8000 [Config] improve perf of glob discovery when GLOB_BRACE is not available · symfony/symfony@8aad0e7 · GitHub
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nicolas-grekasnicolas-grekas
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[Config] improve perf of glob discovery when GLOB_BRACE is not available
1 parent 32b09a8 commit 8aad0e7

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2 files changed

+62
-2
lines changed

2 files changed

+62
-2
lines changed

‎src/Symfony/Component/Config/Resource/GlobResource.php

Lines changed: 45 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -31,6 +31,7 @@ class GlobResource implements \IteratorAggregate, SelfCheckingResourceInterface
3131
private $hash;
3232
private $forExclusion;
3333
private $excludedPrefixes;
34+
private $globBrace;
3435

3536
/**
3637
* @param string $prefix A directory prefix
@@ -47,6 +48,7 @@ public function __construct(string $prefix, string $pattern, bool $recursive, bo
4748
$this->recursive = $recursive;
4849
$this->forExclusion = $forExclusion;
4950
$this->excludedPrefixes = $excludedPrefixes;
51+
$this->globBrace = \defined('GLOB_BRACE') ? GLOB_BRACE : 0;
5052

5153
if (false === $this->prefix) {
5254
throw new \InvalidArgumentException(sprintf('The path "%s" does not exist.', $prefix));
@@ -101,9 +103,20 @@ public function getIterator()
101103
return;
102104
}
103105
$prefix = str_replace('\\', '/', $this->prefix);
106+
$paths = null;
107+
108+
if (0 !== strpos($this->prefix, 'phar://') && false === strpos($this->pattern, '/**/')) {
109+
if ($this->globBrace || false === strpos($this->pattern, '{')) {
110+
$paths = glob($this->prefix.$this->pattern, GLOB_NOSORT | $this->globBrace);
111+
} elseif (false === strpos($this->pattern, '\\') || !preg_match('/\\\\[,{}]/', $this->pattern)) {
112+
foreach ($this->expandGlob($this->pattern) as $p) {
113+
$paths[] = glob($this->prefix.$p, GLOB_NOSORT);
114+
}
115+
$paths = array_merge(...$paths);
116+
}
117+
}
104118

105-
if (0 !== strpos($this->prefix, 'phar://') && false === strpos($this->pattern, '/**/') && (\defined('GLOB_BRACE') || false === strpos($this->pattern, '{'))) {
106-
$paths = glob($this->prefix.$this->pattern, GLOB_NOSORT | (\defined('GLOB_BRACE') ? GLOB_BRACE : 0));
119+
if (null !== $paths) {
107120
sort($paths);
108121
foreach ($paths as $path) {
109122
if ($this->excludedPrefixes) {
@@ -187,4 +200,34 @@ private function computeHash(): string
187200

188201
return hash_final($hash);
189202
}
203+
204+
private function expandGlob(string $pattern): array
205+
{
206+
$segments = preg_split('/\{([^{}]*+)\}/', $pattern, -1, PREG_SPLIT_DELIM_CAPTURE);
207+
$paths = [$segments[0]];
208+
$patterns = [];
209+
210+
for ($i = 1; $i < \count($segments); $i += 2) {
211+
$patterns = [];
212+
213+
foreach (explode(',', $segments[$i]) as $s) {
214+
foreach ($paths as $p) {
215+
$patterns[] = $p.$s.$segments[1 + $i];
216+
}
217+
}
218+
219+
$paths = $patterns;
220+
}
221+
222+
$j = 0;
223+
foreach ($patterns as $i => $p) {
224+
if (false !== strpos($p, '{')) {
225+
$p = $this->expandGlob($p);
226+
array_splice($paths, $i + $j, 1, $p);
227+
$j += \count($p) - 1;
228+
}
229+
}
230+
231+
return $paths;
232+
}
190233
}

‎src/Symfony/Component/Config/Tests/Resource/GlobResourceTest.php

Lines changed: 17 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -165,4 +165,21 @@ public function testIsFreshRecursiveDetectsNewFile()
165165
touch($dir.'/Resource/TmpGlob');
166166
$this->assertFalse($resource->isFresh(0));
167167
}
168+
169+
public function testBraceFallback()
170+
{
171+
$dir = \dirname(__DIR__) 6D40 .\DIRECTORY_SEPARATOR.'Fixtures';
172+
$resource = new GlobResource($dir, '/*{/*/*.txt,.x{m}l}', true);
173+
174+
$p = new \ReflectionProperty($resource, 'globBrace');
175+
$p->setAccessible(true);
176+
$p->setValue($resource, 0);
177+
178+
$expected = [
179+
$dir.'/Exclude/ExcludeToo/AnotheExcludedFile.txt',
180+
$dir.'/foo.xml',
181+
];
182+
183+
$this->assertSame($expected, array_keys(iterator_to_array($resource)));
184+
}
168185
}

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