82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
|
// Package userConfig eases the use of config files in a user's home directory
|
||
|
|
package userConfig
|
||
|
|
|
||
|
|
import (
|
||
|
|
"bytes"
|
||
|
|
"errors"
|
||
|
|
"fmt"
|
||
|
|
"io/ioutil"
|
||
|
|
"strings"
|
||
|
|
|
||
|
|
"github.com/BurntSushi/toml"
|
||
|
|
)
|
||
|
|
|
||
|
|
// GeneralConfig is the basic config structure
|
||
|
|
// All configs make with package userConfig will have this file
|
||
|
|
type GeneralConfig struct {
|
||
|
|
Name string `toml:"-"`
|
||
|
|
Path string `toml:"-"`
|
||
|
|
ConfigFiles []string `toml:"additional_config"`
|
||
|
|
RawFiles []string `toml:"raw_files"`
|
||
|
|
Values map[string]string `toml:"general"`
|
||
|
|
}
|
||
|
|
|
||
|
|
// NewGeneralConfig generates a General Config struct
|
||
|
|
func NewGeneralConfig(name, path string) (*GeneralConfig, error) {
|
||
|
|
gf := &GeneralConfig{Name: name, Path: path}
|
||
|
|
gf.ConfigFiles = []string{}
|
||
|
|
gf.RawFiles = []string{}
|
||
|
|
gf.Values = make(map[string]string)
|
||
|
|
|
||
|
|
if err := gf.Load(); err != nil {
|
||
|
|
return gf, err
|
||
|
|
}
|
||
|
|
return gf, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Load loads config files into the config
|
||
|
|
func (gf *GeneralConfig) Load() error {
|
||
|
|
if strings.TrimSpace(gf.Name) == "" || strings.TrimSpace(gf.Path) == "" {
|
||
|
|
return errors.New("Invalid ConfigFile Name: " + gf.Path + "/" + gf.Name)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Config files end with .conf
|
||
|
|
cfgPath := gf.Path + "/" + gf.Name + ".conf"
|
||
|
|
tomlData, err := ioutil.ReadFile(cfgPath)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
if _, err := toml.Decode(string(tomlData), &gf); err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Save writes the config to file(s)
|
||
|
|
func (gf *GeneralConfig) Save() error {
|
||
|
|
buf := new(bytes.Buffer)
|
||
|
|
cfgPath := gf.Path + "/" + gf.Name + ".conf"
|
||
|
|
fmt.Println("Writing Config File: " + cfgPath)
|
||
|
|
if err := toml.NewEncoder(buf).Encode(gf); err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
fmt.Println("Writing Config File: " + buf.String())
|
||
|
|
return ioutil.WriteFile(cfgPath, buf.Bytes(), 0644)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Set sets a key/value pair in gf, if unable to save, revert to old value
|
||
|
|
// (and return the error)
|
||
|
|
func (gf *GeneralConfig) Set(k, v string) error {
|
||
|
|
oldVal := gf.Values[k]
|
||
|
|
gf.Values[k] = v
|
||
|
|
if err := gf.Save(); err != nil {
|
||
|
|
gf.Values[k] = oldVal
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get gets a key/value pair from gf
|
||
|
|
func (gf *GeneralConfig) Get(k string) string {
|
||
|
|
return gf.Values[k]
|
||
|
|
}
|