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1
9
10 package org.jboss.portal.format.render.bbcodehtml;
11
12 import org.jboss.portal.format.parser.ParseEvent;
13 import org.jboss.portal.format.parser.ParseEventHandler;
14 import org.jboss.portal.format.parser.TextEvent;
15 import org.jboss.portal.format.parser.bbcode.BBCodeParser;
16 import org.jboss.portal.format.parser.html.TagParser;
17 import org.jboss.portal.format.parser.linebreak.LineBreakParser;
18 import org.jboss.portal.format.render.AbstractRenderer;
19
20
25 public class ToTextRenderer
26 extends AbstractRenderer
27 {
28
29 private final String  PRECEDE_CODE = " | ";
30
31
34
35 private final BBCodeParser codeParser = new BBCodeParser();
36
37 private final TagParser tagParser = new TagParser();
38
39 private final LineBreakParser lineBreakParser = new LineBreakParser();
40
41
42 private int isInCode = 0;
43
44
45 private int indentLevel = 0;
46
47 public ToTextRenderer()
48 {
49 codeParser.setHandler(codeHandler);
50 tagParser.setHandler(tagHandler);
51 lineBreakParser.setHandler(lineBreakHandler);
52 }
53
54 public void render(char[] chars, int offset, int length)
55 {
56 codeParser.parse(chars, offset, length);
57 }
58
59 private ParseEventHandler codeHandler = new ParseEventHandler()
60 {
61 public void handle(ParseEvent event)
62 {
63 if (event instanceof BBCodeParser.OpenEvent)
64 {
65 BBCodeParser.OpenEvent openEvent = (BBCodeParser.OpenEvent) event;
66 String string = openEvent.getString();
67 switch (openEvent.getType())
68 {
69 case BBCodeParser.EVENT_BOLD:
70 if (isInCode == 0)
71 write("*");
72 break;
73 case BBCodeParser.EVENT_ITALIC:
74 break;
75 case BBCodeParser.EVENT_UNDERLINE:
76 break;
77 case BBCodeParser.EVENT_COLOR:
78 break;
79 case BBCodeParser.EVENT_SIZE:
80 break;
81 case BBCodeParser.EVENT_QUOTE:
82 indentLevel++;
83 write(string != null ? string : "anonymous");
84 write(" wrote : ");
85 break;
86 case BBCodeParser.EVENT_CODE:
87 isInCode++;
88 indentLevel++;
89 int count = indentLevel;
90 while (count-- > 0)
91 {
92 write(PRECEDE_CODE);
93 }
94 break;
95 case BBCodeParser.EVENT_UNORDERED_LIST:
96 indentLevel++;
97 break;
98 case BBCodeParser.EVENT_NUMERICALLY_ORDERED_LIST:
99 indentLevel++;
100 break;
101 case BBCodeParser.EVENT_ALPHABETICALLY_ORDERED_LIST:
102 indentLevel++;
103 break;
104 case BBCodeParser.EVENT_ITEM:
105 write("-> ");
106 break;
107 case BBCodeParser.EVENT_LINK:
108 write("[ " + string);
109 break;
110 }
111 }
112 else if (event instanceof BBCodeParser.CloseEvent)
113 {
114 BBCodeParser.CloseEvent closeEvent = (BBCodeParser.CloseEvent) event;
115 String string = closeEvent.getString();
116 switch (closeEvent.getType())
117 {
118 case BBCodeParser.EVENT_BOLD:
119 if (isInCode == 0)
120 write("*");
121 break;
122 case BBCodeParser.EVENT_ITALIC:
123 break;
124 case BBCodeParser.EVENT_UNDERLINE:
125 break;
126 case BBCodeParser.EVENT_COLOR:
127 break;
128 case BBCodeParser.EVENT_SIZE:
129 break;
130 case BBCodeParser.EVENT_QUOTE:
131 indentLevel--;
132 break;
133 case BBCodeParser.EVENT_CODE:
134 isInCode--;
135 indentLevel--;
136 break;
137 case BBCodeParser.EVENT_UNORDERED_LIST:
138 indentLevel--;
139 break;
140 case BBCodeParser.EVENT_NUMERICALLY_ORDERED_LIST:
141 indentLevel--;
142 break;
143 case BBCodeParser.EVENT_ALPHABETICALLY_ORDERED_LIST:
144 indentLevel--;
145 break;
146 case BBCodeParser.EVENT_ITEM:
147 break;
148 case BBCodeParser.EVENT_LINK:
149 write(" ]");
150 break;
151 }
152 }
153 else
154 {
155 TextEvent textEvent = (TextEvent) event;
156 if (isInCode > 0)
157 {
158 lineBreakParser.parse(textEvent.chars(), textEvent.offset(),
159 textEvent.length());
160 }
161 else
162 {
163 tagParser.parse(textEvent.chars(), textEvent.offset(), textEvent
164 .length());
165 }
166 }
167 }
168 };
169
170 private ParseEventHandler tagHandler = new ParseEventHandler()
171 {
172 public void handle(ParseEvent event)
173 {
174 if (event instanceof TagParser.OpenEvent)
175 {
176 }
183 else if (event instanceof TagParser.CloseEvent)
184 {
185 }
192 else
193 {
194 TextEvent textEvent = (TextEvent) event;
195 lineBreakParser.parse(textEvent.chars(), textEvent.offset(),
196 textEvent.length());
197 }
198 }
199 };
200
201
203 private ParseEventHandler lineBreakHandler = new ParseEventHandler()
204 {
205 public void handle(ParseEvent event)
206 {
207 if (event instanceof TextEvent)
208 {
209 TextEvent textEvent = (TextEvent) event;
210 write(textEvent.chars(), textEvent.offset(), textEvent.length());
211
212 }
228 else
229 {
230 lineBreak();
231 }
232 }
233
234 private void lineBreak()
235 {
236 if (indentLevel == 0)
237 {
238 ToTextRenderer.this.write("\n");
239 }
240 else
241 {
242 ToTextRenderer.this.write("\n");
243 int count = indentLevel;
244 while (count-- > 0)
245 {
246 ToTextRenderer.this.write(PRECEDE_CODE);
247 }
248 }
249 }
250 };
251 }
252 |
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