Package org.basex.query.value.item

Class Str

java.lang.Object

org.basex.query.expr.ExprInfo

org.basex.query.expr.Expr

org.basex.query.value.Value

org.basex.query.value.item.Item

org.basex.query.value.item.AStr

org.basex.query.value.item.Str

All Implemented Interfaces:

Iterable<Item>

public final class Str
extends AStr

String item (xs:string, xs:normalizedString, xs:language, etc.).

Author:

BaseX Team 2005-21, BSD License, Christian Gruen

Field Summary

Fields

Modifier and Type	Field	Description
static final Str	EMPTY	Zero-length string.

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

UNDEF

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

type

Constructor Summary

Constructors

Constructor	Description
Str(byte[] value, AtomType type)	Constructor.

Method Summary

Modifier and Type	Method	Description
static Str	get(byte[] value)	Returns an instance of this class.
static Str	get(Object value, QueryContext qc, InputInfo inf)	Returns a string representation of the specified value.
static Str	get(String value)	Returns an instance of this class.
Expr	simplifyFor(CompileContext.Simplify mode, CompileContext cc)	This function is called at compile time for expressions whose operands might be simplified.
byte[]	string()	Returns the string value.
byte[]	string(InputInfo ii)	Returns a string representation of the value.
String	toJava()	Returns a Java representation of the value.

Methods inherited from class org.basex.query.value.item.AStr

bool, comparable, diff, eq, equals, plan, sameKey

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

atomItem, atomSize, atomValue, cache, dbl, ddo, dec, description, ebv, equiv, flt, hash, input, instanceOf, item, itemAt, iter, itr, materialize, persistent, plan, refineType, reverse, score, seqType, size, subsequence, test, typeId, xdmInfo

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

accept, checkUp, compile, copy, count, exprSize, has, inline, inlineable, isEmpty, isItem, iter, iterator, materialize, serialize, serialize, serialize, value

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

arg, args, atomIter, data, data, funcType, hasFreeVars, indexAccessible, isSimple, markTailCalls, mergeEbv, optimize, typeCheck, uses, vacuous, visitAll

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

toErrorString, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Details

EMPTY

public static final Str EMPTY

Zero-length string.

Constructor Details

Str

public Str(byte[] value,
 AtomType type)

Constructor.

Parameters:

value - value

type - item type

Method Details

get

public static Str get(byte[] value)

Returns an instance of this class.

Parameters:

value - value

Returns:

instance

get

public static Str get(String value)

Returns an instance of this class.

Parameters:

value - string

Returns:

instance

get

public static Str get(Object value,
 QueryContext qc,
 InputInfo inf)
               throws QueryException

Returns a string representation of the specified value.

Parameters:

value - object (will be converted to token)

qc - query context

inf - input info

Returns:

instance

Throws:

QueryException - query exception

string

public byte[] string(InputInfo ii)

Description copied from class: Item

Returns a string representation of the value.

Specified by:

string in class Item

Parameters:

ii - input info (can be null)

Returns:

string value

string

public byte[] string()

Returns the string value.

Returns:

string value

simplifyFor

public Expr simplifyFor(CompileContext.Simplify mode,
 CompileContext cc)

Description copied from class: Expr

This function is called at compile time for expressions whose operands might be simplified.

Overrides:

simplifyFor in class Expr

Parameters:

mode - mode of simplification

cc - compilation context

Returns:

simplified or original expression

See Also:

• CompileContext.Simplify

toJava

public String toJava()

Description copied from class: Value

Returns a Java representation of the value.

Specified by:

toJava in class Value

Returns:

Java object