/**
Copyright (C) 2010 Tobias Domhan
This file is part of AndObjViewer.
AndObjViewer is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
AndObjViewer 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with AndObjViewer. If not, see .
*/
//package edu.dhbw.andobjviewer.parser;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
class Util {
private static final Pattern trimWhiteSpaces = Pattern.compile("[\\s]+");
private static final Pattern removeInlineComments = Pattern.compile("#");
private static final Pattern splitBySpace = Pattern.compile(" ");
public final static List fastSplit(final String text, char separator, final boolean emptyStrings) {
final List result = new ArrayList();
if (text != null && text.length() > 0) {
int index1 = 0;
int index2 = text.indexOf(separator);
while (index2 >= 0) {
String token = text.substring(index1, index2);
result.add(token);
index1 = index2 + 1;
index2 = text.indexOf(separator, index1);
}
if (index1 < text.length() - 1) {
result.add(text.substring(index1));
}
}//else: input unavailable
return result;
}
/**
* returns a canonical line of a obj or mtl file.
* e.g. it removes multiple whitespaces or comments from the given string.
* @param line
* @return
*/
public static final String getCanonicalLine(String line) {
line = trimWhiteSpaces.matcher(line).replaceAll(" ");
if(line.contains("#")) {
String[] parts = removeInlineComments.split(line);
if(parts.length > 0)
line = parts[0];//remove inline comments
}
return line;
}
}