com.googlecode.dex2jar.ir.Util Maven / Gradle / Ivy
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/*
* Copyright (c) 2009-2012 Panxiaobo
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.googlecode.dex2jar.ir;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author Panxiaobo
* @version $Rev$
*/
public class Util {
public static List listDesc(String desc) {
List list = new ArrayList(5);
char[] chars = desc.toCharArray();
int i = 0;
while (i < chars.length) {
switch (chars[i]) {
case 'V':
case 'Z':
case 'C':
case 'B':
case 'S':
case 'I':
case 'F':
case 'J':
case 'D':
list.add(Character.toString(chars[i]));
i++;
break;
case '[': {
int count = 1;
while (chars[i + count] == '[') {
count++;
}
if (chars[i + count] == 'L') {
count++;
while (chars[i + count] != ';') {
count++;
}
}
count++;
list.add(new String(chars, i, count));
i += count + 1;
break;
}
case 'L': {
int count = 1;
while (chars[i + count] != ';') {
++count;
}
count++;
list.add(new String(chars, i, count));
i += count + 1;
break;
}
default:
}
}
return list;
}
/**
* Appends a quoted string to a given buffer.
*
* @param buf
* the buffer where the string must be added.
* @param s
* the string to be added.
*/
public static void appendString(final StringBuffer buf, final String s) {
buf.append('\"');
for (int i = 0; i < s.length(); ++i) {
char c = s.charAt(i);
if (c == '\n') {
buf.append("\\n");
} else if (c == '\r') {
buf.append("\\r");
} else if (c == '\\') {
buf.append("\\\\");
} else if (c == '"') {
buf.append("\\\"");
} else if (c < 0x20 || c > 0x7f) {
buf.append("\\u");
if (c < 0x10) {
buf.append("000");
} else if (c < 0x100) {
buf.append("00");
} else if (c < 0x1000) {
buf.append('0');
}
buf.append(Integer.toString(c, 16));
} else {
buf.append(c);
}
}
buf.append('\"');
}
public static String toShortClassName(String desc) {
switch (desc.charAt(0)) {
case 'Z':
return "boolean";
case 'B':
return "byte";
case 'C':
return "char";
case 'S':
return "short";
case 'I':
return "int";
case 'J':
return "long";
case 'F':
return "float";
case 'D':
return "double";
case 'V':
return "void";
case 'L': {
int i = desc.lastIndexOf('/');
return desc.substring(i < 0 ? 1 : i + 1, desc.length() - 1);
}
case '[':
int d = 1;
for (; d < desc.length(); d++) {
if (desc.charAt(d) != '[') {
break;
}
}
StringBuilder sb = new StringBuilder().append(toShortClassName(desc.substring(d)));
for (int t = 0; t < d; t++) {
sb.append("[]");
}
return sb.toString();
}
throw new UnsupportedOperationException();
}
}