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package com.sun.org.apache.bcel.internal.util;














import java.io.FileOutputStream;







import java.io.IOException;







import java.io.PrintWriter;














import com.sun.org.apache.bcel.internal.Const;







import com.sun.org.apache.bcel.internal.classfile.Constant;







import com.sun.org.apache.bcel.internal.classfile.ConstantClass;







import com.sun.org.apache.bcel.internal.classfile.ConstantFieldref;







import com.sun.org.apache.bcel.internal.classfile.ConstantInterfaceMethodref;







import com.sun.org.apache.bcel.internal.classfile.ConstantMethodref;







import com.sun.org.apache.bcel.internal.classfile.ConstantNameAndType;







import com.sun.org.apache.bcel.internal.classfile.ConstantPool;







import com.sun.org.apache.bcel.internal.classfile.ConstantString;







import com.sun.org.apache.bcel.internal.classfile.Method;







import com.sun.org.apache.bcel.internal.classfile.Utility;














/**







 * Convert constant pool into HTML file.







 *







 * @version $Id: ConstantHTML.java 1749603 2016-06-21 20:50:19Z ggregory $







 *







 */







final class ConstantHTML {














    private final String class_name; // name of current class







    private final String class_package; // name of package







    private final ConstantPool constant_pool; // reference to constant pool







    private final PrintWriter file; // file to write to







    private final String[] constant_ref; // String to return for cp[i]







    private final Constant[] constants; // The constants in the cp







    private final Method[] methods;





















    ConstantHTML(final String dir, final String class_name, final String class_package,







            final Method[] methods, final ConstantPool constant_pool) throws IOException {







        this.class_name = class_name;







        this.class_package = class_package;







        this.constant_pool = constant_pool;







        this.methods = methods;







        constants = constant_pool.getConstantPool();







        file = new PrintWriter(new FileOutputStream(dir + class_name + "_cp.html"));







        constant_ref = new String[constants.length];







        constant_ref[0] = "<unknown>";







        file.println("<HTML><BODY BGCOLOR=\"#C0C0C0\"><TABLE BORDER=0>");







        // Loop through constants, constants[0] is reserved







        for (int i = 1; i < constants.length; i++) {







            if (i % 2 == 0) {







                file.print("<TR BGCOLOR=\"#C0C0C0\"><TD>");







            } else {







                file.print("<TR BGCOLOR=\"#A0A0A0\"><TD>");







            }







            if (constants[i] != null) {







                writeConstant(i);







            }







            file.print("</TD></TR>\n");







        }







        file.println("</TABLE></BODY></HTML>");







        file.close();







    }





















    String referenceConstant( final int index ) {







        return constant_ref[index];







    }





















    private void writeConstant( final int index ) {







        final byte tag = constants[index].getTag();







        int class_index;







        int name_index;







        String ref;







        // The header is always the same







        file.println("<H4> <A NAME=cp" + index + ">" + index + "</A> " + Const.getConstantName(tag)







                + "</H4>");







        /* For every constant type get the needed parameters and print them appropiately







         */







        switch (tag) {







            case Const.CONSTANT_InterfaceMethodref:







            case Const.CONSTANT_Methodref:







                // Get class_index and name_and_type_index, depending on type







                if (tag == Const.CONSTANT_Methodref) {







                    final ConstantMethodref c = (ConstantMethodref) constant_pool.getConstant(index,







                            Const.CONSTANT_Methodref);







                    class_index = c.getClassIndex();







                    name_index = c.getNameAndTypeIndex();







                } else {







                    final ConstantInterfaceMethodref c1 = (ConstantInterfaceMethodref) constant_pool







                            .getConstant(index, Const.CONSTANT_InterfaceMethodref);







                    class_index = c1.getClassIndex();







                    name_index = c1.getNameAndTypeIndex();







                }







                // Get method name and its class







                final String method_name = constant_pool.constantToString(name_index,







                        Const.CONSTANT_NameAndType);







                final String html_method_name = Class2HTML.toHTML(method_name);







                // Partially compacted class name, i.e., / -> .







                final String method_class = constant_pool.constantToString(class_index, Const.CONSTANT_Class);







                String short_method_class = Utility.compactClassName(method_class); // I.e., remove java.lang.







                short_method_class = Utility.compactClassName(short_method_class, class_package







                        + ".", true); // Remove class package prefix







                // Get method signature







                final ConstantNameAndType c2 = (ConstantNameAndType) constant_pool.getConstant(







                        name_index, Const.CONSTANT_NameAndType);







                final String signature = constant_pool.constantToString(c2.getSignatureIndex(),







                        Const.CONSTANT_Utf8);







                // Get array of strings containing the argument types







                final String[] args = Utility.methodSignatureArgumentTypes(signature, false);







                // Get return type string







                final String type = Utility.methodSignatureReturnType(signature, false);







                final String ret_type = Class2HTML.referenceType(type);







                final StringBuilder buf = new StringBuilder("(");







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







                    buf.append(Class2HTML.referenceType(args[i]));







                    if (i < args.length - 1) {







                        buf.append(",&nbsp;");







                    }







                }







                buf.append(")");







                final String arg_types = buf.toString();







                if (method_class.equals(class_name)) {







                    ref = "<A HREF=\"" + class_name + "_code.html#method"







                            + getMethodNumber(method_name + signature) + "\" TARGET=Code>"







                            + html_method_name + "</A>";







                } else {







                    ref = "<A HREF=\"" + method_class + ".html" + "\" TARGET=_top>"







                            + short_method_class + "</A>." + html_method_name;







                }







                constant_ref[index] = ret_type + "&nbsp;<A HREF=\"" + class_name + "_cp.html#cp"







                        + class_index + "\" TARGET=Constants>" + short_method_class







                        + "</A>.<A HREF=\"" + class_name + "_cp.html#cp" + index







                        + "\" TARGET=ConstantPool>" + html_method_name + "</A>&nbsp;" + arg_types;







                file.println("<P><TT>" + ret_type + "&nbsp;" + ref + arg_types







                        + "&nbsp;</TT>\n<UL>" + "<LI><A HREF=\"#cp" + class_index







                        + "\">Class index(" + class_index + ")</A>\n" + "<LI><A HREF=\"#cp"







                        + name_index + "\">NameAndType index(" + name_index + ")</A></UL>");







                break;







            case Const.CONSTANT_Fieldref:







                // Get class_index and name_and_type_index







                final ConstantFieldref c3 = (ConstantFieldref) constant_pool.getConstant(index,







                        Const.CONSTANT_Fieldref);







                class_index = c3.getClassIndex();







                name_index = c3.getNameAndTypeIndex();







                // Get method name and its class (compacted)







                final String field_class = constant_pool.constantToString(class_index, Const.CONSTANT_Class);







                String short_field_class = Utility.compactClassName(field_class); // I.e., remove java.lang.







                short_field_class = Utility.compactClassName(short_field_class,







                        class_package + ".", true); // Remove class package prefix







                final String field_name = constant_pool







                        .constantToString(name_index, Const.CONSTANT_NameAndType);







                if (field_class.equals(class_name)) {







                    ref = "<A HREF=\"" + field_class + "_methods.html#field" + field_name







                            + "\" TARGET=Methods>" + field_name + "</A>";







                } else {







                    ref = "<A HREF=\"" + field_class + ".html\" TARGET=_top>" + short_field_class







                            + "</A>." + field_name + "\n";







                }







                constant_ref[index] = "<A HREF=\"" + class_name + "_cp.html#cp" + class_index







                        + "\" TARGET=Constants>" + short_field_class + "</A>.<A HREF=\""







                        + class_name + "_cp.html#cp" + index + "\" TARGET=ConstantPool>"







                        + field_name + "</A>";







                file.println("<P><TT>" + ref + "</TT><BR>\n" + "<UL>" + "<LI><A HREF=\"#cp"







                        + class_index + "\">Class(" + class_index + ")</A><BR>\n"







                        + "<LI><A HREF=\"#cp" + name_index + "\">NameAndType(" + name_index







                        + ")</A></UL>");







                break;







            case Const.CONSTANT_Class:







                final ConstantClass c4 = (ConstantClass) constant_pool.getConstant(index, Const.CONSTANT_Class);







                name_index = c4.getNameIndex();







                final String class_name2 = constant_pool.constantToString(index, tag); // / -> .







                String short_class_name = Utility.compactClassName(class_name2); // I.e., remove java.lang.







                short_class_name = Utility.compactClassName(short_class_name, class_package + ".",







                        true); // Remove class package prefix







                ref = "<A HREF=\"" + class_name2 + ".html\" TARGET=_top>" + short_class_name







                        + "</A>";







                constant_ref[index] = "<A HREF=\"" + class_name + "_cp.html#cp" + index







                        + "\" TARGET=ConstantPool>" + short_class_name + "</A>";







                file.println("<P><TT>" + ref + "</TT><UL>" + "<LI><A HREF=\"#cp" + name_index







                        + "\">Name index(" + name_index + ")</A></UL>\n");







                break;







            case Const.CONSTANT_String:







                final ConstantString c5 = (ConstantString) constant_pool.getConstant(index,







                        Const.CONSTANT_String);







                name_index = c5.getStringIndex();







                final String str = Class2HTML.toHTML(constant_pool.constantToString(index, tag));







                file.println("<P><TT>" + str + "</TT><UL>" + "<LI><A HREF=\"#cp" + name_index







                        + "\">Name index(" + name_index + ")</A></UL>\n");







                break;







            case Const.CONSTANT_NameAndType:







                final ConstantNameAndType c6 = (ConstantNameAndType) constant_pool.getConstant(index,







                        Const.CONSTANT_NameAndType);







                name_index = c6.getNameIndex();







                final int signature_index = c6.getSignatureIndex();







                file.println("<P><TT>"







                        + Class2HTML.toHTML(constant_pool.constantToString(index, tag))







                        + "</TT><UL>" + "<LI><A HREF=\"#cp" + name_index + "\">Name index("







                        + name_index + ")</A>\n" + "<LI><A HREF=\"#cp" + signature_index







                        + "\">Signature index(" + signature_index + ")</A></UL>\n");







                break;







            default:







                file.println("<P><TT>" + Class2HTML.toHTML(constant_pool.constantToString(index, tag)) + "</TT>\n");







        } // switch







    }





















    private int getMethodNumber( final String str ) {







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







            final String cmp = methods[i].getName() + methods[i].getSignature();







            if (cmp.equals(str)) {







                return i;







            }







        }







        return -1;







    }







}






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