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<?php
/**
* This file is part of PDepend.
*
* PHP Version 5
*
* Copyright (c) 2008-2017 Manuel Pichler <[email protected]>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Manuel Pichler nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @copyright 2008-2017 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
namespace PDepend\Source\AST;
use PDepend\Source\ASTVisitor\ASTVisitor;
/**
* Represents a php namespace node.
*
* @copyright 2008-2017 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
class ASTNamespace extends AbstractASTArtifact
{
/**
* The unique identifier for this function.
*
* @var string
*/
protected $id = null;
/**
* List of all {@link AbstractASTClassOrInterface}
* objects for this namespace.
*
* @var AbstractASTClassOrInterface[]
*/
protected $types = array();
/**
* List of all standalone {@link ASTFunction} objects
* in this namespace.
*
* @var ASTFunction[]
*/
protected $functions = array();
/**
* Does this namespace contain user defined functions, classes or interfaces?
*
* @var bool
*/
private $userDefined = null;
/**
* @var bool
*/
protected $packageAnnotation = false;
/**
* Constructs a new namespace for the given <b>$name</b>
*
* @param string $name
*/
public function __construct($name)
{
parent::__construct($name);
$this->id = spl_object_hash($this);
}
/**
* Returns a id for this code node.
*
* @return string
*/
public function getId()
{
return $this->id;
}
/**
* Returns <b>true</b> when at least one artifact <b>function</b> or a
* <b>class/method</b> is user defined. Otherwise this method will return
* <b>false</b>.
*
* @return bool
*
* @since 0.9.10
*/
public function isUserDefined()
{
if ($this->userDefined === null) {
$this->userDefined = $this->checkUserDefined();
}
return $this->userDefined;
}
/**
* Returns <b>true</b> when at least one artifact <b>function</b> or a
* <b>class/method</b> is user defined. Otherwise this method will return
* <b>false</b>.
*
* @return bool
*
* @since 0.9.10
*/
private function checkUserDefined()
{
foreach ($this->types as $type) {
if ($type->isUserDefined()) {
return true;
}
}
return (count($this->functions) > 0);
}
/**
* Returns an array with all {@link ASTTrait}
* instances declared in this namespace.
*
* @return ASTArtifactList<ASTTrait>
*
* @since 1.0.0
*/
public function getTraits()
{
return $this->getTypesOfType('PDepend\\Source\\AST\\ASTTrait');
}
/**
* Returns an iterator with all {@link ASTClass}
* instances within this namespace.
*
* @return ASTArtifactList<ASTClass>
*/
public function getClasses()
{
return $this->getTypesOfType('PDepend\\Source\\AST\\ASTClass');
}
/**
* Returns an iterator with all {@link ASTEnum}
* instances within this namespace.
*
* @return ASTArtifactList<ASTEnum>
*/
public function getEnums()
{
return $this->getTypesOfType('PDepend\\Source\\AST\\ASTEnum');
}
/**
* Returns an iterator with all {@link ASTInterface}
* instances within this namespace.
*
* @return ASTArtifactList<ASTInterface>
*/
public function getInterfaces()
{
return $this->getTypesOfType('PDepend\\Source\\AST\\ASTInterface');
}
/**
* Returns an iterator with all types of the given <b>$className</b> in this
* namespace.
*
* @template T of AbstractASTClassOrInterface
*
* @param class-string<T> $className The class/type we are looking for.
*
* @return ASTArtifactList<T>
*
* @since 1.0.0
*/
private function getTypesOfType($className)
{
$types = array();
foreach ($this->types as $type) {
if ($type instanceof $className && get_class($type) === $className) {
$types[] = $type;
}
}
return new ASTArtifactList($types);
}
/**
* Returns all {@link AbstractASTClassOrInterface} objects in
* this namespace.
*
* @return ASTArtifactList<AbstractASTClassOrInterface>
*/
public function getTypes()
{
return new ASTArtifactList($this->types);
}
/**
* Adds the given type to this namespace and returns the input type instance.
*
* @param AbstractASTClassOrInterface $type
*
* @return AbstractASTClassOrInterface
*/
public function addType(AbstractASTType $type)
{
// Skip if this namespace already contains this type
if (in_array($type, $this->types, true)) {
return $type;
}
if ($type->getNamespace() !== null) {
$type->getNamespace()->removeType($type);
}
// Set this as class namespace
$type->setNamespace($this);
// Append class to internal list
$this->types[$type->getId()] = $type;
return $type;
}
/**
* Removes the given type instance from this namespace.
*
* @param AbstractASTClassOrInterface $type
*
* @return void
*/
public function removeType(AbstractASTType $type)
{
if (($index = array_search($type, $this->types, true)) !== false) {
// Remove class from internal list
unset($this->types[$index]);
// Remove this as parent
$type->unsetNamespace();
}
}
/**
* Returns all {@link ASTFunction} objects in this
* namespace.
*
* @return ASTArtifactList<ASTFunction>
*/
public function getFunctions()
{
return new ASTArtifactList($this->functions);
}
/**
* Adds the given function to this namespace and returns the input instance.
*
* @return ASTFunction
*/
public function addFunction(ASTFunction $function)
{
if ($function->getNamespace() !== null) {
$function->getNamespace()->removeFunction($function);
}
$function->setNamespace($this);
// Append function to internal list
$this->functions[$function->getId()] = $function;
return $function;
}
/**
* Removes the given function from this namespace.
*
* @return void
*/
public function removeFunction(ASTFunction $function)
{
if (($index = array_search($function, $this->functions, true)) !== false) {
// Remove function from internal list
unset($this->functions[$index]);
// Remove this as parent
$function->unsetNamespace();
}
}
/**
* @return bool
*/
public function isPackageAnnotation()
{
return $this->packageAnnotation;
}
/**
* @param bool $packageAnnotation
*
* @return void
*/
public function setPackageAnnotation($packageAnnotation)
{
$this->packageAnnotation = $packageAnnotation;
}
}