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/Users/lyon/j4p/src/gui/htmlconverter/JavaStream.java
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1 package gui.htmlconverter;
2
3 import java.io.*;
4
5 public class JavaStream extends BufferedReader
6 implements JavaText, CText, CplusplusText {
7
8 private JavaHtmlString mainText = new JavaHtmlString();
9 private JavaHtmlString comments = new JavaHtmlString();
10 private JavaHtmlString strings = new JavaHtmlString();
11 private JavaHtmlString keywords = new JavaHtmlString();
12 private boolean lineNumbers = false;
13 private boolean justOutputPublic = false;
14 private DataOutputStream dos;
15 private static String[] reservedWords = javaReservedWords;
16
17 JavaStream(DataInputStream s0, DataOutputStream s1) {
18 //super(new BufferedInputStream(s0));
19 super(new InputStreamReader(s0));
20 dos = s1;
21 }
22
23 public void convertToHtml() {
24 int index;
25 boolean isCommentedOut = false;
26 boolean isQuoted = false;
27 boolean isSingleQuoted = false;
28 String line;
29 String str1, str2;
30 int lineNumber = 1;
31
32 try {
33 while ((line = readLine()) != null) {
34 if (justOutputPublic &&
35 (line.lastIndexOf("public") == -1)
36 )
37 continue;
38 // only output public classes
39
40 // output a line number for each line.
41 if (lineNumbers)
42 line = lineNumber + ".\t" + line;
43 lineNumber++;
44
45 // for replacing \t with four spaces
46 for (int counter = 0; counter < line.length(); counter++) {
47 index = line.indexOf("\t", counter);
48 if (index < 0) break;
49 // if \t is not find then break this loop
50 line = line.substring(0, index) + " "
51 + line.substring(index + 1, line.length());
52 // replace \t to four spaces;
53 counter = index + 4;
54 // update counter
55 }
56
57 // for replacing "<" to "<"
58
59 for (int counter = 0; counter < line.length(); counter++) {
60 index = line.indexOf("<", counter);
61 if (index < 0) break;
62 // if < is not find then break this loop
63 line = line.substring(0, index) + "<"
64 + line.substring(index + 1, line.length());
65 // replace < to <
66 counter = index + 4;
67 // update counter
68 }
69
70 while (line != "") {
71 if (isCommentedOut) {
72 index = line.indexOf("*/");
73 if (index >= 0) {
74 // if "*/" exists then
75 isCommentedOut = false;
76 dos.writeBytes(line.substring(0, index) + "*/"
77 + comments.postf);
78 if (index + 2 < line.length())
79 line = line.substring(index + 2, line.length());
80 else
81 break;
82 // break this loop
83 } else {
84 dos.writeBytes(line);
85 break; // break this loop and get next line
86 }
87 } else if (isQuoted) {
88 index = line.indexOf("\"");
89 if (index == 0 || index > 0 && line.indexOf("\\") != index - 1) {
90 // if "\"" exists then
91 isQuoted = false;
92 dos.writeBytes(line.substring(0, index) + "\"" + strings.postf);
93 if (index + 1 < line.length())
94 line = line.substring(index + 1, line.length());
95 else
96 break; // break this loop and get next line
97 } else if (index > 0 && line.indexOf("\\") == index - 1) {
98 dos.writeBytes(line.substring(0, index + 1));
99 line = line.substring(index + 1, line.length());
100 }
101 } else if (isSingleQuoted) { // added this block on 11/4
102 index = line.indexOf("'");
103 if (index == 0 || index > 0 && line.indexOf("\\") != index - 1) {
104 // if "'" exists then
105 isSingleQuoted = false;
106 dos.writeBytes(line.substring(0, index) + "'");
107 if (index + 1 < line.length())
108 line = line.substring(index + 1, line.length());
109 else
110 break; // break this loop and get next line
111 } else if (index > 0 && line.indexOf("\\") == index - 1) {
112 dos.writeBytes(line.substring(0, index + 1));
113 line = line.substring(index + 1, line.length());
114 }
115 } else {
116 int index1 = line.indexOf("/*");
117 int index2 = line.indexOf("//");
118 int index3 = line.indexOf("\"");
119 int index4 = line.indexOf("'"); // added on 11/4
120 if (index1 < 0) index1 = 99999;
121 if (index2 < 0) index2 = 99999;
122 if (index3 < 0) index3 = 99999;
123 if (index4 < 0) index4 = 99999; // added on 11/4
124
125 // if "/*" is lefter than "//" and "\""
126 if (index1 < index2 && index1 < index3 && index1 < index4) {
127 // modified on 11/4
128 isCommentedOut = true;
129 if (index1 > 0)
130 print(line.substring(0, index1), 0, 0);
131 dos.writeBytes(comments.pref + "/*");
132 line = line.substring(index1 + 2, line.length());
133 // if "//" is lefter than "/*" and "\""
134 } else if (index2 < index1 && index2 < index3 && index2 < index4) {
135 // modified on 11/4
136 if (index2 > 0)
137 print(line.substring(0, index2), 0, 0);
138 dos.writeBytes(comments.pref + "//"
139 + line.substring(index2 + 2, line.length()) + comments.postf);
140 break; // break this loop and get next line
141 // if "\"" is lefter than "//" and "/*"
142 } else if (index3 < index1 && index3 < index2 && index3 < index4) {
143 // modified on 11/4
144 isQuoted = true;
145 if (index3 > 0)
146 print(line.substring(0, index3), 0, 0);
147 dos.writeBytes(strings.pref + "\"");
148 line = line.substring(index3 + 1, line.length());
149 } else if (index4 < index1 && index4 < index2 && index4 < index3) {
150 // added on 11/4
151 isSingleQuoted = true;
152 if (index4 > 0)
153 print(line.substring(0, index4), 0, 0);
154 dos.writeBytes("'");
155 line = line.substring(index4 + 1, line.length());
156 } else {
157 print(line, 0, 0);
158 break;
159 }
160 }
161 }
162 dos.writeBytes("\n");
163 }
164 } catch (IOException e) {
165 }
166 }
167
168
169 public void print(String line, int offset, int index) {
170 try {
171 if (index >= reservedWords.length) {
172 dos.writeBytes(line);
173 return;
174 }
175
176 if (offset == 0)
177 offset = line.indexOf(reservedWords[index]);
178
179 if (offset >= 0) {
180 char beforeKeyword = ' ';
181 char afterKeyword = ' ';
182
183 if (offset - 1 >= 0)
184 beforeKeyword = line.charAt(offset - 1);
185 if (offset + reservedWords[index].length() < line.length())
186 afterKeyword = line.charAt(offset + reservedWords[index].length());
187
188 switch (beforeKeyword) {
189 case ' ':
190 case '\t':
191 case '\r':
192 case '(':
193 case '{':
194 case ')':
195 case ':':
196 case ';':
197 case '.':
198 case ',':
199 switch (afterKeyword) {
200 case ' ':
201 case '\t':
202 case '\r':
203 case '(':
204 case '{':
205 case ')':
206 case ':':
207 case ';':
208 case '.':
209 case ',':
210 String str1 = line.substring(0, offset);
211 String str2 = line.substring(offset + reservedWords[index].length(),
212 line.length());
213 line = str1 + keywords.pref + reservedWords[index] + keywords.postf + str2;
214
215 offset = line.indexOf(reservedWords[index],
216 offset + keywords.pref.length() + reservedWords[index].length()
217 + keywords.postf.length());
218
219 print(line, offset, index);
220 return;
221 }
222 }
223 }
224 print(line, 0, index + 1);
225 } catch (IOException e) {
226 }
227 return;
228 }
229
230 public JavaHtmlString getMainText() {
231 return mainText;
232 }
233
234 public void setMainText(JavaHtmlString mainText) {
235 this.mainText = mainText;
236 }
237
238 public JavaHtmlString getComments() {
239 return comments;
240 }
241
242 public void setComments(JavaHtmlString comments) {
243 this.comments = comments;
244 }
245
246 public JavaHtmlString getStrings() {
247 return strings;
248 }
249
250 public void setStrings(JavaHtmlString strings) {
251 this.strings = strings;
252 }
253
254 public JavaHtmlString getKeywords() {
255 return keywords;
256 }
257
258 public void setKeywords(JavaHtmlString keywords) {
259 this.keywords = keywords;
260 }
261
262 public boolean isLineNumbers() {
263 return lineNumbers;
264 }
265
266 public void setLineNumbers(boolean lineNumbers) {
267 this.lineNumbers = lineNumbers;
268 }
269
270 public boolean isJustOutputPublic() {
271 return justOutputPublic;
272 }
273
274 public void setJustOutputPublic(boolean justOutputPublic) {
275 this.justOutputPublic = justOutputPublic;
276 }
277
278 public DataOutputStream getDos() {
279 return dos;
280 }
281
282 public void setDos(DataOutputStream dos) {
283 this.dos = dos;
284 }
285
286 public static String[] getReservedWords() {
287 return reservedWords;
288 }
289
290 public static void setReservedWords(String[] reservedWords) {
291 JavaStream.reservedWords = reservedWords;
292 }
293
294 }
295