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<?php /* * This file is part of code-unit-reverse-lookup. * * (c) Sebastian Bergmann <sebastian@phpunit.de> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */
namespace SebastianBergmann\CodeUnitReverseLookup;
/** * @since Class available since Release 1.0.0 */ class Wizard { /** * @var array */ private $lookupTable = [];
/** * @var array */ private $processedClasses = [];
/** * @var array */ private $processedFunctions = [];
/** * @param string $filename * @param int $lineNumber * * @return string */ public function lookup($filename, $lineNumber) { if (!isset($this->lookupTable[$filename][$lineNumber])) { $this->updateLookupTable(); }
if (isset($this->lookupTable[$filename][$lineNumber])) { return $this->lookupTable[$filename][$lineNumber]; } else { return $filename . ':' . $lineNumber; } }
private function updateLookupTable() { $this->processClassesAndTraits(); $this->processFunctions(); }
private function processClassesAndTraits() { foreach (array_merge(get_declared_classes(), get_declared_traits()) as $classOrTrait) { if (isset($this->processedClasses[$classOrTrait])) { continue; }
$reflector = new \ReflectionClass($classOrTrait);
foreach ($reflector->getMethods() as $method) { $this->processFunctionOrMethod($method); }
$this->processedClasses[$classOrTrait] = true; } }
private function processFunctions() { foreach (get_defined_functions()['user'] as $function) { if (isset($this->processedFunctions[$function])) { continue; }
$this->processFunctionOrMethod(new \ReflectionFunction($function));
$this->processedFunctions[$function] = true; } }
/** * @param \ReflectionFunctionAbstract $functionOrMethod */ private function processFunctionOrMethod(\ReflectionFunctionAbstract $functionOrMethod) { if ($functionOrMethod->isInternal()) { return; }
$name = $functionOrMethod->getName();
if ($functionOrMethod instanceof \ReflectionMethod) { $name = $functionOrMethod->getDeclaringClass()->getName() . '::' . $name; }
if (!isset($this->lookupTable[$functionOrMethod->getFileName()])) { $this->lookupTable[$functionOrMethod->getFileName()] = []; }
foreach (range($functionOrMethod->getStartLine(), $functionOrMethod->getEndLine()) as $line) { $this->lookupTable[$functionOrMethod->getFileName()][$line] = $name; } } }
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