Add interface and filters

diff --git a/Twig/Filter/CPackFilter.php b/Twig/Filter/CPackFilter.php
new file mode 100644 (file)
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 (file)
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 (file)
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;
+       }
+}