'__MyTemplates_', * * // A cache directory for compiled templates. Mustache will not cache templates unless this is set * 'cache' => dirname(__FILE__).'/tmp/cache/mustache', * * // Override default permissions for cache files. Defaults to using the system-defined umask. It is * // *strongly* recommended that you configure your umask properly rather than overriding permissions here. * 'cache_file_mode' => 0666, * * // A Mustache template loader instance. Uses a StringLoader if not specified. * 'loader' => new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views'), * * // A Mustache loader instance for partials. * 'partials_loader' => new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views/partials'), * * // An array of Mustache partials. Useful for quick-and-dirty string template loading, but not as * // efficient or lazy as a Filesystem (or database) loader. * 'partials' => array('foo' => file_get_contents(dirname(__FILE__).'/views/partials/foo.mustache')), * * // An array of 'helpers'. Helpers can be global variables or objects, closures (e.g. for higher order * // sections), or any other valid Mustache context value. They will be prepended to the context stack, * // so they will be available in any template loaded by this Mustache instance. * 'helpers' => array('i18n' => function($text) { * // do something translatey here... * }), * * // An 'escape' callback, responsible for escaping double-mustache variables. * 'escape' => function($value) { * return htmlspecialchars($buffer, ENT_COMPAT, 'UTF-8'); * }, * * // Type argument for `htmlspecialchars`. Defaults to ENT_COMPAT. You may prefer ENT_QUOTES. * 'entity_flags' => ENT_QUOTES, * * // Character set for `htmlspecialchars`. Defaults to 'UTF-8'. Use 'UTF-8'. * 'charset' => 'ISO-8859-1', * * // A Mustache Logger instance. No logging will occur unless this is set. Using a PSR-3 compatible * // logging library -- such as Monolog -- is highly recommended. A simple stream logger implementation is * // available as well: * 'logger' => new Mustache_Logger_StreamLogger('php://stderr'), * * // Only treat Closure instances and invokable classes as callable. If true, values like * // `array('ClassName', 'methodName')` and `array($classInstance, 'methodName')`, which are traditionally * // "callable" in PHP, are not called to resolve variables for interpolation or section contexts. This * // helps protect against arbitrary code execution when user input is passed directly into the template. * // This currently defaults to false, but will default to true in v3.0. * 'strict_callables' => true, * ); * * @throws Mustache_Exception_InvalidArgumentException If `escape` option is not callable. * * @param array $options (default: array()) */ public function __construct(array $options = array()) { if (isset($options['template_class_prefix'])) { $this->templateClassPrefix = $options['template_class_prefix']; } if (isset($options['cache'])) { $this->cache = $options['cache']; } if (isset($options['cache_file_mode'])) { $this->cacheFileMode = $options['cache_file_mode']; } if (isset($options['loader'])) { $this->setLoader($options['loader']); } if (isset($options['partials_loader'])) { $this->setPartialsLoader($options['partials_loader']); } if (isset($options['partials'])) { $this->setPartials($options['partials']); } if (isset($options['helpers'])) { $this->setHelpers($options['helpers']); } if (isset($options['escape'])) { if (!is_callable($options['escape'])) { throw new Mustache_Exception_InvalidArgumentException('Mustache Constructor "escape" option must be callable'); } $this->escape = $options['escape']; } if (isset($options['entity_flags'])) { $this->entityFlags = $options['entity_flags']; } if (isset($options['charset'])) { $this->charset = $options['charset']; } if (isset($options['logger'])) { $this->setLogger($options['logger']); } if (isset($options['strict_callables'])) { $this->strictCallables = $options['strict_callables']; } } /** * Shortcut 'render' invocation. * * Equivalent to calling `$mustache->loadTemplate($template)->render($context);` * * @see Mustache_Engine::loadTemplate * @see Mustache_Template::render * * @param string $template * @param mixed $context (default: array()) * * @return string Rendered template */ public function render($template, $context = array()) { return $this->loadTemplate($template)->render($context); } /** * Get the current Mustache escape callback. * * @return mixed Callable or null */ public function getEscape() { return $this->escape; } /** * Get the current Mustache entitity type to escape. * * @return int */ public function getEntityFlags() { return $this->entityFlags; } /** * Get the current Mustache character set. * * @return string */ public function getCharset() { return $this->charset; } /** * Set the Mustache template Loader instance. * * @param Mustache_Loader $loader */ public function setLoader(Mustache_Loader $loader) { $this->loader = $loader; } /** * Get the current Mustache template Loader instance. * * If no Loader instance has been explicitly specified, this method will instantiate and return * a StringLoader instance. * * @return Mustache_Loader */ public function getLoader() { if (!isset($this->loader)) { $this->loader = new Mustache_Loader_StringLoader; } return $this->loader; } /** * Set the Mustache partials Loader instance. * * @param Mustache_Loader $partialsLoader */ public function setPartialsLoader(Mustache_Loader $partialsLoader) { $this->partialsLoader = $partialsLoader; } /** * Get the current Mustache partials Loader instance. * * If no Loader instance has been explicitly specified, this method will instantiate and return * an ArrayLoader instance. * * @return Mustache_Loader */ public function getPartialsLoader() { if (!isset($this->partialsLoader)) { $this->partialsLoader = new Mustache_Loader_ArrayLoader; } return $this->partialsLoader; } /** * Set partials for the current partials Loader instance. * * @throws Mustache_Exception_RuntimeException If the current Loader instance is immutable * * @param array $partials (default: array()) */ public function setPartials(array $partials = array()) { if (!isset($this->partialsLoader)) { $this->partialsLoader = new Mustache_Loader_ArrayLoader; } if (!$this->partialsLoader instanceof Mustache_Loader_MutableLoader) { throw new Mustache_Exception_RuntimeException('Unable to set partials on an immutable Mustache Loader instance'); } $this->partialsLoader->setTemplates($partials); } /** * Set an array of Mustache helpers. * * An array of 'helpers'. Helpers can be global variables or objects, closures (e.g. for higher order sections), or * any other valid Mustache context value. They will be prepended to the context stack, so they will be available in * any template loaded by this Mustache instance. * * @throws Mustache_Exception_InvalidArgumentException if $helpers is not an array or Traversable * * @param array|Traversable $helpers */ public function setHelpers($helpers) { if (!is_array($helpers) && !$helpers instanceof Traversable) { throw new Mustache_Exception_InvalidArgumentException('setHelpers expects an array of helpers'); } $this->getHelpers()->clear(); foreach ($helpers as $name => $helper) { $this->addHelper($name, $helper); } } /** * Get the current set of Mustache helpers. * * @see Mustache_Engine::setHelpers * * @return Mustache_HelperCollection */ public function getHelpers() { if (!isset($this->helpers)) { $this->helpers = new Mustache_HelperCollection; } return $this->helpers; } /** * Add a new Mustache helper. * * @see Mustache_Engine::setHelpers * * @param string $name * @param mixed $helper */ public function addHelper($name, $helper) { $this->getHelpers()->add($name, $helper); } /** * Get a Mustache helper by name. * * @see Mustache_Engine::setHelpers * * @param string $name * * @return mixed Helper */ public function getHelper($name) { return $this->getHelpers()->get($name); } /** * Check whether this Mustache instance has a helper. * * @see Mustache_Engine::setHelpers * * @param string $name * * @return boolean True if the helper is present */ public function hasHelper($name) { return $this->getHelpers()->has($name); } /** * Remove a helper by name. * * @see Mustache_Engine::setHelpers * * @param string $name */ public function removeHelper($name) { $this->getHelpers()->remove($name); } /** * Set the Mustache Logger instance. * * @throws Mustache_Exception_InvalidArgumentException If logger is not an instance of Mustache_Logger or Psr\Log\LoggerInterface. * * @param Mustache_Logger|Psr\Log\LoggerInterface $logger */ public function setLogger($logger = null) { if ($logger !== null && !($logger instanceof Mustache_Logger || is_a($logger, 'Psr\\Log\\LoggerInterface'))) { throw new Mustache_Exception_InvalidArgumentException('Expected an instance of Mustache_Logger or Psr\\Log\\LoggerInterface.'); } $this->logger = $logger; } /** * Get the current Mustache Logger instance. * * @return Mustache_Logger|Psr\Log\LoggerInterface */ public function getLogger() { return $this->logger; } /** * Set the Mustache Tokenizer instance. * * @param Mustache_Tokenizer $tokenizer */ public function setTokenizer(Mustache_Tokenizer $tokenizer) { $this->tokenizer = $tokenizer; } /** * Get the current Mustache Tokenizer instance. * * If no Tokenizer instance has been explicitly specified, this method will instantiate and return a new one. * * @return Mustache_Tokenizer */ public function getTokenizer() { if (!isset($this->tokenizer)) { $this->tokenizer = new Mustache_Tokenizer; } return $this->tokenizer; } /** * Set the Mustache Parser instance. * * @param Mustache_Parser $parser */ public function setParser(Mustache_Parser $parser) { $this->parser = $parser; } /** * Get the current Mustache Parser instance. * * If no Parser instance has been explicitly specified, this method will instantiate and return a new one. * * @return Mustache_Parser */ public function getParser() { if (!isset($this->parser)) { $this->parser = new Mustache_Parser; } return $this->parser; } /** * Set the Mustache Compiler instance. * * @param Mustache_Compiler $compiler */ public function setCompiler(Mustache_Compiler $compiler) { $this->compiler = $compiler; } /** * Get the current Mustache Compiler instance. * * If no Compiler instance has been explicitly specified, this method will instantiate and return a new one. * * @return Mustache_Compiler */ public function getCompiler() { if (!isset($this->compiler)) { $this->compiler = new Mustache_Compiler; } return $this->compiler; } /** * Helper method to generate a Mustache template class. * * @param string $source * * @return string Mustache Template class name */ public function getTemplateClassName($source) { return $this->templateClassPrefix . md5(sprintf( 'version:%s,escape:%s,entity_flags:%i,charset:%s,strict_callables:%s,source:%s', self::VERSION, isset($this->escape) ? 'custom' : 'default', $this->entityFlags, $this->charset, $this->strictCallables ? 'true' : 'false', $source )); } /** * Load a Mustache Template by name. * * @param string $name * * @return Mustache_Template */ public function loadTemplate($name) { return $this->loadSource($this->getLoader()->load($name)); } /** * Load a Mustache partial Template by name. * * This is a helper method used internally by Template instances for loading partial templates. You can most likely * ignore it completely. * * @param string $name * * @return Mustache_Template */ public function loadPartial($name) { try { if (isset($this->partialsLoader)) { $loader = $this->partialsLoader; } elseif (isset($this->loader) && !$this->loader instanceof Mustache_Loader_StringLoader) { $loader = $this->loader; } else { throw new Mustache_Exception_UnknownTemplateException($name); } return $this->loadSource($loader->load($name)); } catch (Mustache_Exception_UnknownTemplateException $e) { // If the named partial cannot be found, log then return null. $this->log( Mustache_Logger::WARNING, 'Partial not found: "{name}"', array('name' => $e->getTemplateName()) ); } } /** * Load a Mustache lambda Template by source. * * This is a helper method used by Template instances to generate subtemplates for Lambda sections. You can most * likely ignore it completely. * * @param string $source * @param string $delims (default: null) * * @return Mustache_Template */ public function loadLambda($source, $delims = null) { if ($delims !== null) { $source = $delims . "\n" . $source; } return $this->loadSource($source); } /** * Instantiate and return a Mustache Template instance by source. * * @see Mustache_Engine::loadTemplate * @see Mustache_Engine::loadPartial * @see Mustache_Engine::loadLambda * * @param string $source * * @return Mustache_Template */ private function loadSource($source) { $className = $this->getTemplateClassName($source); if (!isset($this->templates[$className])) { if (!class_exists($className, false)) { if ($fileName = $this->getCacheFilename($source)) { if (!is_file($fileName)) { $this->log( Mustache_Logger::DEBUG, 'Writing "{className}" class to template cache: "{fileName}"', array('className' => $className, 'fileName' => $fileName) ); $this->writeCacheFile($fileName, $this->compile($source)); } require_once $fileName; } else { $this->log( Mustache_Logger::WARNING, 'Template cache disabled, evaluating "{className}" class at runtime', array('className' => $className) ); eval('?>'.$this->compile($source)); } } $this->log( Mustache_Logger::DEBUG, 'Instantiating template: "{className}"', array('className' => $className) ); $this->templates[$className] = new $className($this); } return $this->templates[$className]; } /** * Helper method to tokenize a Mustache template. * * @see Mustache_Tokenizer::scan * * @param string $source * * @return array Tokens */ private function tokenize($source) { return $this->getTokenizer()->scan($source); } /** * Helper method to parse a Mustache template. * * @see Mustache_Parser::parse * * @param string $source * * @return array Token tree */ private function parse($source) { return $this->getParser()->parse($this->tokenize($source)); } /** * Helper method to compile a Mustache template. * * @see Mustache_Compiler::compile * * @param string $source * * @return string generated Mustache template class code */ private function compile($source) { $tree = $this->parse($source); $name = $this->getTemplateClassName($source); $this->log( Mustache_Logger::INFO, 'Compiling template to "{className}" class', array('className' => $name) ); return $this->getCompiler()->compile($source, $tree, $name, isset($this->escape), $this->charset, $this->strictCallables, $this->entityFlags); } /** * Helper method to generate a Mustache Template class cache filename. * * @param string $source * * @return string Mustache Template class cache filename */ private function getCacheFilename($source) { if ($this->cache) { return sprintf('%s/%s.php', $this->cache, $this->getTemplateClassName($source)); } } /** * Helper method to dump a generated Mustache Template subclass to the file cache. * * @throws Mustache_Exception_RuntimeException if unable to create the cache directory or write to $fileName. * * @param string $fileName * @param string $source * * @codeCoverageIgnore */ private function writeCacheFile($fileName, $source) { $dirName = dirname($fileName); if (!is_dir($dirName)) { $this->log( Mustache_Logger::INFO, 'Creating Mustache template cache directory: "{dirName}"', array('dirName' => $dirName) ); @mkdir($dirName, 0777, true); if (!is_dir($dirName)) { throw new Mustache_Exception_RuntimeException(sprintf('Failed to create cache directory "%s".', $dirName)); } } $this->log( Mustache_Logger::DEBUG, 'Caching compiled template to "{fileName}"', array('fileName' => $fileName) ); $tempFile = tempnam($dirName, basename($fileName)); if (false !== @file_put_contents($tempFile, $source)) { if (@rename($tempFile, $fileName)) { $mode = isset($this->cacheFileMode) ? $this->cacheFileMode : (0666 & ~umask()); @chmod($fileName, $mode); return; } $this->log( Mustache_Logger::ERROR, 'Unable to rename Mustache temp cache file: "{tempName}" -> "{fileName}"', array('tempName' => $tempFile, 'fileName' => $fileName) ); } throw new Mustache_Exception_RuntimeException(sprintf('Failed to write cache file "%s".', $fileName)); } /** * Add a log record if logging is enabled. * * @param integer $level The logging level * @param string $message The log message * @param array $context The log context */ private function log($level, $message, array $context = array()) { if (isset($this->logger)) { $this->logger->log($level, $message, $context); } } }