Add Process interface for cpp

std/cpp/io/Process.hx

@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2005-2007, The haXe Project Contributors
+ * All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   - Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE HAXE PROJECT CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE HAXE PROJECT CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ */
+package cpp.io;
+
+private class Stdin extends haxe.io.Output {
+
+	var p : Dynamic;
+	var buf : haxe.io.Bytes;
+
+	public function new(p) {
+		this.p = p;
+		buf = haxe.io.Bytes.alloc(1);
+	}
+
+	public override function close() {
+		super.close();
+		_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 _stdin_write(p,buf.getData(),pos,len);
+		} catch( e : Dynamic ) {
+			throw new haxe.io.Eof();
+		}
+	}
+
+	static var _stdin_write = cpp.Lib.load("std","process_stdin_write",4);
+	static var _stdin_close = cpp.Lib.load("std","process_stdin_close",1);
+
+}
+
+private class Stdout extends haxe.io.Input {
+
+	var p : Dynamic;
+	var out : Bool;
+	var buf : haxe.io.Bytes;
+
+	public function new(p,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?_stdout_read:_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;
+	}
+
+	static var _stdout_read = cpp.Lib.load("std","process_stdout_read",4);
+	static var _stderr_read = cpp.Lib.load("std","process_stderr_read",4);
+
+}
+
+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> ) {
+		p = try _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 _pid(p);
+	}
+
+	public function exitCode() : Int {
+		return _exit(p);
+	}
+
+	public function close() {
+		_close(p);
+	}
+
+	static var _run = cpp.Lib.load("std","process_run",2);
+	static var _exit = cpp.Lib.load("std","process_exit",1);
+	static var _pid = cpp.Lib.load("std","process_pid",1);
+	static var _close = cpp.Lib.loadLazy("std","process_close",1);
+
+}