public static DataFormat ParseDataFormatXmLFile(Url url)
{
if (url == null)
{
throw new ConcurrentGraphException("The data format specification file cannot be found.");
}
string dataFormatName;
List <ColumnDescription> columns = new List <ColumnDescription>();
XmlDocument document = new XmlDocument();
document.Load(url.OpenStream());
XmlElement root = document.DocumentElement;
if (root.Name.Equals("dataformat"))
{
dataFormatName = root.GetAttribute("name");
}
else
{
throw new ConcurrentGraphException("Data format specification file must contain one 'dataformat' element. ");
}
XmlNodeList cols = root.GetElementsByTagName("column");
int i = 0;
for (; i < cols.Count; i++)
{
XmlElement col = (XmlElement)cols[i];
ColumnDescription column = new ColumnDescription(i, col.GetAttribute("name"), ColumnDescription.GetCategory(col.GetAttribute("category")), ColumnDescription.GetType(col.GetAttribute("type")), col.GetAttribute("default"), false);
columns.Add(column);
}
columns.Add(new ColumnDescription(i++, "PPPATH", ColumnDescription.DependencyEdgeLabel, ColumnDescription.String, "_", true));
columns.Add(new ColumnDescription(i++, "PPLIFTED", ColumnDescription.DependencyEdgeLabel, ColumnDescription.String, "_", true));
columns.Add(new ColumnDescription(i, "PPCOVERED", ColumnDescription.DependencyEdgeLabel, ColumnDescription.String, "_", true));
return(new DataFormat(dataFormatName, columns));
}
public virtual ColumnDescription GetColumnDescription(string columnName)
{
ColumnDescription columnDescription = columnMap[columnName];
if (columnDescription != null)
{
return(columnDescription);
}
foreach (ColumnDescription description in columns)
{
if (description.Name.Equals(columnName.ToUpper()))
{
columnMap[columnName] = description;
return(description);
}
}
return(null);
}
