58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
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package gcfg
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import warnings "gopkg.in/warnings.v0"
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// FatalOnly filters the results of a Read*Into invocation and returns only
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// fatal errors. That is, errors (warnings) indicating data for unknown
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// sections / variables is ignored. Example invocation:
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//
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// err := gcfg.FatalOnly(gcfg.ReadFileInto(&cfg, configFile))
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// if err != nil {
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// ...
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//
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func FatalOnly(err error) error {
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return warnings.FatalOnly(err)
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}
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func isFatal(err error) bool {
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_, ok := err.(extraData)
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return !ok
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}
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type loc struct {
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section string
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subsection *string
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variable *string
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}
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type extraData struct {
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loc
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}
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type locErr struct {
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msg string
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loc
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}
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func (l loc) String() string {
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s := "section \"" + l.section + "\""
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if l.subsection != nil {
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s += ", subsection \"" + *l.subsection + "\""
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}
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if l.variable != nil {
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s += ", variable \"" + *l.variable + "\""
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}
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return s
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}
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func (e extraData) Error() string {
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return "can't store data at " + e.loc.String()
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}
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func (e locErr) Error() string {
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return e.msg + " at " + e.loc.String()
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}
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var _ error = extraData{}
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var _ error = locErr{}
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