getTemplateManifest()}. * This associative array lists all template filepaths by "identifier", meaning the name * of the template without its path or extension. * * Example: * * array( * 'LeftAndMain' => * array ( * 'main' => '/my/system/path/cms/templates/LeftAndMain.ss', * ), * 'CMSMain_left' => * array ( * 'Includes' => '/my/system/path/cms/templates/Includes/CMSMain_left.ss', * ), * 'Page' => * array ( * 'themes' => * array ( * 'blackcandy' => * array ( * 'Layout' => '/my/system/path/themes/blackcandy/templates/Layout/Page.ss', * 'main' => '/my/system/path/themes/blackcandy/templates/Page.ss', * ), * 'blue' => * array ( * 'Layout' => '/my/system/path/themes/mysite/templates/Layout/Page.ss', * 'main' => '/my/system/path/themes/mysite/templates/Page.ss', * ), * ), * ), * // ... * ) * * * @todo Fix the broken caching. * @package sapphire * @subpackage view */ class SSViewer { /** * @var boolean $source_file_comments */ protected static $source_file_comments = false; /** * Set whether HTML comments indicating the source .SS file used to render this page should be * included in the output. This is enabled by default * * @param boolean $val */ static function set_source_file_comments($val) { self::$source_file_comments = $val; } /** * @return boolean */ static function get_source_file_comments() { return self::$source_file_comments; } /** * @var array $chosenTemplates Associative array for the different * template containers: "main" and "Layout". */ private $chosenTemplates = array(); /** * @var boolean */ protected $rewriteHashlinks = true; /** * @var string */ protected static $current_theme = null; /** * Create a template from a string instead of a .ss file * * @return SSViewer */ static function fromString($content) { return new SSViewer_FromString($content); } /** * @param string $theme */ static function set_theme($theme) { self::$current_theme = $theme; } /** * @return string */ static function current_theme() { return self::$current_theme; } /** * Pass the SilverStripe template to be used. * * @param string|array $templateList * If passed as a string with .ss extension, used as the "main" template */ public function __construct($templateList) { global $_TEMPLATE_MANIFEST; // flush template manifest cache if requested if (isset($_GET['flush']) && $_GET['flush'] == 'all') { if(Director::isDev() || Permission::check('ADMIN')) { self::flush_template_cache(); } else { return Security::permissionFailure(null, 'Please log in as an administrator to flush the template cache.'); } } if(substr((string) $templateList,-3) == '.ss') { $this->chosenTemplates['main'] = $templateList; } else { if(!is_array($templateList)) $templateList = array($templateList); if(isset($_GET['debug_request'])) Debug::message("Selecting templates from the following list: " . implode(", ", $templateList)); foreach($templateList as $template) { // if passed as a partial directory (e.g. "Layout/Page"), split into folder and template components if(strpos($template,'/') !== false) list($templateFolder, $template) = explode('/', $template, 2); else $templateFolder = null; // Use the theme template if available if(self::current_theme() && isset($_TEMPLATE_MANIFEST[$template]['themes'][self::current_theme()])) { $this->chosenTemplates = array_merge( $_TEMPLATE_MANIFEST[$template]['themes'][self::current_theme()], $this->chosenTemplates ); if(isset($_GET['debug_request'])) Debug::message("Found template '$template' from main theme '" . self::current_theme() . "': " . var_export($_TEMPLATE_MANIFEST[$template]['themes'][self::current_theme()], true)); } // Fall back to unthemed base templates if(isset($_TEMPLATE_MANIFEST[$template]) && (array_keys($_TEMPLATE_MANIFEST[$template]) != array('themes'))) { $this->chosenTemplates = array_merge( $_TEMPLATE_MANIFEST[$template], $this->chosenTemplates ); if(isset($_GET['debug_request'])) Debug::message("Found template '$template' from main template archive, containing the following items: " . var_export($_TEMPLATE_MANIFEST[$template], true)); unset($this->chosenTemplates['themes']); } if($templateFolder) { $this->chosenTemplates['main'] = $this->chosenTemplates[$templateFolder]; unset($this->chosenTemplates[$templateFolder]); } } if(isset($_GET['debug_request'])) Debug::message("Final template selections made: " . var_export($this->chosenTemplates, true)); } if(!$this->chosenTemplates) user_error("None of these templates can be found in theme '" . self::current_theme() . "': ". implode(".ss, ", $templateList) . ".ss", E_USER_WARNING); } /** * Returns true if at least one of the listed templates exists */ static function hasTemplate($templateList) { if(!is_array($templateList)) $templateList = array($templateList); global $_TEMPLATE_MANIFEST; foreach($templateList as $template) { if(strpos($template,'/') !== false) list($templateFolder, $template) = explode('/', $template, 2); if(isset($_TEMPLATE_MANIFEST[$template])) return true; } return false; } /** * Set a global rendering option. * The following options are available: * - rewriteHashlinks: If true (the default), will be rewritten to contain the * current URL. This lets it play nicely with our tag. * - If rewriteHashlinks = 'php' then, a piece of PHP script will be inserted before the hash * links: "". This is useful if you're generating a * page that will be saved to a .php file and may be accessed from different URLs. */ public static function setOption($optionName, $optionVal) { SSViewer::$options[$optionName] = $optionVal; } protected static $options = array( 'rewriteHashlinks' => true, ); protected static $topLevel = array(); public static function topLevel() { if(SSViewer::$topLevel) { return SSViewer::$topLevel[sizeof(SSViewer::$topLevel)-1]; } } /** * Call this to disable rewriting of links. This is useful in Ajax applications. * It returns the SSViewer objects, so that you can call new SSViewer("X")->dontRewriteHashlinks()->process(); */ public function dontRewriteHashlinks() { $this->rewriteHashlinks = false; self::$options['rewriteHashlinks'] = false; return $this; } public function exists() { return $this->chosenTemplates; } /** * Searches for a template name in the current theme: * - themes/mytheme/templates * - themes/mytheme/templates/Includes * Falls back to unthemed template files. * * Caution: Doesn't search in any /Layout folders. * * @param string $identifier A template name without '.ss' extension or path. * @return string Full system path to a template file */ public static function getTemplateFile($identifier) { global $_TEMPLATE_MANIFEST; $includeTemplateFile = self::getTemplateFileByType($identifier, 'Includes'); if($includeTemplateFile) return $includeTemplateFile; $mainTemplateFile = self::getTemplateFileByType($identifier, 'main'); if($mainTemplateFile) return $mainTemplateFile; return false; } /** * @param string $identifier A template name without '.ss' extension or path * @param string $type The template type, either "main", "Includes" or "Layout" * @return string Full system path to a template file */ public static function getTemplateFileByType($identifier, $type) { global $_TEMPLATE_MANIFEST; if(self::current_theme() && isset($_TEMPLATE_MANIFEST[$identifier]['themes'][self::current_theme()][$type])) { return $_TEMPLATE_MANIFEST[$identifier]['themes'][self::current_theme()][$type]; } else if(isset($_TEMPLATE_MANIFEST[$identifier][$type])){ return $_TEMPLATE_MANIFEST[$identifier][$type]; } else { return false; } } /** * Used by <% include Identifier %> statements to get the full * unparsed content of a template file. * * @uses getTemplateFile() * @param string $identifier A template name without '.ss' extension or path. * @return string content of template */ public static function getTemplateContent($identifier) { if(!SSViewer::getTemplateFile($identifier)) { return null; } $content = file_get_contents(SSViewer::getTemplateFile($identifier)); // $content = "". $content; // Adds an i18n namespace to all <% _t(...) %> calls without an existing one // to avoid confusion when using the include in different contexts. // Entities without a namespace are deprecated, but widely used. $content = ereg_replace('<' . '% +_t\((\'([^\.\']*)\'|"([^\."]*)")(([^)]|\)[^ ]|\) +[^% ])*)\) +%' . '>', '', $content); // Remove UTF-8 byte order mark // This is only necessary if you don't have zend-multibyte enabled. if(substr($content, 0,3) == pack("CCC", 0xef, 0xbb, 0xbf)) { $content = substr($content, 3); } return $content; } /** * @ignore */ static private $flushed = false; /** * Clears all parsed template files in the cache folder. * * Can only be called once per request (there may be multiple SSViewer instances). */ static function flush_template_cache() { if (!self::$flushed) { $dir = dir(TEMP_FOLDER); while (false !== ($file = $dir->read())) { if (strstr($file, '.cache')) { unlink(TEMP_FOLDER.'/'.$file); } } self::$flushed = true; } } /** * The process() method handles the "meat" of the template processing. */ public function process($item, $cache = null) { SSViewer::$topLevel[] = $item; if (!$cache) $cache = SS_Cache::factory('cacheblock'); if(isset($this->chosenTemplates['main'])) { $template = $this->chosenTemplates['main']; } else { $template = $this->chosenTemplates[ reset($dummy = array_keys($this->chosenTemplates)) ]; } if(isset($_GET['debug_profile'])) Profiler::mark("SSViewer::process", " for $template"); $cacheFile = TEMP_FOLDER . "/.cache" . str_replace(array('\\','/',':'),'.',realpath($template)); $lastEdited = filemtime($template); if(!file_exists($cacheFile) || filemtime($cacheFile) < $lastEdited || isset($_GET['flush'])) { if(isset($_GET['debug_profile'])) Profiler::mark("SSViewer::process - compile", " for $template"); $content = file_get_contents($template); $content = SSViewer::parseTemplateContent($content, $template); $fh = fopen($cacheFile,'w'); fwrite($fh, $content); fclose($fh); if(isset($_GET['debug_profile'])) Profiler::unmark("SSViewer::process - compile", " for $template"); } if(isset($_GET['showtemplate']) && !Director::isLive()) { $lines = file($cacheFile); echo "

Template: $cacheFile

"; echo "
";
			foreach($lines as $num => $line) {
				echo str_pad($num+1,5) . htmlentities($line);
			}
			echo "
"; } foreach(array('Content', 'Layout') as $subtemplate) { if(isset($this->chosenTemplates[$subtemplate])) { $subtemplateViewer = new SSViewer($this->chosenTemplates[$subtemplate]); $item = $item->customise(array( $subtemplate => $subtemplateViewer->process($item, $cache) )); } } $itemStack = array(); $val = ""; $valStack = array(); include($cacheFile); $output = $val; $output = Requirements::includeInHTML($template, $output); array_pop(SSViewer::$topLevel); if(isset($_GET['debug_profile'])) Profiler::unmark("SSViewer::process", " for $template"); // If we have our crazy base tag, then fix # links referencing the current page. if($this->rewriteHashlinks && self::$options['rewriteHashlinks']) { if(strpos($output, ']+href *= *)"#/i', '\\1"' . $thisURLRelativeToBase . '#', $output); } } return $output; } static function parseTemplateContent($content, $template="") { // Remove UTF-8 byte order mark: // This is only necessary if you don't have zend-multibyte enabled. if(substr($content, 0,3) == pack("CCC", 0xef, 0xbb, 0xbf)) { $content = substr($content, 3); } // Add template filename comments on dev sites if(Director::isDev() && self::$source_file_comments && $template && stripos($content, "]*>)/i', "\\1", $content); $content = preg_replace('/(<\/html[^>]*>)/i', "\\1", $content); } else { $content = "\n" . $content . "\n"; } } while(true) { $oldContent = $content; // Add include filename comments on dev sites if(Director::isDev() && self::$source_file_comments) $replacementCode = 'return "\n" . SSViewer::getTemplateContent($matches[1]) . "\n";'; else $replacementCode = 'return SSViewer::getTemplateContent($matches[1]);'; $content = preg_replace_callback('/<' . '% include +([A-Za-z0-9_]+) +%' . '>/', create_function( '$matches', $replacementCode ), $content); if($oldContent == $content) break; } // $val, $val.property, $val(param), etc. $replacements = array( '/<%--.*--%>/U' => '', '/\$Iteration/' => '', '/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)}/' => 'obj("\\1",array("\\2","\\3"),true)->obj("\\4",null,true)->XML_val("\\5",null,true) ?>', '/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)\\.([A-Za-z0-9_]+)}/' => 'obj("\\1",array("\\2","\\3"),true)->XML_val("\\4",null,true) ?>', '/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)}/' => 'XML_val("\\1",array("\\2","\\3"),true) ?>', '/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)}/' => 'obj("\\1",array("\\2"),true)->obj("\\3",null,true)->XML_val("\\4",null,true) ?>', '/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)\\.([A-Za-z0-9_]+)}/' => 'obj("\\1",array("\\2"),true)->XML_val("\\3",null,true) ?>', '/{\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)}/' => 'XML_val("\\1",array("\\2"),true) ?>', '/{\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)}/' => 'obj("\\1",null,true)->obj("\\2",null,true)->XML_val("\\3",null,true) ?>', '/{\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)}/' => 'obj("\\1",null,true)->XML_val("\\2",null,true) ?>', '/{\\$([A-Za-z_][A-Za-z0-9_]*)}/' => 'XML_val("\\1",null,true) ?>\\2', '/\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)\\(([^),]+)\\)([^A-Za-z0-9]|$)/' => 'obj("\\1")->XML_val("\\2",array("\\3"),true) ?>\\4', '/\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)\\(([^),]+), *([^),]+)\\)([^A-Za-z0-9]|$)/' => 'obj("\\1")->XML_val("\\2",array("\\3", "\\4"),true) ?>\\5', '/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => 'obj("\\1",array("\\2","\\3"),true)->obj("\\4",null,true)->XML_val("\\5",null,true) ?>\\6', '/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => 'obj("\\1",array("\\2","\\3"),true)->XML_val("\\4",null,true) ?>\\5', '/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+), *([^),]+)\\)([^A-Za-z0-9]|$)/' => 'XML_val("\\1",array("\\2","\\3"),true) ?>\\4', '/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => 'obj("\\1",array("\\2"),true)->obj("\\3",null,true)->XML_val("\\4",null,true) ?>\\5', '/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => 'obj("\\1",array("\\2"),true)->XML_val("\\3",null,true) ?>\\4', '/\\$([A-Za-z_][A-Za-z0-9_]*)\\(([^),]+)\\)([^A-Za-z0-9]|$)/' => 'XML_val("\\1",array("\\2"),true) ?>\\3', '/\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => 'obj("\\1",null,true)->obj("\\2",null,true)->XML_val("\\3",null,true) ?>\\4', '/\\$([A-Za-z_][A-Za-z0-9_]*)\\.([A-Za-z0-9_]+)([^A-Za-z0-9]|$)/' => 'obj("\\1",null,true)->XML_val("\\2",null,true) ?>\\3', '/\\$([A-Za-z_][A-Za-z0-9_]*)([^A-Za-z0-9]|$)/' => '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('', '<' . '% control \\1 %' . '>', $content); $content = ereg_replace('', '<' . '% end_control %' . '>', $content); // < % control Foo % > $content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+) +%' . '>', 'obj("\\1")) foreach($loop as $key => $item) { ?>', $content); // < % control Foo.Bar % > $content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', 'obj("\\1")) && ($loop = $loop->obj("\\2"))) foreach($loop as $key => $item) { ?>', $content); // < % control Foo.Bar(Baz) % > $content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)\\(([^),]+)\\) +%' . '>', 'obj("\\1")) && ($loop = $loop->obj("\\2", array("\\3")))) foreach($loop as $key => $item) { ?>', $content); // < % control Foo(Bar) % > $content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+)\\(([^),]+)\\) +%' . '>', 'obj("\\1", array("\\2"))) foreach($loop as $key => $item) { ?>', $content); // < % control Foo(Bar, Baz) % > $content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+)\\(([^),]+), *([^),]+)\\) +%' . '>', 'obj("\\1", array("\\2","\\3"))) foreach($loop as $key => $item) { ?>', $content); // < % control Foo(Bar, Baz, Buz) % > $content = ereg_replace('<' . '% +control +([A-Za-z0-9_]+)\\(([^),]+), *([^),]+), *([^),]+)\\) +%' . '>', 'obj("\\1", array("\\2", "\\3", "\\4"))) foreach($loop as $key => $item) { ?>', $content); $content = ereg_replace('<' . '% +end_control +%' . '>', '', $content); $content = ereg_replace('<' . '% +debug +%' . '>', '', $content); $content = ereg_replace('<' . '% +debug +([A-Za-z0-9_]+) +%' . '>', 'cachedCall("\\1")) ?>', $content); // < % if val1.property % > $content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', 'obj("\\1",null,true)->hasValue("\\2")) { ?>', $content); // < % if val1(parameter) % > $content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+)\\(([A-Za-z0-9_-]+)\\) +%' . '>', 'hasValue("\\1",array("\\2"))) { ?>', $content); // < % if val1 % > $content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+) +%' . '>', 'hasValue("\\1")) { ?>', $content); $content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) +%' . '>', 'hasValue("\\1")) { ?>', $content); // < % if val1 || val2 % > $content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+) *\\|\\|? *([A-Za-z0-9_]+) +%' . '>', 'hasValue("\\1") || $item->hasValue("\\2")) { ?>', $content); $content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) *\\|\\|? *([A-Za-z0-9_]+) +%' . '>', 'hasValue("\\1") || $item->hasValue("\\2")) { ?>', $content); // < % if val1 && val2 % > $content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+) *&&? *([A-Za-z0-9_]+) +%' . '>', 'hasValue("\\1") && $item->hasValue("\\2")) { ?>', $content); $content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) *&&? *([A-Za-z0-9_]+) +%' . '>', 'hasValue("\\1") && $item->hasValue("\\2")) { ?>', $content); // < % if val1 == val2 % > $content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+) *==? *"?([A-Za-z0-9_-]+)"? +%' . '>', 'XML_val("\\1",null,true) == "\\2") { ?>', $content); $content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) *==? *"?([A-Za-z0-9_-]+)"? +%' . '>', 'XML_val("\\1",null,true) == "\\2") { ?>', $content); // < % if val1 != val2 % > $content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+) *!= *"?([A-Za-z0-9_-]+)"? +%' . '>', 'XML_val("\\1",null,true) != "\\2") { ?>', $content); $content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) *!= *"?([A-Za-z0-9_-]+)"? +%' . '>', 'XML_val("\\1",null,true) != "\\2") { ?>', $content); $content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+) +%' . '>', 'cachedCall("\\1")) && ((!is_object($test) && $test) || ($test && $test->exists()) )) { ?>', $content); $content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', 'obj("\\1",null,true)->cachedCall("\\2"); if((!is_object($test) && $test) || ($test && $test->exists())) { ?>', $content); $content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', 'obj("\\1",null,true)->cachedCall("\\2")) && ((!is_object($test) && $test) || ($test && $test->exists()) )) { ?>', $content); $content = ereg_replace('<' . '% +if +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', 'obj("\\1",null,true)->obj("\\2",null,true)->cachedCall("\\3"); if((!is_object($test) && $test) || ($test && $test->exists())) { ?>', $content); $content = ereg_replace('<' . '% +else_if +([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+)\\.([A-Za-z0-9_]+) +%' . '>', 'obj("\\1",null,true)->obj("\\2",null,true)->cachedCall("\\3")) && ((!is_object($test) && $test) || ($test && $test->exists()) )) { ?>', $content); $content = ereg_replace('<' . '% +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\((\'([^\.\']*)\'|"([^\."]*)")(([^)]|\)[^ ]|\) +[^% ])*)\) +%' . '>', '', $content); // i18n _t(...) $content = ereg_replace('<' . '% +_t\((\'([^\']*)\'|"([^"]*)")(([^)]|\)[^ ]|\) +[^% ])*)\) +%' . '>', '', $content); // i18n sprintf(_t(...),$argument) with entity only (no dots in namespace), meaning the current template filename will be added as a namespace $content = ereg_replace('<' . '% +sprintf\(_t\((\'([^\.\']*)\'|"([^\."]*)")(([^)]|\)[^ ]|\) +[^% ])*)\),\<\?= +([^\?]*) +\?\>) +%' . '>', '', $content); // i18n sprintf(_t(...),$argument) $content = ereg_replace('<' . '% +sprintf\(_t\((\'([^\']*)\'|"([^"]*)")(([^)]|\)[^ ]|\) +[^% ])*)\),\<\?= +([^\?]*) +\?\>) +%' . '>', '', $content); // isnt valid html? !? $content = ereg_replace('<' . '% +base_tag +%' . '>', '', $content); $content = ereg_replace('<' . '% +current_page +%' . '>', '', $content); // add all requirements to the $requirements array preg_match_all('/<% require ([a-zA-Z]+)\(([^\)]+)\) %>/', $content, $requirements); $content = preg_replace('/<% require .* %>/', null, $content); // legacy $content = ereg_replace('', 'cachedCall("\\1")) { ?>', $content); $content = ereg_replace('', '', $content); $content = ereg_replace('', '', $content); // Fix link stuff $content = ereg_replace('href *= *"#', 'href="#', $content); // Protect xml header $content = ereg_replace('<\?xml([^>]+)\?' . '>', '<##xml\\1##>', $content); // Turn PHP file into string definition $content = str_replace('',";\n \$val .= <<]+)##>', '<' . '?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('/]+xhtml/i', $contentGeneratedSoFar)) { return ""; } else { return ""; } } } /** * 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 "

Template: $tmpFile

"; echo "
";
			foreach($lines as $num => $line) {
				echo str_pad($num+1,5) . htmlentities($line);
			}
			echo "
"; } $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. */ 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 if | unless ) | # The if or unless keybreak (?P (?P \w+) \s* # A property lookup or a function call ( \( (?P [^\)]*) \) )? ) | (?P \' (\\\'|[^\'])+ \' ) | # A string surrounded by \' (?P " (\\"|[^"])+ " ) # A string surrounded by " ) # Some seperator after the argument ( \s*(?P,)\s* | # A comma (maybe with whitespace before or after) (?P\.) # A period (no whitespace before) )? /xS'; static function process($template, $content) { $parser = new SSViewer_PartialParser($template, $content, 0, array(), 'if', 'false'); $parser->parse(); return $parser->generate(); } function __construct($template, $content, $offset, $keyparts, $conditional, $condition) { $this->template = $template; $this->content = $content; $this->offset = $offset; $this->keyparts = $keyparts; $this->conditional = $conditional; $this->condition = $condition; $this->blocks = array(); } function controlcheck($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 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]); } else { $keyparts = array(); $conditional = 'if'; $condition = 'false'; } $parser = new SSViewer_PartialParser($this->template, $this->content, $endpos, $keyparts, $conditional, $condition); $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, $condition); } function key() { if (empty($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'"; $knownUncached = array( 'if' => array('false', '0'), 'unless' => array('true', '1') ); // Optimized version if we know condition is false if ($this->conditional && in_array($this->condition, $knownUncached[$this->conditional])) { $res[] = $block; } else { // Try to load from cache $res[] = "load('.$partialkey.'))) $val .= $partial;'."\n"; // Cache miss - regenerate $res[] = "else {\n"; $res[] = '$oldval = $val; $val = "";'."\n"; $res[] = "\n?>" . $block . "save($val); $val = $oldval . $val ;'."\n"; $res[] = "}\n?>"; } } } return implode('', $res); } } function supressOutput() { return ""; } ?>