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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 sys.io;
import php.NativeArray;
private class Stdin extends haxe.io.Output {
var p : Dynamic;
var buf : haxe.io.Bytes;
public function new(p:Dynamic) {
this.p = p;
buf = haxe.io.Bytes.alloc(1);
}
public override function close() {
super.close();
untyped __call__('fclose', p);
}
public override function writeByte(c) {
buf.set(0,c);
writeBytes(buf,0,1);
}
public override function writeBytes( b : haxe.io.Bytes, pos : Int, l : Int ) : Int {
var s = b.getString(pos, l);
if(untyped __call__('feof', p)) return throw new haxe.io.Eof();
var r = untyped __call__('fwrite', p, s, l);
if(untyped __physeq__(r, false)) return throw haxe.io.Error.Custom('An error occurred');
return r;
}
}
private class Stdout extends haxe.io.Input {
var p : Dynamic;
var buf : haxe.io.Bytes;
public function new(p:Dynamic) {
this.p = p;
buf = haxe.io.Bytes.alloc(1);
}
public override function readByte() {
if( readBytes(buf,0,1) == 0 )
throw haxe.io.Error.Blocked;
return buf.get(0);
}
public override function readBytes( str : haxe.io.Bytes, pos : Int, l : Int ) : Int {
if(untyped __call__('feof', p)) return throw new haxe.io.Eof();
var r : String = untyped __call__('fread', p, l);
if(untyped __physeq__(r, "")) return throw new haxe.io.Eof();
if(untyped __physeq__(r, false)) return throw haxe.io.Error.Custom('An error occurred');
var b = haxe.io.Bytes.ofString(r);
str.blit(pos, b, 0, r.length);
return r.length;
}
}
@:coreApi
class Process {
var p : Dynamic;
var st : NativeArray;
var cl : Int;
public var stdout(default,null) : haxe.io.Input;
public var stderr(default,null) : haxe.io.Input;
public var stdin(default,null) : haxe.io.Output;
public function new( cmd : String, args : Array<String> ) : Void {
var pipes = untyped __call__("array");
var descriptorspec = untyped __php__("array(
array('pipe', 'r'),
array('pipe', 'w'),
array('pipe', 'w')
)");
p = untyped __call__('proc_open', cmd+sargs(args), descriptorspec, pipes);
if(untyped __physeq__(p, false)) throw "Process creation failure : "+cmd;
stdin = new Stdin( pipes[0]);
stdout = new Stdout(pipes[1]);
stderr = new Stdout(pipes[2]);
}
public function close() : Void {
if(null == st)
st = untyped __call__('proc_get_status', p);
replaceStream(stderr);
replaceStream(stdout);
cl = untyped __call__('proc_close', p);
}
function sargs(args : Array<String>) : String {
var b = '';
for(arg in args) {
arg = arg.split('"').join('\"');
if(arg.indexOf(' ') >= 0)
arg = '"'+arg+'"';
b += ' '+arg;
}
return b;
}
public function getPid() : Int {
var r = untyped __call__('proc_get_status', p);
return r[untyped 'pid'];
}
public function kill() : Void {
untyped __call__('proc_terminate',p);
}
function replaceStream(input : haxe.io.Input) : Void {
var fp = untyped __call__("fopen", "php://memory", "r+");
while(true) {
var s = untyped __call__("fread", untyped input.p, 8192);
if(untyped __physeq__(s, false) || s == null || s == '') break;
untyped __call__("fwrite", fp, s);
}
untyped __call__("rewind", fp);
untyped input.p = fp;
}
public function exitCode() : Int {
if (null == cl)
{
st = untyped __call__('proc_get_status', p);
while(st[untyped 'running']) {
Sys.sleep(0.01);
st = untyped __call__('proc_get_status', p);
}
close();
}
return (cast st[untyped 'exitcode']) < 0 ? cl : cast st[untyped 'exitcode'];
}
}
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