cli/algo/common/dispatch.go

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package common
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import (
"path/filepath"
"strings"
)
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type NewDecoderFunc func([]byte) Decoder
var decoderRegistry = make(map[string][]NewDecoderFunc)
func RegisterDecoder(ext string, dispatchFunc NewDecoderFunc) {
decoderRegistry[ext] = append(decoderRegistry[ext], dispatchFunc)
}
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func GetDecoder(filename string) []NewDecoderFunc {
ext := strings.ToLower(strings.TrimLeft(filepath.Ext(filename), "."))
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return decoderRegistry[ext]
}