1 /* FOREGEJ - FOrmatting REfactoring GEnerating Java
2 *
3 * Copyright (C) 2003 Andreas Arrgard
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19 package com.octagroup.foregej.html;
20 import antlr.collections.AST;
21 import com.octagroup.foregej.antlr.BaseAST;
22 import com.octagroup.foregej.antlr.NodeWriter;
23 import com.octagroup.foregej.html.ast.Tag;
24 import com.octagroup.foregej.java.doc.ast.JTag;
25 /***
26 */
27 public class HtmlNodeWriter extends NodeWriter
28 {
29 private BaseAST lastAST_=null;
30 /***
31 * Before a html ast is written we must determine if there were one or
32 * more whitespaces before.
33 *
34 * @param ast
35 */
36 public void write(AST ast)
37 {
38 if(lastAST_!=null) {
39 writeHiddenBetween(lastAST_, (BaseAST)ast);
40 }
41 lastAST_=(BaseAST)ast;
42 super.write(ast);
43 }
44 /***
45 * @param lastAST
46 * @param ast
47 */
48 private void writeHiddenBetween(BaseAST lastAST,BaseAST ast)
49 {
50 if(ast instanceof JTag) {
51 return;
52 }
53 if(lastAST instanceof Tag||ast instanceof Tag) {
54 if(ast.getParentAst()!=lastAST) {
55 return;
56 }
57 }
58 if(lastAST.getHiddenAfter()==null) {
59 return;
60 }
61 write(" ");
62 }
63 }
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