public ProjectionDefinition <T, T> Compile <T>(FieldSpec fieldSpec)
{
var sb = new StringBuilder();
sb.Append("{ ");
for (int i = 0; i < fieldSpec.Fields.Length; i++)
{
var field = fieldSpec.Fields[i];
string name = MongoNameFixer.Field(field.Name);
if (String.CompareOrdinal(name, "textScore") == 0)
{
sb.AppendFormat("{0} : {{ $meta : \"textScore\" }}", name);
}
else if (field.Presence == FieldSpecPresence.Included)
{
sb.AppendFormat("{0} : 1", name);
}
else
{
sb.AppendFormat("{0} : 0", name);
}
if (i < fieldSpec.Fields.Length - 1)
{
sb.Append(", ");
}
}
sb.Append(" }");
return(new BsonDocumentProjectionDefinition <T, T>(BsonSerializer.Deserialize <BsonDocument>(sb.ToString())));
}
protected override RqlExpression VisitIdentifier(RqlIdentifierExpression node)
{
sb.Append("\"");
sb.Append(MongoNameFixer.Field(node.Name));
sb.Append("\": ");
return(node);
}
public SortDefinition <T> Compile <T>(SortSpec sortSpec)
{
var sb = new StringBuilder();
sb.Append("{ ");
for (int i = 0; i < sortSpec.Fields.Length; i++)
{
var field = sortSpec.Fields[i];
var name = MongoNameFixer.Field(field.Name);
sb.AppendFormat("{0} : {1}", name, field.Order == SortSpecSortOrder.Ascending ? "1" : "-1");
if (i < sortSpec.Fields.Length - 1)
{
sb.Append(", ");
}
}
sb.Append(" }");
return(new BsonDocumentSortDefinition <T>(BsonSerializer.Deserialize <BsonDocument>(sb.ToString())));
}
