impl.fieldCoder - Code Metrics - Inspection of "Adding vendor folder" - cdleo/go-sqldb - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Branch — main (436074)

by Christian

created 2022-06-16 19:46 UTC

impl.fieldCoder F

↳ Parent: vendor/google.golang.org/protobuf/internal/impl/codec_tables.go

Complexity

Conditions

201

Size

Total Lines	396
Code Lines	290

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	201
eloc	290
nop	2
dl	0
loc	396
rs	0
c	0
b	0
f	0

How to fix Long Method Complexity

// Copyright 2019 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/encoding/protowire"
	"google.golang.org/protobuf/internal/strs"
	pref "google.golang.org/protobuf/reflect/protoreflect"
)

// pointerCoderFuncs is a set of pointer encoding functions.
type pointerCoderFuncs struct {
	mi        *MessageInfo
	size      func(p pointer, f *coderFieldInfo, opts marshalOptions) int
	marshal   func(b []byte, p pointer, f *coderFieldInfo, opts marshalOptions) ([]byte, error)
	unmarshal func(b []byte, p pointer, wtyp protowire.Type, f *coderFieldInfo, opts unmarshalOptions) (unmarshalOutput, error)
	isInit    func(p pointer, f *coderFieldInfo) error
	merge     func(dst, src pointer, f *coderFieldInfo, opts mergeOptions)
}

// valueCoderFuncs is a set of protoreflect.Value encoding functions.
type valueCoderFuncs struct {
	size      func(v pref.Value, tagsize int, opts marshalOptions) int
	marshal   func(b []byte, v pref.Value, wiretag uint64, opts marshalOptions) ([]byte, error)
	unmarshal func(b []byte, v pref.Value, num protowire.Number, wtyp protowire.Type, opts unmarshalOptions) (pref.Value, unmarshalOutput, error)
	isInit    func(v pref.Value) error
	merge     func(dst, src pref.Value, opts mergeOptions) pref.Value
}

// fieldCoder returns pointer functions for a field, used for operating on
// struct fields.
func fieldCoder(fd pref.FieldDescriptor, ft reflect.Type) (*MessageInfo, pointerCoderFuncs) {
	switch {
	case fd.IsMap():
		return encoderFuncsForMap(fd, ft)
	case fd.Cardinality() == pref.Repeated && !fd.IsPacked():
		// Repeated fields (not packed).
		if ft.Kind() != reflect.Slice {
			break
		}
		ft := ft.Elem()
		switch fd.Kind() {
		case pref.BoolKind:
			if ft.Kind() == reflect.Bool {
				return nil, coderBoolSlice
			}
		case pref.EnumKind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderEnumSlice
			}
		case pref.Int32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderInt32Slice
			}
		case pref.Sint32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderSint32Slice
			}
		case pref.Uint32Kind:
			if ft.Kind() == reflect.Uint32 {
				return nil, coderUint32Slice
			}
		case pref.Int64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderInt64Slice
			}
		case pref.Sint64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderSint64Slice
			}
		case pref.Uint64Kind:
			if ft.Kind() == reflect.Uint64 {
				return nil, coderUint64Slice
			}
		case pref.Sfixed32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderSfixed32Slice
			}
		case pref.Fixed32Kind:
			if ft.Kind() == reflect.Uint32 {
				return nil, coderFixed32Slice
			}
		case pref.FloatKind:
			if ft.Kind() == reflect.Float32 {
				return nil, coderFloatSlice
			}
		case pref.Sfixed64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderSfixed64Slice
			}
		case pref.Fixed64Kind:
			if ft.Kind() == reflect.Uint64 {
				return nil, coderFixed64Slice
			}
		case pref.DoubleKind:
			if ft.Kind() == reflect.Float64 {
				return nil, coderDoubleSlice
			}
		case pref.StringKind:
			if ft.Kind() == reflect.String && strs.EnforceUTF8(fd) {
				return nil, coderStringSliceValidateUTF8
			}
			if ft.Kind() == reflect.String {
				return nil, coderStringSlice
			}
			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 && strs.EnforceUTF8(fd) {
				return nil, coderBytesSliceValidateUTF8
			}
			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
				return nil, coderBytesSlice
			}
		case pref.BytesKind:
			if ft.Kind() == reflect.String {
				return nil, coderStringSlice
			}
			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
				return nil, coderBytesSlice
			}
		case pref.MessageKind:
			return getMessageInfo(ft), makeMessageSliceFieldCoder(fd, ft)
		case pref.GroupKind:
			return getMessageInfo(ft), makeGroupSliceFieldCoder(fd, ft)
		}
	case fd.Cardinality() == pref.Repeated && fd.IsPacked():
		// Packed repeated fields.
		//
		// Only repeated fields of primitive numeric types
		// (Varint, Fixed32, or Fixed64 wire type) can be packed.
		if ft.Kind() != reflect.Slice {
			break
		}
		ft := ft.Elem()
		switch fd.Kind() {
		case pref.BoolKind:
			if ft.Kind() == reflect.Bool {
				return nil, coderBoolPackedSlice
			}
		case pref.EnumKind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderEnumPackedSlice
			}
		case pref.Int32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderInt32PackedSlice
			}
		case pref.Sint32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderSint32PackedSlice
			}
		case pref.Uint32Kind:
			if ft.Kind() == reflect.Uint32 {
				return nil, coderUint32PackedSlice
			}
		case pref.Int64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderInt64PackedSlice
			}
		case pref.Sint64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderSint64PackedSlice
			}
		case pref.Uint64Kind:
			if ft.Kind() == reflect.Uint64 {
				return nil, coderUint64PackedSlice
			}
		case pref.Sfixed32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderSfixed32PackedSlice
			}
		case pref.Fixed32Kind:
			if ft.Kind() == reflect.Uint32 {
				return nil, coderFixed32PackedSlice
			}
		case pref.FloatKind:
			if ft.Kind() == reflect.Float32 {
				return nil, coderFloatPackedSlice
			}
		case pref.Sfixed64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderSfixed64PackedSlice
			}
		case pref.Fixed64Kind:
			if ft.Kind() == reflect.Uint64 {
				return nil, coderFixed64PackedSlice
			}
		case pref.DoubleKind:
			if ft.Kind() == reflect.Float64 {
				return nil, coderDoublePackedSlice
			}
		}
	case fd.Kind() == pref.MessageKind:
		return getMessageInfo(ft), makeMessageFieldCoder(fd, ft)
	case fd.Kind() == pref.GroupKind:
		return getMessageInfo(ft), makeGroupFieldCoder(fd, ft)
	case fd.Syntax() == pref.Proto3 && fd.ContainingOneof() == nil:
		// Populated oneof fields always encode even if set to the zero value,
		// which normally are not encoded in proto3.
		switch fd.Kind() {
		case pref.BoolKind:
			if ft.Kind() == reflect.Bool {
				return nil, coderBoolNoZero
			}
		case pref.EnumKind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderEnumNoZero
			}
		case pref.Int32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderInt32NoZero
			}
		case pref.Sint32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderSint32NoZero
			}
		case pref.Uint32Kind:
			if ft.Kind() == reflect.Uint32 {
				return nil, coderUint32NoZero
			}
		case pref.Int64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderInt64NoZero
			}
		case pref.Sint64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderSint64NoZero
			}
		case pref.Uint64Kind:
			if ft.Kind() == reflect.Uint64 {
				return nil, coderUint64NoZero
			}
		case pref.Sfixed32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderSfixed32NoZero
			}
		case pref.Fixed32Kind:
			if ft.Kind() == reflect.Uint32 {
				return nil, coderFixed32NoZero
			}
		case pref.FloatKind:
			if ft.Kind() == reflect.Float32 {
				return nil, coderFloatNoZero
			}
		case pref.Sfixed64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderSfixed64NoZero
			}
		case pref.Fixed64Kind:
			if ft.Kind() == reflect.Uint64 {
				return nil, coderFixed64NoZero
			}
		case pref.DoubleKind:
			if ft.Kind() == reflect.Float64 {
				return nil, coderDoubleNoZero
			}
		case pref.StringKind:
			if ft.Kind() == reflect.String && strs.EnforceUTF8(fd) {
				return nil, coderStringNoZeroValidateUTF8
			}
			if ft.Kind() == reflect.String {
				return nil, coderStringNoZero
			}
			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 && strs.EnforceUTF8(fd) {
				return nil, coderBytesNoZeroValidateUTF8
			}
			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
				return nil, coderBytesNoZero
			}
		case pref.BytesKind:
			if ft.Kind() == reflect.String {
				return nil, coderStringNoZero
			}
			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
				return nil, coderBytesNoZero
			}
		}
	case ft.Kind() == reflect.Ptr:
		ft := ft.Elem()
		switch fd.Kind() {
		case pref.BoolKind:
			if ft.Kind() == reflect.Bool {
				return nil, coderBoolPtr
			}
		case pref.EnumKind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderEnumPtr
			}
		case pref.Int32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderInt32Ptr
			}
		case pref.Sint32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderSint32Ptr
			}
		case pref.Uint32Kind:
			if ft.Kind() == reflect.Uint32 {
				return nil, coderUint32Ptr
			}
		case pref.Int64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderInt64Ptr
			}
		case pref.Sint64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderSint64Ptr
			}
		case pref.Uint64Kind:
			if ft.Kind() == reflect.Uint64 {
				return nil, coderUint64Ptr
			}
		case pref.Sfixed32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderSfixed32Ptr
			}
		case pref.Fixed32Kind:
			if ft.Kind() == reflect.Uint32 {
				return nil, coderFixed32Ptr
			}
		case pref.FloatKind:
			if ft.Kind() == reflect.Float32 {
				return nil, coderFloatPtr
			}
		case pref.Sfixed64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderSfixed64Ptr
			}
		case pref.Fixed64Kind:
			if ft.Kind() == reflect.Uint64 {
				return nil, coderFixed64Ptr
			}
		case pref.DoubleKind:
			if ft.Kind() == reflect.Float64 {
				return nil, coderDoublePtr
			}
		case pref.StringKind:
			if ft.Kind() == reflect.String && strs.EnforceUTF8(fd) {
				return nil, coderStringPtrValidateUTF8
			}
			if ft.Kind() == reflect.String {
				return nil, coderStringPtr
			}
		case pref.BytesKind:
			if ft.Kind() == reflect.String {
				return nil, coderStringPtr
			}
		}
	default:
		switch fd.Kind() {
		case pref.BoolKind:
			if ft.Kind() == reflect.Bool {
				return nil, coderBool
			}
		case pref.EnumKind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderEnum
			}
		case pref.Int32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderInt32
			}
		case pref.Sint32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderSint32
			}
		case pref.Uint32Kind:
			if ft.Kind() == reflect.Uint32 {
				return nil, coderUint32
			}
		case pref.Int64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderInt64
			}
		case pref.Sint64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderSint64
			}
		case pref.Uint64Kind:
			if ft.Kind() == reflect.Uint64 {
				return nil, coderUint64
			}
		case pref.Sfixed32Kind:
			if ft.Kind() == reflect.Int32 {
				return nil, coderSfixed32
			}
		case pref.Fixed32Kind:
			if ft.Kind() == reflect.Uint32 {
				return nil, coderFixed32
			}
		case pref.FloatKind:
			if ft.Kind() == reflect.Float32 {
				return nil, coderFloat
			}
		case pref.Sfixed64Kind:
			if ft.Kind() == reflect.Int64 {
				return nil, coderSfixed64
			}
		case pref.Fixed64Kind:
			if ft.Kind() == reflect.Uint64 {
				return nil, coderFixed64
			}
		case pref.DoubleKind:
			if ft.Kind() == reflect.Float64 {
				return nil, coderDouble
			}
		case pref.StringKind:
			if ft.Kind() == reflect.String && strs.EnforceUTF8(fd) {
				return nil, coderStringValidateUTF8
			}
			if ft.Kind() == reflect.String {
				return nil, coderString
			}
			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 && strs.EnforceUTF8(fd) {
				return nil, coderBytesValidateUTF8
			}
			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
				return nil, coderBytes
			}
		case pref.BytesKind:
			if ft.Kind() == reflect.String {
				return nil, coderString
			}
			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
				return nil, coderBytes
			}
		}
	}
	panic(fmt.Sprintf("invalid type: no encoder for %v %v %v/%v", fd.FullName(), fd.Cardinality(), fd.Kind(), ft))
}

// encoderFuncsForValue returns value functions for a field, used for
// extension values and map encoding.
func encoderFuncsForValue(fd pref.FieldDescriptor) valueCoderFuncs {
	switch {
	case fd.Cardinality() == pref.Repeated && !fd.IsPacked():
		switch fd.Kind() {
		case pref.BoolKind:
			return coderBoolSliceValue
		case pref.EnumKind:
			return coderEnumSliceValue
		case pref.Int32Kind:
			return coderInt32SliceValue
		case pref.Sint32Kind:
			return coderSint32SliceValue
		case pref.Uint32Kind:
			return coderUint32SliceValue
		case pref.Int64Kind:
			return coderInt64SliceValue
		case pref.Sint64Kind:
			return coderSint64SliceValue
		case pref.Uint64Kind:
			return coderUint64SliceValue
		case pref.Sfixed32Kind:
			return coderSfixed32SliceValue
		case pref.Fixed32Kind:
			return coderFixed32SliceValue
		case pref.FloatKind:
			return coderFloatSliceValue
		case pref.Sfixed64Kind:
			return coderSfixed64SliceValue
		case pref.Fixed64Kind:
			return coderFixed64SliceValue
		case pref.DoubleKind:
			return coderDoubleSliceValue
		case pref.StringKind:
			// We don't have a UTF-8 validating coder for repeated string fields.
			// Value coders are used for extensions and maps.
			// Extensions are never proto3, and maps never contain lists.
			return coderStringSliceValue
		case pref.BytesKind:
			return coderBytesSliceValue
		case pref.MessageKind:
			return coderMessageSliceValue
		case pref.GroupKind:
			return coderGroupSliceValue
		}
	case fd.Cardinality() == pref.Repeated && fd.IsPacked():
		switch fd.Kind() {
		case pref.BoolKind:
			return coderBoolPackedSliceValue
		case pref.EnumKind:
			return coderEnumPackedSliceValue
		case pref.Int32Kind:
			return coderInt32PackedSliceValue
		case pref.Sint32Kind:
			return coderSint32PackedSliceValue
		case pref.Uint32Kind:
			return coderUint32PackedSliceValue
		case pref.Int64Kind:
			return coderInt64PackedSliceValue
		case pref.Sint64Kind:
			return coderSint64PackedSliceValue
		case pref.Uint64Kind:
			return coderUint64PackedSliceValue
		case pref.Sfixed32Kind:
			return coderSfixed32PackedSliceValue
		case pref.Fixed32Kind:
			return coderFixed32PackedSliceValue
		case pref.FloatKind:
			return coderFloatPackedSliceValue
		case pref.Sfixed64Kind:
			return coderSfixed64PackedSliceValue
		case pref.Fixed64Kind:
			return coderFixed64PackedSliceValue
		case pref.DoubleKind:
			return coderDoublePackedSliceValue
		}
	default:
		switch fd.Kind() {
		default:
		case pref.BoolKind:
			return coderBoolValue
		case pref.EnumKind:
			return coderEnumValue
		case pref.Int32Kind:
			return coderInt32Value
		case pref.Sint32Kind:
			return coderSint32Value
		case pref.Uint32Kind:
			return coderUint32Value
		case pref.Int64Kind:
			return coderInt64Value
		case pref.Sint64Kind:
			return coderSint64Value
		case pref.Uint64Kind:
			return coderUint64Value
		case pref.Sfixed32Kind:
			return coderSfixed32Value
		case pref.Fixed32Kind:
			return coderFixed32Value
		case pref.FloatKind:
			return coderFloatValue
		case pref.Sfixed64Kind:
			return coderSfixed64Value
		case pref.Fixed64Kind:
			return coderFixed64Value
		case pref.DoubleKind:
			return coderDoubleValue
		case pref.StringKind:
			if strs.EnforceUTF8(fd) {
				return coderStringValueValidateUTF8
			}
			return coderStringValue
		case pref.BytesKind:
			return coderBytesValue
		case pref.MessageKind:
			return coderMessageValue
		case pref.GroupKind:
			return coderGroupValue
		}
	}
	panic(fmt.Sprintf("invalid field: no encoder for %v %v %v", fd.FullName(), fd.Cardinality(), fd.Kind()))
}


1			// Copyright 2019 The Go Authors. All rights reserved.
2			// Use of this source code is governed by a BSD-style
3			// license that can be found in the LICENSE file.
4
5			package impl
6
7			import (
8			"fmt"
9			"reflect"
10
11			"google.golang.org/protobuf/encoding/protowire"
12			"google.golang.org/protobuf/internal/strs"
13			pref "google.golang.org/protobuf/reflect/protoreflect"
14			)
15
16			// pointerCoderFuncs is a set of pointer encoding functions.
17			type pointerCoderFuncs struct {
18			mi *MessageInfo
19			size func(p pointer, f *coderFieldInfo, opts marshalOptions) int
20			marshal func(b []byte, p pointer, f *coderFieldInfo, opts marshalOptions) ([]byte, error)
21			unmarshal func(b []byte, p pointer, wtyp protowire.Type, f *coderFieldInfo, opts unmarshalOptions) (unmarshalOutput, error)
22			isInit func(p pointer, f *coderFieldInfo) error
23			merge func(dst, src pointer, f *coderFieldInfo, opts mergeOptions)
24			}
25
26			// valueCoderFuncs is a set of protoreflect.Value encoding functions.
27			type valueCoderFuncs struct {
28			size func(v pref.Value, tagsize int, opts marshalOptions) int
29			marshal func(b []byte, v pref.Value, wiretag uint64, opts marshalOptions) ([]byte, error)
30			unmarshal func(b []byte, v pref.Value, num protowire.Number, wtyp protowire.Type, opts unmarshalOptions) (pref.Value, unmarshalOutput, error)
31			isInit func(v pref.Value) error
32			merge func(dst, src pref.Value, opts mergeOptions) pref.Value
33			}
34
35			// fieldCoder returns pointer functions for a field, used for operating on
36			// struct fields.
37			func fieldCoder(fd pref.FieldDescriptor, ft reflect.Type) (*MessageInfo, pointerCoderFuncs) {
38			switch {
39			case fd.IsMap():
40			return encoderFuncsForMap(fd, ft)
41			case fd.Cardinality() == pref.Repeated && !fd.IsPacked():
42			// Repeated fields (not packed).
43			if ft.Kind() != reflect.Slice {
44			break
45			}
46			ft := ft.Elem()
47			switch fd.Kind() {
48			case pref.BoolKind:
49			if ft.Kind() == reflect.Bool {
50			return nil, coderBoolSlice
51			}
52			case pref.EnumKind:
53			if ft.Kind() == reflect.Int32 {
54			return nil, coderEnumSlice
55			}
56			case pref.Int32Kind:
57			if ft.Kind() == reflect.Int32 {
58			return nil, coderInt32Slice
59			}
60			case pref.Sint32Kind:
61			if ft.Kind() == reflect.Int32 {
62			return nil, coderSint32Slice
63			}
64			case pref.Uint32Kind:
65			if ft.Kind() == reflect.Uint32 {
66			return nil, coderUint32Slice
67			}
68			case pref.Int64Kind:
69			if ft.Kind() == reflect.Int64 {
70			return nil, coderInt64Slice
71			}
72			case pref.Sint64Kind:
73			if ft.Kind() == reflect.Int64 {
74			return nil, coderSint64Slice
75			}
76			case pref.Uint64Kind:
77			if ft.Kind() == reflect.Uint64 {
78			return nil, coderUint64Slice
79			}
80			case pref.Sfixed32Kind:
81			if ft.Kind() == reflect.Int32 {
82			return nil, coderSfixed32Slice
83			}
84			case pref.Fixed32Kind:
85			if ft.Kind() == reflect.Uint32 {
86			return nil, coderFixed32Slice
87			}
88			case pref.FloatKind:
89			if ft.Kind() == reflect.Float32 {
90			return nil, coderFloatSlice
91			}
92			case pref.Sfixed64Kind:
93			if ft.Kind() == reflect.Int64 {
94			return nil, coderSfixed64Slice
95			}
96			case pref.Fixed64Kind:
97			if ft.Kind() == reflect.Uint64 {
98			return nil, coderFixed64Slice
99			}
100			case pref.DoubleKind:
101			if ft.Kind() == reflect.Float64 {
102			return nil, coderDoubleSlice
103			}
104			case pref.StringKind:
105			if ft.Kind() == reflect.String && strs.EnforceUTF8(fd) {
106			return nil, coderStringSliceValidateUTF8
107			}
108			if ft.Kind() == reflect.String {
109			return nil, coderStringSlice
110			}
111			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 && strs.EnforceUTF8(fd) {
112			return nil, coderBytesSliceValidateUTF8
113			}
114			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
115			return nil, coderBytesSlice
116			}
117			case pref.BytesKind:
118			if ft.Kind() == reflect.String {
119			return nil, coderStringSlice
120			}
121			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
122			return nil, coderBytesSlice
123			}
124			case pref.MessageKind:
125			return getMessageInfo(ft), makeMessageSliceFieldCoder(fd, ft)
126			case pref.GroupKind:
127			return getMessageInfo(ft), makeGroupSliceFieldCoder(fd, ft)
128			}
129			case fd.Cardinality() == pref.Repeated && fd.IsPacked():
130			// Packed repeated fields.
131			//
132			// Only repeated fields of primitive numeric types
133			// (Varint, Fixed32, or Fixed64 wire type) can be packed.
134			if ft.Kind() != reflect.Slice {
135			break
136			}
137			ft := ft.Elem()
138			switch fd.Kind() {
139			case pref.BoolKind:
140			if ft.Kind() == reflect.Bool {
141			return nil, coderBoolPackedSlice
142			}
143			case pref.EnumKind:
144			if ft.Kind() == reflect.Int32 {
145			return nil, coderEnumPackedSlice
146			}
147			case pref.Int32Kind:
148			if ft.Kind() == reflect.Int32 {
149			return nil, coderInt32PackedSlice
150			}
151			case pref.Sint32Kind:
152			if ft.Kind() == reflect.Int32 {
153			return nil, coderSint32PackedSlice
154			}
155			case pref.Uint32Kind:
156			if ft.Kind() == reflect.Uint32 {
157			return nil, coderUint32PackedSlice
158			}
159			case pref.Int64Kind:
160			if ft.Kind() == reflect.Int64 {
161			return nil, coderInt64PackedSlice
162			}
163			case pref.Sint64Kind:
164			if ft.Kind() == reflect.Int64 {
165			return nil, coderSint64PackedSlice
166			}
167			case pref.Uint64Kind:
168			if ft.Kind() == reflect.Uint64 {
169			return nil, coderUint64PackedSlice
170			}
171			case pref.Sfixed32Kind:
172			if ft.Kind() == reflect.Int32 {
173			return nil, coderSfixed32PackedSlice
174			}
175			case pref.Fixed32Kind:
176			if ft.Kind() == reflect.Uint32 {
177			return nil, coderFixed32PackedSlice
178			}
179			case pref.FloatKind:
180			if ft.Kind() == reflect.Float32 {
181			return nil, coderFloatPackedSlice
182			}
183			case pref.Sfixed64Kind:
184			if ft.Kind() == reflect.Int64 {
185			return nil, coderSfixed64PackedSlice
186			}
187			case pref.Fixed64Kind:
188			if ft.Kind() == reflect.Uint64 {
189			return nil, coderFixed64PackedSlice
190			}
191			case pref.DoubleKind:
192			if ft.Kind() == reflect.Float64 {
193			return nil, coderDoublePackedSlice
194			}
195			}
196			case fd.Kind() == pref.MessageKind:
197			return getMessageInfo(ft), makeMessageFieldCoder(fd, ft)
198			case fd.Kind() == pref.GroupKind:
199			return getMessageInfo(ft), makeGroupFieldCoder(fd, ft)
200			case fd.Syntax() == pref.Proto3 && fd.ContainingOneof() == nil:
201			// Populated oneof fields always encode even if set to the zero value,
202			// which normally are not encoded in proto3.
203			switch fd.Kind() {
204			case pref.BoolKind:
205			if ft.Kind() == reflect.Bool {
206			return nil, coderBoolNoZero
207			}
208			case pref.EnumKind:
209			if ft.Kind() == reflect.Int32 {
210			return nil, coderEnumNoZero
211			}
212			case pref.Int32Kind:
213			if ft.Kind() == reflect.Int32 {
214			return nil, coderInt32NoZero
215			}
216			case pref.Sint32Kind:
217			if ft.Kind() == reflect.Int32 {
218			return nil, coderSint32NoZero
219			}
220			case pref.Uint32Kind:
221			if ft.Kind() == reflect.Uint32 {
222			return nil, coderUint32NoZero
223			}
224			case pref.Int64Kind:
225			if ft.Kind() == reflect.Int64 {
226			return nil, coderInt64NoZero
227			}
228			case pref.Sint64Kind:
229			if ft.Kind() == reflect.Int64 {
230			return nil, coderSint64NoZero
231			}
232			case pref.Uint64Kind:
233			if ft.Kind() == reflect.Uint64 {
234			return nil, coderUint64NoZero
235			}
236			case pref.Sfixed32Kind:
237			if ft.Kind() == reflect.Int32 {
238			return nil, coderSfixed32NoZero
239			}
240			case pref.Fixed32Kind:
241			if ft.Kind() == reflect.Uint32 {
242			return nil, coderFixed32NoZero
243			}
244			case pref.FloatKind:
245			if ft.Kind() == reflect.Float32 {
246			return nil, coderFloatNoZero
247			}
248			case pref.Sfixed64Kind:
249			if ft.Kind() == reflect.Int64 {
250			return nil, coderSfixed64NoZero
251			}
252			case pref.Fixed64Kind:
253			if ft.Kind() == reflect.Uint64 {
254			return nil, coderFixed64NoZero
255			}
256			case pref.DoubleKind:
257			if ft.Kind() == reflect.Float64 {
258			return nil, coderDoubleNoZero
259			}
260			case pref.StringKind:
261			if ft.Kind() == reflect.String && strs.EnforceUTF8(fd) {
262			return nil, coderStringNoZeroValidateUTF8
263			}
264			if ft.Kind() == reflect.String {
265			return nil, coderStringNoZero
266			}
267			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 && strs.EnforceUTF8(fd) {
268			return nil, coderBytesNoZeroValidateUTF8
269			}
270			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
271			return nil, coderBytesNoZero
272			}
273			case pref.BytesKind:
274			if ft.Kind() == reflect.String {
275			return nil, coderStringNoZero
276			}
277			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
278			return nil, coderBytesNoZero
279			}
280			}
281			case ft.Kind() == reflect.Ptr:
282			ft := ft.Elem()
283			switch fd.Kind() {
284			case pref.BoolKind:
285			if ft.Kind() == reflect.Bool {
286			return nil, coderBoolPtr
287			}
288			case pref.EnumKind:
289			if ft.Kind() == reflect.Int32 {
290			return nil, coderEnumPtr
291			}
292			case pref.Int32Kind:
293			if ft.Kind() == reflect.Int32 {
294			return nil, coderInt32Ptr
295			}
296			case pref.Sint32Kind:
297			if ft.Kind() == reflect.Int32 {
298			return nil, coderSint32Ptr
299			}
300			case pref.Uint32Kind:
301			if ft.Kind() == reflect.Uint32 {
302			return nil, coderUint32Ptr
303			}
304			case pref.Int64Kind:
305			if ft.Kind() == reflect.Int64 {
306			return nil, coderInt64Ptr
307			}
308			case pref.Sint64Kind:
309			if ft.Kind() == reflect.Int64 {
310			return nil, coderSint64Ptr
311			}
312			case pref.Uint64Kind:
313			if ft.Kind() == reflect.Uint64 {
314			return nil, coderUint64Ptr
315			}
316			case pref.Sfixed32Kind:
317			if ft.Kind() == reflect.Int32 {
318			return nil, coderSfixed32Ptr
319			}
320			case pref.Fixed32Kind:
321			if ft.Kind() == reflect.Uint32 {
322			return nil, coderFixed32Ptr
323			}
324			case pref.FloatKind:
325			if ft.Kind() == reflect.Float32 {
326			return nil, coderFloatPtr
327			}
328			case pref.Sfixed64Kind:
329			if ft.Kind() == reflect.Int64 {
330			return nil, coderSfixed64Ptr
331			}
332			case pref.Fixed64Kind:
333			if ft.Kind() == reflect.Uint64 {
334			return nil, coderFixed64Ptr
335			}
336			case pref.DoubleKind:
337			if ft.Kind() == reflect.Float64 {
338			return nil, coderDoublePtr
339			}
340			case pref.StringKind:
341			if ft.Kind() == reflect.String && strs.EnforceUTF8(fd) {
342			return nil, coderStringPtrValidateUTF8
343			}
344			if ft.Kind() == reflect.String {
345			return nil, coderStringPtr
346			}
347			case pref.BytesKind:
348			if ft.Kind() == reflect.String {
349			return nil, coderStringPtr
350			}
351			}
352			default:
353			switch fd.Kind() {
354			case pref.BoolKind:
355			if ft.Kind() == reflect.Bool {
356			return nil, coderBool
357			}
358			case pref.EnumKind:
359			if ft.Kind() == reflect.Int32 {
360			return nil, coderEnum
361			}
362			case pref.Int32Kind:
363			if ft.Kind() == reflect.Int32 {
364			return nil, coderInt32
365			}
366			case pref.Sint32Kind:
367			if ft.Kind() == reflect.Int32 {
368			return nil, coderSint32
369			}
370			case pref.Uint32Kind:
371			if ft.Kind() == reflect.Uint32 {
372			return nil, coderUint32
373			}
374			case pref.Int64Kind:
375			if ft.Kind() == reflect.Int64 {
376			return nil, coderInt64
377			}
378			case pref.Sint64Kind:
379			if ft.Kind() == reflect.Int64 {
380			return nil, coderSint64
381			}
382			case pref.Uint64Kind:
383			if ft.Kind() == reflect.Uint64 {
384			return nil, coderUint64
385			}
386			case pref.Sfixed32Kind:
387			if ft.Kind() == reflect.Int32 {
388			return nil, coderSfixed32
389			}
390			case pref.Fixed32Kind:
391			if ft.Kind() == reflect.Uint32 {
392			return nil, coderFixed32
393			}
394			case pref.FloatKind:
395			if ft.Kind() == reflect.Float32 {
396			return nil, coderFloat
397			}
398			case pref.Sfixed64Kind:
399			if ft.Kind() == reflect.Int64 {
400			return nil, coderSfixed64
401			}
402			case pref.Fixed64Kind:
403			if ft.Kind() == reflect.Uint64 {
404			return nil, coderFixed64
405			}
406			case pref.DoubleKind:
407			if ft.Kind() == reflect.Float64 {
408			return nil, coderDouble
409			}
410			case pref.StringKind:
411			if ft.Kind() == reflect.String && strs.EnforceUTF8(fd) {
412			return nil, coderStringValidateUTF8
413			}
414			if ft.Kind() == reflect.String {
415			return nil, coderString
416			}
417			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 && strs.EnforceUTF8(fd) {
418			return nil, coderBytesValidateUTF8
419			}
420			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
421			return nil, coderBytes
422			}
423			case pref.BytesKind:
424			if ft.Kind() == reflect.String {
425			return nil, coderString
426			}
427			if ft.Kind() == reflect.Slice && ft.Elem().Kind() == reflect.Uint8 {
428			return nil, coderBytes
429			}
430			}
431			}
432			panic(fmt.Sprintf("invalid type: no encoder for %v %v %v/%v", fd.FullName(), fd.Cardinality(), fd.Kind(), ft))
433			}
434
435			// encoderFuncsForValue returns value functions for a field, used for
436			// extension values and map encoding.
437			func encoderFuncsForValue(fd pref.FieldDescriptor) valueCoderFuncs {
438			switch {
439			case fd.Cardinality() == pref.Repeated && !fd.IsPacked():
440			switch fd.Kind() {
441			case pref.BoolKind:
442			return coderBoolSliceValue
443			case pref.EnumKind:
444			return coderEnumSliceValue
445			case pref.Int32Kind:
446			return coderInt32SliceValue
447			case pref.Sint32Kind:
448			return coderSint32SliceValue
449			case pref.Uint32Kind:
450			return coderUint32SliceValue
451			case pref.Int64Kind:
452			return coderInt64SliceValue
453			case pref.Sint64Kind:
454			return coderSint64SliceValue
455			case pref.Uint64Kind:
456			return coderUint64SliceValue
457			case pref.Sfixed32Kind:
458			return coderSfixed32SliceValue
459			case pref.Fixed32Kind:
460			return coderFixed32SliceValue
461			case pref.FloatKind:
462			return coderFloatSliceValue
463			case pref.Sfixed64Kind:
464			return coderSfixed64SliceValue
465			case pref.Fixed64Kind:
466			return coderFixed64SliceValue
467			case pref.DoubleKind:
468			return coderDoubleSliceValue
469			case pref.StringKind:
470			// We don't have a UTF-8 validating coder for repeated string fields.
471			// Value coders are used for extensions and maps.
472			// Extensions are never proto3, and maps never contain lists.
473			return coderStringSliceValue
474			case pref.BytesKind:
475			return coderBytesSliceValue
476			case pref.MessageKind:
477			return coderMessageSliceValue
478			case pref.GroupKind:
479			return coderGroupSliceValue
480			}
481			case fd.Cardinality() == pref.Repeated && fd.IsPacked():
482			switch fd.Kind() {
483			case pref.BoolKind:
484			return coderBoolPackedSliceValue
485			case pref.EnumKind:
486			return coderEnumPackedSliceValue
487			case pref.Int32Kind:
488			return coderInt32PackedSliceValue
489			case pref.Sint32Kind:
490			return coderSint32PackedSliceValue
491			case pref.Uint32Kind:
492			return coderUint32PackedSliceValue
493			case pref.Int64Kind:
494			return coderInt64PackedSliceValue
495			case pref.Sint64Kind:
496			return coderSint64PackedSliceValue
497			case pref.Uint64Kind:
498			return coderUint64PackedSliceValue
499			case pref.Sfixed32Kind:
500			return coderSfixed32PackedSliceValue
501			case pref.Fixed32Kind:
502			return coderFixed32PackedSliceValue
503			case pref.FloatKind:
504			return coderFloatPackedSliceValue
505			case pref.Sfixed64Kind:
506			return coderSfixed64PackedSliceValue
507			case pref.Fixed64Kind:
508			return coderFixed64PackedSliceValue
509			case pref.DoubleKind:
510			return coderDoublePackedSliceValue
511			}
512			default:
513			switch fd.Kind() {
514			default:
515			case pref.BoolKind:
516			return coderBoolValue
517			case pref.EnumKind:
518			return coderEnumValue
519			case pref.Int32Kind:
520			return coderInt32Value
521			case pref.Sint32Kind:
522			return coderSint32Value
523			case pref.Uint32Kind:
524			return coderUint32Value
525			case pref.Int64Kind:
526			return coderInt64Value
527			case pref.Sint64Kind:
528			return coderSint64Value
529			case pref.Uint64Kind:
530			return coderUint64Value
531			case pref.Sfixed32Kind:
532			return coderSfixed32Value
533			case pref.Fixed32Kind:
534			return coderFixed32Value
535			case pref.FloatKind:
536			return coderFloatValue
537			case pref.Sfixed64Kind:
538			return coderSfixed64Value
539			case pref.Fixed64Kind:
540			return coderFixed64Value
541			case pref.DoubleKind:
542			return coderDoubleValue
543			case pref.StringKind:
544			if strs.EnforceUTF8(fd) {
545			return coderStringValueValidateUTF8
546			}
547			return coderStringValue
548			case pref.BytesKind:
549			return coderBytesValue
550			case pref.MessageKind:
551			return coderMessageValue
552			case pref.GroupKind:
553			return coderGroupValue
554			}
555			}
556			panic(fmt.Sprintf("invalid field: no encoder for %v %v %v", fd.FullName(), fd.Cardinality(), fd.Kind()))
557			}
558

cdleo / go-sqldb

Branch — main (436074)

impl.fieldCoder F

Complexity

Size

Duplication

Importance

How to fix Long Method Complexity

Long Method

Complexity

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Filter issues like