--- /dev/null
+<?php
+/**
+ * An SelfConnect template engine class
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @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
+ * @todo This template engine does not make use of setTemplateType()
+ *
+ * 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 SelfConnectTemplateEngine extends BaseTemplateEngine implements CompileableTemplate {
+ /**
+ * Main nodes in the XML tree ('menu' is ignored)
+ */
+ private $mainNodes = array(
+ 'self-connect',
+ );
+
+ /**
+ * Sub nodes in the XML tree
+ */
+ private $subNodes = array(
+ 'self-connect-data',
+ 'node-id',
+ 'session-id'
+ );
+
+ /**
+ * Current main node
+ */
+ private $curr = array();
+
+ /**
+ * Content from dependency
+ */
+ private $dependencyContent = array();
+
+ /**
+ * Protected constructor
+ *
+ * @return void
+ */
+ protected function __construct () {
+ // Call parent constructor
+ parent::__construct(__CLASS__);
+ }
+
+ /**
+ * Creates an instance of the class TemplateEngine and prepares it for usage
+ *
+ * @param $appInstance A manageable application
+ * @return $templateInstance An instance of TemplateEngine
+ * @throws BasePathIsEmptyException If the provided $templateBasePath is empty
+ * @throws InvalidBasePathStringException If $templateBasePath is no string
+ * @throws BasePathIsNoDirectoryException If $templateBasePath is no
+ * directory or not found
+ * @throws BasePathReadProtectedException If $templateBasePath is
+ * read-protected
+ */
+ public final static function createSelfConnectTemplateEngine (ManageableApplication $appInstance) {
+ // Get a new instance
+ $templateInstance = new SelfConnectTemplateEngine();
+
+ // Get language and file I/O instances from application
+ $langInstance = $appInstance->getLanguageInstance();
+ $ioInstance = $appInstance->getFileIoInstance();
+
+ // Determine base path
+ $templateBasePath = $templateInstance->getConfigInstance()->getConfigEntry('application_base_path') . $appInstance->getRequestInstance()->getRequestElement('app') . '/';
+
+ // Is the base path valid?
+ if (empty($templateBasePath)) {
+ // Base path is empty
+ throw new BasePathIsEmptyException($templateInstance, self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
+ } elseif (!is_string($templateBasePath)) {
+ // Is not a string
+ throw new InvalidBasePathStringException(array($templateInstance, $templateBasePath), self::EXCEPTION_INVALID_STRING);
+ } elseif (!is_dir($templateBasePath)) {
+ // Is not a path
+ throw new BasePathIsNoDirectoryException(array($templateInstance, $templateBasePath), self::EXCEPTION_INVALID_PATH_NAME);
+ } elseif (!is_readable($templateBasePath)) {
+ // Is not readable
+ throw new BasePathReadProtectedException(array($templateInstance, $templateBasePath), self::EXCEPTION_READ_PROTECED_PATH);
+ }
+
+ // Set the base path
+ $templateInstance->setTemplateBasePath($templateBasePath);
+
+ // Set the language and IO instances
+ $templateInstance->setLanguageInstance($langInstance);
+ $templateInstance->setFileIoInstance($ioInstance);
+
+ // Set template extensions
+ $templateInstance->setRawTemplateExtension($templateInstance->getConfigInstance()->getConfigEntry('raw_template_extension'));
+ $templateInstance->setCodeTemplateExtension($templateInstance->getConfigInstance()->getConfigEntry('self_connect_template_extension'));
+
+ // Absolute output path for compiled templates
+ $templateInstance->setCompileOutputPath($templateInstance->getConfigInstance()->getConfigEntry('base_path') . $templateInstance->getConfigInstance()->getConfigEntry('compile_output_path'));
+
+ // Init a variable stacker
+ $stackerInstance = ObjectFactory::createObjectByConfiguredName('self_connect_stacker_class');
+
+ // Set it
+ $templateInstance->setStackerInstance($stackerInstance);
+
+ // Return the prepared instance
+ return $templateInstance;
+ }
+
+ /**
+ * Load a specified self-connect template into the engine
+ *
+ * @param $template The self-connect template we shall load which is
+ * located in 'self_connect' by default
+ * @return void
+ */
+ public function loadSelfConnectTemplate ($template = 'self_connect') {
+ // Set template type
+ $this->setTemplateType($this->getConfigInstance()->getConfigEntry('self_connect_template_type'));
+
+ // Load the special template
+ $this->loadTemplate($template);
+ }
+
+ /**
+ * Getter for current main node
+ *
+ * @return $currMainNode Current main node
+ */
+ public final function getCurrMainNode () {
+ return $this->curr['main_node'];
+ }
+
+ /**
+ * Setter for current main node
+ *
+ * @param $element Element name to set as current main node
+ * @return $currMainNode Current main node
+ */
+ private final function setCurrMainNode ($element) {
+ $this->curr['main_node'] = (string) $element;
+ }
+
+ /**
+ * Getter for main node array
+ *
+ * @return $mainNodes Array with valid main node names
+ */
+ public final function getMainNodes () {
+ return $this->mainNodes;
+ }
+
+ /**
+ * Getter for sub node array
+ *
+ * @return $subNodes Array with valid sub node names
+ */
+ public final function getSubNodes () {
+ return $this->subNodes;
+ }
+
+ /**
+ * Handles the start element of an XML resource
+ *
+ * @param $resource XML parser resource (currently ignored)
+ * @param $element The element we shall handle
+ * @param $attributes All attributes
+ * @return void
+ * @throws InvalidXmlNodeException If an unknown/invalid XML node name was found
+ */
+ public function startElement ($resource, $element, array $attributes) {
+ // Initial method name which will never be called...
+ $methodName = 'initSelfConnect';
+
+ // Make the element name lower-case
+ $element = strtolower($element);
+
+ // Is the element a main node?
+ //* DEBUG: */ echo "START: >".$element."<<br />\n";
+ if (in_array($element, $this->getMainNodes())) {
+ // Okay, main node found!
+ $methodName = 'start' . $this->convertToClassName($element);
+
+ // Set it
+ $this->setCurrMainNode($element);
+ } elseif (in_array($element, $this->getSubNodes())) {
+ // Sub node found
+ $methodName = 'start' . $this->convertToClassName($element);
+ } else {
+ // Invalid node name found
+ throw new InvalidXmlNodeException(array($this, $element, $attributes), XmlParser::EXCEPTION_XML_NODE_UNKNOWN);
+ }
+
+ // Call method
+ //* DEBUG: */ echo "call: ".$methodName."<br />\n";
+ call_user_func_array(array($this, $methodName), $attributes);
+ }
+
+ /**
+ * Ends the main or sub node by sending out the gathered data
+ *
+ * @param $resource An XML resource pointer (currently ignored)
+ * @param $nodeName Name of the node we want to finish
+ * @return void
+ * @throws XmlNodeMismatchException If current main node mismatches the closing one
+ */
+ public function endElement ($resource, $nodeName) {
+ // Make all lower-case
+ $nodeName = strtolower($nodeName);
+
+ // Does this match with current main node?
+ //* DEBUG: */ echo "END: >".$nodeName."<<br />\n";
+ if (($nodeName != $this->getCurrMainNode()) && (in_array($nodeName, $this->getMainNodes()))) {
+ // Did not match!
+ throw new XmlNodeMismatchException (array($this, $nodeName, $this->getCurrMainNode()), XmlParser::EXCEPTION_XML_NODE_MISMATCH);
+ } // END - if
+
+ // Construct method name
+ $methodName = 'finish' . $this->convertToClassName($nodeName);
+
+ // Call the corresponding method
+ //* DEBUG: */ echo "call: ".$methodName."<br />\n";
+ call_user_func_array(array($this, $methodName), array());
+ }
+
+ /**
+ * Currently not used
+ *
+ * @param $resource XML parser resource (currently ignored)
+ * @param $characters Characters to handle
+ * @return void
+ * @todo Find something useful with this!
+ */
+ public function characterHandler ($resource, $characters) {
+ // Trim all spaces away
+ $characters = trim($characters);
+
+ // Is this string empty?
+ if (empty($characters)) {
+ // Then skip it silently
+ return false;
+ } // END - if
+
+ // Assign the found characters to variable and use the last entry from
+ // stack as the name
+ parent::assignVariable($this->getStackerInstance()->getNamed('self_connect'), $characters);
+ }
+
+ /**
+ * Handles the template dependency for given node
+ *
+ * @param $node The node we should load a dependency template
+ * @param $templateDependency A template to load to satisfy dependencies
+ * @return void
+ */
+ private function handleTemplateDependency ($node, $templateDependency) {
+ // Is the template dependency set?
+ if ((!empty($templateDependency)) && (!isset($this->dependencyContent[$node]))) {
+ // Get a temporay menu template instance
+ $templateInstance = ObjectFactory::createObjectByConfiguredName('self_connect_template_class', array($this->getApplicationInstance()));
+
+ // Then load it
+ $templateInstance->loadSelfConnectTemplate($templateDependency);
+
+ // Get an XmlParser instance
+ $templateInstance->renderXmlContent();
+
+ // Parse the template's content contents
+ $this->dependencyContent[$node] = $templateInstance->getRawTemplateData();
+ } // END - if
+ }
+
+ /**
+ * Getter for cache file (FQFN)
+ *
+ * @return $fqfn Full-qualified file name of the menu cache
+ */
+ public function getMenuCacheFqfn () {
+ $this->partialStub('Please implement this method.');
+ }
+
+ /**
+ * Starts the self_connect
+ *
+ * @return void
+ */
+ private function startSelfConnect () {
+ // Push the node name on the stacker
+ $this->getStackerInstance()->pushNamed('self_connect', 'self-connect');
+ }
+
+ /**
+ * Starts the self_connect data
+ *
+ * @return void
+ */
+ private function startSelfConnectData () {
+ // Push the node name on the stacker
+ $this->getStackerInstance()->pushNamed('self_connect', 'self-connect-data');
+ }
+
+ /**
+ * Starts the node id
+ *
+ * @return void
+ */
+ private function startNodeId () {
+ // Push the node name on the stacker
+ $this->getStackerInstance()->pushNamed('self_connect', 'node-id');
+ }
+
+ /**
+ * Starts the session id
+ *
+ * @return void
+ */
+ private function startSessionId () {
+ // Push the node name on the stacker
+ $this->getStackerInstance()->pushNamed('self_connect', 'session-id');
+ }
+
+ /**
+ * Finishes the session id
+ *
+ * @return void
+ */
+ private function finishSessionId () {
+ // Pop the last entry
+ $this->getStackerInstance()->popNamed('self_connect');
+ }
+
+ /**
+ * Finishes the node id
+ *
+ * @return void
+ */
+ private function finishNodeId () {
+ // Pop the last entry
+ $this->getStackerInstance()->popNamed('self_connect');
+ }
+
+ /**
+ * Finishes the self_connect data
+ *
+ * @return void
+ */
+ private function finishSelfConnectData () {
+ // Pop the last entry
+ $this->getStackerInstance()->popNamed('self_connect');
+ }
+
+ /**
+ * Finishes the self_connect
+ *
+ * @return void
+ */
+ private function finishSelfConnect () {
+ // Pop the last entry
+ $this->getStackerInstance()->popNamed('self_connect');
+ }
+}
+
+// [EOF]
+?>
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