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/*
* Copyright (C)2005-2012 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package cs.io;
import haxe.Int64;
import haxe.io.Bytes;
import haxe.io.Eof;
import haxe.io.Error;
import haxe.io.Input;
class NativeInput extends Input
{
public var canSeek(get_canSeek, null):Bool;
var stream:cs.system.io.Stream;
var _eof:Bool;
public function new(stream)
{
this.stream = stream;
this._eof = false;
if (!stream.CanRead) throw "Write-only stream";
}
override public function readByte():Int
{
var ret = stream.ReadByte();
if (ret == -1) {
_eof = true;
throw new Eof();
}
return ret;
}
override public function readBytes(s:Bytes, pos:Int, len:Int):Int
{
if( pos < 0 || len < 0 || pos + len > s.length )
throw Error.OutsideBounds;
var ret = stream.Read(s.getData(), pos, len);
if (ret == 0) {
_eof = true;
throw new Eof();
}
return ret;
}
override public function close():Void
{
stream.Close();
}
private function get_canSeek():Bool
{
return stream.CanSeek;
}
public function seek( p : Int, pos : sys.io.FileSeek ) : Void
{
_eof = false;
var pos = switch(pos)
{
case SeekBegin: cs.system.io.SeekOrigin.Begin;
case SeekCur: cs.system.io.SeekOrigin.Current;
case SeekEnd: cs.system.io.SeekOrigin.End;
};
stream.Seek(cast(p, Int64), pos);
}
public function tell() : Int
{
return cast(stream.Position, Int);
}
public inline function eof() : Bool
{
return _eof;
}
}
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