/**
* @param string $decl
*
* @return Type The type
*/
public static function fromDecl($decl)
{
if ($decl instanceof Type) {
return $decl;
} elseif (!is_string($decl)) {
throw new \LogicException("Should never happen");
} elseif (empty($decl)) {
throw new \RuntimeException("Empty declaration found");
}
if ($decl[0] === '\\') {
$decl = substr($decl, 1);
} elseif ($decl[0] === '?') {
$decl = substr($decl, 1);
$type = Type::fromDecl($decl);
return (new Type(Type::TYPE_UNION, [$type, new Type(Type::TYPE_NULL)]))->simplify();
}
switch (strtolower($decl)) {
case 'boolean':
case 'bool':
case 'false':
case 'true':
return new Type(Type::TYPE_BOOLEAN);
case 'integer':
case 'int':
return new Type(Type::TYPE_LONG);
case 'double':
case 'real':
case 'float':
return new Type(Type::TYPE_DOUBLE);
case 'string':
return new Type(Type::TYPE_STRING);
case 'array':
return new Type(Type::TYPE_ARRAY);
case 'callable':
return new Type(Type::TYPE_CALLABLE);
case 'null':
return new Type(Type::TYPE_NULL);
case 'numeric':
return Type::fromDecl('int|float');
}
// TODO: parse | and & and ()
if (strpos($decl, '|') !== false || strpos($decl, '&') !== false || strpos($decl, '(') !== false) {
return self::parseCompexDecl($decl)->simplify();
}
if (substr($decl, -2) === '[]') {
$type = Type::fromDecl(substr($decl, 0, -2));
return new Type(Type::TYPE_ARRAY, [$type]);
}
$regex = '(^([a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*\\\\)*[a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*$)';
if (!preg_match($regex, $decl)) {
throw new \RuntimeException("Unknown type declaration found: {$decl}");
}
return new Type(Type::TYPE_OBJECT, [], $decl);
}
public static function fromDecl($decl)
{
if ($decl instanceof Type) {
return $decl;
} elseif (!is_string($decl)) {
throw new \LogicException("Should never happen");
} elseif (empty($decl)) {
throw new \RuntimeException("Empty declaration found");
}
if ($decl[0] === '\\') {
$decl = substr($decl, 1);
}
switch (strtolower($decl)) {
case 'boolean':
case 'bool':
return new Type(Type::TYPE_BOOLEAN);
case 'integer':
case 'int':
return new Type(Type::TYPE_LONG);
case 'double':
case 'real':
case 'float':
return new Type(Type::TYPE_DOUBLE);
case 'string':
return new Type(Type::TYPE_STRING);
case 'array':
return new Type(Type::TYPE_ARRAY);
case 'callable':
return new Type(Type::TYPE_CALLABLE);
}
if (strpos($decl, '|') !== false) {
$parts = explode('|', $decl);
$allowedTypes = 0;
$userTypes = [];
$subTypes = [];
foreach ($parts as $part) {
$type = Type::fromDecl($part);
$allowedTypes |= $type->type;
$userTypes = array_merge($type->userTypes, $userTypes);
$subTypes = array_merge($type->subTypes, $subTypes);
}
return new Type($allowedTypes, $subTypes, $userTypes);
}
if (substr($decl, -2) === '[]') {
$type = Type::fromDecl(substr($decl, 0, -2));
return new Type(Type::TYPE_ARRAY, [$type]);
}
if (substr($decl, -2) === '()') {
// because some people use array() as a type declaration. sigh
return Type::fromDecl(substr($decl, 0, -2));
}
$regex = '(^([a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*\\\\)*[a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*$)';
if (!preg_match($regex, $decl)) {
throw new \RuntimeException("Unknown type declaration found: {$decl}");
}
return new Type(Type::TYPE_USER, [], [$decl]);
}
public function __construct(State $state)
{
$this->state = $state;
$this->callableUnion = Type::fromDecl("string|array|object");
}
/**
* @dataProvider provideTestDecl
*/
public function testDecl($decl, $result)
{
$type = Type::fromDecl($decl);
$this->assertEquals($result, $type);
$this->assertEquals($decl, (string) $type);
}
public function __construct(array $components)
{
$this->components = $components;
$this->callableUnion = Type::fromDecl("string|array|object");
}