mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
4b3fa8f479
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@112350 467b73ca-7a2a-4603-9d3b-597d59a354a9
932 lines
36 KiB
PHP
Executable File
932 lines
36 KiB
PHP
Executable File
<?php
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/**
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* The SSViewer executes a .ss template file.
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* The SSViewer class handles rendering of .ss templates. In addition to a full template in
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* the views folder, a template in views/Content or views/Layout will be rendered into $Content and
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* $Layout, respectively.
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*
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* <b>Caching</b>
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*
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* Compiled templates are cached. If you put ?flush=1 on your URL, it will force the template to be recompiled. This
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* is a hack; the system should really detect when a page needs re-fetching.
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*
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* <b>Manifest File and Structure</b>
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*
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* Works with the global $_TEMPLATE_MANIFEST which is compiled by {@link ManifestBuilder->getTemplateManifest()}.
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* This associative array lists all template filepaths by "identifier", meaning the name
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* of the template without its path or extension.
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*
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* Example:
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* <code>
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* array(
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* 'LeftAndMain' =>
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* array (
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* 'main' => '/my/system/path/cms/templates/LeftAndMain.ss',
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* ),
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* 'CMSMain_left' =>
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* array (
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* 'Includes' => '/my/system/path/cms/templates/Includes/CMSMain_left.ss',
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* ),
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* 'Page' =>
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* array (
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* 'themes' =>
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* array (
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* 'blackcandy' =>
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* array (
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* 'Layout' => '/my/system/path/themes/blackcandy/templates/Layout/Page.ss',
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* 'main' => '/my/system/path/themes/blackcandy/templates/Page.ss',
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* ),
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* 'blue' =>
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* array (
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* 'Layout' => '/my/system/path/themes/mysite/templates/Layout/Page.ss',
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* 'main' => '/my/system/path/themes/mysite/templates/Page.ss',
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* ),
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* ),
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* ),
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* // ...
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* )
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* </code>
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*
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* @see http://doc.silverstripe.org/themes
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* @see http://doc.silverstripe.org/themes:developing
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*
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* @package sapphire
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* @subpackage view
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*/
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class SSViewer {
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/**
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* @var boolean $source_file_comments
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*/
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protected static $source_file_comments = false;
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/**
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* Set whether HTML comments indicating the source .SS file used to render this page should be
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* included in the output. This is enabled by default
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*
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* @param boolean $val
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*/
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static function set_source_file_comments($val) {
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self::$source_file_comments = $val;
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}
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/**
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* @return boolean
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*/
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static function get_source_file_comments() {
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return self::$source_file_comments;
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}
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/**
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* @var array $chosenTemplates Associative array for the different
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* template containers: "main" and "Layout".
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*/
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private $chosenTemplates = array();
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/**
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* @var boolean
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*/
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protected $rewriteHashlinks = true;
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/**
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* @var string
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*/
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protected static $current_theme = null;
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/**
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* @var string
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*/
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protected static $current_custom_theme = null;
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/**
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* Create a template from a string instead of a .ss file
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*
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* @return SSViewer
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*/
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static function fromString($content) {
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return new SSViewer_FromString($content);
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}
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/**
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* @param string $theme The "base theme" name (without underscores).
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*/
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static function set_theme($theme) {
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self::$current_theme = $theme;
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//Static publishing needs to have a theme set, otherwise it defaults to the content controller theme
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if(!is_null($theme))
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self::$current_custom_theme=$theme;
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}
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/**
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* @return string
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*/
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static function current_theme() {
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return self::$current_theme;
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}
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/**
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* @return string
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*/
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static function current_custom_theme(){
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return self::$current_custom_theme;
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}
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/**
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* Pass the SilverStripe template to be used.
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*
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* @param string|array $templateList
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* If passed as a string with .ss extension, used as the "main" template
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*/
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public function __construct($templateList) {
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global $_TEMPLATE_MANIFEST;
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// flush template manifest cache if requested
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if (isset($_GET['flush']) && $_GET['flush'] == 'all') {
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if(Director::isDev() || Director::is_cli() || Permission::check('ADMIN')) {
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self::flush_template_cache();
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} else {
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return Security::permissionFailure(null, 'Please log in as an administrator to flush the template cache.');
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}
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}
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if(substr((string) $templateList,-3) == '.ss') {
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$this->chosenTemplates['main'] = $templateList;
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} else {
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if(!is_array($templateList)) $templateList = array($templateList);
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if(isset($_GET['debug_request'])) Debug::message("Selecting templates from the following list: " . implode(", ", $templateList));
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foreach($templateList as $template) {
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// if passed as a partial directory (e.g. "Layout/Page"), split into folder and template components
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if(strpos($template,'/') !== false) list($templateFolder, $template) = explode('/', $template, 2);
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else $templateFolder = null;
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// Use the theme template if available
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if(self::current_theme() && isset($_TEMPLATE_MANIFEST[$template]['themes'][self::current_theme()])) {
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$this->chosenTemplates = array_merge(
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$_TEMPLATE_MANIFEST[$template]['themes'][self::current_theme()],
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$this->chosenTemplates
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);
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if(isset($_GET['debug_request'])) Debug::message("Found template '$template' from main theme '" . self::current_theme() . "': " . var_export($_TEMPLATE_MANIFEST[$template]['themes'][self::current_theme()], true));
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}
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// Fall back to unthemed base templates
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if(isset($_TEMPLATE_MANIFEST[$template]) && (array_keys($_TEMPLATE_MANIFEST[$template]) != array('themes'))) {
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$this->chosenTemplates = array_merge(
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$_TEMPLATE_MANIFEST[$template],
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$this->chosenTemplates
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);
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if(isset($_GET['debug_request'])) Debug::message("Found template '$template' from main template archive, containing the following items: " . var_export($_TEMPLATE_MANIFEST[$template], true));
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unset($this->chosenTemplates['themes']);
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}
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if($templateFolder) {
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$this->chosenTemplates['main'] = $this->chosenTemplates[$templateFolder];
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unset($this->chosenTemplates[$templateFolder]);
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}
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}
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if(isset($_GET['debug_request'])) Debug::message("Final template selections made: " . var_export($this->chosenTemplates, true));
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}
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if(!$this->chosenTemplates) user_error("None of these templates can be found in theme '"
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. self::current_theme() . "': ". implode(".ss, ", $templateList) . ".ss", E_USER_WARNING);
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}
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/**
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* Returns true if at least one of the listed templates exists
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*/
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static function hasTemplate($templateList) {
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if(!is_array($templateList)) $templateList = array($templateList);
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global $_TEMPLATE_MANIFEST;
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foreach($templateList as $template) {
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if(strpos($template,'/') !== false) list($templateFolder, $template) = explode('/', $template, 2);
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if(isset($_TEMPLATE_MANIFEST[$template])) return true;
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}
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return false;
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}
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/**
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* Set a global rendering option.
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* The following options are available:
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* - rewriteHashlinks: If true (the default), <a href="#..."> will be rewritten to contain the
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* current URL. This lets it play nicely with our <base> tag.
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* - If rewriteHashlinks = 'php' then, a piece of PHP script will be inserted before the hash
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* links: "<?php echo $_SERVER['REQUEST_URI']; ?>". This is useful if you're generating a
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* page that will be saved to a .php file and may be accessed from different URLs.
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*/
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public static function setOption($optionName, $optionVal) {
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SSViewer::$options[$optionName] = $optionVal;
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}
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protected static $options = array(
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'rewriteHashlinks' => true,
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);
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protected static $topLevel = array();
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public static function topLevel() {
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if(SSViewer::$topLevel) {
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return SSViewer::$topLevel[sizeof(SSViewer::$topLevel)-1];
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}
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}
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/**
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* Call this to disable rewriting of <a href="#xxx"> links. This is useful in Ajax applications.
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* It returns the SSViewer objects, so that you can call new SSViewer("X")->dontRewriteHashlinks()->process();
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*/
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public function dontRewriteHashlinks() {
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$this->rewriteHashlinks = false;
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self::$options['rewriteHashlinks'] = false;
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return $this;
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}
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public function exists() {
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return $this->chosenTemplates;
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}
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/**
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* Searches for a template name in the current theme:
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* - themes/mytheme/templates
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* - themes/mytheme/templates/Includes
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* Falls back to unthemed template files.
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*
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* Caution: Doesn't search in any /Layout folders.
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*
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* @param string $identifier A template name without '.ss' extension or path.
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* @return string Full system path to a template file
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*/
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public static function getTemplateFile($identifier) {
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global $_TEMPLATE_MANIFEST;
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$includeTemplateFile = self::getTemplateFileByType($identifier, 'Includes');
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if($includeTemplateFile) return $includeTemplateFile;
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$mainTemplateFile = self::getTemplateFileByType($identifier, 'main');
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if($mainTemplateFile) return $mainTemplateFile;
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return false;
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}
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/**
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* @param string $identifier A template name without '.ss' extension or path
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* @param string $type The template type, either "main", "Includes" or "Layout"
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* @return string Full system path to a template file
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*/
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public static function getTemplateFileByType($identifier, $type) {
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global $_TEMPLATE_MANIFEST;
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if(self::current_theme() && isset($_TEMPLATE_MANIFEST[$identifier]['themes'][self::current_theme()][$type])) {
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return $_TEMPLATE_MANIFEST[$identifier]['themes'][self::current_theme()][$type];
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} else if(isset($_TEMPLATE_MANIFEST[$identifier][$type])){
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return $_TEMPLATE_MANIFEST[$identifier][$type];
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} else {
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return false;
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}
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}
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/**
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* Used by <% include Identifier %> statements to get the full
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* unparsed content of a template file.
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*
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* @uses getTemplateFile()
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* @param string $identifier A template name without '.ss' extension or path.
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* @return string content of template
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*/
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public static function getTemplateContent($identifier) {
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if(!SSViewer::getTemplateFile($identifier)) {
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return null;
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}
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$content = file_get_contents(SSViewer::getTemplateFile($identifier));
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// $content = "<!-- getTemplateContent() :: identifier: $identifier -->". $content;
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// Adds an i18n namespace to all <% _t(...) %> calls without an existing one
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// to avoid confusion when using the include in different contexts.
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// Entities without a namespace are deprecated, but widely used.
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$content = ereg_replace('<' . '% +_t\((\'([^\.\']*)\'|"([^\."]*)")(([^)]|\)[^ ]|\) +[^% ])*)\) +%' . '>', '<?= _t(\''. $identifier . '.ss' . '.\\2\\3\'\\4) ?>', $content);
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// Remove UTF-8 byte order mark
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// This is only necessary if you don't have zend-multibyte enabled.
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if(substr($content, 0,3) == pack("CCC", 0xef, 0xbb, 0xbf)) {
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$content = substr($content, 3);
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}
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return $content;
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}
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/**
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* @ignore
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*/
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static private $flushed = false;
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/**
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* Clears all parsed template files in the cache folder.
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*
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* Can only be called once per request (there may be multiple SSViewer instances).
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*/
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static function flush_template_cache() {
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if (!self::$flushed) {
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$dir = dir(TEMP_FOLDER);
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while (false !== ($file = $dir->read())) {
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if (strstr($file, '.cache')) { unlink(TEMP_FOLDER.'/'.$file); }
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}
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self::$flushed = true;
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}
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}
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/**
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* The process() method handles the "meat" of the template processing.
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*/
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public function process($item, $cache = null) {
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SSViewer::$topLevel[] = $item;
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if (!$cache) $cache = SS_Cache::factory('cacheblock');
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if(isset($this->chosenTemplates['main'])) {
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$template = $this->chosenTemplates['main'];
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} else {
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$template = $this->chosenTemplates[ reset($dummy = array_keys($this->chosenTemplates)) ];
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}
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if(isset($_GET['debug_profile'])) Profiler::mark("SSViewer::process", " for $template");
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$cacheFile = TEMP_FOLDER . "/.cache" . str_replace(array('\\','/',':'),'.',realpath($template));
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$lastEdited = filemtime($template);
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if(!file_exists($cacheFile) || filemtime($cacheFile) < $lastEdited || isset($_GET['flush'])) {
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if(isset($_GET['debug_profile'])) Profiler::mark("SSViewer::process - compile", " for $template");
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$content = file_get_contents($template);
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$content = SSViewer::parseTemplateContent($content, $template);
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$fh = fopen($cacheFile,'w');
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fwrite($fh, $content);
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fclose($fh);
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if(isset($_GET['debug_profile'])) Profiler::unmark("SSViewer::process - compile", " for $template");
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}
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if(isset($_GET['showtemplate']) && !Director::isLive()) {
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$lines = file($cacheFile);
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echo "<h2>Template: $cacheFile</h2>";
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echo "<pre>";
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foreach($lines as $num => $line) {
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echo str_pad($num+1,5) . htmlentities($line);
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}
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echo "</pre>";
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}
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foreach(array('Content', 'Layout') as $subtemplate) {
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if(isset($this->chosenTemplates[$subtemplate])) {
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$subtemplateViewer = new SSViewer($this->chosenTemplates[$subtemplate]);
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$item = $item->customise(array(
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$subtemplate => $subtemplateViewer->process($item, $cache)
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));
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}
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}
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$itemStack = array();
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$val = "";
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$valStack = array();
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include($cacheFile);
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$output = $val;
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$output = Requirements::includeInHTML($template, $output);
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array_pop(SSViewer::$topLevel);
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if(isset($_GET['debug_profile'])) Profiler::unmark("SSViewer::process", " for $template");
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// If we have our crazy base tag, then fix # links referencing the current page.
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if($this->rewriteHashlinks && self::$options['rewriteHashlinks']) {
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if(strpos($output, '<base') !== false) {
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if(SSViewer::$options['rewriteHashlinks'] === 'php') {
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$thisURLRelativeToBase = "<?php echo \$_SERVER['REQUEST_URI']; ?>";
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} else {
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$thisURLRelativeToBase = Director::makeRelative(Director::absoluteURL($_SERVER['REQUEST_URI']));
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}
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$output = preg_replace('/(<a[^>]+href *= *)"#/i', '\\1"' . $thisURLRelativeToBase . '#', $output);
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}
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}
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return $output;
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}
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/**
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* Execute the given template, passing it the given data.
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* Used by the <% include %> template tag to process templates.
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*/
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static function execute_template($template, $data) {
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$v = new SSViewer($template);
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return $v->process($data);
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}
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static function parseTemplateContent($content, $template="") {
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// Remove UTF-8 byte order mark:
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// This is only necessary if you don't have zend-multibyte enabled.
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if(substr($content, 0,3) == pack("CCC", 0xef, 0xbb, 0xbf)) {
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$content = substr($content, 3);
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}
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// Add template filename comments on dev sites
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if(Director::isDev() && self::$source_file_comments && $template && stripos($content, "<?xml") === false) {
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// If this template is a full HTML page, then put the comments just inside the HTML tag to prevent any IE glitches
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if(stripos($content, "<html") !== false) {
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$content = preg_replace('/(<html[^>]*>)/i', "\\1<!-- template $template -->", $content);
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$content = preg_replace('/(<\/html[^>]*>)/i', "\\1<!-- end template $template -->", $content);
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} else {
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$content = "<!-- template $template -->\n" . $content . "\n<!-- end template $template -->";
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}
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}
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// $val, $val.property, $val(param), etc.
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$replacements = array(
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'/<%--.*--%>/U' => '',
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'/\$Iteration/' => '<?= {dlr}key ?>',
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'/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)}/' => '<?= {dlr}item->obj("\\1",array("\\2","\\3"),true)->obj("\\4",null,true)->XML_val("\\5",null,true) ?>',
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'/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)\\.([A-Za-z0-9_]+)}/' => '<?= {dlr}item->obj("\\1",array("\\2","\\3"),true)->XML_val("\\4",null,true) ?>',
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'/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)}/' => '<?= {dlr}item->XML_val("\\1",array("\\2","\\3"),true) ?>',
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'/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)}/' => '<?= {dlr}item->obj("\\1",array("\\2"),true)->obj("\\3",null,true)->XML_val("\\4",null,true) ?>',
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'/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)\\.([A-Za-z0-9_]+)}/' => '<?= {dlr}item->obj("\\1",array("\\2"),true)->XML_val("\\3",null,true) ?>',
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'/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)}/' => '<?= {dlr}item->XML_val("\\1",array("\\2"),true) ?>',
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'/{\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)}/' => '<?= {dlr}item->obj("\\1",null,true)->obj("\\2",null,true)->XML_val("\\3",null,true) ?>',
|
|
'/{\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)}/' => '<?= {dlr}item->obj("\\1",null,true)->XML_val("\\2",null,true) ?>',
|
|
'/{\\$([A-Za-z_][A-Za-z0-9_]*)}/' => '<?= {dlr}item->XML_val("\\1",null,true) ?>\\2',
|
|
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)\\(([^),]+)\\)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->obj("\\1")->XML_val("\\2",array("\\3"),true) ?>\\4',
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)\\(([^),]+), *([^),]+)\\)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->obj("\\1")->XML_val("\\2",array("\\3", "\\4"),true) ?>\\5',
|
|
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->obj("\\1",array("\\2","\\3"),true)->obj("\\4",null,true)->XML_val("\\5",null,true) ?>\\6',
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->obj("\\1",array("\\2","\\3"),true)->XML_val("\\4",null,true) ?>\\5',
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->XML_val("\\1",array("\\2","\\3"),true) ?>\\4',
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->obj("\\1",array("\\2"),true)->obj("\\3",null,true)->XML_val("\\4",null,true) ?>\\5',
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->obj("\\1",array("\\2"),true)->XML_val("\\3",null,true) ?>\\4',
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->XML_val("\\1",array("\\2"),true) ?>\\3',
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->obj("\\1",null,true)->obj("\\2",null,true)->XML_val("\\3",null,true) ?>\\4',
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->obj("\\1",null,true)->XML_val("\\2",null,true) ?>\\3',
|
|
'/\\$([A-Za-z_][A-Za-z0-9_]*)([^A-Za-z0-9]|$)/' => '<?= {dlr}item->XML_val("\\1",null,true) ?>\\2',
|
|
);
|
|
|
|
$content = preg_replace(array_keys($replacements), array_values($replacements), $content);
|
|
$content = str_replace('{dlr}','$',$content);
|
|
|
|
// Cache block
|
|
$content = SSViewer_PartialParser::process($template, $content);
|
|
|
|
// legacy
|
|
$content = ereg_replace('<!-- +pc +([A-Za-z0-9_(),]+) +-->', '<' . '% control \\1 %' . '>', $content);
|
|
$content = ereg_replace('<!-- +pc_end +-->', '<' . '% end_control %' . '>', $content);
|
|
|
|
// < % control Foo % >
|
|
$content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+) +%' . '>', '<? array_push($itemStack, $item); if($loop = $item->obj("\\1")) foreach($loop as $key => $item) { ?>', $content);
|
|
// < % control Foo.Bar % >
|
|
$content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', '<? array_push($itemStack, $item); if(($loop = $item->obj("\\1")) && ($loop = $loop->obj("\\2"))) foreach($loop as $key => $item) { ?>', $content);
|
|
// < % control Foo.Bar(Baz) % >
|
|
$content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)\\(([^),]+)\\) +%' . '>', '<? array_push($itemStack, $item); if(($loop = $item->obj("\\1")) && ($loop = $loop->obj("\\2", array("\\3")))) foreach($loop as $key => $item) { ?>', $content);
|
|
// < % control Foo(Bar) % >
|
|
$content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+)\\(([^),]+)\\) +%' . '>', '<? array_push($itemStack, $item); if($loop = $item->obj("\\1", array("\\2"))) foreach($loop as $key => $item) { ?>', $content);
|
|
// < % control Foo(Bar, Baz) % >
|
|
$content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+)\\(([^),]+), *([^),]+)\\) +%' . '>', '<? array_push($itemStack, $item); if($loop = $item->obj("\\1", array("\\2","\\3"))) foreach($loop as $key => $item) { ?>', $content);
|
|
// < % control Foo(Bar, Baz, Buz) % >
|
|
$content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+)\\(([^),]+), *([^),]+), *([^),]+)\\) +%' . '>', '<? array_push($itemStack, $item); if($loop = $item->obj("\\1", array("\\2", "\\3", "\\4"))) foreach($loop as $key => $item) { ?>', $content);
|
|
$content = ereg_replace('<' . '% +end_control +%' . '>', '<? } $item = array_pop($itemStack); ?>', $content);
|
|
$content = ereg_replace('<' . '% +debug +%' . '>', '<? Debug::show($item) ?>', $content);
|
|
$content = ereg_replace('<' . '% +debug +([A-Za-z0-9_]+) +%' . '>', '<? Debug::show($item->cachedCall("\\1")) ?>', $content);
|
|
|
|
// < % if val1.property % >
|
|
$content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', '<? if($item->obj("\\1",null,true)->hasValue("\\2")) { ?>', $content);
|
|
|
|
// < % if val1(parameter) % >
|
|
$content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+)\\(([A-Za-z0-9_-]+)\\) +%' . '>', '<? if($item->hasValue("\\1",array("\\2"))) { ?>', $content);
|
|
|
|
// < % if val1 % >
|
|
$content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+) +%' . '>', '<? if($item->hasValue("\\1")) { ?>', $content);
|
|
$content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) +%' . '>', '<? } else if($item->hasValue("\\1")) { ?>', $content);
|
|
|
|
// < % if val1 || val2 % >
|
|
$content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+) *\\|\\|? *([A-Za-z0-9_]+) +%' . '>', '<? if($item->hasValue("\\1") || $item->hasValue("\\2")) { ?>', $content);
|
|
$content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) *\\|\\|? *([A-Za-z0-9_]+) +%' . '>', '<? else_if($item->hasValue("\\1") || $item->hasValue("\\2")) { ?>', $content);
|
|
|
|
// < % if val1 && val2 % >
|
|
$content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+) *&&? *([A-Za-z0-9_]+) +%' . '>', '<? if($item->hasValue("\\1") && $item->hasValue("\\2")) { ?>', $content);
|
|
$content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) *&&? *([A-Za-z0-9_]+) +%' . '>', '<? else_if($item->hasValue("\\1") && $item->hasValue("\\2")) { ?>', $content);
|
|
|
|
// < % if val1 == val2 % >
|
|
$content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+) *==? *"?([A-Za-z0-9_-]+)"? +%' . '>', '<? if($item->XML_val("\\1",null,true) == "\\2") { ?>', $content);
|
|
$content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) *==? *"?([A-Za-z0-9_-]+)"? +%' . '>', '<? } else if($item->XML_val("\\1",null,true) == "\\2") { ?>', $content);
|
|
|
|
// < % if val1 != val2 % >
|
|
$content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+) *!= *"?([A-Za-z0-9_-]+)"? +%' . '>', '<? if($item->XML_val("\\1",null,true) != "\\2") { ?>', $content);
|
|
$content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) *!= *"?([A-Za-z0-9_-]+)"? +%' . '>', '<? } else if($item->XML_val("\\1",null,true) != "\\2") { ?>', $content);
|
|
|
|
$content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) +%' . '>', '<? } else if(($test = $item->cachedCall("\\1")) && ((!is_object($test) && $test) || ($test && $test->exists()) )) { ?>', $content);
|
|
|
|
$content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', '<? $test = $item->obj("\\1",null,true)->cachedCall("\\2"); if((!is_object($test) && $test) || ($test && $test->exists())) { ?>', $content);
|
|
$content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', '<? } else if(($test = $item->obj("\\1",null,true)->cachedCall("\\2")) && ((!is_object($test) && $test) || ($test && $test->exists()) )) { ?>', $content);
|
|
|
|
$content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', '<? $test = $item->obj("\\1",null,true)->obj("\\2",null,true)->cachedCall("\\3"); if((!is_object($test) && $test) || ($test && $test->exists())) { ?>', $content);
|
|
$content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', '<? } else if(($test = $item->obj("\\1",null,true)->obj("\\2",null,true)->cachedCall("\\3")) && ((!is_object($test) && $test) || ($test && $test->exists()) )) { ?>', $content);
|
|
|
|
$content = ereg_replace('<' . '% +else +%' . '>', '<? } else { ?>', $content);
|
|
$content = ereg_replace('<' . '% +end_if +%' . '>', '<? } ?>', $content);
|
|
|
|
// i18n - get filename of currently parsed template
|
|
// CAUTION: No spaces allowed between arguments for all i18n calls!
|
|
ereg('.*[\/](.*)',$template,$path);
|
|
|
|
// i18n _t(...) - with entity only (no dots in namespace),
|
|
// meaning the current template filename will be added as a namespace.
|
|
// This applies only to "root" templates, not includes which should always have their namespace set already.
|
|
// See getTemplateContent() for more information.
|
|
$content = ereg_replace('<' . '% +_t\((\'([^\.\']*)\'|"([^\."]*)")(([^)]|\)[^ ]|\) +[^% ])*)\) +%' . '>', '<?= _t(\''. $path[1] . '.\\2\\3\'\\4) ?>', $content);
|
|
// i18n _t(...)
|
|
$content = ereg_replace('<' . '% +_t\((\'([^\']*)\'|"([^"]*)")(([^)]|\)[^ ]|\) +[^% ])*)\) +%' . '>', '<?= _t(\'\\2\\3\'\\4) ?>', $content);
|
|
|
|
// i18n sprintf(_t(...),$argument) with entity only (no dots in namespace), meaning the current template filename will be added as a namespace
|
|
$content = ereg_replace('<' . '% +sprintf\(_t\((\'([^\.\']*)\'|"([^\."]*)")(([^)]|\)[^ ]|\) +[^% ])*)\),\<\?= +([^\?]*) +\?\>) +%' . '>', '<?= sprintf(_t(\''. $path[1] . '.\\2\\3\'\\4),\\6) ?>', $content);
|
|
// i18n sprintf(_t(...),$argument)
|
|
$content = ereg_replace('<' . '% +sprintf\(_t\((\'([^\']*)\'|"([^"]*)")(([^)]|\)[^ ]|\) +[^% ])*)\),\<\?= +([^\?]*) +\?\>) +%' . '>', '<?= sprintf(_t(\'\\2\\3\'\\4),\\6) ?>', $content);
|
|
|
|
// </base> isnt valid html? !?
|
|
$content = ereg_replace('<' . '% +base_tag +%' . '>', '<?= SSViewer::get_base_tag($val); ?>', $content);
|
|
|
|
$content = ereg_replace('<' . '% +current_page +%' . '>', '<?= $_SERVER[SCRIPT_URL] ?>', $content);
|
|
|
|
// change < % require x() % > calls to corresponding Requirement::x() ones, including 0, 1 or 2 options
|
|
$content = preg_replace('/<% +require +([a-zA-Z]+)(?:\(([^),]+)\))? +%>/', '<? Requirements::\\1("\\2"); ?>', $content);
|
|
$content = preg_replace('/<% +require +([a-zA-Z]+)\(([^),]+), *([^),]+)\) +%>/', '<? Requirements::\\1("\\2", "\\3"); ?>', $content);
|
|
|
|
|
|
// Add include filename comments on dev sites
|
|
if(Director::isDev() && self::$source_file_comments) $replacementCode = 'return "<!-- include " . SSViewer::getTemplateFile($matches[1]) . " -->\n"
|
|
. "<?= SSViewer::parse_template(\\"" . $matches[1] . "\", \$item); ?>"
|
|
. "\n<!-- end include " . SSViewer::getTemplateFile($matches[1]) . " -->";';
|
|
else $replacementCode = 'return "<?= SSViewer::execute_template(\\"" . $matches[1] . "\", \$item); ?>";';
|
|
|
|
$content = preg_replace_callback('/<' . '% include +([A-Za-z0-9_]+) +%' . '>/', create_function(
|
|
'$matches', $replacementCode
|
|
), $content);
|
|
|
|
// legacy
|
|
$content = ereg_replace('<!-- +if +([A-Za-z0-9_]+) +-->', '<? if($item->cachedCall("\\1")) { ?>', $content);
|
|
$content = ereg_replace('<!-- +else +-->', '<? } else { ?>', $content);
|
|
$content = ereg_replace('<!-- +if_end +-->', '<? } ?>', $content);
|
|
|
|
// Fix link stuff
|
|
$content = ereg_replace('href *= *"#', 'href="<?= SSViewer::$options[\'rewriteHashlinks\'] ? Convert::raw2att( $_SERVER[\'REQUEST_URI\'] ) : "" ?>#', $content);
|
|
|
|
// Protect xml header
|
|
$content = ereg_replace('<\?xml([^>]+)\?' . '>', '<##xml\\1##>', $content);
|
|
|
|
// Turn PHP file into string definition
|
|
$content = str_replace('<?=',"\nSSVIEWER;\n\$val .= ", $content);
|
|
$content = str_replace('<?',"\nSSVIEWER;\n", $content);
|
|
$content = str_replace('?>',";\n \$val .= <<<SSVIEWER\n", $content);
|
|
|
|
$output = "<?php\n";
|
|
$output .= '$val .= <<<SSVIEWER' . "\n" . $content . "\nSSVIEWER;\n";
|
|
|
|
// Protect xml header @sam why is this run twice ?
|
|
$output = ereg_replace('<##xml([^>]+)##>', '<' . '?xml\\1?' . '>', $output);
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Returns the filenames of the template that will be rendered. It is a map that may contain
|
|
* 'Content' & 'Layout', and will have to contain 'main'
|
|
*/
|
|
public function templates() {
|
|
return $this->chosenTemplates;
|
|
}
|
|
|
|
/**
|
|
* @param string $type "Layout" or "main"
|
|
* @param string $file Full system path to the template file
|
|
*/
|
|
public function setTemplateFile($type, $file) {
|
|
$this->chosenTemplates[$type] = $file;
|
|
}
|
|
|
|
/**
|
|
* Return an appropriate base tag for the given template.
|
|
* It will be closed on an XHTML document, and unclosed on an HTML document.
|
|
*
|
|
* @param $contentGeneratedSoFar The content of the template generated so far; it should contain
|
|
* the DOCTYPE declaration.
|
|
*/
|
|
static function get_base_tag($contentGeneratedSoFar) {
|
|
$base = Director::absoluteBaseURL();
|
|
|
|
// Is the document XHTML?
|
|
if(preg_match('/<!DOCTYPE[^>]+xhtml/i', $contentGeneratedSoFar)) {
|
|
return "<base href=\"$base\"></base>";
|
|
} else {
|
|
return "<base href=\"$base\"><!--[if lte IE 6]></base><![endif]-->";
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Special SSViewer that will process a template passed as a string, rather than a filename.
|
|
* @package sapphire
|
|
* @subpackage view
|
|
*/
|
|
class SSViewer_FromString extends SSViewer {
|
|
protected $content;
|
|
|
|
public function __construct($content) {
|
|
$this->content = $content;
|
|
}
|
|
|
|
public function process($item, $cache = null) {
|
|
$template = SSViewer::parseTemplateContent($this->content, "string sha1=".sha1($this->content));
|
|
|
|
$tmpFile = tempnam(TEMP_FOLDER,"");
|
|
$fh = fopen($tmpFile, 'w');
|
|
fwrite($fh, $template);
|
|
fclose($fh);
|
|
|
|
if(isset($_GET['showtemplate']) && $_GET['showtemplate']) {
|
|
$lines = file($tmpFile);
|
|
echo "<h2>Template: $tmpFile</h2>";
|
|
echo "<pre>";
|
|
foreach($lines as $num => $line) {
|
|
echo str_pad($num+1,5) . htmlentities($line);
|
|
}
|
|
echo "</pre>";
|
|
}
|
|
|
|
$itemStack = array();
|
|
$val = "";
|
|
$valStack = array();
|
|
|
|
$cache = SS_Cache::factory('cacheblock');
|
|
|
|
include($tmpFile);
|
|
unlink($tmpFile);
|
|
|
|
|
|
return $val;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handle the parsing for cacheblock tags.
|
|
*
|
|
* Needs to be handled differently from the other tags, because cacheblock can take any number of arguments
|
|
*
|
|
* This shouldn't be used as an example of how to add functionality to SSViewer - the eventual plan is to re-write
|
|
* SSViewer using a proper parser (probably http://github.com/hafriedlander/php-peg), so that extra functionality
|
|
* can be added without relying on ad-hoc parsers like this.
|
|
*
|
|
* @package sapphire
|
|
* @subpackage view
|
|
*/
|
|
class SSViewer_PartialParser {
|
|
|
|
static $tag = '/< % [ \t]+ (cached|cacheblock|uncached|end_cached|end_cacheblock|end_uncached) [ \t]+ ([^%]+ [ \t]+)? % >/xS';
|
|
|
|
static $argument_splitter = '/^\s*
|
|
# The argument itself
|
|
(
|
|
(?P<conditional> if | unless ) | # The if or unless keybreak
|
|
(?P<property> (?P<identifier> \w+) \s* # A property lookup or a function call
|
|
( \( (?P<arguments> [^\)]*) \) )?
|
|
) |
|
|
(?P<sqstring> \' (\\\'|[^\'])+ \' ) | # A string surrounded by \'
|
|
(?P<dqstring> " (\\"|[^"])+ " ) # A string surrounded by "
|
|
)
|
|
# Some seperator after the argument
|
|
(
|
|
\s*(?P<comma>,)\s* | # A comma (maybe with whitespace before or after)
|
|
(?P<fullstop>\.) # A period (no whitespace before)
|
|
)?
|
|
/xS';
|
|
|
|
static function process($template, $content) {
|
|
$parser = new SSViewer_PartialParser($template, $content, 0);
|
|
$parser->parse();
|
|
return $parser->generate();
|
|
}
|
|
|
|
function __construct($template, $content, $offset) {
|
|
$this->template = $template;
|
|
$this->content = $content;
|
|
$this->offset = $offset;
|
|
|
|
$this->blocks = array();
|
|
}
|
|
|
|
function controlcheck($text) {
|
|
// NOP - hook for Cached_PartialParser
|
|
}
|
|
|
|
function parse() {
|
|
$current_tag_offset = 0;
|
|
|
|
while (preg_match(self::$tag, $this->content, $matches, PREG_OFFSET_CAPTURE, $this->offset)) {
|
|
$tag = $matches[1][0];
|
|
|
|
$startpos = $matches[0][1];
|
|
$endpos = $matches[0][1] + strlen($matches[0][0]);
|
|
|
|
switch($tag) {
|
|
case 'cached':
|
|
case 'uncached':
|
|
case 'cacheblock':
|
|
|
|
$pretext = substr($this->content, $this->offset, $startpos - $this->offset);
|
|
$this->controlcheck($pretext);
|
|
$this->blocks[] = $pretext;
|
|
|
|
if ($tag == 'cached' || $tag == 'cacheblock') {
|
|
list($keyparts, $conditional, $condition) = $this->parseargs(@$matches[2][0]);
|
|
$parser = new SSViewer_Cached_PartialParser($this->template, $this->content, $endpos, $keyparts, $conditional, $condition);
|
|
}
|
|
else {
|
|
$parser = new SSViewer_PartialParser($this->template, $this->content, $endpos);
|
|
}
|
|
|
|
$parser->parse();
|
|
$this->blocks[] = $parser;
|
|
$this->offset = $parser->offset;
|
|
break;
|
|
|
|
case 'end_cached':
|
|
case 'end_cacheblock':
|
|
case 'end_uncached':
|
|
$this->blocks[] = substr($this->content, $this->offset, $startpos - $this->offset);
|
|
$this->content = null;
|
|
|
|
$this->offset = $endpos;
|
|
return $this;
|
|
}
|
|
}
|
|
|
|
$this->blocks[] = substr($this->content, $this->offset);
|
|
$this->content = null;
|
|
}
|
|
|
|
function parseargs($string) {
|
|
preg_match_all(self::$argument_splitter, $string, $matches, PREG_SET_ORDER);
|
|
|
|
$parts = array();
|
|
$conditional = null; $condition = null;
|
|
|
|
$current = '$item->';
|
|
|
|
while (strlen($string) && preg_match(self::$argument_splitter, $string, $match)) {
|
|
|
|
$string = substr($string, strlen($match[0]));
|
|
|
|
// If this is a conditional keyword, break, and the next loop will grab the conditional
|
|
if (@$match['conditional']) {
|
|
$conditional = $match['conditional'];
|
|
continue;
|
|
}
|
|
|
|
// If it's a property lookup or a function call
|
|
if (@$match['property']) {
|
|
// Get the property
|
|
$what = $match['identifier'];
|
|
$args = array();
|
|
|
|
// Extract any arguments passed to the function call
|
|
if (@$match['arguments']) {
|
|
foreach (explode(',', $match['arguments']) as $arg) {
|
|
$args[] = is_numeric($arg) ? (string)$arg : '"'.$arg.'"';
|
|
}
|
|
}
|
|
|
|
$args = empty($args) ? 'null' : 'array('.implode(',',$args).')';
|
|
|
|
// If this fragment ended with '.', then there's another lookup coming, so return an obj for that lookup
|
|
if (@$match['fullstop']) {
|
|
$current .= "obj('$what', $args, true)->";
|
|
}
|
|
// Otherwise this is the end of the lookup chain, so add the resultant value to the key array and reset the key-get php fragement
|
|
else {
|
|
$accessor = $current . "XML_val('$what', $args, true)"; $current = '$item->';
|
|
|
|
// If we've hit a conditional already, this is the condition. Set it and be done.
|
|
if ($conditional) {
|
|
$condition = $accessor;
|
|
break;
|
|
}
|
|
// Otherwise we're another key component. Add it to array.
|
|
else $parts[] = $accessor;
|
|
}
|
|
}
|
|
|
|
// Else it's a quoted string of some kind
|
|
else if (@$match['sqstring']) $parts[] = $match['sqstring'];
|
|
else if (@$match['dqstring']) $parts[] = $match['dqstring'];
|
|
}
|
|
|
|
if ($conditional && !$condition) {
|
|
throw new Exception("You need to have a condition after the conditional $conditional in your cache block");
|
|
}
|
|
|
|
return array($parts, $conditional, $condition);
|
|
}
|
|
|
|
function generate() {
|
|
$res = array();
|
|
|
|
foreach ($this->blocks as $i => $block) {
|
|
if ($block instanceof SSViewer_PartialParser)
|
|
$res[] = $block->generate();
|
|
else {
|
|
$res[] = $block;
|
|
}
|
|
}
|
|
|
|
return implode('', $res);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @package sapphire
|
|
* @subpackage view
|
|
*/
|
|
class SSViewer_Cached_PartialParser extends SSViewer_PartialParser {
|
|
|
|
function __construct($template, $content, $offset, $keyparts, $conditional, $condition) {
|
|
$this->keyparts = $keyparts;
|
|
$this->conditional = $conditional;
|
|
$this->condition = $condition;
|
|
|
|
parent::__construct($template, $content, $offset);
|
|
}
|
|
|
|
function controlcheck($text) {
|
|
$ifs = preg_match_all('/<'.'% +if +/', $text, $matches);
|
|
$end_ifs = preg_match_all('/<'.'% +end_if +/', $text, $matches);
|
|
|
|
if ($ifs != $end_ifs) throw new Exception('You can\'t have cached or uncached blocks within condition structures');
|
|
|
|
$controls = preg_match_all('/<'.'% +control +/', $text, $matches);
|
|
$end_controls = preg_match_all('/<'.'% +end_control +/', $text, $matches);
|
|
|
|
if ($controls != $end_controls) throw new Exception('You can\'t have cached or uncached blocks within control structures');
|
|
}
|
|
|
|
function key() {
|
|
if (empty($this->keyparts)) return "''";
|
|
return 'sha1(' . implode(".'_'.", $this->keyparts) . ')';
|
|
}
|
|
|
|
function generate() {
|
|
$res = array();
|
|
$key = $this->key();
|
|
|
|
$condition = "";
|
|
|
|
switch ($this->conditional) {
|
|
case 'if':
|
|
$condition = "{$this->condition} && ";
|
|
break;
|
|
case 'unless':
|
|
$condition = "!({$this->condition}) && ";
|
|
break;
|
|
}
|
|
|
|
/* Output this set of blocks */
|
|
|
|
foreach ($this->blocks as $i => $block) {
|
|
if ($block instanceof SSViewer_PartialParser)
|
|
$res[] = $block->generate();
|
|
else {
|
|
// Include the template name and this cache block's current contents as a sha hash, so we get auto-seperation
|
|
// of cache blocks, and invalidation of the cache when the template changes
|
|
$partialkey = "'".sha1($this->template . $block)."_'.$key.'_$i'";
|
|
|
|
// Try to load from cache
|
|
$res[] = "<?\n".'if ('.$condition.' ($partial = $cache->load('.$partialkey.'))) $val .= $partial;'."\n";
|
|
|
|
// Cache miss - regenerate
|
|
$res[] = "else {\n";
|
|
$res[] = '$oldval = $val; $val = "";'."\n";
|
|
$res[] = "\n?>" . $block . "<?\n";
|
|
$res[] = $condition . ' $cache->save($val); $val = $oldval . $val ;'."\n";
|
|
$res[] = "}\n?>";
|
|
}
|
|
}
|
|
|
|
return implode('', $res);
|
|
}
|
|
}
|
|
|
|
function supressOutput() {
|
|
return "";
|
|
}
|
|
|
|
?>
|