Update

2020-03-07 19:46:02 +01:00 · 2020-03-07 19:46:02 +01:00 · 33458b2ca3
commit 33458b2ca3
parent a37785b391
9915 changed files with 1247019 additions and 0 deletions
--- a/trunk/_vendor/symfony/assetic-bundle/Command/WatchCommand.php
+++ b/trunk/_vendor/symfony/assetic-bundle/Command/WatchCommand.php
@ -0,0 +1,123 @@
+<?php
+
+/*
+ * This file is part of the Symfony framework.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+namespace Symfony\Bundle\AsseticBundle\Command;
+
+use Assetic\Util\VarUtils;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\ConsoleOutputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Dumps assets as their source files are modified.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+class WatchCommand extends AbstractCommand
+{
+    protected function configure()
+    {
+        $this
+            ->setName('assetic:watch')
+            ->setDescription('Dumps assets to the filesystem as their source files are modified')
+            ->addArgument('write_to', InputArgument::OPTIONAL, 'Override the configured asset root')
+            ->addOption('force', null, InputOption::VALUE_NONE, 'Force an initial generation of all assets')
+            ->addOption('period', null, InputOption::VALUE_REQUIRED, 'Set the polling period in seconds', 1)
+        ;
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $stdout)
+    {
+        // capture error output
+        $stderr = $stdout instanceof ConsoleOutputInterface
+            ? $stdout->getErrorOutput()
+            : $stdout;
+
+        // print the header
+        $stdout->writeln(sprintf('Dumping all <comment>%s</comment> assets.', $input->getOption('env')));
+        $stdout->writeln(sprintf('Debug mode is <comment>%s</comment>.', $this->am->isDebug() ? 'on' : 'off'));
+        $stdout->writeln('');
+
+        // establish a temporary status file
+        $cache = sys_get_temp_dir().'/assetic_watch_'.substr(sha1($this->basePath), 0, 7);
+        if ($input->getOption('force') || !file_exists($cache)) {
+            $previously = array();
+        } else {
+            $previously = unserialize(file_get_contents($cache));
+            if (!is_array($previously)) {
+                $previously = array();
+            }
+        }
+
+        $error = '';
+        while (true) {
+            try {
+                foreach ($this->am->getNames() as $name) {
+                    if ($this->checkAsset($name, $previously)) {
+                        $this->dumpAsset($name, $stdout);
+                    }
+                }
+
+                // reset the asset manager
+                $this->am->clear();
+                $this->am->load();
+
+                file_put_contents($cache, serialize($previously));
+                $error = '';
+            } catch (\Exception $e) {
+                if ($error != $msg = $e->getMessage()) {
+                    $stderr->writeln('<error>[error]</error> '.$msg);
+                    $error = $msg;
+                }
+            }
+
+            clearstatcache ();
+            sleep($input->getOption('period'));
+        }
+    }
+
+    /**
+     * Checks if an asset should be dumped.
+     *
+     * @param string $name        The asset name
+     * @param array  &$previously An array of previous visits
+     *
+     * @return Boolean Whether the asset should be dumped
+     */
+    private function checkAsset($name, array &$previously)
+    {
+        $formula = $this->am->hasFormula($name) ? serialize($this->am->getFormula($name)) : null;
+        $asset = $this->am->get($name);
+
+        $combinations = VarUtils::getCombinations(
+            $asset->getVars(),
+            $this->getContainer()->getParameter('assetic.variables')
+        );
+
+        $mtime = 0;
+        foreach ($combinations as $combination) {
+            $asset->setValues($combination);
+            $mtime = max($mtime, $this->am->getLastModified($asset));
+        }
+
+        if (isset($previously[$name])) {
+            $changed = $previously[$name]['mtime'] != $mtime || $previously[$name]['formula'] != $formula;
+        } else {
+            $changed = true;
+        }
+
+        $previously[$name] = array('mtime' => $mtime, 'formula' => $formula);
+
+        return $changed;
+    }
+}