diff options
Diffstat (limited to 'vendor/github.com/dsoprea/go-exif/v3/data_layer.go')
-rw-r--r-- | vendor/github.com/dsoprea/go-exif/v3/data_layer.go | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/vendor/github.com/dsoprea/go-exif/v3/data_layer.go b/vendor/github.com/dsoprea/go-exif/v3/data_layer.go deleted file mode 100644 index 7883752cc..000000000 --- a/vendor/github.com/dsoprea/go-exif/v3/data_layer.go +++ /dev/null @@ -1,50 +0,0 @@ -package exif - -import ( - "io" - - "github.com/dsoprea/go-logging" - "github.com/dsoprea/go-utility/v2/filesystem" -) - -type ExifBlobSeeker interface { - GetReadSeeker(initialOffset int64) (rs io.ReadSeeker, err error) -} - -// ExifReadSeeker knows how to retrieve data from the EXIF blob relative to the -// beginning of the blob (so, absolute position (0) is the first byte of the -// EXIF data). -type ExifReadSeeker struct { - rs io.ReadSeeker -} - -func NewExifReadSeeker(rs io.ReadSeeker) *ExifReadSeeker { - return &ExifReadSeeker{ - rs: rs, - } -} - -func NewExifReadSeekerWithBytes(exifData []byte) *ExifReadSeeker { - sb := rifs.NewSeekableBufferWithBytes(exifData) - edbs := NewExifReadSeeker(sb) - - return edbs -} - -// Fork creates a new ReadSeeker instead that wraps a BouncebackReader to -// maintain its own position in the stream. -func (edbs *ExifReadSeeker) GetReadSeeker(initialOffset int64) (rs io.ReadSeeker, err error) { - defer func() { - if state := recover(); state != nil { - err = log.Wrap(state.(error)) - } - }() - - br, err := rifs.NewBouncebackReader(edbs.rs) - log.PanicIf(err) - - _, err = br.Seek(initialOffset, io.SeekStart) - log.PanicIf(err) - - return br, nil -} |