jyapayne/nim-faststreams
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Add InputStream.endPos

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Zahary Karadjov 2019-07-08 17:12:50 +03:00
commit c8a7409c96
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1 changed files with 6 additions and 0 deletions
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faststreams/input_stream.nim
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@ -36,6 +36,8 @@ type
ByteStreamVar* = ref ByteStream ByteStreamVar* = ref ByteStream
AsciiStreamVar* = ref AsciiStream AsciiStreamVar* = ref AsciiStream
InputStreamVar* = ref ByteStream
proc openFile*(filename: string): ByteStreamVar = proc openFile*(filename: string): ByteStreamVar =
new result new result
var memFile = memfiles.open(filename) var memFile = memfiles.open(filename)
@ -69,6 +71,10 @@ proc init*(T: type BufferedStream,
asyncReader = AsyncStreamReader(nil)): BufferedStream = asyncReader = AsyncStreamReader(nil)): BufferedStream =
result.init result.buffer, reader, asyncReader result.init result.buffer, reader, asyncReader
proc endPos*(s: InputStreamVar): int =
# TODO This needs to use a VTable for `system.File` based streams
s.bufferEndPos
proc syncRead(s: var ByteStream): bool = proc syncRead(s: var ByteStream): bool =
let bytesRead = s.reader(s.bufferStart, s.bufferSize) let bytesRead = s.reader(s.bufferStart, s.bufferSize)
if bytesRead == 0: if bytesRead == 0: