//package org.anddev.andengine.util;
/**
* (c) 2010 Nicolas Gramlich
* (c) 2011 Zynga Inc.
*
* @author Nicolas Gramlich
* @since 19:01:08 - 03.04.2010
*/
class StringUtils {
/**
* Split a String by a Character, i.e. Split lines by using '\n'.
* Same behavior as String.split("" + pCharacter); .
*
* @param pString
* @param pCharacter
* @return
*/
public static String[] split(final String pString, final char pCharacter) {
return StringUtils.split(pString, pCharacter, null);
}
/**
* Split a String by a Character, i.e. Split lines by using '\n'.
* Same behavior as String.split("" + pCharacter); .
*
* @param pString
* @param pCharacter
* @param pReuse tries to reuse the String[] if the length is the same as the length needed.
* @return
*/
public static String[] split(final String pString, final char pCharacter, final String[] pReuse) {
final int partCount = StringUtils.countOccurrences(pString, pCharacter) + 1;
final boolean reuseable = pReuse != null && pReuse.length == partCount;
final String[] out = (reuseable) ? pReuse : new String[partCount];
if(partCount == 0) {
out[0] = pString;
} else {
int from = 0;
int to;
for (int i = 0; i < partCount - 1; i++) {
to = pString.indexOf(pCharacter, from);
out[i] = pString.substring(from, to);
from = to + 1;
}
out[partCount - 1] = pString.substring(from, pString.length());
}
return out;
}
public static int countOccurrences(final String pString, final char pCharacter) {
int count = 0;
int lastOccurrence = pString.indexOf(pCharacter, 0);
while (lastOccurrence != -1) {
count++;
lastOccurrence = pString.indexOf(pCharacter, lastOccurrence + 1);
}
return count;
}
}