148 lines
3.3 KiB
PHP
148 lines
3.3 KiB
PHP
<?php
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namespace Icinga\Module\Director\IcingaConfig;
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class IcingaConfigHelper
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{
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/**
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* Reserved words according to
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* http://docs.icinga.org/icinga2/snapshot/doc/module/icinga2/chapter/language-reference#reserved-keywords
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*/
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protected static $reservedWords = array(
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'object',
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'template',
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'include',
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'include_recursive',
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'library',
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'null',
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'true',
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'false',
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'const',
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'var',
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'this',
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'use',
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'apply',
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'to',
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'where',
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'import',
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'assign',
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'ignore',
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'function',
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'return',
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'for',
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'if',
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'else',
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'in',
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);
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public static function renderKeyValue($key, $value, $prefix = ' ')
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{
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$string = sprintf(
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"%s = %s",
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$key,
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$value
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);
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if ($prefix && strpos($string, "\n") !== false) {
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return $prefix . implode("\n" . $prefix, explode("\n", $string)) . "\n";
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}
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return $prefix . $string . "\n";
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}
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public static function renderBoolean($value)
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{
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if ($value === 'y') {
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return 'true';
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} elseif ($value === 'n') {
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return 'false';
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} else {
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throw new ProgrammingError('%s is not a valid boolean', $value);
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}
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}
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// TODO: Find out how to allow multiline {{{...}}} strings.
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// Parameter? Dedicated method? Always if \n is found?
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public static function renderString($string)
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{
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$special = array(
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'/\\\/',
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'/"/',
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'/\$/',
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'/\t/',
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'/\r/',
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'/\n/',
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// '/\b/', -> doesn't work
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'/\f/'
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);
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$replace = array(
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'\\\\\\',
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'\\"',
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'\\$',
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'\\t',
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'\\r',
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'\\n',
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// '\\b',
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'\\f',
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);
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$string = preg_replace($special, $replace, $string);
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return '"' . $string . '"';
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}
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// Requires an array
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public static function renderArray($array)
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{
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$data = array();
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foreach ($array as $entry) {
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if ($entry instanceof IcingaConfigRenderer) {
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$data[] = $entry;
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} else {
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$data[] = self::renderString($entry);
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}
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}
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$str = '[ ' . implode(', ', $data) . ' ]';
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if (strlen($str) < 60) {
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return $str;
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}
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// Prefix for toConfigString?
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return "[\n " . implode(",\n ", $data) . "\n]";
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}
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public static function renderDictionary($dictionary)
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{
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$vals = array();
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foreach ($dictionary as $key => $value) {
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$vals[] = rtrim(self::renderKeyValue(self::renderString($key), $value));
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}
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// Prefix for toConfigString?
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return "{\n" . implode("\n", $vals) . "\n}";
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}
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public static function alreadyRendered($string)
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{
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return new IcingaConfigRendered($string);
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}
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public static function isReserved($string)
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{
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return in_array($string, self::$reservedWords);
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}
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public static function escapeIfReserved($string)
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{
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if (self::isReserved($string)) {
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return '@' . $string;
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} else {
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return $string;
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}
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}
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}
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