LNXSDK/Kha/Tools/linux_x64/std/python/io/NativeInput.hx
2025-01-22 16:18:30 +01:00

85 lines
2.3 KiB
Haxe

/*
* Copyright (C)2005-2019 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 python.io;
import haxe.io.Eof;
import haxe.io.Input;
import python.Bytearray;
import python.lib.io.IOBase;
import python.lib.io.RawIOBase;
class NativeInput<T:IOBase> extends Input {
var stream:T;
var wasEof:Bool;
function new(s:T) {
this.stream = s;
this.bigEndian = false;
wasEof = false;
if (!stream.readable())
throw "Write-only stream";
}
public var canSeek(get, never):Bool;
inline function get_canSeek():Bool
return stream.seekable();
override public function close():Void {
stream.close();
}
public function tell():Int {
return stream.tell();
}
function throwEof() {
wasEof = true;
throw new Eof();
}
public function eof() {
return wasEof;
}
function readinto(b:Bytearray):Int {
throw "abstract method, should be overridden";
}
function seek(p:Int, mode:sys.io.FileSeek) {
throw "abstract method, should be overridden";
}
override public function readBytes(s:haxe.io.Bytes, pos:Int, len:Int):Int {
if (pos < 0 || len < 0 || pos + len > s.length)
throw haxe.io.Error.OutsideBounds;
var ba = new Bytearray(len);
var ret = readinto(ba);
if (ret == 0)
throwEof();
s.blit(pos, haxe.io.Bytes.ofData(ba), 0, len);
return ret;
}
}