You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
3.1 KiB
101 lines
3.1 KiB
/* StringQuoter Copyright (C) 1999-2002 Jochen Hoenicke.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program 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 Lesser General Public License
|
|
* along with this program; see the file COPYING.LESSER. If not, write to
|
|
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
package net.sf.jode.util;
|
|
/**
|
|
* This is a simple class to quote a string or a char. It puts it in
|
|
* quotes (" resp. ') and prints special chars with the same syntax as
|
|
* strings and chars in java source codes.
|
|
*/
|
|
public class StringQuoter {
|
|
/**
|
|
* This is the static method, that quotes a string.
|
|
*/
|
|
public static String quote(String str) {
|
|
StringBuffer result = new StringBuffer("\"");
|
|
for (int i=0; i< str.length(); i++) {
|
|
char c;
|
|
switch (c = str.charAt(i)) {
|
|
case '\0':
|
|
result.append("\\0");
|
|
break;
|
|
case '\t':
|
|
result.append("\\t");
|
|
break;
|
|
case '\n':
|
|
result.append("\\n");
|
|
break;
|
|
case '\r':
|
|
result.append("\\r");
|
|
break;
|
|
case '\\':
|
|
result.append("\\\\");
|
|
break;
|
|
case '\"':
|
|
result.append("\\\"");
|
|
break;
|
|
default:
|
|
if (c < 32) {
|
|
String oct = Integer.toOctalString(c);
|
|
result.append("\\000".substring(0, 4-oct.length()))
|
|
.append(oct);
|
|
} else if (c >= 32 && c < 127)
|
|
result.append(str.charAt(i));
|
|
else {
|
|
String hex = Integer.toHexString(c);
|
|
result.append("\\u0000".substring(0, 6-hex.length()))
|
|
.append(hex);
|
|
}
|
|
}
|
|
}
|
|
return result.append("\"").toString();
|
|
}
|
|
|
|
/**
|
|
* This is the static method, that quotes a char.
|
|
*/
|
|
public static String quote(char c) {
|
|
switch (c) {
|
|
case '\0':
|
|
return "\'\\0\'";
|
|
case '\t':
|
|
return "\'\\t\'";
|
|
case '\n':
|
|
return "\'\\n\'";
|
|
case '\r':
|
|
return "\'\\r\'";
|
|
case '\\':
|
|
return "\'\\\\\'";
|
|
case '\"':
|
|
return "\'\\\"\'";
|
|
case '\'':
|
|
return "\'\\\'\'";
|
|
}
|
|
if (c < 32) {
|
|
String oct = Integer.toOctalString(c);
|
|
return "\'\\000".substring(0, 5-oct.length())+oct+"\'";
|
|
}
|
|
if (c >= 32 && c < 127)
|
|
return "\'"+c+"\'";
|
|
else {
|
|
String hex = Integer.toHexString(c);
|
|
return "\'\\u0000".substring(0, 7-hex.length())+hex+"\'";
|
|
}
|
|
}
|
|
}
|
|
|