fr.umlv.tatoo.cc.lexer.regex
Class RegexFactory

java.lang.Object
  fr.umlv.tatoo.cc.lexer.regex.RegexFactory

public class RegexFactory
extends Object

Author:

Julien

Constructor Summary

RegexFactory()

Method Summary

static Regex	atLeast(int num, Regex child)
static Regex	cat(Regex left, Regex right)
static Regex	characterSequence(CharSequence s, boolean ignoreCase, Encoding encoding)
static Regex	clone(Regex root)
static RegexIntervalTable	createDollarRegexTable(Encoding encoding) Build the table which tests wether end of line follows.
static Regex	createSet(boolean negate, List<CharacterInterval> intervals, Encoding encoding)
static Regex	interval(char from, char to, Encoding encoding)
static Regex	leaf(List<CharacterInterval> intervalList, boolean negate, Encoding encoding)
static Regex	letter(char c, Encoding encoding)
static Regex	letterIgnoreCase(char letter, Encoding encoding)
static RegexIntervalTable	makeTable(Set<Leaf> first, MultiMap<Leaf,Leaf> transitions, Leaf acceptPosition, Encoding encoding)
static Regex	optional(Regex child)
static Regex	or(Regex left, Regex right)
static Regex	plus(Regex child)
static Regex	range(int from, int to, Regex child)
static Regex	star(Regex child)
static RegexIntervalTable	table(Regex rootNode, Encoding encoding)
static Regex	times(int num, Regex child)

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexFactory

public RegexFactory()

Method Detail

createSet

public static Regex createSet(boolean negate,
                              List<CharacterInterval> intervals,
                              Encoding encoding)

star

public static Regex star(Regex child)

plus

public static Regex plus(Regex child)

optional

public static Regex optional(Regex child)

range

public static Regex range(int from,
                          int to,
                          Regex child)

times

public static Regex times(int num,
                          Regex child)

atLeast

public static Regex atLeast(int num,
                            Regex child)

cat

public static Regex cat(Regex left,
                        Regex right)

or

public static Regex or(Regex left,
                       Regex right)

leaf

public static Regex leaf(List<CharacterInterval> intervalList,
                         boolean negate,
                         Encoding encoding)

letter

public static Regex letter(char c,
                           Encoding encoding)

letterIgnoreCase

public static Regex letterIgnoreCase(char letter,
                                     Encoding encoding)

characterSequence

public static Regex characterSequence(CharSequence s,
                                      boolean ignoreCase,
                                      Encoding encoding)

table

public static RegexIntervalTable table(Regex rootNode,
                                       Encoding encoding)

clone

public static Regex clone(Regex root)

makeTable

public static RegexIntervalTable makeTable(Set<Leaf> first,
                                           MultiMap<Leaf,Leaf> transitions,
                                           Leaf acceptPosition,
                                           Encoding encoding)

createDollarRegexTable

public static RegexIntervalTable createDollarRegexTable(Encoding encoding)

Build the table which tests wether end of line follows. It does not recognize the whole end of line but only the beginning

Returns:

the table which tests wether end of line follows

interval

public static Regex interval(char from,
                             char to,
                             Encoding encoding)