private static EntityPositionInfo getEntityPosition(
XPathNavigator current_node)
{
EntityPositionInfo result = new EntityPositionInfo();
//Search for position.
XPathNavigator search_node = current_node;
while (search_node != null)
{
string line = search_node.GetAttribute("line", XML_POS_NS);
string column =
search_node.GetAttribute("column", XML_POS_NS);
if (line != String.Empty && result.line_start == 0)
{
result.line_start = Convert.ToInt32(line);
}
if (column != String.Empty && result.col_start == 0)
{
result.col_start = Convert.ToInt32(column);
}
if (result.line_start != 0 && result.col_start != 0)
{
break;
}
XPathNodeIterator iter = search_node.SelectChildren(
XPathNodeType.Element);
if (iter.MoveNext())
{
search_node = iter.Current;
}
else
{
search_node = null;
}
}
if (result.line_start == 0 || result.col_start == 0)
{
throw new Exception("Line/column of a source code entity " +
"could not be found.");
}
string[] lines = Regex.Split(current_node.Value, "\r\n|\r|\n");
result.line_end = result.line_start + (lines.Length - 1);
result.col_end = lines.Length > 1 ? lines[lines.Length - 1].Length :
result.col_start + lines[0].Length;
return(result);
}
private static void collectEntitiesByType(SourceCodeEntitiesFile scef,
XPathNavigator navigator, string srcml_name, SourceCodeEntityType type,
string name_xpath, Dictionary <string, string> parent_names)
{
XPathNodeIterator iterator = (XPathNodeIterator)navigator.Evaluate(
"//*[local-name() = '" + srcml_name + "']");
while (iterator.MoveNext())
{
XPathNavigator element = iterator.Current;
EntityPositionInfo position = getEntityPosition(element);
string name = "";
XPathNodeIterator search_name = (XPathNodeIterator)
element.Evaluate(name_xpath);
if (search_name.MoveNext())
{
name = search_name.Current.Value;
}
Stack <string> fully_qualified_name = new Stack <string>();
while (element.MoveToParent())
{
if (parent_names.ContainsKey(element.Name))
{
search_name =
(XPathNodeIterator)element.Evaluate(parent_names[element.Name]);
if (search_name.MoveNext())
{
fully_qualified_name.Push(search_name.Current.Value);
}
}
}
SourceCodeEntity sce = new SourceCodeEntity();
sce.LineStart = position.line_start;
sce.LineEnd = position.line_end;
sce.ColumnStart = position.col_start;
sce.ColumnEnd = position.col_end;
sce.Type = type;
sce.Name = name;
while (fully_qualified_name.Count > 0)
{
sce.FullyQualifiedName.Add(fully_qualified_name.Pop());
}
sce.parent_file = scef;
scef.Add(sce);
}
}
