Handle scientific notation when parsing sizes

Author: raxbg

lib/Sabberworm/CSS/Value/Size.php

@@ -28,9 +28,11 @@ public static function parse(ParserState $oParserState, $bIsColorComponent = fal
 		if ($oParserState->comes('-')) {
 			$sSize .= $oParserState->consume('-');
 		}
-		while (is_numeric($oParserState->peek()) || $oParserState->comes('.')) {
+		while (is_numeric($oParserState->peek()) || $oParserState->comes('.') || $oParserState->comes('e+', true) || $oParserState->comes('e-', true)) {
 			if ($oParserState->comes('.')) {
 				$sSize .= $oParserState->consume('.');
+			} else if ($oParserState->comes('e', true)) {
+				$sSize .= $oParserState->consume(2);
 			} else {
 				$sSize .= $oParserState->consume(1);
 			}

tests/Sabberworm/CSS/ParserTest.php

@@ -761,6 +761,12 @@ function testLargeSizeValuesInFile() {
 		$this->assertSame($sExpected, $oDoc->render());
 	}
 
+	function testScientificNotationSizeValuesInFile() {
+		$oDoc = $this->parsedStructureForFile('scientific-notation-numbers', Settings::create()->withMultibyteSupport(false));
+		$sExpected = 'body {background-color: rgba(62,174,151,3041820656523200167936);z-index: .030418206565232;}';
+		$this->assertSame($sExpected, $oDoc->render());
+	}
+
 	function testLonelyImport() {
 		$oDoc = $this->parsedStructureForFile('lonely-import');
 		$sExpected = "@import url(\"example.css\") only screen and (max-width: 600px);";

tests/files/scientific-notation-numbers.css

@@ -0,0 +1,4 @@
+body {
+  background-color: rgba(62,174,151,3.0418206565232E+21);
+  z-index: 3.0418206565232E-2
+}