Method typeDecoder

internal/apijson/decoder.go:109–142

(t reflect.Type)

}

func (d *decoderBuilder) typeDecoder(t reflect.Type) decoderFunc {
	entry := decoderEntry{
		typ:        t,
		dateFormat: d.dateFormat,
		root:       d.root,
	}

	if fi, ok := decoders.Load(entry); ok {
		return fi.(decoderFunc)
	}

	// To deal with recursive types, populate the map with an
	// indirect func before we build it. This type waits on the
	// real func (f) to be ready and then calls it. This indirect
	// func is only used for recursive types.
	var (
		wg sync.WaitGroup
		f  decoderFunc
	)
	wg.Add(1)
	fi, loaded := decoders.LoadOrStore(entry, decoderFunc(func(node gjson.Result, v reflect.Value, state *decoderState) error {
		wg.Wait()
		return f(node, v, state)
	}))
	if loaded {
		return fi.(decoderFunc)
	}

	// Compute the real decoder and replace the indirect func with it.
	f = d.newTypeDecoder(t)
	wg.Done()
	decoders.Store(entry, f)
	return f
}

// validatedTypeDecoder wraps the type decoder with a validator. This is helpful
// for ensuring that enum fields are correct.