die();
} // END - if
+// Calls back a function based on given XML template data
+function showEntriesByXmlCallback ($template) {
+ // Generate FQFN for with special path
+ $FQFN = sprintf("%stemplates/xml/%s%s.xml",
+ getPath(),
+ detectExtraTemplatePath($template),
+ $template
+ );
+
+ // Is the file readable?
+ if (!isFileReadable($FQFN)) {
+ // No, use without extra path
+ $FQFN = sprintf("%stemplates/xml/%s.xml",
+ getPath(),
+ $template
+ );
+ } // END - if
+
+ // Is it again readable?
+ if (isFileReadable($FQFN)) {
+ // Read it
+ $templateContent = readFromFile($FQFN);
+
+ // Init main arrays
+ $GLOBALS['__XML_CALLBACKS'] = array(
+ 'callbacks' => array(),
+ 'functions' => array()
+ );
+ $GLOBALS['__XML_ARGUMENTS'] = array();
+
+ // Handle it over to the parser
+ parseXmlData($templateContent);
+
+ // Call the call-back function
+ doCallXmlCallbackFunction();
+ } else {
+ // Template not found
+ displayMessage('{%message,XML_TEMPLATE_404=' . $template . '%}');
+ }
+}
+
+// Parses the XML content
+function parseXmlData ($content) {
+ // Do we have recode?
+ if (function_exists('recode')) {
+ // Convert 'HTML' to UTF-8
+ $content = recode('html..utf8', $content);
+ } else {
+ // No fallback ATM
+ debug_report_bug('PHP extension recode is missing. Please install it.');
+ }
+
+ // Create a new XML parser
+ $xmlParser = xml_parser_create();
+
+ // Force case-folding to on
+ xml_parser_set_option($xmlParser, XML_OPTION_CASE_FOLDING, true);
+
+ // Set UTF-8
+ xml_parser_set_option($xmlParser, XML_OPTION_TARGET_ENCODING, 'UTF-8');
+
+ // Set handler call-backs
+ xml_set_element_handler($xmlParser, 'startXmlElement', 'endXmlElement');
+ xml_set_character_data_handler($xmlParser, 'xmlCharacterHandler');
+
+ // Now parse the XML tree
+ if (!xml_parse($xmlParser, $content)) {
+ // Error found in XML!
+ //* DEBUG: */ die('<pre>'.htmlentities($content).'</pre>');
+ debug_report_bug(__FUNCTION__, __LINE__, 'Error found in XML. errorMessage=' . xml_error_string(xml_get_error_code($xmlParser)) . ', line=' . xml_get_current_line_number($xmlParser));
+ } // END - if
+
+ // Free the parser
+ xml_parser_free($xmlParser);
+}
+
+// Calls the found call-back function
+function doCallXmlCallbackFunction () {
+ // Loop through all added entries
+ foreach ($GLOBALS['__XML_CALLBACKS']['callbacks'] as $callback) {
+ // Do we have the entry?
+ if ((isset($GLOBALS['__XML_CALLBACKS']['functions'][$callback])) && (isset($GLOBALS['__XML_ARGUMENTS'][$callback]))) {
+ // Run all function callbacks
+ foreach ($GLOBALS['__XML_CALLBACKS']['functions'][$callback] as $function) {
+ // Trim all function names
+ $function = trim($function);
+
+ // If the function is empty, simply skip to the (maybe) next one
+ if (empty($function)) {
+ // Skip this
+ continue;
+ } // END - if
+
+ // Now construct the call-back function's name with 'Execute' at the end
+ $callbackName = $callback . 'Execute';
+
+ // Is it there?
+ if (!function_exists($callbackName)) {
+ debug_report_bug(__FUNCTION__, __LINE__, 'callback=' . $callback . ',function=' . $function . 'arguments()=' . count($GLOBALS['__XML_ARGUMENTS'][$callback]) . ' - execute call-back not found.');
+ } // END - if
+
+ // Call it
+ call_user_func_array($callbackName, array($function, $GLOBALS['__XML_ARGUMENTS'][$callback]));
+ } // END - foreach
+ } else {
+ // Not found
+ debug_report_bug(__FUNCTION__, __LINE__, 'Entry in callbacks does exist, but not in functions, callback= ' . $callback);
+ }
+ } // END - foreach
+}
+
+//-----------------------------------------------------------------------------
+// Call-back functions for XML parser
+//-----------------------------------------------------------------------------
+
+// Starts an element
+function startXmlElement ($resource, $element, $attributes) {
+ // Call-back function for given element
+ $elementCallback = 'doXml' . capitalizeUnderscoreString($element);
+
+ // Is the call-back function there?
+ if (!function_exists($elementCallback)) {
+ // Not there
+ debug_report_bug(__FUNCTION__, __LINE__, 'Missing call-back function ' . $elementCallback . ', please add it.');
+ } // END - if
+
+ // Call the call-back function
+ call_user_func_array($elementCallback, array($resource, $attributes));
+}
+
+// Ends an element
+function endXmlElement ($resource, $element) {
+ // Out-of-function for now
+}
+
+// Handle characters
+function xmlCharacterHandler ($resource, $characters) {
+ // Trim spaces away
+ $characters = trim($characters);
+
+ // Do we have some to handle?
+ if (strlen($characters) == 0) {
+ // Nothing to handle
+ return;
+ } // END - if
+ die('characters[]='.strlen($characters));
+}
+
+// Checks if given type is valid, makes all lower-case
+function isInvalidXmlType ($type) {
+ // All lower-case
+ $type = strtolower(trim($type));
+
+ // Is it found?
+ return (in_array($type, array('string', 'array', 'bool', 'int', 'callback')));
+}
+
+// Checks if given condition is valid
+function isXmlConditionValid ($condition) {
+ // Trim and make lower-case
+ $condition = trim(strtolower($condition));
+
+ // Is it valid?
+ return (in_array($condition, array('equals')));
+}
+
+// Checks if given value is valid/verifyable
+function isXmlValueValid ($type, $value) {
+ // Depends on type, so build a call-back
+ $callbackFunction = 'isXmlType' . trim(capitalizeUnderscoreString($type));
+
+ // Is the call-back function there?
+ if (!function_exists($callbackFunction)) {
+ // Not there
+ debug_report_bug(__FUNCTION__, __LINE__, 'Missing call-back function ' . $callbackFunction . ', please add it.');
+ } // END - if
+
+ // Call and return it
+ return call_user_func_array($callbackFunction, array($value));
+}
+
+// Converts given condition into a symbol
+function convertXmlContion ($condition) {
+ // Default is an invalid one
+ $return = '???';
+
+ // Detect the condition again
+ switch ($condition) {
+ case 'EQUALS': // Equals
+ $return = '=';
+ break;
+
+ default: // Unknown condition
+ debug_report_bug(__FUNCTION__, __LINE__, 'Condition ' . $condition . ' is unknown/unsupported.');
+ break;
+ } // END - switch
+
+ // Return it
+ return $return;
+}
+
// [EOF]
?>
projects / mailer.git / blobdiff