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