Package com.ibm.icu.text

Class Quantifier

java.lang.Object

com.ibm.icu.text.Quantifier

All Implemented Interfaces:

UnicodeMatcher

class Quantifier
extends Object
implements UnicodeMatcher

Field Summary

Fields

Modifier and Type	Field	Description
private UnicodeMatcher	matcher
static final int	MAX	Maximum count a quantifier can have.
private int	maxCount
private int	minCount

Fields inherited from interface com.ibm.icu.text.UnicodeMatcher

ETHER, U_MATCH, U_MISMATCH, U_PARTIAL_MATCH

Constructor Summary

Constructors

Constructor	Description
Quantifier(UnicodeMatcher theMatcher, int theMinCount, int theMaxCount)

Method Summary

Modifier and Type	Method	Description
void	addMatchSetTo(UnicodeSet toUnionTo)	Implementation of UnicodeMatcher API.
int	matches(Replaceable text, int[] offset, int limit, boolean incremental)	Implement UnicodeMatcher API.
boolean	matchesIndexValue(int v)	Implement UnicodeMatcher API
String	toPattern(boolean escapeUnprintable)	Implement UnicodeMatcher API

Methods inherited from class java.lang.Object

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

Field Details

matcher

private UnicodeMatcher matcher

minCount

private int minCount

maxCount

private int maxCount

MAX

public static final int MAX

Maximum count a quantifier can have.

See Also:

• Constant Field Values

Constructor Details

Quantifier

public Quantifier(UnicodeMatcher theMatcher,
 int theMinCount,
 int theMaxCount)

Method Details

matches

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

Implement UnicodeMatcher API.

Specified by:

matches in interface UnicodeMatcher

Parameters:

text - the text to be matched

offset - 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 - 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 - 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:

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.

toPattern

public String toPattern(boolean escapeUnprintable)

Implement UnicodeMatcher API

Specified by:

toPattern in interface UnicodeMatcher

Parameters:

escapeUnprintable - if true then convert unprintable character to their hex escape representations, \\uxxxx or \\Uxxxxxxxx. Unprintable characters are those other than U+000A, U+0020..U+007E.

matchesIndexValue

public boolean matchesIndexValue(int v)

Implement UnicodeMatcher API

Specified by:

matchesIndexValue in interface UnicodeMatcher

addMatchSetTo

public void addMatchSetTo(UnicodeSet toUnionTo)

Implementation of UnicodeMatcher API. Union the set of all characters that may be matched by this object into the given set.

Specified by:

addMatchSetTo in interface UnicodeMatcher

Parameters:

toUnionTo - the set into which to union the source characters