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author | 2025-03-09 17:47:56 +0100 | |
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committer | 2025-03-10 01:59:49 +0100 | |
commit | 3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch) | |
tree | f61faa581feaaeaba2542b9f2b8234a590684413 /vendor/google.golang.org/protobuf/internal/impl/convert.go | |
parent | [chore] update URLs to forked source (diff) | |
download | gotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz |
[chore] remove vendor
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/impl/convert.go')
-rw-r--r-- | vendor/google.golang.org/protobuf/internal/impl/convert.go | 495 |
1 files changed, 0 insertions, 495 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/impl/convert.go b/vendor/google.golang.org/protobuf/internal/impl/convert.go deleted file mode 100644 index f72ddd882..000000000 --- a/vendor/google.golang.org/protobuf/internal/impl/convert.go +++ /dev/null @@ -1,495 +0,0 @@ -// Copyright 2018 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package impl - -import ( - "fmt" - "reflect" - - "google.golang.org/protobuf/reflect/protoreflect" -) - -// unwrapper unwraps the value to the underlying value. -// This is implemented by List and Map. -type unwrapper interface { - protoUnwrap() any -} - -// A Converter coverts to/from Go reflect.Value types and protobuf protoreflect.Value types. -type Converter interface { - // PBValueOf converts a reflect.Value to a protoreflect.Value. - PBValueOf(reflect.Value) protoreflect.Value - - // GoValueOf converts a protoreflect.Value to a reflect.Value. - GoValueOf(protoreflect.Value) reflect.Value - - // IsValidPB returns whether a protoreflect.Value is compatible with this type. - IsValidPB(protoreflect.Value) bool - - // IsValidGo returns whether a reflect.Value is compatible with this type. - IsValidGo(reflect.Value) bool - - // New returns a new field value. - // For scalars, it returns the default value of the field. - // For composite types, it returns a new mutable value. - New() protoreflect.Value - - // Zero returns a new field value. - // For scalars, it returns the default value of the field. - // For composite types, it returns an immutable, empty value. - Zero() protoreflect.Value -} - -// NewConverter matches a Go type with a protobuf field and returns a Converter -// that converts between the two. Enums must be a named int32 kind that -// implements protoreflect.Enum, and messages must be pointer to a named -// struct type that implements protoreflect.ProtoMessage. -// -// This matcher deliberately supports a wider range of Go types than what -// protoc-gen-go historically generated to be able to automatically wrap some -// v1 messages generated by other forks of protoc-gen-go. -func NewConverter(t reflect.Type, fd protoreflect.FieldDescriptor) Converter { - switch { - case fd.IsList(): - return newListConverter(t, fd) - case fd.IsMap(): - return newMapConverter(t, fd) - default: - return newSingularConverter(t, fd) - } -} - -var ( - boolType = reflect.TypeOf(bool(false)) - int32Type = reflect.TypeOf(int32(0)) - int64Type = reflect.TypeOf(int64(0)) - uint32Type = reflect.TypeOf(uint32(0)) - uint64Type = reflect.TypeOf(uint64(0)) - float32Type = reflect.TypeOf(float32(0)) - float64Type = reflect.TypeOf(float64(0)) - stringType = reflect.TypeOf(string("")) - bytesType = reflect.TypeOf([]byte(nil)) - byteType = reflect.TypeOf(byte(0)) -) - -var ( - boolZero = protoreflect.ValueOfBool(false) - int32Zero = protoreflect.ValueOfInt32(0) - int64Zero = protoreflect.ValueOfInt64(0) - uint32Zero = protoreflect.ValueOfUint32(0) - uint64Zero = protoreflect.ValueOfUint64(0) - float32Zero = protoreflect.ValueOfFloat32(0) - float64Zero = protoreflect.ValueOfFloat64(0) - stringZero = protoreflect.ValueOfString("") - bytesZero = protoreflect.ValueOfBytes(nil) -) - -func newSingularConverter(t reflect.Type, fd protoreflect.FieldDescriptor) Converter { - defVal := func(fd protoreflect.FieldDescriptor, zero protoreflect.Value) protoreflect.Value { - if fd.Cardinality() == protoreflect.Repeated { - // Default isn't defined for repeated fields. - return zero - } - return fd.Default() - } - switch fd.Kind() { - case protoreflect.BoolKind: - if t.Kind() == reflect.Bool { - return &boolConverter{t, defVal(fd, boolZero)} - } - case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind: - if t.Kind() == reflect.Int32 { - return &int32Converter{t, defVal(fd, int32Zero)} - } - case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind: - if t.Kind() == reflect.Int64 { - return &int64Converter{t, defVal(fd, int64Zero)} - } - case protoreflect.Uint32Kind, protoreflect.Fixed32Kind: - if t.Kind() == reflect.Uint32 { - return &uint32Converter{t, defVal(fd, uint32Zero)} - } - case protoreflect.Uint64Kind, protoreflect.Fixed64Kind: - if t.Kind() == reflect.Uint64 { - return &uint64Converter{t, defVal(fd, uint64Zero)} - } - case protoreflect.FloatKind: - if t.Kind() == reflect.Float32 { - return &float32Converter{t, defVal(fd, float32Zero)} - } - case protoreflect.DoubleKind: - if t.Kind() == reflect.Float64 { - return &float64Converter{t, defVal(fd, float64Zero)} - } - case protoreflect.StringKind: - if t.Kind() == reflect.String || (t.Kind() == reflect.Slice && t.Elem() == byteType) { - return &stringConverter{t, defVal(fd, stringZero)} - } - case protoreflect.BytesKind: - if t.Kind() == reflect.String || (t.Kind() == reflect.Slice && t.Elem() == byteType) { - return &bytesConverter{t, defVal(fd, bytesZero)} - } - case protoreflect.EnumKind: - // Handle enums, which must be a named int32 type. - if t.Kind() == reflect.Int32 { - return newEnumConverter(t, fd) - } - case protoreflect.MessageKind, protoreflect.GroupKind: - return newMessageConverter(t) - } - panic(fmt.Sprintf("invalid Go type %v for field %v", t, fd.FullName())) -} - -type boolConverter struct { - goType reflect.Type - def protoreflect.Value -} - -func (c *boolConverter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - return protoreflect.ValueOfBool(v.Bool()) -} -func (c *boolConverter) GoValueOf(v protoreflect.Value) reflect.Value { - return reflect.ValueOf(v.Bool()).Convert(c.goType) -} -func (c *boolConverter) IsValidPB(v protoreflect.Value) bool { - _, ok := v.Interface().(bool) - return ok -} -func (c *boolConverter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} -func (c *boolConverter) New() protoreflect.Value { return c.def } -func (c *boolConverter) Zero() protoreflect.Value { return c.def } - -type int32Converter struct { - goType reflect.Type - def protoreflect.Value -} - -func (c *int32Converter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - return protoreflect.ValueOfInt32(int32(v.Int())) -} -func (c *int32Converter) GoValueOf(v protoreflect.Value) reflect.Value { - return reflect.ValueOf(int32(v.Int())).Convert(c.goType) -} -func (c *int32Converter) IsValidPB(v protoreflect.Value) bool { - _, ok := v.Interface().(int32) - return ok -} -func (c *int32Converter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} -func (c *int32Converter) New() protoreflect.Value { return c.def } -func (c *int32Converter) Zero() protoreflect.Value { return c.def } - -type int64Converter struct { - goType reflect.Type - def protoreflect.Value -} - -func (c *int64Converter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - return protoreflect.ValueOfInt64(int64(v.Int())) -} -func (c *int64Converter) GoValueOf(v protoreflect.Value) reflect.Value { - return reflect.ValueOf(int64(v.Int())).Convert(c.goType) -} -func (c *int64Converter) IsValidPB(v protoreflect.Value) bool { - _, ok := v.Interface().(int64) - return ok -} -func (c *int64Converter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} -func (c *int64Converter) New() protoreflect.Value { return c.def } -func (c *int64Converter) Zero() protoreflect.Value { return c.def } - -type uint32Converter struct { - goType reflect.Type - def protoreflect.Value -} - -func (c *uint32Converter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - return protoreflect.ValueOfUint32(uint32(v.Uint())) -} -func (c *uint32Converter) GoValueOf(v protoreflect.Value) reflect.Value { - return reflect.ValueOf(uint32(v.Uint())).Convert(c.goType) -} -func (c *uint32Converter) IsValidPB(v protoreflect.Value) bool { - _, ok := v.Interface().(uint32) - return ok -} -func (c *uint32Converter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} -func (c *uint32Converter) New() protoreflect.Value { return c.def } -func (c *uint32Converter) Zero() protoreflect.Value { return c.def } - -type uint64Converter struct { - goType reflect.Type - def protoreflect.Value -} - -func (c *uint64Converter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - return protoreflect.ValueOfUint64(uint64(v.Uint())) -} -func (c *uint64Converter) GoValueOf(v protoreflect.Value) reflect.Value { - return reflect.ValueOf(uint64(v.Uint())).Convert(c.goType) -} -func (c *uint64Converter) IsValidPB(v protoreflect.Value) bool { - _, ok := v.Interface().(uint64) - return ok -} -func (c *uint64Converter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} -func (c *uint64Converter) New() protoreflect.Value { return c.def } -func (c *uint64Converter) Zero() protoreflect.Value { return c.def } - -type float32Converter struct { - goType reflect.Type - def protoreflect.Value -} - -func (c *float32Converter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - return protoreflect.ValueOfFloat32(float32(v.Float())) -} -func (c *float32Converter) GoValueOf(v protoreflect.Value) reflect.Value { - return reflect.ValueOf(float32(v.Float())).Convert(c.goType) -} -func (c *float32Converter) IsValidPB(v protoreflect.Value) bool { - _, ok := v.Interface().(float32) - return ok -} -func (c *float32Converter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} -func (c *float32Converter) New() protoreflect.Value { return c.def } -func (c *float32Converter) Zero() protoreflect.Value { return c.def } - -type float64Converter struct { - goType reflect.Type - def protoreflect.Value -} - -func (c *float64Converter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - return protoreflect.ValueOfFloat64(float64(v.Float())) -} -func (c *float64Converter) GoValueOf(v protoreflect.Value) reflect.Value { - return reflect.ValueOf(float64(v.Float())).Convert(c.goType) -} -func (c *float64Converter) IsValidPB(v protoreflect.Value) bool { - _, ok := v.Interface().(float64) - return ok -} -func (c *float64Converter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} -func (c *float64Converter) New() protoreflect.Value { return c.def } -func (c *float64Converter) Zero() protoreflect.Value { return c.def } - -type stringConverter struct { - goType reflect.Type - def protoreflect.Value -} - -func (c *stringConverter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - return protoreflect.ValueOfString(v.Convert(stringType).String()) -} -func (c *stringConverter) GoValueOf(v protoreflect.Value) reflect.Value { - // protoreflect.Value.String never panics, so we go through an interface - // conversion here to check the type. - s := v.Interface().(string) - if c.goType.Kind() == reflect.Slice && s == "" { - return reflect.Zero(c.goType) // ensure empty string is []byte(nil) - } - return reflect.ValueOf(s).Convert(c.goType) -} -func (c *stringConverter) IsValidPB(v protoreflect.Value) bool { - _, ok := v.Interface().(string) - return ok -} -func (c *stringConverter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} -func (c *stringConverter) New() protoreflect.Value { return c.def } -func (c *stringConverter) Zero() protoreflect.Value { return c.def } - -type bytesConverter struct { - goType reflect.Type - def protoreflect.Value -} - -func (c *bytesConverter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - if c.goType.Kind() == reflect.String && v.Len() == 0 { - return protoreflect.ValueOfBytes(nil) // ensure empty string is []byte(nil) - } - return protoreflect.ValueOfBytes(v.Convert(bytesType).Bytes()) -} -func (c *bytesConverter) GoValueOf(v protoreflect.Value) reflect.Value { - return reflect.ValueOf(v.Bytes()).Convert(c.goType) -} -func (c *bytesConverter) IsValidPB(v protoreflect.Value) bool { - _, ok := v.Interface().([]byte) - return ok -} -func (c *bytesConverter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} -func (c *bytesConverter) New() protoreflect.Value { return c.def } -func (c *bytesConverter) Zero() protoreflect.Value { return c.def } - -type enumConverter struct { - goType reflect.Type - def protoreflect.Value -} - -func newEnumConverter(goType reflect.Type, fd protoreflect.FieldDescriptor) Converter { - var def protoreflect.Value - if fd.Cardinality() == protoreflect.Repeated { - def = protoreflect.ValueOfEnum(fd.Enum().Values().Get(0).Number()) - } else { - def = fd.Default() - } - return &enumConverter{goType, def} -} - -func (c *enumConverter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - return protoreflect.ValueOfEnum(protoreflect.EnumNumber(v.Int())) -} - -func (c *enumConverter) GoValueOf(v protoreflect.Value) reflect.Value { - return reflect.ValueOf(v.Enum()).Convert(c.goType) -} - -func (c *enumConverter) IsValidPB(v protoreflect.Value) bool { - _, ok := v.Interface().(protoreflect.EnumNumber) - return ok -} - -func (c *enumConverter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} - -func (c *enumConverter) New() protoreflect.Value { - return c.def -} - -func (c *enumConverter) Zero() protoreflect.Value { - return c.def -} - -type messageConverter struct { - goType reflect.Type -} - -func newMessageConverter(goType reflect.Type) Converter { - return &messageConverter{goType} -} - -func (c *messageConverter) PBValueOf(v reflect.Value) protoreflect.Value { - if v.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", v.Type(), c.goType)) - } - if c.isNonPointer() { - if v.CanAddr() { - v = v.Addr() // T => *T - } else { - v = reflect.Zero(reflect.PtrTo(v.Type())) - } - } - if m, ok := v.Interface().(protoreflect.ProtoMessage); ok { - return protoreflect.ValueOfMessage(m.ProtoReflect()) - } - return protoreflect.ValueOfMessage(legacyWrapMessage(v)) -} - -func (c *messageConverter) GoValueOf(v protoreflect.Value) reflect.Value { - m := v.Message() - var rv reflect.Value - if u, ok := m.(unwrapper); ok { - rv = reflect.ValueOf(u.protoUnwrap()) - } else { - rv = reflect.ValueOf(m.Interface()) - } - if c.isNonPointer() { - if rv.Type() != reflect.PtrTo(c.goType) { - panic(fmt.Sprintf("invalid type: got %v, want %v", rv.Type(), reflect.PtrTo(c.goType))) - } - if !rv.IsNil() { - rv = rv.Elem() // *T => T - } else { - rv = reflect.Zero(rv.Type().Elem()) - } - } - if rv.Type() != c.goType { - panic(fmt.Sprintf("invalid type: got %v, want %v", rv.Type(), c.goType)) - } - return rv -} - -func (c *messageConverter) IsValidPB(v protoreflect.Value) bool { - m := v.Message() - var rv reflect.Value - if u, ok := m.(unwrapper); ok { - rv = reflect.ValueOf(u.protoUnwrap()) - } else { - rv = reflect.ValueOf(m.Interface()) - } - if c.isNonPointer() { - return rv.Type() == reflect.PtrTo(c.goType) - } - return rv.Type() == c.goType -} - -func (c *messageConverter) IsValidGo(v reflect.Value) bool { - return v.IsValid() && v.Type() == c.goType -} - -func (c *messageConverter) New() protoreflect.Value { - if c.isNonPointer() { - return c.PBValueOf(reflect.New(c.goType).Elem()) - } - return c.PBValueOf(reflect.New(c.goType.Elem())) -} - -func (c *messageConverter) Zero() protoreflect.Value { - return c.PBValueOf(reflect.Zero(c.goType)) -} - -// isNonPointer reports whether the type is a non-pointer type. -// This never occurs for generated message types. -func (c *messageConverter) isNonPointer() bool { - return c.goType.Kind() != reflect.Ptr -} |