Subversion Repositories openrisc

/***

 * ASM XML Adapter

 * Copyright (c) 2004, Eugene Kuleshov

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the copyright holders nor the names of its

 *    contributors may be used to endorse or promote products derived from

 *    this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

 * THE POSSIBILITY OF SUCH DAMAGE.

 */

package org.objectweb.asm.xml;

import org.objectweb.asm.AnnotationVisitor;

import org.objectweb.asm.Attribute;

import org.objectweb.asm.ClassVisitor;

import org.objectweb.asm.FieldVisitor;

import org.objectweb.asm.MethodVisitor;

import org.objectweb.asm.Opcodes;

import org.xml.sax.ContentHandler;

import org.xml.sax.helpers.AttributesImpl;

/**

 * A {@link org.objectweb.asm.ClassVisitor ClassVisitor} that generates SAX 2.0

 * events from the visited class. It can feed any kind of

 * {@link org.xml.sax.ContentHandler ContentHandler}, e.g. XML serializer, XSLT

 * or XQuery engines.

 *

 * @see org.objectweb.asm.xml.Processor

 * @see org.objectweb.asm.xml.ASMContentHandler

 *

 * @author Eugene Kuleshov

 */

public final class SAXClassAdapter extends SAXAdapter implements ClassVisitor {

    private boolean singleDocument;

    /**

     * Constructs a new {@link SAXClassAdapter SAXClassAdapter} object.

     *

     * @param h content handler that will be used to send SAX 2.0 events.

     * @param singleDocument if <tt>true</tt> adapter will not produce

     *        {@link ContentHandler#startDocument() startDocument()} and

     *        {@link ContentHandler#endDocument() endDocument()} events.

     */

    public SAXClassAdapter(ContentHandler h, boolean singleDocument) {

        super(h);

        this.singleDocument = singleDocument;

        if (!singleDocument) {

            addDocumentStart();

        }

    }

    public void visitSource(String source, String debug) {

        if (source == null && debug == null) {

            return;

        }

        AttributesImpl att = new AttributesImpl();

        if (source != null)

            att.addAttribute("", "file", "file", "", encode(source));

        if (debug != null)

            att.addAttribute("", "debug", "debug", "", encode(debug));

        addElement("source", att);

    }

    public void visitOuterClass(String owner, String name, String desc) {

        AttributesImpl att = new AttributesImpl();

        att.addAttribute("", "owner", "owner", "", owner);

        if (name != null)

            att.addAttribute("", "name", "name", "", name);

        if (desc != null)

            att.addAttribute("", "desc", "desc", "", desc);

        addElement("outerclass", att);

    }

    public final void visitAttribute(Attribute attr) {

        // TODO Auto-generated SAXClassAdapter.visitAttribute

    }

    public AnnotationVisitor visitAnnotation(String desc, boolean visible) {

        return new SAXAnnotationAdapter(getContentHandler(),

                "annotation",

                visible ? 1 : -1,

                null,

                desc);

    }

    public void visit(

        int version,

        int access,

        String name,

        String signature,

        String superName,

        String[] interfaces)

    {

        StringBuffer sb = new StringBuffer();

        if ((access & Opcodes.ACC_PUBLIC) != 0)

            sb.append("public ");

        if ((access & Opcodes.ACC_PRIVATE) != 0)

            sb.append("private ");

        if ((access & Opcodes.ACC_PROTECTED) != 0)

            sb.append("protected ");

        if ((access & Opcodes.ACC_FINAL) != 0)

            sb.append("final ");

        if ((access & Opcodes.ACC_SUPER) != 0)

            sb.append("super ");

        if ((access & Opcodes.ACC_INTERFACE) != 0)

            sb.append("interface ");

        if ((access & Opcodes.ACC_ABSTRACT) != 0)

            sb.append("abstract ");

        if ((access & Opcodes.ACC_SYNTHETIC) != 0)

            sb.append("synthetic ");

        if ((access & Opcodes.ACC_ANNOTATION) != 0)

            sb.append("annotation ");

        if ((access & Opcodes.ACC_ENUM) != 0)

            sb.append("enum ");

        if ((access & Opcodes.ACC_DEPRECATED) != 0)

            sb.append("deprecated ");

        AttributesImpl att = new AttributesImpl();

        att.addAttribute("", "access", "access", "", sb.toString());

        if (name != null)

            att.addAttribute("", "name", "name", "", name);

        if (signature != null)

            att.addAttribute("",

                    "signature",

                    "signature",

                    "",

                    encode(signature));

        if (superName != null)

            att.addAttribute("", "parent", "parent", "", superName);

        att.addAttribute("",

                "major",

                "major",

                "",

                Integer.toString(version & 0xFFFF));

        att.addAttribute("",

                "minor",

                "minor",

                "",

                Integer.toString(version >>> 16));

        addStart("class", att);

        addStart("interfaces", new AttributesImpl());

        if (interfaces != null && interfaces.length > 0) {

            for (int i = 0; i < interfaces.length; i++) {

                AttributesImpl att2 = new AttributesImpl();

                att2.addAttribute("", "name", "name", "", interfaces[i]);

                addElement("interface", att2);

            }

        }

        addEnd("interfaces");

    }

    public FieldVisitor visitField(

        int access,

        String name,

        String desc,

        String signature,

        Object value)

    {

        StringBuffer sb = new StringBuffer();

        if ((access & Opcodes.ACC_PUBLIC) != 0)

            sb.append("public ");

        if ((access & Opcodes.ACC_PRIVATE) != 0)

            sb.append("private ");

        if ((access & Opcodes.ACC_PROTECTED) != 0)

            sb.append("protected ");

        if ((access & Opcodes.ACC_STATIC) != 0)

            sb.append("static ");

        if ((access & Opcodes.ACC_FINAL) != 0)

            sb.append("final ");

        if ((access & Opcodes.ACC_VOLATILE) != 0)

            sb.append("volatile ");

        if ((access & Opcodes.ACC_TRANSIENT) != 0)

            sb.append("transient ");

        if ((access & Opcodes.ACC_SYNTHETIC) != 0)

            sb.append("synthetic ");

        if ((access & Opcodes.ACC_ENUM) != 0)

            sb.append("enum ");

        if ((access & Opcodes.ACC_DEPRECATED) != 0)

            sb.append("deprecated ");

        AttributesImpl att = new AttributesImpl();

        att.addAttribute("", "access", "access", "", sb.toString());

        att.addAttribute("", "name", "name", "", name);

        att.addAttribute("", "desc", "desc", "", desc);

        if (signature != null)

            att.addAttribute("",

                    "signature",

                    "signature",

                    "",

                    encode(signature));

        if (value != null) {

            att.addAttribute("", "value", "value", "", encode(value.toString()));

        }

        return new SAXFieldAdapter(getContentHandler(), att);

    }

    public MethodVisitor visitMethod(

        int access,

        String name,

        String desc,

        String signature,

        String[] exceptions)

    {

        StringBuffer sb = new StringBuffer();

        if ((access & Opcodes.ACC_PUBLIC) != 0)

            sb.append("public ");

        if ((access & Opcodes.ACC_PRIVATE) != 0)

            sb.append("private ");

        if ((access & Opcodes.ACC_PROTECTED) != 0)

            sb.append("protected ");

        if ((access & Opcodes.ACC_STATIC) != 0)

            sb.append("static ");

        if ((access & Opcodes.ACC_FINAL) != 0)

            sb.append("final ");

        if ((access & Opcodes.ACC_SYNCHRONIZED) != 0)

            sb.append("synchronized ");

        if ((access & Opcodes.ACC_BRIDGE) != 0)

            sb.append("bridge ");

        if ((access & Opcodes.ACC_VARARGS) != 0)

            sb.append("varargs ");

        if ((access & Opcodes.ACC_NATIVE) != 0)

            sb.append("native ");

        if ((access & Opcodes.ACC_ABSTRACT) != 0)

            sb.append("abstract ");

        if ((access & Opcodes.ACC_STRICT) != 0)

            sb.append("strict ");

        if ((access & Opcodes.ACC_SYNTHETIC) != 0)

            sb.append("synthetic ");

        if ((access & Opcodes.ACC_DEPRECATED) != 0)

            sb.append("deprecated ");

        AttributesImpl att = new AttributesImpl();

        att.addAttribute("", "access", "access", "", sb.toString());

        att.addAttribute("", "name", "name", "", name);

        att.addAttribute("", "desc", "desc", "", desc);

        if (signature != null) {

            att.addAttribute("", "signature", "signature", "", signature);

        }

        addStart("method", att);

        addStart("exceptions", new AttributesImpl());

        if (exceptions != null && exceptions.length > 0) {

            for (int i = 0; i < exceptions.length; i++) {

                AttributesImpl att2 = new AttributesImpl();

                att2.addAttribute("", "name", "name", "", exceptions[i]);

                addElement("exception", att2);

            }

        }

        addEnd("exceptions");

        return new SAXCodeAdapter(getContentHandler(), access);

    }

    public final void visitInnerClass(

        String name,

        String outerName,

        String innerName,

        int access)

    {

        StringBuffer sb = new StringBuffer();

        if ((access & Opcodes.ACC_PUBLIC) != 0)

            sb.append("public ");

        if ((access & Opcodes.ACC_PRIVATE) != 0)

            sb.append("private ");

        if ((access & Opcodes.ACC_PROTECTED) != 0)

            sb.append("protected ");

        if ((access & Opcodes.ACC_STATIC) != 0)

            sb.append("static ");

        if ((access & Opcodes.ACC_FINAL) != 0)

            sb.append("final ");

        if ((access & Opcodes.ACC_SUPER) != 0)

            sb.append("super ");

        if ((access & Opcodes.ACC_INTERFACE) != 0)

            sb.append("interface ");

        if ((access & Opcodes.ACC_ABSTRACT) != 0)

            sb.append("abstract ");

        if ((access & Opcodes.ACC_SYNTHETIC) != 0)

            sb.append("synthetic ");

        if ((access & Opcodes.ACC_ANNOTATION) != 0)

            sb.append("annotation ");

        if ((access & Opcodes.ACC_ENUM) != 0)

            sb.append("enum ");

        if ((access & Opcodes.ACC_DEPRECATED) != 0)

            sb.append("deprecated ");

        AttributesImpl att = new AttributesImpl();

        att.addAttribute("", "access", "access", "", sb.toString());

        if (name != null)

            att.addAttribute("", "name", "name", "", name);

        if (outerName != null)

            att.addAttribute("", "outerName", "outerName", "", outerName);

        if (innerName != null)

            att.addAttribute("", "innerName", "innerName", "", innerName);

        addElement("innerclass", att);

    }

    public final void visitEnd() {

        addEnd("class");

        if (!singleDocument) {

            addDocumentEnd();

        }

    }

    static final String encode(String s) {

        StringBuffer sb = new StringBuffer();

        for (int i = 0; i < s.length(); i++) {

            char c = s.charAt(i);

            if (c == '\\') {

                sb.append("\\\\");

            } else if (c < 0x20 || c > 0x7f) {

                sb.append("\\u");

                if (c < 0x10) {

                    sb.append("000");

                } else if (c < 0x100) {

                    sb.append("00");

                } else if (c < 0x1000) {

                    sb.append("0");

                }

                sb.append(Integer.toString(c, 16));

            } else {

                sb.append(c);

            }

        }

        return sb.toString();

    }

}