EDIT

/**

* Copyright (C) 2009 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.strategy.parser;

import java.util.regex.Pattern;

import org.apache.log4j.Logger;

import eu.etaxonomy.cdm.common.UTF8;

/**

 * This class is a base class that separates regex parts of the parser from methods

 * @author a.mueller

 *

 */

public abstract class NonViralNameParserImplRegExBase  {

	@SuppressWarnings("unused")

	private static final Logger logger = Logger.getLogger(NonViralNameParserImplRegExBase.class);

	// good intro: http://java.sun.com/docs/books/tutorial/essential/regex/index.html

    //splitter

    protected static String epiSplitter = "(\\s+|\\(|\\))"; //( ' '+| '(' | ')' )

    protected static Pattern pattern = Pattern.compile(epiSplitter);

	public static final String hybridSign = UTF8.HYBRID.toString();  //  "\u00D7";

    //some useful non-terminals

    protected static String pStart = "^";

    protected static String end = "$";

    protected static String anyEnd = ".*" + end;

    protected static String oWs = "\\s+"; //obligatory whitespaces

    protected static String fWs = "\\s*"; //facultative whitespcace

    public static String capitalWord = "\\p{javaUpperCase}\\p{javaLowerCase}*";

    protected static String capital2LetterWord = "\\p{javaUpperCase}\\p{javaLowerCase}+";

    protected static String nonCapitalWord = "\\p{javaLowerCase}+";

    protected static String word = "(" + capitalWord + "|" + nonCapitalWord + ")"; //word (capital or non-capital) with no '.' at the end

    protected static String uppercaseWord = "\\p{javaUpperCase}{2,}";

    protected static String capitalDotWord = capitalWord + "\\.?"; //capitalWord with facultativ '.' at the end

    protected static String capital2charDotWord = "(" + capital2LetterWord + "\\.?|\\p{javaUpperCase}\\.)"; //capitalWord with facultativ '.' but minimum 2 characters (single capital word like 'L' is not allowed

    protected static String nonCapitalDotWord = nonCapitalWord + "\\.?"; //nonCapitalWord with facultativ '.' at the end

    protected static String dotWord = "(" + capitalWord + "|" + nonCapitalWord + ")\\.?"; //word (capital or non-capital) with facultativ '.' at the end

    protected static String obligateDotWord = "(" + capitalWord + "|" + nonCapitalWord + ")\\.+"; //word (capital or non-capital) with obligate '.' at the end

    //Words used in an epethiton for a TaxonName

    protected static String nonCapitalEpiWord = "[a-z\u00EF\u00EB\u00F6\\-]+";   //a-z + diaeresis for ieo

    protected static String capitalEpiWord = "[A-Z]"+ nonCapitalEpiWord;

   //years

    protected static String month = "(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)";

    protected static String singleYear = "\\b" + "(?:17|18|19|20)" + "\\d{2}" + "\\b";                      // word boundary followed by either 17,18,19, or 20 (not captured) followed by 2 digits

    protected static String yearPhrase = singleYear + "("+ fWs + "-" + fWs + singleYear + ")?" ;

    								//+ "(" + month + ")?)" ;                 // optional month

    protected static String yearSeperator = "\\." + oWs;

    protected static String detailSeparator = ":" + oWs;

    protected static String referenceSeparator1 = "," + oWs ;

    protected static String inReferenceSeparator = oWs + "in" + oWs;

    protected static String referenceSeperator = "(" + referenceSeparator1 +"|" + inReferenceSeparator + ")" ;

    protected static String referenceAuthorSeparator = ","+ oWs;

    protected static String volumeSeparator = oWs ;

    protected static String referenceEnd = "\\.";

    //status

    protected static String status = "";

    //marker

    protected static String InfraGenusMarker = "(n|notho)?(subgen\\.|subg\\.|sect\\.|subsect\\.|ser\\.|subser\\.|t\\.infgen\\.|\\[unranked\\])";

    protected static String aggrOrGroupMarker = "(aggr\\.|agg\\.|group)";

    protected static String infraSpeciesMarker = "(n|notho)?(subsp\\.|convar\\.|var\\.|subvar\\.|f\\.|subf\\.|f\\.\\ssp\\.|f\\.spec\\.|f\\.sp\\.|\\[unranked\\]|tax\\." + fWs + "infrasp\\.)";

    protected static String oldInfraSpeciesMarker = "(prol\\.|proles|race|taxon|sublusus)";

    //AuthorString

    protected static String qm = "[" + UTF8.RIGHT_SINGLE_QUOT + "']";

    protected static String authorPart = "(" + "([OdDL]"+qm+"|[’']t|ten\\s||le\\s|zur\\s)?" + "(" + capital2charDotWord + "|DC.)" + "('" + nonCapitalDotWord + ")?" + "|[vV][ao]n(\\sder)?|da|du|de(n|l|\\sla)?)" ;

    protected static String author = "(" + authorPart + "(" + fWs + "|-)" + ")+" + "(f\\.|fil\\.|secundus)?" ;

    protected static String finalTeamSplitter = "(" + fWs + "(&)" + fWs + "|" + oWs + "et" + oWs + ")";

    protected static String notFinalTeamSplitter = "(?:" + fWs + "," + fWs + "|" + finalTeamSplitter + ")";

    protected static String authorTeam = fWs + "((?>" + author + notFinalTeamSplitter + ")*" + author + finalTeamSplitter + ")?(?:"  + author + "|al\\.)" +  fWs;

    protected static String exString = "(ex\\.?)";

    protected static String authorAndExTeam = "(" + authorTeam + oWs + exString + oWs + ")?" + authorTeam;

    protected static String basStart = "\\(";

    protected static String basEnd = "\\)";

    protected static String botanicBasionymAuthor = basStart + "(" + authorAndExTeam + ")" + basEnd;  // '(' and ')' is for evaluation with RE.paren(x)

    protected static String fullBotanicAuthorString = fWs + "((" + botanicBasionymAuthor +")?" + fWs + authorAndExTeam + "|" + botanicBasionymAuthor +")"+ fWs;

    protected static String facultFullBotanicAuthorString = "(" +  fullBotanicAuthorString + ")?" ;

    //Zoo. Author

    //TODO does zoo author have ex-Author?

    protected static String zooAuthorYearSeperator = "(,|\\s)";

    protected static String zooAuthorAddidtion = fWs + zooAuthorYearSeperator + fWs + singleYear;

    protected static String zooAuthorTeam = authorTeam + zooAuthorAddidtion;

    protected static String zooBasionymAuthor = basStart + "(" + zooAuthorTeam + ")" + basEnd;

    protected static String fullZooAuthorString = fWs + "((" + zooBasionymAuthor +")?" + fWs + zooAuthorTeam + "|" + zooBasionymAuthor +")"+ fWs;

    protected static String facultFullZooAuthorString = "(" +  fullZooAuthorString + ")?" ;

    protected static String facultFullAuthorString2 = "(" + facultFullBotanicAuthorString + "|" + facultFullZooAuthorString + ")";

    protected static String basionymAuthor = "(" + botanicBasionymAuthor + "|" + zooBasionymAuthor+ ")";

    protected static String fullAuthorString = "(" + fullBotanicAuthorString + "|" + fullZooAuthorString+ ")";

    //details

    //TODO still very simple

    protected static String nr2 = "\\d{1,2}";

    protected static String nr4 = "\\d{1,4}";

    protected static String nr5 = "\\d{1,5}";

    protected static String pPage = nr5 + "[a-z]?";

    protected static String pStrNo = "n\u00B0" + fWs + "(" + nr4 + ")";

    protected static String pBracketNr = "\\[" + nr4 + "\\]";

    protected static String pFolBracket = "\\[fol\\." + fWs + "\\d{1,2}(-\\d{1,2})?\\]";

    protected static String pStrTab = "tab\\." + fWs + nr4 + "(" + fWs + "(B|\u00DF|\\(\\d{1,3}\\)))?";

    protected static String pFig = "fig\\." + fWs + nr4 + "[a-z]?";

    protected static String pFigs = pFig + "(-" + nr4 + ")?";

    //static String pTabFig = pStrTab + "(," + fWs + pFigs + ")?";

    protected static String pTabFig = "(" + pStrTab + "|" + pFigs + ")";

    //e.g.: p455; p.455; pp455-456; pp.455-456; pp.455,456; 455, 456; pages 456-457; pages 456,567

    protected static String pSinglePages = "(p\\.?)?" + fWs + pPage + "(," + pTabFig +")?";

    protected static String pMultiPages = "(pp\\.?|pages)?" + fWs + pPage + fWs + "(-|,)" +fWs + pPage ;

    //static String pPages = pPage + "(," + fWs + "(" + pPage + "|" + pTabFig + ")" + ")?";

    protected static String pPages = "(" + pSinglePages +"|" + pMultiPages +")";

    protected static String pCouv = "couv\\." + fWs + "\\d{1,3}";

    protected static String pTabSpecial = "tab\\." + fWs + "(ad" + fWs + "\\d{1,3}|alphab)";

    protected static String pPageSpecial = nr4 + fWs + "(in obs|, Expl\\. Tab)";

    protected static String pSpecialGardDict = capitalWord + oWs + "n\u00B0" + oWs + "\\d{1,2}";

    //TODO

    // protected static String pSpecialDetail = "(in err|in tab|sine pag|add\\. & emend|Emend|""\\d{3}"" \\[\\d{3}\\])";

 // protected static String pSpecialDetail = "(in err|in tab|sine pag|add\\. & emend|Emend|""\\d{3}"" \\[\\d{3}\\])";

    protected static String pSpecialDetail = "(in err|in tab|sine pag|add\\.)";

//    Const romI = "[Ii]{0,3}"

//    	Const romX = "[Xx]{0,3}"

//    	Const romC = "[Cc]{0,3}"

//    	Const romM = "[Mm]{0,3}"

//    ' roman numbers

//    ' !! includes empty string: ""

//    romOne = "([Vv]?" & romI & or_ & "(IV|iv)" & or_ & "(IX|ix)" & ")"

//    romTen = "([Ll]?" & romX & or_ & "(XL|xl)" & or_ & "(XC|xc)" & ")"

//    romHun = "([Dd]?" & romC & or_ & "(CD|cd)" & or_ & "(CM|cm)" & ")"

//    romNr = "(?=[MDCLXVImdclxvi])(((" & romM & ")?" & romHun & ")?" & romTen & ")?" & romOne

    protected static String pRomNr = "ljfweffaflas"; //TODO rom number have to be tested first

    protected static String pDetailAlternatives = "(" + pPages + "|" + pPageSpecial + "|" + pStrNo + "|" + pBracketNr +

    			"|" + pTabFig + "|" + pTabSpecial + "|" + pFolBracket + "|" + pCouv + "|" + pRomNr + "|" +

    			pSpecialGardDict + "|" + pSpecialDetail + ")";

    protected static String detail = pDetailAlternatives;

    //reference

    protected static String volume = nr4 + "[a-z]?" + "(\\("+ nr4  + "(-"+nr4+")?\\))?";

    //this line caused problem https://dev.e-taxonomy.eu/trac/ticket/1556 in its original form: "([\u005E:\\.]" + fWs + ")";

    protected static String anySepChar = "([\u005E:a-zA-Z]" + fWs + ")"; //all characters except for the detail separator, a stricter version would be [,\\-\\&] and some other characters

//  protected static String anySepChar = "([,\\-\\&\\.\\+\\']" + fWs + ")";

    protected static int authorSeparatorMaxPosition = 4;  //Author may have a maximum of 4 words

    protected static String pTitleWordSeparator = "(\\."+ fWs+"|" + oWs + ")";

    protected static String pSeriesPart = ",?" + fWs + "[sS]er(\\.)?" + oWs + "\\d{1,2},?";

    protected static String referenceTitleFirstPart = "(" + word + pTitleWordSeparator + ")";

    protected static String referenceTitle = referenceTitleFirstPart + "*" + "("+ dotWord + "|" + uppercaseWord + "|" + pSeriesPart + ")";  //reference title may have words seperated by whitespace or dot. The last word may not have a whitespace at the end. There must be at least one word

    protected static String referenceTitleWithSepCharacters = "(((" + referenceTitle +"|\\(.+\\))"  + anySepChar + ")*" + referenceTitle + ")"; //,?

    //TODO test performance ??

    protected static String referenceTitleWithSepCharactersAndBrackets = referenceTitleWithSepCharacters + fWs + "(\\(" + referenceTitleWithSepCharacters + "\\)"+fWs+ ")?(" + referenceTitleWithSepCharacters +")?"  ;

    protected static String referenceTitleWithoutAuthor = "(" + referenceTitleFirstPart + ")" + "{"+ (authorSeparatorMaxPosition -1) +",}" + dotWord +

    			anySepChar + referenceTitleWithSepCharactersAndBrackets ;   //separators exist and first separator appears at position authorSeparatorMaxPosition or later

    protected static String editionSeparator = "(" + oWs + "|," + fWs + ")ed\\.?" + oWs;  //

    protected static String pEdition = nr2;

    protected static String pVolPart = volumeSeparator +  volume;

    protected static String pEditionPart = editionSeparator +  pEdition;

    protected static String pEditionVolPart = editionSeparator +  pEdition + fWs + "," + volumeSeparator +  volume;

    protected static String pEditionVolAlternative = "(" + pEditionPart + "|" + pVolPart + "|" + pEditionVolPart + ")?";

    protected static String pVolRefTitle = referenceTitle + "(" + pVolPart + ")?";

    protected static String softEditionVolRefTitle = referenceTitleWithSepCharactersAndBrackets + pEditionVolAlternative;

    protected static String softVolNoAuthorRefTitle = referenceTitleWithoutAuthor + "(" + volumeSeparator +  volume + ")?";

    protected static String pBookReference = softEditionVolRefTitle;

    protected static String pBookSectionReference = authorTeam + referenceAuthorSeparator + softEditionVolRefTitle;

    protected static String pArticleReference = pVolRefTitle;

    protected static String pSoftArticleReference = softVolNoAuthorRefTitle;

    protected static String pReferenceSineDetail = "(" + pArticleReference + "|" + pBookSectionReference + "|" + pBookReference + ")";

    protected static String pReference = pReferenceSineDetail + detailSeparator + detail +

					yearSeperator + yearPhrase + "(" + referenceEnd + ")?";

    //static String strictBook = referenc

    protected static Pattern referencePattern = Pattern.compile(pReference);

    protected static Pattern referenceSineDetailPattern = Pattern.compile(pReferenceSineDetail);

    protected static String pNomStatusNom =

            "nom\\." + fWs + "(ambig\\.|dub\\.|confus\\.|superfl\\.|nud\\.|illeg\\.|inval\\.|cons\\.(\\s*(prop|des)\\.)?|altern(ativ)?\\.|subnud\\.|nov\\.|legit\\.|sanct\\.|valid|"+

    			"rej\\.("+ fWs + "prop\\.)?|provis\\.|utique"+fWs+"rej\\.("+fWs+"prop\\.)?|orth\\."+fWs+"cons\\.("+fWs+"prop\\.)?)";

    protected static String pNomStatusOrthVar = "orth\\." + fWs + "(var\\.|rej\\.)";

    protected static String pNomStatusComb = "comb\\." + fWs + "(inval\\.|illeg\\.|nov\\.)";

    protected static String pNomStatusOpus = "opus\\." + fWs + "utique" + fWs + "oppr\\.";

    protected static String pNomStatus = "(" + pNomStatusNom + "|" + pNomStatusOrthVar + "|" +pNomStatusComb + "|" + pNomStatusOpus + ")";

    protected static String pNomStatusPhrase1 = "," + fWs + pNomStatus;

    protected static String pNomStatusPhrase2 = "\\[" + fWs + pNomStatus + "\\]";

    protected static String pNomStatusPhrase = "(?:" + pNomStatusPhrase1 + "|" + pNomStatusPhrase2 + ")";

// Soraya

//opus utique oppr.

//pro syn.

//provisional synonym

//fossil name

    //cultivars and hybrids

    protected static String cultivar = oWs + "'..+'"; //Achtung mit Hochkomma in AuthorNamen

    protected static String cultivarMarker = oWs + "(cv\\.|')";

    protected static String notho = "notho";

    protected static String hybridPart = "([xX]" + oWs + "|"+hybridSign+"|"+notho+")";

    protected static String noNothoHybridPart = "([xX]" + oWs + "|"+hybridSign+")";

    protected static String hybridFull = "(" +oWs +"|"+ pStart +")" + noNothoHybridPart;  //for some reason infraspecific notho ranks do not parse if notho is allowed as uninomial prefix.

    protected static String hybridFormularSeparator = oWs + "[" + hybridSign + "xX]" + oWs;

    //  Name String

    protected static String genusOrSupraGenus = "("+hybridFull+")?" + capitalEpiWord;

    protected static String infraGenus = capitalEpiWord + oWs + InfraGenusMarker + oWs + capitalEpiWord;

    protected static String aggrOrGroup = capitalEpiWord + oWs + nonCapitalEpiWord + oWs + aggrOrGroupMarker;

    protected static String species = genusOrSupraGenus + oWs + "("+hybridPart+")?" + nonCapitalEpiWord;

    protected static String infraSpecies = species + oWs + infraSpeciesMarker + oWs + "("+hybridPart+")?" + nonCapitalEpiWord;

    protected static String zooInfraSpecies = species + oWs + "(" + infraSpeciesMarker + oWs +")?" + "("+hybridPart+")?" + nonCapitalEpiWord;

    protected static String oldInfraSpecies = capitalEpiWord + oWs +  nonCapitalEpiWord + oWs + oldInfraSpeciesMarker + oWs + nonCapitalEpiWord;

    protected static String autonym = capitalEpiWord + oWs + "(" + nonCapitalEpiWord +")" + oWs + fullBotanicAuthorString +  oWs + infraSpeciesMarker + oWs + "\\1";  //2-nd word and last word are the same

    //autonym pattern used within anyBotanicalFullName pattern

    protected static String autonym2 = capitalEpiWord + oWs + "(" + nonCapitalEpiWord +")" + oWs + fullBotanicAuthorString +  oWs + infraSpeciesMarker + oWs + "\\2";  //2-nd word and last word are the same

    protected static String anyBotanicName = "(" + genusOrSupraGenus + "|" + infraGenus + "|" + aggrOrGroup + "|" + species + "|" +

					infraSpecies + "|" + oldInfraSpecies + "|" + autonym   + ")+";

    protected static String anyZooName = "(" + genusOrSupraGenus + "|" + infraGenus + "|" + aggrOrGroup + "|" + species + "|" +

    				zooInfraSpecies + "|" +  oldInfraSpecies + ")+";

    protected static String anyBotanicFullName = "(" + autonym2 + "|" + anyBotanicName + oWs + fullBotanicAuthorString + ")"  ;

    protected static String anyZooFullName = anyZooName + oWs + fullZooAuthorString ;

    protected static String anyFullName = "(" + anyBotanicFullName + "|" + anyZooFullName + ")";

    protected static String hybridFullName = "(" + anyFullName  + "|" +  anyBotanicName + "|" + anyZooName + ")" + hybridFormularSeparator + "(" + anyFullName  + "|" +  anyBotanicName + "|" + anyZooName + ")";

    //Pattern

    protected static Pattern oWsPattern = Pattern.compile(oWs);

    protected static Pattern finalTeamSplitterPattern = Pattern.compile(finalTeamSplitter);

    protected static Pattern cultivarPattern = Pattern.compile(cultivar);

    protected static Pattern cultivarMarkerPattern = Pattern.compile(cultivarMarker);

    protected static Pattern genusOrSupraGenusPattern = Pattern.compile(pStart + genusOrSupraGenus + facultFullAuthorString2 + end);

    protected static Pattern infraGenusPattern = Pattern.compile(pStart + infraGenus + facultFullAuthorString2 + end);

    protected static Pattern aggrOrGroupPattern = Pattern.compile(pStart + aggrOrGroup + fWs + end); //aggr. or group has no author string

    protected static Pattern speciesPattern = Pattern.compile(pStart + species + facultFullAuthorString2 + end);

    protected static Pattern infraSpeciesPattern = Pattern.compile(pStart + infraSpecies + facultFullAuthorString2 + end);

    protected static Pattern zooInfraSpeciesPattern = Pattern.compile(pStart + zooInfraSpecies + facultFullAuthorString2 + end);

    protected static Pattern oldInfraSpeciesPattern = Pattern.compile(pStart + oldInfraSpecies + facultFullAuthorString2 + end);

    protected static Pattern autonymPattern = Pattern.compile(pStart + autonym + fWs + end);

    protected static Pattern hybridFormulaPattern = Pattern.compile(pStart + hybridFullName + fWs + end);

    protected static Pattern botanicBasionymPattern = Pattern.compile(botanicBasionymAuthor);

    protected static Pattern zooBasionymPattern = Pattern.compile(zooBasionymAuthor);

    protected static Pattern basionymPattern = Pattern.compile(basionymAuthor);

    protected static Pattern zooAuthorPattern = Pattern.compile(zooAuthorTeam);

    protected static Pattern zooAuthorAddidtionPattern = Pattern.compile(zooAuthorAddidtion);

    protected static Pattern exAuthorPattern = Pattern.compile(oWs + exString);

    protected static Pattern fullBotanicAuthorStringPattern = Pattern.compile(fullBotanicAuthorString);

    protected static Pattern fullZooAuthorStringPattern = Pattern.compile(fullZooAuthorString);

    protected static Pattern fullAuthorStringPattern = Pattern.compile(fullAuthorString);

    protected static Pattern anyBotanicFullNamePattern = Pattern.compile(anyBotanicFullName);

    protected static Pattern anyZooFullNamePattern = Pattern.compile(anyZooFullName);

}