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Jacek Sieka 2021-12-05 16:11:54 +01:00 • committed by zah
commit 1f62235d4f
9 changed files with 39 additions and 37 deletions
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28
faststreams/inputs.nim
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@ -424,7 +424,7 @@ proc fileInput*(filename: string,
buffers: initPageBuffers(pageSize),
file: file)
proc unsafeMemoryInput*(mem: openarray[byte]): InputStreamHandle =
proc unsafeMemoryInput*(mem: openArray[byte]): InputStreamHandle =
let head = unsafeAddr mem[0]
makeHandle InputStream(
@ -457,7 +457,7 @@ func memoryInput*(buffers: PageBuffers): InputStreamHandle =
span: span,
spanEndPos: spanEndPos)
func memoryInput*(data: openarray[byte]): InputStreamHandle =
func memoryInput*(data: openArray[byte]): InputStreamHandle =
let stream = if data.len > 0:
let
buffers = initPageBuffers(data.len)
@ -474,7 +474,7 @@ func memoryInput*(data: openarray[byte]): InputStreamHandle =
makeHandle stream
func memoryInput*(data: openarray[char]): InputStreamHandle =
func memoryInput*(data: openArray[char]): InputStreamHandle =
memoryInput charsToBytes(data)
proc resetBuffers*(s: InputStream, buffers: PageBuffers) =
@ -812,7 +812,7 @@ template readIntoExImpl(s: InputStream,
dstLen - bytesDeficit
proc readIntoEx*(s: InputStream, dst: var openarray[byte]): int =
proc readIntoEx*(s: InputStream, dst: var openArray[byte]): int =
## Read data into the destination buffer.
##
## Returns the number of bytes that were successfully
@ -823,7 +823,7 @@ proc readIntoEx*(s: InputStream, dst: var openarray[byte]): int =
let dstLen = dst.len
readIntoExImpl(s, dstAddr, dstLen, noAwait, readSync)
proc readInto*(s: InputStream, target: var openarray[byte]): bool =
proc readInto*(s: InputStream, target: var openArray[byte]): bool =
## Read data into the destination buffer.
##
## Returns `false` if EOF was reached before the buffer
@ -832,14 +832,14 @@ proc readInto*(s: InputStream, target: var openarray[byte]): bool =
s.readIntoEx(target) == target.len
when fsAsyncSupport:
template readIntoEx*(sp: AsyncInputStream, dst: var openarray[byte]): int =
template readIntoEx*(sp: AsyncInputStream, dst: var openArray[byte]): int =
let s = InputStream(sp)
# BEWARE! `openArrayToPair` here is needed to avoid
# double evaluation of the `dst` expression:
let (dstAddr, dstLen) = openArrayToPair(dst)
readIntoExImpl(s, dstAddr, dstLen, fsAwait, readAsync)
template readInto*(sp: AsyncInputStream, dst: var openarray[byte]): bool =
template readInto*(sp: AsyncInputStream, dst: var openArray[byte]): bool =
## Asynchronously read data into the destination buffer.
##
## Returns `false` if EOF was reached before the buffer
@ -871,7 +871,7 @@ template useStackMem(n: static Natural) =
template readNImpl(sp: InputStream,
np: Natural,
createAllocMemOp: untyped): openarray[byte] =
createAllocMemOp: untyped): openArray[byte] =
let
s = sp
n = np
@ -881,7 +881,7 @@ template readNImpl(sp: InputStream,
# to appear in different branches of an if statement, the code must
# be written in this branch-free linear fashion. The `dataCopy` seq
# may remain empty in the case where we use stack memory or return
# an `openarray` from the existing span.
# an `openArray` from the existing span.
var startAddr: ptr byte
block:
@ -902,21 +902,21 @@ template readNImpl(sp: InputStream,
makeOpenArray(startAddr, n)
template read*(sp: InputStream, np: static Natural): openarray[byte] =
template read*(sp: InputStream, np: static Natural): openArray[byte] =
const n = np
when n < maxStackUsage:
readNImpl(sp, n, useStackMem)
else:
readNImpl(sp, n, useHeapMem)
template read*(s: InputStream, n: Natural): openarray[byte] =
template read*(s: InputStream, n: Natural): openArray[byte] =
readNImpl(s, n, useHeapMem)
when fsAsyncSupport:
template read*(s: AsyncInputStream, n: Natural): openarray[byte] =
template read*(s: AsyncInputStream, n: Natural): openArray[byte] =
read InputStream(s), n
proc lookAheadMatch*(s: InputStream, data: openarray[byte]): bool =
proc lookAheadMatch*(s: InputStream, data: openArray[byte]): bool =
for i in 0 ..< data.len:
if s.peekAt(i) != data[i]:
return false
@ -924,7 +924,7 @@ proc lookAheadMatch*(s: InputStream, data: openarray[byte]): bool =
return true
when fsAsyncSupport:
template lookAheadMatch*(s: AsyncInputStream, data: openarray[byte]): bool =
template lookAheadMatch*(s: AsyncInputStream, data: openArray[byte]): bool =
lookAheadMatch InputStream(s)
proc next*(s: InputStream): Option[byte] =