| 11 | ) |
| 12 | |
| 13 | func (p *parser) ParseBinaryFragments(f *File) (n int, err error) { |
| 14 | isBinary, hasData, err := p.ParseBinaryMarker() |
| 15 | if err != nil || !isBinary { |
| 16 | return 0, err |
| 17 | } |
| 18 | |
| 19 | f.IsBinary = true |
| 20 | if !hasData { |
| 21 | return 0, nil |
| 22 | } |
| 23 | |
| 24 | forward, err := p.ParseBinaryFragmentHeader() |
| 25 | if err != nil { |
| 26 | return 0, err |
| 27 | } |
| 28 | if forward == nil { |
| 29 | return 0, p.Errorf(0, "missing data for binary patch") |
| 30 | } |
| 31 | if err := p.ParseBinaryChunk(forward); err != nil { |
| 32 | return 0, err |
| 33 | } |
| 34 | f.BinaryFragment = forward |
| 35 | |
| 36 | // valid for reverse to not exist, but it must be valid if present |
| 37 | reverse, err := p.ParseBinaryFragmentHeader() |
| 38 | if err != nil { |
| 39 | return 1, err |
| 40 | } |
| 41 | if reverse == nil { |
| 42 | return 1, nil |
| 43 | } |
| 44 | if err := p.ParseBinaryChunk(reverse); err != nil { |
| 45 | return 1, err |
| 46 | } |
| 47 | f.ReverseBinaryFragment = reverse |
| 48 | |
| 49 | return 1, nil |
| 50 | } |
| 51 | |
| 52 | func (p *parser) ParseBinaryMarker() (isBinary bool, hasData bool, err error) { |
| 53 | line := p.Line(0) |