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Merge pull request #257 from Kiraub/master
Add decoder for func type
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| package decoder | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "unsafe" | ||
|
|
||
| "github.com/goccy/go-json/internal/errors" | ||
| "github.com/goccy/go-json/internal/runtime" | ||
| ) | ||
|
|
||
| type funcDecoder struct { | ||
| typ *runtime.Type | ||
| structName string | ||
| fieldName string | ||
| } | ||
|
|
||
| func newFuncDecoder(typ *runtime.Type, structName, fieldName string) *funcDecoder { | ||
| fnDecoder := &funcDecoder{typ, structName, fieldName} | ||
| return fnDecoder | ||
| } | ||
|
|
||
| func (d *funcDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error { | ||
| s.skipWhiteSpace() | ||
| start := s.cursor | ||
| if err := s.skipValue(depth); err != nil { | ||
| return err | ||
| } | ||
| src := s.buf[start:s.cursor] | ||
| if len(src) > 0 { | ||
| switch src[0] { | ||
| case '"': | ||
| return &errors.UnmarshalTypeError{ | ||
| Value: "string", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: s.totalOffset(), | ||
| } | ||
| case '[': | ||
| return &errors.UnmarshalTypeError{ | ||
| Value: "array", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: s.totalOffset(), | ||
| } | ||
| case '{': | ||
| return &errors.UnmarshalTypeError{ | ||
| Value: "object", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: s.totalOffset(), | ||
| } | ||
| case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': | ||
| return &errors.UnmarshalTypeError{ | ||
| Value: "number", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: s.totalOffset(), | ||
| } | ||
| case 'n': | ||
| if err := nullBytes(s); err != nil { | ||
| return err | ||
| } | ||
| *(*unsafe.Pointer)(p) = nil | ||
| return nil | ||
| case 't': | ||
| if err := trueBytes(s); err == nil { | ||
| return &errors.UnmarshalTypeError{ | ||
| Value: "boolean", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: s.totalOffset(), | ||
| } | ||
| } | ||
| case 'f': | ||
| if err := falseBytes(s); err == nil { | ||
| return &errors.UnmarshalTypeError{ | ||
| Value: "boolean", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: s.totalOffset(), | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return errors.ErrNotAtBeginningOfValue(start) | ||
| } | ||
|
|
||
| func (d *funcDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) { | ||
| buf := ctx.Buf | ||
| cursor = skipWhiteSpace(buf, cursor) | ||
| start := cursor | ||
| end, err := skipValue(buf, cursor, depth) | ||
| if err != nil { | ||
| return 0, err | ||
| } | ||
| src := buf[start:end] | ||
| if len(src) > 0 { | ||
| switch src[0] { | ||
| case '"': | ||
| return 0, &errors.UnmarshalTypeError{ | ||
| Value: "string", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: start, | ||
| } | ||
| case '[': | ||
| return 0, &errors.UnmarshalTypeError{ | ||
| Value: "array", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: start, | ||
| } | ||
| case '{': | ||
| return 0, &errors.UnmarshalTypeError{ | ||
| Value: "object", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: start, | ||
| } | ||
| case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': | ||
| return 0, &errors.UnmarshalTypeError{ | ||
| Value: "number", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: start, | ||
| } | ||
| case 'n': | ||
| if bytes.Equal(src, nullbytes) { | ||
| *(*unsafe.Pointer)(p) = nil | ||
| return end, nil | ||
| } | ||
| case 't': | ||
| if err := validateTrue(buf, start); err == nil { | ||
| return 0, &errors.UnmarshalTypeError{ | ||
| Value: "boolean", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: start, | ||
| } | ||
| } | ||
| case 'f': | ||
| if err := validateFalse(buf, start); err == nil { | ||
| return 0, &errors.UnmarshalTypeError{ | ||
| Value: "boolean", | ||
| Type: runtime.RType2Type(d.typ), | ||
| Offset: start, | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return 0, errors.ErrNotAtBeginningOfValue(start) | ||
| } |