monq.jfa

Class ReClassicParser

java.lang.Object

monq.jfa.ReClassicParser

All Implemented Interfaces:

ReParser

public class ReClassicParser
extends java.lang.Object
implements ReParser

implements the regular expression syntax classically used by monq.jfa. To use the classic syntax in your application, call Nfa.setDefaultParserFactory() with factory.

Field Summary

Fields

Modifier and Type	Field and Description
static ReParserFactory	factory is a factory object that creates instances of ReClassicParser.

Method Summary

Modifier and Type	Method and Description
void	escape(java.lang.StringBuilder out, java.lang.CharSequence cin, int startAt) starting with the character at startAt the given CharSequence is copied to out while all characters with special meaning for this parser are suitably escaped.
void	parse(NfaParserView nfa, java.lang.CharSequence s) parses regex while building up the automaton in nfa.
java.lang.String	specialChars() provides all characters that have a special meaning for this parser

Methods inherited from class java.lang.Object

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

Field Detail

factory

public static final ReParserFactory factory

is a factory object that creates instances of ReClassicParser.

See Also:

Nfa.defaultParserFactory

Method Detail

parse

public void parse(NfaParserView nfa,
                  java.lang.CharSequence s)
           throws ReSyntaxException

Description copied from interface: ReParser

parses regex while building up the automaton in nfa. This method is solely used by Nfa and only Nfa knows how to provide an implementation of NfaParserView. This method must be implemented by alternative implementations of ReParser but is not intended to be called directly.

Specified by:

parse in interface ReParser

Throws:

ReSyntaxException

specialChars

public java.lang.String specialChars()

Description copied from interface: ReParser

provides all characters that have a special meaning for this parser

Specified by:

specialChars in interface ReParser

escape

public void escape(java.lang.StringBuilder out,
                   java.lang.CharSequence cin,
                   int startAt)

Description copied from interface: ReParser

starting with the character at startAt the given CharSequence is copied to out while all characters with special meaning for this parser are suitably escaped. The result can be used as a regular expression that matches exactly the input sequence.

Specified by:

escape in interface ReParser