Add Rector (automatic refactoring)

Add first rule: access global to function (getDolGlobalInt, getDolGlobalString)

dev/tools/rector/src/Renaming/GlobalToFunction.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Dolibarr\Rector\Renaming;
+
+use PhpParser\Node;
+use Rector\Core\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\Exception\PoorDocumentationException;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+class GlobalToFunction extends AbstractRector
+{
+
+	/**
+	 * @throws PoorDocumentationException
+	 */
+	public function getRuleDefinition(): RuleDefinition
+	{
+		return new RuleDefinition(
+			'Change $conf->global to getDolGlobal',
+			[new CodeSample('$conf->global->CONSTANT'
+				, 'getDolGlobalInt(\'CONSTANT\')'
+			)]);
+	}
+
+	public function getNodeTypes(): array
+	{
+		return [Node\Expr\BinaryOp\Equal::class];
+	}
+
+	/**
+	 * @param \PhpParser\Node $node
+	 * @return \PhpParser\Node\Expr\BinaryOp\Equal|void
+	 */
+	public function refactor(Node $node)
+	{
+		if (!$node instanceof Node\Expr\BinaryOp\Equal) {
+			return;
+		};
+		if (!$node->left instanceof Node\Expr\PropertyFetch) {
+			return;
+		}
+		if (!$this->isName($node->left->var, 'global')) {
+			return;
+		}
+		$global = $node->left->var;
+		if (!$global instanceof Node\Expr\PropertyFetch) {
+			return;
+		}
+		if (!$this->isName($global->var, 'conf')) {
+			return;
+		}
+		switch ($node->right->getType()) {
+			case 'Scalar_LNumber':
+				$funcName = 'getDolGlobalInt';
+				break;
+			case 'Scalar_String':
+				$funcName = 'getDolGlobalString';
+				break;
+			default:
+				return;
+
+		}
+		$constName = $this->getName($node->left);
+		if (empty($constName)) {
+			return;
+		}
+		return new Node\Expr\BinaryOp\Equal(
+			new Node\Expr\FuncCall(
+				new Node\Name($funcName),
+				[new Node\Arg(new Node\Scalar\String_($constName))]
+			),
+			$node->right
+		);
+	}
+}