2 namespace Consolidation\AnnotatedCommand\Parser\Internal;
4 class FullyQualifiedClassCache
6 protected $classCache = [];
7 protected $namespaceCache = [];
9 public function qualify($filename, $className)
11 $this->primeCache($filename, $className);
12 return $this->cached($filename, $className);
15 protected function cached($filename, $className)
17 return isset($this->classCache[$filename][$className]) ? $this->classCache[$filename][$className] : $className;
20 protected function primeCache($filename, $className)
22 // If the cache has already been primed, do no further work
23 if (isset($this->namespaceCache[$filename])) {
27 $handle = fopen($filename, "r");
32 $namespaceName = $this->primeNamespaceCache($filename, $handle);
33 $this->primeUseCache($filename, $handle);
35 // If there is no 'use' statement for the className, then
36 // generate an effective classname from the namespace
37 if (!isset($this->classCache[$filename][$className])) {
38 $this->classCache[$filename][$className] = $namespaceName . '\\' . $className;
44 protected function primeNamespaceCache($filename, $handle)
46 $namespaceName = $this->readNamespace($handle);
47 if (!$namespaceName) {
50 $this->namespaceCache[$filename] = $namespaceName;
51 return $namespaceName;
54 protected function primeUseCache($filename, $handle)
56 $usedClasses = $this->readUseStatements($handle);
57 if (empty($usedClasses)) {
60 $this->classCache[$filename] = $usedClasses;
63 protected function readNamespace($handle)
65 $namespaceRegex = '#^\s*namespace\s+#';
66 $line = $this->readNextRelevantLine($handle);
67 if (!$line || !preg_match($namespaceRegex, $line)) {
71 $namespaceName = preg_replace($namespaceRegex, '', $line);
72 $namespaceName = rtrim($namespaceName, ';');
73 return $namespaceName;
76 protected function readUseStatements($handle)
78 $useRegex = '#^\s*use\s+#';
81 $line = $this->readNextRelevantLine($handle);
82 if (!$line || !preg_match($useRegex, $line)) {
85 $usedClass = preg_replace($useRegex, '', $line);
86 $usedClass = rtrim($usedClass, ';');
87 $unqualifiedClass = preg_replace('#.*\\\\#', '', $usedClass);
88 // If this is an aliased class, 'use \Foo\Bar as Baz', then adjust
89 if (strpos($usedClass, ' as ')) {
90 $unqualifiedClass = preg_replace('#.*\sas\s+#', '', $usedClass);
91 $usedClass = preg_replace('#\s+as\s+#', '', $usedClass);
93 $result[$unqualifiedClass] = $usedClass;
97 protected function readNextRelevantLine($handle)
99 while (($line = fgets($handle)) !== false) {
100 if (preg_match('#^\s*\w#', $line)) {