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<?php
/**
* Laravel IDE Helper Generator
*
* @author Barry vd. Heuvel <barryvdh@gmail.com>
* @copyright 2014 Barry vd. Heuvel / Fruitcake Studio (http://www.fruitcakestudio.nl)
* @license http://www.opensource.org/licenses/mit-license.php MIT
* @link https://github.com/barryvdh/laravel-ide-helper
*/
namespace Barryvdh\LaravelIdeHelper;
use Barryvdh\Reflection\DocBlock;
use Barryvdh\Reflection\DocBlock\Context;
use Barryvdh\Reflection\DocBlock\Serializer as DocBlockSerializer;
use Barryvdh\Reflection\DocBlock\Tag;
use Barryvdh\Reflection\DocBlock\Tag\ParamTag;
use Barryvdh\Reflection\DocBlock\Tag\ReturnTag;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Str;
class Method
{
/** @var \Barryvdh\Reflection\DocBlock */
protected $phpdoc;
/** @var \ReflectionMethod */
protected $method;
protected $output = '';
protected $declaringClassName;
protected $name;
protected $namespace;
protected $params = [];
protected $params_with_default = [];
protected $interfaces = [];
protected $real_name;
protected $return = null;
protected $root;
protected $classAliases;
/**
* @param \ReflectionMethod|\ReflectionFunctionAbstract $method
* @param string $alias
* @param \ReflectionClass $class
* @param string|null $methodName
* @param array $interfaces
* @param array $classAliases
*/
public function __construct($method, $alias, $class, $methodName = null, $interfaces = [], array $classAliases = [])
{
$this->method = $method;
$this->interfaces = $interfaces;
$this->classAliases = $classAliases;
$this->name = $methodName ?: $method->name;
$this->real_name = $method->isClosure() ? $this->name : $method->name;
$this->initClassDefinedProperties($method, $class);
//Reference the 'real' function in the declaring class
$this->root = '\\' . ltrim($method->name === '__invoke' ? $method->getDeclaringClass()->getName() : $class->getName(), '\\');
//Create a DocBlock and serializer instance
$this->initPhpDoc($method);
//Normalize the description and inherit the docs from parents/interfaces
try {
$this->normalizeParams($this->phpdoc);
$this->normalizeReturn($this->phpdoc);
$this->normalizeDescription($this->phpdoc);
} catch (\Exception $e) {
}
//Get the parameters, including formatted default values
$this->getParameters($method);
//Make the method static
$this->phpdoc->appendTag(Tag::createInstance('@static', $this->phpdoc));
}
/**
* @param \ReflectionMethod $method
*/
protected function initPhpDoc($method)
{
$this->phpdoc = new DocBlock($method, new Context($this->namespace, $this->classAliases));
}
/**
* @param \ReflectionMethod $method
* @param \ReflectionClass $class
*/
protected function initClassDefinedProperties($method, \ReflectionClass $class)
{
$declaringClass = $method->getDeclaringClass();
$this->namespace = $declaringClass->getNamespaceName();
$this->declaringClassName = '\\' . ltrim($declaringClass->name, '\\');
}
/**
* Get the class wherein the function resides
*
* @return string
*/
public function getDeclaringClass()
{
return $this->declaringClassName;
}
/**
* Return the class from which this function would be called
*
* @return string
*/
public function getRoot()
{
return $this->root;
}
/**
* @return bool
*/
public function isInstanceCall()
{
return !($this->method->isClosure() || $this->method->isStatic());
}
/**
* @return string
*/
public function getRootMethodCall()
{
if ($this->isInstanceCall()) {
return "\$instance->{$this->getRealName()}({$this->getParams()})";
} else {
return "{$this->getRoot()}::{$this->getRealName()}({$this->getParams()})";
}
}
/**
* Get the docblock for this method
*
* @param string $prefix
* @return mixed
*/
public function getDocComment($prefix = "\t\t")
{
$serializer = new DocBlockSerializer(1, $prefix);
return $serializer->getDocComment($this->phpdoc);
}
/**
* Get the method name
*
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* Get the real method name
*
* @return string
*/
public function getRealName()
{
return $this->real_name;
}
/**
* Get the parameters for this method
*
* @param bool $implode Wether to implode the array or not
* @return string
*/
public function getParams($implode = true)
{
return $implode ? implode(', ', $this->params) : $this->params;
}
/**
* Get the parameters for this method including default values
*
* @param bool $implode Wether to implode the array or not
* @return string
*/
public function getParamsWithDefault($implode = true)
{
return $implode ? implode(', ', $this->params_with_default) : $this->params_with_default;
}
/**
* Get the description and get the inherited docs.
*
* @param DocBlock $phpdoc
*/
protected function normalizeDescription(DocBlock $phpdoc)
{
//Get the short + long description from the DocBlock
$description = $phpdoc->getText();
//Loop through parents/interfaces, to fill in {@inheritdoc}
if (strpos($description, '{@inheritdoc}') !== false) {
$inheritdoc = $this->getInheritDoc($this->method);
$inheritDescription = $inheritdoc->getText();
$description = str_replace('{@inheritdoc}', $inheritDescription, $description);
$phpdoc->setText($description);
$this->normalizeParams($inheritdoc);
$this->normalizeReturn($inheritdoc);
//Add the tags that are inherited
$inheritTags = $inheritdoc->getTags();
if ($inheritTags) {
/** @var Tag $tag */
foreach ($inheritTags as $tag) {
$tag->setDocBlock();
$phpdoc->appendTag($tag);
}
}
}
}
/**
* Normalize the parameters
*
* @param DocBlock $phpdoc
*/
protected function normalizeParams(DocBlock $phpdoc)
{
//Get the return type and adjust them for beter autocomplete
$paramTags = $phpdoc->getTagsByName('param');
if ($paramTags) {
/** @var ParamTag $tag */
foreach ($paramTags as $tag) {
// Convert the keywords
$content = $this->convertKeywords($tag->getContent());
$tag->setContent($content);
// Get the expanded type and re-set the content
$content = $tag->getType() . ' ' . $tag->getVariableName() . ' ' . $tag->getDescription();
$tag->setContent(trim($content));
}
}
}
/**
* Normalize the return tag (make full namespace, replace interfaces)
*
* @param DocBlock $phpdoc
*/
protected function normalizeReturn(DocBlock $phpdoc)
{
//Get the return type and adjust them for better autocomplete
$returnTags = $phpdoc->getTagsByName('return');
if (count($returnTags) === 0) {
$this->return = null;
return;
}
/** @var ReturnTag $tag */
$tag = reset($returnTags);
// Get the expanded type
$returnValue = $tag->getType();
// Replace the interfaces
foreach ($this->interfaces as $interface => $real) {
$returnValue = str_replace($interface, $real, $returnValue);
}
// Set the changed content
$tag->setContent($returnValue . ' ' . $tag->getDescription());
$this->return = $returnValue;
if ($tag->getType() === '$this') {
Str::contains($this->root, Builder::class)
? $tag->setType($this->root . '|static')
: $tag->setType($this->root);
}
}
/**
* Convert keywords that are incorrect.
*
* @param string $string
* @return string
*/
protected function convertKeywords($string)
{
$string = str_replace('\Closure', 'Closure', $string);
$string = str_replace('Closure', '\Closure', $string);
$string = str_replace('dynamic', 'mixed', $string);
return $string;
}
/**
* Should the function return a value?
*
* @return bool
*/
public function shouldReturn()
{
if ($this->return !== 'void' && $this->method->name !== '__construct') {
return true;
}
return false;
}
/**
* Get the parameters and format them correctly
*
* @param \ReflectionMethod $method
* @return void
*/
public function getParameters($method)
{
//Loop through the default values for parameters, and make the correct output string
$params = [];
$paramsWithDefault = [];
foreach ($method->getParameters() as $param) {
$paramStr = $param->isVariadic() ? '...$' . $param->getName() : '$' . $param->getName();
$params[] = $paramStr;
if ($param->isOptional() && !$param->isVariadic()) {
$default = $param->isDefaultValueAvailable() ? $param->getDefaultValue() : null;
if (is_bool($default)) {
$default = $default ? 'true' : 'false';
} elseif (is_array($default)) {
$default = '[]';
} elseif (is_null($default)) {
$default = 'null';
} elseif (is_int($default)) {
//$default = $default;
} elseif (is_resource($default)) {
//skip to not fail
} else {
$default = var_export($default, true);
}
$paramStr .= " = $default";
}
$paramsWithDefault[] = $paramStr;
}
$this->params = $params;
$this->params_with_default = $paramsWithDefault;
}
/**
* @param \ReflectionMethod $reflectionMethod
* @return DocBlock
*/
protected function getInheritDoc($reflectionMethod)
{
$parentClass = $reflectionMethod->getDeclaringClass()->getParentClass();
//Get either a parent or the interface
if ($parentClass) {
$method = $parentClass->getMethod($reflectionMethod->getName());
} else {
$method = $reflectionMethod->getPrototype();
}
if ($method) {
$namespace = $method->getDeclaringClass()->getNamespaceName();
$phpdoc = new DocBlock($method, new Context($namespace, $this->classAliases));
if (strpos($phpdoc->getText(), '{@inheritdoc}') !== false) {
//Not at the end yet, try another parent/interface..
return $this->getInheritDoc($method);
}
return $phpdoc;
}
}
}
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