internal void Validate(bool loading)
{
List <string> missing = null;
foreach (ConfigurationAttributeSchema attribute in Schema.AttributeSchemas)
{
if (!attribute.IsRequired)
{
continue;
}
if (!RawAttributes.ContainsKey(attribute.Name))
{
if (missing == null)
{
missing = new List <string>();
}
missing.Add(attribute.Name);
}
}
if (missing != null)
{
string error;
if (!loading)
{
error = $"required attributes {StringExtensions.Combine(missing, ",")}";
}
else if (missing.Count == 1)
{
error = $"required attribute '{missing[0]}'";
}
else
{
error = $"required attributes '{StringExtensions.Combine(missing, ",")}'";
}
if (loading)
{
var line = (Entity as IXmlLineInfo).LineNumber;
throw new COMException(
string.Format("Line number: {0}\r\nError: Missing {1}\r\n", line, error));
}
throw new FileNotFoundException($"Filename: \r\nError: Element is missing {error}\r\n\r\n");
}
}
internal object SetAttributeValueInner(string name, object value)
{
if (Section.IsLocked)
{
throw new FileLoadException("This configuration section cannot be used at this path. This happens when the section is locked at a parent level. Locking is either by default (overrideModeDefault=\"Deny\"), or set explicitly by a location tag with overrideMode=\"Deny\" or the legacy allowOverride=\"false\".\r\n");
}
if (!this.SkipCheck)
{
this.FileContext.SetDirty();
}
var attribute = this.GetAttribute(name);
var result = attribute.TypeMatch(value);
attribute.IsInheritedFromDefaultValue = (attribute.Schema == null || !attribute.Schema.IsRequired) &&
result.Equals(attribute.ExtractDefaultValue());
// IMPORTANT: remove attribute if value is equal to default.
this.Entity.SetAttributeValue(
name, attribute.IsInheritedFromDefaultValue
? null
: attribute.Format(result));
// IMPORTANT: IIS seems to use the following
// this.Entity.SetAttributeValue(name, attribute.Format(_value));
this.CleanEntity();
if (attribute.IsInheritedFromDefaultValue)
{
this.RawAttributes.Remove(name);
}
else
{
if (RawAttributes.ContainsKey(name))
{
RawAttributes[name] = value.ToString();
}
else
{
RawAttributes.Add(name, value.ToString());
}
}
return(result);
}