init

lib/PhpSpreadsheet/Style/NumberFormat/Wizard/DateTimeWizard.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Style\NumberFormat\Wizard;
+
+use Stringable;
+
+abstract class DateTimeWizard implements Stringable, Wizard
+{
+    protected const NO_ESCAPING_NEEDED = "$+-/():!^&'~{}<>= ";
+
+    protected function padSeparatorArray(array $separators, int $count): array
+    {
+        $lastSeparator = array_pop($separators);
+
+        return $separators + array_fill(0, $count, $lastSeparator);
+    }
+
+    protected function escapeSingleCharacter(string $value): string
+    {
+        if (str_contains(self::NO_ESCAPING_NEEDED, $value)) {
+            return $value;
+        }
+
+        return "\\{$value}";
+    }
+
+    protected function wrapLiteral(string $value): string
+    {
+        if (mb_strlen($value, 'UTF-8') === 1) {
+            return $this->escapeSingleCharacter($value);
+        }
+
+        // Wrap any other string literals in quotes, so that they're clearly defined as string literals
+        return '"' . str_replace('"', '""', $value) . '"';
+    }
+
+    protected function intersperse(string $formatBlock, ?string $separator): string
+    {
+        return "{$formatBlock}{$separator}";
+    }
+
+    public function __toString(): string
+    {
+        return $this->format();
+    }
+}