CaRMtl/rene/util/xml/XmlTree.java

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/*
Copyright 2006 Rene Grothmann, modified by Eric Hakenholz
This file is part of C.a.R. software.
C.a.R. is a free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3 of the License.
C.a.R. is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package rene.util.xml;
import java.util.Enumeration;
import java.util.Vector;
import rene.util.list.ListElement;
import rene.util.list.Tree;
import rene.util.parser.StringParser;
public class XmlTree extends Tree implements Enumeration {
public XmlTree(final XmlTag t) {
super(t);
}
public XmlTag getTag() {
return (XmlTag) content();
}
public XmlTree xmlFirstContent() {
if (firstchild() != null)
return (XmlTree) firstchild();
else
return null;
}
public boolean isText() {
if (!haschildren())
return true;
if (firstchild() != lastchild())
return false;
final XmlTree t = (XmlTree) firstchild();
final XmlTag tag = t.getTag();
if (!(tag instanceof XmlTagText))
return false;
return true;
}
public String getText() {
if (!haschildren())
return "";
final XmlTree t = (XmlTree) firstchild();
final XmlTag tag = t.getTag();
return ((XmlTagText) tag).getContent();
}
ListElement Current;
public Enumeration getContent() {
Current = children().first();
return this;
}
public boolean hasMoreElements() {
return Current != null;
}
public Object nextElement() {
if (Current == null)
return null;
final XmlTree c = (XmlTree) (Current.content());
Current = Current.next();
return c;
}
public String parseComment() throws XmlReaderException {
final StringBuffer s = new StringBuffer();
final Enumeration e = getContent();
while (e.hasMoreElements()) {
final XmlTree tree = (XmlTree) e.nextElement();
final XmlTag tag = tree.getTag();
if (tag.name().equals("P")) {
if (!tree.haschildren())
s.append("\n");
else {
final XmlTree h = tree.xmlFirstContent();
String k = ((XmlTagText) h.getTag()).getContent();
k = k.replace('\n', ' ');
final StringParser p = new StringParser(k);
final Vector v = p.wraplines(1000);
for (int i = 0; i < v.size(); i++) {
s.append((String) v.elementAt(i));
s.append("\n");
}
}
} else if (tag instanceof XmlTagText) {
final String k = ((XmlTagText) tag).getContent();
final StringParser p = new StringParser(k);
final Vector v = p.wraplines(1000);
for (int i = 0; i < v.size(); i++) {
s.append((String) v.elementAt(i));
s.append("\n");
}
} else
throw new XmlReaderException("<" + tag.name()
+ "> not proper here.");
}
return s.toString();
}
}