/* * $Id$ * * Copyright 2008 Bruno Lowagie and Xavier Le Vourch * * The contents of this file are subject to the Mozilla Public License Version 1.1 * (the "License"); you may not use this file except in compliance with the License. * You may obtain a copy of the License at http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the License. * * The Original Code is 'iText, a free JAVA-PDF library'. * * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie. * All Rights Reserved. * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved. * * Contributor(s): all the names of the contributors are added in the source code * where applicable. * * Alternatively, the contents of this file may be used under the terms of the * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the * provisions of LGPL are applicable instead of those above. If you wish to * allow use of your version of this file only under the terms of the LGPL * License and not to allow others to use your version of this file under * the MPL, indicate your decision by deleting the provisions above and * replace them with the notice and other provisions required by the LGPL. * If you do not delete the provisions above, a recipient may use your version * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE. * * This library is free software; you can redistribute it and/or modify it * under the terms of the MPL as stated above or under the terms of the GNU * Library General Public License as published by the Free Software Foundation; * either version 2 of the License, or any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more * details. * * If you didn't download this code from the following link, you should check if * you aren't using an obsolete version: * http://www.lowagie.com/iText/ */ package com.lowagie.text.pdf; import com.lowagie.text.SplitCharacter; /** * The default class that is used to determine whether or not a character * is a split character. You can subclass this class to define your own * split characters. * @since 2.1.2 */ public class DefaultSplitCharacter implements SplitCharacter { /** * An instance of the default SplitCharacter. */ public static final SplitCharacter DEFAULT = new DefaultSplitCharacter(); /** * Checks if a character can be used to split a <CODE>PdfString</CODE>. * <P> * for the moment every character less than or equal to SPACE, the character '-' * and some specific unicode ranges are 'splitCharacters'. * * @param start start position in the array * @param current current position in the array * @param end end position in the array * @param cc the character array that has to be checked * @param ck chunk array * @return <CODE>true</CODE> if the character can be used to split a string, <CODE>false</CODE> otherwise */ public boolean isSplitCharacter(int start, int current, int end, char[] cc, PdfChunk[] ck) { char c = getCurrentCharacter(current, cc, ck); if (c <= ' ' || c == '-' || c == '\u2010') { return true; } if (c < 0x2002) return false; return ((c >= 0x2002 && c <= 0x200b) || (c >= 0x2e80 && c < 0xd7a0) || (c >= 0xf900 && c < 0xfb00) || (c >= 0xfe30 && c < 0xfe50) || (c >= 0xff61 && c < 0xffa0)); } /** * Returns the current character * @param current current position in the array * @param cc the character array that has to be checked * @param ck chunk array * @return the current character */ protected char getCurrentCharacter(int current, char[] cc, PdfChunk[] ck) { if (ck == null) { return cc[current]; } return (char)ck[Math.min(current, ck.length - 1)].getUnicodeEquivalent(cc[current]); } }