From da2c20b14bc2802eaf94e07a13ac79aab4cbfa71 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Rapha=C3=ABl=20Gertz?= <git@rapsys.eu>
Date: Tue, 26 Dec 2017 17:48:38 +0100
Subject: [PATCH] Add interface and filters

---
 Twig/Filter/CPackFilter.php     | 100 ++++++++++++++++++++++++++++++
 Twig/Filter/FilterInterface.php |   9 +++
 Twig/Filter/JPackFilter.php     | 105 ++++++++++++++++++++++++++++++++
 3 files changed, 214 insertions(+)
 create mode 100644 Twig/Filter/CPackFilter.php
 create mode 100644 Twig/Filter/FilterInterface.php
 create mode 100644 Twig/Filter/JPackFilter.php

diff --git a/Twig/Filter/CPackFilter.php b/Twig/Filter/CPackFilter.php
new file mode 100644
index 0000000..dff71c9
--- /dev/null
+++ b/Twig/Filter/CPackFilter.php
@@ -0,0 +1,100 @@
+<?php
+
+// src/Rapsys/PackBundle/Twig/Filter/CPackFilter.php
+namespace Rapsys\PackBundle\Twig\Filter;
+
+use Rapsys\PackBundle\Twig\Filter\FilterInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+class CPackFilter implements FilterInterface {
+	//Default bin
+	private $bin = 'cpack';
+
+	//Default compress type
+	//XXX: can be minify or pretty
+	private $compress = 'minify';
+
+	//Twig template filename
+	private $fileName;
+
+	//Twig template line
+	private $line;
+
+	//Configure the object
+	public function __construct(ContainerInterface $containerInterface, $fileName, $line) {
+		//Load configuration
+		if ($containerInterface->hasParameter('rapsys_pack.cpackfilter')) {
+			if ($parameters = $containerInterface->getParameter('rapsys_pack.cpackfilter')) {
+				foreach($parameters as $k => $v) {
+					if (isset($this->$k)) {
+						$this->$k = $v;
+					}
+				}
+			}
+		}
+
+		//Set fileName
+		$this->fileName = $fileName;
+
+		//Set line
+		$this->line = $line;
+
+		//Deal with compress
+		if (!empty($this->compress)) {
+			//Append minify parameter
+			if ($this->compress == 'minify') {
+				$this->bin .= ' --minify';
+			//Unknown compress type
+			#XXX: default compression is pretty
+			} elseif ($this->compress !== 'pretty') {
+				//Throw an error on unknown compress
+				throw new \Twig_Error(sprintf('Got unexpected compress for %s: %s', $this->bin, $this->compress), $this->line, $this->fileName);
+			}
+		}
+	}
+
+	public function process($content) {
+		//Create descriptors
+		$descriptorSpec = array(
+			0 => array('pipe', 'r'),
+			1 => array('pipe', 'w'),
+			2 => array('pipe', 'w')
+		);
+
+		//Open process
+		if (is_resource($proc = proc_open($this->bin, $descriptorSpec, $pipes))) {
+			//Set stderr as non blocking
+			stream_set_blocking($pipes[2], 0);
+
+			//Send content to stdin
+			fwrite($pipes[0], $content);
+
+			//Close stdin
+			fclose($pipes[0]);
+
+			//Read content from stdout
+			if ($stdout = stream_get_contents($pipes[1])) {
+				$content = $stdout;
+			}
+
+			//Close stdout
+			fclose($pipes[1]);
+
+			//Read content from stderr
+			if (($stderr = stream_get_contents($pipes[2]))) {
+				throw new \Twig_Error(sprintf('Got unexpected strerr for %s: %s', $this->bin, $stderr), $this->line, $this->fileName);
+			}
+
+			//Close stderr
+			fclose($pipes[2]);
+
+			//Close process
+			if (($ret = proc_close($proc))) {
+				throw new \Twig_Error(sprintf('Got unexpected non zero return code %s: %d', $this->bin, $ret), $this->line, $this->fileName);
+			}
+		}
+
+		//Return content
+		return $content;
+	}
+}
diff --git a/Twig/Filter/FilterInterface.php b/Twig/Filter/FilterInterface.php
new file mode 100644
index 0000000..2dc2b6f
--- /dev/null
+++ b/Twig/Filter/FilterInterface.php
@@ -0,0 +1,9 @@
+<?php
+
+// src/Rapsys/PackBundle/Twig/Filter/FilterInterface.php
+namespace Rapsys\PackBundle\Twig\Filter;
+
+interface FilterInterface {
+    //TODO: see if we need something else (like a constructor that read parameters or something else ?)
+    public function process($content);
+}
diff --git a/Twig/Filter/JPackFilter.php b/Twig/Filter/JPackFilter.php
new file mode 100644
index 0000000..43aeb86
--- /dev/null
+++ b/Twig/Filter/JPackFilter.php
@@ -0,0 +1,105 @@
+<?php
+
+// src/Rapsys/PackBundle/Twig/Filter/JPackFilter.php
+namespace Rapsys\PackBundle\Twig\Filter;
+
+use Rapsys\PackBundle\Twig\Filter\FilterInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+class JPackFilter implements FilterInterface {
+	//Default bin
+	private $bin = 'jpack';
+
+	//Default compress type
+	//XXX: can be clean, shrink, obfuscate or best
+	private $compress = 'best';
+
+	//Twig template filename
+	private $fileName;
+
+	//Twig template line
+	private $line;
+
+	public function __construct(ContainerInterface $containerInterface, $fileName, $line) {
+		//Load configuration
+		if ($containerInterface->hasParameter('rapsys_pack.jpackfilter')) {
+			if ($parameters = $containerInterface->getParameter('rapsys_pack.jpackfilter')) {
+				foreach($parameters as $k => $v) {
+					if (isset($this->$k)) {
+						$this->$k = $v;
+					}
+				}
+			}
+		}
+
+		//Set fileName
+		$this->fileName = $fileName;
+
+		//Set line
+		$this->line = $line;
+
+		//Deal with compress
+		if (!empty($this->compress)) {
+			//Append clean parameter
+			if ($this->compress == 'clean') {
+				$this->bin .= ' --clean';
+			//Append shrink parameter
+			} elseif ($this->compress == 'shrink') {
+				$this->bin .= ' --shrink';
+			//Append obfuscate parameter
+			} elseif ($this->compress == 'obfuscate') {
+				$this->bin .= ' --obfuscate';
+			//Unknown compress type
+			#XXX: default compression is best
+			} elseif ($this->compress !== 'best') {
+				//Throw an error on unknown compress
+				throw new \Twig_Error(sprintf('Got unexpected compress for %s: %s', $this->bin, $this->compress), $this->line, $this->fileName);
+			}
+		}
+	}
+
+	public function process($content) {
+		//Create descriptors
+		$descriptorSpec = array(
+			0 => array('pipe', 'r'),
+			1 => array('pipe', 'w'),
+			2 => array('pipe', 'w')
+		);
+
+		//Open process
+		if (is_resource($proc = proc_open($this->bin, $descriptorSpec, $pipes))) {
+			//Set stderr as non blocking
+			stream_set_blocking($pipes[2], 0);
+
+			//Send content to stdin
+			fwrite($pipes[0], $content);
+
+			//Close stdin
+			fclose($pipes[0]);
+
+			//Read content from stdout
+			if ($stdout = stream_get_contents($pipes[1])) {
+				$content = $stdout;
+			}
+
+			//Close stdout
+			fclose($pipes[1]);
+
+			//Read content from stderr
+			if (($stderr = stream_get_contents($pipes[2]))) {
+				throw new \Twig_Error(sprintf('Got unexpected strerr for %s: %s', $this->bin, $stderr), $this->line, $this->fileName);
+			}
+
+			//Close stderr
+			fclose($pipes[2]);
+
+			//Close process
+			if (($ret = proc_close($proc))) {
+				throw new \Twig_Error(sprintf('Got unexpected non zero return code %s: %d', $this->bin, $ret), $this->line, $this->fileName);
+			}
+		}
+
+		//Return content
+		return $content;
+	}
+}
-- 
2.41.0