/// <summary>
/// Create a new PostParseEventArgs object.
/// </summary>
public PostParseEventArgs(XmlDataRows data, XmlDocument xml)
{
this.Data = data;
this.Xml = xml;
}
/// <summary>
/// Parse the xmlfile and process the data it contains.
/// </summary>
/// <param name="net">NetManager object to use when downloading xml files
/// (null if parsing a MetaXmlFile).</param>
public void Parse(NetManager net)
{
MultiExceptionHandler mex = new MultiExceptionHandler();
string xpathDefaults = "/" + this.xpath.Split('/')[1] + "/defaults/def";
// call preparse event handler
if (this.PreParse != null)
{
this.PreParse(this, null);
}
// get xml document
XmlDocument xml;
if (this is MetaXmlFile)
{
xml = new XmlDocument();
xml.XmlResolver = null; // disable automatic dtd validation
xml.Load(((MetaXmlFile)this).LocalFile);
}
else
{
xml = net.GetXmlDocument(this);
}
// parse defaults (if present)
Dictionary <string, string> xmlDefaults = new Dictionary <string, string>();
foreach (XmlElement node in xml.SelectNodes(xpathDefaults))
{
if (node.HasAttribute("att") && node.HasAttribute("value"))
{
xmlDefaults.Add(node.Attributes["att"].Value, node.Attributes["value"].Value);
}
}
// parse data rows
XmlDataRows rows = new XmlDataRows(this);
foreach (XmlElement node in xml.SelectNodes(this.xpath))
{
try
{
string[] row = new string[this.attributes.Length];
for (int i = 0; i < this.attributes.Length; i++)
{
string attr = this.attributes[i];
if (node.HasAttribute(attr))
{
row[i] = node.Attributes[attr].Value;
}
else if (xmlDefaults.ContainsKey(attr))
{
row[i] = xmlDefaults[attr];
}
#if DEBUG
else
{
mex.Add(new ApplicationException(String.Format("Parse {0}: missing attr '{1}'", this.name, attr)));
}
#endif
}
rows.Add(row);
}
catch (Exception ex) { mex.Add(ex); }
}
// call the postparse event handler
try
{
if (this.PostParse != null)
{
this.PostParse(this, new PostParseEventArgs(rows, xml));
}
}
catch (Exception ex) { mex.Add(ex); }
// if any errors, throw first
mex.Throw();
}
