Chore: move rule parser to rules

rules/parser.go

@@ -0,0 +1,47 @@
+package rules
+
+import (
+	"fmt"
+
+	C "github.com/Dreamacro/clash/constant"
+)
+
+func ParseRule(tp, payload, target string, params []string) (C.Rule, error) {
+	var (
+		parseErr error
+		parsed   C.Rule
+	)
+
+	switch tp {
+	case "DOMAIN":
+		parsed = NewDomain(payload, target)
+	case "DOMAIN-SUFFIX":
+		parsed = NewDomainSuffix(payload, target)
+	case "DOMAIN-KEYWORD":
+		parsed = NewDomainKeyword(payload, target)
+	case "GEOIP":
+		noResolve := HasNoResolve(params)
+		parsed = NewGEOIP(payload, target, noResolve)
+	case "IP-CIDR", "IP-CIDR6":
+		noResolve := HasNoResolve(params)
+		parsed, parseErr = NewIPCIDR(payload, target, WithIPCIDRNoResolve(noResolve))
+	// deprecated when bump to 1.0
+	case "SOURCE-IP-CIDR":
+		fallthrough
+	case "SRC-IP-CIDR":
+		parsed, parseErr = NewIPCIDR(payload, target, WithIPCIDRSourceIP(true), WithIPCIDRNoResolve(true))
+	case "SRC-PORT":
+		parsed, parseErr = NewPort(payload, target, true)
+	case "DST-PORT":
+		parsed, parseErr = NewPort(payload, target, false)
+	case "MATCH":
+		fallthrough
+	// deprecated when bump to 1.0
+	case "FINAL":
+		parsed = NewMatch(target)
+	default:
+		parseErr = fmt.Errorf("unsupported rule type %s", tp)
+	}
+
+	return parsed, parseErr
+}