/* * 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; private typedef ProcessHandle = hl.Abstract<"hl_process">; 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 { var v = _stdin_write(p, buf.getData().bytes, pos, len); if( v < 0 ) throw new haxe.io.Eof(); return v; } @:hlNative("std","process_stdin_write") static function _stdin_write( p : ProcessHandle, bytes : hl.Bytes, pos : Int, len : Int ) : Int { return 0; } @:hlNative("std", "process_stdin_close") static function _stdin_close( p : ProcessHandle ) : Bool { return false; } } private class Stdout extends haxe.io.Input { var p : ProcessHandle; 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 v = out ? _stdout_read(p,str.getData().bytes,pos,len) : _stderr_read(p,str.getData().bytes,pos,len); if( v < 0 ) throw new haxe.io.Eof(); return v; } @:hlNative("std","process_stdout_read") static function _stdout_read( p : ProcessHandle, bytes : hl.Bytes, pos : Int, len : Int ) : Int { return 0; } @:hlNative("std","process_stderr_read") static function _stderr_read( p : ProcessHandle, bytes : hl.Bytes, pos : Int, len : Int ) : Int { return 0; } } @:access(Sys) @:coreApi class Process { var p : ProcessHandle; public var stdout(default,null) : haxe.io.Input; public var stderr(default,null) : haxe.io.Input; public var stdin(default, null) : haxe.io.Output; static var isWin = Sys.systemName() == "Windows"; public function new( cmd : String, ?args : Array ) : Void { var runCmd = cmd; if( isWin ) { var b = new StringBuf(); if( args == null ) { var exe = Sys.getEnv("COMSPEC"); if( exe == null ) exe = "cmd.exe"; b.add("\""); b.add(exe); b.add("\" /C \""); b.add(cmd); b.addChar('"'.code); } else { b.addChar('"'.code); b.add(cmd); b.addChar('"'.code); for( a in args ) { b.add(" \""); var bsCount = 0; for( i in 0...a.length ) { switch( StringTools.fastCodeAt(a, i) ) { case '"'.code: for( i in 0...bsCount * 2 ) b.addChar('\\'.code); bsCount = 0; b.add("\\\""); case '\\'.code: bsCount++; case c: for( i in 0...bsCount ) b.addChar('\\'.code); bsCount = 0; b.addChar(c); } } // Add remaining backslashes, if any. for( i in 0...bsCount * 2 ) b.addChar('\\'.code); b.addChar('"'.code); } args = null; } runCmd = b.toString(); } @:privateAccess { var aargs = null; if( args != null ) { aargs = new hl.NativeArray(args.length); for( i in 0...args.length ) aargs[i] = Sys.getPath(args[i]); } p = _run(Sys.getPath(runCmd), aargs); } if( p == null ) throw new Sys.SysError("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( block : Bool = true ) : Null { var running = false; var code = _exit(p, block == false ? new hl.Ref(running) : null); if( block == false ) return running ? null : code; return code; } public function close() : Void { _close(p); } public function kill() : Void { _kill(p); } @:hlNative("std","process_run") static function _run( cmd : hl.Bytes, args : hl.NativeArray ) : ProcessHandle { return null; } @:hlNative("std", "process_exit") static function _exit( p : ProcessHandle, running : hl.Ref ) : Int { return 0; } @:hlNative("std", "process_pid") static function _pid( p : ProcessHandle ) : Int { return 0; } @:hlNative("std","process_close") static function _close( p : ProcessHandle ) : Void { } @:hlNative("std","process_kill") static function _kill( p : ProcessHandle ) : Void { } }