--- /dev/null
+<?php
+
+/**
+ * @file
+ * Parser for INI format.
+ */
+
+namespace Drush\Make\Parser;
+
+class ParserIni implements ParserInterface {
+
+ /**
+ * Regex for parsing INI format.
+ */
+ private static $iniRegex = '
+ @^\s* # Start at the beginning of a line, ignoring leading whitespace
+ ((?:
+ [^=;\[\]]| # Key names cannot contain equal signs, semi-colons or square brackets,
+ \[[^\[\]]*\] # unless they are balanced and not nested
+ )+?)
+ \s*=\s* # Key/value pairs are separated by equal signs (ignoring white-space)
+ (?:
+ ("(?:[^"]|(?<=\\\\)")*")| # Double-quoted string, which may contain slash-escaped quotes/slashes
+ (\'(?:[^\']|(?<=\\\\)\')*\')| # Single-quoted string, which may contain slash-escaped quotes/slashes
+ ([^\r\n]*?) # Non-quoted string
+ )\s*$ # Stop at the next end of a line, ignoring trailing whitespace
+ @msx';
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function supportedFile($filename) {
+ $info = pathinfo($filename);
+ return isset($info['extension']) && $info['extension'] === 'make';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function parse($data) {
+ if (preg_match_all(self::$iniRegex, $data, $matches, PREG_SET_ORDER)) {
+ $info = array();
+ foreach ($matches as $match) {
+ // Fetch the key and value string.
+ $i = 0;
+ foreach (array('key', 'value1', 'value2', 'value3') as $var) {
+ $$var = isset($match[++$i]) ? $match[$i] : '';
+ }
+ $value = stripslashes(substr($value1, 1, -1)) . stripslashes(substr($value2, 1, -1)) . $value3;
+
+ // Parse array syntax.
+ $keys = preg_split('/\]?\[/', rtrim($key, ']'));
+ $last = array_pop($keys);
+ $parent = &$info;
+
+ // Create nested arrays.
+ foreach ($keys as $key) {
+ if ($key == '') {
+ $key = count($parent);
+ }
+ if (isset($merge_item) && isset($parent[$key]) && !is_array($parent[$key])) {
+ $parent[$key] = array($merge_item => $parent[$key]);
+ }
+ if (!isset($parent[$key]) || !is_array($parent[$key])) {
+ $parent[$key] = array();
+ }
+ $parent = &$parent[$key];
+ }
+
+ // Handle PHP constants.
+ if (defined($value)) {
+ $value = constant($value);
+ }
+
+ // Insert actual value.
+ if ($last == '') {
+ $last = count($parent);
+ }
+ if (isset($merge_item) && isset($parent[$last]) && is_array($parent[$last])) {
+ $parent[$last][$merge_item] = $value;
+ }
+ else {
+ $parent[$last] = $value;
+ }
+ }
+ return $info;
+ }
+ }
+
+}