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specify global config path #10

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27 changes: 22 additions & 5 deletions opencc.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,11 +17,17 @@ import (

var (
// Dir is the parent dir for config and dictionary
Dir = flag.String("dir", defaultDir(), "dict dir")
configDir = "config"
dictDir = "dictionary"
Dir = flag.String("dir", defaultDir(), "dict dir")
configPath = ""
configDir = "config"
dictDir = "dictionary"
)

// SetConfigPath set global config path
func SetConfigPath(path string) {
configPath = path
}

func defaultDir() string {
if runtime.GOOS == "windows" {
return `C:\gocc\`
Expand Down Expand Up @@ -112,7 +118,12 @@ func (cc *OpenCC) initDict() error {
if cc.Conversion == "" {
return fmt.Errorf("conversion is not set")
}
configFile := filepath.Join(*Dir, configDir, cc.Conversion+".json")
var configFile string
if configPath != "" {
configFile = filepath.Join(configPath, configDir, cc.Conversion+".json")
} else {
configFile = filepath.Join(*Dir, configDir, cc.Conversion+".json")
}
body, err := ioutil.ReadFile(configFile)
if err != nil {
return err
Expand Down Expand Up @@ -192,7 +203,13 @@ func (cc *OpenCC) addDictChain(d map[string]interface{}) (*Group, error) {
if !has {
return nil, fmt.Errorf("no file field found")
}
daDict, err := da.BuildFromFile(filepath.Join(*Dir, dictDir, file.(string)))
var daFile string
if configPath != "" {
daFile = filepath.Join(configPath, dictDir, file.(string))
} else {
daFile = filepath.Join(*Dir, dictDir, file.(string))
}
daDict, err := da.BuildFromFile(daFile)
if err != nil {
return nil, err
}
Expand Down