Fix magento/magento-coding-standard#214 with class not found

Magento2/Helpers/Tokenizer/AbstractTokenizer.php

@@ -0,0 +1,128 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento2\Helpers\Tokenizer;
+
+/**
+ * Template constructions tokenizer
+ */
+abstract class AbstractTokenizer
+{
+    /**
+     * Current index in string
+     *
+     * @var int
+     */
+    protected $_currentIndex;
+
+    /**
+     * String for tokenize
+     *
+     * @var string
+     */
+    protected $_string;
+
+    /**
+     * Move current index to next char.
+     *
+     * If index out of bounds returns false
+     *
+     * @return boolean
+     */
+    public function next()
+    {
+        if ($this->_currentIndex + 1 >= strlen($this->_string)) {
+            return false;
+        }
+
+        $this->_currentIndex++;
+        return true;
+    }
+
+    /**
+     * Move current index to previous char.
+     *
+     * If index out of bounds returns false
+     *
+     * @return boolean
+     */
+    public function prev()
+    {
+        if ($this->_currentIndex - 1 < 0) {
+            return false;
+        }
+
+        $this->_currentIndex--;
+        return true;
+    }
+
+    /**
+     * Move current index backwards.
+     *
+     * If index out of bounds returns false
+     *
+     * @param int $distance number of characters to backtrack
+     * @return bool
+     */
+    public function back($distance)
+    {
+        if ($this->_currentIndex - $distance < 0) {
+            return false;
+        }
+
+        $this->_currentIndex -= $distance;
+        return true;
+    }
+
+    /**
+     * Return current char
+     *
+     * @return string
+     */
+    public function char()
+    {
+        return $this->_string[$this->_currentIndex];
+    }
+
+    /**
+     * Set string for tokenize
+     *
+     * @param string $value
+     * @return void
+     */
+    public function setString($value)
+    {
+        //phpcs:ignore Magento2.Functions.DiscouragedFunction
+        $this->_string = rawurldecode($value);
+        $this->reset();
+    }
+
+    /**
+     * Move char index to begin of string
+     *
+     * @return void
+     */
+    public function reset()
+    {
+        $this->_currentIndex = 0;
+    }
+
+    /**
+     * Return true if current char is white-space
+     *
+     * @return boolean
+     */
+    public function isWhiteSpace()
+    {
+        return $this->_string === '' ?: trim($this->char()) !== $this->char();
+    }
+
+    /**
+     * Tokenize string
+     *
+     * @return array
+     */
+    abstract public function tokenize();
+}

Magento2/Helpers/Tokenizer/Parameter.php

@@ -0,0 +1,76 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento2\Helpers\Tokenizer;
+
+/**
+ * Template constructions parameters tokenizer
+ */
+class Parameter extends AbstractTokenizer
+{
+    /**
+     * Tokenize string and return getted parameters
+     *
+     * @return array
+     */
+    public function tokenize()
+    {
+        $parameters = [];
+        $parameterName = '';
+        do {
+            if ($this->isWhiteSpace()) {
+                continue;
+            }
+
+            if ($this->char() !== '=') {
+                $parameterName .= $this->char();
+            } else {
+                $parameters[$parameterName] = $this->getValue();
+                $parameterName = '';
+            }
+        } while ($this->next());
+        return $parameters;
+    }
+
+    /**
+     * Get string value in parameters through tokenize
+     *
+     * @return string
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     */
+    public function getValue()
+    {
+        $this->next();
+        $value = '';
+        if ($this->isWhiteSpace()) {
+            return $value;
+        }
+        $quoteStart = $this->char() == "'" || $this->char() == '"';
+
+        if ($quoteStart) {
+            $breakSymbol = $this->char();
+        } else {
+            $breakSymbol = false;
+            $value .= $this->char();
+        }
+
+        while ($this->next()) {
+            if (!$breakSymbol && $this->isWhiteSpace()) {
+                break;
+            } elseif ($breakSymbol && $this->char() == $breakSymbol) {
+                break;
+            } elseif ($this->char() == '\\') {
+                $this->next();
+                if ($this->char() != '\\') {
+                    $value .= '\\';
+                }
+                $value .= $this->char();
+            } else {
+                $value .= $this->char();
+            }
+        }
+        return $value;
+    }
+}