fix: refactor Standard Method message helpers into utils

rules/aip0131/aip0131.go

@@ -16,10 +16,7 @@
 package aip0131
 
 import (
-	"regexp"
-
 	"github.com/googleapis/api-linter/lint"
-	"github.com/jhump/protoreflect/desc"
 )
 
 // AddRules accepts a register function and registers each of
@@ -43,12 +40,3 @@ func AddRules(r lint.RuleRegistry) error {
 		unknownFields,
 	)
 }
-
-var (
-	getReqMessageRegexp = regexp.MustCompile("^Get[A-Za-z0-9]*Request$")
-)
-
-// Returns true if this is an AIP-131 Get request message, false otherwise.
-func isGetRequestMessage(m *desc.MessageDescriptor) bool {
-	return getReqMessageRegexp.MatchString(m.GetName())
-}

rules/aip0131/request_name_behavior.go

@@ -23,7 +23,7 @@ import (
 var requestNameBehavior = &lint.FieldRule{
 	Name: lint.NewRuleName(131, "request-name-behavior"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isGetRequestMessage(f.GetOwner()) && f.GetName() == "name"
+		return utils.IsGetRequestMessage(f.GetOwner()) && f.GetName() == "name"
 	},
 	LintField: utils.LintRequiredField,
 }

rules/aip0131/request_name_field.go

@@ -24,7 +24,7 @@ import (
 var requestNameField = &lint.FieldRule{
 	Name: lint.NewRuleName(131, "request-name-field"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isGetRequestMessage(f.GetOwner()) && f.GetName() == "name"
+		return utils.IsGetRequestMessage(f.GetOwner()) && f.GetName() == "name"
 	},
 	LintField: utils.LintSingularStringField,
 }

rules/aip0131/request_name_reference.go

@@ -23,7 +23,7 @@ import (
 var requestNameReference = &lint.FieldRule{
 	Name: lint.NewRuleName(131, "request-name-reference"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isGetRequestMessage(f.GetOwner()) && f.GetName() == "name"
+		return utils.IsGetRequestMessage(f.GetOwner()) && f.GetName() == "name"
 	},
 	LintField: utils.LintFieldResourceReference,
 }

rules/aip0131/request_name_reference_type.go

@@ -25,7 +25,7 @@ import (
 var requestNameReferenceType = &lint.FieldRule{
 	Name: lint.NewRuleName(131, "request-name-reference-type"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isGetRequestMessage(f.GetOwner()) && f.GetName() == "name" && utils.GetResourceReference(f) != nil
+		return utils.IsGetRequestMessage(f.GetOwner()) && f.GetName() == "name" && utils.GetResourceReference(f) != nil
 	},
 	LintField: func(f *desc.FieldDescriptor) []lint.Problem {
 		if ref := utils.GetResourceReference(f); ref.GetType() == "" {

rules/aip0131/request_name_required.go

@@ -18,13 +18,14 @@ import (
 	"fmt"
 
 	"github.com/googleapis/api-linter/lint"
+	"github.com/googleapis/api-linter/rules/internal/utils"
 	"github.com/jhump/protoreflect/desc"
 )
 
 // The Get standard method should have some required fields.
 var requestNameRequired = &lint.MessageRule{
 	Name:   lint.NewRuleName(131, "request-name-required"),
-	OnlyIf: isGetRequestMessage,
+	OnlyIf: utils.IsGetRequestMessage,
 	LintMessage: func(m *desc.MessageDescriptor) []lint.Problem {
 		if m.FindFieldByName("name") == nil {
 			return []lint.Problem{{

rules/aip0131/request_required_fields.go

@@ -26,7 +26,7 @@ import (
 // The get request message should not have unrecognized fields.
 var requestRequiredFields = &lint.MessageRule{
 	Name:   lint.NewRuleName(131, "request-required-fields"),
-	OnlyIf: isGetRequestMessage,
+	OnlyIf: utils.IsGetRequestMessage,
 	LintMessage: func(m *desc.MessageDescriptor) (problems []lint.Problem) {
 		// Rule check: Establish that there are no unexpected fields.
 		allowedRequiredFields := stringset.New("name")

rules/aip0131/request_unknown_fields.go

@@ -20,14 +20,15 @@ import (
 	"bitbucket.org/creachadair/stringset"
 
 	"github.com/googleapis/api-linter/lint"
+	"github.com/googleapis/api-linter/rules/internal/utils"
 	"github.com/jhump/protoreflect/desc"
 )
 
 // Get methods should not have unrecognized fields.
 var unknownFields = &lint.FieldRule{
 	Name: lint.NewRuleName(131, "request-unknown-fields"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isGetRequestMessage(f.GetOwner())
+		return utils.IsGetRequestMessage(f.GetOwner())
 	},
 	LintField: func(field *desc.FieldDescriptor) []lint.Problem {
 		allowedFields := stringset.New("name", "read_mask", "view")

rules/aip0132/aip0132.go

@@ -16,11 +16,7 @@
 package aip0132
 
 import (
-	"regexp"
-
 	"github.com/googleapis/api-linter/lint"
-	"github.com/googleapis/api-linter/rules/aip0162"
-	"github.com/jhump/protoreflect/desc"
 )
 
 // AddRules adds all of the AIP-132 rules to the provided registry.
@@ -46,18 +42,3 @@ func AddRules(r lint.RuleRegistry) error {
 		unknownFields,
 	)
 }
-
-var (
-	listReqMessageRegexp  = regexp.MustCompile("^List[A-Za-z0-9]*Request$")
-	listRespMessageRegexp = regexp.MustCompile("^List([A-Za-z0-9]*)Response$")
-)
-
-// Return true if this is an AIP-132 List request message, false otherwise.
-func isListRequestMessage(m *desc.MessageDescriptor) bool {
-	return listReqMessageRegexp.MatchString(m.GetName()) && !aip0162.IsListRevisionsRequestMessage(m)
-}
-
-// Return true if this is an AIP-132 List response message, false otherwise.
-func isListResponseMessage(m *desc.MessageDescriptor) bool {
-	return listRespMessageRegexp.MatchString(m.GetName()) && !aip0162.IsListRevisionsResponseMessage(m)
-}

rules/aip0132/request_field_types.go

@@ -30,7 +30,7 @@ var knownFields = map[string]func(*desc.FieldDescriptor) []lint.Problem{
 var requestFieldTypes = &lint.FieldRule{
 	Name: lint.NewRuleName(132, "request-field-types"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isListRequestMessage(f.GetOwner()) && knownFields[f.GetName()] != nil
+		return utils.IsListRequestMessage(f.GetOwner()) && knownFields[f.GetName()] != nil
 	},
 	LintField: func(f *desc.FieldDescriptor) []lint.Problem {
 		return knownFields[f.GetName()](f)

rules/aip0132/request_parent_behavior.go

@@ -23,7 +23,7 @@ import (
 var requestParentBehavior = &lint.FieldRule{
 	Name: lint.NewRuleName(132, "request-parent-behavior"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isListRequestMessage(f.GetOwner()) && f.GetName() == "parent"
+		return utils.IsListRequestMessage(f.GetOwner()) && f.GetName() == "parent"
 	},
 	LintField: utils.LintRequiredField,
 }

rules/aip0132/request_parent_field.go

@@ -25,7 +25,7 @@ import (
 var requestParentField = &lint.FieldRule{
 	Name: lint.NewRuleName(132, "request-parent-field"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isListRequestMessage(f.GetOwner()) && f.GetName() == "parent"
+		return utils.IsListRequestMessage(f.GetOwner()) && f.GetName() == "parent"
 	},
 	LintField: utils.LintSingularStringField,
 }

rules/aip0132/request_parent_reference.go

@@ -23,7 +23,7 @@ import (
 var requestParentReference = &lint.FieldRule{
 	Name: lint.NewRuleName(132, "request-parent-reference"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isListRequestMessage(f.GetOwner()) && f.GetName() == "parent"
+		return utils.IsListRequestMessage(f.GetOwner()) && f.GetName() == "parent"
 	},
 	LintField: utils.LintFieldResourceReference,
 }

rules/aip0132/request_parent_required.go

@@ -13,7 +13,7 @@ import (
 // The List standard method should contain a parent field.
 var requestParentRequired = &lint.MessageRule{
 	Name:   lint.NewRuleName(132, "request-parent-required"),
-	OnlyIf: isListRequestMessage,
+	OnlyIf: utils.IsListRequestMessage,
 	LintMessage: func(m *desc.MessageDescriptor) []lint.Problem {
 		// Rule check: Establish that a `parent` field is present.
 		if m.FindFieldByName("parent") == nil {

rules/aip0132/request_parent_valid_reference.go

@@ -28,7 +28,7 @@ var requestParentValidReference = &lint.FieldRule{
 	Name: lint.NewRuleName(132, "request-parent-valid-reference"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
 		ref := utils.GetResourceReference(f)
-		return isListRequestMessage(f.GetOwner()) && f.GetName() == "parent" && ref != nil && ref.GetType() != ""
+		return utils.IsListRequestMessage(f.GetOwner()) && f.GetName() == "parent" && ref != nil && ref.GetType() != ""
 	},
 	LintField: func(f *desc.FieldDescriptor) []lint.Problem {
 		p := f.GetParent()

rules/aip0132/request_required_fields.go

@@ -26,7 +26,7 @@ import (
 // The list request message should not have unrecognized fields.
 var requestRequiredFields = &lint.MessageRule{
 	Name:   lint.NewRuleName(132, "request-required-fields"),
-	OnlyIf: isListRequestMessage,
+	OnlyIf: utils.IsListRequestMessage,
 	LintMessage: func(m *desc.MessageDescriptor) (problems []lint.Problem) {
 		// Rule check: Establish that there are no unexpected fields.
 		allowedRequiredFields := stringset.New("parent")

rules/aip0132/request_show_deleted_required.go

@@ -15,7 +15,7 @@ import (
 var requestShowDeletedRequired = &lint.MessageRule{
 	Name: lint.NewRuleName(132, "request-show-deleted-required"),
 	OnlyIf: func(m *desc.MessageDescriptor) bool {
-		if !isListRequestMessage(m) {
+		if !utils.IsListRequestMessage(m) {
 			return false
 		}
 		// Check for soft-delete support by getting the resource name

rules/aip0132/request_unknown_fields.go

@@ -17,6 +17,7 @@ package aip0132
 import (
 	"bitbucket.org/creachadair/stringset"
 	"github.com/googleapis/api-linter/lint"
+	"github.com/googleapis/api-linter/rules/internal/utils"
 	"github.com/jhump/protoreflect/desc"
 )
 
@@ -36,7 +37,7 @@ var allowedFields = stringset.New(
 var unknownFields = &lint.FieldRule{
 	Name: lint.NewRuleName(132, "request-unknown-fields"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isListRequestMessage(f.GetOwner())
+		return utils.IsListRequestMessage(f.GetOwner())
 	},
 	LintField: func(field *desc.FieldDescriptor) []lint.Problem {
 		if !allowedFields.Contains(field.GetName()) {

rules/aip0132/response_unknown_fields.go

@@ -21,7 +21,6 @@ import (
 	"github.com/googleapis/api-linter/lint"
 	"github.com/googleapis/api-linter/rules/internal/utils"
 	"github.com/jhump/protoreflect/desc"
-	"github.com/stoewer/go-strcase"
 )
 
 // The resource itself is not included here, but also permitted.
@@ -36,12 +35,11 @@ var respAllowedFields = stringset.New(
 var responseUnknownFields = &lint.FieldRule{
 	Name: lint.NewRuleName(132, "response-unknown-fields"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isListResponseMessage(f.GetOwner())
+		return utils.IsListResponseMessage(f.GetOwner())
 	},
 	LintField: func(f *desc.FieldDescriptor) []lint.Problem {
 		// A repeated variant of the resource should be permitted.
-		msgName := f.GetOwner().GetName()
-		resource := strcase.SnakeCase(listRespMessageRegexp.FindStringSubmatch(msgName)[1])
+		resource := utils.ListResponseResourceName(f.GetOwner())
 		if strings.HasSuffix(resource, "_revisions") {
 			// This is an AIP-162 ListFooRevisions response, which is subtly
 			// different from an AIP-132 List response. We need to modify the RPC

rules/aip0133/aip0133.go

@@ -16,7 +16,6 @@
 package aip0133
 
 import (
-	"regexp"
 	"strings"
 
 	"github.com/googleapis/api-linter/lint"
@@ -50,15 +49,6 @@ func AddRules(r lint.RuleRegistry) error {
 	)
 }
 
-var (
-	createReqMessageRegexp = regexp.MustCompile("^Create[A-Za-z0-9]*Request$")
-)
-
-// Returns true if this is an AIP-133 Get request message, false otherwise.
-func isCreateRequestMessage(m *desc.MessageDescriptor) bool {
-	return createReqMessageRegexp.MatchString(m.GetName())
-}
-
 // get resource message type name from method
 func getResourceMsgName(m *desc.MethodDescriptor) string {
 	// Usually the response message will be the resource message, and its name will

rules/aip0133/request_id_field.go

@@ -26,7 +26,7 @@ import (
 
 var requestIDField = &lint.MessageRule{
 	Name:   lint.NewRuleName(133, "request-id-field"),
-	OnlyIf: isCreateRequestMessage,
+	OnlyIf: utils.IsCreateRequestMessage,
 	LintMessage: func(m *desc.MessageDescriptor) []lint.Problem {
 		idField := strcase.SnakeCase(strings.TrimPrefix(strings.TrimSuffix(m.GetName(), "Request"), "Create")) + "_id"
 		if field := m.FindFieldByName(idField); field == nil || utils.GetTypeName(field) != "string" || field.IsRepeated() {

rules/aip0133/request_parent_behavior.go

@@ -23,7 +23,7 @@ import (
 var requestParentBehavior = &lint.FieldRule{
 	Name: lint.NewRuleName(133, "request-parent-behavior"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isCreateRequestMessage(f.GetOwner()) && f.GetName() == "parent"
+		return utils.IsCreateRequestMessage(f.GetOwner()) && f.GetName() == "parent"
 	},
 	LintField: utils.LintRequiredField,
 }

rules/aip0133/request_parent_field.go

@@ -24,7 +24,7 @@ import (
 var requestParentField = &lint.FieldRule{
 	Name: lint.NewRuleName(133, "request-parent-field"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isCreateRequestMessage(f.GetOwner()) && f.GetName() == "parent"
+		return utils.IsCreateRequestMessage(f.GetOwner()) && f.GetName() == "parent"
 	},
 	LintField: utils.LintSingularStringField,
 }

rules/aip0133/request_parent_reference.go

@@ -23,7 +23,7 @@ import (
 var requestParentReference = &lint.FieldRule{
 	Name: lint.NewRuleName(133, "request-parent-reference"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
-		return isCreateRequestMessage(f.GetOwner()) && f.GetName() == "parent"
+		return utils.IsCreateRequestMessage(f.GetOwner()) && f.GetName() == "parent"
 	},
 	LintField: utils.LintFieldResourceReference,
 }

rules/aip0133/request_parent_required.go

@@ -12,7 +12,7 @@ import (
 
 var requestParentRequired = &lint.MessageRule{
 	Name:   lint.NewRuleName(133, "request-parent-required"),
-	OnlyIf: isCreateRequestMessage,
+	OnlyIf: utils.IsCreateRequestMessage,
 	LintMessage: func(m *desc.MessageDescriptor) []lint.Problem {
 		if m.FindFieldByName("parent") == nil {
 			// Sanity check: If the resource has a pattern, and that pattern

rules/aip0133/request_resource_behavior.go

@@ -24,7 +24,7 @@ var requestResourceBehavior = &lint.FieldRule{
 	Name: lint.NewRuleName(133, "request-resource-behavior"),
 	OnlyIf: func(f *desc.FieldDescriptor) bool {
 		message := f.GetOwner()
-		if !isCreateRequestMessage(message) {
+		if !utils.IsCreateRequestMessage(message) {
 			return false
 		}
 		resourceMsgName := getResourceMsgNameFromReq(message)

rules/aip0133/request_resource_field.go

@@ -19,14 +19,15 @@ import (
 
 	"github.com/googleapis/api-linter/lint"
 	"github.com/googleapis/api-linter/locations"
+	"github.com/googleapis/api-linter/rules/internal/utils"
 	"github.com/jhump/protoreflect/desc"
 	"github.com/stoewer/go-strcase"
 )
 
 // The create request message should have resource field.
 var resourceField = &lint.MessageRule{
 	Name:   lint.NewRuleName(133, "request-resource-field"),
-	OnlyIf: isCreateRequestMessage,
+	OnlyIf: utils.IsCreateRequestMessage,
 	LintMessage: func(m *desc.MessageDescriptor) []lint.Problem {
 		resourceMsgName := getResourceMsgNameFromReq(m)
 

rules/aip0133/request_unknown_fields.go

@@ -19,6 +19,7 @@ import (
 	"strings"
 
 	"github.com/googleapis/api-linter/lint"
+	"github.com/googleapis/api-linter/rules/internal/utils"
 	"github.com/jhump/protoreflect/desc"
 	"github.com/jhump/protoreflect/desc/builder"
 	"github.com/stoewer/go-strcase"
@@ -27,7 +28,7 @@ import (
 // The create request message should not have unrecognized fields.
 var unknownFields = &lint.MessageRule{
 	Name:   lint.NewRuleName(133, "request-unknown-fields"),
-	OnlyIf: isCreateRequestMessage,
+	OnlyIf: utils.IsCreateRequestMessage,
 	LintMessage: func(m *desc.MessageDescriptor) (problems []lint.Problem) {
 		resourceMsgName := getResourceMsgNameFromReq(m)
 

rules/aip0134/aip0134.go

@@ -16,11 +16,9 @@
 package aip0134
 
 import (
-	"regexp"
 	"strings"
 
 	"github.com/googleapis/api-linter/lint"
-	"github.com/jhump/protoreflect/desc"
 	"github.com/stoewer/go-strcase"
 )
 
@@ -47,15 +45,6 @@ func AddRules(r lint.RuleRegistry) error {
 	)
 }
 
-var (
-	updateReqMessageRegexp = regexp.MustCompile("^Update[A-Za-z0-9]*Request$")
-)
-
-// Returns true if this is an AIP-134 Update request message, false otherwise.
-func isUpdateRequestMessage(m *desc.MessageDescriptor) bool {
-	return updateReqMessageRegexp.MatchString(m.GetName())
-}
-
 func extractResource(reqName string) string {
 	// Strips "Update" from the beginning and "Request" from the end.
 	return reqName[6 : len(reqName)-7]

rules/aip0134/request_allow_missing_field.go

@@ -23,7 +23,7 @@ import (
 var allowMissing = &lint.MessageRule{
 	Name: lint.NewRuleName(134, "request-allow-missing-field"),
 	OnlyIf: func(m *desc.MessageDescriptor) bool {
-		if !isUpdateRequestMessage(m) {
+		if !utils.IsUpdateRequestMessage(m) {
 			return false
 		}
 		r := utils.DeclarativeFriendlyResource(m)