Add new langNumFmtFunc in numfmt

numfmt.go

@@ -58,6 +58,10 @@
 	CultureNameUnknown CultureName = iota
 	CultureNameEnUS
 	CultureNameZhCN
+	CultureNameZhTW
+	CultureNameJaJP
+	CultureNameKoKR
+	CultureNameThTH
 )
 
 var (
@@ -4782,6 +4786,54 @@
 	return langNumFmt["zh-cn"][numFmtID]
 }
 
+// langNumFmtFuncZhTW returns number format code by given date and time pattern
+// for country code zh-tw.
+func (f *File) langNumFmtFuncZhTW(numFmtID int) string {
+	if numFmtID == 30 && f.options.ShortDatePattern != "" {
+		return f.options.ShortDatePattern
+	}
+	if (32 <= numFmtID && numFmtID <= 33) && f.options.LongTimePattern != "" {
+		return f.options.LongTimePattern
+	}
+	return langNumFmt["zh-tw"][numFmtID]
+}
+
+// langNumFmtFuncJaJP returns number format code by given date and time pattern
+// for country code ja-jp.
+func (f *File) langNumFmtFuncJaJP(numFmtID int) string {
+	if numFmtID == 30 && f.options.ShortDatePattern != "" {
+		return f.options.ShortDatePattern
+	}
+	if (32 <= numFmtID && numFmtID <= 33) && f.options.LongTimePattern != "" {
+		return f.options.LongTimePattern
+	}
+	return langNumFmt["ja-jp"][numFmtID]
+}
+
+// langNumFmtFuncKoKR returns number format code by given date and time pattern
+// for country code ko-kr.
+func (f *File) langNumFmtFuncKoKR(numFmtID int) string {
+	if numFmtID == 30 && f.options.ShortDatePattern != "" {
+		return f.options.ShortDatePattern
+	}
+	if (32 <= numFmtID && numFmtID <= 33) && f.options.LongTimePattern != "" {
+		return f.options.LongTimePattern
+	}
+	return langNumFmt["ko-kr"][numFmtID]
+}
+
+// langNumFmtFuncThTH returns number format code by given date and time pattern
+// for country code th-th.
+func (f *File) langNumFmtFuncThTH(numFmtID int) string {
+	if numFmtID == 71 && f.options.ShortDatePattern != "" {
+		return f.options.ShortDatePattern
+	}
+	if numFmtID == 76 && f.options.LongTimePattern != "" {
+		return f.options.LongTimePattern
+	}
+	return langNumFmt["th-th"][numFmtID]
+}
+
 // getBuiltInNumFmtCode convert number format index to number format code with
 // specified locale and language.
 func (f *File) getBuiltInNumFmtCode(numFmtID int) (string, bool) {
@@ -4795,6 +4847,18 @@
 		if f.options.CultureInfo == CultureNameZhCN {
 			return f.langNumFmtFuncZhCN(numFmtID), true
 		}
+		if f.options.CultureInfo == CultureNameZhTW {
+			return f.langNumFmtFuncZhTW(numFmtID), true
+		}
+		if f.options.CultureInfo == CultureNameJaJP {
+			return f.langNumFmtFuncJaJP(numFmtID), true
+		}
+		if f.options.CultureInfo == CultureNameKoKR {
+			return f.langNumFmtFuncKoKR(numFmtID), true
+		}
+		if f.options.CultureInfo == CultureNameThTH {
+			return f.langNumFmtFuncThTH(numFmtID), true
+		}
 	}
 	return "", false
 }

numfmt_test.go

@@ -3668,3 +3668,74 @@ func TestNumFmt(t *testing.T) {
 	assert.Equal(t, ErrUnsupportedNumberFormat, err)
 	assert.False(t, changeNumFmtCode)
 }
+
+func TestLangNumFmtFunc(t *testing.T) {
+	shortDatePattern, longTimePattern := "M/d/yy", "h:mm:ss"
+	t.Run("test langNumFmtFuncZhTW", func(t *testing.T) {
+		f := NewFile(Options{
+			CultureInfo:      CultureNameZhTW,
+			ShortDatePattern: shortDatePattern,
+			LongTimePattern:  longTimePattern,
+		})
+		for k, v := range langNumFmt["zh-tw"] {
+			if k == 30 {
+				assert.Equal(t, f.langNumFmtFuncZhTW(k), shortDatePattern)
+			} else if 32 <= k && k <= 33 {
+				assert.Equal(t, f.langNumFmtFuncZhTW(k), longTimePattern)
+			} else {
+				assert.Equal(t, f.langNumFmtFuncZhTW(k), v)
+			}
+		}
+	})
+
+	t.Run("test langNumFmtFuncJaJP", func(t *testing.T) {
+		f := NewFile(Options{
+			CultureInfo:      CultureNameJaJP,
+			ShortDatePattern: shortDatePattern,
+			LongTimePattern:  longTimePattern,
+		})
+		for k, v := range langNumFmt["ja-jp"] {
+			if k == 30 {
+				assert.Equal(t, f.langNumFmtFuncJaJP(k), shortDatePattern)
+			} else if 32 <= k && k <= 33 {
+				assert.Equal(t, f.langNumFmtFuncJaJP(k), longTimePattern)
+			} else {
+				assert.Equal(t, f.langNumFmtFuncJaJP(k), v)
+			}
+		}
+	})
+
+	t.Run("test langNumFmtFuncKoKR", func(t *testing.T) {
+		f := NewFile(Options{
+			CultureInfo:      CultureNameKoKR,
+			ShortDatePattern: shortDatePattern,
+			LongTimePattern:  longTimePattern,
+		})
+		for k, v := range langNumFmt["ko-kr"] {
+			if k == 30 {
+				assert.Equal(t, f.langNumFmtFuncKoKR(k), shortDatePattern)
+			} else if 32 <= k && k <= 33 {
+				assert.Equal(t, f.langNumFmtFuncKoKR(k), longTimePattern)
+			} else {
+				assert.Equal(t, f.langNumFmtFuncKoKR(k), v)
+			}
+		}
+	})
+
+	t.Run("test langNumFmtFuncThTH", func(t *testing.T) {
+		f := NewFile(Options{
+			CultureInfo:      CultureNameThTH,
+			ShortDatePattern: shortDatePattern,
+			LongTimePattern:  longTimePattern,
+		})
+		for k, v := range langNumFmt["th-th"] {
+			if k == 71 {
+				assert.Equal(t, f.langNumFmtFuncThTH(k), shortDatePattern)
+			} else if k == 76 {
+				assert.Equal(t, f.langNumFmtFuncThTH(k), longTimePattern)
+			} else {
+				assert.Equal(t, f.langNumFmtFuncThTH(k), v)
+			}
+		}
+	})
+}