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| author | Anton Luka Šijanec <anton@sijanec.eu> | 2022-01-11 12:35:47 +0100 |
|---|---|---|
| committer | Anton Luka Šijanec <anton@sijanec.eu> | 2022-01-11 12:35:47 +0100 |
| commit | 19985dbb8c0aa66dc4bf7905abc1148de909097d (patch) | |
| tree | 2cd5a5d20d7e80fc2a51adf60d838d8a2c40999e /admin/survey/minify/lib/Minify/NailgunClosureCompiler.php | |
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Diffstat (limited to 'admin/survey/minify/lib/Minify/NailgunClosureCompiler.php')
| -rw-r--r-- | admin/survey/minify/lib/Minify/NailgunClosureCompiler.php | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/admin/survey/minify/lib/Minify/NailgunClosureCompiler.php b/admin/survey/minify/lib/Minify/NailgunClosureCompiler.php new file mode 100644 index 0000000..683e30f --- /dev/null +++ b/admin/survey/minify/lib/Minify/NailgunClosureCompiler.php @@ -0,0 +1,113 @@ +<?php
+
+/**
+ * Class Minify_ClosureCompiler
+ * @package Minify
+ */
+
+/**
+ * Run Closure Compiler via NailGun
+ *
+ * @package Minify
+ * @author Elan Ruusamäe <glen@delfi.ee>
+ * @link https://github.com/martylamb/nailgun
+ */
+class Minify_NailgunClosureCompiler extends Minify_ClosureCompiler
+{
+ const NG_SERVER = 'com.martiansoftware.nailgun.NGServer';
+ const CC_MAIN = 'com.google.javascript.jscomp.CommandLineRunner';
+
+ /**
+ * For some reasons Nailgun thinks that it's server
+ * broke the connection and returns 227 instead of 0
+ * We'll just handle this here instead of fixing
+ * the nailgun client itself.
+ *
+ * It also sometimes breaks on 229 on the devbox.
+ * To complete this whole madness and made future
+ * 'fixes' easier I added this nice little array...
+ * @var array
+ */
+ private static $NG_EXIT_CODES = array(0, 227, 229);
+
+ /**
+ * Filepath of "ng" executable (from Nailgun package)
+ *
+ * @var string
+ */
+ public static $ngExecutable = 'ng';
+
+ /**
+ * Filepath of the Nailgun jar file.
+ *
+ * @var string
+ */
+ public static $ngJarFile;
+
+ /**
+ * Get command to launch NailGun server.
+ *
+ * @return array
+ */
+ protected function getServerCommandLine()
+ {
+ $this->checkJar(self::$ngJarFile);
+ $this->checkJar(self::$jarFile);
+
+ $classPath = array(
+ self::$ngJarFile,
+ self::$jarFile,
+ );
+
+ // The command for the server that should show up in the process list
+ $server = array(
+ self::$javaExecutable,
+ '-server',
+ '-cp', implode(':', $classPath),
+ self::NG_SERVER,
+ );
+
+ return $server;
+ }
+
+ /**
+ * @return array
+ * @throws Minify_ClosureCompiler_Exception
+ */
+ protected function getCompilerCommandLine()
+ {
+ $server = array(
+ self::$ngExecutable,
+ escapeshellarg(self::CC_MAIN)
+ );
+
+ return $server;
+ }
+
+ /**
+ * @param string $tmpFile
+ * @param array $options
+ * @return string
+ * @throws Minify_ClosureCompiler_Exception
+ */
+ protected function compile($tmpFile, $options)
+ {
+ $this->startServer();
+
+ $command = $this->getCommand($options, $tmpFile);
+
+ return implode("\n", $this->shell($command, self::$NG_EXIT_CODES));
+ }
+
+ private function startServer()
+ {
+ $serverCommand = implode(' ', $this->getServerCommandLine());
+ $psCommand = $this->shell("ps -o cmd= -C " . self::$javaExecutable);
+ if (in_array($serverCommand, $psCommand, true)) {
+ // already started!
+ return;
+ }
+
+ $this->shell("$serverCommand </dev/null >/dev/null 2>/dev/null & sleep 10");
+ }
+}
\ No newline at end of file |