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1
2 package com.sun.org.apache.bcel.internal.util;
3
4
57
58 import com.sun.org.apache.bcel.internal.classfile.*;
59 import java.io.*;
60
61
68 final class ConstantHTML implements com.sun.org.apache.bcel.internal.Constants {
69 private String  class_name; private String class_package; private ConstantPool constant_pool; private PrintWriter file; private String [] constant_ref; private Constant[] constants; private Method[] methods;
76
77 ConstantHTML(String dir, String class_name, String class_package, Method[] methods,
78 ConstantPool constant_pool) throws IOException
79 {
80 this.class_name = class_name;
81 this.class_package = class_package;
82 this.constant_pool = constant_pool;
83 this.methods = methods;
84 constants = constant_pool.getConstantPool();
85 file = new PrintWriter(new FileOutputStream(dir + class_name + "_cp.html"));
86 constant_ref = new String [constants.length];
87 constant_ref[0] = "<unknown>";
88
89 file.println("<HTML><BODY BGCOLOR=\"#C0C0C0\"><TABLE BORDER=0>");
90
91 for(int i=1; i < constants.length; i++) {
93 if(i % 2 == 0)
94 file.print("<TR BGCOLOR=\"#C0C0C0\"><TD>");
95 else
96 file.print("<TR BGCOLOR=\"#A0A0A0\"><TD>");
97
98 if(constants[i] != null)
99 writeConstant(i);
100
101 file.print("</TD></TR>\n");
102 }
103
104 file.println("</TABLE></BODY></HTML>");
105 file.close();
106 }
107
108 String referenceConstant(int index) {
109 return constant_ref[index];
110 }
111
112 private void writeConstant(int index) {
113 byte tag = constants[index].getTag();
114 int class_index, name_index;
115 String ref;
116
117 file.println("<H4> <A NAME=cp" + index + ">" + index + "</A> " + CONSTANT_NAMES[tag] + "</H4>");
119
120
122 switch(tag) {
123 case CONSTANT_InterfaceMethodref:
124 case CONSTANT_Methodref:
125 if(tag == CONSTANT_Methodref) {
127 ConstantMethodref c = (ConstantMethodref)constant_pool.getConstant(index, CONSTANT_Methodref);
128 class_index = c.getClassIndex();
129 name_index = c.getNameAndTypeIndex();
130 }
131 else {
132 ConstantInterfaceMethodref c1 = (ConstantInterfaceMethodref)constant_pool.getConstant(index, CONSTANT_InterfaceMethodref);
133 class_index = c1.getClassIndex();
134 name_index = c1.getNameAndTypeIndex();
135 }
136
137 String method_name = constant_pool.constantToString(name_index, CONSTANT_NameAndType);
139 String html_method_name = Class2HTML.toHTML(method_name);
140
141 String method_class = constant_pool.constantToString(class_index, CONSTANT_Class);
143 String short_method_class = Utility.compactClassName(method_class); short_method_class = Utility.compactClassName(method_class); short_method_class = Utility.compactClassName(short_method_class, class_package + ".", true);
147 ConstantNameAndType c2 = (ConstantNameAndType)constant_pool.getConstant(name_index, CONSTANT_NameAndType);
149 String signature = constant_pool.constantToString(c2.getSignatureIndex(), CONSTANT_Utf8);
150 String [] args = Utility.methodSignatureArgumentTypes(signature, false);
152
153 String type = Utility.methodSignatureReturnType(signature, false);
155 String ret_type = Class2HTML.referenceType(type);
156
157 StringBuffer buf = new StringBuffer ("(");
158 for(int i=0; i < args.length; i++) {
159 buf.append(Class2HTML.referenceType(args[i]));
160 if(i < args.length - 1)
161 buf.append(", ");
162 }
163 buf.append(")");
164
165 String arg_types = buf.toString();
166
167 if(method_class.equals(class_name)) ref = "<A HREF=\"" + class_name + "_code.html#method" + getMethodNumber(method_name + signature) +
169 "\" TARGET=Code>" + html_method_name + "</A>";
170 else
171 ref = "<A HREF=\"" + method_class + ".html" + "\" TARGET=_top>" + short_method_class +
172 "</A>." + html_method_name;
173
174 constant_ref[index] = ret_type + " <A HREF=\"" + class_name + "_cp.html#cp" + class_index +
175 "\" TARGET=Constants>" +
176 short_method_class + "</A>.<A HREF=\"" + class_name + "_cp.html#cp" +
177 index + "\" TARGET=ConstantPool>" + html_method_name + "</A> " + arg_types;
178
179 file.println("<P><TT>" + ret_type + " " + ref + arg_types + " </TT>\n<UL>" +
180 "<LI><A HREF=\"#cp" + class_index + "\">Class index(" + class_index + ")</A>\n" +
181 "<LI><A HREF=\"#cp" + name_index + "\">NameAndType index(" + name_index + ")</A></UL>");
182 break;
183
184 case CONSTANT_Fieldref:
185 ConstantFieldref c3 = (ConstantFieldref)constant_pool.getConstant(index, CONSTANT_Fieldref);
187 class_index = c3.getClassIndex();
188 name_index = c3.getNameAndTypeIndex();
189
190 String field_class = constant_pool.constantToString(class_index, CONSTANT_Class);
192 String short_field_class = Utility.compactClassName(field_class); short_field_class = Utility.compactClassName(short_field_class, class_package + ".", true);
195 String field_name = constant_pool.constantToString(name_index, CONSTANT_NameAndType);
196
197 if(field_class.equals(class_name)) ref = "<A HREF=\"" + field_class + "_methods.html#field" +
199 field_name + "\" TARGET=Methods>" + field_name + "</A>";
200 else
201 ref = "<A HREF=\"" + field_class + ".html\" TARGET=_top>" +
202 short_field_class + "</A>." + field_name + "\n";
203
204 constant_ref[index] = "<A HREF=\"" + class_name + "_cp.html#cp" + class_index + "\" TARGET=Constants>" +
205 short_field_class + "</A>.<A HREF=\"" + class_name + "_cp.html#cp" +
206 index + "\" TARGET=ConstantPool>" + field_name + "</A>";
207
208 file.println("<P><TT>" + ref + "</TT><BR>\n" + "<UL>" +
209 "<LI><A HREF=\"#cp" + class_index + "\">Class(" + class_index + ")</A><BR>\n" +
210 "<LI><A HREF=\"#cp" + name_index + "\">NameAndType(" + name_index + ")</A></UL>");
211 break;
212
213 case CONSTANT_Class:
214 ConstantClass c4 = (ConstantClass)constant_pool.getConstant(index, CONSTANT_Class);
215 name_index = c4.getNameIndex();
216 String class_name2 = constant_pool.constantToString(index, tag); String short_class_name = Utility.compactClassName(class_name2); short_class_name = Utility.compactClassName(short_class_name, class_package + ".", true);
220 ref = "<A HREF=\"" + class_name2 + ".html\" TARGET=_top>" + short_class_name + "</A>";
221 constant_ref[index] = "<A HREF=\"" + class_name + "_cp.html#cp" + index +
222 "\" TARGET=ConstantPool>" + short_class_name + "</A>";
223
224 file.println("<P><TT>" + ref + "</TT><UL>" +
225 "<LI><A HREF=\"#cp" + name_index + "\">Name index(" + name_index + ")</A></UL>\n");
226 break;
227
228 case CONSTANT_String:
229 ConstantString c5 = (ConstantString)constant_pool.getConstant(index, CONSTANT_String);
230 name_index = c5.getStringIndex();
231
232 String str = Class2HTML.toHTML(constant_pool.constantToString(index, tag));
233
234 file.println("<P><TT>" + str + "</TT><UL>" +
235 "<LI><A HREF=\"#cp" + name_index + "\">Name index(" + name_index + ")</A></UL>\n");
236 break;
237
238 case CONSTANT_NameAndType:
239 ConstantNameAndType c6 = (ConstantNameAndType)constant_pool.getConstant(index, CONSTANT_NameAndType);
240 name_index = c6.getNameIndex();
241 int signature_index = c6.getSignatureIndex();
242
243 file.println("<P><TT>" + Class2HTML.toHTML(constant_pool.constantToString(index, tag)) + "</TT><UL>" +
244 "<LI><A HREF=\"#cp" + name_index + "\">Name index(" + name_index + ")</A>\n" +
245 "<LI><A HREF=\"#cp" + signature_index + "\">Signature index(" +
246 signature_index + ")</A></UL>\n");
247 break;
248
249 default:
250 file.println("<P><TT>" + Class2HTML.toHTML(constant_pool.constantToString(index, tag)) + "</TT>\n");
251 } }
253
254 private final int getMethodNumber(String str) {
255 for(int i=0; i < methods.length; i++) {
256 String cmp = methods[i].getName() + methods[i].getSignature();
257 if(cmp.equals(str))
258 return i;
259 }
260 return -1;
261 }
262 }
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