sop / asn1

lib/ASN1/Element.php

Indentation +436 added lines, -436 removed lines

@@ -23,467 +23,467 @@
  */
 abstract class Element implements ElementBase
 {
-    // Universal type tags
-    const TYPE_EOC = 0x00;
-    const TYPE_BOOLEAN = 0x01;
-    const TYPE_INTEGER = 0x02;
-    const TYPE_BIT_STRING = 0x03;
-    const TYPE_OCTET_STRING = 0x04;
-    const TYPE_NULL = 0x05;
-    const TYPE_OBJECT_IDENTIFIER = 0x06;
-    const TYPE_OBJECT_DESCRIPTOR = 0x07;
-    const TYPE_EXTERNAL = 0x08;
-    const TYPE_REAL = 0x09;
-    const TYPE_ENUMERATED = 0x0a;
-    const TYPE_EMBEDDED_PDV = 0x0b;
-    const TYPE_UTF8_STRING = 0x0c;
-    const TYPE_RELATIVE_OID = 0x0d;
-    const TYPE_SEQUENCE = 0x10;
-    const TYPE_SET = 0x11;
-    const TYPE_NUMERIC_STRING = 0x12;
-    const TYPE_PRINTABLE_STRING = 0x13;
-    const TYPE_T61_STRING = 0x14;
-    const TYPE_VIDEOTEX_STRING = 0x15;
-    const TYPE_IA5_STRING = 0x16;
-    const TYPE_UTC_TIME = 0x17;
-    const TYPE_GENERALIZED_TIME = 0x18;
-    const TYPE_GRAPHIC_STRING = 0x19;
-    const TYPE_VISIBLE_STRING = 0x1a;
-    const TYPE_GENERAL_STRING = 0x1b;
-    const TYPE_UNIVERSAL_STRING = 0x1c;
-    const TYPE_CHARACTER_STRING = 0x1d;
-    const TYPE_BMP_STRING = 0x1e;
+	// Universal type tags
+	const TYPE_EOC = 0x00;
+	const TYPE_BOOLEAN = 0x01;
+	const TYPE_INTEGER = 0x02;
+	const TYPE_BIT_STRING = 0x03;
+	const TYPE_OCTET_STRING = 0x04;
+	const TYPE_NULL = 0x05;
+	const TYPE_OBJECT_IDENTIFIER = 0x06;
+	const TYPE_OBJECT_DESCRIPTOR = 0x07;
+	const TYPE_EXTERNAL = 0x08;
+	const TYPE_REAL = 0x09;
+	const TYPE_ENUMERATED = 0x0a;
+	const TYPE_EMBEDDED_PDV = 0x0b;
+	const TYPE_UTF8_STRING = 0x0c;
+	const TYPE_RELATIVE_OID = 0x0d;
+	const TYPE_SEQUENCE = 0x10;
+	const TYPE_SET = 0x11;
+	const TYPE_NUMERIC_STRING = 0x12;
+	const TYPE_PRINTABLE_STRING = 0x13;
+	const TYPE_T61_STRING = 0x14;
+	const TYPE_VIDEOTEX_STRING = 0x15;
+	const TYPE_IA5_STRING = 0x16;
+	const TYPE_UTC_TIME = 0x17;
+	const TYPE_GENERALIZED_TIME = 0x18;
+	const TYPE_GRAPHIC_STRING = 0x19;
+	const TYPE_VISIBLE_STRING = 0x1a;
+	const TYPE_GENERAL_STRING = 0x1b;
+	const TYPE_UNIVERSAL_STRING = 0x1c;
+	const TYPE_CHARACTER_STRING = 0x1d;
+	const TYPE_BMP_STRING = 0x1e;
 
-    /**
-     * Mapping from universal type tag to implementation class name.
-     *
-     * @internal
-     *
-     * @var array
-     */
-    const MAP_TAG_TO_CLASS = [
-        self::TYPE_EOC => Primitive\EOC::class,
-        self::TYPE_BOOLEAN => Primitive\Boolean::class,
-        self::TYPE_INTEGER => Primitive\Integer::class,
-        self::TYPE_BIT_STRING => Primitive\BitString::class,
-        self::TYPE_OCTET_STRING => Primitive\OctetString::class,
-        self::TYPE_NULL => Primitive\NullType::class,
-        self::TYPE_OBJECT_IDENTIFIER => Primitive\ObjectIdentifier::class,
-        self::TYPE_OBJECT_DESCRIPTOR => Primitive\ObjectDescriptor::class,
-        self::TYPE_REAL => Primitive\Real::class,
-        self::TYPE_ENUMERATED => Primitive\Enumerated::class,
-        self::TYPE_UTF8_STRING => Primitive\UTF8String::class,
-        self::TYPE_RELATIVE_OID => Primitive\RelativeOID::class,
-        self::TYPE_SEQUENCE => Constructed\Sequence::class,
-        self::TYPE_SET => Constructed\Set::class,
-        self::TYPE_NUMERIC_STRING => Primitive\NumericString::class,
-        self::TYPE_PRINTABLE_STRING => Primitive\PrintableString::class,
-        self::TYPE_T61_STRING => Primitive\T61String::class,
-        self::TYPE_VIDEOTEX_STRING => Primitive\VideotexString::class,
-        self::TYPE_IA5_STRING => Primitive\IA5String::class,
-        self::TYPE_UTC_TIME => Primitive\UTCTime::class,
-        self::TYPE_GENERALIZED_TIME => Primitive\GeneralizedTime::class,
-        self::TYPE_GRAPHIC_STRING => Primitive\GraphicString::class,
-        self::TYPE_VISIBLE_STRING => Primitive\VisibleString::class,
-        self::TYPE_GENERAL_STRING => Primitive\GeneralString::class,
-        self::TYPE_UNIVERSAL_STRING => Primitive\UniversalString::class,
-        self::TYPE_CHARACTER_STRING => Primitive\CharacterString::class,
-        self::TYPE_BMP_STRING => Primitive\BMPString::class,
-    ];
+	/**
+	 * Mapping from universal type tag to implementation class name.
+	 *
+	 * @internal
+	 *
+	 * @var array
+	 */
+	const MAP_TAG_TO_CLASS = [
+		self::TYPE_EOC => Primitive\EOC::class,
+		self::TYPE_BOOLEAN => Primitive\Boolean::class,
+		self::TYPE_INTEGER => Primitive\Integer::class,
+		self::TYPE_BIT_STRING => Primitive\BitString::class,
+		self::TYPE_OCTET_STRING => Primitive\OctetString::class,
+		self::TYPE_NULL => Primitive\NullType::class,
+		self::TYPE_OBJECT_IDENTIFIER => Primitive\ObjectIdentifier::class,
+		self::TYPE_OBJECT_DESCRIPTOR => Primitive\ObjectDescriptor::class,
+		self::TYPE_REAL => Primitive\Real::class,
+		self::TYPE_ENUMERATED => Primitive\Enumerated::class,
+		self::TYPE_UTF8_STRING => Primitive\UTF8String::class,
+		self::TYPE_RELATIVE_OID => Primitive\RelativeOID::class,
+		self::TYPE_SEQUENCE => Constructed\Sequence::class,
+		self::TYPE_SET => Constructed\Set::class,
+		self::TYPE_NUMERIC_STRING => Primitive\NumericString::class,
+		self::TYPE_PRINTABLE_STRING => Primitive\PrintableString::class,
+		self::TYPE_T61_STRING => Primitive\T61String::class,
+		self::TYPE_VIDEOTEX_STRING => Primitive\VideotexString::class,
+		self::TYPE_IA5_STRING => Primitive\IA5String::class,
+		self::TYPE_UTC_TIME => Primitive\UTCTime::class,
+		self::TYPE_GENERALIZED_TIME => Primitive\GeneralizedTime::class,
+		self::TYPE_GRAPHIC_STRING => Primitive\GraphicString::class,
+		self::TYPE_VISIBLE_STRING => Primitive\VisibleString::class,
+		self::TYPE_GENERAL_STRING => Primitive\GeneralString::class,
+		self::TYPE_UNIVERSAL_STRING => Primitive\UniversalString::class,
+		self::TYPE_CHARACTER_STRING => Primitive\CharacterString::class,
+		self::TYPE_BMP_STRING => Primitive\BMPString::class,
+	];
 
-    /**
-     * Pseudotype for all string types.
-     *
-     * May be used as an expectation parameter.
-     *
-     * @var int
-     */
-    const TYPE_STRING = -1;
+	/**
+	 * Pseudotype for all string types.
+	 *
+	 * May be used as an expectation parameter.
+	 *
+	 * @var int
+	 */
+	const TYPE_STRING = -1;
 
-    /**
-     * Pseudotype for all time types.
-     *
-     * May be used as an expectation parameter.
-     *
-     * @var int
-     */
-    const TYPE_TIME = -2;
+	/**
+	 * Pseudotype for all time types.
+	 *
+	 * May be used as an expectation parameter.
+	 *
+	 * @var int
+	 */
+	const TYPE_TIME = -2;
 
-    /**
-     * Mapping from universal type tag to human readable name.
-     *
-     * @internal
-     *
-     * @var array
-     */
-    const MAP_TYPE_TO_NAME = [
-        self::TYPE_EOC => 'EOC',
-        self::TYPE_BOOLEAN => 'BOOLEAN',
-        self::TYPE_INTEGER => 'INTEGER',
-        self::TYPE_BIT_STRING => 'BIT STRING',
-        self::TYPE_OCTET_STRING => 'OCTET STRING',
-        self::TYPE_NULL => 'NULL',
-        self::TYPE_OBJECT_IDENTIFIER => 'OBJECT IDENTIFIER',
-        self::TYPE_OBJECT_DESCRIPTOR => 'ObjectDescriptor',
-        self::TYPE_EXTERNAL => 'EXTERNAL',
-        self::TYPE_REAL => 'REAL',
-        self::TYPE_ENUMERATED => 'ENUMERATED',
-        self::TYPE_EMBEDDED_PDV => 'EMBEDDED PDV',
-        self::TYPE_UTF8_STRING => 'UTF8String',
-        self::TYPE_RELATIVE_OID => 'RELATIVE-OID',
-        self::TYPE_SEQUENCE => 'SEQUENCE',
-        self::TYPE_SET => 'SET',
-        self::TYPE_NUMERIC_STRING => 'NumericString',
-        self::TYPE_PRINTABLE_STRING => 'PrintableString',
-        self::TYPE_T61_STRING => 'T61String',
-        self::TYPE_VIDEOTEX_STRING => 'VideotexString',
-        self::TYPE_IA5_STRING => 'IA5String',
-        self::TYPE_UTC_TIME => 'UTCTime',
-        self::TYPE_GENERALIZED_TIME => 'GeneralizedTime',
-        self::TYPE_GRAPHIC_STRING => 'GraphicString',
-        self::TYPE_VISIBLE_STRING => 'VisibleString',
-        self::TYPE_GENERAL_STRING => 'GeneralString',
-        self::TYPE_UNIVERSAL_STRING => 'UniversalString',
-        self::TYPE_CHARACTER_STRING => 'CHARACTER STRING',
-        self::TYPE_BMP_STRING => 'BMPString',
-        self::TYPE_STRING => 'Any String',
-        self::TYPE_TIME => 'Any Time',
-    ];
+	/**
+	 * Mapping from universal type tag to human readable name.
+	 *
+	 * @internal
+	 *
+	 * @var array
+	 */
+	const MAP_TYPE_TO_NAME = [
+		self::TYPE_EOC => 'EOC',
+		self::TYPE_BOOLEAN => 'BOOLEAN',
+		self::TYPE_INTEGER => 'INTEGER',
+		self::TYPE_BIT_STRING => 'BIT STRING',
+		self::TYPE_OCTET_STRING => 'OCTET STRING',
+		self::TYPE_NULL => 'NULL',
+		self::TYPE_OBJECT_IDENTIFIER => 'OBJECT IDENTIFIER',
+		self::TYPE_OBJECT_DESCRIPTOR => 'ObjectDescriptor',
+		self::TYPE_EXTERNAL => 'EXTERNAL',
+		self::TYPE_REAL => 'REAL',
+		self::TYPE_ENUMERATED => 'ENUMERATED',
+		self::TYPE_EMBEDDED_PDV => 'EMBEDDED PDV',
+		self::TYPE_UTF8_STRING => 'UTF8String',
+		self::TYPE_RELATIVE_OID => 'RELATIVE-OID',
+		self::TYPE_SEQUENCE => 'SEQUENCE',
+		self::TYPE_SET => 'SET',
+		self::TYPE_NUMERIC_STRING => 'NumericString',
+		self::TYPE_PRINTABLE_STRING => 'PrintableString',
+		self::TYPE_T61_STRING => 'T61String',
+		self::TYPE_VIDEOTEX_STRING => 'VideotexString',
+		self::TYPE_IA5_STRING => 'IA5String',
+		self::TYPE_UTC_TIME => 'UTCTime',
+		self::TYPE_GENERALIZED_TIME => 'GeneralizedTime',
+		self::TYPE_GRAPHIC_STRING => 'GraphicString',
+		self::TYPE_VISIBLE_STRING => 'VisibleString',
+		self::TYPE_GENERAL_STRING => 'GeneralString',
+		self::TYPE_UNIVERSAL_STRING => 'UniversalString',
+		self::TYPE_CHARACTER_STRING => 'CHARACTER STRING',
+		self::TYPE_BMP_STRING => 'BMPString',
+		self::TYPE_STRING => 'Any String',
+		self::TYPE_TIME => 'Any Time',
+	];
 
-    /**
-     * Element's type tag.
-     *
-     * @var int
-     */
-    protected $_typeTag;
+	/**
+	 * Element's type tag.
+	 *
+	 * @var int
+	 */
+	protected $_typeTag;
 
-    /**
-     * Whether type shall be encoded with indefinite length.
-     *
-     * @var bool
-     */
-    protected $_indefiniteLength = false;
+	/**
+	 * Whether type shall be encoded with indefinite length.
+	 *
+	 * @var bool
+	 */
+	protected $_indefiniteLength = false;
 
-    /**
-     * {@inheritdoc}
-     */
-    abstract public function typeClass(): int;
+	/**
+	 * {@inheritdoc}
+	 */
+	abstract public function typeClass(): int;
 
-    /**
-     * {@inheritdoc}
-     */
-    abstract public function isConstructed(): bool;
+	/**
+	 * {@inheritdoc}
+	 */
+	abstract public function isConstructed(): bool;
 
-    /**
-     * Decode element from DER data.
-     *
-     * @param string   $data   DER encoded data
-     * @param null|int $offset Reference to the variable that contains offset
-     *                         into the data where to start parsing.
-     *                         Variable is updated to the offset next to the
-     *                         parsed element. If null, start from offset 0.
-     *
-     * @throws DecodeException           If decoding fails
-     * @throws \UnexpectedValueException If called in the context of an expected
-     *                                   type, but decoding yields another type
-     *
-     * @return ElementBase
-     */
-    public static function fromDER(string $data, int &$offset = null): ElementBase
-    {
-        $idx = $offset ?? 0;
-        // decode identifier
-        $identifier = Identifier::fromDER($data, $idx);
-        // determine class that implements type specific decoding
-        $cls = self::_determineImplClass($identifier);
-        try {
-            // decode remaining element
-            $element = $cls::_decodeFromDER($identifier, $data, $idx);
-        } catch (\LogicException $e) {
-            // rethrow as a RuntimeException for unified exception handling
-            throw new DecodeException(
-                sprintf('Error while decoding %s.',
-                    self::tagToName($identifier->intTag())), 0, $e);
-        }
-        // if called in the context of a concrete class, check
-        // that decoded type matches the type of a calling class
-        $called_class = get_called_class();
-        if (self::class != $called_class) {
-            if (!$element instanceof $called_class) {
-                throw new \UnexpectedValueException(
-                    sprintf('%s expected, got %s.', $called_class,
-                        get_class($element)));
-            }
-        }
-        // update offset for the caller
-        if (isset($offset)) {
-            $offset = $idx;
-        }
-        return $element;
-    }
+	/**
+	 * Decode element from DER data.
+	 *
+	 * @param string   $data   DER encoded data
+	 * @param null|int $offset Reference to the variable that contains offset
+	 *                         into the data where to start parsing.
+	 *                         Variable is updated to the offset next to the
+	 *                         parsed element. If null, start from offset 0.
+	 *
+	 * @throws DecodeException           If decoding fails
+	 * @throws \UnexpectedValueException If called in the context of an expected
+	 *                                   type, but decoding yields another type
+	 *
+	 * @return ElementBase
+	 */
+	public static function fromDER(string $data, int &$offset = null): ElementBase
+	{
+		$idx = $offset ?? 0;
+		// decode identifier
+		$identifier = Identifier::fromDER($data, $idx);
+		// determine class that implements type specific decoding
+		$cls = self::_determineImplClass($identifier);
+		try {
+			// decode remaining element
+			$element = $cls::_decodeFromDER($identifier, $data, $idx);
+		} catch (\LogicException $e) {
+			// rethrow as a RuntimeException for unified exception handling
+			throw new DecodeException(
+				sprintf('Error while decoding %s.',
+					self::tagToName($identifier->intTag())), 0, $e);
+		}
+		// if called in the context of a concrete class, check
+		// that decoded type matches the type of a calling class
+		$called_class = get_called_class();
+		if (self::class != $called_class) {
+			if (!$element instanceof $called_class) {
+				throw new \UnexpectedValueException(
+					sprintf('%s expected, got %s.', $called_class,
+						get_class($element)));
+			}
+		}
+		// update offset for the caller
+		if (isset($offset)) {
+			$offset = $idx;
+		}
+		return $element;
+	}
 
-    /**
-     * {@inheritdoc}
-     */
-    public function toDER(): string
-    {
-        $identifier = new Identifier($this->typeClass(),
-            $this->isConstructed() ? Identifier::CONSTRUCTED : Identifier::PRIMITIVE,
-            $this->_typeTag);
-        $content = $this->_encodedContentDER();
-        if ($this->_indefiniteLength) {
-            $length = new Length(0, true);
-            $eoc = new Primitive\EOC();
-            return $identifier->toDER() . $length->toDER() . $content .
-                $eoc->toDER();
-        }
-        $length = new Length(strlen($content));
-        return $identifier->toDER() . $length->toDER() . $content;
-    }
+	/**
+	 * {@inheritdoc}
+	 */
+	public function toDER(): string
+	{
+		$identifier = new Identifier($this->typeClass(),
+			$this->isConstructed() ? Identifier::CONSTRUCTED : Identifier::PRIMITIVE,
+			$this->_typeTag);
+		$content = $this->_encodedContentDER();
+		if ($this->_indefiniteLength) {
+			$length = new Length(0, true);
+			$eoc = new Primitive\EOC();
+			return $identifier->toDER() . $length->toDER() . $content .
+				$eoc->toDER();
+		}
+		$length = new Length(strlen($content));
+		return $identifier->toDER() . $length->toDER() . $content;
+	}
 
-    /**
-     * {@inheritdoc}
-     */
-    public function tag(): int
-    {
-        return $this->_typeTag;
-    }
+	/**
+	 * {@inheritdoc}
+	 */
+	public function tag(): int
+	{
+		return $this->_typeTag;
+	}
 
-    /**
-     * {@inheritdoc}
-     */
-    public function isType(int $tag): bool
-    {
-        // if element is context specific
-        if (Identifier::CLASS_CONTEXT_SPECIFIC === $this->typeClass()) {
-            return false;
-        }
-        // negative tags identify an abstract pseudotype
-        if ($tag < 0) {
-            return $this->_isPseudoType($tag);
-        }
-        return $this->_isConcreteType($tag);
-    }
+	/**
+	 * {@inheritdoc}
+	 */
+	public function isType(int $tag): bool
+	{
+		// if element is context specific
+		if (Identifier::CLASS_CONTEXT_SPECIFIC === $this->typeClass()) {
+			return false;
+		}
+		// negative tags identify an abstract pseudotype
+		if ($tag < 0) {
+			return $this->_isPseudoType($tag);
+		}
+		return $this->_isConcreteType($tag);
+	}
 
-    /**
-     * {@inheritdoc}
-     */
-    public function expectType(int $tag): ElementBase
-    {
-        if (!$this->isType($tag)) {
-            throw new \UnexpectedValueException(
-                sprintf('%s expected, got %s.', self::tagToName($tag),
-                    $this->_typeDescriptorString()));
-        }
-        return $this;
-    }
+	/**
+	 * {@inheritdoc}
+	 */
+	public function expectType(int $tag): ElementBase
+	{
+		if (!$this->isType($tag)) {
+			throw new \UnexpectedValueException(
+				sprintf('%s expected, got %s.', self::tagToName($tag),
+					$this->_typeDescriptorString()));
+		}
+		return $this;
+	}
 
-    /**
-     * {@inheritdoc}
-     */
-    public function isTagged(): bool
-    {
-        return $this instanceof TaggedType;
-    }
+	/**
+	 * {@inheritdoc}
+	 */
+	public function isTagged(): bool
+	{
+		return $this instanceof TaggedType;
+	}
 
-    /**
-     * {@inheritdoc}
-     */
-    public function expectTagged(?int $tag = null): TaggedType
-    {
-        if (!$this->isTagged()) {
-            throw new \UnexpectedValueException(
-                sprintf('Context specific element expected, got %s.',
-                    Identifier::classToName($this->typeClass())));
-        }
-        if (isset($tag) && $this->tag() !== $tag) {
-            throw new \UnexpectedValueException(
-                sprintf('Tag %d expected, got %d.', $tag, $this->tag()));
-        }
-        return $this;
-    }
+	/**
+	 * {@inheritdoc}
+	 */
+	public function expectTagged(?int $tag = null): TaggedType
+	{
+		if (!$this->isTagged()) {
+			throw new \UnexpectedValueException(
+				sprintf('Context specific element expected, got %s.',
+					Identifier::classToName($this->typeClass())));
+		}
+		if (isset($tag) && $this->tag() !== $tag) {
+			throw new \UnexpectedValueException(
+				sprintf('Tag %d expected, got %d.', $tag, $this->tag()));
+		}
+		return $this;
+	}
 
-    /**
-     * Whether element has indefinite length.
-     *
-     * @return bool
-     */
-    public function hasIndefiniteLength(): bool
-    {
-        return $this->_indefiniteLength;
-    }
+	/**
+	 * Whether element has indefinite length.
+	 *
+	 * @return bool
+	 */
+	public function hasIndefiniteLength(): bool
+	{
+		return $this->_indefiniteLength;
+	}
 
-    /**
-     * Get self with indefinite length encoding set.
-     *
-     * @param bool $indefinite True for indefinite length, false for definite
-     *                         length
-     *
-     * @return self
-     */
-    public function withIndefiniteLength(bool $indefinite = true): self
-    {
-        $obj = clone $this;
-        $obj->_indefiniteLength = $indefinite;
-        return $obj;
-    }
+	/**
+	 * Get self with indefinite length encoding set.
+	 *
+	 * @param bool $indefinite True for indefinite length, false for definite
+	 *                         length
+	 *
+	 * @return self
+	 */
+	public function withIndefiniteLength(bool $indefinite = true): self
+	{
+		$obj = clone $this;
+		$obj->_indefiniteLength = $indefinite;
+		return $obj;
+	}
 
-    /**
-     * {@inheritdoc}
-     */
-    final public function asElement(): Element
-    {
-        return $this;
-    }
+	/**
+	 * {@inheritdoc}
+	 */
+	final public function asElement(): Element
+	{
+		return $this;
+	}
 
-    /**
-     * Get element decorated with UnspecifiedType object.
-     *
-     * @return UnspecifiedType
-     */
-    public function asUnspecified(): UnspecifiedType
-    {
-        return new UnspecifiedType($this);
-    }
+	/**
+	 * Get element decorated with UnspecifiedType object.
+	 *
+	 * @return UnspecifiedType
+	 */
+	public function asUnspecified(): UnspecifiedType
+	{
+		return new UnspecifiedType($this);
+	}
 
-    /**
-     * Get human readable name for an universal tag.
-     *
-     * @param int $tag
-     *
-     * @return string
-     */
-    public static function tagToName(int $tag): string
-    {
-        if (!array_key_exists($tag, self::MAP_TYPE_TO_NAME)) {
-            return "TAG ${tag}";
-        }
-        return self::MAP_TYPE_TO_NAME[$tag];
-    }
+	/**
+	 * Get human readable name for an universal tag.
+	 *
+	 * @param int $tag
+	 *
+	 * @return string
+	 */
+	public static function tagToName(int $tag): string
+	{
+		if (!array_key_exists($tag, self::MAP_TYPE_TO_NAME)) {
+			return "TAG ${tag}";
+		}
+		return self::MAP_TYPE_TO_NAME[$tag];
+	}
 
-    /**
-     * Get the content encoded in DER.
-     *
-     * Returns the DER encoded content without identifier and length header
-     * octets.
-     *
-     * @return string
-     */
-    abstract protected function _encodedContentDER(): string;
+	/**
+	 * Get the content encoded in DER.
+	 *
+	 * Returns the DER encoded content without identifier and length header
+	 * octets.
+	 *
+	 * @return string
+	 */
+	abstract protected function _encodedContentDER(): string;
 
-    /**
-     * Decode type-specific element from DER.
-     *
-     * @param Identifier $identifier Pre-parsed identifier
-     * @param string     $data       DER data
-     * @param int        $offset     Offset in data to the next byte after identifier
-     *
-     * @throws DecodeException If decoding fails
-     *
-     * @return ElementBase
-     */
-    protected static function _decodeFromDER(Identifier $identifier,
-        string $data, int &$offset): ElementBase
-    {
-        throw new \BadMethodCallException(
-            __METHOD__ . ' must be implemented in derived class.');
-    }
+	/**
+	 * Decode type-specific element from DER.
+	 *
+	 * @param Identifier $identifier Pre-parsed identifier
+	 * @param string     $data       DER data
+	 * @param int        $offset     Offset in data to the next byte after identifier
+	 *
+	 * @throws DecodeException If decoding fails
+	 *
+	 * @return ElementBase
+	 */
+	protected static function _decodeFromDER(Identifier $identifier,
+		string $data, int &$offset): ElementBase
+	{
+		throw new \BadMethodCallException(
+			__METHOD__ . ' must be implemented in derived class.');
+	}
 
-    /**
-     * Determine the class that implements the type.
-     *
-     * @param Identifier $identifier
-     *
-     * @return string Class name
-     */
-    protected static function _determineImplClass(Identifier $identifier): string
-    {
-        switch ($identifier->typeClass()) {
-            case Identifier::CLASS_UNIVERSAL:
-                return self::_determineUniversalImplClass($identifier->intTag());
-            case Identifier::CLASS_CONTEXT_SPECIFIC:
-                return ContextSpecificType::class;
-            case Identifier::CLASS_APPLICATION:
-                return ApplicationType::class;
-            case Identifier::CLASS_PRIVATE:
-                return PrivateType::class;
-        }
-        throw new \UnexpectedValueException(
-            sprintf('%s %d not implemented.',
-                Identifier::classToName($identifier->typeClass()),
-                $identifier->tag()));
-    }
+	/**
+	 * Determine the class that implements the type.
+	 *
+	 * @param Identifier $identifier
+	 *
+	 * @return string Class name
+	 */
+	protected static function _determineImplClass(Identifier $identifier): string
+	{
+		switch ($identifier->typeClass()) {
+			case Identifier::CLASS_UNIVERSAL:
+				return self::_determineUniversalImplClass($identifier->intTag());
+			case Identifier::CLASS_CONTEXT_SPECIFIC:
+				return ContextSpecificType::class;
+			case Identifier::CLASS_APPLICATION:
+				return ApplicationType::class;
+			case Identifier::CLASS_PRIVATE:
+				return PrivateType::class;
+		}
+		throw new \UnexpectedValueException(
+			sprintf('%s %d not implemented.',
+				Identifier::classToName($identifier->typeClass()),
+				$identifier->tag()));
+	}
 
-    /**
-     * Determine the class that implements an universal type of the given tag.
-     *
-     * @param int $tag
-     *
-     * @throws \UnexpectedValueException
-     *
-     * @return string Class name
-     */
-    protected static function _determineUniversalImplClass(int $tag): string
-    {
-        if (!array_key_exists($tag, self::MAP_TAG_TO_CLASS)) {
-            throw new \UnexpectedValueException(
-                "Universal tag ${tag} not implemented.");
-        }
-        return self::MAP_TAG_TO_CLASS[$tag];
-    }
+	/**
+	 * Determine the class that implements an universal type of the given tag.
+	 *
+	 * @param int $tag
+	 *
+	 * @throws \UnexpectedValueException
+	 *
+	 * @return string Class name
+	 */
+	protected static function _determineUniversalImplClass(int $tag): string
+	{
+		if (!array_key_exists($tag, self::MAP_TAG_TO_CLASS)) {
+			throw new \UnexpectedValueException(
+				"Universal tag ${tag} not implemented.");
+		}
+		return self::MAP_TAG_TO_CLASS[$tag];
+	}
 
-    /**
-     * Get textual description of the type for debugging purposes.
-     *
-     * @return string
-     */
-    protected function _typeDescriptorString(): string
-    {
-        if (Identifier::CLASS_UNIVERSAL == $this->typeClass()) {
-            return self::tagToName($this->_typeTag);
-        }
-        return sprintf('%s TAG %d', Identifier::classToName($this->typeClass()),
-            $this->_typeTag);
-    }
+	/**
+	 * Get textual description of the type for debugging purposes.
+	 *
+	 * @return string
+	 */
+	protected function _typeDescriptorString(): string
+	{
+		if (Identifier::CLASS_UNIVERSAL == $this->typeClass()) {
+			return self::tagToName($this->_typeTag);
+		}
+		return sprintf('%s TAG %d', Identifier::classToName($this->typeClass()),
+			$this->_typeTag);
+	}
 
-    /**
-     * Check whether the element is a concrete type of a given tag.
-     *
-     * @param int $tag
-     *
-     * @return bool
-     */
-    private function _isConcreteType(int $tag): bool
-    {
-        // if tag doesn't match
-        if ($this->tag() != $tag) {
-            return false;
-        }
-        // if type is universal check that instance is of a correct class
-        if (Identifier::CLASS_UNIVERSAL == $this->typeClass()) {
-            $cls = self::_determineUniversalImplClass($tag);
-            if (!$this instanceof $cls) {
-                return false;
-            }
-        }
-        return true;
-    }
+	/**
+	 * Check whether the element is a concrete type of a given tag.
+	 *
+	 * @param int $tag
+	 *
+	 * @return bool
+	 */
+	private function _isConcreteType(int $tag): bool
+	{
+		// if tag doesn't match
+		if ($this->tag() != $tag) {
+			return false;
+		}
+		// if type is universal check that instance is of a correct class
+		if (Identifier::CLASS_UNIVERSAL == $this->typeClass()) {
+			$cls = self::_determineUniversalImplClass($tag);
+			if (!$this instanceof $cls) {
+				return false;
+			}
+		}
+		return true;
+	}
 
-    /**
-     * Check whether the element is a pseudotype.
-     *
-     * @param int $tag
-     *
-     * @return bool
-     */
-    private function _isPseudoType(int $tag): bool
-    {
-        switch ($tag) {
-            case self::TYPE_STRING:
-                return $this instanceof StringType;
-            case self::TYPE_TIME:
-                return $this instanceof TimeType;
-        }
-        return false;
-    }
+	/**
+	 * Check whether the element is a pseudotype.
+	 *
+	 * @param int $tag
+	 *
+	 * @return bool
+	 */
+	private function _isPseudoType(int $tag): bool
+	{
+		switch ($tag) {
+			case self::TYPE_STRING:
+				return $this instanceof StringType;
+			case self::TYPE_TIME:
+				return $this instanceof TimeType;
+		}
+		return false;
+	}
 }

Switch Indentation +12 added lines, -12 removed lines

@@ -399,14 +399,14 @@ 
     protected static function _determineImplClass(Identifier $identifier): string
     {
         switch ($identifier->typeClass()) {
-            case Identifier::CLASS_UNIVERSAL:
-                return self::_determineUniversalImplClass($identifier->intTag());
-            case Identifier::CLASS_CONTEXT_SPECIFIC:
-                return ContextSpecificType::class;
-            case Identifier::CLASS_APPLICATION:
-                return ApplicationType::class;
-            case Identifier::CLASS_PRIVATE:
-                return PrivateType::class;
+        case Identifier::CLASS_UNIVERSAL:
+            return self::_determineUniversalImplClass($identifier->intTag());
+        case Identifier::CLASS_CONTEXT_SPECIFIC:
+            return ContextSpecificType::class;
+        case Identifier::CLASS_APPLICATION:
+            return ApplicationType::class;
+        case Identifier::CLASS_PRIVATE:
+            return PrivateType::class;
         }
         throw new \UnexpectedValueException(
             sprintf('%s %d not implemented.',
@@ -479,10 +479,10 @@ 
     private function _isPseudoType(int $tag): bool
     {
         switch ($tag) {
-            case self::TYPE_STRING:
-                return $this instanceof StringType;
-            case self::TYPE_TIME:
-                return $this instanceof TimeType;
+        case self::TYPE_STRING:
+            return $this instanceof StringType;
+        case self::TYPE_TIME:
+            return $this instanceof TimeType;
         }
         return false;
     }

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Sop\ASN1;
 

lib/ASN1/Type/Constructed/Sequence.php

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Sop\ASN1\Type\Constructed;
 

lib/ASN1/Type/Constructed/Set.php

Indentation +50 added lines, -50 removed lines

@@ -12,56 +12,56 @@
  */
 class Set extends Structure
 {
-    /**
-     * Constructor.
-     *
-     * @param Element ...$elements Any number of elements
-     */
-    public function __construct(Element ...$elements)
-    {
-        $this->_typeTag = self::TYPE_SET;
-        parent::__construct(...$elements);
-    }
+	/**
+	 * Constructor.
+	 *
+	 * @param Element ...$elements Any number of elements
+	 */
+	public function __construct(Element ...$elements)
+	{
+		$this->_typeTag = self::TYPE_SET;
+		parent::__construct(...$elements);
+	}
 
-    /**
-     * Sort by canonical ascending order.
-     * 
-     * Used for DER encoding of SET type.
-     *
-     * @return self
-     */
-    public function sortedSet(): self
-    {
-        $obj = clone $this;
-        usort($obj->_elements,
-            function (Element $a, Element $b) {
-                if ($a->typeClass() != $b->typeClass()) {
-                    return $a->typeClass() < $b->typeClass() ? -1 : 1;
-                }
-                if ($a->tag() == $b->tag()) {
-                    return 0;
-                }
-                return $a->tag() < $b->tag() ? -1 : 1;
-            });
-        return $obj;
-    }
+	/**
+	 * Sort by canonical ascending order.
+	 * 
+	 * Used for DER encoding of SET type.
+	 *
+	 * @return self
+	 */
+	public function sortedSet(): self
+	{
+		$obj = clone $this;
+		usort($obj->_elements,
+			function (Element $a, Element $b) {
+				if ($a->typeClass() != $b->typeClass()) {
+					return $a->typeClass() < $b->typeClass() ? -1 : 1;
+				}
+				if ($a->tag() == $b->tag()) {
+					return 0;
+				}
+				return $a->tag() < $b->tag() ? -1 : 1;
+			});
+		return $obj;
+	}
 
-    /**
-     * Sort by encoding ascending order.
-     * 
-     * Used for DER encoding of SET OF type.
-     *
-     * @return self
-     */
-    public function sortedSetOf(): self
-    {
-        $obj = clone $this;
-        usort($obj->_elements,
-            function (Element $a, Element $b) {
-                $a_der = $a->toDER();
-                $b_der = $b->toDER();
-                return strcmp($a_der, $b_der);
-            });
-        return $obj;
-    }
+	/**
+	 * Sort by encoding ascending order.
+	 * 
+	 * Used for DER encoding of SET OF type.
+	 *
+	 * @return self
+	 */
+	public function sortedSetOf(): self
+	{
+		$obj = clone $this;
+		usort($obj->_elements,
+			function (Element $a, Element $b) {
+				$a_der = $a->toDER();
+				$b_der = $b->toDER();
+				return strcmp($a_der, $b_der);
+			});
+		return $obj;
+	}
 }

Spacing +3 added lines, -3 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Sop\ASN1\Type\Constructed;
 
@@ -34,7 +34,7 @@ 
     {
         $obj = clone $this;
         usort($obj->_elements,
-            function (Element $a, Element $b) {
+            function(Element $a, Element $b) {
                 if ($a->typeClass() != $b->typeClass()) {
                     return $a->typeClass() < $b->typeClass() ? -1 : 1;
                 }
@@ -57,7 +57,7 @@ 
     {
         $obj = clone $this;
         usort($obj->_elements,
-            function (Element $a, Element $b) {
+            function(Element $a, Element $b) {
                 $a_der = $a->toDER();
                 $b_der = $b->toDER();
                 return strcmp($a_der, $b_der);

lib/ASN1/Type/UniversalClass.php

Indentation +9 added lines, -9 removed lines

@@ -11,13 +11,13 @@
  */
 trait UniversalClass
 {
-    /**
-     * @see \Sop\ASN1\Feature\ElementBase::typeClass()
-     *
-     * @return int
-     */
-    public function typeClass(): int
-    {
-        return Identifier::CLASS_UNIVERSAL;
-    }
+	/**
+	 * @see \Sop\ASN1\Feature\ElementBase::typeClass()
+	 *
+	 * @return int
+	 */
+	public function typeClass(): int
+	{
+		return Identifier::CLASS_UNIVERSAL;
+	}
 }

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Sop\ASN1\Type;
 

lib/ASN1/Type/PrimitiveString.php

Indentation +30 added lines, -30 removed lines

@@ -14,36 +14,36 @@
  */
 abstract class PrimitiveString extends StringType
 {
-    use PrimitiveType;
+	use PrimitiveType;
 
-    /**
-     * {@inheritdoc}
-     */
-    protected function _encodedContentDER(): string
-    {
-        return $this->_string;
-    }
+	/**
+	 * {@inheritdoc}
+	 */
+	protected function _encodedContentDER(): string
+	{
+		return $this->_string;
+	}
 
-    /**
-     * {@inheritdoc}
-     */
-    protected static function _decodeFromDER(Identifier $identifier,
-        string $data, int &$offset): ElementBase
-    {
-        $idx = $offset;
-        if (!$identifier->isPrimitive()) {
-            throw new DecodeException('DER encoded string must be primitive.');
-        }
-        $length = Length::expectFromDER($data, $idx)->intLength();
-        $str = $length ? substr($data, $idx, $length) : '';
-        // substr should never return false, since length is
-        // checked by Length::expectFromDER.
-        assert(is_string($str), new DecodeException('substr'));
-        $offset = $idx + $length;
-        try {
-            return new static($str);
-        } catch (\InvalidArgumentException $e) {
-            throw new DecodeException($e->getMessage(), 0, $e);
-        }
-    }
+	/**
+	 * {@inheritdoc}
+	 */
+	protected static function _decodeFromDER(Identifier $identifier,
+		string $data, int &$offset): ElementBase
+	{
+		$idx = $offset;
+		if (!$identifier->isPrimitive()) {
+			throw new DecodeException('DER encoded string must be primitive.');
+		}
+		$length = Length::expectFromDER($data, $idx)->intLength();
+		$str = $length ? substr($data, $idx, $length) : '';
+		// substr should never return false, since length is
+		// checked by Length::expectFromDER.
+		assert(is_string($str), new DecodeException('substr'));
+		$offset = $idx + $length;
+		try {
+			return new static($str);
+		} catch (\InvalidArgumentException $e) {
+			throw new DecodeException($e->getMessage(), 0, $e);
+		}
+	}
 }

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Sop\ASN1\Type;
 

lib/ASN1/Type/Structure.php

Indentation +389 added lines, -389 removed lines

@@ -15,416 +15,416 @@
  */
 abstract class Structure extends Element implements \Countable, \IteratorAggregate
 {
-    use UniversalClass;
+	use UniversalClass;
 
-    /**
-     * Array of elements in the structure.
-     *
-     * @var Element[]
-     */
-    protected $_elements;
+	/**
+	 * Array of elements in the structure.
+	 *
+	 * @var Element[]
+	 */
+	protected $_elements;
 
-    /**
-     * Lookup table for the tagged elements.
-     *
-     * @var null|TaggedType[]
-     */
-    private $_taggedMap;
+	/**
+	 * Lookup table for the tagged elements.
+	 *
+	 * @var null|TaggedType[]
+	 */
+	private $_taggedMap;
 
-    /**
-     * Cache variable of elements wrapped into UnspecifiedType objects.
-     *
-     * @var null|UnspecifiedType[]
-     */
-    private $_unspecifiedTypes;
+	/**
+	 * Cache variable of elements wrapped into UnspecifiedType objects.
+	 *
+	 * @var null|UnspecifiedType[]
+	 */
+	private $_unspecifiedTypes;
 
-    /**
-     * Constructor.
-     *
-     * @param ElementBase ...$elements Any number of elements
-     */
-    public function __construct(ElementBase ...$elements)
-    {
-        $this->_elements = array_map(
-            function (ElementBase $el) {
-                return $el->asElement();
-            }, $elements);
-    }
+	/**
+	 * Constructor.
+	 *
+	 * @param ElementBase ...$elements Any number of elements
+	 */
+	public function __construct(ElementBase ...$elements)
+	{
+		$this->_elements = array_map(
+			function (ElementBase $el) {
+				return $el->asElement();
+			}, $elements);
+	}
 
-    /**
-     * Clone magic method.
-     */
-    public function __clone()
-    {
-        // clear cache-variables
-        $this->_taggedMap = null;
-        $this->_unspecifiedTypes = null;
-    }
+	/**
+	 * Clone magic method.
+	 */
+	public function __clone()
+	{
+		// clear cache-variables
+		$this->_taggedMap = null;
+		$this->_unspecifiedTypes = null;
+	}
 
-    /**
-     * {@inheritdoc}
-     */
-    public function isConstructed(): bool
-    {
-        return true;
-    }
+	/**
+	 * {@inheritdoc}
+	 */
+	public function isConstructed(): bool
+	{
+		return true;
+	}
 
-    /**
-     * Explode DER structure to DER encoded components that it contains.
-     *
-     * @param string $data
-     *
-     * @throws DecodeException
-     *
-     * @return string[]
-     */
-    public static function explodeDER(string $data): array
-    {
-        $offset = 0;
-        $identifier = Identifier::fromDER($data, $offset);
-        if (!$identifier->isConstructed()) {
-            throw new DecodeException('Element is not constructed.');
-        }
-        $length = Length::expectFromDER($data, $offset);
-        if ($length->isIndefinite()) {
-            throw new DecodeException(
-                'Explode not implemented for indefinite length encoding.');
-        }
-        $end = $offset + $length->intLength();
-        $parts = [];
-        while ($offset < $end) {
-            // start of the element
-            $idx = $offset;
-            // skip identifier
-            Identifier::fromDER($data, $offset);
-            // decode element length
-            $length = Length::expectFromDER($data, $offset)->intLength();
-            // extract der encoding of the element
-            $parts[] = substr($data, $idx, $offset - $idx + $length);
-            // update offset over content
-            $offset += $length;
-        }
-        return $parts;
-    }
+	/**
+	 * Explode DER structure to DER encoded components that it contains.
+	 *
+	 * @param string $data
+	 *
+	 * @throws DecodeException
+	 *
+	 * @return string[]
+	 */
+	public static function explodeDER(string $data): array
+	{
+		$offset = 0;
+		$identifier = Identifier::fromDER($data, $offset);
+		if (!$identifier->isConstructed()) {
+			throw new DecodeException('Element is not constructed.');
+		}
+		$length = Length::expectFromDER($data, $offset);
+		if ($length->isIndefinite()) {
+			throw new DecodeException(
+				'Explode not implemented for indefinite length encoding.');
+		}
+		$end = $offset + $length->intLength();
+		$parts = [];
+		while ($offset < $end) {
+			// start of the element
+			$idx = $offset;
+			// skip identifier
+			Identifier::fromDER($data, $offset);
+			// decode element length
+			$length = Length::expectFromDER($data, $offset)->intLength();
+			// extract der encoding of the element
+			$parts[] = substr($data, $idx, $offset - $idx + $length);
+			// update offset over content
+			$offset += $length;
+		}
+		return $parts;
+	}
 
-    /**
-     * Get self with an element at the given index replaced by another.
-     *
-     * @param int     $idx Element index
-     * @param Element $el  New element to insert into the structure
-     *
-     * @throws \OutOfBoundsException
-     *
-     * @return self
-     */
-    public function withReplaced(int $idx, Element $el): self
-    {
-        if (!isset($this->_elements[$idx])) {
-            throw new \OutOfBoundsException(
-                "Structure doesn't have element at index ${idx}.");
-        }
-        $obj = clone $this;
-        $obj->_elements[$idx] = $el;
-        return $obj;
-    }
+	/**
+	 * Get self with an element at the given index replaced by another.
+	 *
+	 * @param int     $idx Element index
+	 * @param Element $el  New element to insert into the structure
+	 *
+	 * @throws \OutOfBoundsException
+	 *
+	 * @return self
+	 */
+	public function withReplaced(int $idx, Element $el): self
+	{
+		if (!isset($this->_elements[$idx])) {
+			throw new \OutOfBoundsException(
+				"Structure doesn't have element at index ${idx}.");
+		}
+		$obj = clone $this;
+		$obj->_elements[$idx] = $el;
+		return $obj;
+	}
 
-    /**
-     * Get self with an element inserted before the given index.
-     *
-     * @param int     $idx Element index
-     * @param Element $el  New element to insert into the structure
-     *
-     * @throws \OutOfBoundsException
-     *
-     * @return self
-     */
-    public function withInserted(int $idx, Element $el): self
-    {
-        if (count($this->_elements) < $idx || $idx < 0) {
-            throw new \OutOfBoundsException("Index ${idx} is out of bounds.");
-        }
-        $obj = clone $this;
-        array_splice($obj->_elements, $idx, 0, [$el]);
-        return $obj;
-    }
+	/**
+	 * Get self with an element inserted before the given index.
+	 *
+	 * @param int     $idx Element index
+	 * @param Element $el  New element to insert into the structure
+	 *
+	 * @throws \OutOfBoundsException
+	 *
+	 * @return self
+	 */
+	public function withInserted(int $idx, Element $el): self
+	{
+		if (count($this->_elements) < $idx || $idx < 0) {
+			throw new \OutOfBoundsException("Index ${idx} is out of bounds.");
+		}
+		$obj = clone $this;
+		array_splice($obj->_elements, $idx, 0, [$el]);
+		return $obj;
+	}
 
-    /**
-     * Get self with an element appended to the end.
-     *
-     * @param Element $el Element to insert into the structure
-     *
-     * @return self
-     */
-    public function withAppended(Element $el): self
-    {
-        $obj = clone $this;
-        array_push($obj->_elements, $el);
-        return $obj;
-    }
+	/**
+	 * Get self with an element appended to the end.
+	 *
+	 * @param Element $el Element to insert into the structure
+	 *
+	 * @return self
+	 */
+	public function withAppended(Element $el): self
+	{
+		$obj = clone $this;
+		array_push($obj->_elements, $el);
+		return $obj;
+	}
 
-    /**
-     * Get self with an element prepended in the beginning.
-     *
-     * @param Element $el Element to insert into the structure
-     *
-     * @return self
-     */
-    public function withPrepended(Element $el): self
-    {
-        $obj = clone $this;
-        array_unshift($obj->_elements, $el);
-        return $obj;
-    }
+	/**
+	 * Get self with an element prepended in the beginning.
+	 *
+	 * @param Element $el Element to insert into the structure
+	 *
+	 * @return self
+	 */
+	public function withPrepended(Element $el): self
+	{
+		$obj = clone $this;
+		array_unshift($obj->_elements, $el);
+		return $obj;
+	}
 
-    /**
-     * Get self with an element at the given index removed.
-     *
-     * @param int $idx Element index
-     *
-     * @throws \OutOfBoundsException
-     *
-     * @return self
-     */
-    public function withoutElement(int $idx): self
-    {
-        if (!isset($this->_elements[$idx])) {
-            throw new \OutOfBoundsException(
-                "Structure doesn't have element at index ${idx}.");
-        }
-        $obj = clone $this;
-        array_splice($obj->_elements, $idx, 1);
-        return $obj;
-    }
+	/**
+	 * Get self with an element at the given index removed.
+	 *
+	 * @param int $idx Element index
+	 *
+	 * @throws \OutOfBoundsException
+	 *
+	 * @return self
+	 */
+	public function withoutElement(int $idx): self
+	{
+		if (!isset($this->_elements[$idx])) {
+			throw new \OutOfBoundsException(
+				"Structure doesn't have element at index ${idx}.");
+		}
+		$obj = clone $this;
+		array_splice($obj->_elements, $idx, 1);
+		return $obj;
+	}
 
-    /**
-     * Get elements in the structure.
-     *
-     * @return UnspecifiedType[]
-     */
-    public function elements(): array
-    {
-        if (!isset($this->_unspecifiedTypes)) {
-            $this->_unspecifiedTypes = array_map(
-                function (Element $el) {
-                    return new UnspecifiedType($el);
-                }, $this->_elements);
-        }
-        return $this->_unspecifiedTypes;
-    }
+	/**
+	 * Get elements in the structure.
+	 *
+	 * @return UnspecifiedType[]
+	 */
+	public function elements(): array
+	{
+		if (!isset($this->_unspecifiedTypes)) {
+			$this->_unspecifiedTypes = array_map(
+				function (Element $el) {
+					return new UnspecifiedType($el);
+				}, $this->_elements);
+		}
+		return $this->_unspecifiedTypes;
+	}
 
-    /**
-     * Check whether the structure has an element at the given index, optionally
-     * satisfying given tag expectation.
-     *
-     * @param int      $idx         Index 0..n
-     * @param null|int $expectedTag Optional type tag expectation
-     *
-     * @return bool
-     */
-    public function has(int $idx, ?int $expectedTag = null): bool
-    {
-        if (!isset($this->_elements[$idx])) {
-            return false;
-        }
-        if (isset($expectedTag)) {
-            if (!$this->_elements[$idx]->isType($expectedTag)) {
-                return false;
-            }
-        }
-        return true;
-    }
+	/**
+	 * Check whether the structure has an element at the given index, optionally
+	 * satisfying given tag expectation.
+	 *
+	 * @param int      $idx         Index 0..n
+	 * @param null|int $expectedTag Optional type tag expectation
+	 *
+	 * @return bool
+	 */
+	public function has(int $idx, ?int $expectedTag = null): bool
+	{
+		if (!isset($this->_elements[$idx])) {
+			return false;
+		}
+		if (isset($expectedTag)) {
+			if (!$this->_elements[$idx]->isType($expectedTag)) {
+				return false;
+			}
+		}
+		return true;
+	}
 
-    /**
-     * Get the element at the given index, optionally checking that the element
-     * has a given tag.
-     *
-     * <strong>NOTE!</strong> Expectation checking is deprecated and should be
-     * done with <code>UnspecifiedType</code>.
-     *
-     * @todo Remove
-     *
-     * @param int      $idx         Index 0..n
-     * @param null|int $expectedTag Optional type tag expectation
-     *
-     * @throws \OutOfBoundsException     If element doesn't exists
-     * @throws \UnexpectedValueException If expectation fails
-     *
-     * @return UnspecifiedType
-     */
-    public function at(int $idx, ?int $expectedTag = null): UnspecifiedType
-    {
-        if (!isset($this->_elements[$idx])) {
-            throw new \OutOfBoundsException(
-                "Structure doesn't have an element at index ${idx}.");
-        }
-        $element = $this->_elements[$idx];
-        if (isset($expectedTag)) {
-            $element->expectType($expectedTag);
-        }
-        return new UnspecifiedType($element);
-    }
+	/**
+	 * Get the element at the given index, optionally checking that the element
+	 * has a given tag.
+	 *
+	 * <strong>NOTE!</strong> Expectation checking is deprecated and should be
+	 * done with <code>UnspecifiedType</code>.
+	 *
+	 * @todo Remove
+	 *
+	 * @param int      $idx         Index 0..n
+	 * @param null|int $expectedTag Optional type tag expectation
+	 *
+	 * @throws \OutOfBoundsException     If element doesn't exists
+	 * @throws \UnexpectedValueException If expectation fails
+	 *
+	 * @return UnspecifiedType
+	 */
+	public function at(int $idx, ?int $expectedTag = null): UnspecifiedType
+	{
+		if (!isset($this->_elements[$idx])) {
+			throw new \OutOfBoundsException(
+				"Structure doesn't have an element at index ${idx}.");
+		}
+		$element = $this->_elements[$idx];
+		if (isset($expectedTag)) {
+			$element->expectType($expectedTag);
+		}
+		return new UnspecifiedType($element);
+	}
 
-    /**
-     * Check whether the structure contains a context specific element with a
-     * given tag.
-     *
-     * @param int $tag Tag number
-     *
-     * @return bool
-     */
-    public function hasTagged(int $tag): bool
-    {
-        // lazily build lookup map
-        if (!isset($this->_taggedMap)) {
-            $this->_taggedMap = [];
-            foreach ($this->_elements as $element) {
-                if ($element->isTagged()) {
-                    $this->_taggedMap[$element->tag()] = $element;
-                }
-            }
-        }
-        return isset($this->_taggedMap[$tag]);
-    }
+	/**
+	 * Check whether the structure contains a context specific element with a
+	 * given tag.
+	 *
+	 * @param int $tag Tag number
+	 *
+	 * @return bool
+	 */
+	public function hasTagged(int $tag): bool
+	{
+		// lazily build lookup map
+		if (!isset($this->_taggedMap)) {
+			$this->_taggedMap = [];
+			foreach ($this->_elements as $element) {
+				if ($element->isTagged()) {
+					$this->_taggedMap[$element->tag()] = $element;
+				}
+			}
+		}
+		return isset($this->_taggedMap[$tag]);
+	}
 
-    /**
-     * Get a context specific element tagged with a given tag.
-     *
-     * @param int $tag
-     *
-     * @throws \LogicException If tag doesn't exists
-     *
-     * @return TaggedType
-     */
-    public function getTagged(int $tag): TaggedType
-    {
-        if (!$this->hasTagged($tag)) {
-            throw new \LogicException("No tagged element for tag ${tag}.");
-        }
-        return $this->_taggedMap[$tag];
-    }
+	/**
+	 * Get a context specific element tagged with a given tag.
+	 *
+	 * @param int $tag
+	 *
+	 * @throws \LogicException If tag doesn't exists
+	 *
+	 * @return TaggedType
+	 */
+	public function getTagged(int $tag): TaggedType
+	{
+		if (!$this->hasTagged($tag)) {
+			throw new \LogicException("No tagged element for tag ${tag}.");
+		}
+		return $this->_taggedMap[$tag];
+	}
 
-    /**
-     * @see \Countable::count()
-     *
-     * @return int
-     */
-    public function count(): int
-    {
-        return count($this->_elements);
-    }
+	/**
+	 * @see \Countable::count()
+	 *
+	 * @return int
+	 */
+	public function count(): int
+	{
+		return count($this->_elements);
+	}
 
-    /**
-     * Get an iterator for the UnspecifiedElement objects.
-     *
-     * @see \IteratorAggregate::getIterator()
-     *
-     * @return \ArrayIterator
-     */
-    public function getIterator(): \ArrayIterator
-    {
-        return new \ArrayIterator($this->elements());
-    }
+	/**
+	 * Get an iterator for the UnspecifiedElement objects.
+	 *
+	 * @see \IteratorAggregate::getIterator()
+	 *
+	 * @return \ArrayIterator
+	 */
+	public function getIterator(): \ArrayIterator
+	{
+		return new \ArrayIterator($this->elements());
+	}
 
-    /**
-     * @see \Sop\ASN1\Element::_encodedContentDER()
-     *
-     * @return string
-     */
-    protected function _encodedContentDER(): string
-    {
-        $data = '';
-        foreach ($this->_elements as $element) {
-            $data .= $element->toDER();
-        }
-        return $data;
-    }
+	/**
+	 * @see \Sop\ASN1\Element::_encodedContentDER()
+	 *
+	 * @return string
+	 */
+	protected function _encodedContentDER(): string
+	{
+		$data = '';
+		foreach ($this->_elements as $element) {
+			$data .= $element->toDER();
+		}
+		return $data;
+	}
 
-    /**
-     * {@inheritdoc}
-     *
-     * @see \Sop\ASN1\Element::_decodeFromDER()
-     *
-     * @return self
-     */
-    protected static function _decodeFromDER(Identifier $identifier,
-        string $data, int &$offset): ElementBase
-    {
-        if (!$identifier->isConstructed()) {
-            throw new DecodeException(
-                'Structured element must have constructed bit set.');
-        }
-        $idx = $offset;
-        $length = Length::expectFromDER($data, $idx);
-        if ($length->isIndefinite()) {
-            $type = self::_decodeIndefiniteLength($data, $idx);
-        } else {
-            $type = self::_decodeDefiniteLength($data, $idx,
-                $length->intLength());
-        }
-        $offset = $idx;
-        return $type;
-    }
+	/**
+	 * {@inheritdoc}
+	 *
+	 * @see \Sop\ASN1\Element::_decodeFromDER()
+	 *
+	 * @return self
+	 */
+	protected static function _decodeFromDER(Identifier $identifier,
+		string $data, int &$offset): ElementBase
+	{
+		if (!$identifier->isConstructed()) {
+			throw new DecodeException(
+				'Structured element must have constructed bit set.');
+		}
+		$idx = $offset;
+		$length = Length::expectFromDER($data, $idx);
+		if ($length->isIndefinite()) {
+			$type = self::_decodeIndefiniteLength($data, $idx);
+		} else {
+			$type = self::_decodeDefiniteLength($data, $idx,
+				$length->intLength());
+		}
+		$offset = $idx;
+		return $type;
+	}
 
-    /**
-     * Decode elements for a definite length.
-     *
-     * @param string $data   DER data
-     * @param int    $offset Offset to data
-     * @param int    $length Number of bytes to decode
-     *
-     * @throws DecodeException
-     *
-     * @return ElementBase
-     */
-    private static function _decodeDefiniteLength(string $data, int &$offset,
-        int $length): ElementBase
-    {
-        $idx = $offset;
-        $end = $idx + $length;
-        $elements = [];
-        while ($idx < $end) {
-            $elements[] = Element::fromDER($data, $idx);
-            // check that element didn't overflow length
-            if ($idx > $end) {
-                throw new DecodeException(
-                    "Structure's content overflows length.");
-            }
-        }
-        $offset = $idx;
-        // return instance by static late binding
-        return new static(...$elements);
-    }
+	/**
+	 * Decode elements for a definite length.
+	 *
+	 * @param string $data   DER data
+	 * @param int    $offset Offset to data
+	 * @param int    $length Number of bytes to decode
+	 *
+	 * @throws DecodeException
+	 *
+	 * @return ElementBase
+	 */
+	private static function _decodeDefiniteLength(string $data, int &$offset,
+		int $length): ElementBase
+	{
+		$idx = $offset;
+		$end = $idx + $length;
+		$elements = [];
+		while ($idx < $end) {
+			$elements[] = Element::fromDER($data, $idx);
+			// check that element didn't overflow length
+			if ($idx > $end) {
+				throw new DecodeException(
+					"Structure's content overflows length.");
+			}
+		}
+		$offset = $idx;
+		// return instance by static late binding
+		return new static(...$elements);
+	}
 
-    /**
-     * Decode elements for an indefinite length.
-     *
-     * @param string $data   DER data
-     * @param int    $offset Offset to data
-     *
-     * @throws DecodeException
-     *
-     * @return ElementBase
-     */
-    private static function _decodeIndefiniteLength(
-        string $data, int &$offset): ElementBase
-    {
-        $idx = $offset;
-        $elements = [];
-        $end = strlen($data);
-        while (true) {
-            if ($idx >= $end) {
-                throw new DecodeException(
-                    'Unexpected end of data while decoding indefinite length structure.');
-            }
-            $el = Element::fromDER($data, $idx);
-            if ($el->isType(self::TYPE_EOC)) {
-                break;
-            }
-            $elements[] = $el;
-        }
-        $offset = $idx;
-        $type = new static(...$elements);
-        $type->_indefiniteLength = true;
-        return $type;
-    }
+	/**
+	 * Decode elements for an indefinite length.
+	 *
+	 * @param string $data   DER data
+	 * @param int    $offset Offset to data
+	 *
+	 * @throws DecodeException
+	 *
+	 * @return ElementBase
+	 */
+	private static function _decodeIndefiniteLength(
+		string $data, int &$offset): ElementBase
+	{
+		$idx = $offset;
+		$elements = [];
+		$end = strlen($data);
+		while (true) {
+			if ($idx >= $end) {
+				throw new DecodeException(
+					'Unexpected end of data while decoding indefinite length structure.');
+			}
+			$el = Element::fromDER($data, $idx);
+			if ($el->isType(self::TYPE_EOC)) {
+				break;
+			}
+			$elements[] = $el;
+		}
+		$offset = $idx;
+		$type = new static(...$elements);
+		$type->_indefiniteLength = true;
+		return $type;
+	}
 }

Spacing +3 added lines, -3 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Sop\ASN1\Type;
 
@@ -46,7 +46,7 @@ 
     public function __construct(ElementBase ...$elements)
     {
         $this->_elements = array_map(
-            function (ElementBase $el) {
+            function(ElementBase $el) {
                 return $el->asElement();
             }, $elements);
     }
@@ -205,7 +205,7 @@ 
     {
         if (!isset($this->_unspecifiedTypes)) {
             $this->_unspecifiedTypes = array_map(
-                function (Element $el) {
+                function(Element $el) {
                     return new UnspecifiedType($el);
                 }, $this->_elements);
         }

lib/ASN1/Type/TimeType.php

Indentation +83 added lines, -83 removed lines

@@ -11,93 +11,93 @@
  */
 abstract class TimeType extends Element
 {
-    /**
-     * UTC timezone.
-     *
-     * @var string
-     */
-    const TZ_UTC = 'UTC';
+	/**
+	 * UTC timezone.
+	 *
+	 * @var string
+	 */
+	const TZ_UTC = 'UTC';
 
-    /**
-     * Date and time.
-     *
-     * @var \DateTimeImmutable
-     */
-    protected $_dateTime;
+	/**
+	 * Date and time.
+	 *
+	 * @var \DateTimeImmutable
+	 */
+	protected $_dateTime;
 
-    /**
-     * Constructor.
-     *
-     * @param \DateTimeImmutable $dt
-     */
-    public function __construct(\DateTimeImmutable $dt)
-    {
-        $this->_dateTime = $dt;
-    }
+	/**
+	 * Constructor.
+	 *
+	 * @param \DateTimeImmutable $dt
+	 */
+	public function __construct(\DateTimeImmutable $dt)
+	{
+		$this->_dateTime = $dt;
+	}
 
-    /**
-     * Initialize from datetime string.
-     *
-     * @see http://php.net/manual/en/datetime.formats.php
-     *
-     * @param string      $time Time string
-     * @param null|string $tz   timezone, if null use default
-     *
-     * @throws \RuntimeException
-     *
-     * @return self
-     */
-    public static function fromString(string $time, ?string $tz = null): self
-    {
-        try {
-            if (!isset($tz)) {
-                $tz = date_default_timezone_get();
-            }
-            return new static(
-                new \DateTimeImmutable($time, self::_createTimeZone($tz)));
-        } catch (\Exception $e) {
-            throw new \RuntimeException(
-                'Failed to create DateTime: ' .
-                self::_getLastDateTimeImmutableErrorsStr(), 0, $e);
-        }
-    }
+	/**
+	 * Initialize from datetime string.
+	 *
+	 * @see http://php.net/manual/en/datetime.formats.php
+	 *
+	 * @param string      $time Time string
+	 * @param null|string $tz   timezone, if null use default
+	 *
+	 * @throws \RuntimeException
+	 *
+	 * @return self
+	 */
+	public static function fromString(string $time, ?string $tz = null): self
+	{
+		try {
+			if (!isset($tz)) {
+				$tz = date_default_timezone_get();
+			}
+			return new static(
+				new \DateTimeImmutable($time, self::_createTimeZone($tz)));
+		} catch (\Exception $e) {
+			throw new \RuntimeException(
+				'Failed to create DateTime: ' .
+				self::_getLastDateTimeImmutableErrorsStr(), 0, $e);
+		}
+	}
 
-    /**
-     * Get the date and time.
-     *
-     * @return \DateTimeImmutable
-     */
-    public function dateTime(): \DateTimeImmutable
-    {
-        return $this->_dateTime;
-    }
+	/**
+	 * Get the date and time.
+	 *
+	 * @return \DateTimeImmutable
+	 */
+	public function dateTime(): \DateTimeImmutable
+	{
+		return $this->_dateTime;
+	}
 
-    /**
-     * Create DateTimeZone object from string.
-     *
-     * @param string $tz
-     *
-     * @throws \UnexpectedValueException If timezone is invalid
-     *
-     * @return \DateTimeZone
-     */
-    protected static function _createTimeZone(string $tz): \DateTimeZone
-    {
-        try {
-            return new \DateTimeZone($tz);
-        } catch (\Exception $e) {
-            throw new \UnexpectedValueException('Invalid timezone.', 0, $e);
-        }
-    }
+	/**
+	 * Create DateTimeZone object from string.
+	 *
+	 * @param string $tz
+	 *
+	 * @throws \UnexpectedValueException If timezone is invalid
+	 *
+	 * @return \DateTimeZone
+	 */
+	protected static function _createTimeZone(string $tz): \DateTimeZone
+	{
+		try {
+			return new \DateTimeZone($tz);
+		} catch (\Exception $e) {
+			throw new \UnexpectedValueException('Invalid timezone.', 0, $e);
+		}
+	}
 
-    /**
-     * Get last error caused by DateTimeImmutable.
-     *
-     * @return string
-     */
-    protected static function _getLastDateTimeImmutableErrorsStr(): string
-    {
-        $errors = \DateTimeImmutable::getLastErrors()['errors'];
-        return implode(', ', $errors);
-    }
+	/**
+	 * Get last error caused by DateTimeImmutable.
+	 *
+	 * @return string
+	 */
+	protected static function _getLastDateTimeImmutableErrorsStr(): string
+	{
+		$errors = \DateTimeImmutable::getLastErrors()['errors'];
+		return implode(', ', $errors);
+	}
 }

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Sop\ASN1\Type;
 

lib/ASN1/Type/Tagged/ApplicationType.php

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Sop\ASN1\Type\Tagged;
 

lib/ASN1/Type/Tagged/PrivateType.php

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types = 1);
+declare(strict_types=1);
 
 namespace Sop\ASN1\Type\Tagged;