/// <summary>
/// Generates source code for the virtual path of the build provider, and adds the source code to a specified assembly builder.
/// </summary>
/// <param name="assemblyBuilder">The assembly builder that references the source code generated by the build provider.</param>
public override void GenerateCode(AssemblyBuilder assemblyBuilder)
{
if (assemblyBuilder == null)
{
throw new ArgumentNullException("assemblyBuilder");
}
// get name and namespace from the filename
string ns = string.Empty;
string name = VirtualPathUtility.GetFileName(VirtualPath);
int i = name.LastIndexOf('.');
if (i > 0)
{
name = name.Substring(0, i); // discard extension
i = name.LastIndexOf('.'); // and split into namespace and class
if (i > 0)
{
name = name.Substring(i + 1);
ns = name.Substring(0, i);
}
}
// load as XML
XmlDocument doc = new XmlDocument();
using (Stream s = OpenStream(VirtualPath))
{
doc.Load(s);
}
// compile the channel
CodeCompileUnit ccu = new CodeCompileUnit();
RssCodeGenerator.GenerateCodeDomTree(doc.OuterXml, string.Empty, ns, name, ccu, true);
assemblyBuilder.AddCodeCompileUnit(this, ccu);
}
public override void GenerateCode(AssemblyBuilder assemblyBuilder)
{
if (assemblyBuilder == null)
{
throw new ArgumentNullException("assemblyBuilder");
}
// load as XML
XmlDocument doc = new XmlDocument();
using (Stream s = OpenStream(VirtualPath))
{
doc.Load(s);
}
// validate root rssdl node
XmlNode root = doc.DocumentElement;
if (root.Name != "rssdl")
{
throw new InvalidDataException(string.Format(CultureInfo.InvariantCulture, "Unexpected root node '{0}' -- expected root 'rssdl' node", root.Name));
}
// iterate through rss nodes
for (XmlNode n = root.FirstChild; n != null; n = n.NextSibling)
{
if (n.NodeType != XmlNodeType.Element)
{
continue;
}
if (n.Name != "rss")
{
throw new InvalidDataException(
string.Format(
CultureInfo.InvariantCulture,
"Unexpected node '{0}' -- expected root 'rss' node",
root.Name));
}
string file = string.Empty;
string url = string.Empty;
string classNamePrefix = string.Empty;
string namespaceName = string.Empty;
foreach (XmlAttribute attr in n.Attributes)
{
switch (attr.Name)
{
case "name":
classNamePrefix = attr.Value;
break;
case "url":
url = attr.Value;
break;
case "file":
file = VirtualPathUtility.Combine(VirtualPathUtility.GetDirectory(VirtualPath), attr.Value);
break;
case "namespace":
namespaceName = attr.Value;
break;
default:
throw new InvalidDataException(
string.Format(CultureInfo.InvariantCulture, "Unexpected attribute '{0}'", attr.Name));
}
}
if (string.IsNullOrEmpty(classNamePrefix))
{
throw new InvalidDataException("Missing 'name' attribute");
}
if (string.IsNullOrEmpty(url) && string.IsNullOrEmpty(file))
{
throw new InvalidDataException("Missing 'url' or 'file' attribute - one must be specified");
}
if (!string.IsNullOrEmpty(url) && !string.IsNullOrEmpty(file))
{
throw new InvalidDataException("Only one of 'file' and 'url' can be specified");
}
// compile channel
CodeCompileUnit ccu = new CodeCompileUnit();
if (!string.IsNullOrEmpty(url))
{
// load RssDocument
using (Stream feedStream = DownloadManager.GetFeed(url))
{
using (XmlTextReader reader = new XmlTextReader(feedStream))
{
string codeString = RssXmlHelper.ConvertToRssXml(reader);
RssCodeGenerator.GenerateCodeDomTree(codeString, url, namespaceName, classNamePrefix, ccu, true);
}
}
}
else
{
using (XmlTextReader reader = new XmlTextReader(file))
{
string codeString = RssXmlHelper.ConvertToRssXml(reader);
RssCodeGenerator.GenerateCodeDomTree(codeString, url, namespaceName, classNamePrefix, ccu, true);
}
}
assemblyBuilder.AddCodeCompileUnit(this, ccu);
}
}