Migrate clashtcpip to gVisor tcpip copied

internal/gtcpip/header/ndpoptionidentifier_string.go

@@ -0,0 +1,58 @@
+// Copyright 2020 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by "stringer -type ndpOptionIdentifier"; DO NOT EDIT.
+
+package header
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[ndpSourceLinkLayerAddressOptionType-1]
+	_ = x[ndpTargetLinkLayerAddressOptionType-2]
+	_ = x[ndpPrefixInformationType-3]
+	_ = x[ndpNonceOptionType-14]
+	_ = x[ndpRecursiveDNSServerOptionType-25]
+	_ = x[ndpDNSSearchListOptionType-31]
+}
+
+const (
+	_ndpOptionIdentifier_name_0 = "ndpSourceLinkLayerAddressOptionTypendpTargetLinkLayerAddressOptionTypendpPrefixInformationType"
+	_ndpOptionIdentifier_name_1 = "ndpNonceOptionType"
+	_ndpOptionIdentifier_name_2 = "ndpRecursiveDNSServerOptionType"
+	_ndpOptionIdentifier_name_3 = "ndpDNSSearchListOptionType"
+)
+
+var (
+	_ndpOptionIdentifier_index_0 = [...]uint8{0, 35, 70, 94}
+)
+
+func (i ndpOptionIdentifier) String() string {
+	switch {
+	case 1 <= i && i <= 3:
+		i -= 1
+		return _ndpOptionIdentifier_name_0[_ndpOptionIdentifier_index_0[i]:_ndpOptionIdentifier_index_0[i+1]]
+	case i == 14:
+		return _ndpOptionIdentifier_name_1
+	case i == 25:
+		return _ndpOptionIdentifier_name_2
+	case i == 31:
+		return _ndpOptionIdentifier_name_3
+	default:
+		return "ndpOptionIdentifier(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+}