mirror of
https://github.com/alibaba/higress.git
synced 2026-02-23 04:00:51 +08:00
93 lines
2.3 KiB
Go
93 lines
2.3 KiB
Go
// Copyright (c) 2022 Alibaba Group Holding Ltd.
|
|
//
|
|
// 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 utils
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"io"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/mitchellh/go-homedir"
|
|
"github.com/pkg/errors"
|
|
"gopkg.in/yaml.v3"
|
|
)
|
|
|
|
// GetAbsolutePath returns the absolute path, e.g.:
|
|
// - ~/foo -> /home/user/foo
|
|
// - ./foo -> /current/dir/foo
|
|
// - /foo/ -> /foo
|
|
func GetAbsolutePath(path string) (newPath string, err error) {
|
|
if strings.HasPrefix(path, "~") {
|
|
newPath, err = homedir.Expand(path)
|
|
if err != nil {
|
|
return "", errors.Wrapf(err, "failed to expand path: %q", path)
|
|
}
|
|
} else {
|
|
newPath, err = filepath.Abs(path)
|
|
if err != nil {
|
|
return "", errors.Wrapf(err, "failed to get absolute path of %q", path)
|
|
}
|
|
}
|
|
|
|
l := len(newPath)
|
|
if l > 1 && newPath[l-1] == '/' { // if l == 1, the path might be "/"
|
|
newPath = newPath[:l-1]
|
|
}
|
|
|
|
return newPath, nil
|
|
}
|
|
|
|
// AddIndent for each line of str
|
|
func AddIndent(str, indent string) string {
|
|
ret := ""
|
|
ss := strings.Split(str, "\n")
|
|
for i, s := range ss {
|
|
if i == 0 {
|
|
ret = fmt.Sprintf("%s%s", indent, s)
|
|
} else {
|
|
ret = fmt.Sprintf("%s\n%s%s", ret, indent, s)
|
|
}
|
|
}
|
|
|
|
return ret
|
|
}
|
|
|
|
// MarshalYamlWithIndent marshals v to yaml with indent, specify space width with spaces
|
|
func MarshalYamlWithIndent(v interface{}, spaces int) ([]byte, error) {
|
|
w := new(bytes.Buffer)
|
|
ec := yaml.NewEncoder(w)
|
|
defer ec.Close()
|
|
ec.SetIndent(spaces)
|
|
if err := ec.Encode(v); err != nil {
|
|
return w.Bytes(), err
|
|
}
|
|
|
|
return w.Bytes(), nil
|
|
}
|
|
|
|
// MarshalYamlWithIndentTo marshals v to yaml with indent, specify space width with spaces, and output to w
|
|
func MarshalYamlWithIndentTo(w io.Writer, v interface{}, spaces int) error {
|
|
ec := yaml.NewEncoder(w)
|
|
defer ec.Close()
|
|
ec.SetIndent(spaces)
|
|
if err := ec.Encode(v); err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|