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package config
import (
"bufio"
"bytes"
"fmt"
"io"
"io/ioutil"
"strings"
)
func ReadConfigFile(name string) (*Config, error) {
data, err := ioutil.ReadFile(name)
if err != nil {
return nil, err
}
return ReadConfig(data)
}
func ReadConfig(data []byte) (*Config, error) {
cfg := NewConfig()
if err := cfg.Read(bytes.NewBuffer(data)); err != nil {
return nil, err
}
return cfg, nil
}
func (c *Config) Read(r io.Reader) error {
rb := bufio.NewReaderSize(r, 4096)
for {
l, err := rb.ReadString('\n')
if err != nil && err != io.EOF {
return err
} else if err == io.EOF {
break
}
l = strings.TrimSpace(l)
if len(l) == 0 {
continue
}
//comment
if l[0] == '#' {
continue
}
ps := strings.Split(l, "=")
if len(ps) > 2 {
return fmt.Errorf("invalid line format %s", l)
} else if len(ps) == 1 {
c.SetString(ps[0], "")
} else {
c.SetString(strings.TrimSpace(ps[0]), strings.TrimSpace(ps[1]))
}
}
return nil
}
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