goldsmith/util.go
2018-09-16 13:52:25 -07:00

102 lines
2.2 KiB
Go

package goldsmith
import (
"os"
"path/filepath"
"reflect"
"strings"
)
type fileInfo struct {
os.FileInfo
path string
}
func cleanPath(path string) string {
if filepath.IsAbs(path) {
var err error
if path, err = filepath.Rel("/", path); err != nil {
panic(err)
}
}
return filepath.Clean(path)
}
func scanDir(root string, infos chan fileInfo) {
defer close(infos)
filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
infos <- fileInfo{FileInfo: info, path: path}
return nil
})
}
func setDelimValue(container interface{}, path string, data interface{}) bool {
containerVal := reflect.Indirect(reflect.ValueOf(container))
segments := strings.Split(path, ".")
segmentHead := segments[0]
if len(segments) > 1 {
var fieldVal reflect.Value
switch containerVal.Kind() {
case reflect.Map:
fieldVal = containerVal.MapIndex(reflect.ValueOf(segmentHead))
case reflect.Struct:
fieldVal = containerVal.FieldByName(segmentHead)
if fieldVal.CanAddr() {
fieldVal = fieldVal.Addr()
}
}
if fieldVal.IsValid() && fieldVal.CanInterface() {
pathRest := strings.Join(segments[1:], ".")
return setDelimValue(fieldVal.Interface(), pathRest, data)
}
} else {
switch containerVal.Kind() {
case reflect.Map:
containerVal.SetMapIndex(reflect.ValueOf(segmentHead), reflect.ValueOf(data))
return true
case reflect.Struct:
fieldVal := containerVal.FieldByName(segmentHead)
if fieldVal.CanSet() {
fieldVal.Set(reflect.ValueOf(data))
return true
}
}
}
return false
}
func getDelimValue(container interface{}, path string) (interface{}, bool) {
containerVal := reflect.Indirect(reflect.ValueOf(container))
segments := strings.Split(path, ".")
segmentHead := segments[0]
var fieldVal reflect.Value
switch containerVal.Kind() {
case reflect.Map:
fieldVal = containerVal.MapIndex(reflect.ValueOf(segmentHead))
case reflect.Struct:
fieldVal = containerVal.FieldByName(segmentHead)
}
if fieldVal.IsValid() && fieldVal.CanInterface() {
if len(segments) > 1 {
return getDelimValue(fieldVal.Interface(), strings.Join(segments[1:], "."))
}
return fieldVal.Interface(), true
}
return nil, false
}