/*
* eXist Open Source Native XML Database
* Copyright (C) 2008-2010 The eXist Project
* http://exist-db.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package org.exist.xslt.expression;
import java.util.Set;
import org.exist.interpreter.ContextAtExist;
import org.exist.xquery.XPathException;
import org.exist.xquery.util.ExpressionDumper;
import org.exist.xquery.value.Item;
import org.exist.xquery.value.Sequence;
import org.exist.xquery.value.ValueSequence;
import org.exist.xslt.XSLContext;
import org.w3c.dom.Attr;
/**
* <!-- Category: declaration -->
* <xsl:attribute-set
* name = qname
* use-attribute-sets? = qnames>
* <!-- Content: xsl:attribute* -->
* </xsl:attribute-set>
*
* @author <a href="mailto:shabanovd@gmail.com">Dmitriy Shabanov</a>
*
*/
public class AttributeSet extends Declaration {
private String name = null;
private String use_attribute_sets = null;
private String delay_use_attribute_sets = null;
public AttributeSet(XSLContext context) {
super(context);
}
public AttributeSet(XSLContext context, String name) {
super(context);
delay_use_attribute_sets = name;
}
public void setToDefaults() {
name = null;
use_attribute_sets = null;
}
public void prepareAttribute(ContextAtExist context, Attr attr) throws XPathException {
String attr_name = attr.getLocalName();
if (attr_name.equals(NAME)) {
name = attr.getValue();
} else if (attr_name.equals(USE_ATTRIBUTE_SETS)) {
use_attribute_sets = attr.getValue();
}
}
public String getName() {
return name;
}
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
Sequence result = new ValueSequence();
if (use_attribute_sets != null) {
result.addAll(
((XSLContext)context).getXSLStylesheet()
.attributeSet(use_attribute_sets, contextSequence, contextItem)
);
} else if (delay_use_attribute_sets != null) {
return getXSLContext().getXSLStylesheet().attributeSet(delay_use_attribute_sets, contextSequence, contextItem);
}
result.addAll( super.eval(contextSequence, contextItem) );
return result;
}
/* (non-Javadoc)
* @see org.exist.xquery.Expression#dump(org.exist.xquery.util.ExpressionDumper)
*/
public void dump(ExpressionDumper dumper) {
dumper.display("<xsl:attribute-set");
if (name != null) {
dumper.display(" name = ");
dumper.display(name);
}
if (use_attribute_sets != null) {
dumper.display(" use-attribute-sets = ");
dumper.display(use_attribute_sets);
}
dumper.display(">");
super.dump(dumper);
dumper.display("</xsl:attribute-set>");
}
public String toString() {
StringBuilder result = new StringBuilder();
result.append("<xsl:attribute-set");
if (name != null)
result.append(" name = "+name.toString());
if (use_attribute_sets != null)
result.append(" use-attribute-sets = "+use_attribute_sets.toString());
result.append("> ");
result.append(super.toString());
result.append("</xsl:attribute-set> ");
return result.toString();
}
}