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60 lines
1.1 KiB
60 lines
1.1 KiB
3 years ago
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package id3ed
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import (
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"fmt"
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"io"
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"os"
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v1 "github.com/Unbewohnte/id3ed/v1"
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)
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type Tagger interface {
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WriteToFile(*os.File) error
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Version() int
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}
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// Reads certain ID3 tags from io.ReadSeeker according to given version.
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// Wrapper function to v1|v2 package functions
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func ReadTags(rs io.ReadSeeker, version int) (Tagger, error) {
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switch version {
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case 10:
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// ID3v1
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t, err := v1.Getv1Tags(rs)
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if err != nil {
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return nil, err
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}
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return t, nil
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case 11:
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// ID3v1.1
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t, err := v1.Getv11Tags(rs)
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if err != nil {
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return nil, err
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}
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return t, nil
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case 23:
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// ID3v2.3
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return nil, fmt.Errorf("v2.3 is not supported")
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case 24:
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// ID3v2.4
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return nil, fmt.Errorf("v2.4 is not supported")
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}
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return nil, fmt.Errorf("invalid version or not supported")
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}
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// DOESN`T work for some reason !? err is coming from f.Seek(), but it`s completely fine
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// when run directly from v1.WriteToFile() function.
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// Writes tags to file.
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func WriteTags(dstf *os.File, t Tagger) error {
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err := t.WriteToFile(dstf)
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if err != nil {
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return err
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}
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return nil
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}
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