internal T GetValue <T>(XmlAttribute attribute)
{
if (attribute == null)
{
return(default(T));
}
string[] names = GetNames(attribute.Value);
if (names == null)
{
return(XmlHelper.GetValue <T>(attribute));
}
if (typeof(T) == typeof(string))
{
string newValue = attribute.Value;
foreach (string name in names)
{
newValue = newValue.Replace(newValue, MagickConverter.Convert <string>(_Variables[name]));
}
return((T)(object)newValue);
}
else
{
string name = names[0];
if (TypeHelper.IsValueType(typeof(T)))
{
Throw.IfNull(nameof(attribute), _Variables[name], "The variable {0} should be set.", name);
}
return(MagickConverter.Convert <T>(_Variables[name]));
}
}
internal bool TryGetValue <T>(XmlAttribute attribute, out T value)
{
string[] names = GetNames(attribute.Value);
if (names == null)
{
value = default(T);
return(false);
}
if (typeof(T) == typeof(string))
{
string newValue = attribute.Value;
foreach (string name in names)
{
newValue = newValue.Replace(newValue, MagickConverter.Convert <string>(_variables[name]));
}
value = (T)(object)newValue;
return(true);
}
else
{
string name = names[0];
if (TypeHelper.IsValueType(typeof(T)))
{
Throw.IfNull(nameof(attribute), _variables[name], $"The variable '{name}' should be set.");
}
value = MagickConverter.Convert <T>(_variables[name]);
return(true);
}
}
public static T GetValue <T>(XmlAttribute attribute)
{
if (attribute == null)
{
return(default(T));
}
return(MagickConverter.Convert <T>(attribute.Value));
}
public static T GetAttribute <T>(XmlElement element, string name)
{
if (element == null || !element.HasAttribute(name))
{
return(default(T));
}
return(MagickConverter.Convert <T>(element.GetAttribute(name)));
}