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import std/options
import std/tables
import io/dynstream
import types/color
import types/opt
type BufferedReader* = object
buffer: seq[uint8]
bufIdx: int
recvAux*: seq[cint] #TODO assert on unused ones
proc sread*(reader: var BufferedReader; n: var SomeNumber)
proc sread*[T](reader: var BufferedReader; s: var set[T])
proc sread*[T: enum](reader: var BufferedReader; x: var T)
proc sread*(reader: var BufferedReader; s: var string)
proc sread*(reader: var BufferedReader; b: var bool)
proc sread*(reader: var BufferedReader; tup: var tuple)
proc sread*[I, T](reader: var BufferedReader; a: var array[I, T])
proc sread*(reader: var BufferedReader; s: var seq)
proc sread*[U, V](reader: var BufferedReader; t: var Table[U, V])
proc sread*(reader: var BufferedReader; obj: var object)
proc sread*(reader: var BufferedReader; obj: var ref object)
proc sread*[T](reader: var BufferedReader; o: var Option[T])
proc sread*[T, E](reader: var BufferedReader; o: var Result[T, E])
proc sread*(reader: var BufferedReader; c: var ARGBColor)
proc sread*(reader: var BufferedReader; c: var CellColor)
proc initReader*(stream: DynStream; len, auxLen: int): BufferedReader =
assert len != 0
var reader = BufferedReader(
buffer: newSeqUninitialized[uint8](len),
bufIdx: 0
)
stream.recvDataLoop(reader.buffer)
for i in 0 ..< auxLen:
reader.recvAux.add(SocketStream(stream).recvFd())
return reader
proc initPacketReader*(stream: DynStream): BufferedReader =
var len: array[2, int]
stream.recvDataLoop(addr len[0], sizeof(len))
return stream.initReader(len[0], len[1])
template withPacketReader*(stream: DynStream; r, body: untyped) =
block:
var r = stream.initPacketReader()
body
proc readData*(reader: var BufferedReader; buffer: pointer; len: int) =
assert reader.bufIdx + len <= reader.buffer.len
copyMem(buffer, addr reader.buffer[reader.bufIdx], len)
reader.bufIdx += len
proc sread*(reader: var BufferedReader; n: var SomeNumber) =
reader.readData(addr n, sizeof(n))
proc sread*[T: enum](reader: var BufferedReader; x: var T) =
var i: int
reader.sread(i)
x = cast[T](i)
proc sread*[T](reader: var BufferedReader; s: var set[T]) =
var len: int
reader.sread(len)
for i in 0 ..< len:
var x: T
reader.sread(x)
s.incl(x)
proc sread*(reader: var BufferedReader; s: var string) =
var len: int
reader.sread(len)
s = newString(len)
if len > 0:
reader.readData(addr s[0], len)
proc sread*(reader: var BufferedReader; b: var bool) =
var n: uint8
reader.sread(n)
if n == 1u8:
b = true
else:
assert n == 0u8
b = false
proc sread*(reader: var BufferedReader; tup: var tuple) =
for f in tup.fields:
reader.sread(f)
proc sread*[I; T](reader: var BufferedReader; a: var array[I, T]) =
for x in a.mitems:
reader.sread(x)
proc sread*(reader: var BufferedReader; s: var seq) =
var len: int
reader.sread(len)
s.setLen(len)
for x in s.mitems:
reader.sread(x)
proc sread*[U; V](reader: var BufferedReader; t: var Table[U, V]) =
var len: int
reader.sread(len)
for i in 0..<len:
var k: U
reader.sread(k)
var v: V
reader.sread(v)
t[k] = v
proc sread*(reader: var BufferedReader; obj: var object) =
for f in obj.fields:
reader.sread(f)
proc sread*(reader: var BufferedReader; obj: var ref object) =
var n: bool
reader.sread(n)
if n:
new(obj)
reader.sread(obj[])
proc sread*[T](reader: var BufferedReader; o: var Option[T]) =
var x: bool
reader.sread(x)
if x:
var m: T
reader.sread(m)
o = some(m)
else:
o = none(T)
proc sread*[T, E](reader: var BufferedReader; o: var Result[T, E]) =
var x: bool
reader.sread(x)
if x:
when T isnot void:
var m: T
reader.sread(m)
o.ok(m)
else:
o.ok()
else:
when E isnot void:
var e: E
reader.sread(e)
o.err(e)
else:
o.err()
proc sread*(reader: var BufferedReader; c: var ARGBColor) =
reader.sread(uint32(c))
proc sread*(reader: var BufferedReader; c: var CellColor) =
reader.sread(uint32(c))
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