function qa_load_override_files()
{
global $qa_override_files, $qa_overrides;
$functionindex = array();
foreach ($qa_override_files as $index => $override) {
$filename = $override['directory'] . $override['include'];
$functionsphp = file_get_contents($filename);
preg_match_all('/\\Wfunction\\s+(qa_[a-z_]+)\\s*\\(/im', $functionsphp, $rawmatches, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE);
$reversematches = array_reverse($rawmatches[1], true);
// reverse so offsets remain correct as we step through
$postreplace = array();
$suffix = '_in_' . preg_replace('/[^A-Za-z0-9_]+/', '_', basename($override['include']));
// include file name in defined function names to make debugging easier if there is an error
foreach ($reversematches as $rawmatch) {
$function = strtolower($rawmatch[0]);
$position = $rawmatch[1];
if (isset($qa_overrides[$function])) {
$postreplace[$function . '_base'] = $qa_overrides[$function];
}
$newname = $function . '_override_' . @++$functionindex[$function] . $suffix;
$functionsphp = substr_replace($functionsphp, $newname, $position, strlen($function));
$qa_overrides[$function] = $newname;
}
foreach ($postreplace as $oldname => $newname) {
if (preg_match_all('/\\W(' . preg_quote($oldname) . ')\\s*\\(/im', $functionsphp, $matches, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE)) {
$searchmatches = array_reverse($matches[1]);
foreach ($searchmatches as $searchmatch) {
$functionsphp = substr_replace($functionsphp, $newname, $searchmatch[1], strlen($searchmatch[0]));
}
}
}
// echo '<pre style="text-align:left;">'.htmlspecialchars($functionsphp).'</pre>'; // to debug munged code
qa_eval_from_file($functionsphp, $filename);
}
}
function qa_load_theme_class($theme, $template, $content, $request)
{
if (qa_to_override(__FUNCTION__)) {
$args = func_get_args();
return qa_call_override(__FUNCTION__, $args);
}
global $qa_layers;
// First load the default class
require_once QA_INCLUDE_DIR . 'qa-theme-base.php';
$classname = 'qa_html_theme_base';
// Then load the selected theme if valid, otherwise load the Classic theme
if (!file_exists(QA_THEME_DIR . $theme . '/qa-styles.css')) {
$theme = 'Classic';
}
$themeroothtml = qa_html(qa_path_to_root() . 'qa-theme/' . $theme . '/');
if (file_exists(QA_THEME_DIR . $theme . '/qa-theme.php')) {
require_once QA_THEME_DIR . $theme . '/qa-theme.php';
if (class_exists('qa_html_theme')) {
$classname = 'qa_html_theme';
}
}
// Create the list of layers to load
$loadlayers = $qa_layers;
if (!qa_user_maximum_permit_error('permit_view_voters_flaggers')) {
$loadlayers[] = array('directory' => QA_INCLUDE_DIR . 'plugins/', 'include' => 'qa-layer-voters-flaggers.php', 'urltoroot' => null);
}
// Then load any theme layers using some class-munging magic (substitute class names)
$layerindex = 0;
foreach ($loadlayers as $layer) {
$filename = $layer['directory'] . $layer['include'];
$layerphp = file_get_contents($filename);
if (strlen($layerphp)) {
$newclassname = 'qa_layer_' . ++$layerindex . '_from_' . preg_replace('/[^A-Za-z0-9_]+/', '_', basename($layer['include']));
// include file name in layer class name to make debugging easier if there is an error
if (preg_match('/\\s+class\\s+qa_html_theme_layer\\s+extends\\s+qa_html_theme_base\\s+/im', $layerphp) != 1) {
qa_fatal_error('Class for layer must be declared as "class qa_html_theme_layer extends qa_html_theme_base" in ' . $layer['directory'] . $layer['include']);
}
$searchwordreplace = array('qa_html_theme_base::qa_html_theme_base' => $classname . '::__construct', 'parent::qa_html_theme_base' => 'parent::__construct', 'qa_html_theme_layer' => $newclassname, 'qa_html_theme_base' => $classname, 'QA_HTML_THEME_LAYER_DIRECTORY' => "'" . $layer['directory'] . "'", 'QA_HTML_THEME_LAYER_URLTOROOT' => "'" . qa_path_to_root() . $layer['urltoroot'] . "'");
foreach ($searchwordreplace as $searchword => $replace) {
if (preg_match_all('/\\W(' . preg_quote($searchword, '/') . ')\\W/im', $layerphp, $matches, PREG_PATTERN_ORDER | PREG_OFFSET_CAPTURE)) {
$searchmatches = array_reverse($matches[1]);
// don't use preg_replace due to complication of escaping replacement phrase
foreach ($searchmatches as $searchmatch) {
$layerphp = substr_replace($layerphp, $replace, $searchmatch[1], strlen($searchmatch[0]));
}
}
}
// echo '<pre style="text-align:left;">'.htmlspecialchars($layerphp).'</pre>'; // to debug munged code
qa_eval_from_file($layerphp, $filename);
$classname = $newclassname;
}
}
// Finally, instantiate the object
$themeclass = new $classname($template, $content, $themeroothtml, $request);
return $themeclass;
}
