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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.jdk.core.text.change;
/**
* @author Ryan D. Brooks
*/
public class ChOps {
/**
* take a string containing one or more "\n" and replace with a new line char then replace all "\\n" with "\n"
*
* @param src
* @param srcStartIndex
* @param srcEndIndex
* @return char[]
*/
public static char[] embedNewLines(char[] src, int srcStartIndex, int srcEndIndex) {
int stop = srcEndIndex - 1; //don't loop for the last char so we can use src[i+1]
int replaceCount = 0;
for (int i = srcStartIndex; i < stop; i++) {
if (src[i] == '\\') {
i++;
if (src[i] == '\\' || src[i] == 'n') {
replaceCount++;
}
}
}
char[] result = new char[srcEndIndex - srcStartIndex - replaceCount];
int srcPos = srcStartIndex;
for (int i = 0; i < result.length; i++) {
if (src[srcPos] == '\\') {
if (src[srcPos + 1] == '\\') {
srcPos += 2; // skip over the two escaped chars
result[i] = '\\'; // and replace them here
} else if (src[srcPos + 1] == 'n') {
srcPos += 2; // skip over the two escaped chars
result[i] = '\n'; // and replace them here
} else {
result[i] = src[srcPos++];
}
} else {
result[i] = src[srcPos++];
}
}
return result;
}
}
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