/// <summary>
/// 查询规则（NoSQL）子集。
/// </summary>
/// <param name="list">规则列表</param>
/// <param name="writer">输出对象</param>
/// <param name="innerOperation">内联操作符</param>
protected virtual void QueryChildren(NoSQL.ConditionCollection list, System.IO.TextWriter writer, string innerOperation = " and ")
{
bool b = true;
foreach (NoSQL.Condition item in list)
{
if (item.Type == NoSQL.ConditionTypes.Field)
{
if (list.Owner.Type == NoSQL.ConditionTypes.Field)
{
//throw new System.NotSupportedException("暂不支持 NoSQL.Condition 多级字段:" +list.Owner.Name+"."+ item.Name);
continue;
}
if (item.Children.Count == 1 && item.Children[0].Type == NoSQL.ConditionTypes.Field)
{
continue;
}
if (QueryChildrenFieldPre(item, writer, b ? "" : innerOperation, ref b))
{
continue;
}
{
var children_builder = new StringBuilder();
using (var children_writer = new StringWriter(children_builder)) {
var old_b = b;
QueryChildren(item.Children, children_writer);
}
if (children_builder.Length == 0)
{
continue;
}
if (!b)
{
writer.Write(innerOperation);
}
writer.Write(_dialect.PreName(item.GetNames()));
writer.Write(children_builder.ToString());
}
}
else if (item.Type == NoSQL.ConditionTypes.Logical)
{
QueryChildrenLogical(item, writer, b ? "" : innerOperation);
}
b = false;
}
}
void ToObject_Children(System.Collections.Generic.Dictionary <string, object> parent, ConditionCollection list)
{
foreach (Condition item in list)
{
if (item.Children.Count > 0)
{
if (item.Children.IsArray)
{
System.Collections.Generic.List <object> values = new System.Collections.Generic.List <object>();
parent.Add(item.Name, values);
foreach (Condition p in item.Children)
{
System.Collections.Generic.Dictionary <string, object> root2 = new System.Collections.Generic.Dictionary <string, object>();
root2.Add(p.Name, p.ToObject());
values.Add(root2);
}
}
else
{
System.Collections.Generic.Dictionary <string, object> values = new System.Collections.Generic.Dictionary <string, object>(System.StringComparer.OrdinalIgnoreCase);
parent.Add(item.Name, values);
ToObject_Children(values, item.Children);
}
}
else
{
parent.Add(item.Name, item.Value);
}
}
}