/// <summary>
/// Create a <see cref="AbacAuthorizationPolicy"/> using a specified grammar.
/// </summary>
/// <param name="policy">The policy.</param>
/// <param name="grammar">The grammar to be used.</param>
/// <returns>A <see cref="AbacAuthorizationPolicy"/> created.</returns>
public static AbacAuthorizationPolicy CreateFromGrammar(string policy, AllowedGrammars grammar = AllowedGrammars.Bal)
{
try
{
return(DSLParser.Parse(policy, grammar));
}
catch (Exception exception)
{
throw new InvalidOperationException($"Policy can't be parsed using the grammar {Enum.GetName(typeof(AllowedGrammars), grammar)} and policy is not created succcesfully.", exception);
}
}
public static AbacAuthorizationPolicy Parse(string policy, AllowedGrammars grammar)
{
foreach (var parser in _parsers)
{
if (parser.CanParse(grammar))
{
return(parser.Parse(policy));
}
}
throw new InvalidOperationException($"The grammar {Enum.GetName(typeof(AllowedGrammars), grammar)} does not contain any parser registered.");
}
public bool CanParse(AllowedGrammars grammar)
{
return(grammar == AllowedGrammars.Bal);
}
