Use proper error type and clean-up code

lib/private/arrayparser.php

@@ -21,6 +21,11 @@
 
 namespace OC;
 
+/**
+ * Class ArrayParser
+ *
+ * @package OC
+ */
 class ArrayParser {
 	const TYPE_NUM = 1;
 	const TYPE_BOOL = 2;
@@ -31,7 +36,7 @@ class ArrayParser {
 	 * @param string $string
 	 * @return array|bool|int|null|string
 	 */
-	function parsePHP($string) {
+	public function parsePHP($string) {
 		$string = $this->stripPHPTags($string);
 		$string = $this->stripAssignAndReturn($string);
 		return $this->parse($string);
@@ -41,7 +46,7 @@ class ArrayParser {
 	 * @param string $string
 	 * @return string
 	 */
-	function stripPHPTags($string) {
+	private function stripPHPTags($string) {
 		$string = trim($string);
 		if (substr($string, 0, 5) === '<?php') {
 			$string = substr($string, 5);
@@ -56,7 +61,7 @@ class ArrayParser {
 	 * @param string $string
 	 * @return string
 	 */
-	function stripAssignAndReturn($string) {
+	private function stripAssignAndReturn($string) {
 		$string = trim($string);
 		if (substr($string, 0, 6) === 'return') {
 			$string = substr($string, 6);
@@ -71,7 +76,7 @@ class ArrayParser {
 	 * @param string $string
 	 * @return array|bool|int|null|string
 	 */
-	function parse($string) {
+	private function parse($string) {
 		$string = trim($string);
 		$string = trim($string, ';');
 		switch ($this->getType($string)) {
@@ -91,7 +96,7 @@ class ArrayParser {
 	 * @param string $string
 	 * @return int
 	 */
-	function getType($string) {
+	private function getType($string) {
 		$string = strtolower($string);
 		$first = substr($string, 0, 1);
 		$last = substr($string, -1, 1);
@@ -111,7 +116,7 @@ class ArrayParser {
 	 * @param string $string
 	 * @return string
 	 */
-	function parseString($string) {
+	private function parseString($string) {
 		return substr($string, 1, -1);
 	}
 
@@ -119,7 +124,7 @@ class ArrayParser {
 	 * @param string $string
 	 * @return int
 	 */
-	function parseNum($string) {
+	private function parseNum($string) {
 		return intval($string);
 	}
 
@@ -127,7 +132,7 @@ class ArrayParser {
 	 * @param string $string
 	 * @return bool
 	 */
-	function parseBool($string) {
+	private function parseBool($string) {
 		$string = strtolower($string);
 		return $string === 'true';
 	}
@@ -136,12 +141,12 @@ class ArrayParser {
 	 * @param string $string
 	 * @return array
 	 */
-	function parseArray($string) {
+	private function parseArray($string) {
 		$body = substr($string, 5);
 		$body = trim($body);
 		$body = substr($body, 1, -1);
 		$items = $this->splitArray($body);
-		$result = array();
+		$result = [];
 		$lastKey = -1;
 		foreach ($items as $item) {
 			$item = trim($item);
@@ -167,15 +172,16 @@ class ArrayParser {
 	/**
 	 * @param string $body
 	 * @return array
+	 * @throws \UnexpectedValueException
 	 */
-	function splitArray($body) {
+	private function splitArray($body) {
 		$inSingleQuote = false; //keep track if we are inside quotes
 		$inDoubleQuote = false;
 		$bracketDepth = 0; //keep track if we are inside brackets
-		$parts = array();
+		$parts = [];
 		$start = 0;
 		$escaped = false; //keep track if we are after an escape character
-		$skips = array();//keep track of the escape characters we need to remove from the result
+		$skips = []; //keep track of the escape characters we need to remove from the result
 		if (substr($body, -1, 1) !== ',') {
 			$body .= ',';
 		}
@@ -206,7 +212,7 @@ class ArrayParser {
 						$bracketDepth++;
 					} elseif ($char === ')') {
 						if ($bracketDepth <= 0) {
-							throw new UnexpectedValueException();
+							throw new \UnexpectedValueException();
 						} else {
 							$bracketDepth--;
 						}
@@ -217,7 +223,7 @@ class ArrayParser {
 						}
 						$parts[] = $part;
 						$start = $i + 1;
-						$skips = array();
+						$skips = [];
 					}
 				}
 				$escaped = false;