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package gcfg
import (
"errors"
"fmt"
)
var (
ErrSyntaxWarning = errors.New("syntax warning")
ErrMissingEscapeSequence = errors.New("missing escape sequence")
ErrMissingEndQuote = errors.New("missing end quote")
)
// FatalOnly filters the results of a Read*Into invocation and returns only
// fatal errors. That is, errors (warnings) indicating data for unknown
// sections / variables is ignored. Example invocation:
//
// err := gcfg.FatalOnly(gcfg.ReadFileInto(&cfg, configFile))
// if err != nil {
// ...
func FatalOnly(err error) error {
for {
if err == nil {
return nil
}
err = errors.Unwrap(err)
if !errors.Is(err, ErrSyntaxWarning) {
return err
}
}
}
func newSyntaxWarning(sec, sub, variable string) error {
msg := fmt.Sprintf("can't store data in section %q", sec)
if sub != "" {
msg += fmt.Sprintf(", subsection %q", sub)
}
if variable != "" {
msg += fmt.Sprintf(", variable %q", variable)
}
return fmt.Errorf("%w: %s", ErrSyntaxWarning, msg)
}
func joinNonFatal(prev, cur error) (error, bool) {
if !errors.Is(cur, ErrSyntaxWarning) {
return cur, true
}
return errors.Join(prev, cur), false
}
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