/// <summary>
/// 通知枚举成员结束.
/// </summary>
/// <param name="iw">带缩进输出者.</param>
/// <param name="owner">欲查询成员的对象.</param>
/// <param name="tp">类型.</param>
/// <param name="options">成员选项. </param>
/// <param name="handle">每个成员的处理过程. </param>
/// <param name="context">环境对象. </param>
/// <returns>若在开始枚举成员之前, 返回值表示是否允许枚举. 其他时候忽略.</returns>
public bool NotifyForEachMemberEnd(IIndentedWriter iw, object owner, Type tp, IndentedWriterMemberOptions options, EventHandler <IndentedWriterMemberEventArgs> handle, IndentedWriterContext context)
{
bool rt = true;
IndentedWriterForEachMemberNotify p = ForEachMemberEnd;
if (null != p)
{
rt = p(iw, owner, tp, options, handle, context);
}
if (m_TypeOwners.Count > 0)
{
m_TypeOwners.RemoveAt(m_TypeOwners.Count - 1);
}
return(rt);
}
/// <summary>
/// 通知开始枚举成员.
/// </summary>
/// <param name="iw">带缩进输出者.</param>
/// <param name="owner">欲查询成员的对象.</param>
/// <param name="tp">类型.</param>
/// <param name="options">成员选项. </param>
/// <param name="handle">每个成员的处理过程. </param>
/// <param name="context">环境对象. </param>
/// <returns>若在开始枚举成员之前, 返回值表示是否允许枚举. 其他时候忽略.</returns>
public bool NotifyForEachMemberBegin(IIndentedWriter iw, object owner, Type tp, IndentedWriterMemberOptions options, EventHandler <IndentedWriterMemberEventArgs> handle, IndentedWriterContext context)
{
bool rt = true;
// check.
if (null != owner && m_VisitOnce)
{
// 检查访问.
if (m_VisitList.IndexOf(owner) >= 0)
{
return(false);
}
m_VisitList.Add(owner);
}
if (null != tp && !tp.IsArray)
{
// 连续相同类型对象的最大数量.
if (m_SameTypeGroupMax > 0 && null != owner)
{
int cnt = 0;
for (int i = m_TypeOwners.Count - 1; i >= 0; --i)
{
KeyValuePair <Type, object> pr = m_TypeOwners[i];
if (null == pr.Value)
{
break;
}
if (tp.Equals(pr.Key))
{
++cnt;
if (cnt >= m_SameTypeGroupMax)
{
return(false);
}
}
else
{
break;
}
}
}
// 相同类型的最大数量.
if (m_SameTypeMax > 0)
{
int cnt = 0;
foreach (KeyValuePair <Type, object> pr in m_TypeOwners)
{
if (tp.Equals(pr.Key))
{
++cnt;
if (cnt >= m_SameTypeMax)
{
return(false);
}
}
}
}
}
// notify.
m_TypeOwners.Add(new KeyValuePair <Type, object>(tp, owner));
IndentedWriterForEachMemberNotify p = ForEachMemberBegin;
if (null != p)
{
rt = p(iw, owner, tp, options, handle, context);
}
return(rt);
}