/// <summary>
/// Saves the resources to a file located in the Filename property.
/// </summary>
public static void SaveResources(AgateResourceCollection resources, string filename)
{
XmlDocument doc = new XmlDocument();
XmlElement root = doc.CreateElement("AgateResources");
XmlHelper.AppendAttribute(root, doc, "Version", "0.3.0");
doc.AppendChild(root);
foreach (AgateResource res in resources)
{
res.BuildNodes(root, doc);
}
doc.Save(filename);
}
/// <summary>
/// Loads the resource information from a stream containing XML data.
/// This erases all information in the current AgateResourceCollection.
/// </summary>
/// <param name="resources"></param>
/// <param name="stream"></param>
public static void LoadResources(AgateResourceCollection resources, Stream stream)
{
XmlDocument doc = new XmlDocument();
try
{
doc.Load(stream);
}
catch (XmlException e)
{
throw new AgateResourceException("The XML resource file is malformed.", e);
}
XmlNode root;
try
{
root = doc.ChildNodes[0];
if (root is XmlDeclaration)
{
root = doc.ChildNodes[1];
}
}
catch (XmlException e)
{
throw new AgateResourceException("Could not understand root XML element.", e);
}
if (root.Attributes["Version"] == null)
{
throw new AgateResourceException("XML resource file does not contain the required version attibute.");
}
string version = root.Attributes["Version"].Value;
switch (version)
{
case "0.3.1":
case "0.3.0":
ReadVersion031(resources, root, version);
break;
default:
throw new AgateResourceException("XML Resource file version " + version + " not supported.");
}
}
private static void ReadVersion031(AgateResourceCollection resources, XmlNode root, string version)
{
for (int i = 0; i < root.ChildNodes.Count; i++)
{
XmlNode node = root.ChildNodes[i];
if (node is XmlComment)
{
continue;
}
try
{
resources.Add(ReadNode(node, version));
}
catch (Exception e)
{
throw new AgateResourceException("An error occurred while reading XML resource file: \r\n"
+ e.Message, e);
}
}
}
