com.oracle.truffle.regex.tregex.parser.flavors

Class RubyCaseFolding

java.lang.Object

com.oracle.truffle.regex.tregex.parser.flavors.RubyCaseFolding

public class RubyCaseFolding
extends Object

Constructor Summary

Constructors

Constructor and Description
RubyCaseFolding()

Method Summary

Modifier and Type	Method and Description
static String	caseFoldUnfoldString(int[] codepoints, CodePointSet encodingRange)
static String	caseFoldUnfoldString(int[] codepoints, CodePointSet encodingRange, boolean dropAsciiOnStart) Generates a String that matches all case variants of the input string.

Methods inherited from class java.lang.Object

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

Constructor Detail

RubyCaseFolding

public RubyCaseFolding()

Method Detail

caseFoldUnfoldString

public static String caseFoldUnfoldString(int[] codepoints,
                                          CodePointSet encodingRange)

caseFoldUnfoldString

public static String caseFoldUnfoldString(int[] codepoints,
                                          CodePointSet encodingRange,
                                          boolean dropAsciiOnStart)

Generates a String that matches all case variants of the input string.

Parameters:

codepoints - the input string as an array of Unicode codepoints

dropAsciiOnStart - whether we should forbid ASCII characters on the first positions of the variants

Returns:

a parenthesized ECMAScript regex that can be spliced into the regex generated by RubyFlavorProcessor