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package tex4ht;
/**********************************************************/
/* DbUtilities.java 2008-11-14-02:41 */
/* Copyright (C) 2008 Eitan M. Gurari */
/* */
/* This work may be distributed and/or modified under the */
/* conditions of the LaTeX Project Public License, either */
/* version 1.3 of this license or (at your option) any */
/* later version. The latest version of this license is */
/* in */
/* http://www.latex-project.org/lppl.txt */
/* and version 1.3 or later is part of all distributions */
/* of LaTeX version 2003/12/01 or later. */
/* */
/* This work has the LPPL maintenance status "maintained".*/
/* */
/* This Current Maintainer of this work */
/* is Eitan M. Gurari. */
/* */
/* gurari@cse.ohio-state.edu */
/* http://www.cse.ohio-state.edu/~gurari */
/**********************************************************/
import org.w3c.dom.*;
public class DbUtilities {
public static void cline(Node dom) {
Node row, entry, para, nextrow;
Node node = dom.getFirstChild();
if( node != null ){
row = node.getLastChild();
while( (row != null)
&& ( (entry = row.getLastChild()) != null)
&& ( (para = entry.getFirstChild()) != null)
&& ( para.getNextSibling() == null)
&& ( para.getFirstChild() == null)
){
node.removeChild(row);
row = node.getLastChild();
}
row = node.getFirstChild();
while( row != null ){
if( (row.getNodeType() == Node.ELEMENT_NODE)
&& ((Element) row).getAttribute("rowsep").equals("")
&& !((Element) row).getAttribute("role" ).equals("cline")
&& ((nextrow = row.getNextSibling()) != null)
&& (nextrow.getNodeType() == Node.ELEMENT_NODE)
&& ((Element) nextrow).getAttribute("role" ).equals("cline")
){
boolean compatible = true;
Node entry1 = row.getFirstChild();
Node entry2 = nextrow.getFirstChild();
while( true ){
if( (entry1 == null) || (entry2 == null) ){ break; }
int range;
try{
range =
Integer.parseInt( ((Element) entry1).getAttribute("nameend") )
-
Integer.parseInt( ((Element) entry1).getAttribute("namest") )
+
1;
} catch( Exception e){ range = 1;}
if( range > 1 ){
String rowsep = ((Element) entry2).getAttribute("rowsep");
while( --range > 0 ){
entry2 = entry2.getNextSibling();
if( entry2 == null ){
compatible = false;
break;
}
String value = ((Element) entry2).getAttribute("rowsep");
if( !value.equals( rowsep ) ){
compatible = false;
break;
}
}
}
if( !compatible ){ break; }
entry1 = entry1.getNextSibling();
entry2 = entry2.getNextSibling();
}
if( compatible ){
entry1 = row.getFirstChild();
entry2 = nextrow.getFirstChild();
while( true ){
if( (entry1 == null) || (entry2 == null) ){ break; }
int range;
try{
range =
Integer.parseInt( ((Element) entry1).getAttribute("nameend") )
-
Integer.parseInt( ((Element) entry1).getAttribute("namest") )
+
1;
} catch( Exception e){ range = 1;}
((Element) entry1).setAttribute(
"rowsep",
((Element) entry2).getAttribute("rowsep") );
while( --range > 0 ){
entry2 = entry2.getNextSibling();
}
entry1 = entry1.getNextSibling();
entry2 = entry2.getNextSibling();
}
node.removeChild(nextrow);
}
}
row = row.getNextSibling();
}
}
}
public static void para(Node dom) {
Node pNode = dom.getFirstChild();
if( pNode.hasChildNodes() ){
Node child = pNode.getFirstChild();
if( child != null ){
if( (child.getNodeType() == Node.TEXT_NODE)
&&
((Text) child).getWholeText().trim().equals("")
){
pNode.removeChild( child );
} } }
if( pNode.hasChildNodes() ){
Node child = pNode.getLastChild();
if( child != null ){
if( (child.getNodeType() == Node.TEXT_NODE)
&&
((Text) child).getWholeText().trim().equals("")
){
pNode.removeChild( child );
} } }
if( pNode.hasChildNodes() ){
Node child = pNode.getFirstChild();
if( (child != null)
&& (child.getNextSibling() == null)
&& (child.getNodeType() == Node.TEXT_NODE)
){
String txt = ((Text) child).getWholeText();
String trm = txt.trim();
if( !trm.equals(txt) ){
((Text)child).replaceWholeText(trm);
} } }
}
}
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