/// <summary>
/// Initializes a new instance of the <see cref="QueryParser" /> class, using default parameters for parsing.
/// The <see cref="Structure.ExpressionTreeParser.NodeTypeProvider" /> used has all relevant methods of the
/// <see cref="Queryable" /> class
/// automatically registered, and the <see cref="Structure.ExpressionTreeParser.Processor" /> comprises partial
/// evaluation, and default
/// expression transformations. See <see cref="Structure.ExpressionTreeParser.CreateDefaultNodeTypeProvider" />,
/// <see cref="Structure.ExpressionTreeParser.CreateDefaultProcessor" />, and
/// <see cref="ExpressionTransformerRegistry.CreateDefault" />
/// for details.
/// </summary>
public static QueryParser CreateDefault()
{
var transformerRegistry = ExpressionTransformerRegistry.CreateDefault();
var evaluatableExpressionFilter = new NullEvaluatableExpressionFilter();
var expressionTreeParser = new ExpressionTreeParser(
ExpressionTreeParser.CreateDefaultNodeTypeProvider(),
ExpressionTreeParser.CreateDefaultProcessor(transformerRegistry, evaluatableExpressionFilter));
return(new QueryParser(expressionTreeParser));
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryParser" /> class, using the given
/// <paramref name="expressionTreeParser" /> to
/// convert <see cref="Expression" /> instances into <see cref="IExpressionNode" />s. Use this constructor if you wish
/// to customize the
/// parser. To use a default parser (with the possibility to register custom node types), use the
/// <see cref="CreateDefault" /> method.
/// </summary>
/// <param name="expressionTreeParser">The expression tree parser.</param>
public QueryParser(ExpressionTreeParser expressionTreeParser)
{
ArgumentUtility.CheckNotNull("expressionTreeParser", expressionTreeParser);
ExpressionTreeParser = expressionTreeParser;
}