/// <summary>
/// Initializes an instance of <see cref="ConvertNode"/>
/// </summary>
/// <param name="source">The node to convert.</param>
/// <param name="targetType">The type to convert the node to</param>
public ConvertNode(QueryNode source, Type targetType)
{
this.Source = source;
this.TargetType = targetType;
}
/// <summary>
/// Initializes instance of <see cref="BinaryOperatorNode"/>
/// </summary>
/// <param name="kind">The kind of this node.</param>
/// <param name="left">The left operand.</param>
/// <param name="right">The right operand.</param>
public BinaryOperatorNode(BinaryOperatorKind kind, QueryNode left, QueryNode right)
{
this.OperatorKind = kind;
this.LeftOperand = left;
this.RightOperand = right;
}
/// <summary>
/// Initializes an instance of <see cref="OrderByNode"/>
/// </summary>
/// <param name="expression">The order-by expression.</param>
/// <param name="direction">The direction to order.</param>
public OrderByNode(QueryNode expression, OrderByDirection direction)
{
this.Expression = expression;
this.Direction = direction;
}
private static MobileServiceTableQueryDescription Parse(string tableName, string query, string uriPath)
{
bool includeTotalCount = false;
int? top = null;
int? skip = null;
string[] selection = null;
QueryNode filter = null;
IList <OrderByNode> orderings = null;
IDictionary <string, string> parameters = HttpUtility.ParseQueryString(query);
foreach (KeyValuePair <string, string> parameter in parameters)
{
string key = parameter.Key;
string value = parameter.Value;
if (String.IsNullOrEmpty(key))
{
continue;
}
switch (key)
{
case ODataOptions.Filter:
filter = ODataExpressionParser.ParseFilter(value);
break;
case ODataOptions.OrderBy:
orderings = ODataExpressionParser.ParseOrderBy(value);
break;
case ODataOptions.Skip:
skip = Int32.Parse(value);
break;
case ODataOptions.Top:
top = Int32.Parse(value);
break;
case ODataOptions.Select:
selection = value.Split(',');
break;
case ODataOptions.InlineCount:
includeTotalCount = "allpages".Equals(value);
break;
default:
throw new ArgumentException($"Unrecognized query parameter '{key}'.", nameof(query));
}
}
var description = new MobileServiceTableQueryDescription(tableName)
{
IncludeTotalCount = includeTotalCount,
Skip = skip,
Top = top
};
description.UriPath = uriPath;
if (selection != null)
{
((List <string>)description.Selection).AddRange(selection);
}
if (orderings != null)
{
((List <OrderByNode>)description.Ordering).AddRange(orderings);
}
description.Filter = filter;
return(description);
}
