9241a44f6c
git-svn-id: svn://svn.code.sf.net/p/writer2latex/code/trunk@11 f0f2a975-2e09-46c8-9428-3b39399b9f3c
102 lines
3.2 KiB
Java
102 lines
3.2 KiB
Java
/************************************************************************
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*
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* ExportNameCollection.java
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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* Copyright: 2002-2007 by Henrik Just
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*
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* All Rights Reserved.
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*
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* Version 0.5 (2007-02-25)
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*
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*/
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package writer2latex.util;
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import java.util.Enumeration;
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import java.util.Hashtable;
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// Collection of export names
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// Used for mapping named collections to simpler names (only A-Z, a-z and 0-9)
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public class ExportNameCollection{
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private Hashtable<String, String> exportNames = new Hashtable<String, String>();
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private String sPrefix;
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private boolean bAcceptNumbers;
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public ExportNameCollection(String sPrefix, boolean b) {
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this.sPrefix=sPrefix;
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bAcceptNumbers = b;
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}
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public ExportNameCollection(boolean b) {
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this("",b);
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}
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public Enumeration<String> keys() {
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return exportNames.keys();
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}
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public void addName(String sName){
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if (containsName(sName)) { return; }
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StringBuffer outbuf=new StringBuffer();
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SimpleInputBuffer inbuf=new SimpleInputBuffer(sName);
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// Don't start with a digit
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if (bAcceptNumbers && inbuf.peekChar()>='0' && inbuf.peekChar()<='9') {
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outbuf.append('a');
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}
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char c;
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// convert numbers to roman numbers and discard unwanted characters
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while ((c=inbuf.peekChar())!='\0'){
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if ((c>='a' && c<='z') || (c>='A' && c<='Z')) {
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outbuf.append(inbuf.getChar());
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}
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else if (c>='0' && c<='9'){
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if (bAcceptNumbers) {
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outbuf.append(inbuf.getInteger());
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}
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else {
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outbuf.append(Misc.int2roman(
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Integer.parseInt(inbuf.getInteger())));
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}
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}
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else {
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inbuf.getChar(); // ignore this character
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}
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}
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String sExportName=outbuf.toString();
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// the result may exist in the collecion; add a's at the end
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while (exportNames.containsValue(sExportName)){
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sExportName+="a";
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}
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exportNames.put(sName,sExportName);
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}
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public String getExportName(String sName) {
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// add the name, if it does not exist
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if (!containsName(sName)) { addName(sName); }
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return sPrefix + exportNames.get(sName);
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}
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public boolean containsName(String sName) {
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return exportNames.containsKey(sName);
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}
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public boolean isEmpty() {
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return exportNames.size()==0;
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}
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}
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