func()

in src/go/configinfo/service_info.go [365:415]

• 47 lines of code
• 9 McCabe index (conditional complexity)

func (s *ServiceInfo) addHttpRule(method *MethodInfo, r *annotationspb.HttpRule, addedRouteMatchWithOptionsSet map[string]bool, disallowColonInWildcardPathSegment bool) error {
	var path string
	var uriTemplate *httppattern.UriTemplate
	var parseError error
	var httpMethod string
	switch r.GetPattern().(type) {
	case *annotationspb.HttpRule_Get:
		path = r.GetGet()
		uriTemplate, parseError = httppattern.ParseUriTemplate(path)
		httpMethod = util.GET
	case *annotationspb.HttpRule_Put:
		path = r.GetPut()
		uriTemplate, parseError = httppattern.ParseUriTemplate(path)
		httpMethod = util.PUT
	case *annotationspb.HttpRule_Post:
		path = r.GetPost()
		uriTemplate, parseError = httppattern.ParseUriTemplate(path)
		httpMethod = util.POST
	case *annotationspb.HttpRule_Delete:
		path = r.GetDelete()
		uriTemplate, parseError = httppattern.ParseUriTemplate(path)
		httpMethod = util.DELETE
	case *annotationspb.HttpRule_Patch:
		path = r.GetPatch()
		uriTemplate, parseError = httppattern.ParseUriTemplate(path)
		httpMethod = util.PATCH
	case *annotationspb.HttpRule_Custom:
		path = r.GetCustom().GetPath()
		uriTemplate, parseError = httppattern.ParseUriTemplate(path)
		httpMethod = r.GetCustom().GetKind()
	default:
		return fmt.Errorf("error parsing http rule type for operation (%s): unsupported http method %T", method.Operation(), r.GetPattern())
	}

	if parseError != nil {
		return fmt.Errorf("error parsing http rule address for operation (%s): %v", method.Operation(), parseError)
	}

	if httpMethod == util.OPTIONS {
		routeMatch := uriTemplate.Regex(disallowColonInWildcardPathSegment)
		addedRouteMatchWithOptionsSet[routeMatch] = true
	}

	httpRule := &httppattern.Pattern{
		HttpMethod:  httpMethod,
		UriTemplate: uriTemplate,
	}

	method.HttpRule = append(method.HttpRule, httpRule)
	return nil
}