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[JsonPath] Fix support for comma separated indices #60719

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Merged
merged 1 commit into from
Jun 11, 2025
+119 −1
Merged

[JsonPath] Fix support for comma separated indices #60719

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91 changes: 90 additions & 1 deletion src/Symfony/Component/JsonPath/JsonCrawler.php
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Original file line number Diff line number Diff line change
Expand Up @@ -228,7 +228,56 @@ private function evaluateBracket(string $expr, mixed $value): array
return $this->evaluateFilter($innerExpr, $value);
}

// quoted strings for object keys
// comma-separated values, e.g. `['key1', 'key2', 123]` or `[0, 1, 'key']`
if (str_contains($expr, ',')) {
$parts = $this->parseCommaSeparatedValues($expr);

$result = [];
$keysIndices = array_keys($value);
$isList = array_is_list($value);

foreach ($parts as $part) {
$part = trim($part);

if (preg_match('/^([\'"])(.*)\1$/', $part, $matches)) {
$key = JsonPathUtils::unescapeString($matches[2], $matches[1]);

if ($isList) {
foreach ($value as $item) {
if (\is_array($item) && \array_key_exists($key, $item)) {
$result[] = $item;
break;
}
}

continue; // no results here
}

if (\array_key_exists($key, $value)) {
$result[] = $value[$key];
}
} elseif (preg_match('/^-?\d+$/', $part)) {
// numeric index
$index = (int) $part;
if ($index < 0) {
$index = \count($value) + $index;
}

if ($isList && \array_key_exists($index, $value)) {
$result[] = $value[$index];
continue;
}

// numeric index on a hashmap
if (isset($keysIndices[$index]) && isset($value[$keysIndices[$index]])) {
$result[] = $value[$keysIndices[$index]];
}
}
}

return $result;
}

if (preg_match('/^([\'"])(.*)\1$/', $expr, $matches)) {
$key = JsonPathUtils::unescapeString($matches[2], $matches[1]);

Expand Down Expand Up @@ -415,4 +464,44 @@ private function compare(mixed $left, mixed $right, string $operator): bool
default => false,
};
}

private function parseCommaSeparatedValues(string $expr): array
{
$parts = [];
$current = '';
$inQuotes = false;
$quoteChar = null;

for ($i = 0; $i < \strlen($expr); ++$i) {
$char = $expr[$i];

if ('\\' === $char && $i + 1 < \strlen($expr)) {
$current .= $char.$expr[++$i];
continue;
}

if ('"' === $char || "'" === $char) {
if (!$inQuotes) {
$inQuotes = true;
$quoteChar = $char;
} elseif ($char === $quoteChar) {
$inQuotes = false;
$quoteChar = null;
}
} elseif (!$inQuotes && ',' === $char) {
$parts[] = trim($current);
$current = '';

continue;
}

$current .= $char;
}

if ('' !== $current) {
$parts[] = trim($current);
}

return $parts;
}
}
29 changes: 29 additions & 0 deletions src/Symfony/Component/JsonPath/Tests/JsonCrawlerTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,35 @@ public function testEscapedDoubleQuotesInFieldName()
$this->assertSame(42, $result[0]);
}

public function testMultipleKeysAtOnce()
{
$crawler = new JsonCrawler(<<<JSON
{"a": {"b\\"c": 42}, "b": {"c": 43}}
JSON);

$result = $crawler->find("$['a', 'b', 3]");

$this->assertSame([
['b"c' => 42],
['c' => 43],
], $result);
}

public function testMultipleKeysAtOnceOnArray()
{
$crawler = new JsonCrawler(<<<JSON
[{"a": 1}, {"b": 2}, {"c": 3}, {"a,b,c": 5}, {"d": 4}]
JSON);

$result = $crawler->find("$[0, 2, 'a,b,c', -1]");

$this->assertCount(4, $result);
$this->assertSame(['a' => 1], $result[0]);
$this->assertSame(['c' => 3], $result[1]);
$this->assertSame(['a,b,c' => 5], $result[2]);
$this->assertSame(['d' => 4], $result[3]);
}

public function testBasicNameSelector()
{
$result = self::getBookstoreCrawler()->find('$.store.book')[0];
Expand Down
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