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/*
* 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 cpp.NativeProcess;
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();
NativeProcess.process_stdin_close(p);
}
public override function writeByte(c) {
buf.set(0, c);
writeBytes(buf, 0, 1);
}
public override function writeBytes(buf:haxe.io.Bytes, pos:Int, len:Int):Int {
try {
return NativeProcess.process_stdin_write(p, buf.getData(), pos, len);
} catch (e:Dynamic) {
throw new haxe.io.Eof();
}
return 0;
}
}
private class Stdout extends haxe.io.Input {
var p:Dynamic;
var out:Bool;
var buf:haxe.io.Bytes;
public function new(p:Dynamic, out) {
this.p = p;
this.out = out;
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, len:Int):Int {
var result:Int;
try {
result = out ? NativeProcess.process_stdout_read(p, str.getData(), pos, len) : NativeProcess.process_stderr_read(p, str.getData(), pos, len);
} catch (e:Dynamic) {
throw new haxe.io.Eof();
}
if (result == 0)
throw new haxe.io.Eof();
return result;
}
}
@:coreApi
class Process {
var p:Dynamic;
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>, ?detached:Bool):Void {
if (detached)
throw "Detached process is not supported on this platform";
p = try NativeProcess.process_run(cmd, args) catch (e:Dynamic) throw "Process creation failure : " + cmd;
stdin = new Stdin(p);
stdout = new Stdout(p, true);
stderr = new Stdout(p, false);
}
public function getPid():Int {
return NativeProcess.process_pid(p);
}
public function exitCode(block:Bool = true):Null<Int> {
return NativeProcess.process_exit(p, block);
}
public function close():Void {
NativeProcess.process_close(p);
}
public function kill():Void {
NativeProcess.process_kill(p);
}
}
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