/// ------------------------------------------------------------------------------------
private static void AddDescriptiveFeatureOverrides(XElement root, ref FeatureOverrides overrides)
{
var featureTypeElement = root.Elements("featureType")
.FirstOrDefault(e => (string)e.Attribute("class") == "descriptive");
if (featureTypeElement == null)
{
return;
}
// Get only the overriding features if they can be found in the descriptive feature cache.
var list = from element in featureTypeElement.Elements("featureOverride")
let phone = (string)element.Attribute("segment")
let fnames = element.Elements("feature").Select(e => e.Value).Where(fname => App.AFeatureCache.Keys.Any(n => n == fname))
where !string.IsNullOrEmpty(phone) && fnames != null && fnames.Count() > 0
select new FeatureOverride {
Phone = phone, AFeatureNames = fnames.ToArray()
};
overrides.AddRange(list);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Loads the default and project-specific list of overriding phone features.
/// </summary>
/// ------------------------------------------------------------------------------------
public static FeatureOverrides Load(PaProject project)
{
var overrides = new FeatureOverrides(project);
var filename = GetFileForProject(project.ProjectPathFilePrefix);
if (!File.Exists(filename))
{
return(overrides);
}
var root = XElement.Load(filename);
if (root.Nodes().Count() == 0)
{
return(overrides);
}
AddDescriptiveFeatureOverrides(root, ref overrides);
AddDistinctiveFeatureOverrides(root, project, ref overrides);
return(overrides);
}
/// ------------------------------------------------------------------------------------
private static void AddDistinctiveFeatureOverrides(XElement root, PaProject project,
ref FeatureOverrides overrides)
{
var featureTypeElement = root.Elements("featureType").FirstOrDefault(e =>
(string)e.Attribute("class") == "distinctive" && (string)e.Attribute("set") == project.DistinctiveFeatureSet);
if (featureTypeElement == null)
{
return;
}
foreach (var element in featureTypeElement.Elements("featureOverride"))
{
var phone = element.Attribute("segment").Value;
// Get only the overriding feature names if they
// can be found in the distinctive feature cache.
var fnames = element.Elements("feature").Select(e => e.Value)
.Where(fname => project.BFeatureCache.Keys.Any(n => n == fname)).ToArray();
if (string.IsNullOrEmpty(phone) || fnames.Length == 0)
{
continue;
}
var foverride = overrides.GetOverridesForPhone(phone);
if (foverride == null)
{
foverride = new FeatureOverride {
Phone = phone
};
overrides.Add(foverride);
}
foverride.BFeatureNames = fnames;
}
}
