1 files changed, 83 insertions, 0 deletions
diff --git a/modules-available/debugconfig/inc/baseconfigutil.inc.php b/modules-available/debugconfig/inc/baseconfigutil.inc.php
new file mode 100644
index 00000000..3039ea12
--- /dev/null
+++ b/modules-available/debugconfig/inc/baseconfigutil.inc.php
@@ -0,0 +1,83 @@
+<?php
+
+class BaseConfigUtil
+{
+
+	/**
+	 * Return all config variables to be handled directly by the baseconfig edit module.
+	 * The array will contain a list of mapping of type:
+	 * VARNAME => array(
+	 *     catid => xx,
+	 *     defaultvalue => xx,
+	 *     permissions => xx,
+	 *     validator => xx,
+	 * )
+	 *
+	 * @param \Module $module optional, only consider given module, not all enabled modules
+	 * @return array all known config variables
+	 */
+	public static function getVariables($module = false)
+	{
+		$settings = array();
+		if ($module === false) {
+			$module = '*';
+		} else {
+			$module = $module->getIdentifier();
+		}
+		foreach (glob("modules/{$module}/baseconfig/settings.json", GLOB_NOSORT) as $file) {
+			$data = json_decode(file_get_contents($file), true);
+			if (!is_array($data))
+				continue;
+			preg_match('#^modules/([^/]+)/#', $file, $out);
+			foreach ($data as &$entry) {
+				$entry['module'] = $out[1];
+			}
+			$settings += $data;
+		}
+		return $settings;
+	}
+
+	public static function getCategories($module = false)
+	{
+		$categories = array();
+		if ($module === false) {
+			$module = '*';
+		} else {
+			$module = $module->getIdentifier();
+		}
+		foreach (glob("modules/{$module}/baseconfig/categories.json", GLOB_NOSORT) as $file) {
+			$data = json_decode(file_get_contents($file), true);
+			if (!is_array($data))
+				continue;
+			preg_match('#^modules/([^/]+)/#', $file, $out);
+			foreach ($data as &$entry) {
+				$entry = array('module' => $out[1], 'sortpos' => $entry);
+			}
+			$categories += $data;
+		}
+		return $categories;
+	}
+
+	/**
+	 * Mark variables that would be shadowed according to the given values.
+	 *
+	 * @param $vars list of vars as obtained from BaseConfigUtil::getVariables()
+	 * @param $values key-value-pairs of variable assignments to work with
+	 */
+	public static function markShadowedVars(&$vars, $values) {
+		foreach ($vars as $key => &$var) {
+			if (!isset($var['shadows']))
+				continue;
+			foreach ($var['shadows'] as $triggerVal => $destSettings) {
+				if (isset($values[$key]) && $values[$key] !== $triggerVal)
+					continue;
+				foreach ($destSettings as $destSetting) {
+					if (isset($vars[$destSetting])) {
+						$vars[$destSetting]['shadowed'] = true;
+					}
+				}
+			}
+		}
+	}
+
+}