/// <summary>
/// 条件。
/// </summary>
/// <param name="node">节点。</param>
/// <returns></returns>
protected virtual internal void VisitCondition(MethodCallExpression node)
{
if (node.Arguments.Count == 1)
{
bool isPlainVariable = IsPlainVariableEx(node.Object);
if (!isPlainVariable)
{
Visit(node.Object);
}
Workflow(whereIsNotEmpty =>
{
if (isPlainVariable)
{
Visit(node.Object);
}
if (whereIsNotEmpty)
{
whereSwitch.Execute();
}
}, () => VisitIsBoolean(node.Arguments[0]));
}
else
{
bool isPlainVariable = IsPlainVariableEx(node.Arguments[0]);
if (!isPlainVariable)
{
Visit(node.Arguments[0]);
}
Workflow(whereIsNotEmpty =>
{
if (isPlainVariable)
{
Visit(node.Arguments[0]);
}
if (whereIsNotEmpty)
{
whereSwitch.Execute();
}
}, () => VisitIsBoolean(node.Arguments[1]));
}
}