/*******************************************************************************
* Copyright (c) 2000, 2009 QNX Software Systems and others.
* 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:
* QNX Software Systems - Initial API and implementation
* Wind River Systems - Modified for new DSF Reference Implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.mi.service.command.output;
/**
* GDB/MI const value represents a ios-c string.
*/
public class MIConst extends MIValue {
String cstring = ""; //$NON-NLS-1$
public String getCString() {
return cstring;
}
public void setCString(String str) {
cstring = str;
}
/**
* Translate gdb c-string.
*/
public String getString() {
return getString(cstring);
}
public static String getString(String str) {
StringBuffer buffer = new StringBuffer();
boolean escape = false;
for (int i = 0; i < str.length(); i++) {
char c = str.charAt(i);
if (c == '\\') {
if (escape) {
buffer.append(c);
escape = false;
} else {
escape = true;
}
} else {
if (escape) {
if (isIsoCSpecialChar(c)) {
buffer.append(isoC(c));
} else {
buffer.append('\\');
buffer.append(c);
}
} else {
buffer.append(c);
}
escape = false;
}
}
// If escape is still true it means that the
// last char was an '\'.
if (escape) {
buffer.append('\\');
}
return buffer.toString();
}
@Override
public String toString() {
return getCString();
}
/**
* Assuming that the precedent character was the
* escape sequence '\'
*/
private static String isoC(char c) {
String s = new Character(c).toString();
if (c == '"') {
s = "\""; //$NON-NLS-1$
} else if (c == '\'') {
s = "\'"; //$NON-NLS-1$
} else if (c == '?') {
s = "?"; //$NON-NLS-1$
} else if (c == 'a') {
s = "\007"; //$NON-NLS-1$
} else if (c == 'b') {
s = "\b"; //$NON-NLS-1$
} else if (c == 'f') {
s = "\f"; //$NON-NLS-1$
} else if (c == 'n') {
s = System.getProperty("line.separator", "\n"); //$NON-NLS-1$ //$NON-NLS-2$ $NON-NLS-2$
} else if (c == 'r') {
s = "\r"; //$NON-NLS-1$
} else if (c == 't') {
s = "\t"; //$NON-NLS-1$
} else if (c == 'v') {
s = "\013"; //$NON-NLS-1$
}
return s;
}
private static boolean isIsoCSpecialChar(char c) {
switch (c) {
case '"':
case '\'':
case '?':
case 'a':
case 'b':
case 'f':
case 'n':
case 'r':
case 't':
case 'v':
return true;
}
return false;
}
}