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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\Util;
use ReflectionExtension;
/**
* Utility class that can be used to detect simpl scalars or internal types.
*
* @copyright 2008-2017 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
final class Type
{
/**
* Constants for valid php data types.
*/
const PHP_TYPE_ARRAY = 'array',
PHP_TYPE_BOOLEAN = 'boolean',
PHP_TYPE_FLOAT = 'float',
PHP_TYPE_INTEGER = 'integer',
PHP_TYPE_STRING = 'string';
/**
* Constants with valid php data type identifiers.
*/
const IMAGE_ARRAY = 'array',
IMAGE_BOOL = 'bool',
IMAGE_BOOLEAN = 'boolean',
IMAGE_DOUBLE = 'double',
IMAGE_FLOAT = 'float',
IMAGE_INT = 'int',
IMAGE_INTEGER = 'integer',
IMAGE_MIXED = 'mixed',
IMAGE_REAL = 'real',
IMAGE_RESOURCE = 'resource',
IMAGE_OBJECT = 'object',
IMAGE_STRING = 'string',
IMAGE_STDCLASS = 'stdclass',
IMAGE_VOID = 'void';
/**
* Constants with the metaphone representation of multiple php data types.
*/
const IMAGE_METAPHONE_ARRAY = 'AR',
IMAGE_METAPHONE_BOOL = 'BL',
IMAGE_METAPHONE_BOOLEAN = 'BLN',
IMAGE_METAPHONE_DOUBLE = 'TBL',
IMAGE_METAPHONE_FLOAT = 'FLT',
IMAGE_METAPHONE_INT = 'INT',
IMAGE_METAPHONE_INTEGER = 'INTJR',
IMAGE_METAPHONE_MIXED = 'MKST',
IMAGE_METAPHONE_REAL = 'RL',
IMAGE_METAPHONE_RESOURCE = 'RSRS',
IMAGE_METAPHONE_OBJECT = 'OBJKT',
IMAGE_METAPHONE_STRING = 'STRNK',
IMAGE_METAPHONE_STDCLASS = 'STTKLS',
IMAGE_METAPHONE_UNKNOWN = 'UNKNN',
IMAGE_METAPHONE_UNKNOWN_TYPE = 'UNKNNTP';
/**
* Constants with the soundex representation of multiple php data types.
*/
const IMAGE_SOUNDEX_ARRAY = 'A600',
IMAGE_SOUNDEX_BOOL = 'B450',
IMAGE_SOUNDEX_BOOLEAN = 'B400',
IMAGE_SOUNDEX_DOUBLE = 'D140',
IMAGE_SOUNDEX_FLOAT = 'F430',
IMAGE_SOUNDEX_INT = 'I530',
IMAGE_SOUNDEX_INTEGER = 'I532',
IMAGE_SOUNDEX_MIXED = 'M230',
IMAGE_SOUNDEX_REAL = 'R400',
IMAGE_SOUNDEX_RESOURCE = 'R262',
IMAGE_SOUNDEX_OBJECT = 'O122',
IMAGE_SOUNDEX_STRING = 'S365',
IMAGE_SOUNDEX_STDCLASS = 'S324',
IMAGE_SOUNDEX_UNKNOWN = 'U525';
/**
* Constants for other types/keywords frequently used.
*/
const IMAGE_OTHER_NULL = 'null',
IMAGE_OTHER_FALSE = 'false',
IMAGE_OTHER_TRUE = 'true',
IMAGE_OTHER_UNKNOWN = 'unknown',
IMAGE_OTHER_UNKNOWN_TYPE = 'unknown_type';
/**
* This property contains a mapping between a unified lower case type name
* and the corresponding PHP extension that declares this type.
*
* @var array<string, string>
*/
private static $typeNameToExtension = null;
/**
* Hash with all internal namespaces/extensions. Key and value are identical
* and contain the name of the extension.
*
* @var array<string, string>
*
* @since 0.9.10
*/
private static $internalNamespaces = null;
/**
* List of scalar php types.
*
* @var array<string, bool>
*/
private static $scalarTypes = array(
self::IMAGE_ARRAY => true,
self::IMAGE_BOOL => true,
self::IMAGE_BOOLEAN => true,
self::IMAGE_DOUBLE => true,
self::IMAGE_FLOAT => true,
self::IMAGE_INT => true,
self::IMAGE_INTEGER => true,
self::IMAGE_MIXED => true,
self::IMAGE_REAL => true,
self::IMAGE_RESOURCE => true,
self::IMAGE_OBJECT => true,
self::IMAGE_STRING => true,
self::IMAGE_STDCLASS => true,
self::IMAGE_VOID => true,
self::IMAGE_OTHER_NULL => true,
self::IMAGE_OTHER_FALSE => true,
self::IMAGE_OTHER_TRUE => true,
self::IMAGE_OTHER_UNKNOWN => true,
self::IMAGE_OTHER_UNKNOWN_TYPE => true,
self::IMAGE_METAPHONE_ARRAY => true,
self::IMAGE_METAPHONE_BOOL => true,
self::IMAGE_METAPHONE_BOOLEAN => true,
self::IMAGE_METAPHONE_DOUBLE => true,
self::IMAGE_METAPHONE_FLOAT => true,
self::IMAGE_METAPHONE_INT => true,
self::IMAGE_METAPHONE_INTEGER => true,
self::IMAGE_METAPHONE_MIXED => true,
self::IMAGE_METAPHONE_OBJECT => true,
self::IMAGE_METAPHONE_REAL => true,
self::IMAGE_METAPHONE_RESOURCE => true,
self::IMAGE_METAPHONE_STRING => true,
self::IMAGE_METAPHONE_STDCLASS => true,
self::IMAGE_METAPHONE_UNKNOWN => true,
self::IMAGE_METAPHONE_UNKNOWN_TYPE => true,
self::IMAGE_SOUNDEX_ARRAY => true,
self::IMAGE_SOUNDEX_BOOL => true,
self::IMAGE_SOUNDEX_BOOLEAN => true,
self::IMAGE_SOUNDEX_DOUBLE => true,
self::IMAGE_SOUNDEX_FLOAT => true,
self::IMAGE_SOUNDEX_INT => true,
self::IMAGE_SOUNDEX_INTEGER => true,
self::IMAGE_SOUNDEX_MIXED => true,
self::IMAGE_SOUNDEX_REAL => true,
self::IMAGE_SOUNDEX_RESOURCE => true,
self::IMAGE_SOUNDEX_OBJECT => true,
self::IMAGE_SOUNDEX_STRING => true,
self::IMAGE_SOUNDEX_STDCLASS => true,
self::IMAGE_SOUNDEX_UNKNOWN => true,
);
/**
* List of primitive php types.
*
* @var array<string, string>
*/
private static $primitiveTypes = array(
self::IMAGE_BOOL => self::PHP_TYPE_BOOLEAN,
self::IMAGE_BOOLEAN => self::PHP_TYPE_BOOLEAN,
self::IMAGE_SOUNDEX_BOOL => self::PHP_TYPE_BOOLEAN,
self::IMAGE_SOUNDEX_BOOLEAN => self::PHP_TYPE_BOOLEAN,
self::IMAGE_OTHER_FALSE => self::PHP_TYPE_BOOLEAN,
self::IMAGE_OTHER_TRUE => self::PHP_TYPE_BOOLEAN,
self::IMAGE_METAPHONE_BOOL => self::PHP_TYPE_BOOLEAN,
self::IMAGE_METAPHONE_BOOLEAN => self::PHP_TYPE_BOOLEAN,
self::IMAGE_REAL => self::PHP_TYPE_FLOAT,
self::IMAGE_FLOAT => self::PHP_TYPE_FLOAT,
self::IMAGE_DOUBLE => self::PHP_TYPE_FLOAT,
self::IMAGE_METAPHONE_REAL => self::PHP_TYPE_FLOAT,
self::IMAGE_METAPHONE_FLOAT => self::PHP_TYPE_FLOAT,
self::IMAGE_METAPHONE_DOUBLE => self::PHP_TYPE_FLOAT,
self::IMAGE_SOUNDEX_DOUBLE => self::PHP_TYPE_FLOAT,
self::IMAGE_SOUNDEX_FLOAT => self::PHP_TYPE_FLOAT,
self::IMAGE_SOUNDEX_REAL => self::PHP_TYPE_FLOAT,
self::IMAGE_INT => self::PHP_TYPE_INTEGER,
self::IMAGE_INTEGER => self::PHP_TYPE_INTEGER,
self::IMAGE_METAPHONE_INT => self::PHP_TYPE_INTEGER,
self::IMAGE_METAPHONE_INTEGER => self::PHP_TYPE_INTEGER,
self::IMAGE_SOUNDEX_INT => self::PHP_TYPE_INTEGER,
self::IMAGE_SOUNDEX_INTEGER => self::PHP_TYPE_INTEGER,
self::IMAGE_STRING => self::PHP_TYPE_STRING,
self::IMAGE_METAPHONE_STRING => self::PHP_TYPE_STRING,
self::IMAGE_SOUNDEX_STRING => self::PHP_TYPE_STRING,
);
/**
* Returns <b>true</b> if the given type is internal or part of an
* extension.
*
* @param string $typeName The type name.
*
* @return bool
*/
public static function isInternalType($typeName)
{
self::initTypeToExtension();
$normalizedName = ltrim($typeName, '\\');
$normalizedName = strtolower($normalizedName);
return isset(self::$typeNameToExtension[$normalizedName]);
}
/**
* Returns the package/extension for the given type name. If no package
* exists, this method will return <b>null</b>.
*
* @param string $typeName The type name.
*
* @return string|null
*/
public static function getTypePackage($typeName)
{
self::initTypeToExtension();
$normalizedName = ltrim($typeName, '\\');
$normalizedName = strtolower($normalizedName);
if (isset(self::$typeNameToExtension[$normalizedName])) {
return self::$typeNameToExtension[$normalizedName];
}
return null;
}
/**
* Returns an array with all package/extension names.
*
* @return array<string>
*/
public static function getInternalNamespaces()
{
if (self::$internalNamespaces === null) {
self::$internalNamespaces = array();
foreach (self::initTypeToExtension() as $namespace) {
self::$internalNamespaces[$namespace] = $namespace;
}
}
return self::$internalNamespaces;
}
/**
* This method will return <b>true</b> when the given package represents a
* php extension.
*
* @param string $packageName Name of a package.
*
* @return bool
*/
public static function isInternalPackage($packageName)
{
$packageNames = self::getInternalNamespaces();
return isset($packageNames[strtolower($packageName)]);
}
/**
* This method will return <b>true</b> when the given type identifier is in
* the list of scalar/none-object types.
*
* @param string $image The type identifier.
*
* @return bool
*/
public static function isScalarType($image)
{
$image = strtolower($image);
if (isset(self::$scalarTypes[$image]) === true) {
return true;
}
$image = metaphone($image);
if (isset(self::$scalarTypes[$image]) === true) {
return true;
}
return isset(self::$scalarTypes[soundex($image)]);
}
/**
* This method will return <b>true</b> when the given type identifier is in
* the list of primitive types.
*
* @param string $image The type image.
*
* @return bool
*
* @since 0.9.6
*/
public static function isPrimitiveType($image)
{
return (self::getPrimitiveType($image) !== null);
}
/**
* This method will return a unified type image for a detected source type
* image.
*
* @param string $image The found primitive type image.
*
* @return string|null
*
* @since 0.9.6
*/
public static function getPrimitiveType($image)
{
$image = strtolower($image);
if (isset(self::$primitiveTypes[$image]) === true) {
return self::$primitiveTypes[$image];
}
$image = metaphone($image);
if (isset(self::$primitiveTypes[$image]) === true) {
return self::$primitiveTypes[$image];
}
$image = soundex($image);
if (isset(self::$primitiveTypes[$image]) === true) {
return self::$primitiveTypes[$image];
}
return null;
}
/**
* This method will return <b>true</b> when the given image describes a
* php array type.
*
* @param string $image The found type image.
*
* @return bool
*
* @since 0.9.6
*/
public static function isArrayType($image)
{
return (strtolower($image) === 'array');
}
/**
* This method reads all available classes and interfaces and checks whether
* this type belongs to an extension or is internal. All internal and extension
* classes are collected in an internal data structure.
*
* @return array<string, string>
*/
private static function initTypeToExtension()
{
// Skip when already done.
if (self::$typeNameToExtension !== null) {
return self::$typeNameToExtension;
}
self::$typeNameToExtension = array('iterator' => '+standard');
$extensionNames = get_loaded_extensions();
$extensionNames = array_map('strtolower', $extensionNames);
foreach ($extensionNames as $extensionName) {
$extension = new ReflectionExtension($extensionName);
$classNames = $extension->getClassNames();
$classNames = array_map('strtolower', $classNames);
foreach ($classNames as $className) {
self::$typeNameToExtension[$className] = '+' . $extensionName;
}
}
return self::$typeNameToExtension;
}
}