Chore: move "geodata" to package "component"

component/geodata/standard/standard.go

@@ -0,0 +1,83 @@
+package standard
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"strings"
+
+	"github.com/Dreamacro/clash/component/geodata"
+	"github.com/Dreamacro/clash/component/geodata/router"
+	C "github.com/Dreamacro/clash/constant"
+	"google.golang.org/protobuf/proto"
+)
+
+func ReadFile(path string) ([]byte, error) {
+	reader, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer func(reader *os.File) {
+		_ = reader.Close()
+	}(reader)
+
+	return io.ReadAll(reader)
+}
+
+func ReadAsset(file string) ([]byte, error) {
+	return ReadFile(C.Path.GetAssetLocation(file))
+}
+
+func loadIP(filename, country string) ([]*router.CIDR, error) {
+	geoipBytes, err := ReadAsset(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
+	}
+	var geoipList router.GeoIPList
+	if err := proto.Unmarshal(geoipBytes, &geoipList); err != nil {
+		return nil, err
+	}
+
+	for _, geoip := range geoipList.Entry {
+		if strings.EqualFold(geoip.CountryCode, country) {
+			return geoip.Cidr, nil
+		}
+	}
+
+	return nil, fmt.Errorf("country not found in %s%s%s", filename, ": ", country)
+}
+
+func loadSite(filename, list string) ([]*router.Domain, error) {
+	geositeBytes, err := ReadAsset(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open file: %s, base error: %s", filename, err.Error())
+	}
+	var geositeList router.GeoSiteList
+	if err := proto.Unmarshal(geositeBytes, &geositeList); err != nil {
+		return nil, err
+	}
+
+	for _, site := range geositeList.Entry {
+		if strings.EqualFold(site.CountryCode, list) {
+			return site.Domain, nil
+		}
+	}
+
+	return nil, fmt.Errorf("list not found in %s%s%s", filename, ": ", list)
+}
+
+type standardLoader struct{}
+
+func (d standardLoader) LoadSite(filename, list string) ([]*router.Domain, error) {
+	return loadSite(filename, list)
+}
+
+func (d standardLoader) LoadIP(filename, country string) ([]*router.CIDR, error) {
+	return loadIP(filename, country)
+}
+
+func init() {
+	geodata.RegisterGeoDataLoaderImplementationCreator("standard", func() geodata.LoaderImplementation {
+		return standardLoader{}
+	})
+}