scala-xml
API
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scala-xml/scala.xml/Null

Null

scala.xml.Null
case object Null extends MetaData

Essentially, every method in here is a dummy, returning Zero[T]. It provides a backstop for the unusual collection defined by MetaData, sort of a linked list of tails.

Attributes

Graph
Supertypes
trait Singleton
trait Product
trait Mirror
trait Product
class MetaData
trait Serializable
trait Equality
trait Equals
class Object
trait Matchable
class Any
Show all
Self type
Null.type

Members list

Type members

Inherited types

type MirroredElemLabels = EmptyTuple

The names of the product elements

The names of the product elements

Attributes

Inherited from:
Singleton
type MirroredElemTypes = EmptyTuple

Attributes

Inherited from:
Singleton
type MirroredLabel <: String

The name of the type

The name of the type

Attributes

Inherited from:
Mirror
type MirroredMonoType = Singleton.this.type

The mirrored *-type

The mirrored *-type

Attributes

Inherited from:
Singleton
type MirroredType = Singleton.this.type

Attributes

Inherited from:
Singleton

Value members

Concrete methods

override def append(m: MetaData, scope: NamespaceBinding): MetaData

Updates this MetaData with the MetaData given as argument. All attributes that occur in updates are part of the resulting MetaData. If an attribute occurs in both this instance and updates, only the one in updates is part of the result (avoiding duplicates). For prefixed attributes, namespaces are resolved using the given scope, which defaults to TopScope.

Updates this MetaData with the MetaData given as argument. All attributes that occur in updates are part of the resulting MetaData. If an attribute occurs in both this instance and updates, only the one in updates is part of the result (avoiding duplicates). For prefixed attributes, namespaces are resolved using the given scope, which defaults to TopScope.

Value parameters

updates

MetaData with new and updated attributes

Attributes

Returns

a new MetaData instance that contains old, new and updated attributes

Definition Classes
override def apply(namespace: String, scope: NamespaceBinding, key: String): NullApply3

Gets value of prefixed attribute with given key and namespace, null if not found

Gets value of prefixed attribute with given key and namespace, null if not found

Value parameters

k

to be looked for

namespace_uri

namespace uri of key

scp

a namespace scp (usually of the element owning this attribute list)

Attributes

Returns

value as Seq[Node] if key is found, null otherwise

Definition Classes
override def apply(key: String): NullApply1

Gets value of unqualified (unprefixed) attribute with given key, null if not found

Gets value of unqualified (unprefixed) attribute with given key, null if not found

Attributes

Returns

value as Seq[Node] if key is found, null otherwise

Definition Classes
override def buildString(sb: StringBuilder): StringBuilder

Attributes

Definition Classes
override def copy(next: MetaData): MetaData

returns a copy of this MetaData item with next field set to argument.

returns a copy of this MetaData item with next field set to argument.

Attributes

Definition Classes
override def filter(f: MetaData => Boolean): NullFilter

filters this sequence of meta data

filters this sequence of meta data

Attributes

Definition Classes
override def getNamespace(owner: Node): NullGetNamespace

if owner is the element of this metadata item, returns namespace

if owner is the element of this metadata item, returns namespace

Attributes

Definition Classes
override def hasNext: Boolean

Attributes

Definition Classes
override def isPrefixed: Boolean

Attributes

Definition Classes
override def iterator: Iterator[Nothing]

Attributes

Definition Classes
override def key: NullKey

returns key of this MetaData item

returns key of this MetaData item

Attributes

Definition Classes
override def length: Int

Attributes

Definition Classes
override def length(i: Int): Int

Attributes

Definition Classes
override def next: NullNext

returns Null or the next MetaData item

returns Null or the next MetaData item

Attributes

Definition Classes
override def remove(key: String): NullRemove

Attributes

Definition Classes
override def remove(namespace: String, scope: NamespaceBinding, key: String): NullRemove

Attributes

Definition Classes
override def size: Int

Attributes

Definition Classes
override def strict_==(other: Equality): Boolean

Attributes

Definition Classes
override def toString: String

Returns a string representation of the object.

Returns a string representation of the object.

The default representation is platform dependent.

Attributes

Returns

a string representation of the object.

Definition Classes
MetaData -> Iterable -> Any
override def value: NullValue

returns value of this MetaData item

returns value of this MetaData item

Attributes

Definition Classes
override def wellformed(scope: NamespaceBinding): Boolean

Attributes

Definition Classes

Inherited methods

final def ++[B >: MetaData](suffix: IterableOnce[B]): Iterable[B]

Attributes

Inherited from:
IterableOps
final def addString(b: StringBuilder): b.type

Attributes

Inherited from:
IterableOnceOps
final def addString(b: StringBuilder, sep: String): b.type

Attributes

Inherited from:
IterableOnceOps
def addString(b: StringBuilder, start: String, sep: String, end: String): b.type

Attributes

Inherited from:
IterableOnceOps
final def apply(namespace_uri: String, owner: Node, key: String): Seq[Node]

convenience method, same as apply(namespace, owner.scope, key).

convenience method, same as apply(namespace, owner.scope, key).

Value parameters

key

the attribute key

namespace_uri

namespace uri of key

owner

the element owning this attribute list

Attributes

Inherited from:
MetaData
def asAttrMap: Map[String, String]

Returns a Map containing the attributes stored as key/value pairs.

Returns a Map containing the attributes stored as key/value pairs.

Attributes

Inherited from:
MetaData
override def canEqual(other: Any): Boolean

We insist we're only equal to other xml.Equality implementors, which heads off a lot of inconsistency up front.

We insist we're only equal to other xml.Equality implementors, which heads off a lot of inconsistency up front.

Attributes

Definition Classes
Inherited from:
MetaData
def collect[B](pf: PartialFunction[MetaData, B]): Iterable[B]

Attributes

Inherited from:
IterableOps
def collectFirst[B](pf: PartialFunction[MetaData, B]): Option[B]

Attributes

Inherited from:
IterableOnceOps
def concat[B >: MetaData](suffix: IterableOnce[B]): Iterable[B]

Attributes

Inherited from:
IterableOps
def copyToArray[B >: MetaData](xs: Array[B], start: Int, len: Int): Int

Attributes

Inherited from:
IterableOnceOps
def copyToArray[B >: MetaData](xs: Array[B], start: Int): Int

Attributes

Inherited from:
IterableOnceOps
def copyToArray[B >: MetaData](xs: Array[B]): Int

Attributes

Inherited from:
IterableOnceOps
def corresponds[B](that: IterableOnce[B])(p: (MetaData, B) => Boolean): Boolean

Attributes

Inherited from:
IterableOnceOps
def count(p: MetaData => Boolean): Int

Attributes

Inherited from:
IterableOnceOps
def drop(n: Int): Iterable[MetaData]

Attributes

Inherited from:
IterableOps
def dropRight(n: Int): Iterable[MetaData]

Attributes

Inherited from:
IterableOps
def dropWhile(p: MetaData => Boolean): Iterable[MetaData]

Attributes

Inherited from:
IterableOps
override def empty: Iterable[MetaData]

Attributes

Definition Classes
Inherited from:
IterableFactoryDefaults
override def equals(other: Any): Boolean

Compares the receiver object (this) with the argument object (that) for equivalence.

Compares the receiver object (this) with the argument object (that) for equivalence.

Any implementation of this method should be an equivalence relation:

  • It is reflexive: for any instance x of type Any, x.equals(x) should return true.
  • It is symmetric: for any instances x and y of type Any, x.equals(y) should return true if and only if y.equals(x) returns true.
  • It is transitive: for any instances x, y, and z of type Any if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) should return true.

If you override this method, you should verify that your implementation remains an equivalence relation. Additionally, when overriding this method it is usually necessary to override hashCode to ensure that objects which are "equal" (o1.equals(o2) returns true) hash to the same scala.Int. (o1.hashCode.equals(o2.hashCode)).

Value parameters

that

the object to compare against this object for equality.

Attributes

Returns

true if the receiver object is equivalent to the argument; false otherwise.

Definition Classes
Equality -> Equals -> Any
Inherited from:
Equality
def exists(p: MetaData => Boolean): Boolean

Attributes

Inherited from:
IterableOnceOps
def filterNot(pred: MetaData => Boolean): Iterable[MetaData]

Attributes

Inherited from:
IterableOps
def find(p: MetaData => Boolean): Option[MetaData]

Attributes

Inherited from:
IterableOnceOps
def flatMap[B](f: MetaData => IterableOnce[B]): Iterable[B]

Attributes

Inherited from:
IterableOps
def flatten[B](implicit asIterable: MetaData => IterableOnce[B]): Iterable[B]

Attributes

Inherited from:
IterableOps
def fold[A1 >: MetaData](z: A1)(op: (A1, A1) => A1): A1

Attributes

Inherited from:
IterableOnceOps
def foldLeft[B](z: B)(op: (B, MetaData) => B): B

Attributes

Inherited from:
IterableOnceOps
def foldRight[B](z: B)(op: (MetaData, B) => B): B

Attributes

Inherited from:
IterableOnceOps
def forall(p: MetaData => Boolean): Boolean

Attributes

Inherited from:
IterableOnceOps
def foreach[U](f: MetaData => U): Unit

Attributes

Inherited from:
IterableOnceOps
def fromProduct(p: Product): MirroredMonoType

Create a new instance of type T with elements taken from product p.

Create a new instance of type T with elements taken from product p.

Attributes

Inherited from:
Singleton
protected def fromSpecific(coll: IterableOnce[MetaData]): Iterable[MetaData]

Attributes

Inherited from:
IterableFactoryDefaults
final def get(uri: String, scope: NamespaceBinding, key: String): Option[Seq[Node]]

gets value of qualified (prefixed) attribute with given key.

gets value of qualified (prefixed) attribute with given key.

Value parameters

key

to be looked fore

scope

a namespace scp (usually of the element owning this attribute list)

uri

namespace of key

Attributes

Returns

value as Some[Seq[Node]] if key is found, None otherwise

Inherited from:
MetaData
final def get(uri: String, owner: Node, key: String): Option[Seq[Node]]

same as get(uri, owner.scope, key)

same as get(uri, owner.scope, key)

Attributes

Inherited from:
MetaData
final def get(key: String): Option[Seq[Node]]

Gets value of unqualified (unprefixed) attribute with given key, None if not found

Gets value of unqualified (unprefixed) attribute with given key, None if not found

Attributes

Returns

value in Some(Seq[Node]) if key is found, None otherwise

Inherited from:
MetaData
def groupBy[K](f: MetaData => K): Map[K, Iterable[MetaData]]

Attributes

Inherited from:
IterableOps
def groupMap[K, B](key: MetaData => K)(f: MetaData => B): Map[K, Iterable[B]]

Attributes

Inherited from:
IterableOps
def groupMapReduce[K, B](key: MetaData => K)(f: MetaData => B)(reduce: (B, B) => B): Map[K, B]

Attributes

Inherited from:
IterableOps
def grouped(size: Int): Iterator[Iterable[MetaData]]

Attributes

Inherited from:
IterableOps
override def hashCode: Int

It's be nice to make these final, but there are probably people out there subclassing the XML types, especially when it comes to equals. However WE at least can pretend they are final since clearly individual classes cannot be trusted to maintain a semblance of order.

It's be nice to make these final, but there are probably people out there subclassing the XML types, especially when it comes to equals. However WE at least can pretend they are final since clearly individual classes cannot be trusted to maintain a semblance of order.

Attributes

Definition Classes
Equality -> Any
Inherited from:
Equality
def head: MetaData

Attributes

Inherited from:
IterableOps
def headOption: Option[MetaData]

Attributes

Inherited from:
IterableOps
def init: Iterable[MetaData]

Attributes

Inherited from:
IterableOps
def inits: Iterator[Iterable[MetaData]]

Attributes

Inherited from:
IterableOps
def isEmpty: Boolean

Attributes

Inherited from:
IterableOnceOps
override def isTraversableAgain: Boolean

Attributes

Definition Classes
Inherited from:
IterableOps
def iterableFactory: IterableFactory[Iterable]

Attributes

Inherited from:
Iterable
def knownSize: Int

Attributes

Inherited from:
IterableOnce
def last: MetaData

Attributes

Inherited from:
IterableOps
def lastOption: Option[MetaData]

Attributes

Inherited from:
IterableOps
def lazyZip[B](that: Iterable[B]): LazyZip2[MetaData, B, Iterable.this.type]

Attributes

Inherited from:
Iterable
def map[B](f: MetaData => B): Iterable[B]

Attributes

Inherited from:
IterableOps
def max[B >: MetaData](implicit ord: Ordering[B]): MetaData

Attributes

Inherited from:
IterableOnceOps
def maxBy[B](f: MetaData => B)(implicit ord: Ordering[B]): MetaData

Attributes

Inherited from:
IterableOnceOps
def maxByOption[B](f: MetaData => B)(implicit ord: Ordering[B]): Option[MetaData]

Attributes

Inherited from:
IterableOnceOps
def maxOption[B >: MetaData](implicit ord: Ordering[B]): Option[MetaData]

Attributes

Inherited from:
IterableOnceOps
def min[B >: MetaData](implicit ord: Ordering[B]): MetaData

Attributes

Inherited from:
IterableOnceOps
def minBy[B](f: MetaData => B)(implicit ord: Ordering[B]): MetaData

Attributes

Inherited from:
IterableOnceOps
def minByOption[B](f: MetaData => B)(implicit ord: Ordering[B]): Option[MetaData]

Attributes

Inherited from:
IterableOnceOps
def minOption[B >: MetaData](implicit ord: Ordering[B]): Option[MetaData]

Attributes

Inherited from:
IterableOnceOps
final def mkString: String

Attributes

Inherited from:
IterableOnceOps
final def mkString(sep: String): String

Attributes

Inherited from:
IterableOnceOps
final def mkString(start: String, sep: String, end: String): String

Attributes

Inherited from:
IterableOnceOps
protected def newSpecificBuilder: Builder[MetaData, Iterable[MetaData]]

Attributes

Inherited from:
IterableFactoryDefaults
def nonEmpty: Boolean

Attributes

Inherited from:
IterableOnceOps
def partition(p: MetaData => Boolean): (Iterable[MetaData], Iterable[MetaData])

Attributes

Inherited from:
IterableOps
def partitionMap[A1, A2](f: MetaData => Either[A1, A2]): (Iterable[A1], Iterable[A2])

Attributes

Inherited from:
IterableOps
def prefixedKey: String

Returns a String containing "prefix:key" if the first key is prefixed, and "key" otherwise.

Returns a String containing "prefix:key" if the first key is prefixed, and "key" otherwise.

Attributes

Inherited from:
MetaData
def product[B >: MetaData](implicit num: Numeric[B]): B

Attributes

Inherited from:
IterableOnceOps
def productElementNames: Iterator[String]

Attributes

Inherited from:
Product
def productIterator: Iterator[Any]

Attributes

Inherited from:
Product
def reduce[B >: MetaData](op: (B, B) => B): B

Attributes

Inherited from:
IterableOnceOps
def reduceLeft[B >: MetaData](op: (B, MetaData) => B): B

Attributes

Inherited from:
IterableOnceOps
def reduceLeftOption[B >: MetaData](op: (B, MetaData) => B): Option[B]

Attributes

Inherited from:
IterableOnceOps
def reduceOption[B >: MetaData](op: (B, B) => B): Option[B]

Attributes

Inherited from:
IterableOnceOps
def reduceRight[B >: MetaData](op: (MetaData, B) => B): B

Attributes

Inherited from:
IterableOnceOps
def reduceRightOption[B >: MetaData](op: (MetaData, B) => B): Option[B]

Attributes

Inherited from:
IterableOnceOps
final def remove(namespace: String, owner: Node, key: String): MetaData

Attributes

Inherited from:
MetaData
def reverse: MetaData

Attributes

Inherited from:
MetaData
protected def reversed: Iterable[MetaData]

Attributes

Inherited from:
IterableOnceOps
def scan[B >: MetaData](z: B)(op: (B, B) => B): Iterable[B]

Attributes

Inherited from:
IterableOps
def scanLeft[B](z: B)(op: (B, MetaData) => B): Iterable[B]

Attributes

Inherited from:
IterableOps
def scanRight[B](z: B)(op: (MetaData, B) => B): Iterable[B]

Attributes

Inherited from:
IterableOps
def sizeCompare(that: Iterable[_]): Int

Attributes

Inherited from:
IterableOps
def sizeCompare(otherSize: Int): Int

Attributes

Inherited from:
IterableOps
final def sizeIs: SizeCompareOps

Attributes

Inherited from:
IterableOps
def slice(from: Int, until: Int): Iterable[MetaData]

Attributes

Inherited from:
IterableOps
def sliding(size: Int, step: Int): Iterator[Iterable[MetaData]]

Attributes

Inherited from:
IterableOps
def sliding(size: Int): Iterator[Iterable[MetaData]]

Attributes

Inherited from:
IterableOps
def span(p: MetaData => Boolean): (Iterable[MetaData], Iterable[MetaData])

Attributes

Inherited from:
IterableOps
override def splitAt(n: Int): (Iterable[MetaData], Iterable[MetaData])

Attributes

Definition Classes
Inherited from:
IterableOps
def stepper[S <: Stepper[_]](implicit shape: StepperShape[MetaData, S]): S

Attributes

Inherited from:
IterableOnce
def strict_!=(other: Equality): Boolean

Attributes

Inherited from:
Equality
def sum[B >: MetaData](implicit num: Numeric[B]): B

Attributes

Inherited from:
IterableOnceOps
def tail: Iterable[MetaData]

Attributes

Inherited from:
IterableOps
def tails: Iterator[Iterable[MetaData]]

Attributes

Inherited from:
IterableOps
def take(n: Int): Iterable[MetaData]

Attributes

Inherited from:
IterableOps
def takeRight(n: Int): Iterable[MetaData]

Attributes

Inherited from:
IterableOps
def takeWhile(p: MetaData => Boolean): Iterable[MetaData]

Attributes

Inherited from:
IterableOps
override def tapEach[U](f: MetaData => U): Iterable[MetaData]

Attributes

Definition Classes
Inherited from:
IterableOps
def to[C1](factory: Factory[MetaData, C1]): C1

Attributes

Inherited from:
IterableOnceOps
def toArray[B >: MetaData : ClassTag]: Array[B]

Attributes

Inherited from:
IterableOnceOps
final def toBuffer[B >: MetaData]: Buffer[B]

Attributes

Inherited from:
IterableOnceOps
def toIndexedSeq: IndexedSeq[MetaData]

Attributes

Inherited from:
IterableOnceOps
def toList: List[MetaData]

Attributes

Inherited from:
IterableOnceOps
def toMap[K, V](implicit ev: MetaData <:< (K, V)): Map[K, V]

Attributes

Inherited from:
IterableOnceOps
def toSeq: Seq[MetaData]

Attributes

Inherited from:
IterableOnceOps
def toSet[B >: MetaData]: Set[B]

Attributes

Inherited from:
IterableOnceOps
def toVector: Vector[MetaData]

Attributes

Inherited from:
IterableOnceOps
def transpose[B](implicit asIterable: MetaData => Iterable[B]): Iterable[Iterable[B]]

Attributes

Inherited from:
IterableOps
def unzip[A1, A2](implicit asPair: MetaData => (A1, A2)): (Iterable[A1], Iterable[A2])

Attributes

Inherited from:
IterableOps
def unzip3[A1, A2, A3](implicit asTriple: MetaData => (A1, A2, A3)): (Iterable[A1], Iterable[A2], Iterable[A3])

Attributes

Inherited from:
IterableOps
def view: View[MetaData]

Attributes

Inherited from:
IterableOps
def withFilter(p: MetaData => Boolean): WithFilter[MetaData, Iterable]

Attributes

Inherited from:
IterableOps
final def xml_!=(other: Any): Boolean

Attributes

Inherited from:
Equality
final def xml_==(other: Any): Boolean

Attributes

Inherited from:
Equality
def zip[B](that: IterableOnce[B]): Iterable[(MetaData, B)]

Attributes

Inherited from:
IterableOps
def zipAll[A1 >: MetaData, B](that: Iterable[B], thisElem: A1, thatElem: B): Iterable[(A1, B)]

Attributes

Inherited from:
IterableOps
def zipWithIndex: Iterable[(MetaData, Int)]

Attributes

Inherited from:
IterableOps

Deprecated and Inherited methods

def ++:[B >: MetaData](that: IterableOnce[B]): Iterable[B]

Attributes

Deprecated
[Since version 2.13.0] Use ++ instead of ++: for collections of type Iterable
Inherited from:
IterableOps
final def /:[B](z: B)(op: (B, MetaData) => B): B

Attributes

Deprecated
[Since version 2.13.0] Use foldLeft instead of /:
Inherited from:
IterableOnceOps
final def :\[B](z: B)(op: (MetaData, B) => B): B

Attributes

Deprecated
[Since version 2.13.0] Use foldRight instead of :\\
Inherited from:
IterableOnceOps
def aggregate[B](z: => B)(seqop: (B, MetaData) => B, combop: (B, B) => B): B

Attributes

Deprecated
[Since version 2.13.0] `aggregate` is not relevant for sequential collections. Use `foldLeft(z)(seqop)` instead.
Inherited from:
IterableOnceOps
def companion: IterableFactory[Iterable]

Attributes

Deprecated
[Since version 2.13.0] Use iterableFactory instead
Inherited from:
IterableOps
final def copyToBuffer[B >: MetaData](dest: Buffer[B]): Unit

Attributes

Deprecated
[Since version 2.13.0] Use `dest ++= coll` instead
Inherited from:
IterableOnceOps
def hasDefiniteSize: Boolean

Attributes

Deprecated
[Since version 2.13.0] Check .knownSize instead of .hasDefiniteSize for more actionable information (see scaladoc for details)
Inherited from:
IterableOnceOps
final def repr: Iterable[MetaData]

Attributes

Deprecated
[Since version 2.13.0] Use coll instead of repr in a collection implementation, use the collection value itself from the outside
Inherited from:
IterableOps
def seq: Iterable.this.type

Attributes

Deprecated
[Since version 2.13.0] Iterable.seq always returns the iterable itself
Inherited from:
Iterable
final def toIterable: Iterable.this.type

Attributes

Deprecated
[Since version 2.13.7] toIterable is internal and will be made protected; its name is similar to `toList` or `toSeq`, but it doesn\'t copy non-immutable collections
Inherited from:
Iterable
final def toIterator: Iterator[MetaData]

Attributes

Deprecated
[Since version 2.13.0] Use .iterator instead of .toIterator
Inherited from:
IterableOnceOps
final def toStream: Stream[MetaData]

Attributes

Deprecated
[Since version 2.13.0] Use .to(LazyList) instead of .toStream
Inherited from:
IterableOnceOps
final def toTraversable: Iterable[MetaData]

Attributes

Deprecated
[Since version 2.13.0] toTraversable is internal and will be made protected; its name is similar to `toList` or `toSeq`, but it doesn\'t copy non-immutable collections
Inherited from:
IterableOps
def view(from: Int, until: Int): View[MetaData]

Attributes

Deprecated
[Since version 2.13.0] Use .view.slice(from, until) instead of .view(from, until)
Inherited from:
IterableOps
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