chore: import upstream snapshot with attribution

pkg/converter/str.go

@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package converter
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/segmentfault/pacman/log"
+)
+
+func StringToInt64(str string) int64 {
+	num, err := strconv.ParseInt(str, 10, 64)
+	if err != nil {
+		return 0
+	}
+	return num
+}
+
+func StringToInt(str string) int {
+	num, err := strconv.Atoi(str)
+	if err != nil {
+		return 0
+	}
+	return num
+}
+
+func IntToString(data int64) string {
+	return fmt.Sprintf("%d", data)
+}
+
+// InterfaceToString converts data to string
+// It will be used in template render
+func InterfaceToString(data any) string {
+	switch t := data.(type) {
+	case int:
+		i := data.(int)
+		return strconv.Itoa(i)
+	case int8:
+		i := data.(int8)
+		return strconv.Itoa(int(i))
+	case int16:
+		i := data.(int16)
+		return strconv.Itoa(int(i))
+	case int32:
+		i := data.(int32)
+		return string(i)
+	case int64:
+		i := data.(int64)
+		return strconv.FormatInt(i, 10)
+	case string:
+		return data.(string)
+	default:
+		log.Warn("can't convert type:", t)
+	}
+	return ""
+}