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update compare plugin to generate compare for standard well known types #606

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update compare plugin to generate compare for standard well known types #606

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232 changes: 151 additions & 81 deletions plugin/compare/compare.go
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Original file line number Diff line number Diff line change
Expand Up @@ -74,29 +74,34 @@ func (p *plugin) Generate(file *generator.FileDescriptor) {
}
}

func (p *plugin) generateNullableField(fieldname string) {
p.P(`if this.`, fieldname, ` != nil && that1.`, fieldname, ` != nil {`)
p.In()
p.P(`if *this.`, fieldname, ` != *that1.`, fieldname, `{`)
func (p *plugin) generateNullableFieldPre(fieldname string) {
p.P(`if that1.`, fieldname, ` == nil {`)
p.In()
p.P(`if *this.`, fieldname, ` < *that1.`, fieldname, `{`)
p.P(`if this.`, fieldname, ` != nil {`)
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
p.Out()
p.P(`} else if this.`, fieldname, ` != nil {`)
p.P(`} else if this.`, fieldname, ` == nil {`)
p.In()
p.P(`return 1`)
p.P(`return -1`)
p.Out()
p.P(`} else if that1.`, fieldname, ` != nil {`)
p.P(`} else `)
}

func (p *plugin) generateNullableField(fieldname string) {
p.generateNullableFieldPre(fieldname)
p.P(`if *this.`, fieldname, ` != *that1.`, fieldname, `{`)
p.In()
p.P(`if *this.`, fieldname, ` < *that1.`, fieldname, `{`)
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
}

func (p *plugin) generateMsgNullAndTypeCheck(ccTypeName string) {
Expand Down Expand Up @@ -148,7 +153,12 @@ func (p *plugin) generateField(file *generator.FileDescriptor, message *generato
repeated := field.IsRepeated()
ctype := gogoproto.IsCustomType(field)
nullable := gogoproto.IsNullable(field)
// oneof := field.OneofIndex != nil
stdType := gogoproto.IsStdType(field)
// Currently do not case about proto3 if stdType == true
// stdType can be nullable with proto3
if stdType {
proto3 = !stdType
}
if !repeated {
if ctype {
if nullable {
Expand All @@ -173,7 +183,7 @@ func (p *plugin) generateField(file *generator.FileDescriptor, message *generato
p.Out()
p.P(`}`)
} else {
if field.IsMessage() || p.IsGroup(field) {
if !stdType && (field.IsMessage() || p.IsGroup(field)) {
if nullable {
p.P(`if c := this.`, fieldname, `.Compare(that1.`, fieldname, `); c != 0 {`)
} else {
Expand All @@ -183,13 +193,18 @@ func (p *plugin) generateField(file *generator.FileDescriptor, message *generato
p.P(`return c`)
p.Out()
p.P(`}`)
} else if field.IsBytes() {
p.P(`if c := `, p.bytesPkg.Use(), `.Compare(this.`, fieldname, `, that1.`, fieldname, `); c != 0 {`)
} else if field.IsBytes() || gogoproto.IsStdBytes(field) {
if stdType && nullable && !proto3 {
p.generateNullableFieldPre(fieldname)
p.P(`if c := `, p.bytesPkg.Use(), `.Compare(*this.`, fieldname, `, *that1.`, fieldname, `); c != 0 {`)
} else {
p.P(`if c := `, p.bytesPkg.Use(), `.Compare(this.`, fieldname, `, that1.`, fieldname, `); c != 0 {`)
}
p.In()
p.P(`return c`)
p.Out()
p.P(`}`)
} else if field.IsString() {
} else if field.IsString() || gogoproto.IsStdString(field) {
if nullable && !proto3 {
p.generateNullableField(fieldname)
} else {
Expand All @@ -204,42 +219,42 @@ func (p *plugin) generateField(file *generator.FileDescriptor, message *generato
p.Out()
p.P(`}`)
}
} else if field.IsBool() {
} else if field.IsBool() || gogoproto.IsStdBool(field) {
if nullable && !proto3 {
p.P(`if this.`, fieldname, ` != nil && that1.`, fieldname, ` != nil {`)
p.In()
p.generateNullableFieldPre(fieldname)
p.P(`if *this.`, fieldname, ` != *that1.`, fieldname, `{`)
p.In()
p.P(`if !*this.`, fieldname, ` {`)
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
p.Out()
p.P(`} else if this.`, fieldname, ` != nil {`)
p.In()
p.P(`return 1`)
p.Out()
p.P(`} else if that1.`, fieldname, ` != nil {`)
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
} else {
p.P(`if this.`, fieldname, ` != that1.`, fieldname, `{`)
p.In()
p.P(`if !this.`, fieldname, ` {`)
}
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
} else if gogoproto.IsStdTime(field) {
if nullable && !proto3 {
p.generateNullableFieldPre(fieldname)
p.P(`if !this.`, fieldname, `.Equal(*that1.`, fieldname, `) {`)
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
p.P(`if this.`, fieldname, `.Before(*that1.`, fieldname, `) {`)
} else {
p.P(`if !this.`, fieldname, `.Equal(that1.`, fieldname, `) {`)
p.In()
p.P(`if this.`, fieldname, `.Before(that1.`, fieldname, `) {`)
}
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
} else {
if nullable && !proto3 {
p.generateNullableField(fieldname)
Expand Down Expand Up @@ -282,9 +297,11 @@ func (p *plugin) generateField(file *generator.FileDescriptor, message *generato
valuegoTyp, _ := p.GoType(nil, m.ValueField)
valuegoAliasTyp, _ := p.GoType(nil, m.ValueAliasField)
nullable, valuegoTyp, valuegoAliasTyp = generator.GoMapValueTypes(field, m.ValueField, valuegoTyp, valuegoAliasTyp)

mapValue := m.ValueAliasField
if mapValue.IsMessage() || p.IsGroup(mapValue) {
stdTypeMapValueField := gogoproto.IsStdType(m.ValueField)
stdTypeMapValueAliasField := gogoproto.IsStdType(m.ValueAliasField)
stdTypeMapValueField = stdTypeMapValueField || stdTypeMapValueAliasField
if !stdTypeMapValueField && mapValue.IsMessage() || p.IsGroup(mapValue) {
if nullable && valuegoTyp == valuegoAliasTyp {
p.P(`if c := this.`, fieldname, `[i].Compare(that1.`, fieldname, `[i]); c != 0 {`)
} else {
Expand All @@ -308,88 +325,141 @@ func (p *plugin) generateField(file *generator.FileDescriptor, message *generato
p.P(`return c`)
p.Out()
p.P(`}`)
} else if mapValue.IsBytes() {
p.P(`if c := `, p.bytesPkg.Use(), `.Compare(this.`, fieldname, `[i], that1.`, fieldname, `[i]); c != 0 {`)
} else if mapValue.IsBytes() || gogoproto.IsStdBytes(mapValue) {
if stdTypeMapValueField && nullable {
p.generateNullableFieldPre(fieldname + `[i]`)
p.P(`if c := `, p.bytesPkg.Use(), `.Compare(*this.`, fieldname, `[i], *that1.`, fieldname, `[i]); c != 0 {`)
} else {
p.P(`if c := `, p.bytesPkg.Use(), `.Compare(this.`, fieldname, `[i], that1.`, fieldname, `[i]); c != 0 {`)
}
p.In()
p.P(`return c`)
p.Out()
p.P(`}`)
} else if mapValue.IsString() {
p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
p.In()
p.P(`if this.`, fieldname, `[i] < that1.`, fieldname, `[i] {`)
} else if mapValue.IsBool() || gogoproto.IsStdBool(mapValue) {
if stdTypeMapValueField && nullable {
p.generateNullableFieldPre(fieldname + `[i]`)
p.P(`if *this.`, fieldname, `[i] != *that1.`, fieldname, `[i] {`)
p.In()
p.P(`if !*this.`, fieldname, `[i] {`)
} else {
p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
p.In()
p.P(`if !this.`, fieldname, `[i] {`)
}
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
} else {
p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
p.In()
p.P(`if this.`, fieldname, `[i] < that1.`, fieldname, `[i] {`)
} else if gogoproto.IsStdTime(mapValue) {
if stdTypeMapValueField && nullable {
p.generateNullableFieldPre(fieldname + `[i]`)
p.P(`if !this.`, fieldname, `[i].Equal(*that1.`, fieldname, `[i]) {`)
p.In()
p.P(`if this.`, fieldname, `[i].Before(*that1.`, fieldname, `[i]) {`)
} else {
p.P(`if !this.`, fieldname, `[i].Equal(that1.`, fieldname, `[i]) {`)
p.In()
p.P(`if this.`, fieldname, `[i].Before(that1.`, fieldname, `[i]) {`)
}
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
} else {
if stdTypeMapValueField && nullable {
p.generateNullableField(fieldname + "[i]")
} else {
p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
p.In()
p.P(`if this.`, fieldname, `[i] < that1.`, fieldname, `[i] {`)
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
}
}
} else if field.IsMessage() || p.IsGroup(field) {
} else if !stdType && (field.IsMessage() || p.IsGroup(field)) {
if nullable {
p.P(`if c := this.`, fieldname, `[i].Compare(that1.`, fieldname, `[i]); c != 0 {`)
p.In()
p.P(`return c`)
p.Out()
p.P(`}`)
} else {
p.P(`if c := this.`, fieldname, `[i].Compare(&that1.`, fieldname, `[i]); c != 0 {`)
p.In()
p.P(`return c`)
p.Out()
p.P(`}`)
}
} else if field.IsBytes() {
p.P(`if c := `, p.bytesPkg.Use(), `.Compare(this.`, fieldname, `[i], that1.`, fieldname, `[i]); c != 0 {`)
p.In()
p.P(`return c`)
p.Out()
p.P(`}`)
} else if field.IsString() {
p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
p.In()
p.P(`if this.`, fieldname, `[i] < that1.`, fieldname, `[i] {`)
} else if field.IsBytes() || gogoproto.IsStdBytes(field) {
if stdType && nullable && !proto3 {
p.generateNullableFieldPre(fieldname + `[i]`)
p.P(`if c := `, p.bytesPkg.Use(), `.Compare(*this.`, fieldname, `[i], *that1.`, fieldname, `[i]); c != 0 {`)
} else {
p.P(`if c := `, p.bytesPkg.Use(), `.Compare(this.`, fieldname, `[i], that1.`, fieldname, `[i]); c != 0 {`)
}
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.P(`return c`)
p.Out()
p.P(`}`)
} else if field.IsBool() {
p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
p.In()
p.P(`if !this.`, fieldname, `[i] {`)
} else if field.IsBool() || gogoproto.IsStdBool(field) {
if stdType && nullable && !proto3 {
p.generateNullableFieldPre(fieldname + `[i]`)
p.P(`if *this.`, fieldname, `[i] != *that1.`, fieldname, `[i] {`)
p.In()
p.P(`if !*this.`, fieldname, `[i] {`)
} else {
p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
p.In()
p.P(`if !this.`, fieldname, `[i] {`)
}
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
} else {
p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
p.In()
p.P(`if this.`, fieldname, `[i] < that1.`, fieldname, `[i] {`)
} else if gogoproto.IsStdTime(field) {
if nullable && !proto3 {
p.generateNullableFieldPre(fieldname + `[i]`)
p.P(`if !this.`, fieldname, `[i].Equal(*that1.`, fieldname, `[i]) {`)
p.In()
p.P(`if this.`, fieldname, `[i].Before(*that1.`, fieldname, `[i]) {`)
} else {
p.P(`if !this.`, fieldname, `[i].Equal(that1.`, fieldname, `[i]) {`)
p.In()
p.P(`if this.`, fieldname, `[i].Before(that1.`, fieldname, `[i]) {`)
}
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
} else {
if stdType && nullable && !proto3 {
p.generateNullableField(fieldname + "[i]")
} else {
p.P(`if this.`, fieldname, `[i] != that1.`, fieldname, `[i] {`)
p.In()
p.P(`if this.`, fieldname, `[i] < that1.`, fieldname, `[i] {`)
p.In()
p.P(`return -1`)
p.Out()
p.P(`}`)
p.P(`return 1`)
p.Out()
p.P(`}`)
}
}
}
p.Out()
Expand Down