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<?php
/**
* @package Komento
* @copyright Copyright (C) 2012 StackIdeas Private Limited. All rights reserved.
* @license GNU/GPL, see LICENSE.php
*
* Komento is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
defined('_JEXEC') or die('Restricted access');
require_once( KOMENTO_FOUNDRY . '/joomla/compiler.php' );
class KomentoCompiler
{
static $instance = null;
public $resourceManifestFile;
public function __construct()
{
$this->version = (string) Komento::getHelper( 'Version' )->getLocalVersion();
$this->resourceManifestFile = KOMENTO_RESOURCES . '/default-' . $this->version . '.json';
}
public static function getInstance()
{
if( is_null( self::$instance ) )
{
self::$instance = new self();
}
return self::$instance;
}
/**
* Main compiler code that compiles javascript files.
*
* @since 1.0
* @access public
* @param bool Determines if the compiler should also minify the javascript codes
* @return
*/
public function compile( $minify=false )
{
$compiler = new FD31_FoundryCompiler();
// Create a master manifest containing all the scripts
$manifest = new stdClass();
$manifest->adapter = 'Komento';
$manifest->script = array();
// Get a list of all the js files in the "scripts" folder
jimport('joomla.filesystem.folder');
// Get a list of scripts in the scripts folder
$files = JFolder::files( KOMENTO_SCRIPTS , '.js$', true, true );
// Normalize folder path
$path = str_ireplace('\\', '/', KOMENTO_SCRIPTS);
// Go through each of the manifest files.
foreach ($files as $file)
{
// Normalize file path
$file = str_ireplace('\\', '/', $file);
// Remove the absolute path from the file name
$file = str_ireplace($path . '/' , '', $file);
// Excludes the files with the following patterns:
// komento.static.js
// komento.static.min.js
// komento.optimized.js
// komento.optimized.min.js
// komento-x.x.x.static.js
// komento-x.x.x.static.min.js
// komento-x.x.x.optimized.js
// komento-x.x.x.optimized.min.js
// We use this pattern because we have komento.* scripts
if (preg_match('/komento.*(static|optimized).*\.js/', $file)) continue;
// Remove the .js extension from the file name.
$file = str_ireplace('.js', '', $file);
// Add to the master manifest
$manifest->script[] = $file;
}
// Write the manifest to a file
$file = KOMENTO_SCRIPTS . '/manifest.json';
$contents = json_encode( $manifest );
$contents = str_ireplace( '\\', '', $contents );
$state = JFile::write( $file , $contents );
// Set compiler options
$options = array(
"static" => KOMENTO_SCRIPTS . '/komento-' . $this->version . '.static',
"optimized" => KOMENTO_SCRIPTS . '/komento-' . $this->version . '.optimized',
"resources" => KOMENTO_MEDIA . '/resources/default-' . $this->version,
"minify" => $minify
);
$compiler->exclude = array(
"ui/draggable",
"ui/sortable",
"ui/droppable",
"ui/datepicker",
"ui/timepicker",
"flot",
"sparkline",
"plupload",
"redactor",
"moment"
);
// Compiler scripts
return $compiler->compile($file, $options);
}
public function getResources()
{
static $resource;
if (!empty($resource))
{
return $resource;
}
// Get manifest
$manifest = $this->getResourcesManifest();
// No manifest file found, use default js file.
if (!$manifest)
{
return $this->getDefaultResources();
}
// Get current resource settings
$settings = $this->getResourcesSettings();
// Determine path based on the settings id
$id = $settings["id"];
$path = KOMENTO_RESOURCES . '/' . $id;
$uri = KOMENTO_RESOURCES_URI . '/' . $id;
// Create resource object
$resource = array(
"id" => $id,
"path" => $path . '.js',
"uri" => $uri . '.js',
"settings" => $settings
);
// Flag that determines if we can use this resource file
$failed = false;
// If the file hasn't been created
$scriptFile = $path . '.js';
if (!JFile::exists($scriptFile))
{
// Compile the script file on-the-fly.
if ($this->compileResources($scriptFile))
{
// Also save the settings into a json file
$settingsFile = $path . '.settings.json';
$jsonData = Komento::getHelper('json')->encode($settings);
JFile::write( $settingsFile, $jsonData );
// If unable to compile script
}
else
{
// Set flag to failed
$failed = true;
}
}
// If failed to compile resources
if ($failed) {
// Use default resource
return $this->getDefaultResources();
}
return $resource;
}
public function getDefaultResources()
{
$file = '/default-' . $this->version . '.js';
return array(
"id" => "default",
"path" => KOMENTO_RESOURCES . $file,
"uri" => KOMENTO_RESOURCES_URI . $file,
// TODO: Load from "default.settings.json"
"settings" => null
);
}
public function getResourcesManifest()
{
static $manifest;
if (!empty($manifest))
{
return $manifest;
}
$file = $this->resourceManifestFile;
$manifest = false;
$exists = JFile::exists( $file );
if( !$exists )
{
return $manifest;
}
$data = JFile::read($file);
$manifest = Komento::getHelper('json')->decode($data);
return $manifest;
}
public function getResourcesSettings()
{
$config = Komento::getConfig();
// Build a deterministic cache
$settings = array(
"language" => JFactory::getLanguage()->getTag(),
"template" => array(
"site" => $config->get( 'layout_theme' )
),
"view" => array(),
"modified" => filemtime($this->resourceManifestFile)
);
// Get manifest
$manifest = $this->getResourcesManifest();
if(isset($manifest[0]->view) && $manifest[0]->view)
{
foreach ($manifest[0]->view as $view)
{
$theme = Komento::getTheme();
$path = $theme->resolve( $view . '.ejs' );
// If the file still does not exist, we'll skip this
if (!JFile::exists($path))
{
continue;
}
$settings["view"][] = array(
"path" => str_ireplace(JPATH_ROOT, '', $path),
"modified" => filemtime($path)
);
}
}
// Build hash
$settings["id"] = md5(serialize($settings));
return $settings;
}
public function compileResources($file)
{
require_once( KOMENTO_FOUNDRY . '/joomla/compiler.php');
$compiler = new FD31_FoundryCompiler();
$manifest = $this->getResourcesManifest();
$deps = $compiler->getDependencies($manifest);
$contents = $compiler->build('resources', $deps);
$state = JFile::write($file, $contents);
return $state;
}
public function purgeResources()
{
$files = JFolder::files( KOMENTO_RESOURCES , '.' , true, true);
foreach( $files as $file )
{
if (strpos($file, 'default') !== false)
{
continue;
}
$state = JFile::delete( $file );
}
}
}