forked from storyicon/powerproto
/
file.go
131 lines (121 loc) 路 3.22 KB
/
file.go
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// Copyright 2021 storyicon@foxmail.com
//
// 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 util
import (
"io"
"io/fs"
"io/ioutil"
"os"
"path/filepath"
"github.com/bmatcuk/doublestar"
filecopy "github.com/otiai10/copy"
"github.com/pkg/errors"
)
// MatchPath is used to match path with specified pattern
func MatchPath(pattern string, path string) (bool, error) {
return doublestar.PathMatch(pattern, path)
}
// CopyDirectory is used to copy directory
// If dst already exists, it will be merged
func CopyDirectory(src, dst string) error {
return filecopy.Copy(src, dst)
}
// CopyFile is used to copy file from src to dst
func CopyFile(src, dst string) error {
sourceFileStat, err := os.Stat(src)
if err != nil {
return err
}
if !sourceFileStat.Mode().IsRegular() {
return errors.Errorf("%s is not a regular file", src)
}
source, err := os.Open(src)
if err != nil {
return err
}
defer source.Close()
if err := os.MkdirAll(filepath.Dir(dst), fs.ModePerm); err != nil {
return err
}
destination, err := os.Create(dst)
if err != nil {
return err
}
defer destination.Close()
_, err = io.Copy(destination, source)
return err
}
// IsFileExists is used to check whether the file exists
func IsFileExists(path string) (bool, error) {
info, err := os.Stat(path)
if err != nil {
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
if info.IsDir() {
return false, errors.Errorf("%s is not a file", path)
}
return true, nil
}
// IsDirExists is used to check whether the dir exists
func IsDirExists(path string) (bool, error) {
info, err := os.Stat(path)
if err != nil {
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
if !info.IsDir() {
return false, errors.Errorf("%s is not a directory", path)
}
return true, nil
}
// GetFilesWithExtRecursively is used to recursively list files with a specific suffix
// expectExt should contain the prefix '.'
func GetFilesWithExtRecursively(target string, targetExt string) ([]string, error) {
var data []string
err := filepath.Walk(target, func(path string, info fs.FileInfo, err error) error {
if info.IsDir() {
return nil
}
ext := filepath.Ext(path)
if ext == targetExt {
data = append(data, path)
}
return nil
})
return data, err
}
// GetFilesWithExt is used to list files with a specific suffix
// expectExt should contain the prefix '.'
func GetFilesWithExt(dir string, targetExt string) ([]string, error) {
children, err := ioutil.ReadDir(dir)
if err != nil {
return nil, err
}
var data []string
for _, child := range children {
if child.IsDir() {
continue
}
if ext := filepath.Ext(child.Name()); ext != targetExt {
continue
}
data = append(data, filepath.Join(dir, child.Name()))
}
return data, nil
}