diff options
Diffstat (limited to 'vendor/github.com/goccy/go-json/internal/decoder/func.go')
-rw-r--r-- | vendor/github.com/goccy/go-json/internal/decoder/func.go | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/vendor/github.com/goccy/go-json/internal/decoder/func.go b/vendor/github.com/goccy/go-json/internal/decoder/func.go new file mode 100644 index 000000000..ee3563711 --- /dev/null +++ b/vendor/github.com/goccy/go-json/internal/decoder/func.go @@ -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.ErrInvalidBeginningOfValue(s.buf[s.cursor], s.totalOffset()) +} + +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 cursor, errors.ErrInvalidBeginningOfValue(buf[cursor], cursor) +} |