From 662d984671dbdd7f19c245b087398f2949d9d3d9 Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@qossmic.com>
Date: Fri, 27 Dec 2024 12:50:18 +0100
Subject: [PATCH] do not swallow subsequent spaces in unquoted mapping values

---
 src/Symfony/Component/Yaml/Parser.php           | 10 +++++-----
 src/Symfony/Component/Yaml/Tests/ParserTest.php |  5 +++++
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/Symfony/Component/Yaml/Parser.php b/src/Symfony/Component/Yaml/Parser.php
index 2a15bcae3d157..cb2553e2f41ea 100644
--- a/src/Symfony/Component/Yaml/Parser.php
+++ b/src/Symfony/Component/Yaml/Parser.php
@@ -1213,8 +1213,8 @@ private function lexInlineStructure(int &$cursor, string $closingTag): string
                         $value .= $this->lexUnquotedString($cursor);
                 }
 
-                if ($this->consumeWhitespaces($cursor)) {
-                    $value .= ' ';
+                if (0 < $numberOfConsumedWhitespaces = $this->consumeWhitespaces($cursor)) {
+                    $value .= isset($this->currentLine[$cursor]) ? str_repeat(' ', $numberOfConsumedWhitespaces) : ' ';
                 }
             }
 
@@ -1226,7 +1226,7 @@ private function lexInlineStructure(int &$cursor, string $closingTag): string
         throw new ParseException('Malformed inline YAML string.');
     }
 
-    private function consumeWhitespaces(int &$cursor): bool
+    private function consumeWhitespaces(int &$cursor): int
     {
         $whitespacesConsumed = 0;
 
@@ -1236,7 +1236,7 @@ private function consumeWhitespaces(int &$cursor): bool
             $cursor += $whitespaceOnlyTokenLength;
 
             if (isset($this->currentLine[$cursor])) {
-                return 0 < $whitespacesConsumed;
+                return $whitespacesConsumed;
             }
 
             if ($this->hasMoreLines()) {
@@ -1244,6 +1244,6 @@ private function consumeWhitespaces(int &$cursor): bool
             }
         } while ($this->moveToNextLine());
 
-        return 0 < $whitespacesConsumed;
+        return $whitespacesConsumed;
     }
 }
diff --git a/src/Symfony/Component/Yaml/Tests/ParserTest.php b/src/Symfony/Component/Yaml/Tests/ParserTest.php
index 3c4c071135855..b26256887e82a 100644
--- a/src/Symfony/Component/Yaml/Tests/ParserTest.php
+++ b/src/Symfony/Component/Yaml/Tests/ParserTest.php
@@ -2212,6 +2212,11 @@ public static function inlineNotationSpanningMultipleLinesProvider(): array
         ];
     }
 
+    public function testParseSubsequentSpacesInsideUnquotedInlineMappingValueNestedInSequence()
+    {
+        $this->assertSame([['name' => 'A  B']], $this->parser->parse('- {name: A  B}'));
+    }
+
     public function testRootLevelInlineMappingFollowedByMoreContentIsInvalid()
     {
         $this->expectException(ParseException::class);