First commit

vendor/yosymfony/toml/src/TomlArray.php

@@ -0,0 +1,131 @@
+<?php
+
+/*
+ * This file is part of the Yosymfony\Toml package.
+ *
+ * (c) YoSymfony <http://github.com/yosymfony>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Yosymfony\Toml;
+
+/**
+ * Internal class for managing a Toml array
+ *
+ * @author Victor Puertas <vpgugr@vpgugr.com>
+ */
+class TomlArray
+{
+    private const DOT_ESCAPED = '%*%';
+
+    private $result = [];
+    private $currentPointer;
+    private $originInlineTableCurrentPointer;
+    private $ArrayTableKeys = [];
+    private $inlineTablePointers = [];
+
+    public function __construct()
+    {
+        $this->resetCurrentPointer();
+    }
+
+    public function addKeyValue(string $name, $value) : Void
+    {
+        $this->currentPointer[$name] = $value;
+    }
+
+    public function addTableKey(string $name) : Void
+    {
+        $this->resetCurrentPointer();
+        $this->goToKey($name);
+    }
+
+    public function beginInlineTableKey(string $name) : Void
+    {
+        $this->inlineTablePointers[] = &$this->currentPointer;
+        $this->goToKey($name);
+    }
+
+    public function endCurrentInlineTableKey() : Void
+    {
+        $indexLastElement = $this->getKeyLastElementOfArray($this->inlineTablePointers);
+        $this->currentPointer = &$this->inlineTablePointers[$indexLastElement];
+        unset($this->inlineTablePointers[$indexLastElement]);
+    }
+
+    public function addArrayTableKey(string $name) : Void
+    {
+        $this->resetCurrentPointer();
+        $this->goToKey($name);
+        $this->currentPointer[] = [];
+        $this->setCurrentPointerToLastElement();
+
+        if (!$this->existsInArrayTableKey($name)) {
+            $this->ArrayTableKeys[] = $name;
+        }
+    }
+
+    public function escapeKey(string $name) : string
+    {
+        return \str_replace('.', self::DOT_ESCAPED, $name);
+    }
+    
+    public function getArray() : array
+    {
+        return $this->result;
+    }
+
+    private function unescapeKey(string $name) : string
+    {
+        return \str_replace(self::DOT_ESCAPED, '.', $name);
+    }
+
+    private function goToKey(string $name) : Void
+    {
+        $keyParts = explode('.', $name);
+        $accumulatedKey = '';
+        $countParts = count($keyParts);
+
+        foreach ($keyParts as $index => $keyPart) {
+            $keyPart = $this->unescapeKey($keyPart);
+            $isLastKeyPart = $index == $countParts -1;
+            $accumulatedKey .= $accumulatedKey == '' ? $keyPart : '.'.$keyPart;
+
+            if (\array_key_exists($keyPart, $this->currentPointer) === false) {
+                $this->currentPointer[$keyPart] = [];
+            }
+
+            $this->currentPointer = &$this->currentPointer[$keyPart];
+
+            if ($this->existsInArrayTableKey($accumulatedKey) && !$isLastKeyPart) {
+                $this->setCurrentPointerToLastElement();
+                continue;
+            }
+        }
+    }
+
+    private function setCurrentPointerToLastElement() : void
+    {
+        $indexLastElement = $this->getKeyLastElementOfArray($this->currentPointer);
+        $this->currentPointer = &$this->currentPointer[$indexLastElement];
+    }
+
+    private function resetCurrentPointer() : Void
+    {
+        $this->currentPointer = &$this->result;
+    }
+
+    private function existsInArrayTableKey($name) : bool
+    {
+        return \in_array($this->unescapeKey($name), $this->ArrayTableKeys);
+    }
+
+    private function getKeyLastElementOfArray(array &$arr)
+    {
+        end($arr);
+
+        return key($arr);
+    }
+}