mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-07 20:30:36 -05:00
79 lines
1.9 KiB
Go
79 lines
1.9 KiB
Go
// Copyright 2019 The Hugo Authors. All rights reserved.
|
|
//
|
|
// Licensed 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 types
|
|
|
|
import (
|
|
"encoding/json"
|
|
"html/template"
|
|
|
|
"github.com/spf13/cast"
|
|
)
|
|
|
|
// ToStringSlicePreserveString converts v to a string slice.
|
|
// If v is a string, it will be wrapped in a string slice.
|
|
func ToStringSlicePreserveString(v interface{}) []string {
|
|
if v == nil {
|
|
return nil
|
|
}
|
|
if sds, ok := v.(string); ok {
|
|
return []string{sds}
|
|
}
|
|
return cast.ToStringSlice(v)
|
|
}
|
|
|
|
// TypeToString converts v to a string if it's a valid string type.
|
|
// Note that this will not try to convert numeric values etc.,
|
|
// use ToString for that.
|
|
func TypeToString(v interface{}) (string, bool) {
|
|
switch s := v.(type) {
|
|
case string:
|
|
return s, true
|
|
case template.HTML:
|
|
return string(s), true
|
|
case template.CSS:
|
|
return string(s), true
|
|
case template.HTMLAttr:
|
|
return string(s), true
|
|
case template.JS:
|
|
return string(s), true
|
|
case template.JSStr:
|
|
return string(s), true
|
|
case template.URL:
|
|
return string(s), true
|
|
case template.Srcset:
|
|
return string(s), true
|
|
}
|
|
|
|
return "", false
|
|
}
|
|
|
|
// ToString converts v to a string.
|
|
func ToString(v interface{}) string {
|
|
s, _ := ToStringE(v)
|
|
return s
|
|
}
|
|
|
|
// ToStringE converts v to a string.
|
|
func ToStringE(v interface{}) (string, error) {
|
|
if s, ok := TypeToString(v); ok {
|
|
return s, nil
|
|
}
|
|
|
|
switch s := v.(type) {
|
|
case json.RawMessage:
|
|
return string(s), nil
|
|
default:
|
|
return cast.ToStringE(v)
|
|
}
|
|
}
|