Scott Baker | e7144bc | 2019-10-01 14:16:47 -0700 | [diff] [blame^] | 1 | package jsoniter |
| 2 | |
| 3 | import ( |
| 4 | "reflect" |
| 5 | "unsafe" |
| 6 | ) |
| 7 | |
| 8 | type arrayLazyAny struct { |
| 9 | baseAny |
| 10 | cfg *frozenConfig |
| 11 | buf []byte |
| 12 | err error |
| 13 | } |
| 14 | |
| 15 | func (any *arrayLazyAny) ValueType() ValueType { |
| 16 | return ArrayValue |
| 17 | } |
| 18 | |
| 19 | func (any *arrayLazyAny) MustBeValid() Any { |
| 20 | return any |
| 21 | } |
| 22 | |
| 23 | func (any *arrayLazyAny) LastError() error { |
| 24 | return any.err |
| 25 | } |
| 26 | |
| 27 | func (any *arrayLazyAny) ToBool() bool { |
| 28 | iter := any.cfg.BorrowIterator(any.buf) |
| 29 | defer any.cfg.ReturnIterator(iter) |
| 30 | return iter.ReadArray() |
| 31 | } |
| 32 | |
| 33 | func (any *arrayLazyAny) ToInt() int { |
| 34 | if any.ToBool() { |
| 35 | return 1 |
| 36 | } |
| 37 | return 0 |
| 38 | } |
| 39 | |
| 40 | func (any *arrayLazyAny) ToInt32() int32 { |
| 41 | if any.ToBool() { |
| 42 | return 1 |
| 43 | } |
| 44 | return 0 |
| 45 | } |
| 46 | |
| 47 | func (any *arrayLazyAny) ToInt64() int64 { |
| 48 | if any.ToBool() { |
| 49 | return 1 |
| 50 | } |
| 51 | return 0 |
| 52 | } |
| 53 | |
| 54 | func (any *arrayLazyAny) ToUint() uint { |
| 55 | if any.ToBool() { |
| 56 | return 1 |
| 57 | } |
| 58 | return 0 |
| 59 | } |
| 60 | |
| 61 | func (any *arrayLazyAny) ToUint32() uint32 { |
| 62 | if any.ToBool() { |
| 63 | return 1 |
| 64 | } |
| 65 | return 0 |
| 66 | } |
| 67 | |
| 68 | func (any *arrayLazyAny) ToUint64() uint64 { |
| 69 | if any.ToBool() { |
| 70 | return 1 |
| 71 | } |
| 72 | return 0 |
| 73 | } |
| 74 | |
| 75 | func (any *arrayLazyAny) ToFloat32() float32 { |
| 76 | if any.ToBool() { |
| 77 | return 1 |
| 78 | } |
| 79 | return 0 |
| 80 | } |
| 81 | |
| 82 | func (any *arrayLazyAny) ToFloat64() float64 { |
| 83 | if any.ToBool() { |
| 84 | return 1 |
| 85 | } |
| 86 | return 0 |
| 87 | } |
| 88 | |
| 89 | func (any *arrayLazyAny) ToString() string { |
| 90 | return *(*string)(unsafe.Pointer(&any.buf)) |
| 91 | } |
| 92 | |
| 93 | func (any *arrayLazyAny) ToVal(val interface{}) { |
| 94 | iter := any.cfg.BorrowIterator(any.buf) |
| 95 | defer any.cfg.ReturnIterator(iter) |
| 96 | iter.ReadVal(val) |
| 97 | } |
| 98 | |
| 99 | func (any *arrayLazyAny) Get(path ...interface{}) Any { |
| 100 | if len(path) == 0 { |
| 101 | return any |
| 102 | } |
| 103 | switch firstPath := path[0].(type) { |
| 104 | case int: |
| 105 | iter := any.cfg.BorrowIterator(any.buf) |
| 106 | defer any.cfg.ReturnIterator(iter) |
| 107 | valueBytes := locateArrayElement(iter, firstPath) |
| 108 | if valueBytes == nil { |
| 109 | return newInvalidAny(path) |
| 110 | } |
| 111 | iter.ResetBytes(valueBytes) |
| 112 | return locatePath(iter, path[1:]) |
| 113 | case int32: |
| 114 | if '*' == firstPath { |
| 115 | iter := any.cfg.BorrowIterator(any.buf) |
| 116 | defer any.cfg.ReturnIterator(iter) |
| 117 | arr := make([]Any, 0) |
| 118 | iter.ReadArrayCB(func(iter *Iterator) bool { |
| 119 | found := iter.readAny().Get(path[1:]...) |
| 120 | if found.ValueType() != InvalidValue { |
| 121 | arr = append(arr, found) |
| 122 | } |
| 123 | return true |
| 124 | }) |
| 125 | return wrapArray(arr) |
| 126 | } |
| 127 | return newInvalidAny(path) |
| 128 | default: |
| 129 | return newInvalidAny(path) |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | func (any *arrayLazyAny) Size() int { |
| 134 | size := 0 |
| 135 | iter := any.cfg.BorrowIterator(any.buf) |
| 136 | defer any.cfg.ReturnIterator(iter) |
| 137 | iter.ReadArrayCB(func(iter *Iterator) bool { |
| 138 | size++ |
| 139 | iter.Skip() |
| 140 | return true |
| 141 | }) |
| 142 | return size |
| 143 | } |
| 144 | |
| 145 | func (any *arrayLazyAny) WriteTo(stream *Stream) { |
| 146 | stream.Write(any.buf) |
| 147 | } |
| 148 | |
| 149 | func (any *arrayLazyAny) GetInterface() interface{} { |
| 150 | iter := any.cfg.BorrowIterator(any.buf) |
| 151 | defer any.cfg.ReturnIterator(iter) |
| 152 | return iter.Read() |
| 153 | } |
| 154 | |
| 155 | type arrayAny struct { |
| 156 | baseAny |
| 157 | val reflect.Value |
| 158 | } |
| 159 | |
| 160 | func wrapArray(val interface{}) *arrayAny { |
| 161 | return &arrayAny{baseAny{}, reflect.ValueOf(val)} |
| 162 | } |
| 163 | |
| 164 | func (any *arrayAny) ValueType() ValueType { |
| 165 | return ArrayValue |
| 166 | } |
| 167 | |
| 168 | func (any *arrayAny) MustBeValid() Any { |
| 169 | return any |
| 170 | } |
| 171 | |
| 172 | func (any *arrayAny) LastError() error { |
| 173 | return nil |
| 174 | } |
| 175 | |
| 176 | func (any *arrayAny) ToBool() bool { |
| 177 | return any.val.Len() != 0 |
| 178 | } |
| 179 | |
| 180 | func (any *arrayAny) ToInt() int { |
| 181 | if any.val.Len() == 0 { |
| 182 | return 0 |
| 183 | } |
| 184 | return 1 |
| 185 | } |
| 186 | |
| 187 | func (any *arrayAny) ToInt32() int32 { |
| 188 | if any.val.Len() == 0 { |
| 189 | return 0 |
| 190 | } |
| 191 | return 1 |
| 192 | } |
| 193 | |
| 194 | func (any *arrayAny) ToInt64() int64 { |
| 195 | if any.val.Len() == 0 { |
| 196 | return 0 |
| 197 | } |
| 198 | return 1 |
| 199 | } |
| 200 | |
| 201 | func (any *arrayAny) ToUint() uint { |
| 202 | if any.val.Len() == 0 { |
| 203 | return 0 |
| 204 | } |
| 205 | return 1 |
| 206 | } |
| 207 | |
| 208 | func (any *arrayAny) ToUint32() uint32 { |
| 209 | if any.val.Len() == 0 { |
| 210 | return 0 |
| 211 | } |
| 212 | return 1 |
| 213 | } |
| 214 | |
| 215 | func (any *arrayAny) ToUint64() uint64 { |
| 216 | if any.val.Len() == 0 { |
| 217 | return 0 |
| 218 | } |
| 219 | return 1 |
| 220 | } |
| 221 | |
| 222 | func (any *arrayAny) ToFloat32() float32 { |
| 223 | if any.val.Len() == 0 { |
| 224 | return 0 |
| 225 | } |
| 226 | return 1 |
| 227 | } |
| 228 | |
| 229 | func (any *arrayAny) ToFloat64() float64 { |
| 230 | if any.val.Len() == 0 { |
| 231 | return 0 |
| 232 | } |
| 233 | return 1 |
| 234 | } |
| 235 | |
| 236 | func (any *arrayAny) ToString() string { |
| 237 | str, _ := MarshalToString(any.val.Interface()) |
| 238 | return str |
| 239 | } |
| 240 | |
| 241 | func (any *arrayAny) Get(path ...interface{}) Any { |
| 242 | if len(path) == 0 { |
| 243 | return any |
| 244 | } |
| 245 | switch firstPath := path[0].(type) { |
| 246 | case int: |
| 247 | if firstPath < 0 || firstPath >= any.val.Len() { |
| 248 | return newInvalidAny(path) |
| 249 | } |
| 250 | return Wrap(any.val.Index(firstPath).Interface()) |
| 251 | case int32: |
| 252 | if '*' == firstPath { |
| 253 | mappedAll := make([]Any, 0) |
| 254 | for i := 0; i < any.val.Len(); i++ { |
| 255 | mapped := Wrap(any.val.Index(i).Interface()).Get(path[1:]...) |
| 256 | if mapped.ValueType() != InvalidValue { |
| 257 | mappedAll = append(mappedAll, mapped) |
| 258 | } |
| 259 | } |
| 260 | return wrapArray(mappedAll) |
| 261 | } |
| 262 | return newInvalidAny(path) |
| 263 | default: |
| 264 | return newInvalidAny(path) |
| 265 | } |
| 266 | } |
| 267 | |
| 268 | func (any *arrayAny) Size() int { |
| 269 | return any.val.Len() |
| 270 | } |
| 271 | |
| 272 | func (any *arrayAny) WriteTo(stream *Stream) { |
| 273 | stream.WriteVal(any.val) |
| 274 | } |
| 275 | |
| 276 | func (any *arrayAny) GetInterface() interface{} { |
| 277 | return any.val.Interface() |
| 278 | } |