mirror of
https://github.com/barryvdh/ReflectionDocBlock.git
synced 2026-08-17 17:47:13 +00:00
423 lines
14 KiB
PHP
423 lines
14 KiB
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
/**
|
|
* This file is part of phpDocumentor.
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*
|
|
* @link http://phpdoc.org
|
|
*/
|
|
|
|
namespace Barryvdh\Reflection\DocBlock;
|
|
|
|
use ArrayIterator;
|
|
use InvalidArgumentException;
|
|
use ReflectionClass;
|
|
use ReflectionClassConstant;
|
|
use ReflectionMethod;
|
|
use ReflectionParameter;
|
|
use ReflectionProperty;
|
|
use Reflector;
|
|
use RuntimeException;
|
|
use UnexpectedValueException;
|
|
|
|
use function define;
|
|
use function defined;
|
|
use function file_exists;
|
|
use function file_get_contents;
|
|
use function get_class;
|
|
use function in_array;
|
|
use function is_string;
|
|
use function strrpos;
|
|
use function substr;
|
|
use function token_get_all;
|
|
use function trim;
|
|
|
|
use const T_AS;
|
|
use const T_CLASS;
|
|
use const T_CURLY_OPEN;
|
|
use const T_DOLLAR_OPEN_CURLY_BRACES;
|
|
use const T_NAME_FULLY_QUALIFIED;
|
|
use const T_NAME_QUALIFIED;
|
|
use const T_NAMESPACE;
|
|
use const T_NS_SEPARATOR;
|
|
use const T_STRING;
|
|
use const T_TRAIT;
|
|
use const T_USE;
|
|
|
|
if (!defined('T_NAME_QUALIFIED')) {
|
|
define('T_NAME_QUALIFIED', 10001);
|
|
}
|
|
|
|
if (!defined('T_NAME_FULLY_QUALIFIED')) {
|
|
define('T_NAME_FULLY_QUALIFIED', 10002);
|
|
}
|
|
|
|
/**
|
|
* Convenience class to create a Context for DocBlocks when not using the Reflection Component of phpDocumentor.
|
|
*
|
|
* For a DocBlock to be able to resolve types that use partial namespace names or rely on namespace imports we need to
|
|
* provide a bit of context so that the DocBlock can read that and based on it decide how to resolve the types to
|
|
* Fully Qualified names.
|
|
*
|
|
* @see Context for more information.
|
|
*/
|
|
final class ContextFactory
|
|
{
|
|
/** The literal used at the end of a use statement. */
|
|
private const T_LITERAL_END_OF_USE = ';';
|
|
|
|
/** The literal used between sets of use statements */
|
|
private const T_LITERAL_USE_SEPARATOR = ',';
|
|
|
|
/**
|
|
* Build a Context given a Class Reflection.
|
|
*
|
|
* @see Context for more information on Contexts.
|
|
*/
|
|
public function createFromReflector(Reflector $reflector): Context
|
|
{
|
|
if ($reflector instanceof ReflectionClass) {
|
|
//phpcs:ignore SlevomatCodingStandard.Commenting.InlineDocCommentDeclaration.MissingVariable
|
|
/** @var ReflectionClass<object> $reflector */
|
|
|
|
return $this->createFromReflectionClass($reflector);
|
|
}
|
|
|
|
if ($reflector instanceof ReflectionParameter) {
|
|
return $this->createFromReflectionParameter($reflector);
|
|
}
|
|
|
|
if ($reflector instanceof ReflectionMethod) {
|
|
return $this->createFromReflectionMethod($reflector);
|
|
}
|
|
|
|
if ($reflector instanceof ReflectionProperty) {
|
|
return $this->createFromReflectionProperty($reflector);
|
|
}
|
|
|
|
if ($reflector instanceof ReflectionClassConstant) {
|
|
return $this->createFromReflectionClassConstant($reflector);
|
|
}
|
|
|
|
throw new UnexpectedValueException('Unhandled \Reflector instance given: ' . get_class($reflector));
|
|
}
|
|
|
|
private function createFromReflectionParameter(ReflectionParameter $parameter): Context
|
|
{
|
|
$class = $parameter->getDeclaringClass();
|
|
if (!$class) {
|
|
throw new InvalidArgumentException('Unable to get class of ' . $parameter->getName());
|
|
}
|
|
|
|
return $this->createFromReflectionClass($class);
|
|
}
|
|
|
|
private function createFromReflectionMethod(ReflectionMethod $method): Context
|
|
{
|
|
$class = $method->getDeclaringClass();
|
|
|
|
return $this->createFromReflectionClass($class);
|
|
}
|
|
|
|
private function createFromReflectionProperty(ReflectionProperty $property): Context
|
|
{
|
|
$class = $property->getDeclaringClass();
|
|
|
|
return $this->createFromReflectionClass($class);
|
|
}
|
|
|
|
private function createFromReflectionClassConstant(ReflectionClassConstant $constant): Context
|
|
{
|
|
//phpcs:ignore SlevomatCodingStandard.Commenting.InlineDocCommentDeclaration.MissingVariable
|
|
/** @phpstan-var ReflectionClass<object> $class */
|
|
$class = $constant->getDeclaringClass();
|
|
|
|
return $this->createFromReflectionClass($class);
|
|
}
|
|
|
|
/**
|
|
* @phpstan-param ReflectionClass<object> $class
|
|
*/
|
|
private function createFromReflectionClass(ReflectionClass $class): Context
|
|
{
|
|
$fileName = $class->getFileName();
|
|
$namespace = $class->getNamespaceName();
|
|
|
|
if (is_string($fileName) && file_exists($fileName)) {
|
|
$contents = file_get_contents($fileName);
|
|
if ($contents === false) {
|
|
throw new RuntimeException('Unable to read file "' . $fileName . '"');
|
|
}
|
|
|
|
return $this->createForNamespace($namespace, $contents);
|
|
}
|
|
|
|
return new Context($namespace, []);
|
|
}
|
|
|
|
/**
|
|
* Build a Context for a namespace in the provided file contents.
|
|
*
|
|
* @see Context for more information on Contexts.
|
|
*
|
|
* @param string $namespace It does not matter if a `\` precedes the namespace name,
|
|
* this method first normalizes.
|
|
* @param string $fileContents The file's contents to retrieve the aliases from with the given namespace.
|
|
*/
|
|
public function createForNamespace(string $namespace, string $fileContents): Context
|
|
{
|
|
$namespace = trim($namespace, '\\');
|
|
$useStatements = [];
|
|
$currentNamespace = '';
|
|
$tokens = new ArrayIterator(token_get_all($fileContents));
|
|
|
|
while ($tokens->valid()) {
|
|
$currentToken = $tokens->current();
|
|
switch ($currentToken[0]) {
|
|
case T_NAMESPACE:
|
|
$currentNamespace = $this->parseNamespace($tokens);
|
|
break;
|
|
case T_CLASS:
|
|
case T_TRAIT:
|
|
// Fast-forward the iterator through the class so that any
|
|
// T_USE tokens found within are skipped - these are not
|
|
// valid namespace use statements so should be ignored.
|
|
$braceLevel = 0;
|
|
$firstBraceFound = false;
|
|
while ($tokens->valid() && ($braceLevel > 0 || !$firstBraceFound)) {
|
|
$currentToken = $tokens->current();
|
|
if (
|
|
$currentToken === '{'
|
|
|| in_array($currentToken[0], [T_CURLY_OPEN, T_DOLLAR_OPEN_CURLY_BRACES], true)
|
|
) {
|
|
if (!$firstBraceFound) {
|
|
$firstBraceFound = true;
|
|
}
|
|
|
|
++$braceLevel;
|
|
}
|
|
|
|
if ($currentToken === '}') {
|
|
--$braceLevel;
|
|
}
|
|
|
|
$tokens->next();
|
|
}
|
|
|
|
break;
|
|
case T_USE:
|
|
if ($currentNamespace === $namespace) {
|
|
$useStatements += $this->parseUseStatement($tokens);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
$tokens->next();
|
|
}
|
|
|
|
return new Context($namespace, $useStatements);
|
|
}
|
|
|
|
/**
|
|
* Deduce the name from tokens when we are at the T_NAMESPACE token.
|
|
*
|
|
* @param ArrayIterator<int, string|array{0:int,1:string,2:int}> $tokens
|
|
*/
|
|
private function parseNamespace(ArrayIterator $tokens): string
|
|
{
|
|
// skip to the first string or namespace separator
|
|
$this->skipToNextStringOrNamespaceSeparator($tokens);
|
|
|
|
$name = '';
|
|
$acceptedTokens = [T_STRING, T_NS_SEPARATOR, T_NAME_QUALIFIED];
|
|
while ($tokens->valid() && in_array($tokens->current()[0], $acceptedTokens, true)) {
|
|
$name .= $tokens->current()[1];
|
|
$tokens->next();
|
|
}
|
|
|
|
return $name;
|
|
}
|
|
|
|
/**
|
|
* Deduce the names of all imports when we are at the T_USE token.
|
|
*
|
|
* @param ArrayIterator<int, string|array{0:int,1:string,2:int}> $tokens
|
|
*
|
|
* @return string[]
|
|
* @psalm-return array<string, string>
|
|
*/
|
|
private function parseUseStatement(ArrayIterator $tokens): array
|
|
{
|
|
$uses = [];
|
|
|
|
while ($tokens->valid()) {
|
|
$this->skipToNextStringOrNamespaceSeparator($tokens);
|
|
|
|
$uses += $this->extractUseStatements($tokens);
|
|
$currentToken = $tokens->current();
|
|
if ($currentToken[0] === self::T_LITERAL_END_OF_USE) {
|
|
return $uses;
|
|
}
|
|
}
|
|
|
|
return $uses;
|
|
}
|
|
|
|
/**
|
|
* Fast-forwards the iterator as longs as we don't encounter a T_STRING or T_NS_SEPARATOR token.
|
|
*
|
|
* @param ArrayIterator<int, string|array{0:int,1:string,2:int}> $tokens
|
|
*/
|
|
private function skipToNextStringOrNamespaceSeparator(ArrayIterator $tokens): void
|
|
{
|
|
while ($tokens->valid()) {
|
|
$currentToken = $tokens->current();
|
|
if (in_array($currentToken[0], [T_STRING, T_NS_SEPARATOR], true)) {
|
|
break;
|
|
}
|
|
|
|
if ($currentToken[0] === T_NAME_QUALIFIED) {
|
|
break;
|
|
}
|
|
|
|
if (defined('T_NAME_FULLY_QUALIFIED') && $currentToken[0] === T_NAME_FULLY_QUALIFIED) {
|
|
break;
|
|
}
|
|
|
|
$tokens->next();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Deduce the namespace name and alias of an import when we are at the T_USE token or have not reached the end of
|
|
* a USE statement yet. This will return a key/value array of the alias => namespace.
|
|
*
|
|
* @param ArrayIterator<int, string|array{0:int,1:string,2:int}> $tokens
|
|
*
|
|
* @return string[]
|
|
* @psalm-return array<string, string>
|
|
*
|
|
* @psalm-suppress TypeDoesNotContainType
|
|
*/
|
|
private function extractUseStatements(ArrayIterator $tokens): array
|
|
{
|
|
$extractedUseStatements = [];
|
|
$groupedNs = '';
|
|
$currentNs = '';
|
|
$currentAlias = '';
|
|
$state = 'start';
|
|
|
|
while ($tokens->valid()) {
|
|
$currentToken = $tokens->current();
|
|
$tokenId = is_string($currentToken) ? $currentToken : $currentToken[0];
|
|
$tokenValue = is_string($currentToken) ? null : $currentToken[1];
|
|
switch ($state) {
|
|
case 'start':
|
|
switch ($tokenId) {
|
|
case T_STRING:
|
|
case T_NS_SEPARATOR:
|
|
$currentNs .= (string) $tokenValue;
|
|
$currentAlias = $tokenValue;
|
|
break;
|
|
case T_NAME_QUALIFIED:
|
|
case T_NAME_FULLY_QUALIFIED:
|
|
$currentNs .= (string) $tokenValue;
|
|
$currentAlias = substr(
|
|
(string) $tokenValue,
|
|
(int) (strrpos((string) $tokenValue, '\\')) + 1
|
|
);
|
|
break;
|
|
case T_CURLY_OPEN:
|
|
case '{':
|
|
$state = 'grouped';
|
|
$groupedNs = $currentNs;
|
|
break;
|
|
case T_AS:
|
|
$state = 'start-alias';
|
|
break;
|
|
case self::T_LITERAL_USE_SEPARATOR:
|
|
case self::T_LITERAL_END_OF_USE:
|
|
$state = 'end';
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
break;
|
|
case 'start-alias':
|
|
switch ($tokenId) {
|
|
case T_STRING:
|
|
$currentAlias = $tokenValue;
|
|
break;
|
|
case self::T_LITERAL_USE_SEPARATOR:
|
|
case self::T_LITERAL_END_OF_USE:
|
|
$state = 'end';
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
break;
|
|
case 'grouped':
|
|
switch ($tokenId) {
|
|
case T_STRING:
|
|
case T_NS_SEPARATOR:
|
|
$currentNs .= (string) $tokenValue;
|
|
$currentAlias = $tokenValue;
|
|
break;
|
|
case T_AS:
|
|
$state = 'grouped-alias';
|
|
break;
|
|
case self::T_LITERAL_USE_SEPARATOR:
|
|
$state = 'grouped';
|
|
$extractedUseStatements[(string) $currentAlias] = $currentNs;
|
|
$currentNs = $groupedNs;
|
|
$currentAlias = '';
|
|
break;
|
|
case self::T_LITERAL_END_OF_USE:
|
|
$state = 'end';
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
break;
|
|
case 'grouped-alias':
|
|
switch ($tokenId) {
|
|
case T_STRING:
|
|
$currentAlias = $tokenValue;
|
|
break;
|
|
case self::T_LITERAL_USE_SEPARATOR:
|
|
$state = 'grouped';
|
|
$extractedUseStatements[(string) $currentAlias] = $currentNs;
|
|
$currentNs = $groupedNs;
|
|
$currentAlias = '';
|
|
break;
|
|
case self::T_LITERAL_END_OF_USE:
|
|
$state = 'end';
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ($state === 'end') {
|
|
break;
|
|
}
|
|
|
|
$tokens->next();
|
|
}
|
|
|
|
if ($groupedNs !== $currentNs) {
|
|
$extractedUseStatements[(string) $currentAlias] = $currentNs;
|
|
}
|
|
|
|
return $extractedUseStatements;
|
|
}
|
|
}
|