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/*
* Copyright 2007 Google Inc.
*
* 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.tonicsystems.jarjar;
import com.tonicsystems.jarjar.util.*;
import java.io.*;
import org.objectweb.asm.*;
class StringDumper {
public StringDumper() {}
public void run(String classPath, PrintWriter pw) throws IOException {
StringReader stringReader = new DumpStringReader(pw);
ClassPathIterator cp = new ClassPathIterator(classPath);
try {
while (cp.hasNext()) {
ClassPathEntry entry = cp.next();
InputStream in = entry.openStream();
try {
new ClassReader(in).accept(stringReader, 0);
} catch (Exception e) {
System.err.println("Error reading " + entry.getName() + ": " + e.getMessage());
} finally {
in.close();
}
pw.flush();
}
} catch (RuntimeIOException e) {
throw (IOException) e.getCause();
} finally {
cp.close();
}
}
private static class DumpStringReader extends StringReader {
private final PrintWriter pw;
private String className;
public DumpStringReader(PrintWriter pw) {
this.pw = pw;
}
public void visitString(String className, String value, int line) {
if (value.length() > 0) {
if (!className.equals(this.className)) {
this.className = className;
pw.println(className.replace('/', '.'));
}
pw.print("\t");
if (line >= 0) {
pw.print(line + ": ");
}
pw.print(escapeStringLiteral(value));
pw.println();
}
}
};
private static String escapeStringLiteral(String value) {
StringBuilder sb = new StringBuilder();
sb.append("\"");
char[] chars = value.toCharArray();
for (int i = 0, size = chars.length; i < size; i++) {
char ch = chars[i];
switch (ch) {
case '\n':
sb.append("\\n");
break;
case '\r':
sb.append("\\r");
break;
case '\b':
sb.append("\\b");
break;
case '\f':
sb.append("\\f");
break;
case '\t':
sb.append("\\t");
break;
case '\"':
sb.append("\\\"");
break;
case '\\':
sb.append("\\\\");
break;
default:
sb.append(ch);
}
}
sb.append("\"");
return sb.toString();
}
}
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