42 lines
863 B
Go
42 lines
863 B
Go
package gcfg
|
|
|
|
import (
|
|
"gopkg.in/warnings.v0"
|
|
)
|
|
|
|
// 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 {
|
|
return warnings.FatalOnly(err)
|
|
}
|
|
|
|
func isFatal(err error) bool {
|
|
_, ok := err.(extraData)
|
|
return !ok
|
|
}
|
|
|
|
type extraData struct {
|
|
section string
|
|
subsection *string
|
|
variable *string
|
|
}
|
|
|
|
func (e extraData) Error() string {
|
|
s := "can't store data at section \"" + e.section + "\""
|
|
if e.subsection != nil {
|
|
s += ", subsection \"" + *e.subsection + "\""
|
|
}
|
|
if e.variable != nil {
|
|
s += ", variable \"" + *e.variable + "\""
|
|
}
|
|
return s
|
|
}
|
|
|
|
var _ error = extraData{}
|