65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package conf
|
|
|
|
import (
|
|
"os"
|
|
"io"
|
|
"bytes"
|
|
)
|
|
|
|
// WriteConfigFile saves the configuration representation to a file.
|
|
// The desired file permissions must be passed as in os.Open.
|
|
// The header is a string that is saved as a comment in the first line of the file.
|
|
func (c *ConfigFile) WriteConfigFile(fname string, perm int, header string) (err os.Error) {
|
|
var file *os.File;
|
|
|
|
if file, err = os.Open(fname, os.O_WRONLY|os.O_CREAT|os.O_TRUNC, perm); err != nil {
|
|
return err
|
|
}
|
|
if err = c.Write(file, header); err != nil {
|
|
return err
|
|
}
|
|
|
|
return file.Close();
|
|
}
|
|
|
|
// WriteConfigBytes returns the configuration file.
|
|
func (c *ConfigFile) WriteConfigBytes(header string) (config []byte) {
|
|
buf := bytes.NewBuffer(nil)
|
|
|
|
c.Write(buf, header)
|
|
|
|
return buf.Bytes()
|
|
}
|
|
|
|
// Writes the configuration file to the io.Writer.
|
|
func (c *ConfigFile) Write(writer io.Writer, header string) (err os.Error) {
|
|
buf := bytes.NewBuffer(nil)
|
|
|
|
if header != "" {
|
|
if _, err = buf.WriteString("# " + header + "\n"); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
for section, sectionmap := range c.data {
|
|
if section == DefaultSection && len(sectionmap) == 0 {
|
|
continue // skip default section if empty
|
|
}
|
|
if _, err = buf.WriteString("[" + section + "]\n"); err != nil {
|
|
return err
|
|
}
|
|
for option, value := range sectionmap {
|
|
if _, err = buf.WriteString(option + "=" + value + "\n"); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
if _, err = buf.WriteString("\n"); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
buf.WriteTo(writer)
|
|
|
|
return nil;
|
|
}
|