58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
package grpc
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import (
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"fmt"
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"strings"
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)
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// ServiceMethod converts a gRPC method to a Go method
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// Input:
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// Foo.Bar, /Foo/Bar, /package.Foo/Bar, /a.package.Foo/Bar
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// Output:
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// [Foo, Bar]
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func ServiceMethod(m string) (string, string, error) {
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if len(m) == 0 {
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return "", "", fmt.Errorf("malformed method name: %q", m)
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}
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// grpc method
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if m[0] == '/' {
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// [ , Foo, Bar]
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// [ , package.Foo, Bar]
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// [ , a.package.Foo, Bar]
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parts := strings.Split(m, "/")
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if len(parts) != 3 || len(parts[1]) == 0 || len(parts[2]) == 0 {
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return "", "", fmt.Errorf("malformed method name: %q", m)
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}
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service := strings.Split(parts[1], ".")
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return service[len(service)-1], parts[2], nil
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}
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// non grpc method
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parts := strings.Split(m, ".")
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// expect [Foo, Bar]
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if len(parts) != 2 {
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return "", "", fmt.Errorf("malformed method name: %q", m)
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}
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return parts[0], parts[1], nil
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}
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// ServiceFromMethod returns the service
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// /service.Foo/Bar => service
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func ServiceFromMethod(m string) string {
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if len(m) == 0 {
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return m
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}
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if m[0] != '/' {
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return m
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}
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parts := strings.Split(m, "/")
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if len(parts) < 3 {
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return m
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}
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parts = strings.Split(parts[1], ".")
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return strings.Join(parts[:len(parts)-1], ".")
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}
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