X-Git-Url: https://git.mxchange.org/?p=core.git;a=blobdiff_plain;f=inc%2Fclasses%2Fmain%2Ftemplate%2Fclass_BaseTemplateEngine.php;h=ecc71c22a7de080950dc59ca6e3fd2527d37c3ee;hp=207d53eb4f5ce1d1c8bb8a2070156e042f5deed2;hb=bd8a0f8e45a51ded51fd3afb2996c5e29f6852aa;hpb=81d28b14f65e35ece6524eee9ae0b74d6c6117d8

diff --git a/inc/classes/main/template/class_BaseTemplateEngine.php b/inc/classes/main/template/class_BaseTemplateEngine.php
index 207d53eb..ecc71c22 100644
--- a/inc/classes/main/template/class_BaseTemplateEngine.php
+++ b/inc/classes/main/template/class_BaseTemplateEngine.php
@@ -4,7 +4,7 @@
  *
  * @author		Roland Haeder <webmaster@ship-simu.org>
  * @version		0.0.0
- * @copyright	Copyright (c) 2007, 2008 Roland Haeder, this is free software
+ * @copyright	Copyright (c) 2007, 2008 Roland Haeder, 2009, 2010 Core Developer Team
  * @license		GNU GPL 3.0 or any newer version
  * @link		http://www.ship-simu.org
  *
@@ -27,42 +27,47 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 * templates are stored. We will internally determine the language plus
 	 * "html" for web templates or "emails" for email templates
 	 */
-	private $basePath = "";
+	private $templateBasePath = '';
 
 	/**
 	 * Template type
 	 */
-	private $templateType = "html";
+	private $templateType = 'html';
 
 	/**
 	 * The extension for web and email templates (not compiled templates)
 	 */
-	private $templateExtension = ".tpl";
+	private $templateExtension = '.tpl';
 
 	/**
 	 * The extension for code templates (not compiled templates)
 	 */
-	private $codeExtension = ".ctp";
+	private $codeExtension = '.ctp';
 
 	/**
-	 * Path relative to $basePath and language code for compiled code-templates
+	 * Path relative to $templateBasePath and language code for compiled code-templates
 	 */
-	private $compileOutputPath = "templates/_compiled";
+	private $compileOutputPath = 'templates/_compiled/';
+
+	/**
+	 * The path name for all templates
+	 */
+	private $genericBasePath = 'templates/';
 
 	/**
 	 * The raw (maybe uncompiled) template
 	 */
-	private $rawTemplateData = "";
+	private $rawTemplateData = '';
 
 	/**
 	 * Template data with compiled-in variables
 	 */
-	private $compiledData = "";
+	private $compiledData = '';
 
 	/**
 	 * The last loaded template's FQFN for debugging the engine
 	 */
-	private $lastTemplate = "";
+	private $lastTemplate = '';
 
 	/**
 	 * The variable stack for the templates
@@ -116,10 +121,31 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 */
 	private $varGroups = array();
 
+	/**
+	 * Code begin
+	 */
+	private $codeBegin = '<?php';
+
+	/**
+	 * Code end
+	 */
+	private $codeEnd = '?>';
+
+	/**
+	 * Language support is enabled by default
+	 */
+	private $languageSupport = true;
+
+	/**
+	 * XML compacting is disabled by default
+	 */
+	private $xmlCompacting = false;
+
 	// Exception codes for the template engine
 	const EXCEPTION_TEMPLATE_TYPE_IS_UNEXPECTED   = 0x110;
 	const EXCEPTION_TEMPLATE_CONTAINS_INVALID_VAR = 0x111;
 	const EXCEPTION_INVALID_VIEW_HELPER           = 0x112;
+	const EXCEPTION_VARIABLE_IS_MISSING           = 0x113;
 
 	/**
 	 * Protected constructor
@@ -130,32 +156,32 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	protected function __construct ($className) {
 		// Call parent constructor
 		parent::__construct($className);
-
-		// Clean up a little
-		$this->removeNumberFormaters();
-		$this->removeSystemArray();
 	}
 
 	/**
 	 * 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
+	 * @param	$stack	Optional variable stack to look in
+	 * @return	$index	FALSE means not found, >=0 means found on a specific index
 	 */
-	private function isVariableAlreadySet ($var) {
+	private function getVariableIndex ($var, $stack = null) {
 		// First everything is not found
 		$found = false;
 
+		// If the stack is null, use the current group
+		if (is_null($stack)) $stack = $this->currGroup;
+
 		// Is the group there?
-		if (isset($this->varStack[$this->currGroup])) {
+		if ($this->isVarStackSet($stack)) {
 			// Now search for it
-			foreach ($this->varStack[$this->currGroup] as $idx => $currEntry) {
-				//* DEBUG: */ echo __METHOD__.":currGroup={$this->currGroup},idx={$idx},currEntry={$currEntry['name']},var={$var}<br />\n";
+			foreach ($this->getVarStack($stack) as $index => $currEntry) {
+				//* DEBUG: */ echo __METHOD__.":currGroup={$stack},idx={$index},currEntry={$currEntry['name']},var={$var}<br />\n";
 				// Is the entry found?
 				if ($currEntry['name'] == $var) {
 					// Found!
 					//* DEBUG: */ echo __METHOD__.":FOUND!<br />\n";
-					$found = $idx;
+					$found = $index;
 					break;
 				} // END - if
 			} // END - foreach
@@ -165,29 +191,67 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 		return $found;
 	}
 
+	/**
+	 * Checks wether the given variable stack is set
+	 *
+	 * @param	$stack	Variable stack to check
+	 * @return	$isSet	Wether the given variable stack is set
+	 */
+	protected final function isVarStackSet ($stack) {
+		// Check it
+		$isSet = isset($this->varStack[$stack]);
+
+		// Return result
+		return $isSet;
+	}
+
+	/**
+	 * Getter for given variable stack
+	 *
+	 * @param	$stack		Variable stack to check
+	 * @return	$varStack	Found variable stack
+	 */
+	public final function getVarStack ($stack) {
+		return $this->varStack[$stack];
+	}
+
+	/**
+	 * Setter for given variable stack
+	 *
+	 * @param	$stack		Variable stack to check
+	 * @param	$varStack	Variable stack to check
+	 * @return	void
+	 */
+	protected final function setVarStack ($stack, array $varStack) {
+		$this->varStack[$stack]  = $varStack;
+	}
+
 	/**
 	 * Return a content of a variable or null if not found
 	 *
 	 * @param	$var		The variable we are looking for
+	 * @param	$stack		Optional variable stack to look in
 	 * @return	$content	Content of the variable or null if not found
 	 */
-	protected function readVariable ($var) {
+	protected function readVariable ($var, $stack = null) {
 		// First everything is not found
 		$content = null;
 
+		// If the stack is null, use the current group
+		if (is_null($stack)) $stack = $this->currGroup;
+
 		// Get variable index
-		$found = $this->isVariableAlreadySet($var);
+		$found = $this->getVariableIndex($var, $stack);
 
 		// Is the variable found?
 		if ($found !== false) {
 			// Read it
-			$found = $this->varStack[$this->currGroup][$found]['value'];
+			$content = $this->getVariableValue($stack, $found);
 		} // END - if
 
-		//* DEBUG: */ echo __METHOD__.": group=".$this->currGroup.",var=".$var.", found=".$found."<br />\n";
-
 		// Return the current position
-		return $found;
+		//* DEBUG: */ echo __METHOD__.": group=".$stack.",var=".$var.", content[".gettype($content)."]=".$content."<br />\n";
+		return $content;
 	}
 
 	/**
@@ -215,9 +279,9 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 		$result = array();
 
 		// Is the group there?
-		if (isset($this->varStack[$this->currGroup])) {
+		if ($this->isVarStackSet($this->currGroup)) {
 			// Then use it
-			$result = $this->varStack[$this->currGroup];
+			$result = $this->getVarStack($this->currGroup);
 		} // END - if
 
 		// Return result
@@ -229,7 +293,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 *
 	 * @param	$groupName	Name of variable group
 	 * @param	$add		Wether add this group
-	 * @retur4n	void
+	 * @return	void
 	 */
 	public function setVariableGroup ($groupName, $add = true) {
 		// Set group name
@@ -257,13 +321,22 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 		$currVars = $this->readCurrentGroup();
 
 		// Append our variable
-		$currVars[] = array(
-			'name'  => $var,
-			'value' => $value
-		);
+		$currVars[] = $this->generateVariableArray($var, $value);
 
 		// Add it to the stack
-		$this->varStack[$this->currGroup] = $currVars;
+		$this->setVarStack($this->currGroup, $currVars);
+	}
+
+	/**
+	 * Getter for variable value, throws a NoVariableException if the variable is not found
+	 *
+	 * @param	$varGroup	Variable group to use
+	 * @param	$index		Index in variable array
+	 * @return	$value		Value to set
+	 */
+	private function getVariableValue ($varGroup, $index) {
+		// Return it
+		return $this->varStack[$varGroup][$index]['value'];
 	}
 
 	/**
@@ -272,26 +345,85 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 * @param	$var	The variable we are looking for
 	 * @param	$value	The value we want to store in the variable
 	 * @return	void
+	 * @throws	NoVariableException	If the given variable is not found
 	 */
 	private function modifyVariable ($var, $value) {
 		// Get index for variable
-		$idx = $this->isVariableAlreadySet($var);
+		$index = $this->getVariableIndex($var);
 
 		// Is the variable set?
-		if ($idx !== false) {
-			// Then modify it
-			$this->varStack[$this->currGroup][$idx]['value'] = $value;
+		if ($index === false) {
+			// Unset variables cannot be modified
+			throw new NoVariableException(array($this, $var, $value), self::EXCEPTION_VARIABLE_IS_MISSING);
 		} // END - if
+
+		// Then modify it
+		$this->setVariableValue($this->currGroup, $index, $value);
+	}
+
+	/**
+	 * Sets a variable value for given variable group and index
+	 *
+	 * @param	$varGroup	Variable group to use
+	 * @param	$index		Index in variable array
+	 * @param	$value		Value to set
+	 * @return	void
+	 */
+	private function setVariableValue ($varGroup, $index, $value) {
+		$this->varStack[$varGroup][$index]['value'] = $value;
+	}
+
+	/**
+	 * Sets a variable within given group. This method does detect if the
+	 * variable is already set. If so, the variable got modified, otherwise
+	 * added.
+	 *
+	 * @param	$varGroup	Variable group to use
+	 * @param	$var		Variable to set
+	 * @param	$value		Value to set
+	 * @return	void
+	 */
+	protected function setVariable ($varGroup, $var, $value) {
+		// Get index for variable
+		$index = $this->getVariableIndex($var);
+
+		// Is the variable set?
+		if ($index === false) {
+			// Not found, add it
+			$this->varStack[$varGroup][] = $this->generateVariableArray($var, $value);
+		} else {
+			// Then modify it
+			$this->setVariableValue($this->currGroup, $index, $value);
+		}
 	}
 
 	/**
-	 * Setter for template type. Only "html", "emails" and "compiled" should
+	 * "Generates" (better returns) an array for all variables for given
+	 * variable/value pay.
+	 *
+	 * @param	$var		Variable to set
+	 * @param	$value		Value to set
+	 * @return	$varData	Variable data array
+	 */
+	private function generateVariableArray ($var, $value) {
+		// Generate the temporary array
+		$varData = array(
+			'name'  => $var,
+			'value' => $value
+		);
+
+		// And return it
+		return $varData;
+	}
+
+	/**
+	 * 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) {
+	protected final function setTemplateType ($templateType) {
 		$this->templateType = (string) $templateType;
 	}
 
@@ -317,22 +449,32 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	/**
 	 * Setter for base path
 	 *
-	 * @param		$basePath		The local base path for all templates
+	 * @param		$templateBasePath		The relative base path for all templates
 	 * @return	void
 	 */
-	public final function setBasePath ($basePath) {
+	public final function setTemplateBasePath ($templateBasePath) {
 		// And set it
-		$this->basePath = (string) $basePath;
+		$this->templateBasePath = (string) $templateBasePath;
 	}
 
 	/**
 	 * Getter for base path
 	 *
-	 * @return	$basePath		The local base path for all templates
+	 * @return	$templateBasePath		The relative base path for all templates
+	 */
+	public final function getTemplateBasePath () {
+		// And set it
+		return $this->templateBasePath;
+	}
+
+	/**
+	 * Getter for generic base path
+	 *
+	 * @return	$templateBasePath		The relative base path for all templates
 	 */
-	public final function getBasePath () {
+	public final function getGenericBasePath () {
 		// And set it
-		return $this->basePath;
+		return $this->genericBasePath;
 	}
 
 	/**
@@ -421,10 +563,10 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 		} // END - if
 
 		// First search for the variable if it was already added
-		$idx = $this->isVariableAlreadySet($var);
+		$index = $this->getVariableIndex($var);
 
 		// Was it found?
-		if ($idx === false) {
+		if ($index === false) {
 			// Add it to the stack
 			//* DEBUG: */ echo "ADD: ".$var."<br />\n";
 			$this->addVariable($var, $value);
@@ -443,13 +585,13 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 */
 	public final function removeVariable ($var) {
 		// First search for the variable if it was already added
-		$idx = $this->isVariableAlreadySet($var);
+		$index = $this->getVariableIndex($var);
 
 		// Was it found?
-		if ($idx !== false) {
+		if ($index !== false) {
 			// Remove this variable
-			$this->varStack->offsetUnset($idx);
-		}
+			$this->varStack->offsetUnset($index);
+		} // END - if
 	}
 
 	/**
@@ -460,8 +602,8 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 */
 	protected final function setRawTemplateData ($rawTemplateData) {
 		// And store it in this class
-		//* DEBUG: */ echo __METHOD__.":".$this->getUniqueId().": ".strlen($rawTemplateData)." Bytes set.<br />\n";
-		//* DEBUG: */ echo $this->currGroup." variables: ".count($this->varStack[$this->currGroup]).", groups=".count($this->varStack)."<br />\n";
+		//* DEBUG: */ echo __METHOD__.':'.$this->getUniqueId().': '.strlen($rawTemplateData).' Bytes set.<br />\n';
+		//* DEBUG: */ echo $this->currGroup.' variables: '.count($this->getVarStack($this->currGroup)).', groups='.count($this->varStack).'<br />\n';
 		$this->rawTemplateData = (string) $rawTemplateData;
 	}
 
@@ -471,7 +613,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 * @return	$rawTemplateData	The raw data from the template
 	 */
 	public final function getRawTemplateData () {
-		//* DEBUG: */ echo __METHOD__.":".$this->getUniqueId().": ".strlen($this->rawTemplateData)." Bytes read.<br />\n";
+		//* DEBUG: */ echo __METHOD__.':'.$this->getUniqueId().': '.strlen($this->rawTemplateData).' Bytes read.<br />\n';
 		return $this->rawTemplateData;
 	}
 
@@ -482,7 +624,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 */
 	private final function setCompiledData ($compiledData) {
 		// And store it in this class
-		//* DEBUG: */ echo __METHOD__.":".$this->getUniqueId().": ".strlen($compiledData)." Bytes set.<br />\n";
+		//* DEBUG: */ echo __METHOD__.':'.$this->getUniqueId().': '.strlen($compiledData).' Bytes set.<br />\n';
 		$this->compiledData = (string) $compiledData;
 	}
 
@@ -492,7 +634,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 * @return	$compiledData	Compiled template data
 	 */
 	public final function getCompiledData () {
-		//* DEBUG: */ echo __METHOD__.":".$this->getUniqueId().": ".strlen($this->compiledData)." Bytes read.<br />\n";
+		//* DEBUG: */ echo __METHOD__.':'.$this->getUniqueId().': '.strlen($this->compiledData).' Bytes read.<br />\n';
 		return $this->compiledData;
 	}
 
@@ -500,29 +642,62 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 * Private loader for all template types
 	 *
 	 * @param	$template	The template we shall load
+	 * @param	$extOther	An other extension to use
 	 * @return	void
+	 * @throws	FileIoException	If the template was not found
 	 */
-	private function loadTemplate ($template) {
-		// Get extension for the template
-		$ext = $this->getRawTemplateExtension();
+	protected function loadTemplate ($template, $extOther = '') {
+		// Get extension for the template if empty
+		if (empty($extOther)) {
+			// None provided, so get the raw one
+			$ext = $this->getRawTemplateExtension();
+		} else {
+			// Then use it!
+			$ext = (string) $extOther;
+		}
 
-		// 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 = $this->getCodeTemplateExtension();
-		} // END - if
+		// Is language support enabled?
+		if ($this->isLanguageSupportEnabled()) {
+			// Construct the FQFN for the template by honoring the current language
+			$fqfn = sprintf("%s%s%s%s/%s/%s%s",
+				$this->getConfigInstance()->getConfigEntry('base_path'),
+				$this->getTemplateBasePath(),
+				$this->getGenericBasePath(),
+				$this->getLanguageInstance()->getLanguageCode(),
+				$this->getTemplateType(),
+				(string) $template,
+				$ext
+			);
+		} else {
+			// Construct the FQFN for the template without language
+			$fqfn = sprintf("%s%s%s%s/%s%s",
+				$this->getConfigInstance()->getConfigEntry('base_path'),
+				$this->getTemplateBasePath(),
+				$this->getGenericBasePath(),
+				$this->getTemplateType(),
+				(string) $template,
+				$ext
+			);
+		}
 
-		// 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(),
-			(string) $template,
-			$ext
-		);
+		// First try this
+		try {
+			// Load the raw template data
+			$this->loadRawTemplateData($fqfn);
+		} catch (FileIoException $e) {
+			// If we shall load a code-template we need to switch the file extension
+			if (($this->getTemplateType() != $this->getConfigInstance()->getConfigEntry('web_template_type')) && (empty($extOther))) {
+				// Switch over to the code-template extension and try it again
+				$ext = $this->getCodeTemplateExtension();
+
+				// Try it again...
+				$this->loadTemplate($template, $ext);
+			} else {
+				// Throw it again
+				throw new FileIoException($fqfn, FrameworkFileInputPointer::EXCEPTION_FILE_NOT_FOUND);
+			}
+		}
 
-		// Load the raw template data
-		$this->loadRawTemplateData($fqfn);
 	}
 
 	/**
@@ -560,7 +735,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 		// Is it not a config variable?
 		if ($varName != 'config') {
 			// Regular template variables
-			$this->assignVariable($var, "");
+			$this->assignVariable($var, '');
 		} else {
 			// Configuration variables
 			$this->assignConfigVariable($var);
@@ -606,9 +781,9 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 * 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 ":"
+	 * [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
@@ -626,15 +801,15 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 
 				// Template not found, but maybe variable assigned?
 				//* DEBUG: */ echo __METHOD__.":template={$template}<br />\n";
-				if ($this->isVariableAlreadySet($template) !== false) {
+				if ($this->getVariableIndex($template) !== false) {
 					// Use that content here
 					$this->loadedRawData[$template] = $this->readVariable($template);
 
 					// Recursive protection:
 					$this->loadedTemplates[] = $template;
-				} elseif (isset($this->varStack['config'][$template])) {
+				} elseif ($this->getVariableIndex($template, 'config')) {
 					// Use that content here
-					$this->loadedRawData[$template] = $this->varStack['config'][$template];
+					$this->loadedRawData[$template] = $this->readVariable($template, 'config');
 
 					// Recursive protection:
 					$this->loadedTemplates[] = $template;
@@ -648,10 +823,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 						// Remember this template for recursion detection
 						// RECURSIVE PROTECTION!
 						$this->loadedTemplates[] = $template;
-					} catch (FileNotFoundException $e) {
-						// Even this is not done... :/
-						$this->rawTemplates[] = $template;
-					} catch (FilePointerNotOpenedException $e) {
+					} catch (FileIoException $e) {
 						// Even this is not done... :/
 						$this->rawTemplates[] = $template;
 					}
@@ -750,10 +922,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 					// Remember this template for recursion detection
 					// RECURSIVE PROTECTION!
 					$this->loadedTemplates[] = $template;
-				} catch (FileNotFoundException $e) {
-					// This template was never found. We silently ignore it
-					unset($this->rawTemplates[$key]);
-				} catch (FilePointerNotOpenedException $e) {
+				} catch (FileIoException $e) {
 					// This template was never found. We silently ignore it
 					unset($this->rawTemplates[$key]);
 				}
@@ -773,18 +942,18 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 		foreach ($varMatches[1] as $key => $var) {
 
 			// Detect leading equals
-			if (substr($varMatches[2][$key], 0, 1) == "=") {
+			if (substr($varMatches[2][$key], 0, 1) == '=') {
 				// Remove and cast it
 				$varMatches[2][$key] = (string) substr($varMatches[2][$key], 1);
-			}
+			} // END - if
 
 			// 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...
-				die("Deeper analysis not yet implemented!");
+				// @TODO Non-string found so we need some deeper analysis...
+				ApplicationEntryPoint::app_die('Deeper analysis not yet implemented!');
 			}
 
 		} // for ($varMatches ...
@@ -792,7 +961,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	/**
 	 * Compiles all loaded raw templates
 	 *
-	 * @param		$templateMatches	See method analyzeTemplate() for details
+	 * @param	$templateMatches	See method analyzeTemplate() for details
 	 * @return	void
 	 */
 	private function compileRawTemplateData (array $templateMatches) {
@@ -854,23 +1023,30 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	private function finalizeVariableCompilation () {
 		// Get the content
 		$content = $this->getRawTemplateData();
-		//* DEBUG: */ echo __METHOD__.": content before=".strlen($content)." (".md5($content).")<br />\n";
+		//* DEBUG: */ echo __METHOD__.': content before='.strlen($content).' ('.md5($content).')<br />\n';
+
+		// Do we have the stack?
+		if (!$this->isVarStackSet('general')) {
+			// Abort here silently
+			// @TODO This silent abort should be logged, maybe.
+			return;
+		} // END - if
 
 		// Walk through all variables
-		foreach ($this->varStack['general'] as $currEntry) {
-			//* DEBUG: */ echo __METHOD__.": name=".$currEntry['name'].", value=<pre>".htmlentities($currEntry['value'])."</pre>\n";
+		foreach ($this->getVarStack('general') as $currEntry) {
+			//* DEBUG: */ echo __METHOD__.': name='.$currEntry['name'].', value=<pre>'.htmlentities($currEntry['value']).'</pre>\n';
 			// Replace all [$var] or {?$var?} with the content
-			// Old behaviour, will become obsolete!
-			$content = str_replace("\$content[".$currEntry['name']."]", $currEntry['value'], $content);
+			// @TODO Old behaviour, will become obsolete!
+			$content = str_replace('$content[' . $currEntry['name'] . ']', $currEntry['value'], $content);
 
-			// Yet another old way
-			$content = str_replace("[".$currEntry['name']."]", $currEntry['value'], $content);
+			// @TODO Yet another old way
+			$content = str_replace('[' . $currEntry['name'] . ']', $currEntry['value'], $content);
 
 			// The new behaviour
-			$content = str_replace("{?".$currEntry['name']."?}", $currEntry['value'], $content);
+			$content = str_replace('{?' . $currEntry['name'] . '?}', $currEntry['value'], $content);
 		} // END - for
 
-		//* DEBUG: */ echo __METHOD__.": content after=".strlen($content)." (".md5($content).")<br />\n";
+		//* DEBUG: */ echo __METHOD__.': content after='.strlen($content).' ('.md5($content).')<br />\n';
 
 		// Set the content back
 		$this->setRawTemplateData($content);
@@ -880,12 +1056,12 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 * Load a specified web template into the engine
 	 *
 	 * @param	$template	The web template we shall load which is located in
-	 *						"html" by default
+	 *						'html' by default
 	 * @return	void
 	 */
 	public function loadWebTemplate ($template) {
 		// Set template type
-		$this->setTemplateType($this->getConfigInstance()->readConfig('web_template_type'));
+		$this->setTemplateType($this->getConfigInstance()->getConfigEntry('web_template_type'));
 
 		// Load the special template
 		$this->loadTemplate($template);
@@ -899,38 +1075,51 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 */
 	public function assignConfigVariable ($var) {
 		// Sweet and simple...
-		//* DEBUG: */ echo __METHOD__.":var={$var}<br />\n";
-		$this->varStack['config'][$var] = $this->getConfigInstance()->readConfig($var);
+		//* DEBUG: */ echo __METHOD__.':var={$var}<br />\n';
+		$this->setVariable('config', $var, $this->getConfigInstance()->getConfigEntry($var));
 	}
 
 	/**
-	 * Load a specified email template into the engine
+	 * Load a specified code template into the engine
 	 *
-	 * @param	$template	The email template we shall load which is located in
-	 *						"emails" by default
+	 * @param	$template	The code template we shall load which is
+	 *						located in 'code' by default
 	 * @return	void
 	 */
-	public function loadEmailTemplate ($template) {
+	public function loadCodeTemplate ($template) {
 		// Set template type
-		$this->setTemplateType($this->getConfigInstance()->readConfig('email_template_type'));
+		$this->setTemplateType($this->getConfigInstance()->getConfigEntry('code_template_type'));
 
 		// Load the special template
 		$this->loadTemplate($template);
 	}
 
 	/**
-	 * Load a specified code template into the engine
+	 * Compiles configuration place-holders in all variables. This 'walks'
+	 * through the variable stack 'general'. It interprets all values from that
+	 * variables as configuration entries after compiling them.
 	 *
-	 * @param	$template	The code template we shall load which is
-	 *						located in "code" by default
 	 * @return	void
 	 */
-	public function loadCodeTemplate ($template) {
-		// Set template type
-		$this->setTemplateType($this->getConfigInstance()->readConfig('code_template_type'));
+	public final function compileConfigInVariables () {
+		// Do we have the stack?
+		if (!$this->isVarStackSet('general')) {
+			// Abort here silently
+			// @TODO This silent abort should be logged, maybe.
+			return;
+		} // END - if
 
-		// Load the special template
-		$this->loadTemplate($template);
+		// Iterate through all general variables
+		foreach ($this->getVarStack('general') as $index=>$currVariable) {
+			// Compile the value
+			$value = $this->compileRawCode($this->readVariable($currVariable['name']), true);
+
+			// Remove it from stack
+			$this->removeVariable($index, 'general');
+
+			// Re-assign the variable
+			$this->assignConfigVariable($value);
+		} // END - foreach
 	}
 
 	/**
@@ -941,13 +1130,13 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 */
 	public final function compileVariables () {
 		// Initialize the $content array
-		$validVar = $this->getConfigInstance()->readConfig('tpl_valid_var');
+		$validVar = $this->getConfigInstance()->getConfigEntry('tpl_valid_var');
 		$dummy = array();
 
 		// Iterate through all general variables
-		foreach ($this->varStack['general'] as $currVariable) {
+		foreach ($this->getVarStack('general') as $currVariable) {
 			// Transfer it's name/value combination to the $content array
-			//* DEBUG: */ echo $currVariable['name']."=<pre>".htmlentities($currVariable['value'])."</pre>\n";
+			//* DEBUG: */ echo $currVariable['name'].'=<pre>'.htmlentities($currVariable['value']).'</pre>\n';
 			$dummy[$currVariable['name']] = $currVariable['value'];
 		}// END - if
 
@@ -956,15 +1145,15 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 
 		// Prepare all configuration variables
 		$config = null;
-		if (isset($this->varStack['config'])) {
-			$config = $this->varStack['config'];
+		if ($this->isVarStackSet('config')) {
+			$config = $this->getVarStack('config');
 		} // END - if
 
 		// Remove some variables
-		unset($idx);
+		unset($index);
 		unset($currVariable);
 
-		// Run the compilation twice to get content from helper classes in
+		// Run the compilation three times to get content from helper classes in
 		$cnt = 0;
 		while ($cnt < 3) {
 			// Finalize the compilation of template variables
@@ -976,19 +1165,19 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 			);
 
 			// This loop does remove the backslashes (\) in PHP parameters
-			while (strpos($eval, "<?php") !== false) {
+			while (strpos($eval, $this->codeBegin) !== false) {
 				// Get left part before "<?"
-				$evalLeft = substr($eval, 0, strpos($eval, "<?php"));
+				$evalLeft = substr($eval, 0, strpos($eval, $this->codeBegin));
 
 				// Get all from right of "<?"
-				$evalRight = substr($eval, (strpos($eval, "<?php") + 5));
+				$evalRight = substr($eval, (strpos($eval, $this->codeBegin) + 5));
 
 				// Cut middle part out and remove escapes
-				$evalMiddle = trim(substr($evalRight, 0, strpos($evalRight, "?>")));
+				$evalMiddle = trim(substr($evalRight, 0, strpos($evalRight, $this->codeEnd)));
 				$evalMiddle = stripslashes($evalMiddle);
 
 				// Remove the middle part from right one
-				$evalRight = substr($evalRight, (strpos($evalRight, "?>") + 2));
+				$evalRight = substr($evalRight, (strpos($evalRight, $this->codeEnd) + 2));
 
 				// And put all together
 				$eval = sprintf("%s<%%php %s %%>%s", $evalLeft, $evalMiddle, $evalRight);
@@ -998,15 +1187,17 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 			$eval = str_replace(
 				"<%php", "\";",
 				str_replace(
-					"%>", "\n\$result .= \"", $eval
+					"%>",
+					"\n\$result .= \"",
+					$eval
 				)
 			);
 
 			// Run the constructed command. This will "compile" all variables in
-			@eval($eval);
+			eval($eval);
 
 			// Goes something wrong?
-			if (!isset($result)) {
+			if ((!isset($result)) || (empty($result))) {
 				// Output eval command
 				$this->debugOutput(sprintf("Failed eval() code: <pre>%s</pre>", $this->markupCode($eval, true)), true);
 
@@ -1037,16 +1228,16 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 */
 	public function compileTemplate () {
 		// We will only work with template type "code" from configuration
-		if ($this->getTemplateType() != $this->getConfigInstance()->readConfig('code_template_type')) {
+		if ($this->getTemplateType() != $this->getConfigInstance()->getConfigEntry('code_template_type')) {
 			// Abort here
-			throw new UnexpectedTemplateTypeException(array($this, $this->getTemplateType(), $this->getConfigInstance()->readConfig('code_template_type')), self::EXCEPTION_TEMPLATE_TYPE_IS_UNEXPECTED);
+			throw new UnexpectedTemplateTypeException(array($this, $this->getTemplateType(), $this->getConfigInstance()->getConfigEntry('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));
+		$rawData = trim(str_replace('  ', ' ', $rawData));
 
 		// Search for raw variables
 		$this->extractVariablesFromRawData($rawData);
@@ -1074,48 +1265,18 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 				$this->insertRawTemplates();
 
 				// Remove the raw template content as well
-				$this->setRawTemplateData("");
+				$this->setRawTemplateData('');
 
 			} // END - if
 
 		} // END - if($templateMatches ...
 	}
 
-	/**
-	 * A old deprecated method
-	 *
-	 * @return	void
-	 * @deprecated
-	 * @see		BaseTemplateEngine::transferToResponse
-	 */
-	public 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-&gt;%s] Unknown/unsupported template type <span class=\"data\">%s</span> detected.",
-				$this->__toString(),
-				__FUNCTION__,
-				$this->getTemplateType()
-			);
-
-			// Write the problem to the world...
-			$this->debugOutput($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
@@ -1126,21 +1287,8 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 			// 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);
-			} // END - if
-
 			// Generate new instance
-			$eval = sprintf("\$this->helpers[%s] = %s::create%s();",
-				$helperName,
-				$className,
-				$className
-			);
-
-			// Run the code
-			eval($eval);
+			$this->helpers[$helperName] = ObjectFactory::createObjectByName($className);
 		} // END - if
 
 		// Return the requested instance
@@ -1162,7 +1310,7 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 		$this->assignVariable($variableName, $content);
 
 		// Purge raw content
-		$this->setRawTemplateData("");
+		$this->setRawTemplateData('');
 	}
 
 	/**
@@ -1199,29 +1347,38 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	/**
 	 * "Compiles" a variable by replacing {?var?} with it's content
 	 *
-	 * @param	$rawCode	Raw code to compile
+	 * @param	$rawCode			Raw code to compile
+	 * @param	$setMatchAsCode		Sets $match if readVariable() returns empty result
 	 * @return	$rawCode	Compile code with inserted variable value
 	 */
-	public function compileRawCode ($rawCode) {
+	public function compileRawCode ($rawCode, $setMatchAsCode=false) {
 		// Find the variables
-		//* DEBUG: */ echo "rawCode=<pre>".htmlentities($rawCode)."</pre>\n";
+		//* DEBUG: */ echo __METHOD__.":rawCode=<pre>".htmlentities($rawCode)."</pre>\n";
 		preg_match_all($this->regExpVarValue, $rawCode, $varMatches);
 
 		// Compile all variables
-		//* DEBUG: */ echo "<pre>".print_r($varMatches, true)."</pre>";
+		//* DEBUG: */ echo __METHOD__.":<pre>".print_r($varMatches, true)."</pre>\n";
 		foreach ($varMatches[0] as $match) {
 			// Add variable tags around it
-			$varCode = "{?".$match."?}";
+			$varCode = '{?' . $match . '?}';
 
 			// Is the variable found in code? (safes some calls)
 			if (strpos($rawCode, $varCode) !== false) {
 				// Replace the variable with it's value, if found
-				//* DEBUG: */ echo __METHOD__.": match=".$match."<br />\n";
-				$rawCode = str_replace($varCode, $this->readVariable($match), $rawCode);
+				$value = $this->readVariable($match);
+				//* DEBUG: */ echo __METHOD__.": match=".$match.",value[".gettype($value)."]=".$value."<br />\n";
+				if (($setMatchAsCode === true) && (is_null($value))) {
+					// Insert match
+					$rawCode = str_replace($varCode, $match, $rawCode);
+				} else {
+					// Insert value
+					$rawCode = str_replace($varCode, $value, $rawCode);
+				}
 			} // END - if
 		} // END - foreach
 
 		// Return the compiled data
+		//* DEBUG: */ echo __METHOD__.":rawCode=<pre>".htmlentities($rawCode)."</pre>\n";
 		return $rawCode;
 	}
 
@@ -1260,38 +1417,62 @@ class BaseTemplateEngine extends BaseFrameworkSystem {
 	 * @return	void
 	 * @throws	XmlParserException	If an XML error was found
 	 */
-	public final function renderXmlContent ($content = null) {
+	public function renderXmlContent ($content = null) {
 		// Is the content set?
 		if (is_null($content)) {
 			// Get current content
 			$content = $this->getRawTemplateData();
 		} // END - if
 
-		// Convert all to UTF8
-		$content = recode("html..utf8", $content);
+		// Get a XmlParser instance
+		$parserInstance = ObjectFactory::createObjectByConfiguredName('xml_parser_class', array($this));
 
-		// Get an XML parser
-		$xmlParser = xml_parser_create();
+		// Check if we have XML compacting enabled
+		if ($this->isXmlCompactingEnabled()) {
+			// Yes, so get a decorator class for transparent compacting
+			$parserInstance = ObjectFactory::createObjectByConfiguredName('deco_compacting_xml_parser_class', array($parserInstance));
+		} // END - if
 
-		// Force case-folding to on
-		xml_parser_set_option($xmlParser, XML_OPTION_CASE_FOLDING, true);
+		// Parse the XML document
+		$parserInstance->parseXmlContent($content);
+	}
 
-		// Set object
-		xml_set_object($xmlParser, $this);
+	/**
+	 * Enables or disables language support
+	 *
+	 * @param	$languageSupport	New language support setting
+	 * @return	void
+	 */
+	public final function enableLanguageSupport ($languageSupport = true) {
+		$this->languageSupport = (bool) $languageSupport;
+	}
 
-		// Set handler call-backs
-		xml_set_element_handler($xmlParser, 'startElement', 'endElement');
-		xml_set_character_data_handler($xmlParser, 'characterHandler');
+	/**
+	 * Checks wether language support is enabled
+	 *
+	 * @return	$languageSupport	Wether language support is enabled or disabled
+	 */
+	public final function isLanguageSupportEnabled () {
+		return $this->languageSupport;
+	}
 
-		// Now parse the XML tree
-		if (!xml_parse($xmlParser, $content)) {
-			// Error found in XML!
-			//die("<pre>".htmlentities($content)."</pre>");
-			throw new XmlParserException(array($this, $xmlParser), BaseHelper::EXCEPTION_XML_PARSER_ERROR);
-		} // END - if
+	/**
+	 * Enables or disables XML compacting
+	 *
+	 * @param	$xmlCompacting	New XML compacting setting
+	 * @return	void
+	 */
+	public final function enableXmlCompacting ($xmlCompacting = true) {
+		$this->xmlCompacting = (bool) $xmlCompacting;
+	}
 
-		// Free the parser
-		xml_parser_free($xmlParser);
+	/**
+	 * Checks wether XML compacting is enabled
+	 *
+	 * @return	$xmlCompacting	Wether XML compacting is enabled or disabled
+	 */
+	public final function isXmlCompactingEnabled () {
+		return $this->xmlCompacting;
 	}
 }