120 #define avro_datum_to_array(datum_) (container_of(datum_, struct avro_array_datum_t, obj)) 121 #define avro_datum_to_union(datum_) (container_of(datum_, struct avro_union_datum_t, obj)) 122 123 #endif 124