diff options
author | 2021-09-10 14:42:14 +0200 | |
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committer | 2021-09-10 14:42:14 +0200 | |
commit | f2e5bedea6fb93fbbf68ed8f7153c353cc57a9f0 (patch) | |
tree | 475ae9e7470d0df670ab2a59dce351cd1d07498a /vendor/github.com/goccy/go-json/decode_interface.go | |
parent | fixes + db changes (#204) (diff) | |
download | gotosocial-f2e5bedea6fb93fbbf68ed8f7153c353cc57a9f0.tar.xz |
migrate go version to 1.17 (#203)
* migrate go version to 1.17
* update contributing
Diffstat (limited to 'vendor/github.com/goccy/go-json/decode_interface.go')
-rw-r--r-- | vendor/github.com/goccy/go-json/decode_interface.go | 410 |
1 files changed, 0 insertions, 410 deletions
diff --git a/vendor/github.com/goccy/go-json/decode_interface.go b/vendor/github.com/goccy/go-json/decode_interface.go deleted file mode 100644 index e7e96b804..000000000 --- a/vendor/github.com/goccy/go-json/decode_interface.go +++ /dev/null @@ -1,410 +0,0 @@ -package json - -import ( - "bytes" - "encoding" - "reflect" - "unsafe" -) - -type interfaceDecoder struct { - typ *rtype - structName string - fieldName string - sliceDecoder *sliceDecoder - mapDecoder *mapDecoder - floatDecoder *floatDecoder - numberDecoder *numberDecoder - stringDecoder *stringDecoder -} - -func newEmptyInterfaceDecoder(structName, fieldName string) *interfaceDecoder { - ifaceDecoder := &interfaceDecoder{ - typ: emptyInterfaceType, - structName: structName, - fieldName: fieldName, - floatDecoder: newFloatDecoder(structName, fieldName, func(p unsafe.Pointer, v float64) { - *(*interface{})(p) = v - }), - numberDecoder: newNumberDecoder(structName, fieldName, func(p unsafe.Pointer, v Number) { - *(*interface{})(p) = v - }), - stringDecoder: newStringDecoder(structName, fieldName), - } - ifaceDecoder.sliceDecoder = newSliceDecoder( - ifaceDecoder, - emptyInterfaceType, - emptyInterfaceType.Size(), - structName, fieldName, - ) - ifaceDecoder.mapDecoder = newMapDecoder( - interfaceMapType, - stringType, - ifaceDecoder.stringDecoder, - interfaceMapType.Elem(), - ifaceDecoder, - structName, - fieldName, - ) - return ifaceDecoder -} - -func newInterfaceDecoder(typ *rtype, structName, fieldName string) *interfaceDecoder { - emptyIfaceDecoder := newEmptyInterfaceDecoder(structName, fieldName) - stringDecoder := newStringDecoder(structName, fieldName) - return &interfaceDecoder{ - typ: typ, - structName: structName, - fieldName: fieldName, - sliceDecoder: newSliceDecoder( - emptyIfaceDecoder, - emptyInterfaceType, - emptyInterfaceType.Size(), - structName, fieldName, - ), - mapDecoder: newMapDecoder( - interfaceMapType, - stringType, - stringDecoder, - interfaceMapType.Elem(), - emptyIfaceDecoder, - structName, - fieldName, - ), - floatDecoder: newFloatDecoder(structName, fieldName, func(p unsafe.Pointer, v float64) { - *(*interface{})(p) = v - }), - numberDecoder: newNumberDecoder(structName, fieldName, func(p unsafe.Pointer, v Number) { - *(*interface{})(p) = v - }), - stringDecoder: stringDecoder, - } -} - -func (d *interfaceDecoder) numDecoder(s *stream) decoder { - if s.useNumber { - return d.numberDecoder - } - return d.floatDecoder -} - -var ( - emptyInterfaceType = type2rtype(reflect.TypeOf((*interface{})(nil)).Elem()) - interfaceMapType = type2rtype( - reflect.TypeOf((*map[string]interface{})(nil)).Elem(), - ) - stringType = type2rtype( - reflect.TypeOf(""), - ) -) - -func decodeStreamUnmarshaler(s *stream, depth int64, unmarshaler Unmarshaler) error { - start := s.cursor - if err := s.skipValue(depth); err != nil { - return err - } - src := s.buf[start:s.cursor] - dst := make([]byte, len(src)) - copy(dst, src) - - if err := unmarshaler.UnmarshalJSON(dst); err != nil { - return err - } - return nil -} - -func decodeUnmarshaler(buf []byte, cursor, depth int64, unmarshaler Unmarshaler) (int64, error) { - cursor = skipWhiteSpace(buf, cursor) - start := cursor - end, err := skipValue(buf, cursor, depth) - if err != nil { - return 0, err - } - src := buf[start:end] - dst := make([]byte, len(src)) - copy(dst, src) - - if err := unmarshaler.UnmarshalJSON(dst); err != nil { - return 0, err - } - return end, nil -} - -func decodeStreamTextUnmarshaler(s *stream, depth int64, unmarshaler encoding.TextUnmarshaler, p unsafe.Pointer) error { - start := s.cursor - if err := s.skipValue(depth); err != nil { - return err - } - src := s.buf[start:s.cursor] - if bytes.Equal(src, nullbytes) { - *(*unsafe.Pointer)(p) = nil - return nil - } - - dst := make([]byte, len(src)) - copy(dst, src) - - if err := unmarshaler.UnmarshalText(dst); err != nil { - return err - } - return nil -} - -func decodeTextUnmarshaler(buf []byte, cursor, depth int64, unmarshaler encoding.TextUnmarshaler, p unsafe.Pointer) (int64, error) { - cursor = skipWhiteSpace(buf, cursor) - start := cursor - end, err := skipValue(buf, cursor, depth) - if err != nil { - return 0, err - } - src := buf[start:end] - if bytes.Equal(src, nullbytes) { - *(*unsafe.Pointer)(p) = nil - return end, nil - } - if s, ok := unquoteBytes(src); ok { - src = s - } - if err := unmarshaler.UnmarshalText(src); err != nil { - return 0, err - } - return end, nil -} - -func (d *interfaceDecoder) decodeStreamEmptyInterface(s *stream, depth int64, p unsafe.Pointer) error { - s.skipWhiteSpace() - for { - switch s.char() { - case '{': - var v map[string]interface{} - ptr := unsafe.Pointer(&v) - if err := d.mapDecoder.decodeStream(s, depth, ptr); err != nil { - return err - } - *(*interface{})(p) = v - return nil - case '[': - var v []interface{} - ptr := unsafe.Pointer(&v) - if err := d.sliceDecoder.decodeStream(s, depth, ptr); err != nil { - return err - } - *(*interface{})(p) = v - return nil - case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': - return d.numDecoder(s).decodeStream(s, depth, p) - case '"': - s.cursor++ - start := s.cursor - for { - switch s.char() { - case '\\': - if err := decodeEscapeString(s); err != nil { - return err - } - case '"': - literal := s.buf[start:s.cursor] - s.cursor++ - *(*interface{})(p) = string(literal) - return nil - case nul: - if s.read() { - continue - } - return errUnexpectedEndOfJSON("string", s.totalOffset()) - } - s.cursor++ - } - case 't': - if err := trueBytes(s); err != nil { - return err - } - **(**interface{})(unsafe.Pointer(&p)) = true - return nil - case 'f': - if err := falseBytes(s); err != nil { - return err - } - **(**interface{})(unsafe.Pointer(&p)) = false - return nil - case 'n': - if err := nullBytes(s); err != nil { - return err - } - *(*interface{})(p) = nil - return nil - case nul: - if s.read() { - continue - } - } - break - } - return errNotAtBeginningOfValue(s.totalOffset()) -} - -func (d *interfaceDecoder) decodeStream(s *stream, depth int64, p unsafe.Pointer) error { - runtimeInterfaceValue := *(*interface{})(unsafe.Pointer(&emptyInterface{ - typ: d.typ, - ptr: p, - })) - rv := reflect.ValueOf(runtimeInterfaceValue) - if rv.NumMethod() > 0 && rv.CanInterface() { - if u, ok := rv.Interface().(Unmarshaler); ok { - return decodeStreamUnmarshaler(s, depth, u) - } - if u, ok := rv.Interface().(encoding.TextUnmarshaler); ok { - return decodeStreamTextUnmarshaler(s, depth, u, p) - } - s.skipWhiteSpace() - if s.char() == 'n' { - if err := nullBytes(s); err != nil { - return err - } - *(*interface{})(p) = nil - return nil - } - return d.errUnmarshalType(rv.Type(), s.totalOffset()) - } - iface := rv.Interface() - ifaceHeader := (*emptyInterface)(unsafe.Pointer(&iface)) - typ := ifaceHeader.typ - if ifaceHeader.ptr == nil || d.typ == typ || typ == nil { - // concrete type is empty interface - return d.decodeStreamEmptyInterface(s, depth, p) - } - if typ.Kind() == reflect.Ptr && typ.Elem() == d.typ || typ.Kind() != reflect.Ptr { - return d.decodeStreamEmptyInterface(s, depth, p) - } - s.skipWhiteSpace() - if s.char() == 'n' { - if err := nullBytes(s); err != nil { - return err - } - *(*interface{})(p) = nil - return nil - } - decoder, err := decodeCompileToGetDecoder(typ) - if err != nil { - return err - } - return decoder.decodeStream(s, depth, ifaceHeader.ptr) -} - -func (d *interfaceDecoder) errUnmarshalType(typ reflect.Type, offset int64) *UnmarshalTypeError { - return &UnmarshalTypeError{ - Value: typ.String(), - Type: typ, - Offset: offset, - Struct: d.structName, - Field: d.fieldName, - } -} - -func (d *interfaceDecoder) decode(buf []byte, cursor, depth int64, p unsafe.Pointer) (int64, error) { - runtimeInterfaceValue := *(*interface{})(unsafe.Pointer(&emptyInterface{ - typ: d.typ, - ptr: p, - })) - rv := reflect.ValueOf(runtimeInterfaceValue) - if rv.NumMethod() > 0 && rv.CanInterface() { - if u, ok := rv.Interface().(Unmarshaler); ok { - return decodeUnmarshaler(buf, cursor, depth, u) - } - if u, ok := rv.Interface().(encoding.TextUnmarshaler); ok { - return decodeTextUnmarshaler(buf, cursor, depth, u, p) - } - cursor = skipWhiteSpace(buf, cursor) - if buf[cursor] == 'n' { - if err := validateNull(buf, cursor); err != nil { - return 0, err - } - cursor += 4 - **(**interface{})(unsafe.Pointer(&p)) = nil - return cursor, nil - } - return 0, d.errUnmarshalType(rv.Type(), cursor) - } - - iface := rv.Interface() - ifaceHeader := (*emptyInterface)(unsafe.Pointer(&iface)) - typ := ifaceHeader.typ - if ifaceHeader.ptr == nil || d.typ == typ || typ == nil { - // concrete type is empty interface - return d.decodeEmptyInterface(buf, cursor, depth, p) - } - if typ.Kind() == reflect.Ptr && typ.Elem() == d.typ || typ.Kind() != reflect.Ptr { - return d.decodeEmptyInterface(buf, cursor, depth, p) - } - cursor = skipWhiteSpace(buf, cursor) - if buf[cursor] == 'n' { - if err := validateNull(buf, cursor); err != nil { - return 0, err - } - cursor += 4 - **(**interface{})(unsafe.Pointer(&p)) = nil - return cursor, nil - } - decoder, err := decodeCompileToGetDecoder(typ) - if err != nil { - return 0, err - } - return decoder.decode(buf, cursor, depth, ifaceHeader.ptr) -} - -func (d *interfaceDecoder) decodeEmptyInterface(buf []byte, cursor, depth int64, p unsafe.Pointer) (int64, error) { - cursor = skipWhiteSpace(buf, cursor) - switch buf[cursor] { - case '{': - var v map[string]interface{} - ptr := unsafe.Pointer(&v) - cursor, err := d.mapDecoder.decode(buf, cursor, depth, ptr) - if err != nil { - return 0, err - } - **(**interface{})(unsafe.Pointer(&p)) = v - return cursor, nil - case '[': - var v []interface{} - ptr := unsafe.Pointer(&v) - cursor, err := d.sliceDecoder.decode(buf, cursor, depth, ptr) - if err != nil { - return 0, err - } - **(**interface{})(unsafe.Pointer(&p)) = v - return cursor, nil - case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': - return d.floatDecoder.decode(buf, cursor, depth, p) - case '"': - var v string - ptr := unsafe.Pointer(&v) - cursor, err := d.stringDecoder.decode(buf, cursor, depth, ptr) - if err != nil { - return 0, err - } - **(**interface{})(unsafe.Pointer(&p)) = v - return cursor, nil - case 't': - if err := validateTrue(buf, cursor); err != nil { - return 0, err - } - cursor += 4 - **(**interface{})(unsafe.Pointer(&p)) = true - return cursor, nil - case 'f': - if err := validateFalse(buf, cursor); err != nil { - return 0, err - } - cursor += 5 - **(**interface{})(unsafe.Pointer(&p)) = false - return cursor, nil - case 'n': - if err := validateNull(buf, cursor); err != nil { - return 0, err - } - cursor += 4 - **(**interface{})(unsafe.Pointer(&p)) = nil - return cursor, nil - } - return cursor, errNotAtBeginningOfValue(cursor) -} |