Style: code style

rule/domain_suffix.go

@@ -0,0 +1,43 @@
+package rules
+
+import (
+	"strings"
+
+	C "github.com/Dreamacro/clash/constant"
+)
+
+type DomainSuffix struct {
+	suffix  string
+	adapter string
+}
+
+func (ds *DomainSuffix) RuleType() C.RuleType {
+	return C.DomainSuffix
+}
+
+func (ds *DomainSuffix) Match(metadata *C.Metadata) bool {
+	if metadata.AddrType != C.AtypDomainName {
+		return false
+	}
+	domain := metadata.Host
+	return strings.HasSuffix(domain, "."+ds.suffix) || domain == ds.suffix
+}
+
+func (ds *DomainSuffix) Adapter() string {
+	return ds.adapter
+}
+
+func (ds *DomainSuffix) Payload() string {
+	return ds.suffix
+}
+
+func (ds *DomainSuffix) ShouldResolveIP() bool {
+	return false
+}
+
+func NewDomainSuffix(suffix string, adapter string) *DomainSuffix {
+	return &DomainSuffix{
+		suffix:  strings.ToLower(suffix),
+		adapter: adapter,
+	}
+}