1 files changed, 110 insertions, 0 deletions
diff --git a/library/Director/IcingaConfig/IcingaLegacyConfigHelper.php b/library/Director/IcingaConfig/IcingaLegacyConfigHelper.php
new file mode 100644
index 0000000..38d93ee
--- /dev/null
+++ b/library/Director/IcingaConfig/IcingaLegacyConfigHelper.php
@@ -0,0 +1,110 @@
+<?php
+
+namespace Icinga\Module\Director\IcingaConfig;
+
+use InvalidArgumentException;
+
+class IcingaLegacyConfigHelper
+{
+    public static function renderKeyValue($key, $value, $prefix = '    ')
+    {
+        return self::renderKeyOperatorValue($key, "\t", $value, $prefix);
+    }
+
+    public static function renderKeyOperatorValue($key, $operator, $value, $prefix = '    ')
+    {
+        $string = sprintf(
+            "%s%s%s",
+            $key,
+            $operator,
+            $value
+        );
+
+        if ($prefix && strpos($string, "\n") !== false) {
+            return $prefix . implode("\n" . $prefix, explode("\n", $string)) . "\n";
+        }
+
+        return $prefix . $string . "\n";
+    }
+
+    public static function renderBoolean($value)
+    {
+        if ($value === 'y') {
+            return '1';
+        } elseif ($value === 'n') {
+            return '0';
+        } else {
+            throw new InvalidArgumentException('%s is not a valid boolean', $value);
+        }
+    }
+
+    // TODO: Double-check legacy "encoding"
+    public static function renderString($string)
+    {
+        $special = [
+            '/\\\/',
+            '/\$/',
+            '/\t/',
+            '/\r/',
+            '/\n/',
+            // '/\b/', -> doesn't work
+            '/\f/',
+        ];
+
+        $replace = [
+            '\\\\\\',
+            '\\$',
+            '\\t',
+            '\\r',
+            '\\n',
+            // '\\b',
+            '\\f',
+        ];
+
+        $string = preg_replace($special, $replace, $string);
+
+        return $string;
+    }
+
+    /**
+     * @param array $array
+     * @return string
+     */
+    public static function renderArray($array)
+    {
+        $data = [];
+        foreach ($array as $entry) {
+            if ($entry instanceof IcingaConfigRenderer) {
+                // $data[] = $entry;
+                $data[] = 'INVALID_ARRAY_MEMBER';
+            } else {
+                $data[] = self::renderString($entry);
+            }
+        }
+
+        return implode(', ', $data);
+    }
+
+    public static function renderDictionary($dictionary)
+    {
+        return 'INVALID_DICTIONARY';
+    }
+
+    public static function renderExpression($string)
+    {
+        return 'INVALID_EXPRESSION';
+    }
+
+    public static function alreadyRendered($string)
+    {
+        return new IcingaConfigRendered($string);
+    }
+
+    public static function renderInterval($interval)
+    {
+        if ($interval < 60) {
+            $interval = 60;
+        }
+        return $interval / 60;
+    }
+}