85 lines
2.3 KiB
Haxe
85 lines
2.3 KiB
Haxe
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/*
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* Copyright (C)2005-2019 Haxe Foundation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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package python.io;
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import haxe.io.Eof;
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import haxe.io.Input;
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import python.Bytearray;
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import python.lib.io.IOBase;
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import python.lib.io.RawIOBase;
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class NativeInput<T:IOBase> extends Input {
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var stream:T;
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var wasEof:Bool;
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function new(s:T) {
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this.stream = s;
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this.bigEndian = false;
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wasEof = false;
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if (!stream.readable())
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throw "Write-only stream";
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}
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public var canSeek(get, never):Bool;
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inline function get_canSeek():Bool
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return stream.seekable();
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override public function close():Void {
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stream.close();
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}
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public function tell():Int {
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return stream.tell();
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}
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function throwEof() {
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wasEof = true;
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throw new Eof();
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}
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public function eof() {
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return wasEof;
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}
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function readinto(b:Bytearray):Int {
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throw "abstract method, should be overridden";
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}
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function seek(p:Int, mode:sys.io.FileSeek) {
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throw "abstract method, should be overridden";
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}
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override public function readBytes(s:haxe.io.Bytes, pos:Int, len:Int):Int {
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if (pos < 0 || len < 0 || pos + len > s.length)
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throw haxe.io.Error.OutsideBounds;
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var ba = new Bytearray(len);
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var ret = readinto(ba);
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if (ret == 0)
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throwEof();
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s.blit(pos, haxe.io.Bytes.ofData(ba), 0, len);
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return ret;
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}
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}
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