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| author | Rutger Broekhoff | 2023-12-29 21:31:53 +0100 |
|---|---|---|
| committer | Rutger Broekhoff | 2023-12-29 21:31:53 +0100 |
| commit | 404aeae4545d2426c089a5f8d5e82dae56f5212b (patch) | |
| tree | 2d84e00af272b39fc04f3795ae06bc48970e57b5 /vendor/github.com/json-iterator/go/reflect_struct_encoder.go | |
| parent | 209d8b0187ed025dec9ac149ebcced3462877bff (diff) | |
| download | gitolfs3-404aeae4545d2426c089a5f8d5e82dae56f5212b.tar.gz gitolfs3-404aeae4545d2426c089a5f8d5e82dae56f5212b.zip | |
Make Nix builds work
Diffstat (limited to 'vendor/github.com/json-iterator/go/reflect_struct_encoder.go')
| -rw-r--r-- | vendor/github.com/json-iterator/go/reflect_struct_encoder.go | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/vendor/github.com/json-iterator/go/reflect_struct_encoder.go b/vendor/github.com/json-iterator/go/reflect_struct_encoder.go new file mode 100644 index 0000000..152e3ef --- /dev/null +++ b/vendor/github.com/json-iterator/go/reflect_struct_encoder.go | |||
| @@ -0,0 +1,211 @@ | |||
| 1 | package jsoniter | ||
| 2 | |||
| 3 | import ( | ||
| 4 | "fmt" | ||
| 5 | "github.com/modern-go/reflect2" | ||
| 6 | "io" | ||
| 7 | "reflect" | ||
| 8 | "unsafe" | ||
| 9 | ) | ||
| 10 | |||
| 11 | func encoderOfStruct(ctx *ctx, typ reflect2.Type) ValEncoder { | ||
| 12 | type bindingTo struct { | ||
| 13 | binding *Binding | ||
| 14 | toName string | ||
| 15 | ignored bool | ||
| 16 | } | ||
| 17 | orderedBindings := []*bindingTo{} | ||
| 18 | structDescriptor := describeStruct(ctx, typ) | ||
| 19 | for _, binding := range structDescriptor.Fields { | ||
| 20 | for _, toName := range binding.ToNames { | ||
| 21 | new := &bindingTo{ | ||
| 22 | binding: binding, | ||
| 23 | toName: toName, | ||
| 24 | } | ||
| 25 | for _, old := range orderedBindings { | ||
| 26 | if old.toName != toName { | ||
| 27 | continue | ||
| 28 | } | ||
| 29 | old.ignored, new.ignored = resolveConflictBinding(ctx.frozenConfig, old.binding, new.binding) | ||
| 30 | } | ||
| 31 | orderedBindings = append(orderedBindings, new) | ||
| 32 | } | ||
| 33 | } | ||
| 34 | if len(orderedBindings) == 0 { | ||
| 35 | return &emptyStructEncoder{} | ||
| 36 | } | ||
| 37 | finalOrderedFields := []structFieldTo{} | ||
| 38 | for _, bindingTo := range orderedBindings { | ||
| 39 | if !bindingTo.ignored { | ||
| 40 | finalOrderedFields = append(finalOrderedFields, structFieldTo{ | ||
| 41 | encoder: bindingTo.binding.Encoder.(*structFieldEncoder), | ||
| 42 | toName: bindingTo.toName, | ||
| 43 | }) | ||
| 44 | } | ||
| 45 | } | ||
| 46 | return &structEncoder{typ, finalOrderedFields} | ||
| 47 | } | ||
| 48 | |||
| 49 | func createCheckIsEmpty(ctx *ctx, typ reflect2.Type) checkIsEmpty { | ||
| 50 | encoder := createEncoderOfNative(ctx, typ) | ||
| 51 | if encoder != nil { | ||
| 52 | return encoder | ||
| 53 | } | ||
| 54 | kind := typ.Kind() | ||
| 55 | switch kind { | ||
| 56 | case reflect.Interface: | ||
| 57 | return &dynamicEncoder{typ} | ||
| 58 | case reflect.Struct: | ||
| 59 | return &structEncoder{typ: typ} | ||
| 60 | case reflect.Array: | ||
| 61 | return &arrayEncoder{} | ||
| 62 | case reflect.Slice: | ||
| 63 | return &sliceEncoder{} | ||
| 64 | case reflect.Map: | ||
| 65 | return encoderOfMap(ctx, typ) | ||
| 66 | case reflect.Ptr: | ||
| 67 | return &OptionalEncoder{} | ||
| 68 | default: | ||
| 69 | return &lazyErrorEncoder{err: fmt.Errorf("unsupported type: %v", typ)} | ||
| 70 | } | ||
| 71 | } | ||
| 72 | |||
| 73 | func resolveConflictBinding(cfg *frozenConfig, old, new *Binding) (ignoreOld, ignoreNew bool) { | ||
| 74 | newTagged := new.Field.Tag().Get(cfg.getTagKey()) != "" | ||
| 75 | oldTagged := old.Field.Tag().Get(cfg.getTagKey()) != "" | ||
| 76 | if newTagged { | ||
| 77 | if oldTagged { | ||
| 78 | if len(old.levels) > len(new.levels) { | ||
| 79 | return true, false | ||
| 80 | } else if len(new.levels) > len(old.levels) { | ||
| 81 | return false, true | ||
| 82 | } else { | ||
| 83 | return true, true | ||
| 84 | } | ||
| 85 | } else { | ||
| 86 | return true, false | ||
| 87 | } | ||
| 88 | } else { | ||
| 89 | if oldTagged { | ||
| 90 | return true, false | ||
| 91 | } | ||
| 92 | if len(old.levels) > len(new.levels) { | ||
| 93 | return true, false | ||
| 94 | } else if len(new.levels) > len(old.levels) { | ||
| 95 | return false, true | ||
| 96 | } else { | ||
| 97 | return true, true | ||
| 98 | } | ||
| 99 | } | ||
| 100 | } | ||
| 101 | |||
| 102 | type structFieldEncoder struct { | ||
| 103 | field reflect2.StructField | ||
| 104 | fieldEncoder ValEncoder | ||
| 105 | omitempty bool | ||
| 106 | } | ||
| 107 | |||
| 108 | func (encoder *structFieldEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { | ||
| 109 | fieldPtr := encoder.field.UnsafeGet(ptr) | ||
| 110 | encoder.fieldEncoder.Encode(fieldPtr, stream) | ||
| 111 | if stream.Error != nil && stream.Error != io.EOF { | ||
| 112 | stream.Error = fmt.Errorf("%s: %s", encoder.field.Name(), stream.Error.Error()) | ||
| 113 | } | ||
| 114 | } | ||
| 115 | |||
| 116 | func (encoder *structFieldEncoder) IsEmpty(ptr unsafe.Pointer) bool { | ||
| 117 | fieldPtr := encoder.field.UnsafeGet(ptr) | ||
| 118 | return encoder.fieldEncoder.IsEmpty(fieldPtr) | ||
| 119 | } | ||
| 120 | |||
| 121 | func (encoder *structFieldEncoder) IsEmbeddedPtrNil(ptr unsafe.Pointer) bool { | ||
| 122 | isEmbeddedPtrNil, converted := encoder.fieldEncoder.(IsEmbeddedPtrNil) | ||
| 123 | if !converted { | ||
| 124 | return false | ||
| 125 | } | ||
| 126 | fieldPtr := encoder.field.UnsafeGet(ptr) | ||
| 127 | return isEmbeddedPtrNil.IsEmbeddedPtrNil(fieldPtr) | ||
| 128 | } | ||
| 129 | |||
| 130 | type IsEmbeddedPtrNil interface { | ||
| 131 | IsEmbeddedPtrNil(ptr unsafe.Pointer) bool | ||
| 132 | } | ||
| 133 | |||
| 134 | type structEncoder struct { | ||
| 135 | typ reflect2.Type | ||
| 136 | fields []structFieldTo | ||
| 137 | } | ||
| 138 | |||
| 139 | type structFieldTo struct { | ||
| 140 | encoder *structFieldEncoder | ||
| 141 | toName string | ||
| 142 | } | ||
| 143 | |||
| 144 | func (encoder *structEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { | ||
| 145 | stream.WriteObjectStart() | ||
| 146 | isNotFirst := false | ||
| 147 | for _, field := range encoder.fields { | ||
| 148 | if field.encoder.omitempty && field.encoder.IsEmpty(ptr) { | ||
| 149 | continue | ||
| 150 | } | ||
| 151 | if field.encoder.IsEmbeddedPtrNil(ptr) { | ||
| 152 | continue | ||
| 153 | } | ||
| 154 | if isNotFirst { | ||
| 155 | stream.WriteMore() | ||
| 156 | } | ||
| 157 | stream.WriteObjectField(field.toName) | ||
| 158 | field.encoder.Encode(ptr, stream) | ||
| 159 | isNotFirst = true | ||
| 160 | } | ||
| 161 | stream.WriteObjectEnd() | ||
| 162 | if stream.Error != nil && stream.Error != io.EOF { | ||
| 163 | stream.Error = fmt.Errorf("%v.%s", encoder.typ, stream.Error.Error()) | ||
| 164 | } | ||
| 165 | } | ||
| 166 | |||
| 167 | func (encoder *structEncoder) IsEmpty(ptr unsafe.Pointer) bool { | ||
| 168 | return false | ||
| 169 | } | ||
| 170 | |||
| 171 | type emptyStructEncoder struct { | ||
| 172 | } | ||
| 173 | |||
| 174 | func (encoder *emptyStructEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { | ||
| 175 | stream.WriteEmptyObject() | ||
| 176 | } | ||
| 177 | |||
| 178 | func (encoder *emptyStructEncoder) IsEmpty(ptr unsafe.Pointer) bool { | ||
| 179 | return false | ||
| 180 | } | ||
| 181 | |||
| 182 | type stringModeNumberEncoder struct { | ||
| 183 | elemEncoder ValEncoder | ||
| 184 | } | ||
| 185 | |||
| 186 | func (encoder *stringModeNumberEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { | ||
| 187 | stream.writeByte('"') | ||
| 188 | encoder.elemEncoder.Encode(ptr, stream) | ||
| 189 | stream.writeByte('"') | ||
| 190 | } | ||
| 191 | |||
| 192 | func (encoder *stringModeNumberEncoder) IsEmpty(ptr unsafe.Pointer) bool { | ||
| 193 | return encoder.elemEncoder.IsEmpty(ptr) | ||
| 194 | } | ||
| 195 | |||
| 196 | type stringModeStringEncoder struct { | ||
| 197 | elemEncoder ValEncoder | ||
| 198 | cfg *frozenConfig | ||
| 199 | } | ||
| 200 | |||
| 201 | func (encoder *stringModeStringEncoder) Encode(ptr unsafe.Pointer, stream *Stream) { | ||
| 202 | tempStream := encoder.cfg.BorrowStream(nil) | ||
| 203 | tempStream.Attachment = stream.Attachment | ||
| 204 | defer encoder.cfg.ReturnStream(tempStream) | ||
| 205 | encoder.elemEncoder.Encode(ptr, tempStream) | ||
| 206 | stream.WriteString(string(tempStream.Buffer())) | ||
| 207 | } | ||
| 208 | |||
| 209 | func (encoder *stringModeStringEncoder) IsEmpty(ptr unsafe.Pointer) bool { | ||
| 210 | return encoder.elemEncoder.IsEmpty(ptr) | ||
| 211 | } | ||