38 lines
645 B
Go
38 lines
645 B
Go
package fmp4io
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
type ParseError struct {
|
|
Debug string
|
|
Offset int
|
|
prev *ParseError
|
|
orig error
|
|
}
|
|
|
|
func (a *ParseError) Error() string {
|
|
s := []string{}
|
|
for p := a; p != nil; p = p.prev {
|
|
s = append(s, fmt.Sprintf("%s:%d", p.Debug, p.Offset))
|
|
if p.prev == nil && p.orig != nil {
|
|
s = append(s, p.orig.Error())
|
|
}
|
|
}
|
|
return "mp4io: parse error: " + strings.Join(s, ",")
|
|
}
|
|
|
|
func parseErr(debug string, offset int, prev error) (err error) {
|
|
_prev, _ := prev.(*ParseError)
|
|
if _prev != nil {
|
|
prev = nil
|
|
}
|
|
return &ParseError{
|
|
Debug: debug,
|
|
Offset: offset,
|
|
prev: _prev,
|
|
orig: prev,
|
|
}
|
|
}
|