/// <summary>
/// 当需要处理输出成员信息时.
/// </summary>
/// <param name="sender">发送者.</param>
/// <param name="e">事件参数.</param>
protected virtual void OnHandlerMember(object sender, IndentedWriterMemberEventArgs e)
{
EventHandler <IndentedWriterMemberEventArgs> handler = HandlerMember;
if (null != handler)
{
handler(sender, e);
}
}
/// <summary>
/// 输出对象的各个成员.
/// </summary>
/// <param name="iw">带缩进输出者.</param>
/// <param name="owner">欲查询成员的对象. 查询静态成员时可以设为 null.</param>
/// <param name="tp">类型. 当 <paramref name="owner"/> 非 null 时, 可设为null, 即自动设为 <c>owner.GetType()</c> . </param>
/// <param name="options">成员选项. 实际的成员选项是本参数与 <see cref="IndentedWriterContext.MemberOptions"/> 属性做或运算后的值. </param>
/// <param name="handle">每个成员的处理过程, 可以为 null. 默认在调用时会将其 <c>sender</c>参数设为null. </param>
/// <param name="context">环境对象, 可以为 null. 会嵌套传递. </param>
/// <returns>是否成功.</returns>
public static bool ForEachMember(IIndentedWriter iw, object owner, Type tp, IndentedWriterMemberOptions options, EventHandler <IndentedWriterMemberEventArgs> handle, IndentedWriterContext context)
{
bool rt = false;
if (null == tp)
{
if (null == owner)
{
return(rt);
}
tp = owner.GetType();
}
if (null == owner && (options & IndentedWriterMemberOptions.OnlyStatic) == 0)
{
throw new ArgumentException("options not has Static, but owner is null.", "bindingAttr");
}
// notify begin.
if (null == context)
{
context = new IndentedWriterContext(); // 自动创建环境. 有可能以后调整设计, 所以后面还是检查 context.
}
if (null != context)
{
if (!context.NotifyForEachMemberBegin(iw, owner, tp, options, handle, context))
{
return(false);
}
}
// args
IndentedWriterMemberEventArgs args = new IndentedWriterMemberEventArgs();
args.IsCancel = false;
args.IsCancelAll = false;
args.HasDefault = false;
args.IndentedWriter = iw;
args.Owner = owner;
args.OwnerType = tp;
args.MemberOptions = options;
//args.Procs = procs;
args.Context = context;
// foreach.
IndentedWriterMemberOptions realoptions = options;
if (null != context)
{
realoptions |= context.MemberOptions;
}
foreach (MemberInfo mi in GetMembers(tp, realoptions))
{
string AppendComment2 = null; // 备用的附加注释. 可能会在 args.AppendComment 为null时 使用.
args.IsCancel = true;
args.HasDefault = false;
args.MemberInfo = mi;
args.MemberName = TypeUtil.GetMemberNameAuto(mi, DefaultMemberNameOption); //mi.Name;
args.Value = null;
args.ValueOptions = IndentedWriterValueOptions.ExistValue;
args.AppendComment = null;
args.WriteProc = null;
//Debug.WriteLine(mi.ToString());
//
//bool bOk = false;
//object value = null;
//IndentedWriterObjectProc writeproc = null;
//IndentedWriterValueOptions iwvo = IndentedWriterValueOptions.ExistValue;
//bool isdefault = false;
// get value.
if (false)
{
}
else if (mi is FieldInfo)
{
FieldInfo fi = mi as FieldInfo;
args.IsCancel = false;
if (true)
{
try {
args.Value = fi.GetValue(owner);
args.ValueOptions = IndentedWriterValueOptions.Default;
args.HasDefault = true;
AppendComment2 = string.Format("<{0}>", fi.FieldType.Name);
}
catch (Exception ex) {
Debug.WriteLine(ex);
}
}
}
else if (mi is PropertyInfo)
{
PropertyInfo pi = mi as PropertyInfo;
args.IsCancel = false;
if (pi.CanRead && pi.GetIndexParameters().Length <= 0)
{
try {
args.Value = pi.GetValue(owner, null);
args.ValueOptions = IndentedWriterValueOptions.Default;;
args.HasDefault = true;
AppendComment2 = string.Format("<{0}>", pi.PropertyType.Name);
}
catch (Exception ex) {
Debug.WriteLine(ex);
}
}
}
else if (mi is MethodInfo)
{
if ((realoptions & IndentedWriterMemberOptions.AllowMethod) != 0)
{
MethodInfo methodinfo = mi as MethodInfo;
args.IsCancel = false;
args.ValueOptions = IndentedWriterValueOptions.AutoHideValue;
//args.MemberName = string.Format("{0}()", mi.Name);
AppendComment2 = string.Format("<{0}>", methodinfo.ReturnType.Name);
}
}
if (args.IsCancel)
{
continue;
}
// get proc.
if (null != args.Value)
{
//args.WriteProc = LookupWriteProcAt(args.Value, context, procs);
if (null != context)
{
args.WriteProc = LookupWriteProcAt(args.Value, context, context.Procs);
}
//if (null == args.WriteProc && (realoptions & IndentedWriterMemberOptions.NoDefaultProcs) == 0) {
// args.WriteProc = LookupWriteProc(args.Value, context);
//}
if (null == args.WriteProc && (realoptions & IndentedWriterMemberOptions.NoCommonProcs) == 0)
{
if (IndentedObjectFunctor.CommonProc(null, args.Value, context))
{
args.WriteProc = IndentedObjectFunctor.CommonProc;
}
}
}
// handle
if (null != handle)
{
//handle(context, mi, value, ref writeproc, ref iwvo, ref isdefault);
handle(null, args);
}
if (args.IsCancelAll)
{
break;
}
if (args.IsCancel)
{
continue;
}
// show.
if (args.HasDefault)
{
if (null == args.Value && null == args.AppendComment)
{
args.AppendComment = AppendComment2;
}
WriteLineValue(iw, args.MemberName, args.Value, args.ValueOptions, args.AppendComment);
if (null != args.WriteProc)
{
args.WriteProc(iw, args.Value, context);
}
}
}
// notify begin.
if (null != context)
{
context.NotifyForEachMemberEnd(iw, owner, tp, options, handle, context);
}
rt = true;
return(rt);
}
