private Resource LoadResource(System.Xml.XmlNode node, Resource parent)
{
System.Diagnostics.Debug.Assert(node.Name == "resource");
/// get resource type
string resourceTypeName = node.Attributes["type"].Value;
SNAP.Resources.ResourceType resourceType = _resourceTypes[resourceTypeName];
/// get resource name
string resourceName = node.Attributes["name"].Value;
/// get resource id
/// if the id is not available (for instance when importing an externallay generated resource)
/// generate a new one instead
Guid guid = (node.Attributes["id"] != null) ?
(new Guid(node.Attributes["id"].Value)) : (Guid.NewGuid());
/// create the new resource,
/// fields are initialized to default values
Resource resource = new Resource(guid, resourceType, resourceName);
/// update field values using the information in the file
foreach (System.Xml.XmlNode fieldNode in node.SelectNodes("field"))
{
string fieldName = fieldNode.Attributes["name"].Value;
IResourceType fieldType = resource.MyType.SubTypes [fieldName];
IResourceValue fieldValue = null;
System.Diagnostics.Debug.Assert(resource.SubValues.ContainsKey(fieldName));
fieldValue = resource.SubValues [fieldName];
fieldValue.LoadFromXML(fieldNode);
}
/// add this node to it's parent
if (parent == null)
{
string family = node["family"].InnerText;
parent = _resourceList[family];
}
parent.Children.Add(resource);
return(resource);
}
/// <summary>
/// Interprets the specified parameters.
/// </summary>
/// <param name="parameters">The parameters.</param>
/// <param name="resource">The resource.</param>
/// <returns></returns>
public static string Interpret(Script script, string parameters, Resource resource)
{
string result = parameters;
do
{
System.Text.RegularExpressions.Match match =
System.Text.RegularExpressions.Regex.Match(result,
@"\$([a-zA-Z0-9 ]+(?:\.[a-zA-Z0-9 ]+)*)\$"
);
if (match == null || !match.Success)
{
break;
}
/// break the variable name into its inner structure
/// For instance: Sequence File.File
string varValue = null;
string completeVarName = match.Groups[1].Captures[0].Value;
switch (completeVarName)
{
case "ExecutionFolder":
varValue = GetExecutionFolder(script, resource);
varValue = varValue.TrimEnd('/');
break;
case "PluginFolder":
varValue = Controller.PluginFolder;
varValue = varValue.TrimEnd('/');
break;
/// TODO: make this more general
case "PluginFolder.Unix":
varValue = Controller.PluginFolder;
varValue = varValue.Replace('\\', '/');
varValue = varValue.Replace(" ", @"\ ");
varValue = varValue.TrimEnd('/');
break;
case "ExecutionFolder.Unix":
varValue = GetExecutionFolder(script, resource);
varValue = varValue.Replace('\\', '/');
varValue = varValue.Replace(" ", @"\ ");
varValue = varValue.TrimEnd('/');
break;
default:
{
string[] varNameParts = completeVarName.Split('.');
/// follow the inner structure to the last internal reference
IResourceValue currentResource = resource;
for (int i = 0; i < varNameParts.Length; ++i)
{
currentResource = currentResource.GetDynamicProperty(varNameParts[i]);
}
varValue = currentResource.ToString();
}
break;
}
/// replace the $variable$ with the value
result = System.Text.RegularExpressions.Regex.Replace(
result, @"\$" + completeVarName + @"\$", varValue);
}while (true);
return(result);
}
