1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*
* 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 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;
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 function readBytes(s:Bytes, pos:Int, len:Int):Int {
if (eof())
throw new haxe.io.Eof();
return super.readBytes(s, pos, len);
}
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();
}
}
|
