--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/assetic/src/Assetic/Util/Process.php Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,380 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * Copyright (c) 2004-2011 Fabien Potencier
+ *
+ * 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.
+ */
+
+namespace Assetic\Util;
+
+/**
+ * Process is a thin wrapper around proc_* functions to ease
+ * start independent PHP processes.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class Process
+{
+ private $commandline;
+ private $cwd;
+ private $env;
+ private $stdin;
+ private $timeout;
+ private $options;
+ private $exitcode;
+ private $status;
+ private $stdout;
+ private $stderr;
+
+ /**
+ * Constructor.
+ *
+ * @param string $commandline The command line to run
+ * @param string $cwd The working directory
+ * @param array $env The environment variables
+ * @param string $stdin The STDIN content
+ * @param integer $timeout The timeout in seconds
+ * @param array $options An array of options for proc_open
+ *
+ * @throws \RuntimeException When proc_open is not installed
+ *
+ * @api
+ */
+ public function __construct($commandline, $cwd = null, array $env = null, $stdin = null, $timeout = 60, array $options = array())
+ {
+ if (!function_exists('proc_open')) {
+ throw new \RuntimeException('The Process class relies on proc_open, which is not available on your PHP installation.');
+ }
+
+ $this->commandline = $commandline;
+ $this->cwd = null === $cwd ? getcwd() : $cwd;
+ if (null !== $env) {
+ $this->env = array();
+ foreach ($env as $key => $value) {
+ $this->env[(binary) $key] = (binary) $value;
+ }
+ } else {
+ $this->env = null;
+ }
+ $this->stdin = $stdin;
+ $this->timeout = $timeout;
+ $this->options = array_merge(array('suppress_errors' => true, 'binary_pipes' => true, 'bypass_shell' => false), $options);
+ }
+
+ /**
+ * Runs the process.
+ *
+ * The callback receives the type of output (out or err) and
+ * some bytes from the output in real-time. It allows to have feedback
+ * from the independent process during execution.
+ *
+ * The STDOUT and STDERR are also available after the process is finished
+ * via the getOutput() and getErrorOutput() methods.
+ *
+ * @param Closure|string|array $callback A PHP callback to run whenever there is some
+ * output available on STDOUT or STDERR
+ *
+ * @return integer The exit status code
+ *
+ * @throws \RuntimeException When process can't be launch or is stopped
+ *
+ * @api
+ */
+ public function run($callback = null)
+ {
+ $this->stdout = '';
+ $this->stderr = '';
+ $that = $this;
+ $callback = function ($type, $data) use ($that, $callback)
+ {
+ if ('out' == $type) {
+ $that->addOutput($data);
+ } else {
+ $that->addErrorOutput($data);
+ }
+
+ if (null !== $callback) {
+ call_user_func($callback, $type, $data);
+ }
+ };
+
+ $descriptors = array(array('pipe', 'r'), array('pipe', 'w'), array('pipe', 'w'));
+
+ $process = proc_open($this->commandline, $descriptors, $pipes, $this->cwd, $this->env, $this->options);
+
+ if (!is_resource($process)) {
+ throw new \RuntimeException('Unable to launch a new process.');
+ }
+
+ foreach ($pipes as $pipe) {
+ stream_set_blocking($pipe, false);
+ }
+
+ if (null === $this->stdin) {
+ fclose($pipes[0]);
+ $writePipes = null;
+ } else {
+ $writePipes = array($pipes[0]);
+ $stdinLen = strlen($this->stdin);
+ $stdinOffset = 0;
+ }
+ unset($pipes[0]);
+
+ while ($pipes || $writePipes) {
+ $r = $pipes;
+ $w = $writePipes;
+ $e = null;
+
+ $n = @stream_select($r, $w, $e, $this->timeout);
+
+ if (false === $n) {
+ break;
+ } elseif ($n === 0) {
+ proc_terminate($process);
+
+ throw new \RuntimeException('The process timed out.');
+ }
+
+ if ($w) {
+ $written = fwrite($writePipes[0], (binary) substr($this->stdin, $stdinOffset), 8192);
+ if (false !== $written) {
+ $stdinOffset += $written;
+ }
+ if ($stdinOffset >= $stdinLen) {
+ fclose($writePipes[0]);
+ $writePipes = null;
+ }
+ }
+
+ foreach ($r as $pipe) {
+ $type = array_search($pipe, $pipes);
+ $data = fread($pipe, 8192);
+ if (strlen($data) > 0) {
+ call_user_func($callback, $type == 1 ? 'out' : 'err', $data);
+ }
+ if (false === $data || feof($pipe)) {
+ fclose($pipe);
+ unset($pipes[$type]);
+ }
+ }
+ }
+
+ $this->status = proc_get_status($process);
+
+ $time = 0;
+ while (1 == $this->status['running'] && $time < 1000000) {
+ $time += 1000;
+ usleep(1000);
+ $this->status = proc_get_status($process);
+ }
+
+ proc_close($process);
+
+ if ($this->status['signaled']) {
+ throw new \RuntimeException(sprintf('The process stopped because of a "%s" signal.', $this->status['stopsig']));
+ }
+
+ return $this->exitcode = $this->status['exitcode'];
+ }
+
+ /**
+ * Returns the output of the process (STDOUT).
+ *
+ * This only returns the output if you have not supplied a callback
+ * to the run() method.
+ *
+ * @return string The process output
+ *
+ * @api
+ */
+ public function getOutput()
+ {
+ return $this->stdout;
+ }
+
+ /**
+ * Returns the error output of the process (STDERR).
+ *
+ * This only returns the error output if you have not supplied a callback
+ * to the run() method.
+ *
+ * @return string The process error output
+ *
+ * @api
+ */
+ public function getErrorOutput()
+ {
+ return $this->stderr;
+ }
+
+ /**
+ * Returns the exit code returned by the process.
+ *
+ * @return integer The exit status code
+ *
+ * @api
+ */
+ public function getExitCode()
+ {
+ return $this->exitcode;
+ }
+
+ /**
+ * Checks if the process ended successfully.
+ *
+ * @return Boolean true if the process ended successfully, false otherwise
+ *
+ * @api
+ */
+ public function isSuccessful()
+ {
+ return 0 == $this->exitcode;
+ }
+
+ /**
+ * Returns true if the child process has been terminated by an uncaught signal.
+ *
+ * It always returns false on Windows.
+ *
+ * @return Boolean
+ *
+ * @api
+ */
+ public function hasBeenSignaled()
+ {
+ return $this->status['signaled'];
+ }
+
+ /**
+ * Returns the number of the signal that caused the child process to terminate its execution.
+ *
+ * It is only meaningful if hasBeenSignaled() returns true.
+ *
+ * @return integer
+ *
+ * @api
+ */
+ public function getTermSignal()
+ {
+ return $this->status['termsig'];
+ }
+
+ /**
+ * Returns true if the child process has been stopped by a signal.
+ *
+ * It always returns false on Windows.
+ *
+ * @return Boolean
+ *
+ * @api
+ */
+ public function hasBeenStopped()
+ {
+ return $this->status['stopped'];
+ }
+
+ /**
+ * Returns the number of the signal that caused the child process to stop its execution
+ *
+ * It is only meaningful if hasBeenStopped() returns true.
+ *
+ * @return integer
+ *
+ * @api
+ */
+ public function getStopSignal()
+ {
+ return $this->status['stopsig'];
+ }
+
+ public function addOutput($line)
+ {
+ $this->stdout .= $line;
+ }
+
+ public function addErrorOutput($line)
+ {
+ $this->stderr .= $line;
+ }
+
+ public function getCommandLine()
+ {
+ return $this->commandline;
+ }
+
+ public function setCommandLine($commandline)
+ {
+ $this->commandline = $commandline;
+ }
+
+ public function getTimeout()
+ {
+ return $this->timeout;
+ }
+
+ public function setTimeout($timeout)
+ {
+ $this->timeout = $timeout;
+ }
+
+ public function getWorkingDirectory()
+ {
+ return $this->cwd;
+ }
+
+ public function setWorkingDirectory($cwd)
+ {
+ $this->cwd = $cwd;
+ }
+
+ public function getEnv()
+ {
+ return $this->env;
+ }
+
+ public function setEnv(array $env)
+ {
+ $this->env = $env;
+ }
+
+ public function getStdin()
+ {
+ return $this->stdin;
+ }
+
+ public function setStdin($stdin)
+ {
+ $this->stdin = $stdin;
+ }
+
+ public function getOptions()
+ {
+ return $this->options;
+ }
+
+ public function setOptions(array $options)
+ {
+ $this->options = $options;
+ }
+}