com.oracle.truffle.regex.tregex.nodes.dfa

Class Matchers

java.lang.Object

com.oracle.truffle.regex.tregex.nodes.dfa.Matchers

Direct Known Subclasses:

Matchers.SimpleMatchers, Matchers.UTF16Matchers, Matchers.UTF16RawMatchers, Matchers.UTF8Matchers

public abstract class Matchers
extends Object

Container for character matchers of DFA transitions, potentially specialized for a given string encoding.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Matchers.Builder
static class	Matchers.SimpleMatchers
static class	Matchers.UTF16Matchers
static class	Matchers.UTF16RawMatchers
static class	Matchers.UTF8Matchers

Method Summary

Modifier and Type	Method and Description
short	getNoMatchSuccessor()
int	match(int c) Returns the index of the transition that matches the given character c, or noMatchSuccessor.
abstract boolean	match(int i, int c) Returns true iff transition i matches c.
abstract int	size() Returns the number of transitions represented by this object.
abstract String	toString(int i) Returns a String representation of transition i.

Methods inherited from class java.lang.Object

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

Method Detail

getNoMatchSuccessor

public short getNoMatchSuccessor()

size

public abstract int size()

Returns the number of transitions represented by this object.

match

public abstract boolean match(int i,
                              int c)

Returns true iff transition i matches c.

match

public int match(int c)

Returns the index of the transition that matches the given character c, or noMatchSuccessor. For debugging purposes.

toString

public abstract String toString(int i)

Returns a String representation of transition i.