Class UnicodeProperties

java.lang.Object

jflex.core.unicode.UnicodeProperties

public class UnicodeProperties
extends Object

Unicode properties that can be bound to a specific Unicode version.

Supported unicode versions are defined in UNICODE_VERSIONS.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	UnicodeProperties.UnsupportedUnicodeVersionException

Field Summary

Fields

Modifier and Type	Field	Description
static final String	UNICODE_VERSIONS	Human-readable list of all supported Unicode versions.

Constructor Summary

Constructors

Constructor	Description
UnicodeProperties()	Unpacks the Unicode data corresponding to the default Unicode version.
UnicodeProperties(String version)	Unpacks the Unicode data corresponding to the given version.

Method Summary

Modifier and Type	Method	Description
IntCharSet	getCaselessMatches(int c)	Returns a set of character intervals representing all characters that are case-insensitively equivalent to the given character, including the given character itself.
IntCharSet	getIntCharSet(String propertyValue)	Returns the character interval set associated with the given property value for the selected Unicode version.
int	getMaximumCodePoint()	Returns the maximum code point for the selected Unicode version.
Set<String>	getPropertyValues()	Returns the set of all properties, property values, and their aliases supported by the specified Unicode version.

Methods inherited from class Object

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

Field Details

UNICODE_VERSIONS

public static final String UNICODE_VERSIONS

Human-readable list of all supported Unicode versions.

See Also:

• Constant Field Values

Constructor Details

UnicodeProperties

public UnicodeProperties()
                  throws UnicodeProperties.UnsupportedUnicodeVersionException

Unpacks the Unicode data corresponding to the default Unicode version.

Throws:

UnicodeProperties.UnsupportedUnicodeVersionException - if the default version is not supported.

UnicodeProperties

public UnicodeProperties(String version)
                  throws UnicodeProperties.UnsupportedUnicodeVersionException

Unpacks the Unicode data corresponding to the given version.

Parameters:

version - The Unicode version for which to unpack data

Throws:

UnicodeProperties.UnsupportedUnicodeVersionException - if the given version is not supported.

Method Details

getMaximumCodePoint

public int getMaximumCodePoint()

Returns the maximum code point for the selected Unicode version.

Returns:

the maximum code point for the selected Unicode version.

getIntCharSet

public IntCharSet getIntCharSet(String propertyValue)

Returns the character interval set associated with the given property value for the selected Unicode version.

Parameters:

propertyValue - The Unicode property or property value (or alias for one of these) for which to return the corresponding character intervals.

Returns:

The character interval set corresponding to the given property value, if a match exists, and null otherwise.

getPropertyValues

public Set<String> getPropertyValues()

Returns the set of all properties, property values, and their aliases supported by the specified Unicode version.

Returns:

The set of all properties supported by the specified Unicode version

getCaselessMatches

public IntCharSet getCaselessMatches(int c)

Returns a set of character intervals representing all characters that are case-insensitively equivalent to the given character, including the given character itself.

The first call to this method lazily initializes the backing data.

Parameters:

c - The character for which to return case-insensitive equivalents.

Returns:

All case-insensitively equivalent characters, or null if the given character is case-insensitively equivalent only to itself.