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<?php |
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/** |
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* Base class for extending Stencil Implementations |
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* |
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* Author: Jip Moors ([email protected]) |
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* Date: 4 juli 2015 |
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* |
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* @package Stencil |
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*/ |
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/** |
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* Class Implementation |
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*/ |
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abstract class Stencil_Implementation implements Stencil_Interface, Stencil_Implementation_Interface { |
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/** |
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* The selected template engine |
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* |
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* @var $engine |
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*/ |
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protected $engine; |
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/** |
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* Path to save caching files |
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* |
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* @var string |
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*/ |
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protected $cache_path; |
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/** |
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* Path to save compiled template files |
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* |
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* @var string |
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*/ |
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protected $compile_path; |
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/** |
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* Path to look for templates/views |
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* |
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* @var array |
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*/ |
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protected $template_path; |
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/** |
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* Template file extension to check is_file against |
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* This is needed to determine what template should be loaded |
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* according to the WordPress hierarchy |
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* |
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* @var string |
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*/ |
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protected $template_extension = 'tpl'; |
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/** |
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* Sets defaults like cache, compile and template directory paths. |
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* |
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* @throws Exception When cache path cannot be used. |
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*/ |
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public function __construct() { |
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$upload_dir = wp_upload_dir(); |
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$current_theme = wp_get_theme(); |
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$theme_slug = $current_theme->get_stylesheet(); |
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/** |
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* Make the upload folder the root for changing files, this is the place |
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* that is most likely writable. |
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* |
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* Keeping the theme name as container prevents accidental problems with |
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* caching or compiling files when switching themes. |
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*/ |
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$root = $upload_dir['basedir'] . DIRECTORY_SEPARATOR . $theme_slug; |
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$this->cache_path = implode( DIRECTORY_SEPARATOR, array( $root, 'cache', '' ) ); |
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$this->compile_path = implode( DIRECTORY_SEPARATOR, array( $root, 'compiled', '' ) ); |
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/** |
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* Filter: views directory |
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*/ |
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$views_path = Stencil_Environment::filter( 'path-views', 'views' ); |
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/** |
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* Get all directories (root + optional child theme) |
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*/ |
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$this->template_path = Stencil_File_System::get_potential_directories( $views_path ); |
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/** |
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* Attempt to make the directories |
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*/ |
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if ( ! wp_mkdir_p( $this->cache_path ) ) { |
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throw new Exception( 'Cache path could not be created.' ); |
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} |
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if ( ! wp_mkdir_p( $this->compile_path ) ) { |
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throw new Exception( 'Compile path could not be created.' ); |
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} |
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} |
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/** |
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* Called when the implementation is ready |
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*/ |
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protected function ready() { |
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Stencil_Environment::trigger( 'engine_ready', $this ); |
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} |
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/** |
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* Fetch the engine so interaction is possible |
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* |
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* @return mixed |
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*/ |
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public function get_engine() { |
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return $this->engine; |
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} |
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/** |
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* Get the template path |
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* |
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* @return string|array |
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*/ |
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public function get_template_path() { |
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return $this->template_path; |
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} |
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/** |
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* Get the file extension of the templates |
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* |
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* @return string |
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*/ |
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public function get_template_extension() { |
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return $this->template_extension; |
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} |
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/** |
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* Displays a chosen template |
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* |
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* Uses fetch to fetch the output |
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* |
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* @param string $template Template file to use. |
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*/ |
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public function display( $template ) { |
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echo $this->fetch( $template ); |
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} |
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} |
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moorscode /
stencil
