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Adjust BGZFStreams.virtualoffset

Browse source 
https://github.com/BioJulia/BGZFStreams.jl/issues/22#issuecomment-839746122
This commit is contained in:
Ciarán O’Mara 2021-05-16 12:20:55 +10:00
parent 0e6ef62e3e
commit d370ebe28c
1 changed files with 14 additions and 0 deletions
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14
src/bam/bam.jl
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@ -15,6 +15,20 @@ import BioGenerics: isfilled, header
import GenomicFeatures: eachoverlap
# Overwrite virtualoffset method as per https://github.com/BioJulia/BGZFStreams.jl/issues/22#issuecomment-839746122.
function BGZFStreams.virtualoffset(stream::BGZFStreams.BGZFStream)
if stream.mode == BGZFStreams.READ_MODE
i = BGZFStreams.ensure_buffered_data(stream)
if i == 0
block = stream.blocks[end]
else
block = stream.blocks[i]
end
else
block = stream.blocks[1]
end
return BGZFStreams.VirtualOffset(block.block_offset, block.position - 1)
end
include("bai.jl")
include("auxdata.jl")