54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package main
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import (
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"fmt"
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"os"
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)
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var shouldWarn = true
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// Custom errors
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type errorString struct {
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message string
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}
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// Error retrievies the Error message from the error
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func (err errorString) Error() string {
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return err.message
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}
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// NoWarn disables all warning output
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func WithoutWarning() {
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shouldWarn = false
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}
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// NewCustomError creates a custom error using a string as the message
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func NewCustomError(message string) error {
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return &errorString{message}
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}
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// NewFormatedError creates a new error using Sprintf
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func NewFormatedError(format string, a ...interface{}) error {
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return NewCustomError(fmt.Sprintf(format, a...))
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}
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// NewTypeNotFoundError returns an error for a TOCEntry with an unknown type
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func NewTypeNotFoundError(entry TOCEntry) error {
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return NewFormatedError("Type not found: %s %s", entry.Text, entry.ID)
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}
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// ExitIfError is a helper function for terminating if an error is not nil
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func ExitIfError(err error) {
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if err != nil {
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fmt.Println("ERROR: ", err)
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os.Exit(1)
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}
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}
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// WarnIfError is a helper function for terminating if an error is not nil
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func WarnIfError(err error) {
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if err != nil && shouldWarn {
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fmt.Println("WARNING: ", err)
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}
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}
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