feat: implement demangle decoder

Author: Huweicai

decoder/common.go

@@ -36,6 +36,7 @@ var Decoders = []Decoder{
 	new(CIDRDecoder),
 	new(StaticConfigDecoder),
 	new(UnitDecoder),
+	new(DemangleDecoder),
 }
 
 type Decoder interface {

decoder/demangle.go

@@ -0,0 +1,30 @@
+package decoder
+
+import (
+	"strings"
+
+	"github.com/ianlancetaylor/demangle"
+)
+
+type DemangleDecoder struct {
+}
+
+func (h DemangleDecoder) Sniffer(text string) Possibility {
+	return MayBe
+}
+
+func (h DemangleDecoder) Decode(text string) (interface{}, bool) {
+	output, err := demangle.ToString(strings.TrimSpace(text))
+	if err != nil {
+		return nil, false
+	}
+
+	return &DecodeResult{
+		DecoderName: "C++/Rust Symbol Demangle",
+		Result:      output,
+	}, true
+}
+
+func (h DemangleDecoder) Encode(text string) (interface{}, bool) {
+	return nil, false
+}

go.mod

@@ -5,6 +5,7 @@ go 1.18
 require gopkg.in/yaml.v3 v3.0.1
 
 require (
+	github.com/ianlancetaylor/demangle v0.0.0-20230524184225-eabc099b10ab // indirect
 	github.com/samber/lo v1.21.0 // indirect
 	golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17 // indirect
 )

go.sum

@@ -1,3 +1,5 @@
+github.com/ianlancetaylor/demangle v0.0.0-20230524184225-eabc099b10ab h1:BA4a7pe6ZTd9F8kXETBoijjFJ/ntaa//1wiH9BZu4zU=
+github.com/ianlancetaylor/demangle v0.0.0-20230524184225-eabc099b10ab/go.mod h1:gx7rwoVhcfuVKG5uya9Hs3Sxj7EIvldVofAWIUtGouw=
 github.com/samber/lo v1.21.0 h1:FSby8pJQtX4KmyddTCCGhc3JvnnIVrDA+NW37rG+7G8=
 github.com/samber/lo v1.21.0/go.mod h1:2I7tgIv8Q1SG2xEIkRq0F2i2zgxVpnyPOP0d3Gj2r+A=
 golang.org/x/exp v0.0.0-20220303212507-bbda1eaf7a17 h1:3MTrJm4PyNL9NBqvYDSj3DHl46qQakyfqfWo4jgfaEM=