com.oracle.truffle.regex.tregex.string

Class Encodings.Encoding.UTF16

java.lang.Object

com.oracle.truffle.regex.tregex.string.Encodings.Encoding

com.oracle.truffle.regex.tregex.string.Encodings.Encoding.UTF16

Enclosing class:

Encodings.Encoding

public static final class Encodings.Encoding.UTF16
extends Encodings.Encoding

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.truffle.regex.tregex.string.Encodings.Encoding

Encodings.Encoding.Latin1, Encodings.Encoding.UTF16, Encodings.Encoding.UTF16Raw, Encodings.Encoding.UTF32, Encodings.Encoding.UTF8

Method Summary

Modifier and Type	Method and Description
void	createMatcher(Matchers.Builder matchersBuilder, int i, CodePointSet cps, CompilationBuffer compilationBuffer)
Matchers.Builder	createMatchersBuilder()
StringBufferUTF16	createStringBuffer(int capacity)
DFAStateNode.LoopOptimizationNode	extractLoopOptNode(CodePointSet cps)
int	getEncodedSize(int codepoint)
CodePointSet	getFullSet()
int	getMaxValue()
String	getName()
int	getNumberOfDecodingSteps()
boolean	isFixedCodePointWidth(CodePointSet set) Returns true iff the given code point set may not match a variable amount of chars in an UTF-16 encoded string, i.e.
static boolean	isHighSurrogate(int c)
static boolean	isHighSurrogate(int c, boolean forward)
static boolean	isLowSurrogate(int c)
static boolean	isLowSurrogate(int c, boolean forward)
Matchers	toMatchers(Matchers.Builder matchersBuilder)

Methods inherited from class com.oracle.truffle.regex.tregex.string.Encodings.Encoding

getMinValue

Methods inherited from class java.lang.Object

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

Method Detail

getName

public String getName()

Specified by:

getName in class Encodings.Encoding

getMaxValue

public int getMaxValue()

Specified by:

getMaxValue in class Encodings.Encoding

getFullSet

public CodePointSet getFullSet()

Specified by:

getFullSet in class Encodings.Encoding

getEncodedSize

public int getEncodedSize(int codepoint)

Specified by:

getEncodedSize in class Encodings.Encoding

isFixedCodePointWidth

public boolean isFixedCodePointWidth(CodePointSet set)

Returns true iff the given code point set may not match a variable amount of chars in an UTF-16 encoded string, i.e. the set is bounded by exactly one of the following ranges:

 [0x0     - 0xffff  ] (one char)
 [0x10000 - 0x10ffff] (two chars)
 

Specified by:

isFixedCodePointWidth in class Encodings.Encoding

See Also:

Constants.BMP_RANGE, Constants.ASTRAL_SYMBOLS

extractLoopOptNode

public DFAStateNode.LoopOptimizationNode extractLoopOptNode(CodePointSet cps)

Specified by:

extractLoopOptNode in class Encodings.Encoding

isHighSurrogate

public static boolean isHighSurrogate(int c,
                                      boolean forward)

isLowSurrogate

public static boolean isLowSurrogate(int c,
                                     boolean forward)

isHighSurrogate

public static boolean isHighSurrogate(int c)

isLowSurrogate

public static boolean isLowSurrogate(int c)

createStringBuffer

public StringBufferUTF16 createStringBuffer(int capacity)

Specified by:

createStringBuffer in class Encodings.Encoding

getNumberOfDecodingSteps

public int getNumberOfDecodingSteps()

Specified by:

getNumberOfDecodingSteps in class Encodings.Encoding

createMatchersBuilder

public Matchers.Builder createMatchersBuilder()

Overrides:

createMatchersBuilder in class Encodings.Encoding

createMatcher

public void createMatcher(Matchers.Builder matchersBuilder,
                          int i,
                          CodePointSet cps,
                          CompilationBuffer compilationBuffer)

Specified by:

createMatcher in class Encodings.Encoding

toMatchers

public Matchers toMatchers(Matchers.Builder matchersBuilder)

Specified by:

toMatchers in class Encodings.Encoding