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Clisprail
325 lines
11 KiB
Java
325 lines
11 KiB
Java
/***
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* ASM XML Adapter
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* Copyright (c) 2004-2011, Eugene Kuleshov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.objectweb.asm.xml;
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import org.objectweb.asm.AnnotationVisitor;
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import org.objectweb.asm.ClassVisitor;
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import org.objectweb.asm.FieldVisitor;
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import org.objectweb.asm.MethodVisitor;
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import org.objectweb.asm.Opcodes;
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import org.xml.sax.ContentHandler;
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import org.xml.sax.helpers.AttributesImpl;
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/**
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* A {@link org.objectweb.asm.ClassVisitor ClassVisitor} that generates SAX 2.0
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* events from the visited class. It can feed any kind of
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* {@link org.xml.sax.ContentHandler ContentHandler}, e.g. XML serializer, XSLT
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* or XQuery engines.
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*
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* @see Processor
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* @see ASMContentHandler
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*
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* @author Eugene Kuleshov
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*/
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public final class SAXClassAdapter extends ClassVisitor {
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SAXAdapter sa;
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private final boolean singleDocument;
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/**
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* Pseudo access flag used to distinguish class access flags.
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*/
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private static final int ACCESS_CLASS = 262144;
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/**
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* Pseudo access flag used to distinguish field access flags.
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*/
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private static final int ACCESS_FIELD = 524288;
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/**
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* Pseudo access flag used to distinguish inner class flags.
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*/
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private static final int ACCESS_INNER = 1048576;
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/**
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* Constructs a new {@link org.objectweb.asm.xml.SAXClassAdapter SAXClassAdapter} object.
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*
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* @param h
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* content handler that will be used to send SAX 2.0 events.
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* @param singleDocument
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* if <tt>true</tt> adapter will not produce
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* {@link org.xml.sax.ContentHandler#startDocument() startDocument()} and
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* {@link org.xml.sax.ContentHandler#endDocument() endDocument()} events.
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*/
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public SAXClassAdapter(final ContentHandler h, boolean singleDocument) {
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super(Opcodes.ASM4);
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this.sa = new SAXAdapter(h);
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this.singleDocument = singleDocument;
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if (!singleDocument) {
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sa.addDocumentStart();
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}
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}
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@Override
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public void visitSource(final String source, final String debug) {
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AttributesImpl att = new AttributesImpl();
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if (source != null) {
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att.addAttribute("", "file", "file", "", encode(source));
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}
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if (debug != null) {
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att.addAttribute("", "debug", "debug", "", encode(debug));
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}
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sa.addElement("source", att);
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}
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@Override
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public void visitOuterClass(final String owner, final String name,
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final String desc) {
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AttributesImpl att = new AttributesImpl();
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att.addAttribute("", "owner", "owner", "", owner);
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if (name != null) {
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att.addAttribute("", "name", "name", "", name);
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}
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if (desc != null) {
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att.addAttribute("", "desc", "desc", "", desc);
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}
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sa.addElement("outerclass", att);
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}
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@Override
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public AnnotationVisitor visitAnnotation(final String desc,
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final boolean visible) {
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return new SAXAnnotationAdapter(sa, "annotation", visible ? 1 : -1,
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null, desc);
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}
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@Override
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public void visit(final int version, final int access, final String name,
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final String signature, final String superName,
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final String[] interfaces) {
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StringBuffer sb = new StringBuffer();
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appendAccess(access | ACCESS_CLASS, sb);
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AttributesImpl att = new AttributesImpl();
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att.addAttribute("", "access", "access", "", sb.toString());
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if (name != null) {
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att.addAttribute("", "name", "name", "", name);
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}
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if (signature != null) {
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att.addAttribute("", "signature", "signature", "",
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encode(signature));
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}
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if (superName != null) {
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att.addAttribute("", "parent", "parent", "", superName);
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}
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att.addAttribute("", "major", "major", "",
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Integer.toString(version & 0xFFFF));
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att.addAttribute("", "minor", "minor", "",
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Integer.toString(version >>> 16));
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sa.addStart("class", att);
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sa.addStart("interfaces", new AttributesImpl());
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if (interfaces != null && interfaces.length > 0) {
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for (int i = 0; i < interfaces.length; i++) {
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AttributesImpl att2 = new AttributesImpl();
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att2.addAttribute("", "name", "name", "", interfaces[i]);
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sa.addElement("interface", att2);
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}
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}
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sa.addEnd("interfaces");
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}
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@Override
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public FieldVisitor visitField(final int access, final String name,
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final String desc, final String signature, final Object value) {
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StringBuffer sb = new StringBuffer();
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appendAccess(access | ACCESS_FIELD, sb);
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AttributesImpl att = new AttributesImpl();
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att.addAttribute("", "access", "access", "", sb.toString());
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att.addAttribute("", "name", "name", "", name);
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att.addAttribute("", "desc", "desc", "", desc);
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if (signature != null) {
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att.addAttribute("", "signature", "signature", "",
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encode(signature));
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}
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if (value != null) {
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att.addAttribute("", "value", "value", "", encode(value.toString()));
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}
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return new SAXFieldAdapter(sa, att);
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}
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@Override
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public MethodVisitor visitMethod(final int access, final String name,
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final String desc, final String signature, final String[] exceptions) {
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StringBuffer sb = new StringBuffer();
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appendAccess(access, sb);
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AttributesImpl att = new AttributesImpl();
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att.addAttribute("", "access", "access", "", sb.toString());
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att.addAttribute("", "name", "name", "", name);
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att.addAttribute("", "desc", "desc", "", desc);
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if (signature != null) {
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att.addAttribute("", "signature", "signature", "", signature);
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}
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sa.addStart("method", att);
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sa.addStart("exceptions", new AttributesImpl());
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if (exceptions != null && exceptions.length > 0) {
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for (int i = 0; i < exceptions.length; i++) {
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AttributesImpl att2 = new AttributesImpl();
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att2.addAttribute("", "name", "name", "", exceptions[i]);
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sa.addElement("exception", att2);
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}
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}
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sa.addEnd("exceptions");
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return new SAXCodeAdapter(sa, access);
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}
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@Override
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public final void visitInnerClass(final String name,
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final String outerName, final String innerName, final int access) {
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StringBuffer sb = new StringBuffer();
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appendAccess(access | ACCESS_INNER, sb);
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AttributesImpl att = new AttributesImpl();
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att.addAttribute("", "access", "access", "", sb.toString());
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if (name != null) {
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att.addAttribute("", "name", "name", "", name);
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}
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if (outerName != null) {
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att.addAttribute("", "outerName", "outerName", "", outerName);
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}
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if (innerName != null) {
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att.addAttribute("", "innerName", "innerName", "", innerName);
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}
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sa.addElement("innerclass", att);
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}
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@Override
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public final void visitEnd() {
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sa.addEnd("class");
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if (!singleDocument) {
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sa.addDocumentEnd();
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}
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}
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static final String encode(final String s) {
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StringBuffer sb = new StringBuffer();
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for (int i = 0; i < s.length(); i++) {
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char c = s.charAt(i);
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if (c == '\\') {
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sb.append("\\\\");
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} else if (c < 0x20 || c > 0x7f) {
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sb.append("\\u");
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if (c < 0x10) {
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sb.append("000");
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} else if (c < 0x100) {
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sb.append("00");
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} else if (c < 0x1000) {
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sb.append('0');
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}
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sb.append(Integer.toString(c, 16));
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} else {
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sb.append(c);
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}
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}
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return sb.toString();
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}
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static void appendAccess(final int access, final StringBuffer sb) {
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if ((access & Opcodes.ACC_PUBLIC) != 0) {
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sb.append("public ");
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}
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if ((access & Opcodes.ACC_PRIVATE) != 0) {
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sb.append("private ");
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}
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if ((access & Opcodes.ACC_PROTECTED) != 0) {
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sb.append("protected ");
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}
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if ((access & Opcodes.ACC_FINAL) != 0) {
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sb.append("final ");
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}
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if ((access & Opcodes.ACC_STATIC) != 0) {
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sb.append("static ");
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}
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if ((access & Opcodes.ACC_SUPER) != 0) {
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if ((access & ACCESS_CLASS) == 0) {
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sb.append("synchronized ");
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} else {
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sb.append("super ");
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}
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}
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if ((access & Opcodes.ACC_VOLATILE) != 0) {
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if ((access & ACCESS_FIELD) == 0) {
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sb.append("bridge ");
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} else {
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sb.append("volatile ");
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}
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}
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if ((access & Opcodes.ACC_TRANSIENT) != 0) {
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if ((access & ACCESS_FIELD) == 0) {
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sb.append("varargs ");
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} else {
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sb.append("transient ");
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}
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}
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if ((access & Opcodes.ACC_NATIVE) != 0) {
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sb.append("native ");
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}
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if ((access & Opcodes.ACC_STRICT) != 0) {
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sb.append("strict ");
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}
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if ((access & Opcodes.ACC_INTERFACE) != 0) {
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sb.append("interface ");
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}
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if ((access & Opcodes.ACC_ABSTRACT) != 0) {
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sb.append("abstract ");
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}
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if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
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sb.append("synthetic ");
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}
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if ((access & Opcodes.ACC_ANNOTATION) != 0) {
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sb.append("annotation ");
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}
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if ((access & Opcodes.ACC_ENUM) != 0) {
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sb.append("enum ");
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}
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if ((access & Opcodes.ACC_DEPRECATED) != 0) {
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sb.append("deprecated ");
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}
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}
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}
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