prettify.parser

Class CombinePrefixPattern

java.lang.Object

prettify.parser.CombinePrefixPattern

public class CombinePrefixPattern
extends Object

This is similar to the combinePrefixPattern.js in JavaScript Prettify. All comments are adapted from the JavaScript Prettify.

Author:

mikesamuel@gmail.com

Field Summary

Fields

Modifier and Type	Field and Description
protected int	capturedGroupIndex
protected static Map<Character,Integer>	escapeCharToCodeUnit
protected boolean	needToFoldCase

Constructor Summary

Constructors

Constructor and Description
CombinePrefixPattern()

Method Summary

Modifier and Type	Method and Description
protected String	allowAnywhereFoldCaseAndRenumberGroups(Pattern regex)
protected static String	caseFoldCharset(String charSet)
Pattern	combinePrefixPattern(List<Pattern> regexs) Given a group of Patterns, returns a RegExp that globally matches the union of the sets of strings matched by the input RegExp.
protected static int	decodeEscape(String charsetPart)
protected static String	encodeEscape(int charCode)

Methods inherited from class java.lang.Object

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

Field Detail

capturedGroupIndex

protected int capturedGroupIndex

needToFoldCase

protected boolean needToFoldCase

escapeCharToCodeUnit

protected static final Map<Character,Integer> escapeCharToCodeUnit

Constructor Detail

CombinePrefixPattern

public CombinePrefixPattern()

Method Detail

combinePrefixPattern

public Pattern combinePrefixPattern(List<Pattern> regexs)
                             throws Exception

Given a group of Patterns, returns a RegExp that globally matches the union of the sets of strings matched by the input RegExp. Since it matches globally, if the input strings have a start-of-input anchor (/^.../), it is ignored for the purposes of unioning.

Parameters:

regexs - non multiline, non-global regexs.

Returns:

Pattern a global regex.

Throws:

Exception

decodeEscape

protected static int decodeEscape(String charsetPart)

encodeEscape

protected static String encodeEscape(int charCode)

caseFoldCharset

protected static String caseFoldCharset(String charSet)

allowAnywhereFoldCaseAndRenumberGroups

protected String allowAnywhereFoldCaseAndRenumberGroups(Pattern regex)