+++ /dev/null
-<?php
-/**
- * The own template engine for loading caching and sending out the web pages
- * and emails.
- *
- * @author Roland Haeder <webmaster@ship-simu.org>
- * @version 0.0.0
- * @copyright Copyright(c) 2007, 2008 Roland Haeder, this is free software
- * @license GNU GPL 3.0 or any newer version
- * @link http://www.ship-simu.org
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-class TemplateEngine extends BaseFrameworkSystem implements CompileableTemplate {
- /**
- * The local path name where all templates and sub folders for special
- * templates are stored. We will internally determine the language plus
- * "html" for web templates or "emails" for email templates
- */
- private $basePath = "";
-
- /**
- * The extension for web and email templates (not compiled templates)
- */
- private $templateExtension = ".tpl";
-
- /**
- * The extension for code templates (not compiled templates)
- */
- private $codeExtension = ".ctp";
-
- /**
- * Path relative to $basePath and language code for compiled code-templates
- */
- private $compileOutputPath = "templates/_compiled";
-
- /**
- * The raw (maybe uncompiled) template
- */
- private $rawTemplateData = "";
-
- /**
- * Template data with compiled-in variables
- */
- private $compiledData = "";
-
- /**
- * The last loaded template's FQFN for debugging the engine
- */
- private $lastTemplate = "";
-
- /**
- * The variable stack for the templates. This must be initialized and
- * shall become an instance of FrameworkArrayObject.
- */
- private $varStack = null;
-
- /**
- * Configuration variables in a simple array
- */
- private $configVariables = array();
-
- /**
- * Loaded templates for recursive protection and detection
- */
- private $loadedTemplates = array();
-
- /**
- * Compiled templates for recursive protection and detection
- */
- private $compiledTemplates = array();
-
- /**
- * Loaded raw template data
- */
- private $loadedRawData = null;
-
- /**
- * Raw templates which are linked in code templates
- */
- private $rawTemplates = null;
-
- /**
- * A regular expression for variable=value pairs
- */
- private $regExpVarValue = '/([\w_]+)(="([^"]*)"|=([\w_]+))?/';
-
- /**
- * A regular expression for filtering out code tags
- *
- * E.g.: {?template:variable=value;var2=value2;[...]?}
- */
- private $regExpCodeTags = '/\{\?([a-z_]+)(:("[^"]+"|[^?}]+)+)?\?\}/';
-
- /**
- * Loaded helpers
- */
- private $helpers = array();
-
- // Exception codes for the template engine
- const EXCEPTION_TEMPLATE_TYPE_IS_UNEXPECTED = 0x020;
- const EXCEPTION_TEMPLATE_CONTAINS_INVALID_VAR = 0x021;
- const EXCEPTION_INVALID_VIEW_HELPER = 0x022;
-
- /**
- * Protected constructor
- *
- * @return void
- */
- protected function __construct () {
- // Call parent constructor
- parent::__construct(__CLASS__);
-
- // Clean up a little
- $this->removeNumberFormaters();
- $this->removeSystemArray();
- }
-
- /**
- * Creates an instance of the class TemplateEngine and prepares it for usage
- *
- * @param $basePath The local base path for all templates
- * @param $langInstance An instance of LanguageSystem (default)
- * @param $ioInstance An instance of FileIoHandler (default, middleware!)
- * @return $tplInstance An instance of TemplateEngine
- * @throws BasePathIsEmptyException If the provided $basePath is empty
- * @throws InvalidBasePathStringException If $basePath is no string
- * @throws BasePathIsNoDirectoryException If $basePath is no
- * directory or not found
- * @throws BasePathReadProtectedException If $basePath is
- * read-protected
- */
- public final static function createTemplateEngine ($basePath, ManageableLanguage $langInstance, FileIoHandler $ioInstance) {
- // Get a new instance
- $tplInstance = new TemplateEngine();
-
- // Is the base path valid?
- if (empty($basePath)) {
- // Base path is empty
- throw new BasePathIsEmptyException($tplInstance, self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
- } elseif (!is_string($basePath)) {
- // Is not a string
- throw new InvalidBasePathStringException(array($tplInstance, $basePath), self::EXCEPTION_INVALID_STRING);
- } elseif (!is_dir($basePath)) {
- // Is not a path
- throw new BasePathIsNoDirectoryException(array($tplInstance, $basePath), self::EXCEPTION_INVALID_PATH_NAME);
- } elseif (!is_readable($basePath)) {
- // Is not readable
- throw new BasePathReadProtectedException(array($tplInstance, $basePath), self::EXCEPTION_READ_PROTECED_PATH);
- }
-
- // Get configuration instance
- $cfgInstance = FrameworkConfiguration::getInstance();
-
- // Set the base path
- $tplInstance->setBasePath($basePath);
-
- // Initialize the variable stack
- $tplInstance->initVariableStack();
-
- // Set the language and IO instances
- $tplInstance->setLanguageInstance($langInstance);
- $tplInstance->setFileIoInstance($ioInstance);
-
- // Set template extensions
- $tplInstance->setRawTemplateExtension($cfgInstance->readConfig('raw_template_extension'));
- $tplInstance->setCodeTemplateExtension($cfgInstance->readConfig('code_template_extension'));
-
- // Absolute output path for compiled templates
- $tplInstance->setCompileOutputPath(PATH . $cfgInstance->readConfig('compile_output_path'));
-
- // Return the prepared instance
- return $tplInstance;
- }
-
- /**
- * Search for a variable in the stack
- *
- * @param $var The variable we are looking for
- * @return $idx FALSE means not found, >=0 means found on a specific index
- */
- private function isVariableAlreadySet ($var) {
- // First everything is not found
- $found = false;
-
- // Now search for it
- for ($idx = $this->varStack->getIterator(); $idx->valid(); $idx->next()) {
- // Get current item
- $currEntry = $idx->current();
-
- // Is the entry found?
- if ($currEntry['name'] == $var) {
- // Found!
- $found = $idx->key();
- break;
- }
- }
-
- // Return the current position
- return $found;
- }
-
- /**
- * Return a content of a variable or null if not found
- *
- * @param $var The variable we are looking for
- * @return $content Content of the variable or null if not found
- */
- private function readVariable ($var) {
- // First everything is not found
- $content = null;
-
- // Now search for it
- for ($idx = $this->varStack->getIterator(); $idx->valid(); $idx->next()) {
- // Get current item
- $currEntry = $idx->current();
-
- // Is the entry found?
- if ($currEntry['name'] == $var) {
- // Found!
- $content = $currEntry['value'];
- break;
- }
- }
-
- // Return the current position
- return $content;
- }
-
- /**
- * Add a variable to the stack
- *
- * @param $var The variable we are looking for
- * @param $value The value we want to store in the variable
- * @return void
- */
- private function addVariable ($var, $value) {
- // Add it to the stack
- $this->varStack->append(array(
- 'name' => trim($var),
- 'value' => trim($value)
- ));
- }
-
- /**
- * Modify an entry on the stack
- *
- * @param $var The variable we are looking for
- * @param $value The value we want to store in the variable
- * @return void
- */
- private function modifyVariable ($var, $value) {
- // It should be there so let's look again...
- for ($idx = $this->varStack->getIterator(); $idx->valid(); $idx->next()) {
- // Get current entry
- $currEntry = $idx->current();
-
- // Is this the requested variable?
- if ($currEntry['name'] == $var) {
- // Change it to the other value
- $this->varStack->offsetSet($idx->key(), array(
- 'name' => $var,
- 'value' => $value
- ));
- }
- }
- }
-
- /**
- * Initialize the variable stack. This holds all variables for later
- * compilation.
- *
- * @return void
- */
- public final function initVariableStack () {
- $this->varStack = new FrameworkArrayObject("FakedVariableStack");
- }
-
- /**
- * Setter for base path
- *
- * @param $basePath The local base path for all templates
- * @return void
- */
- public final function setBasePath ($basePath) {
- // Cast it
- $basePath = (string) $basePath;
-
- // And set it
- $this->basePath = $basePath;
- }
-
- /**
- * Getter for base path
- *
- * @return $basePath The local base path for all templates
- */
- public final function getBasePath () {
- // And set it
- return $this->basePath;
- }
-
- /**
- * Setter for template extension
- *
- * @param $templateExtension The file extension for all uncompiled
- * templates
- * @return void
- */
- public final function setRawTemplateExtension ($templateExtension) {
- // Cast it
- $templateExtension = (string) $templateExtension;
-
- // And set it
- $this->templateExtension = $templateExtension;
- }
-
- /**
- * Setter for code template extension
- *
- * @param $codeExtension The file extension for all uncompiled
- * templates
- * @return void
- */
- public final function setCodeTemplateExtension ($codeExtension) {
- // Cast it
- $codeExtension = (string) $codeExtension;
-
- // And set it
- $this->codeExtension = $codeExtension;
- }
-
- /**
- * Getter for template extension
- *
- * @return $templateExtension The file extension for all uncompiled
- * templates
- */
- public final function getRawTemplateExtension () {
- // And set it
- return $this->templateExtension;
- }
-
- /**
- * Getter for code-template extension
- *
- * @return $codeExtension The file extension for all code-
- * templates
- */
- public final function getCodeTemplateExtension () {
- // And set it
- return $this->codeExtension;
- }
-
- /**
- * Setter for path of compiled templates
- *
- * @param $compileOutputPath The local base path for all
- * compiled templates
- * @return void
- */
- public final function setCompileOutputPath ($compileOutputPath) {
- // Cast it
- $compileOutputPath = (string) $compileOutputPath;
-
- // And set it
- $this->compileOutputPath = $compileOutputPath;
- }
-
- /**
- * Setter for template type. Only "html", "emails" and "compiled" should
- * be sent here
- *
- * @param $templateType The current template's type
- * @return void
- */
- private final function setTemplateType ($templateType) {
- // Cast it
- $templateType = (string) $templateType;
-
- // And set it (only 2 letters)
- $this->templateType = $templateType;
- }
-
- /**
- * Getter for template type
- *
- * @return $templateType The current template's type
- */
- public final function getTemplateType () {
- return $this->templateType;
- }
-
- /**
- * Setter for the last loaded template's FQFN
- *
- * @param $template The last loaded template
- * @return void
- */
- private final function setLastTemplate ($template) {
- // Cast it to string
- $template = (string) $template;
- $this->lastTemplate = $template;
- }
-
- /**
- * Getter for the last loaded template's FQFN
- *
- * @return $template The last loaded template
- */
- private final function getLastTemplate () {
- return $this->lastTemplate;
- }
-
- /**
- * Assign (add) a given variable with a value
- *
- * @param $var The variable we are looking for
- * @param $value The value we want to store in the variable
- * @return void
- */
- public final function assignVariable ($var, $value) {
- // First search for the variable if it was already added
- $idx = $this->isVariableAlreadySet($var);
-
- // Was it found?
- if ($idx === false) {
- // Add it to the stack
- $this->addVariable($var, $value);
- } elseif (!empty($value)) {
- // Modify the stack entry
- $this->modifyVariable($var, $value);
- }
- }
-
- /**
- * Assign a given congfiguration variable with a value
- *
- * @param $var The configuration variable we are looking for
- * @param $value The value we want to store in the variable
- * @return void
- */
- public final function assignConfigVariable ($var, $value) {
- // Sweet and simple...
- $this->configVariables[$var] = $value;
- }
-
- /**
- * Removes a given variable
- *
- * @param $var The variable we are looking for
- * @return void
- */
- public final function removeVariable ($var) {
- // First search for the variable if it was already added
- $idx = $this->isVariableAlreadySet($var);
-
- // Was it found?
- if ($idx !== false) {
- // Remove this variable
- $this->varStack->offsetUnset($idx);
- }
- }
-
- /**
- * Private setter for raw template data
- *
- * @param $rawTemplateData The raw data from the template
- * @return void
- */
- private final function setRawTemplateData ($rawTemplateData) {
- // Cast it to string
- $rawTemplateData = (string) $rawTemplateData;
-
- // And store it in this class
- $this->rawTemplateData = $rawTemplateData;
- }
-
- /**
- * Private setter for compiled templates
- */
- private final function setCompiledData ($compiledData) {
- // Cast it to string
- $compiledData = (string) $compiledData;
-
- // And store it in this class
- $this->compiledData = $compiledData;
- }
-
- /**
- * Private loader for all template types
- *
- * @param $template The template we shall load
- * @return void
- */
- private final function loadTemplate ($template) {
- // Cast it to string
- $template = (string) $template;
-
- // Get extension for the template
- $ext = $this->getRawTemplateExtension();
-
- // If we shall load a code-template we need to switch the file extension
- if ($this->getTemplateType() == $this->getConfigInstance()->readConfig('code_template_type')) {
- // Switch over to the code-template extension
- $ext = $this->getCodeTemplateExtension();
- }
-
- // Construct the FQFN for the template by honoring the current language
- $fqfn = sprintf("%s%s/%s/%s%s",
- $this->getBasePath(),
- $this->getLanguageInstance()->getLanguageCode(),
- $this->getTemplateType(),
- $template,
- $ext
- );
-
- // Load the raw template data
- $this->loadRawTemplateData($fqfn);
- }
-
- /**
- * A private loader for raw template names
- *
- * @param $fqfn The full-qualified file name for a template
- * @return void
- * @throws NullPointerException If $inputInstance is null
- * @throws NoObjectException If $inputInstance is not an object
- * @throws MissingMethodException If $inputInstance is missing a
- * required method
- */
- private function loadRawTemplateData ($fqfn) {
- // Get a input/output instance from the middleware
- $ioInstance = $this->getFileIoInstance();
-
- // Validate the instance
- if (is_null($ioInstance)) {
- // Throw exception
- throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
- } elseif (!is_object($ioInstance)) {
- // Throw another exception
- throw new NoObjectException($ioInstance, self::EXCEPTION_IS_NO_OBJECT);
- } elseif (!method_exists($ioInstance, 'loadFileContents')) {
- // Throw yet another exception
- throw new MissingMethodException(array($ioInstance, 'loadFileContents'), self::EXCEPTION_MISSING_METHOD);
- }
-
- // Load the raw template
- $rawTemplateData = $ioInstance->loadFileContents($fqfn);
-
- // Store the template's contents into this class
- $this->setRawTemplateData($rawTemplateData);
-
- // Remember the template's FQFN
- $this->setLastTemplate($fqfn);
- }
-
- /**
- * Try to assign an extracted template variable as a "content" or "config"
- * variable.
- *
- * @param $varName The variable's name (shall be content or
- * config) by default
- * @param $var The variable we want to assign
- */
- private function assignTemplateVariable ($varName, $var) {
- // Is it not a config variable?
- if ($varName != "config") {
- // Regular template variables
- $this->assignVariable($var, "");
- } else {
- // Configuration variables
- $this->assignConfigVariable($var, $this->getConfigInstance()->readConfig($var));
- }
- }
-
- /**
- * Extract variables from a given raw data stream
- *
- * @param $rawData The raw template data we shall analyze
- * @return void
- */
- private function extractVariablesFromRawData ($rawData) {
- // Cast to string
- $rawData = (string) $rawData;
-
- // Search for variables
- @preg_match_all('/\$(\w+)(\[(\w+)\])?/', $rawData, $variableMatches);
-
- // Did we find some variables?
- if ((is_array($variableMatches)) && (count($variableMatches) == 4) && (count($variableMatches[0]) > 0)) {
- // Initialize all missing variables
- foreach ($variableMatches[3] as $key=>$var) {
- // Try to assign it, empty strings are being ignored
- $this->assignTemplateVariable($variableMatches[1][$key], $var);
- }
- }
- }
-
- /**
- * Main analysis of the loaded template
- *
- * @param $templateMatches Found template place-holders, see below
- * @return void
- *
- *---------------------------------
- * Structure of $templateMatches:
- *---------------------------------
- * [0] => Array - An array with all full matches
- * [1] => Array - An array with left part (before the ":") of a match
- * [2] => Array - An array with right part of a match including ":"
- * [3] => Array - An array with right part of a match excluding ":"
- */
- private function analyzeTemplate (array $templateMatches) {
- // Backup raw template data
- $backup = $this->getRawTemplateData();
-
- // Initialize some arrays
- if (is_null($this->loadedRawData)) { $this->loadedRawData = array(); $this->rawTemplates = array(); }
-
- // Load all requested templates
- foreach ($templateMatches[1] as $template) {
-
- // Load and compile only templates which we have not yet loaded
- // RECURSIVE PROTECTION! BE CAREFUL HERE!
- if ((!isset($this->loadedRawData[$template])) && (!in_array($template, $this->loadedTemplates))) {
-
- // Template not found, but maybe variable assigned?
- if ($this->isVariableAlreadySet($template) !== false) {
- // Use that content here
- $this->loadedRawData[$template] = $this->readVariable($template);
-
- // Recursive protection:
- $this->loadedTemplates[] = $template;
- } else {
- // Then try to search for code-templates
- try {
- // Load the code template and remember it's contents
- $this->loadCodeTemplate($template);
- $this->loadedRawData[$template] = $this->getRawTemplateData();
-
- // Remember this template for recursion detection
- // RECURSIVE PROTECTION!
- $this->loadedTemplates[] = $template;
- } catch (FilePointerNotOpenedException $e) {
- // Even this is not done... :/
- $this->rawTemplates[] = $template;
- }
- }
-
- } // if ((!isset( ...
-
- } // for ($templateMatches ...
-
- // Restore the raw template data
- $this->setRawTemplateData($backup);
- }
-
- /**
- * Compile a given raw template code and remember it for later usage
- *
- * @param $code The raw template code
- * @param $template The template's name
- * @return void
- */
- private function compileCode ($code, $template) {
- // Is this template already compiled?
- if (in_array($template, $this->compiledTemplates)) {
- // Abort here...
- return;
- }
-
- // Remember this template being compiled
- $this->compiledTemplates[] = $template;
-
- // Compile the loaded code in five steps:
- //
- // 1. Backup current template data
- $backup = $this->getRawTemplateData();
-
- // 2. Set the current template's raw data as the new content
- $this->setRawTemplateData($code);
-
- // 3. Compile the template data
- $this->compileTemplate();
-
- // 4. Remember it's contents
- $this->loadedRawData[$template] = $this->getRawTemplateData();
-
- // 5. Restore the previous raw content from backup variable
- $this->setRawTemplateData($backup);
- }
-
- /**
- * Insert all given and loaded templates by running through all loaded
- * codes and searching for their place-holder in the main template
- *
- * @param $templateMatches See method analyzeTemplate()
- * @return void
- */
- private function insertAllTemplates (array $templateMatches) {
- // Run through all loaded codes
- foreach ($this->loadedRawData as $template=>$code) {
-
- // Search for the template
- $foundIndex = array_search($template, $templateMatches[1]);
-
- // Lookup the matching template replacement
- if (($foundIndex !== false) && (isset($templateMatches[0][$foundIndex]))) {
-
- // Get the current raw template
- $rawData = $this->getRawTemplateData();
-
- // Replace the space holder with the template code
- $rawData = str_replace($templateMatches[0][$foundIndex], $code, $rawData);
-
- // Set the new raw data
- $this->setRawTemplateData($rawData);
-
- } // END - if
-
- } // END - foreach
- }
-
- /**
- * Load all extra raw templates
- *
- * @return void
- */
- private function loadExtraRawTemplates () {
- // Are there some raw templates we need to load?
- if (count($this->rawTemplates) > 0) {
- // Try to load all raw templates
- foreach ($this->rawTemplates as $key => $template) {
- try {
- // Load the template
- $this->loadWebTemplate($template);
-
- // Remember it's contents
- $this->rawTemplates[$template] = $this->getRawTemplateData();
-
- // Remove it from the loader list
- unset($this->rawTemplates[$key]);
-
- // Remember this template for recursion detection
- // RECURSIVE PROTECTION!
- $this->loadedTemplates[] = $template;
- } catch (FilePointerNotOpenedException $e) {
- // This template was never found. We silently ignore it
- unset($this->rawTemplates[$key]);
- }
- }
- }
- }
-
- /**
- * Assign all found template variables
- *
- * @param $varMatches An array full of variable/value pairs.
- * @return void
- */
- private function assignAllVariables (array $varMatches) {
- // Search for all variables
- foreach ($varMatches[1] as $key=>$var) {
-
- // Detect leading equals
- if (substr($varMatches[2][$key], 0, 1) == "=") {
- // Remove and cast it
- $varMatches[2][$key] = (string) substr($varMatches[2][$key], 1);
- }
-
- // Do we have some quotes left and right side? Then it is free text
- if ((substr($varMatches[2][$key], 0, 1) == "\"") && (substr($varMatches[2][$key], -1, 1) == "\"")) {
- // Free string detected! Which we can assign directly
- $this->assignVariable($var, $varMatches[3][$key]);
- } elseif (!empty($varMatches[2][$key])) {
- // Non-string found so we need some deeper analysis...
- // @TODO Unfinished work or don't die here.
- die("Deeper analysis not yet implemented!");
- }
-
- } // for ($varMatches ...
- }
- /**
- * Compiles all loaded raw templates
- *
- * @param $templateMatches See method analyzeTemplate() for details
- * @return void
- */
- private function compileRawTemplateData (array $templateMatches) {
- // Are some code-templates found which we need to compile?
- if (count($this->loadedRawData) > 0) {
-
- // Then compile all!
- foreach ($this->loadedRawData as $template=>$code) {
-
- // Is this template already compiled?
- if (in_array($template, $this->compiledTemplates)) {
- // Then skip it
- continue;
- }
-
- // Search for the template
- $foundIndex = array_search($template, $templateMatches[1]);
-
- // Lookup the matching variable data
- if (($foundIndex !== false) && (isset($templateMatches[3][$foundIndex]))) {
-
- // Split it up with another reg. exp. into variable=value pairs
- preg_match_all($this->regExpVarValue, $templateMatches[3][$foundIndex], $varMatches);
-
- // Assign all variables
- $this->assignAllVariables($varMatches);
-
- } // END - if (isset($templateMatches ...
-
- // Compile the loaded template
- $this->compileCode($code, $template);
-
- } // END - foreach ($this->loadedRawData ...
-
- // Insert all templates
- $this->insertAllTemplates($templateMatches);
-
- } // END - if (count($this->loadedRawData) ...
- }
-
- /**
- * Inserts all raw templates into their respective variables
- *
- * @return void
- */
- private function insertRawTemplates () {
- // Load all templates
- foreach ($this->rawTemplates as $template=>$content) {
- // Set the template as a variable with the content
- $this->assignVariable($template, $content);
- }
- }
-
- /**
- * Finalizes the compilation of all template variables
- *
- * @return void
- */
- private function finalizeVariableCompilation () {
- // Get the content
- $content = $this->getRawTemplateData();
-
- // Walk through all variables
- for ($idx = $this->varStack->getIterator(); $idx->valid(); $idx->next()) {
- // Get current entry
- $currEntry = $idx->current();
-
- // Replace all [$var] or {?$var?} with the content
- //* DEBUG: */ echo "name=".$currEntry['name'].", value=<pre>".htmlentities($currEntry['value'])."</pre>\n";
- $content = str_replace("\$content[".$currEntry['name']."]", $currEntry['value'], $content);
- $content = str_replace("[".$currEntry['name']."]", $currEntry['value'], $content);
- $content = str_replace("{?".$currEntry['name']."?}", $currEntry['value'], $content);
- } // END - for
-
- // Set the content back
- $this->setRawTemplateData($content);
- }
-
- /**
- * Getter for raw template data
- *
- * @return $rawTemplateData The raw data from the template
- */
- public final function getRawTemplateData () {
- return $this->rawTemplateData;
- }
-
- /**
- * Getter for compiled templates
- */
- public final function getCompiledData () {
- return $this->compiledData;
- }
-
- /**
- * Load a specified web template into the engine
- *
- * @param $template The web template we shall load which is
- * located in "html" by default
- * @return void
- */
- public final function loadWebTemplate ($template) {
- // Set template type
- $this->setTemplateType($this->getConfigInstance()->readConfig('web_template_type'));
-
- // Load the special template
- $this->loadTemplate($template);
- }
-
- /**
- * Load a specified email template into the engine
- *
- * @param $template The email template we shall load which is
- * located in "emails" by default
- * @return void
- */
- public final function loadEmailTemplate ($template) {
- // Set template type
- $this->setTemplateType($this->getConfigInstance()->readConfig('email_template_type'));
-
- // Load the special template
- $this->loadTemplate($template);
- }
-
- /**
- * Load a specified code template into the engine
- *
- * @param $template The code template we shall load which is
- * located in "code" by default
- * @return void
- */
- public final function loadCodeTemplate ($template) {
- // Set template type
- $this->setTemplateType($this->getConfigInstance()->readConfig('code_template_type'));
-
- // Load the special template
- $this->loadTemplate($template);
- }
-
- /**
- * Compile all variables by inserting their respective values
- *
- * @return void
- */
- public final function compileVariables () {
- // Initialize the $content array
- $validVar = $this->getConfigInstance()->readConfig('tpl_valid_var');
- $dummy = array();
-
- // Iterate through all variables
- for ($idx = $this->varStack->getIterator(); $idx->valid(); $idx->next()) {
-
- // Get current variable from the stack
- $currVariable = $idx->current();
-
- // Transfer it's name/value combination to the $content array
- //* DEBUG: */ echo $currVariable['name']."=<pre>".htmlentities($currVariable['value'])."</pre>\n";
- $dummy[$currVariable['name']] = $currVariable['value'];
-
- }// END - if
-
- // Set the new variable (don't remove the second dollar !)
- $$validVar = $dummy;
-
- // Prepare all configuration variables
- $config = $this->configVariables;
-
- // Remove some variables
- unset($idx);
- unset($currVariable);
-
- // Run the compilation twice to get content from helper classes in
- $cnt = 0;
- while ($cnt < 3) {
- // Finalize the compilation of template variables
- $this->finalizeVariableCompilation();
-
- // Prepare the eval() command for comiling the template
- $eval = sprintf("\$result = \"%s\";",
- addslashes($this->getRawTemplateData())
- );
-
- // This loop does remove the backslashes (\) in PHP parameters
- // @TODO Make this some nicer...
- while (strpos($eval, "<?") !== false) {
- // Get left part before "<?"
- $evalLeft = substr($eval, 0, strpos($eval, "<?"));
-
- // Get all from right of "<?"
- $evalRight = substr($eval, (strpos($eval, "<?") + 2));
-
- // Is this a full PHP tag?
- if (substr(strtolower($evalRight), 0, 3) == "php") {
- // Remove "php" string from full PHP tag
- $evalRight = substr($evalRight, 3);
- } // END - if
-
- // Cut middle part out and remove escapes
- $evalMiddle = trim(substr($evalRight, 0, strpos($evalRight, "?>")));
- $evalMiddle = stripslashes($evalMiddle);
-
- // Remove the middle part from right one
- $evalRight = substr($evalRight, (strpos($evalRight, "?>") + 2));
-
- // And put all together
- $eval = sprintf("%s<%%php %s %%>%s", $evalLeft, $evalMiddle, $evalRight);
- } // END - while
-
- // Prepare PHP code for eval() command
- $eval = str_replace(
- "<%php", "\";",
- str_replace(
- "%>", "\$result .= \"", $eval
- )
- );
-
- // Debug message
- if ((defined('DEBUG_EVAL')) && (is_object($this->getDebugInstance()))) $this->getDebugInstance()->output(sprintf("[%s:] Constructed PHP command: <pre><em>%s</em></pre><br />\n",
- $this->__toString(),
- htmlentities($eval)
- ));
-
- // Run the constructed command. This will "compile" all variables in
- eval($eval);
-
- // Set raw template data
- $this->setRawTemplateData($result);
- $cnt++;
- }
-
- // Set the new content
- $this->setCompiledData($result);
- }
-
- /**
- * Compile all required templates into the current loaded one
- *
- * @return void
- * @throws UnexpectedTemplateTypeException If the template type is
- * not "code"
- * @throws InvalidArrayCountException If an unexpected array
- * count has been found
- */
- public final function compileTemplate () {
- // We will only work with template type "code" from configuration
- if ($this->getTemplateType() != $this->getConfigInstance()->readConfig('code_template_type')) {
- // Abort here
- throw new UnexpectedTemplateTypeException(array($this, $this->getTemplateType(), $this->getConfigInstance()->readConfig('code_template_type')), self::EXCEPTION_TEMPLATE_TYPE_IS_UNEXPECTED);
- } // END - if
-
- // Get the raw data.
- $rawData = $this->getRawTemplateData();
-
- // Remove double spaces and trim leading/trailing spaces
- $rawData = trim(str_replace(" ", " ", $rawData));
-
- // Search for raw variables
- $this->extractVariablesFromRawData($rawData);
-
- // Search for code-tags which are {? ?}
- preg_match_all($this->regExpCodeTags, $rawData, $templateMatches);
-
- // Analyze the matches array
- if ((is_array($templateMatches)) && (count($templateMatches) == 4) && (count($templateMatches[0]) > 0)) {
- // Entries are found:
- //
- // The main analysis
- $this->analyzeTemplate($templateMatches);
-
- // Compile raw template data
- $this->compileRawTemplateData($templateMatches);
-
- // Are there some raw templates left for loading?
- $this->loadExtraRawTemplates();
-
- // Are some raw templates found and loaded?
- if (count($this->rawTemplates) > 0) {
-
- // Insert all raw templates
- $this->insertRawTemplates();
-
- // Remove the raw template content as well
- $this->setRawTemplateData("");
-
- } // END - if
-
- } // END - if($templateMatches ...
- }
-
- /**
- * Output the compiled page to the outside world. In case of web templates
- * this would be vaild (X)HTML code. And in case of email templates this
- * would store a prepared email body inside the template engine.
- *
- * @return void
- */
- public final function output () {
- // Check which type of template we have
- switch ($this->getTemplateType()) {
- case "html": // Raw HTML templates can be send to the output buffer
- // Quick-N-Dirty:
- $this->getWebOutputInstance()->output($this->getCompiledData());
- break;
-
- default: // Unknown type found
- // Construct message
- $msg = sprintf("[%s:] Unknown/unsupported template type <strong>%s</strong> detected.",
- $this->__toString(),
- $this->getTemplateType()
- );
-
- if ((is_object($this->getDebugInstance())) && (method_exists($this->getDebugInstance(), 'output'))) {
- // Use debug output handler
- $this->getDebugInstance()->output($msg);
- die();
- } else {
- // Put directly out
- // DO NOT REWRITE THIS TO app_die() !!!
- die($msg);
- }
- break;
- }
- }
-
- /**
- * Loads a given view helper (by name)
- *
- * @param $helperName The helper's name
- * @return void
- * @throws ViewHelperNotFoundException If the given view helper was not found
- */
- protected function loadViewHelper ($helperName) {
- // Make first character upper case, rest low
- $helperName = ucfirst($helperName);
-
- // Is this view helper loaded?
- if (!isset($this->helpers[$helperName])) {
- // Create a class name
- $className = "{$helperName}ViewHelper";
-
- // Does this class exists?
- if (!class_exists($className)) {
- // Abort here!
- throw new ViewHelperNotFoundException(array($this, $helperName), self::EXCEPTION_INVALID_VIEW_HELPER);
- }
-
- // Generate new instance
- $eval = sprintf("\$this->helpers[%s] = %s::create%s();",
- $helperName,
- $className,
- $className
- );
-
- // Run the code
- eval($eval);
- }
-
- // Return the requested instance
- return $this->helpers[$helperName];
- }
-
- /**
- * Assigns the last loaded raw template content with a given variable
- *
- * @param $templateName Name of the template we want to assign
- * @param $variableName Name of the variable we want to assign
- * @return void
- */
- public function assignTemplateWithVariable ($templateName, $variableName) {
- // Get the content from last loaded raw template
- $content = $this->getRawTemplateData();
-
- // Assign the variable
- $this->assignVariable($variableName, $content);
-
- // Purge raw content
- $this->setRawTemplateData("");
- }
-
- /**
- * Transfers the content of this template engine to a given response instance
- *
- * @param $responseInstance An instance of a response class
- * @return void
- */
- public function transferToResponse (Responseable $responseInstance) {
- // Get the content and set it in the response class
- $responseInstance->writeToBody($this->getCompiledData());
- }
-
- /**
- * Assigns all the application data with template variables
- *
- * @param $appInstance A manageable application instance
- * @return void
- */
- public function assignApplicationData (ManageableApplication $appInstance) {
- // Get long name and assign it
- $this->assignVariable("app_full_name" , $appInstance->getAppName());
-
- // Get short name and assign it
- $this->assignVariable("app_short_name", $appInstance->getAppShortName());
-
- // Get version number and assign it
- $this->assignVariable("app_version" , $appInstance->getAppVersion());
- }
-}
-
-// [EOF]
-?>
projects / mailer.git / blobdiff