refactored gametime and utils folder which decouples entrance and sign from channel servers

utils/stringsupport/string_convert.go

@@ -0,0 +1,136 @@
+package stringsupport
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"strconv"
+	"strings"
+
+	"golang.org/x/text/encoding/japanese"
+	"golang.org/x/text/transform"
+)
+
+func UTF8ToSJIS(x string) []byte {
+	e := japanese.ShiftJIS.NewEncoder()
+	xt, _, err := transform.String(e, x)
+	if err != nil {
+		panic(err)
+	}
+	return []byte(xt)
+}
+
+func SJISToUTF8(b []byte) string {
+	d := japanese.ShiftJIS.NewDecoder()
+	result, err := io.ReadAll(transform.NewReader(bytes.NewReader(b), d))
+	if err != nil {
+		panic(err)
+	}
+	return string(result)
+}
+
+func ToNGWord(x string) []uint16 {
+	var w []uint16
+	for _, r := range []rune(x) {
+		if r > 0xFF {
+			t := UTF8ToSJIS(string(r))
+			if len(t) > 1 {
+				w = append(w, uint16(t[1])<<8|uint16(t[0]))
+			} else {
+				w = append(w, uint16(t[0]))
+			}
+		} else {
+			w = append(w, uint16(r))
+		}
+	}
+	return w
+}
+
+func PaddedString(x string, size uint, t bool) []byte {
+	if t {
+		e := japanese.ShiftJIS.NewEncoder()
+		xt, _, err := transform.String(e, x)
+		if err != nil {
+			return make([]byte, size)
+		}
+		x = xt
+	}
+	out := make([]byte, size)
+	copy(out, x)
+	out[len(out)-1] = 0
+	return out
+}
+
+func CSVAdd(csv string, v int) string {
+	if len(csv) == 0 {
+		return strconv.Itoa(v)
+	}
+	if CSVContains(csv, v) {
+		return csv
+	} else {
+		return csv + "," + strconv.Itoa(v)
+	}
+}
+
+func CSVRemove(csv string, v int) string {
+	s := strings.Split(csv, ",")
+	for i, e := range s {
+		if e == strconv.Itoa(v) {
+			s[i] = s[len(s)-1]
+			s = s[:len(s)-1]
+		}
+	}
+	return strings.Join(s, ",")
+}
+
+func CSVContains(csv string, v int) bool {
+	s := strings.Split(csv, ",")
+	for i := 0; i < len(s); i++ {
+		j, _ := strconv.ParseInt(s[i], 10, 32)
+		if int(j) == v {
+			return true
+		}
+	}
+	return false
+}
+
+func CSVLength(csv string) int {
+	if csv == "" {
+		return 0
+	}
+	s := strings.Split(csv, ",")
+	return len(s)
+}
+
+func CSVElems(csv string) []int {
+	var r []int
+	if csv == "" {
+		return r
+	}
+	s := strings.Split(csv, ",")
+	for i := 0; i < len(s); i++ {
+		j, _ := strconv.ParseInt(s[i], 10, 32)
+		r = append(r, int(j))
+	}
+	return r
+}
+
+func CSVGetIndex(csv string, i int) int {
+	s := CSVElems(csv)
+	if i < len(s) {
+		return s[i]
+	}
+	return 0
+}
+
+func CSVSetIndex(csv string, i int, v int) string {
+	s := CSVElems(csv)
+	if i < len(s) {
+		s[i] = v
+	}
+	var r []string
+	for j := 0; j < len(s); j++ {
+		r = append(r, fmt.Sprintf(`%d`, s[j]))
+	}
+	return strings.Join(r, ",")
+}