/// <summary>
/// Creates a new <seealso cref="ExecutableScript" /> from a source or resource. It excepts static and
/// dynamic sources and resources. Dynamic means that the source or resource is an expression
/// which will be evaluated during execution.
/// </summary>
/// <param name="language"> the language of the script </param>
/// <param name="source"> the source code of the script or an expression which evaluates to the source code </param>
/// <param name="resource"> the resource path of the script code or an expression which evaluates to the resource path </param>
/// <param name="expressionManager"> the expression manager to use to generate the expressions of dynamic scripts </param>
/// <param name="scriptFactory"> the script factory used to create the script </param>
/// <returns> the newly created script </returns>
/// <exception cref="NotValidException"> if language is null or empty or both of source and resource are invalid </exception>
public static ExecutableScript GetScript(string language, string source, string resource,
ExpressionManager expressionManager, ScriptFactory scriptFactory)
{
EnsureUtil.EnsureNotEmpty(typeof(NotValidException), "Script language", language);
EnsureUtil.EnsureAtLeastOneNotNull(typeof(NotValidException), "No script source or resource was given", source,
resource);
if (!ReferenceEquals(resource, null) && resource.Length > 0)
{
return(GetScriptFromResource(language, resource, expressionManager, scriptFactory));
}
return(GetScriptFormSource(language, source, expressionManager, scriptFactory));
}