Class IterCollationIterator

java.lang.Object

org.graalvm.shadowed.com.ibm.icu.impl.coll.CollationIterator

org.graalvm.shadowed.com.ibm.icu.impl.coll.IterCollationIterator

Direct Known Subclasses:

FCDIterCollationIterator

public class IterCollationIterator
extends CollationIterator

UCharIterator-based collation element and character iterator. Handles normalized text, with length or NUL-terminated. Unnormalized text is handled by a subclass.

Field Summary

Fields

Modifier and Type	Field	Description
protected UCharacterIterator	iter

Fields inherited from class CollationIterator

data, NO_CP_AND_CE32, trie

Constructor Summary

Constructors

Constructor	Description
IterCollationIterator(CollationData d, boolean numeric, UCharacterIterator ui)

Method Summary

Modifier and Type	Method	Description
protected void	backwardNumCodePoints(int num)
protected void	forwardNumCodePoints(int num)
int	getOffset()
protected char	handleGetTrailSurrogate()	Called when handleNextCE32() returns a LEAD_SURROGATE_TAG for a lead surrogate code unit.
protected long	handleNextCE32()	Returns the next code point and its local CE32 value.
int	nextCodePoint()	Returns the next code point (with post-increment).
int	previousCodePoint()	Returns the previous code point (with pre-decrement).
void	resetToOffset(int newOffset)	Resets the iterator state and sets the position to the specified offset.

Methods inherited from class CollationIterator

appendCEsFromCE32, clearCEsIfNoneRemaining, equals, fetchCEs, forbidSurrogateCodePoints, getCE, getCE32FromBuilderData, getCEs, getCEsLength, getDataCE32, hashCode, isLeadSurrogate, isTrailSurrogate, makeCodePointAndCE32Pair, nextCE, previousCE, reset, reset

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Details

iter

protected UCharacterIterator iter

Constructor Details

IterCollationIterator

public IterCollationIterator(CollationData d,
 boolean numeric,
 UCharacterIterator ui)

Method Details

resetToOffset

public void resetToOffset(int newOffset)

Description copied from class: CollationIterator

Resets the iterator state and sets the position to the specified offset. Subclasses must implement, and must call the parent class method, or CollationIterator.reset().

Specified by:

resetToOffset in class CollationIterator

getOffset

public int getOffset()

Specified by:

getOffset in class CollationIterator

nextCodePoint

public int nextCodePoint()

Description copied from class: CollationIterator

Returns the next code point (with post-increment). Public for identical-level comparison and for testing.

Specified by:

nextCodePoint in class CollationIterator

previousCodePoint

public int previousCodePoint()

Description copied from class: CollationIterator

Returns the previous code point (with pre-decrement). Public for identical-level comparison and for testing.

Specified by:

previousCodePoint in class CollationIterator

handleNextCE32

protected long handleNextCE32()

Description copied from class: CollationIterator

Returns the next code point and its local CE32 value. Returns Collation.FALLBACK_CE32 at the end of the text (cinvalid input: '<'0) or when c's CE32 value is to be looked up in the base data (fallback). The code point is used for fallbacks, context and implicit weights. It is ignored when the returned CE32 is not special (e.g., FFFD_CE32). Returns the code point in bits 63..32 (signed) and the CE32 in bits 31..0.

Overrides:

handleNextCE32 in class CollationIterator

handleGetTrailSurrogate

protected char handleGetTrailSurrogate()

Description copied from class: CollationIterator

Called when handleNextCE32() returns a LEAD_SURROGATE_TAG for a lead surrogate code unit. Returns the trail surrogate in that case and advances past it, if a trail surrogate follows the lead surrogate. Otherwise returns any other code unit and does not advance.

Overrides:

handleGetTrailSurrogate in class CollationIterator

forwardNumCodePoints

protected void forwardNumCodePoints(int num)

Specified by:

forwardNumCodePoints in class CollationIterator

backwardNumCodePoints

protected void backwardNumCodePoints(int num)

Specified by:

backwardNumCodePoints in class CollationIterator