International Components for Unicode for Java (icu4j) 74.2 · com.ibm.icu.text.UnicodeFilter

Access	Constructor and Description
protected	UnicodeFilter() Deprecated This API is ICU internal only. (This should not be here; it is declared to make CheckTags happy.

Method Summary

Modifier and Type Method and Description

Modifier and Type	Method and Description
public abstract boolean	contains(int c) Returns `true` for characters that are in the selected subset.
public int	matches(Replaceable the text to be matched text, int[] on input, the index into text at which to begin matching. On output, the limit of the matched text. The number of matched characters is the output value of offset minus the input value. Offset should always point to the HIGH SURROGATE (leading code unit) of a pair of surrogates, both on entry and upon return. offset, int the limit index of text to be matched. Greater than offset for a forward direction match, less than offset for a backward direction match. The last character to be considered for matching will be text.charAt(limit-1) in the forward direction or text.charAt(limit+1) in the backward direction. limit, boolean if true, then assume further characters may be inserted at limit and check for partial matching. Otherwise assume the text as given is complete. incremental) Implements com.ibm.icu.text.UnicodeMatcher.matches. Default implementation of UnicodeMatcher::matches() for Unicode filters.

public abstract boolean

contains(int c)

Returns true for characters that are in the selected subset.

public int

matches(Replaceable

the text to be matched

text, int[]

on input, the index into text at which to begin matching. On output, the limit of the matched text. The number of matched characters is the output value of offset minus the input value. Offset should always point to the HIGH SURROGATE (leading code unit) of a pair of surrogates, both on entry and upon return.

offset, int

the limit index of text to be matched. Greater than offset for a forward direction match, less than offset for a backward direction match. The last character to be considered for matching will be text.charAt(limit-1) in the forward direction or text.charAt(limit+1) in the backward direction.

limit, boolean

if true, then assume further characters may be inserted at limit and check for partial matching. Otherwise assume the text as given is complete.

incremental)

Implements com.ibm.icu.text.UnicodeMatcher.matches.

Default implementation of UnicodeMatcher::matches() for Unicode filters.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

UnicodeFilter	back to summary
protected UnicodeFilter() Deprecated This API is ICU internal only. (This should not be here; it is declared to make CheckTags happy. Java inserts a synthetic constructor and CheckTags can't tell that it's synthetic.) Annotations @Deprecated ICU Status Internal ICU component.

Method Detail

contains back to summary

contains	back to summary
public abstract boolean contains(int c) Returns `true` for characters that are in the selected subset. In other words, if a character is to be filtered, then `contains()` returns `false`. ICU Status Stable since ICU 2.0.

public abstract boolean contains(int c)

Returns true for characters that are in the selected subset. In other words, if a character is to be filtered, then contains() returns false.

ICU Status: Stable since ICU 2.0.

matches	back to summary
public int matches(Replaceable text, int[] offset, int limit, boolean incremental) Implements com.ibm.icu.text.UnicodeMatcher.matches. Default implementation of UnicodeMatcher::matches() for Unicode filters. Matches a single 16-bit code unit at offset. Parameters text:Replaceable Doc from com.ibm.icu.text.UnicodeMatcher.matches. the text to be matched offset:int[] Doc from com.ibm.icu.text.UnicodeMatcher.matches. on input, the index into text at which to begin matching. On output, the limit of the matched text. The number of matched characters is the output value of offset minus the input value. Offset should always point to the HIGH SURROGATE (leading code unit) of a pair of surrogates, both on entry and upon return. limit:int Doc from com.ibm.icu.text.UnicodeMatcher.matches. the limit index of text to be matched. Greater than offset for a forward direction match, less than offset for a backward direction match. The last character to be considered for matching will be text.charAt(limit-1) in the forward direction or text.charAt(limit+1) in the backward direction. incremental:boolean Doc from com.ibm.icu.text.UnicodeMatcher.matches. if true, then assume further characters may be inserted at limit and check for partial matching. Otherwise assume the text as given is complete. Returns:int Doc from com.ibm.icu.text.UnicodeMatcher.matches. a match degree value indicating a full match, a partial match, or a mismatch. If incremental is false then U_PARTIAL_MATCH should never be returned. Annotations @Override ICU Status Stable since ICU 2.0.

matches

back to summary

public int matches(Replaceable text, int[] offset, int limit, boolean incremental)

Implements com.ibm.icu.text.UnicodeMatcher.matches.

Default implementation of UnicodeMatcher::matches() for Unicode filters. Matches a single 16-bit code unit at offset.

Parameters

text:Replaceable

Doc from com.ibm.icu.text.UnicodeMatcher.matches.

the text to be matched

offset:int[]

Doc from com.ibm.icu.text.UnicodeMatcher.matches.

limit:int