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Code Issues Releases Activity

move parseWriteMode into parseParams

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This commit is contained in:
3timeslazy 2019-10-21 19:02:44 +03:00
parent 2b3a82d720
commit 474b340ad0
1 changed files with 19 additions and 14 deletions
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33
pkg/stdlib/io/fs/write.go
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@ -40,13 +40,8 @@ func Write(_ context.Context, args ...core.Value) (core.Value, error) {
}
}
flag, err := parseWriteMode(params.Mode)
if err != nil {
return values.None, core.Error(err, "parse write mode")
}
// 0222 - write only permissions
file, err := os.OpenFile(fpath, flag, 0222)
file, err := os.OpenFile(fpath, params.ModeFlag, 0222)
if err != nil {
return values.None, core.Error(err, "open file")
}
@ -79,19 +74,20 @@ func validateRequiredWriteArgs(args []core.Value) error {
return nil
}
// params is the same as `params` argument, but as Go struct.
type params struct {
Mode string
// parsedParams contains parsed additional parameters.
type parsedParams struct {
ModeFlag int
}
var defaultParams = params{
Mode: "w",
var defaultParams = parsedParams{
// the same as `w`
ModeFlag: os.O_WRONLY | os.O_CREATE | os.O_TRUNC,
}
func parseParams(value core.Value) (params, error) {
func parseParams(value core.Value) (parsedParams, error) {
obj, ok := value.(*values.Object)
if !ok {
return params{}, core.Error(
return parsedParams{}, core.Error(
core.ErrInvalidArgument,
"value should be an object",
)
@ -101,7 +97,16 @@ func parseParams(value core.Value) (params, error) {
modestr, exists := obj.Get(values.NewString("mode"))
if exists {
params.Mode = modestr.String()
flag, err := parseWriteMode(modestr.String())
if err != nil {
return parsedParams{}, core.Error(
core.ErrInvalidArgument,
"parse write mode",
)
}
params.ModeFlag = flag
}
return params, nil