1 files changed, 68 insertions, 0 deletions
diff --git a/modules/templates/util_string.go b/modules/templates/util_string.go
new file mode 100644
index 0000000..f23b747
--- /dev/null
+++ b/modules/templates/util_string.go
@@ -0,0 +1,68 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package templates
+
+import (
+	"fmt"
+	"html/template"
+	"strings"
+
+	"code.gitea.io/gitea/modules/base"
+)
+
+type StringUtils struct{}
+
+var stringUtils = StringUtils{}
+
+func NewStringUtils() *StringUtils {
+	return &stringUtils
+}
+
+func (su *StringUtils) HasPrefix(s any, prefix string) bool {
+	switch v := s.(type) {
+	case string:
+		return strings.HasPrefix(v, prefix)
+	case template.HTML:
+		return strings.HasPrefix(string(v), prefix)
+	}
+	return false
+}
+
+func (su *StringUtils) ToString(v any) string {
+	switch v := v.(type) {
+	case string:
+		return v
+	case template.HTML:
+		return string(v)
+	case fmt.Stringer:
+		return v.String()
+	default:
+		return fmt.Sprint(v)
+	}
+}
+
+func (su *StringUtils) Contains(s, substr string) bool {
+	return strings.Contains(s, substr)
+}
+
+func (su *StringUtils) Split(s, sep string) []string {
+	return strings.Split(s, sep)
+}
+
+func (su *StringUtils) Join(a []string, sep string) string {
+	return strings.Join(a, sep)
+}
+
+func (su *StringUtils) Cut(s, sep string) []any {
+	before, after, found := strings.Cut(s, sep)
+	return []any{before, after, found}
+}
+
+func (su *StringUtils) EllipsisString(s string, max int) string {
+	return base.EllipsisString(s, max)
+}
+
+func (su *StringUtils) ToUpper(s string) string {
+	return strings.ToUpper(s)
+}