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64 lines
1.5 KiB
64 lines
1.5 KiB
package conf |
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import ( |
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"os" |
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"io" |
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"bytes" |
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) |
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// WriteConfigFile saves the configuration representation to a file. |
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// The desired file permissions must be passed as in os.Open. |
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// The header is a string that is saved as a comment in the first line of the file. |
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func (c *ConfigFile) WriteConfigFile(fname string, perm uint32, header string) (err os.Error) { |
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var file *os.File |
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if file, err = os.Open(fname, os.O_WRONLY|os.O_CREAT|os.O_TRUNC, perm); err != nil { |
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return err |
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} |
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if err = c.Write(file, header); err != nil { |
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return err |
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} |
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return file.Close() |
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} |
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// WriteConfigBytes returns the configuration file. |
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func (c *ConfigFile) WriteConfigBytes(header string) (config []byte) { |
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buf := bytes.NewBuffer(nil) |
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c.Write(buf, header) |
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return buf.Bytes() |
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} |
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// Writes the configuration file to the io.Writer. |
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func (c *ConfigFile) Write(writer io.Writer, header string) (err os.Error) { |
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buf := bytes.NewBuffer(nil) |
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if header != "" { |
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if _, err = buf.WriteString("# " + header + "\n"); err != nil { |
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return err |
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} |
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} |
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for section, sectionmap := range c.data { |
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if section == DefaultSection && len(sectionmap) == 0 { |
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continue // skip default section if empty |
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} |
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if _, err = buf.WriteString("[" + section + "]\n"); err != nil { |
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return err |
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} |
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for option, value := range sectionmap { |
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if _, err = buf.WriteString(option + "=" + value + "\n"); err != nil { |
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return err |
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} |
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} |
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if _, err = buf.WriteString("\n"); err != nil { |
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return err |
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} |
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} |
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buf.WriteTo(writer) |
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return nil |
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}
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