public class FilteredNormalizer2 extends Normalizer2
Normalizer2.Mode
Constructor and Description |
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FilteredNormalizer2(Normalizer2 n2,
UnicodeSet filterSet)
Constructs a filtered normalizer wrapping any Normalizer2 instance
and a filter set.
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Modifier and Type | Method and Description |
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StringBuilder |
append(StringBuilder first,
CharSequence second)
Appends the second string to the first string
(merging them at the boundary) and returns the first string.
|
boolean |
hasBoundaryAfter(int c)
Tests if the character always has a normalization boundary after it,
regardless of context.
|
boolean |
hasBoundaryBefore(int c)
Tests if the character always has a normalization boundary before it,
regardless of context.
|
boolean |
isInert(int c)
Tests if the character is normalization-inert.
|
boolean |
isNormalized(CharSequence s)
Tests if the string is normalized.
|
Appendable |
normalize(CharSequence src,
Appendable dest)
Writes the normalized form of the source string to the destination Appendable
and returns the destination Appendable.
|
StringBuilder |
normalize(CharSequence src,
StringBuilder dest)
Writes the normalized form of the source string to the destination string
(replacing its contents) and returns the destination string.
|
StringBuilder |
normalizeSecondAndAppend(StringBuilder first,
CharSequence second)
Appends the normalized form of the second string to the first string
(merging them at the boundary) and returns the first string.
|
Normalizer.QuickCheckResult |
quickCheck(CharSequence s)
Tests if the string is normalized.
|
int |
spanQuickCheckYes(CharSequence s)
Returns the end of the normalized substring of the input string.
|
getInstance, normalize
public FilteredNormalizer2(Normalizer2 n2, UnicodeSet filterSet)
n2
- wrapped Normalizer2 instancefilterSet
- UnicodeSet which determines the characters to be normalizedpublic StringBuilder normalize(CharSequence src, StringBuilder dest)
normalize
in class Normalizer2
src
- source stringdest
- destination string; its contents is replaced with normalized srcpublic Appendable normalize(CharSequence src, Appendable dest)
normalize
in class Normalizer2
src
- source stringdest
- destination Appendable; gets normalized src appendedpublic StringBuilder normalizeSecondAndAppend(StringBuilder first, CharSequence second)
normalizeSecondAndAppend
in class Normalizer2
first
- string, should be normalizedsecond
- string, will be normalizedpublic StringBuilder append(StringBuilder first, CharSequence second)
append
in class Normalizer2
first
- string, should be normalizedsecond
- string, should be normalizedpublic boolean isNormalized(CharSequence s)
isNormalized
in class Normalizer2
s
- input stringpublic Normalizer.QuickCheckResult quickCheck(CharSequence s)
quickCheck
in class Normalizer2
s
- input stringpublic int spanQuickCheckYes(CharSequence s)
end=spanQuickCheckYes(s);
the substring s.subSequence(0, end)
will pass the quick check with a "yes" result.
The returned end index is usually one or more characters before the "no" or "maybe" character: The end index is at a normalization boundary. (See the class documentation for more about normalization boundaries.)
When the goal is a normalized string and most input strings are expected to be normalized already, then call this method, and if it returns a prefix shorter than the input string, copy that prefix and use normalizeSecondAndAppend() for the remainder.
spanQuickCheckYes
in class Normalizer2
s
- input stringpublic boolean hasBoundaryBefore(int c)
hasBoundaryBefore
in class Normalizer2
c
- character to testpublic boolean hasBoundaryAfter(int c)
Note that this operation may be significantly slower than hasBoundaryBefore().
hasBoundaryAfter
in class Normalizer2
c
- character to testpublic boolean isInert(int c)
Note that this operation may be significantly slower than hasBoundaryBefore().
isInert
in class Normalizer2
c
- character to testCopyright (c) 2011 IBM Corporation and others.