public static T AttributeValue <T>(this StageElement element, string attributeName)
{
if (element != null)
{
StageAttribute stageAttribute = element.Attribute(attributeName);
if (stageAttribute != null)
{
return(SerializationMaster.FromString <T>(stageAttribute.@value));
}
}
throw new ArgumentException(string.Concat("No attribute by that name was found: ", attributeName));
}
public static T ValueOrDefault <T>(this StageItem item, T defaultValue = null)
{
if (item == null || item is StageNull)
{
return(defaultValue);
}
if (item is StageContainer)
{
return(SerializationMaster.UnstageAndInitialize <T>(item));
}
return(SerializationMaster.FromString <T>(((StageValue)item).@value));
}
/// <summary>
/// Gets the converted value of the specified attribute.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="attributeName">Name of the attribute.</param>
/// <returns>The value of the attribute.</returns>
/// <exception cref="System.ArgumentException">If no attribute by that name was found.</exception>
public static T AttributeValue <T>(this StageElement element, string attributeName)
{
if (element != null)
{
var attrib = element.Attribute(attributeName);
if (attrib != null)
{
return(SerializationMaster.FromString <T>(attrib.value));
}
}
throw new ArgumentException("No attribute by that name was found: " + attributeName);
}
public static T AttributeValueOrDefault <T>(this StageElement element, string attributeName, T defaultValue = null)
{
if (element == null)
{
return(defaultValue);
}
StageAttribute stageAttribute = element.Attribute(attributeName);
if (stageAttribute == null)
{
return(defaultValue);
}
return(SerializationMaster.FromString <T>(stageAttribute.@value));
}
/// <summary>
/// Gets the converted value of the specified attribute, or a default value if the element or the attribute is null or if it has no value.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="attributeName">Name of the attribute.</param>
/// <param name="defaultValue">The default value.</param>
/// <returns>The value of the attribute, or <paramref name="defaultValue"/> if <paramref name="element"/> or the attribute is <c>null</c> or has no value.</returns>
public static T AttributeValueOrDefault <T>(this StageElement element, string attributeName, T defaultValue = default(T))
{
if (element == null)
{
return(defaultValue);
}
var attrib = element.Attribute(attributeName);
if (attrib == null)
{
return(defaultValue);
}
return(SerializationMaster.FromString <T>(attrib.value));
}