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import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import java.util.Stack;
public class VHDLFile extends ParsableXML
{
private static final XPathExpression XPE_FIND_ENTITIES;
private static final XPathExpression XPE_FIND_ARCHITECTURES;
static
{
XPE_FIND_ENTITIES =
XMLManager.compile_or_die
(
"./*/*/library_unit[@kind=\"entity_declaration\"]"
);
XPE_FIND_ARCHITECTURES =
XMLManager.compile_or_die
(
"./*/*/library_unit[@kind=\"architecture_body\"]"
);
}
public VHDLFile
(
final IDs parent_id,
final Node xml_node
)
{
super(parent_id, xml_node);
}
@Override
public void parse
(
final Stack<ParsableXML> waiting_list
)
throws XPathExpressionException
{
final String xml_id;
final IDs local_id;
xml_id = XMLManager.get_attribute(xml_node, "id");
local_id = IDs.get_id_from_xml_id(xml_id, "file");
/** Functions ***********************************************************/
handle_function_filename(local_id);
/** Predicates **********************************************************/
/** Children ************************************************************/
handle_child_entities(local_id, waiting_list);
handle_child_architectures(local_id, waiting_list);
}
/***************************************************************************/
/** Functions **************************************************************/
/***************************************************************************/
private void handle_function_filename
(
final IDs local_id
)
{
Functions.add_entry
(
"filename",
local_id,
Strings.get_id_from_string
(
XMLManager.get_attribute(xml_node, "file")
)
);
}
/***************************************************************************/
/** Children ***************************************************************/
/***************************************************************************/
private void handle_child_entities
(
final IDs local_id,
final Stack<ParsableXML> waiting_list
)
throws XPathExpressionException
{
final NodeList entities;
final int children_count;
entities =
(NodeList) XPE_FIND_ENTITIES.evaluate
(
xml_node,
XPathConstants.NODESET
);
children_count = entities.getLength();
for (int i = 0; i < children_count; ++i)
{
waiting_list.push(new VHDLEntity(local_id, entities.item(i)));
}
}
private void handle_child_architectures
(
final IDs local_id,
final Stack<ParsableXML> waiting_list
)
throws XPathExpressionException
{
final NodeList architectures;
final int children_count;
architectures =
(NodeList) XPE_FIND_ARCHITECTURES.evaluate
(
xml_node,
XPathConstants.NODESET
);
children_count = architectures.getLength();
for (int i = 0; i < children_count; ++i)
{
waiting_list.push
(
new VHDLArchitecture(local_id, architectures.item(i))
);
}
}
}
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