+ // Debug message
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'callback=' . $data['callback'] . ',extra_func=' . $data['extra_func'] . ',value=' . $data['value']);
+
+ // Message string replacement depends on if message is masked
+ if ((isMessageMasked($data['callback'], FALSE)) && ((!empty($data['extra_func'])) || ($data['extra_func'] == '0'))) {
+ // Message should be masked
+ $replacer = "{DQUOTE} . getMaskedMessage('" . $data['callback'] . "', '" . $data['extra_func'] . "') . {DQUOTE}";
+ } elseif (!empty($data['value'])) {
+ // value is set, so it is masked message
+ $replacer = "{DQUOTE} . getMaskedMessage('" . $data['callback'] . "', '" . $data['value'] . "') . {DQUOTE}";
+ } else {
+ // Regular message
+ $replacer = "{DQUOTE} . getMessage('" . $data['callback'] . "') . {DQUOTE}";
+ }
+
+ // Replace the code
+ $code = replaceExpressionCode($data, $replacer);
+
+ // Return the (maybe) replaced code
+ return $code;
+}
+
+// Expression call-back for template functions
+function doExpressionTemplate ($data) {
+ // Construct call-back function name
+ $callbackFunction = 'doTemplate' . ucfirst($data['callback']);
+
+ // Init replacer
+ $replacer = '<!-- [' . __FUNCTION__ . ':' . __LINE__.'] Call-back function ' . $callbackFunction . ' does not exist. //-->';
+
+ // Is the function there?
+ if (!isset($GLOBALS['current_template'])) {
+ // This is very bad and needs fixing
+ reportBug(__FUNCTION__, __LINE__, 'current_template in GLOBALS not set, callbackFunction=' . $callbackFunction . ',function_exists()=' . intval(function_exists($callbackFunction)));
+ } elseif (!function_exists($callbackFunction)) {
+ // Log missing function only in debug mode
+ if (isDebugModeEnabled()) {
+ // Log it here
+ logDebugMessage(__FUNCTION__, __LINE__, 'Call-back function ' . $callbackFunction . ' does not exist.');
+ } // END - if
+ } else {
+ // Do the replacement
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'template='.$GLOBALS['current_template']);
+ $replacer = '{DQUOTE} . ' . $callbackFunction . '(' . chr(39) . $GLOBALS['current_template'] . chr(39) . ', TRUE';
+
+ // Is 'value' set?
+ if (!empty($data['value'])) {
+ // Then include it as well
+ $replacer .= ', ' . chr(39) . $data['value'] . chr(39);
+ } // END - if
+
+ // Replacer is ready
+ $replacer .= ') . {DQUOTE}';
+ }
+
+ // Replace the code
+ $code = replaceExpressionCode($data, $replacer);
+
+ // Return the (maybe) replaced code
+ return $code;
+}
+
+// Expression call-back for math functions
+function doExpressionMath ($data) {
+ // Do the replacement
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'template='.$GLOBALS['current_template']);
+ $replacer = '{DQUOTE} . doCalculate' . $data['callback'] . '(' . $data['value'] . ') . {DQUOTE}';
+
+ // Replace the code
+ $code = replaceExpressionCode($data, $replacer);
+
+ // Load include once
+ loadIncludeOnce('inc/math-functions.php');
+
+ // Return the (maybe) replaced code
+ return $code;
+}
+
+// Expression call-back for GET request
+function doExpressionGet ($data) {
+ // Construct the replacer:
+ // - GET request element
+ $replacer = '{%pipe,getRequestElement';
+
+ // Add more call-back functions?
+ if (!empty($data['callback'])) {
+ // - Okay, add them
+ $replacer .= ',' . $data['callback'];
+ } // END - if
+
+ // - Finalize replacer
+ $replacer .= '=' . $data['value'] . '%}';
+
+ // Replace the code
+ $code = replaceExpressionCode($data, $replacer);
+
+ // Return the (maybe) replaced code
+ return $code;
+}
+
+// Expression call-back for POST request
+function doExpressionPost ($data) {
+ // Construct the replacer:
+ // - POST request element
+ $replacer = '{%pipe,postRequestElement';
+
+ // Add more call-back functions?
+ if (!empty($data['callback'])) {
+ // - Okay, add them
+ $replacer .= ',' . $data['callback'];
+ } // END - if
+
+ // - Finalize replacer
+ $replacer .= '=' . $data['value'] . '%}';
+
+ // Replace the code
+ $code = replaceExpressionCode($data, $replacer);
+
+ // Return the (maybe) replaced code
+ return $code;
+}
+
+// Expression call-back for session data
+function doExpressionSession ($data) {
+ // Construct the replacer:
+ // - Session element
+ $replacer = '{%pipe,getSession';
+
+ // Add more call-back functions?
+ if (!empty($data['callback'])) {
+ // - Okay, add them
+ $replacer .= ',' . $data['callback'];
+ } // END - if
+
+ // - Finalize replacer
+ $replacer .= '=' . $data['value'] . '%}';
+
+ // Debug message
+ //* NOISY-DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'value=' . $data['value'] . ',replacer=' . $replacer);
+
+ // Replace the code
+ $code = replaceExpressionCode($data, $replacer);
+
+ // Return the (maybe) replaced code
+ return $code;
+}
+
+/**
+ * Expression call-back for session piplining, this means:
+ *
+ * 1) Read session data
+ * 2) Wrap the raw data into {%pipe,fooFunction=$rawValue%}
+ */
+function doExpressionSessionPipe ($data) {
+ // Get the session data
+ $rawValue = getSession($data['value']);
+
+ // Construct the replacer
+ $replacer = '{%pipe,' . $data['callback'] . '=' . $rawValue . '%}';
+
+ // Debug message
+ //* NOISY-DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'value=' . $data['value'] . ',rawValue=' . $rawValue . ',replacer=' . $replacer);
+
+ // Replace the code
+ $code = replaceExpressionCode($data, $replacer);
+
+ // Return the (maybe) replaced code
+ return $code;
+}
+
+// Expression call-back for formulars
+function doExpressionForm ($data) {
+ // Default method is GET, target is _self
+ $data['__form_method'] = 'get';
+ $data['__form_target'] = '_self';
+ $data['__form_name'] = 'form';
+ $data['__form_id'] = 'form';
+ $data['__server'] = '';
+
+ // Check which method/target is set
+ foreach (array('callback', 'extra_func', 'extra_func2') as $key) {
+ // Make lower-case
+ $value = strtolower($data[$key]);
+
+ // Is formMethodPost set?
+ if ($value == 'formmethodpost') {
+ // Use it
+ $data['__form_method'] = 'post';
+ } elseif (($value == 'formmethodpost') && (!isSpider()) && (!isSessionValid())) {
+ // Then expand 'value' with session id
+ if (strpos($data['value'], '?') !== FALSE) {
+ // '?' is set
+ $data['value'] .= '&';
+ } else {
+ // Is not set
+ $data['value'] .= '?';
+ }
+
+ // Append session's name and id
+ $data['value'] .= session_name() . '=' . session_id();
+ } elseif (substr($value, 0, 10) == 'formtarget') {
+ // Form target is found
+ $data['__form_target'] = substr($value, 10);
+ } elseif (substr($value, 0, 8) == 'formname') {
+ // Form name is found
+ $data['__form_name'] = substr($value, 8);
+ } elseif (substr($value, 0, 6) == 'formid') {
+ // Form id found
+ $data['__form_id'] = substr($value, 6);
+ } elseif (substr($value, 0, 6) == 'server') {
+ // {%server,foo%} found
+ $data['__server'] = '{%server,' . substr($value, 6) . '%}';
+ }
+ } // END - foreach
+
+ // Generate the replacement code which is the opening form tag
+ $data['__replacer'] = '<form accept-charset=\"UTF-8\"';
+ if (!empty($data['value'])) {
+ $data['__replacer'] .= ' action=\"{%url=' . $data['value'];
+ if (!empty($data['__server'])) {
+ $data['__replacer'] .= $data['__server'];
+ } // END - if
+ $data['__replacer'] .= '%}\"';
+ } // END - if
+
+ // Add rest elements
+ foreach (array('method', 'target', 'name', 'id') as $key) {
+ $data['__replacer'] .= ' ' . $key . '=\"' . $data['__form_' . $key] . '\"';
+ } // END - foreach
+
+ // Close the tag here (don't move it below the next filter)
+ $data['__replacer'] .= '>' . PHP_EOL;
+
+ /*
+ * Call a filter chain to allow more hidden fields being added. You should
+ * not remove the > char from above line to add onsubmit="" or so. Instead
+ * you should better use jquery to accomplish the same.
+ */
+ $data = runFilterChain('open_form_fields', $data);
+
+ // Replace the code
+ $code = replaceExpressionCode($data, $data['__replacer']);
+
+ // Return the (maybe) replaced code
+ return $code;
+}
+
+// Expression call-back to close form tags
+function doExpressionFormClose ($data) {
+ // Initial replacer is really easy ...
+ $data['__replacer'] = '</form>' . PHP_EOL;
+
+ /*
+ * Call a filter chain to allow more hidden fields being added at the end
+ * of the form.
+ */
+ $data = runFilterChain('close_form_fields', $data);
+
+ // Replace the code
+ $code = replaceExpressionCode($data, $data['__replacer']);
+
+ // Return the (maybe) replaced code
+ return $code;
+}
+
+// Expression call-back to handle jquery inclusion
+function doExpressionJquery ($data) {
+ // Default is compressed
+ $jquery = 'jquery';
+ $data['output_mode'] = '';
+
+ // Is there JS-mode?
+ if ($data['callback'] == 'js') {
+ // Switch to it
+ $data['output_mode'] = ',js';
+ } // END - if
+
+ // Is there a value?
+ if ($data['callback'] == 'js') {
+ // Then load special library
+ $jquery .= '-' . $data['value'];
+ } // END - if
+
+ // Is debug mode enabled?
+ if ((isGetRequestElementSet('jquery')) || (isSessionVariableSet('jquery'))) {
+ // Then use uncompressed
+ $jquery .= '.uncompressed';
+
+ // Remember it in session
+ setSession('jquery', '1');
+ } // END - if
+
+ // Add {%url%} around it
+ $replacer = '{%url' . $data['output_mode'] . '=js/' . $jquery . '.js?dummy=1%}';
+
+ // Replace the code
+ $code = replaceExpressionCode($data, $replacer);
+
+ // Return the (maybe) replaced code
+ return $code;