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<?php
/**
* Assert
*
* LICENSE
*
* This source file is subject to the MIT license that is bundled
* with this package in the file LICENSE.txt.
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to kontakt@beberlei.de so I can send you a copy immediately.
*/
namespace Assert;
use LogicException;
/**
* Chaining builder for assertions.
*
* @author Benjamin Eberlei <kontakt@beberlei.de>
*
* @method AssertionChain alnum(string|callable $message = null, string $propertyPath = null) Assert that value is alphanumeric.
* @method AssertionChain base64(string|callable $message = null, string $propertyPath = null) Assert that a constant is defined.
* @method AssertionChain between(mixed $lowerLimit, mixed $upperLimit, string|callable $message = null, string $propertyPath = null) Assert that a value is greater or equal than a lower limit, and less than or equal to an upper limit.
* @method AssertionChain betweenExclusive(mixed $lowerLimit, mixed $upperLimit, string|callable $message = null, string $propertyPath = null) Assert that a value is greater than a lower limit, and less than an upper limit.
* @method AssertionChain betweenLength(int $minLength, int $maxLength, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string length is between min and max lengths.
* @method AssertionChain boolean(string|callable $message = null, string $propertyPath = null) Assert that value is php boolean.
* @method AssertionChain choice(array $choices, string|callable $message = null, string $propertyPath = null) Assert that value is in array of choices.
* @method AssertionChain choicesNotEmpty(array $choices, string|callable $message = null, string $propertyPath = null) Determines if the values array has every choice as key and that this choice has content.
* @method AssertionChain classExists(string|callable $message = null, string $propertyPath = null) Assert that the class exists.
* @method AssertionChain contains(string $needle, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string contains a sequence of chars.
* @method AssertionChain count(int $count, string|callable $message = null, string $propertyPath = null) Assert that the count of countable is equal to count.
* @method AssertionChain date(string $format, string|callable $message = null, string $propertyPath = null) Assert that date is valid and corresponds to the given format.
* @method AssertionChain defined(string|callable $message = null, string $propertyPath = null) Assert that a constant is defined.
* @method AssertionChain digit(string|callable $message = null, string $propertyPath = null) Validates if an integer or integerish is a digit.
* @method AssertionChain directory(string|callable $message = null, string $propertyPath = null) Assert that a directory exists.
* @method AssertionChain e164(string|callable $message = null, string $propertyPath = null) Assert that the given string is a valid E164 Phone Number.
* @method AssertionChain email(string|callable $message = null, string $propertyPath = null) Assert that value is an email address (using input_filter/FILTER_VALIDATE_EMAIL).
* @method AssertionChain endsWith(string $needle, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string ends with a sequence of chars.
* @method AssertionChain eq(mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that two values are equal (using ==).
* @method AssertionChain eqArraySubset(mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that the array contains the subset.
* @method AssertionChain extensionLoaded(string|callable $message = null, string $propertyPath = null) Assert that extension is loaded.
* @method AssertionChain extensionVersion(string $operator, mixed $version, string|callable $message = null, string $propertyPath = null) Assert that extension is loaded and a specific version is installed.
* @method AssertionChain false(string|callable $message = null, string $propertyPath = null) Assert that the value is boolean False.
* @method AssertionChain file(string|callable $message = null, string $propertyPath = null) Assert that a file exists.
* @method AssertionChain float(string|callable $message = null, string $propertyPath = null) Assert that value is a php float.
* @method AssertionChain greaterOrEqualThan(mixed $limit, string|callable $message = null, string $propertyPath = null) Determines if the value is greater or equal than given limit.
* @method AssertionChain greaterThan(mixed $limit, string|callable $message = null, string $propertyPath = null) Determines if the value is greater than given limit.
* @method AssertionChain implementsInterface(string $interfaceName, string|callable $message = null, string $propertyPath = null) Assert that the class implements the interface.
* @method AssertionChain inArray(array $choices, string|callable $message = null, string $propertyPath = null) Assert that value is in array of choices. This is an alias of Assertion::choice().
* @method AssertionChain integer(string|callable $message = null, string $propertyPath = null) Assert that value is a php integer.
* @method AssertionChain integerish(string|callable $message = null, string $propertyPath = null) Assert that value is a php integer'ish.
* @method AssertionChain interfaceExists(string|callable $message = null, string $propertyPath = null) Assert that the interface exists.
* @method AssertionChain ip(int $flag = null, string|callable $message = null, string $propertyPath = null) Assert that value is an IPv4 or IPv6 address.
* @method AssertionChain ipv4(int $flag = null, string|callable $message = null, string $propertyPath = null) Assert that value is an IPv4 address.
* @method AssertionChain ipv6(int $flag = null, string|callable $message = null, string $propertyPath = null) Assert that value is an IPv6 address.
* @method AssertionChain isArray(string|callable $message = null, string $propertyPath = null) Assert that value is an array.
* @method AssertionChain isArrayAccessible(string|callable $message = null, string $propertyPath = null) Assert that value is an array or an array-accessible object.
* @method AssertionChain isCallable(string|callable $message = null, string $propertyPath = null) Determines that the provided value is callable.
* @method AssertionChain isCountable(string|callable $message = null, string $propertyPath = null) Assert that value is countable.
* @method AssertionChain isInstanceOf(string $className, string|callable $message = null, string $propertyPath = null) Assert that value is instance of given class-name.
* @method AssertionChain isJsonString(string|callable $message = null, string $propertyPath = null) Assert that the given string is a valid json string.
* @method AssertionChain isObject(string|callable $message = null, string $propertyPath = null) Determines that the provided value is an object.
* @method AssertionChain isResource(string|callable $message = null, string $propertyPath = null) Assert that value is a resource.
* @method AssertionChain isTraversable(string|callable $message = null, string $propertyPath = null) Assert that value is an array or a traversable object.
* @method AssertionChain keyExists(string|int $key, string|callable $message = null, string $propertyPath = null) Assert that key exists in an array.
* @method AssertionChain keyIsset(string|int $key, string|callable $message = null, string $propertyPath = null) Assert that key exists in an array/array-accessible object using isset().
* @method AssertionChain keyNotExists(string|int $key, string|callable $message = null, string $propertyPath = null) Assert that key does not exist in an array.
* @method AssertionChain length(int $length, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string has a given length.
* @method AssertionChain lessOrEqualThan(mixed $limit, string|callable $message = null, string $propertyPath = null) Determines if the value is less or equal than given limit.
* @method AssertionChain lessThan(mixed $limit, string|callable $message = null, string $propertyPath = null) Determines if the value is less than given limit.
* @method AssertionChain max(mixed $maxValue, string|callable $message = null, string $propertyPath = null) Assert that a number is smaller as a given limit.
* @method AssertionChain maxCount(int $count, string|callable $message = null, string $propertyPath = null) Assert that the countable have at most $count elements.
* @method AssertionChain maxLength(int $maxLength, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string value is not longer than $maxLength chars.
* @method AssertionChain methodExists(mixed $object, string|callable $message = null, string $propertyPath = null) Determines that the named method is defined in the provided object.
* @method AssertionChain min(mixed $minValue, string|callable $message = null, string $propertyPath = null) Assert that a value is at least as big as a given limit.
* @method AssertionChain minCount(int $count, string|callable $message = null, string $propertyPath = null) Assert that the countable have at least $count elements.
* @method AssertionChain minLength(int $minLength, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that a string is at least $minLength chars long.
* @method AssertionChain noContent(string|callable $message = null, string $propertyPath = null) Assert that value is empty.
* @method AssertionChain notBlank(string|callable $message = null, string $propertyPath = null) Assert that value is not blank.
* @method AssertionChain notContains(string $needle, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string does not contains a sequence of chars.
* @method AssertionChain notEmpty(string|callable $message = null, string $propertyPath = null) Assert that value is not empty.
* @method AssertionChain notEmptyKey(string|int $key, string|callable $message = null, string $propertyPath = null) Assert that key exists in an array/array-accessible object and its value is not empty.
* @method AssertionChain notEq(mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that two values are not equal (using ==).
* @method AssertionChain notInArray(array $choices, string|callable $message = null, string $propertyPath = null) Assert that value is not in array of choices.
* @method AssertionChain notIsInstanceOf(string $className, string|callable $message = null, string $propertyPath = null) Assert that value is not instance of given class-name.
* @method AssertionChain notNull(string|callable $message = null, string $propertyPath = null) Assert that value is not null.
* @method AssertionChain notRegex(string $pattern, string|callable $message = null, string $propertyPath = null) Assert that value does not match a regex.
* @method AssertionChain notSame(mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that two values are not the same (using ===).
* @method AssertionChain null(string|callable $message = null, string $propertyPath = null) Assert that value is null.
* @method AssertionChain numeric(string|callable $message = null, string $propertyPath = null) Assert that value is numeric.
* @method AssertionChain objectOrClass(string|callable $message = null, string $propertyPath = null) Assert that the value is an object, or a class that exists.
* @method AssertionChain phpVersion(mixed $version, string|callable $message = null, string $propertyPath = null) Assert on PHP version.
* @method AssertionChain propertiesExist(array $properties, string|callable $message = null, string $propertyPath = null) Assert that the value is an object or class, and that the properties all exist.
* @method AssertionChain propertyExists(string $property, string|callable $message = null, string $propertyPath = null) Assert that the value is an object or class, and that the property exists.
* @method AssertionChain range(mixed $minValue, mixed $maxValue, string|callable $message = null, string $propertyPath = null) Assert that value is in range of numbers.
* @method AssertionChain readable(string|callable $message = null, string $propertyPath = null) Assert that the value is something readable.
* @method AssertionChain regex(string $pattern, string|callable $message = null, string $propertyPath = null) Assert that value matches a regex.
* @method AssertionChain same(mixed $value2, string|callable $message = null, string $propertyPath = null) Assert that two values are the same (using ===).
* @method AssertionChain satisfy(callable $callback, string|callable $message = null, string $propertyPath = null) Assert that the provided value is valid according to a callback.
* @method AssertionChain scalar(string|callable $message = null, string $propertyPath = null) Assert that value is a PHP scalar.
* @method AssertionChain startsWith(string $needle, string|callable $message = null, string $propertyPath = null, string $encoding = 'utf8') Assert that string starts with a sequence of chars.
* @method AssertionChain string(string|callable $message = null, string $propertyPath = null) Assert that value is a string.
* @method AssertionChain subclassOf(string $className, string|callable $message = null, string $propertyPath = null) Assert that value is subclass of given class-name.
* @method AssertionChain true(string|callable $message = null, string $propertyPath = null) Assert that the value is boolean True.
* @method AssertionChain uniqueValues(string|callable $message = null, string $propertyPath = null) Assert that values in array are unique (using strict equality).
* @method AssertionChain url(string|callable $message = null, string $propertyPath = null) Assert that value is an URL.
* @method AssertionChain uuid(string|callable $message = null, string $propertyPath = null) Assert that the given string is a valid UUID.
* @method AssertionChain version(string $operator, string $version2, string|callable $message = null, string $propertyPath = null) Assert comparison of two versions.
* @method AssertionChain writeable(string|callable $message = null, string $propertyPath = null) Assert that the value is something writeable.
*/
class AssertionChain
{
/**
* @var mixed
*/
private $value;
/**
* @var string|callable|null
*/
private $defaultMessage;
/**
* @var string|null
*/
private $defaultPropertyPath;
/**
* Return each assertion as always valid.
*
* @var bool
*/
private $alwaysValid = false;
/**
* Perform assertion on every element of array or traversable.
*
* @var bool
*/
private $all = false;
/** @var string|Assertion Class to use for assertion calls */
private $assertionClassName = 'Assert\Assertion';
/**
* AssertionChain constructor.
*
* @param mixed $value
* @param string|callable|null $defaultMessage
*/
public function __construct($value, $defaultMessage = null, string $defaultPropertyPath = null)
{
$this->value = $value;
$this->defaultMessage = $defaultMessage;
$this->defaultPropertyPath = $defaultPropertyPath;
}
/**
* Call assertion on the current value in the chain.
*
* @param string $methodName
* @param array $args
*/
public function __call($methodName, $args): AssertionChain
{
if (true === $this->alwaysValid) {
return $this;
}
try {
$method = new \ReflectionMethod($this->assertionClassName, $methodName);
} catch (\ReflectionException $exception) {
throw new \RuntimeException("Assertion '".$methodName."' does not exist.");
}
\array_unshift($args, $this->value);
$params = $method->getParameters();
foreach ($params as $idx => $param) {
if (isset($args[$idx])) {
continue;
}
switch ($param->getName()) {
case 'message':
$args[$idx] = $this->defaultMessage;
break;
case 'propertyPath':
$args[$idx] = $this->defaultPropertyPath;
break;
}
}
if ($this->all) {
$methodName = 'all'.$methodName;
}
\call_user_func_array([$this->assertionClassName, $methodName], $args);
return $this;
}
/**
* Switch chain into validation mode for an array of values.
*/
public function all(): AssertionChain
{
$this->all = true;
return $this;
}
/**
* Switch chain into mode allowing nulls, ignoring further assertions.
*/
public function nullOr(): AssertionChain
{
if (null === $this->value) {
$this->alwaysValid = true;
}
return $this;
}
/**
* @param string $className
*
* @return $this
*/
public function setAssertionClassName($className): AssertionChain
{
if (!\is_string($className)) {
throw new LogicException('Exception class name must be passed as a string');
}
if (Assertion::class !== $className && !\is_subclass_of($className, Assertion::class)) {
throw new LogicException($className.' is not (a subclass of) '.Assertion::class);
}
$this->assertionClassName = $className;
return $this;
}
}
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