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