Support newlines in rectangles, fixes #286 (#288)

Author: PrinsFrank

src/Document/Dictionary/DictionaryValue/Rectangle/Rectangle.php

@@ -5,6 +5,7 @@
 
 use Override;
 use PrinsFrank\PdfParser\Document\Dictionary\DictionaryValue\DictionaryValue;
+use PrinsFrank\PdfParser\Exception\RuntimeException;
 
 /** @api */
 class Rectangle implements DictionaryValue {
@@ -22,6 +23,9 @@ public static function fromValue(string $valueString): ?self {
             return null;
         }
 
+        $valueString = str_replace([' ', "\r", "\n"], ' ', $valueString);
+        $valueString = preg_replace('/\s+/', ' ', $valueString)
+            ?? throw new RuntimeException(preg_last_error_msg());
         $coords = explode(' ', trim(rtrim(ltrim($valueString, '['), ']')));
         if (count($coords) !== 4) {
             return null;

tests/Unit/Document/Dictionary/DictionaryValue/Rectangle/RectangleTest.php

@@ -30,5 +30,13 @@ public function testFromValue(): void {
             new Rectangle(42.22, 43.33, 44.44, 45.55),
             Rectangle::fromValue('[ 42.22 43.33 44.44 45.55 ]'),
         );
+        static::assertEquals(
+            new Rectangle(0, 0, 595.2756, 841.8898),
+            Rectangle::fromValue('[0 0 595.2756' . "\r" . '841.8898]'),
+        );
+        static::assertEquals(
+            new Rectangle(0, 0, 595.2756, 841.8898),
+            Rectangle::fromValue('[0 0 595.2756' . "\n" . '841.8898]'),
+        );
     }
 }