update

utils/str/str.go

@@ -0,0 +1,64 @@
+package str
+
+import (
+	"strings"
+	"unicode/utf8"
+)
+
+var utf8ToAscii = func() *strings.Replacer {
+	var utf8Map = map[string]string{
+		"'": `‘’‛′`,
+		`"`: `＂〃ˮײ᳓″‶˶ʺ“”˝‟`,
+		"-": `‐–—−―`,
+	}
+
+	list := make([]string, 0, len(utf8Map)*2)
+	for ascii, utf8 := range utf8Map {
+		for _, r := range utf8 {
+			list = append(list, string(r), ascii)
+		}
+	}
+	return strings.NewReplacer(list...)
+}()
+
+func Clear(name string) string {
+	return utf8ToAscii.Replace(name)
+}
+
+func LongestCommonPrefix(list []string) string {
+	if len(list) == 0 {
+		return ""
+	}
+
+	for l := 0; l < len(list[0]); l++ {
+		c := list[0][l]
+		for i := 1; i < len(list); i++ {
+			if l >= len(list[i]) || list[i][l] != c {
+				return list[i][0:l]
+			}
+		}
+	}
+	return list[0]
+}
+
+// TruncateRunes truncates a string to a maximum number of runes, adding a suffix if truncated.
+// The suffix is included in the rune count, so if maxRunes is 30 and suffix is "...", the actual
+// string content will be truncated to fit within the maxRunes limit including the suffix.
+func TruncateRunes(s string, maxRunes int, suffix string) string {
+	if utf8.RuneCountInString(s) <= maxRunes {
+		return s
+	}
+
+	suffixRunes := utf8.RuneCountInString(suffix)
+	truncateAt := maxRunes - suffixRunes
+	if truncateAt < 0 {
+		truncateAt = 0
+	}
+
+	runes := []rune(s)
+	if truncateAt >= len(runes) {
+		return s + suffix
+	}
+
+	return string(runes[:truncateAt]) + suffix
+}