org.basex.query.item

Class StrStream

java.lang.Object

org.basex.data.ExprInfo

org.basex.query.expr.Expr

org.basex.query.item.Value

org.basex.query.item.Item

org.basex.query.item.StrStream

All Implemented Interfaces:

java.lang.Iterable<Item>, Streamable

public final class StrStream
extends Item
implements Streamable

Streamable string item.

Author:

BaseX Team 2005-12, BSD License, Christian Gruen

Nested Class Summary

Nested classes/interfaces inherited from class org.basex.query.expr.Expr

Expr.Use

Field Summary

Fields inherited from class org.basex.query.item.Item

UNDEF

Fields inherited from class org.basex.query.item.Value

type

Constructor Summary

Constructors

Constructor and Description
StrStream(IO io, java.lang.String enc, Err err) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	bool(InputInfo ii) Returns a boolean representation of the value.
int	diff(InputInfo ii, Item it) Returns the difference between the current and the specified item.
boolean	eq(InputInfo ii, Item it) Checks the items for equality.
NewlineInput	input(InputInfo ii) Returns an input stream.
byte[]	string(InputInfo ii) Returns a string representation of the value.
java.lang.String	toJava() Returns a Java representation of the value.
java.lang.String	toString()

Methods inherited from class org.basex.query.item.Item

comparable, dbl, dec, ebv, equiv, flt, hash, homogenous, isItem, item, itemAt, iter, iterable, itr, plan, score, score, serialize, size, test, type, writeTo, xdmInfo

Methods inherited from class org.basex.query.item.Value

cache, comp, count, data, description, info, isValue, iter, iterator, removable, remove, uses, value

Methods inherited from class org.basex.query.expr.Expr

addText, compEbv, hasFreeVars, indexAccessible, indexEquivalent, isEmpty, isFunction, isVacuous, markTailCalls, sameAs

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

StrStream

public StrStream(IO io,
         java.lang.String enc,
         Err err)

Constructor.

Parameters:

io - input

enc - encoding (may be null)

err - error message to be thrown

Method Detail

string

public byte[] string(InputInfo ii)
              throws QueryException

Description copied from class: Item

Returns a string representation of the value.

Specified by:

string in class Item

Parameters:

ii - input info, use null if none is available

Returns:

string value

Throws:

QueryException - if the item can't be atomized

bool

public boolean bool(InputInfo ii)
             throws QueryException

Description copied from class: Item

Returns a boolean representation of the value.

Overrides:

bool in class Item

Parameters:

ii - input info

Returns:

boolean value

Throws:

QueryException - query exception

eq

public boolean eq(InputInfo ii,
         Item it)
           throws QueryException

Description copied from class: Item

Checks the items for equality.

Specified by:

eq in class Item

Parameters:

ii - input info

it - item to be compared

Returns:

result of check

Throws:

QueryException - query exception

diff

public int diff(InputInfo ii,
       Item it)
         throws QueryException

Description copied from class: Item

Returns the difference between the current and the specified item.

Overrides:

diff in class Item

Parameters:

ii - input info

it - item to be compared

Returns:

difference

Throws:

QueryException - query exception

toJava

public java.lang.String toJava()
                        throws QueryException

Description copied from class: Value

Returns a Java representation of the value.

Specified by:

toJava in class Value

Returns:

Java object

Throws:

QueryException - query exception

input

public NewlineInput input(InputInfo ii)
                   throws QueryException

Description copied from class: Item

Returns an input stream.

Specified by:

input in interface Streamable

Overrides:

input in class Item

Parameters:

ii - input info

Returns:

input stream

Throws:

QueryException - query exception

toString

public java.lang.String toString()

Specified by:

toString in class ExprInfo