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/*
* Copyright (C)2005-2017 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 sys.io;
import lua.FileHandle;
import lua.Io;
import lua.NativeStringTools;
import lua.Boot;
import lua.Os;
import haxe.io.Bytes;
import haxe.io.Error;
import haxe.io.Eof;
class FileInput extends haxe.io.Input {
var f:FileHandle;
var _eof:Bool;
public function new(f:FileHandle){
if (f == null) throw 'Invalid filehandle : $f';
this.bigEndian = Boot.platformBigEndian;
this.f = f;
this._eof = false;
}
inline public function seek( p : Int, pos : FileSeek ) : Void {
var arg = switch(pos){
case SeekBegin : "set";
case SeekCur : "cur";
case SeekEnd : "end";
}
_eof = false;
return f.seek(arg, p);
}
inline public function tell() : Int {
return f.seek();
}
inline public function eof() : Bool {
return _eof;
}
override inline public function readByte() : Int {
var byte = f.read(1);
if (byte == null) {
_eof = true;
throw new haxe.io.Eof();
}
return NativeStringTools.byte(byte);
}
override inline public function close() : Void {
f.close();
}
override public function readAll( ?bufsize : Int ) : Bytes {
if( bufsize == null )
bufsize = (1 << 14); // 16 Ko
var buf = Bytes.alloc(bufsize);
var total = new haxe.io.BytesBuffer();
try {
while( true ) {
var len = readBytes(buf,0,bufsize);
if (len == 0) break;
total.addBytes(buf,0,len);
}
} catch( e : Eof ) _eof = true;
return total.getBytes();
}
}
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