abstract class CommandLine extends Enum
{
public static $WINDOWS, $UNIX;
static function __static()
{
self::$WINDOWS = new class(0, 'WINDOWS') extends CommandLine
{
static function __static()
{
}
public function parse($cmd)
{
static $triple = '"""';
$parts = [];
$r = '';
for ($i = 0, $s = strlen($cmd); $i < $s; $i++) {
if (' ' === $cmd[$i]) {
$parts[] = $r;
$r = '';
} else {
if ('"' === $cmd[$i]) {
$q = $i + 1;
do {
if (false === ($p = strpos($cmd, '"', $q))) {
$q = $s;
break;
}
$q = $p;
if ($triple === substr($cmd, $q, 3)) {
if (false === ($p = strpos($cmd, $triple, $q + 3))) {
$q = $q + 3;
continue;
}
$q = $p + 3;
continue;
}
break;
} while ($q < $s);
$r .= str_replace($triple, '"', substr($cmd, $i + 1, $q - $i - 1));
$i = $q;
} else {
$r .= $cmd[$i];
}
}
}
$parts[] = $r;
return $parts;
}
protected static function quote($arg)
{
$l = strlen($arg);
if ($l && strcspn($arg, '" ') >= $l) {
return $arg;
}
return '"' . str_replace('"', '"""', $arg) . '"';
}
public function compose($command, $arguments = [])
{
$cmd = self::quote($command);
foreach ($arguments as $arg) {
$cmd .= " " . self::quote($arg);
}
return $cmd;
}
};
self::$UNIX = new class(1, 'UNIX') extends CommandLine
{
static function __static()
{
}
public function parse($cmd)
{
$parts = [];
$o = 0;
$l = strlen($cmd);
while ($o < $l) {
$p = strcspn($cmd, ' ', $o);
$option = substr($cmd, $o, $p);
if (1 === substr_count($option, '"')) {
$ql = $o + $p;
$qp = strpos($cmd, '"', $ql) + 1;
$option .= substr($cmd, $ql, $qp - $ql);
$o = $qp + 1;
} else {
if (1 === substr_count($option, "'")) {
$ql = $o + $p;
$qp = strpos($cmd, "'", $ql) + 1;
$option .= substr($cmd, $ql, $qp - $ql);
$o = $qp + 1;
} else {
$o += $p + 1;
}
}
if ('"' === $option[0] || "'" === $option[0]) {
$option = substr($option, 1, -1);
}
$parts[] = $option;
}
return $parts;
}
protected static function quote($arg)
{
$l = strlen($arg);
if ($l && strcspn($arg, "&;`\\'\"|*?~<>^()[]{}\$ ") >= $l) {
return $arg;
}
return "'" . str_replace("'", "'\\''", $arg) . "'";
}
public function compose($command, $arguments = [])
{
$cmd = self::quote($command);
foreach ($arguments as $arg) {
$cmd .= ' ' . self::quote($arg);
}
return $cmd;
}
};
}
/**
* Returns the command line implementation for the given operating
* system.
*
* @param string os operating system name, e.g. PHP_OS
* @return lang.CommandLine
*/
public static function forName(string $os) : self
{
if (0 === strncasecmp($os, 'Win', 3)) {
return self::$WINDOWS;
} else {
return self::$UNIX;
}
}
/**
* Parse command line
*
* @param string cmd
* @return string[] parts
*/
public abstract function parse($cmd);
/**
* Build command line from a command and - optionally - arguments
*
* @param string command
* @param string[] arguments default []
* @return string
*/
public abstract function compose($command, $arguments = []);
}
static function __static()
{
self::$WINDOWS = newinstance(__CLASS__, [0, 'WINDOWS'], '{
static function __static() { }
public function parse($cmd) {
static $triple= "\\"\\"\\"";
$parts= [];
$r= "";
for ($i= 0, $s= strlen($cmd); $i < $s; $i++) {
if (" " === $cmd{$i}) {
$parts[]= $r;
$r= "";
} else if ("\\"" === $cmd{$i}) {
$q= $i+ 1;
do {
if (FALSE === ($p= strpos($cmd, "\\"", $q))) {
$q= $s;
break;
}
$q= $p;
if ($triple === substr($cmd, $q, 3)) {
if (FALSE === ($p= strpos($cmd, $triple, $q+ 3))) {
$q= $q+ 3;
continue;
}
$q= $p+ 3;
continue;
}
break;
} while ($q < $s);
$r.= str_replace($triple, "\\"", substr($cmd, $i+ 1, $q- $i- 1));
$i= $q;
} else {
$r.= $cmd{$i};
}
}
$parts[]= $r;
return $parts;
}
protected static function quote($arg) {
$l= strlen($arg);
if ($l && strcspn($arg, "\\" ") >= $l) return $arg;
return \'"\'.str_replace(\'"\', \'"""\', $arg).\'"\';
}
public function compose($command, $arguments= []) {
$cmd= self::quote($command);
foreach ($arguments as $arg) {
$cmd.= " ".self::quote($arg);
}
return $cmd;
}
}');
self::$UNIX = newinstance(__CLASS__, [1, 'UNIX'], '{
static function __static() { }
public function parse($cmd) {
$parts= [];
$o= 0;
$l= strlen($cmd);
while ($o < $l) {
$p= strcspn($cmd, " ", $o);
$option= substr($cmd, $o, $p);
if (1 === substr_count($option, \'"\')) {
$ql= $o+ $p;
$qp= strpos($cmd, \'"\', $ql)+ 1;
$option.= substr($cmd, $ql, $qp- $ql);
$o= $qp+ 1;
} else if (1 === substr_count($option, "\'")) {
$ql= $o+ $p;
$qp= strpos($cmd, "\'", $ql)+ 1;
$option.= substr($cmd, $ql, $qp- $ql);
$o= $qp+ 1;
} else {
$o+= $p+ 1;
}
if (\'"\' === $option{0} || "\'" === $option{0}) $option= substr($option, 1, -1);
$parts[]= $option;
}
return $parts;
}
protected static function quote($arg) {
$l= strlen($arg);
if ($l && strcspn($arg, "&;`\'\\"|*?~<>^()[]{}\\$ ") >= $l) return $arg;
return "\'".str_replace("\'", "\'\\\'\'", $arg)."\'";
}
public function compose($command, $arguments= []) {
$cmd= self::quote($command);
foreach ($arguments as $arg) {
$cmd.= " ".self::quote($arg);
}
return $cmd;
}
}');
}
