61 lines
968 B
Go
61 lines
968 B
Go
package confection
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"path"
|
|
)
|
|
|
|
type (
|
|
configFile struct {
|
|
path string
|
|
}
|
|
)
|
|
|
|
func (cf *configFile) write(b []byte) (err error) {
|
|
var (
|
|
fd *os.File
|
|
n int // Bytes written successfully
|
|
)
|
|
|
|
if cf.isExist() {
|
|
fd, err = os.OpenFile(cf.path, os.O_TRUNC|os.O_WRONLY, 0633)
|
|
} else {
|
|
if err = cf.mkdirp(); err != nil {
|
|
return
|
|
}
|
|
|
|
fd, err = os.Create(cf.path)
|
|
}
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer fd.Close()
|
|
|
|
n, err = fd.Write(b)
|
|
if err == nil && n != len(b) {
|
|
return fmt.Errorf("Failed to write config file: written %d/%d bytes", n, len(b))
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
func (cf *configFile) read() ([]byte, error) {
|
|
if cf.isExist() {
|
|
return ioutil.ReadFile(cf.path)
|
|
} else {
|
|
return nil, fmt.Errorf("Config file does not exist")
|
|
}
|
|
}
|
|
|
|
func (cf *configFile) isExist() bool {
|
|
_, err := os.Stat(cf.path)
|
|
return (err == nil)
|
|
}
|
|
|
|
func (cf *configFile) mkdirp() error {
|
|
dir := path.Dir(cf.path)
|
|
return os.MkdirAll(dir, 0755)
|
|
}
|