55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
//go:build !sonic
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package nostr
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import (
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"bytes"
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"errors"
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)
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func NewMessageParser() MessageParser {
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return messageParser{}
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}
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type messageParser struct{}
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func (messageParser) ParseMessage(message []byte) (Envelope, error) {
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firstComma := bytes.Index(message, []byte{','})
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if firstComma == -1 {
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return nil, errors.New("malformed json")
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}
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label := message[0:firstComma]
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var v Envelope
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switch {
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case bytes.Contains(label, labelEvent):
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v = &EventEnvelope{}
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case bytes.Contains(label, labelReq):
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v = &ReqEnvelope{}
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case bytes.Contains(label, labelCount):
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v = &CountEnvelope{}
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case bytes.Contains(label, labelNotice):
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x := NoticeEnvelope("")
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v = &x
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case bytes.Contains(label, labelEose):
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x := EOSEEnvelope("")
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v = &x
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case bytes.Contains(label, labelOk):
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v = &OKEnvelope{}
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case bytes.Contains(label, labelAuth):
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v = &AuthEnvelope{}
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case bytes.Contains(label, labelClosed):
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v = &ClosedEnvelope{}
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case bytes.Contains(label, labelClose):
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x := CloseEnvelope("")
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v = &x
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default:
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return nil, UnknownLabel
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}
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if err := v.UnmarshalJSON(message); err != nil {
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return nil, err
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}
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return v, nil
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}
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