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<?php declare(strict_types=1);
/*
* This file is part of sebastian/code-unit.
*
* (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\CodeUnit;
use function array_keys;
use function array_merge;
use function array_unique;
use function array_values;
use function class_exists;
use function explode;
use function function_exists;
use function interface_exists;
use function ksort;
use function method_exists;
use function sort;
use function sprintf;
use function str_replace;
use function strpos;
use function trait_exists;
use ReflectionClass;
use ReflectionFunction;
use ReflectionMethod;
final class Mapper
{
/**
* @psalm-return array<string,list<int>>
*/
public function codeUnitsToSourceLines(CodeUnitCollection $codeUnits): array
{
$result = [];
foreach ($codeUnits as $codeUnit) {
$sourceFileName = $codeUnit->sourceFileName();
if (!isset($result[$sourceFileName])) {
$result[$sourceFileName] = [];
}
$result[$sourceFileName] = array_merge($result[$sourceFileName], $codeUnit->sourceLines());
}
foreach (array_keys($result) as $sourceFileName) {
$result[$sourceFileName] = array_values(array_unique($result[$sourceFileName]));
sort($result[$sourceFileName]);
}
ksort($result);
return $result;
}
/**
* @throws InvalidCodeUnitException
* @throws ReflectionException
*/
public function stringToCodeUnits(string $unit): CodeUnitCollection
{
if (strpos($unit, '::') !== false) {
[$firstPart, $secondPart] = explode('::', $unit);
if (empty($firstPart) && $this->isUserDefinedFunction($secondPart)) {
return CodeUnitCollection::fromList(CodeUnit::forFunction($secondPart));
}
if ($this->isUserDefinedClass($firstPart)) {
if ($secondPart === '<public>') {
return $this->publicMethodsOfClass($firstPart);
}
if ($secondPart === '<!public>') {
return $this->protectedAndPrivateMethodsOfClass($firstPart);
}
if ($secondPart === '<protected>') {
return $this->protectedMethodsOfClass($firstPart);
}
if ($secondPart === '<!protected>') {
return $this->publicAndPrivateMethodsOfClass($firstPart);
}
if ($secondPart === '<private>') {
return $this->privateMethodsOfClass($firstPart);
}
if ($secondPart === '<!private>') {
return $this->publicAndProtectedMethodsOfClass($firstPart);
}
if ($this->isUserDefinedMethod($firstPart, $secondPart)) {
return CodeUnitCollection::fromList(CodeUnit::forClassMethod($firstPart, $secondPart));
}
}
if ($this->isUserDefinedInterface($firstPart)) {
return CodeUnitCollection::fromList(CodeUnit::forInterfaceMethod($firstPart, $secondPart));
}
if ($this->isUserDefinedTrait($firstPart)) {
return CodeUnitCollection::fromList(CodeUnit::forTraitMethod($firstPart, $secondPart));
}
} else {
if ($this->isUserDefinedClass($unit)) {
$units = [CodeUnit::forClass($unit)];
foreach ($this->reflectorForClass($unit)->getTraits() as $trait) {
if (!$trait->isUserDefined()) {
// @codeCoverageIgnoreStart
continue;
// @codeCoverageIgnoreEnd
}
$units[] = CodeUnit::forTrait($trait->getName());
}
return CodeUnitCollection::fromArray($units);
}
if ($this->isUserDefinedInterface($unit)) {
return CodeUnitCollection::fromList(CodeUnit::forInterface($unit));
}
if ($this->isUserDefinedTrait($unit)) {
return CodeUnitCollection::fromList(CodeUnit::forTrait($unit));
}
if ($this->isUserDefinedFunction($unit)) {
return CodeUnitCollection::fromList(CodeUnit::forFunction($unit));
}
$unit = str_replace('<extended>', '', $unit);
if ($this->isUserDefinedClass($unit)) {
return $this->classAndParentClassesAndTraits($unit);
}
}
throw new InvalidCodeUnitException(
sprintf(
'"%s" is not a valid code unit',
$unit
)
);
}
/**
* @psalm-param class-string $className
*
* @throws ReflectionException
*/
private function publicMethodsOfClass(string $className): CodeUnitCollection
{
return $this->methodsOfClass($className, ReflectionMethod::IS_PUBLIC);
}
/**
* @psalm-param class-string $className
*
* @throws ReflectionException
*/
private function publicAndProtectedMethodsOfClass(string $className): CodeUnitCollection
{
return $this->methodsOfClass($className, ReflectionMethod::IS_PUBLIC | ReflectionMethod::IS_PROTECTED);
}
/**
* @psalm-param class-string $className
*
* @throws ReflectionException
*/
private function publicAndPrivateMethodsOfClass(string $className): CodeUnitCollection
{
return $this->methodsOfClass($className, ReflectionMethod::IS_PUBLIC | ReflectionMethod::IS_PRIVATE);
}
/**
* @psalm-param class-string $className
*
* @throws ReflectionException
*/
private function protectedMethodsOfClass(string $className): CodeUnitCollection
{
return $this->methodsOfClass($className, ReflectionMethod::IS_PROTECTED);
}
/**
* @psalm-param class-string $className
*
* @throws ReflectionException
*/
private function protectedAndPrivateMethodsOfClass(string $className): CodeUnitCollection
{
return $this->methodsOfClass($className, ReflectionMethod::IS_PROTECTED | ReflectionMethod::IS_PRIVATE);
}
/**
* @psalm-param class-string $className
*
* @throws ReflectionException
*/
private function privateMethodsOfClass(string $className): CodeUnitCollection
{
return $this->methodsOfClass($className, ReflectionMethod::IS_PRIVATE);
}
/**
* @psalm-param class-string $className
*
* @throws ReflectionException
*/
private function methodsOfClass(string $className, int $filter): CodeUnitCollection
{
$units = [];
foreach ($this->reflectorForClass($className)->getMethods($filter) as $method) {
if (!$method->isUserDefined()) {
continue;
}
$units[] = CodeUnit::forClassMethod($className, $method->getName());
}
return CodeUnitCollection::fromArray($units);
}
/**
* @psalm-param class-string $className
*
* @throws ReflectionException
*/
private function classAndParentClassesAndTraits(string $className): CodeUnitCollection
{
$units = [CodeUnit::forClass($className)];
$reflector = $this->reflectorForClass($className);
foreach ($this->reflectorForClass($className)->getTraits() as $trait) {
if (!$trait->isUserDefined()) {
// @codeCoverageIgnoreStart
continue;
// @codeCoverageIgnoreEnd
}
$units[] = CodeUnit::forTrait($trait->getName());
}
while ($reflector = $reflector->getParentClass()) {
if (!$reflector->isUserDefined()) {
break;
}
$units[] = CodeUnit::forClass($reflector->getName());
foreach ($reflector->getTraits() as $trait) {
if (!$trait->isUserDefined()) {
// @codeCoverageIgnoreStart
continue;
// @codeCoverageIgnoreEnd
}
$units[] = CodeUnit::forTrait($trait->getName());
}
}
return CodeUnitCollection::fromArray($units);
}
/**
* @psalm-param class-string $className
*
* @throws ReflectionException
*/
private function reflectorForClass(string $className): ReflectionClass
{
try {
return new ReflectionClass($className);
// @codeCoverageIgnoreStart
} catch (\ReflectionException $e) {
throw new ReflectionException(
$e->getMessage(),
(int) $e->getCode(),
$e
);
}
// @codeCoverageIgnoreEnd
}
/**
* @throws ReflectionException
*/
private function isUserDefinedFunction(string $functionName): bool
{
if (!function_exists($functionName)) {
return false;
}
try {
return (new ReflectionFunction($functionName))->isUserDefined();
// @codeCoverageIgnoreStart
} catch (\ReflectionException $e) {
throw new ReflectionException(
$e->getMessage(),
(int) $e->getCode(),
$e
);
}
// @codeCoverageIgnoreEnd
}
/**
* @throws ReflectionException
*/
private function isUserDefinedClass(string $className): bool
{
if (!class_exists($className)) {
return false;
}
try {
return (new ReflectionClass($className))->isUserDefined();
// @codeCoverageIgnoreStart
} catch (\ReflectionException $e) {
throw new ReflectionException(
$e->getMessage(),
(int) $e->getCode(),
$e
);
}
// @codeCoverageIgnoreEnd
}
/**
* @throws ReflectionException
*/
private function isUserDefinedInterface(string $interfaceName): bool
{
if (!interface_exists($interfaceName)) {
return false;
}
try {
return (new ReflectionClass($interfaceName))->isUserDefined();
// @codeCoverageIgnoreStart
} catch (\ReflectionException $e) {
throw new ReflectionException(
$e->getMessage(),
(int) $e->getCode(),
$e
);
}
// @codeCoverageIgnoreEnd
}
/**
* @throws ReflectionException
*/
private function isUserDefinedTrait(string $traitName): bool
{
if (!trait_exists($traitName)) {
return false;
}
try {
return (new ReflectionClass($traitName))->isUserDefined();
// @codeCoverageIgnoreStart
} catch (\ReflectionException $e) {
throw new ReflectionException(
$e->getMessage(),
(int) $e->getCode(),
$e
);
}
// @codeCoverageIgnoreEnd
}
/**
* @throws ReflectionException
*/
private function isUserDefinedMethod(string $className, string $methodName): bool
{
if (!class_exists($className)) {
// @codeCoverageIgnoreStart
return false;
// @codeCoverageIgnoreEnd
}
if (!method_exists($className, $methodName)) {
// @codeCoverageIgnoreStart
return false;
// @codeCoverageIgnoreEnd
}
try {
return (new ReflectionMethod($className, $methodName))->isUserDefined();
// @codeCoverageIgnoreStart
} catch (\ReflectionException $e) {
throw new ReflectionException(
$e->getMessage(),
(int) $e->getCode(),
$e
);
}
// @codeCoverageIgnoreEnd
}
}
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