org.crsh.cmdline.Delimiter Maven / Gradle / Ivy
/*
* Copyright (C) 2012 eXo Platform SAS.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.crsh.cmdline;
import java.io.IOException;
import java.lang.reflect.UndeclaredThrowableException;
public enum Delimiter {
EMPTY(' ') {
@Override
public void escape(CharSequence s, int start, int end, Appendable appendable) throws IOException {
while (start < end) {
char c = s.charAt(start++);
switch (c) {
case ' ':
case '"':
case '\'':
case '\\':
appendable.append('\\');
}
appendable.append(c);
}
}
},
SINGLE_QUOTE('\'') {
@Override
public void escape(CharSequence s, int start, int end, Appendable appendable) throws IOException {
while (start < end) {
while (start < end) {
char c = s.charAt(start++);
switch (c) {
case '\'':
case '\\':
appendable.append('\\');
}
appendable.append(c);
}
}
}
},
DOUBLE_QUOTE('"') {
@Override
public void escape(CharSequence s, int start, int end, Appendable appendable) throws IOException {
while (start < end) {
while (start < end) {
char c = s.charAt(start++);
switch (c) {
case '"':
case '\\':
appendable.append('\\');
}
appendable.append(c);
}
}
}
};
/** . */
private final char value;
Delimiter(char value) {
this.value = value;
}
public char getValue() {
return value;
}
public final String escape(CharSequence s) {
try {
StringBuilder buffer = new StringBuilder();
escape(s, buffer);
return buffer.toString();
}
catch (IOException e) {
throw new UndeclaredThrowableException(e);
}
}
public final void escape(CharSequence s, Appendable appendable) throws IOException {
escape(s, 0, s.length(), appendable);
}
public abstract void escape(CharSequence s, int start, int end, Appendable appendable) throws IOException;
}