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sakura/_sakura/components/Templates.php

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<?php
/*
* Template Engine Wrapper
*/
namespace Sakura;
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use Twig_Environment;
use Twig_Extension_StringLoader;
use Twig_Loader_Filesystem;
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/**
* Class Templates
* @package Sakura
*/
class Templates
{
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// Engine container, template folder name and options
public static $engine;
public static $template;
public static $configuration;
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// Initialise templating engine and data
public static function init($template)
{
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// Set template folder name
self::$template = $template;
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// Assign config path to a variable so we don't have to type it out twice
$confPath = ROOT . '_sakura/templates/' . self::$template . '/template.ini';
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// Check if the configuration file exists
if (!file_exists($confPath)) {
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trigger_error('Template configuration does not exist', E_USER_ERROR);
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}
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// Parse and store the configuration
self::$configuration = parse_ini_file($confPath, true);
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// Make sure we're not using a manage template for the main site or the other way around
if (defined('SAKURA_MANAGE') && (bool) self::$configuration['manage']['mode'] != (bool) SAKURA_MANAGE) {
trigger_error('Incorrect template type', E_USER_ERROR);
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}
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// Start Twig
self::twigLoader();
}
// Twig Loader
private static function twigLoader()
{
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// Initialise Twig Filesystem Loader
$twigLoader = new Twig_Loader_Filesystem(ROOT . '_sakura/templates/' . self::$template);
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// Environment variable
$twigEnv = [];
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// Enable caching
if (Configuration::getConfig('enable_tpl_cache')) {
$twigEnv['cache'] = ROOT . 'cache';
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}
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// And now actually initialise the templating engine
self::$engine = new Twig_Environment($twigLoader, $twigEnv);
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// Load String template loader
self::$engine->addExtension(new Twig_Extension_StringLoader());
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}
// Render template
public static function render($file, $tags)
{
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try {
return self::$engine->render($file, $tags);
} catch (\Exception $e) {
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trigger_error($e->getMessage(), E_USER_ERROR);
}
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}
}