/// <summary>
/// Serialisierung aller Properties ins HTML Format
/// </summary>
public static string ToHtml(this object obj, HtmlOutputFormat format)
{
string surroundingTag;
string innerTag = "li";
var innerHtml = new StringBuilder();
switch (format)
{
case HtmlOutputFormat.SortedList:
surroundingTag = "ol";
break;
case HtmlOutputFormat.UnsortetList:
surroundingTag = "ul";
break;
default:
surroundingTag = null;
break;
}
Type t = obj.GetType();
// Get the public properties.
PropertyInfo[] propInfos = t.GetProperties(BindingFlags.Public | BindingFlags.Instance);
var cnt = propInfos.Length;
// Display information for all properties.
foreach (var propInfo in propInfos)
{
var value = t.GetProperty(propInfo.Name).GetValue(obj, null);
innerHtml.AppendFormat("<{0}>{1}: {2}</{0}>\n", innerTag, propInfo.Name, value);
}
return(String.Format("<{0}>{1}</{0}>", surroundingTag, innerHtml));
}
/// <summary> /// 将对象所表达的 Html 内容输出至流。 /// </summary> /// <param name="s"></param> public abstract void WriteToStream(Stream s, HtmlOutputFormat format, int indent);
/// <summary>
/// 返回对象所表达的 Html 内容。
/// </summary>
/// <returns></returns>
public string ToString(HtmlOutputFormat format)
{
using (var ms = new MemoryStream()) {
this.WriteToStream(ms, format, 0);
return Encoding.UTF8.GetString(ms.GetBuffer(), 0, (int)ms.Length);
}
}
public override void WriteToStream(System.IO.Stream s, HtmlOutputFormat format, int indent)
{
var buffer = Encoding.UTF8.GetBytes(format == HtmlOutputFormat.Indent ? (InnerHtml + Environment .NewLine) : InnerHtml);
s.Write(buffer, 0, buffer.Length);
s.Flush();
}
public override void WriteToStream(System.IO.Stream s, HtmlOutputFormat format, int indent)
{
content.WriteToStream(s, format, indent);
}
public override void WriteToStream(System.IO.Stream s, HtmlOutputFormat format, int indent)
{
var writer = new StreamWriter(s);
writer.Write(format == HtmlOutputFormat.Indent ? html_header_before_content_type : html_header_before_content_type_zip);
writer.Write(ContentType);
writer.Write(format == HtmlOutputFormat.Indent ? html_header_before_title : html_header_before_title_zip);
writer.Write(HttpUtil.EncodeHtml(this.Title));
writer.Write("</title>");
if (format == HtmlOutputFormat.Indent)
writer.WriteLine();
writer.Flush();
// 输出脚本和 CSS
var writeScriptAndCss = new Action<HtmlPart>(x => {
foreach (var item in x.Scripts) {
item.WriteToStream(s, format, 4);
}
foreach (var item in x.Styles) {
item.WriteToStream(s, format, 4);
}
});
// 添加用来支持 Bigpipe 的 JS 脚本
if (UseBigPipe) {
this.Scripts.Add(new Script("function showPart(part) {try{console.debug('received part ' + part.id)}catch(e){} document.getElementById(part.id).innerHTML=part.content;}", null));
}
writeScriptAndCss(this);
foreach (var parts in this.Parts) {
writeScriptAndCss(parts);
}
writer.Write("</head>");
if (format == HtmlOutputFormat.Indent)
writer.WriteLine();
writer.Write("<body>");
if (format == HtmlOutputFormat.Indent)
writer.WriteLine();
writer.Flush(); // 让客户端可以先下载 CSS
s.Flush();
if (UseBigPipe) {
// 输出内容占位符
foreach (var part in this.Parts) {
(new HtmlElement("div") { ID = part.ID }).WriteToStream(s, format, 4);
s.Flush();
}
}
// 输出正文
var partStatic = this.Parts.FindAll(x => !(x is AsyncHtmlPart));
var partDynamic = this.Parts.FindAll(x => x is AsyncHtmlPart).Cast<AsyncHtmlPart>().ToArray();
// 先输出静态内容
foreach (var part in partStatic) {
writePart(s, part, format);
}
// 再输出动态内容
List<Task> tasks = new List<Task>();
foreach (var part in partDynamic) {
var task = part.PrepareStreamAsync();
tasks.Add(task);
}
bool[] isFinish = new bool[partDynamic.Length];
isFinish.Fill(false);
var remainCount = partDynamic.Length;
while (remainCount != 0) {
var i = Task.WaitAny(tasks.WithIndex().FindAll(x => !isFinish[x.Index]).Select(y => y.Value).ToArray());
remainCount--;
isFinish[i] = true;
//partDynamic[i].WriteToStream(s, format, 4);
writePart(s, partDynamic[i], format);
}
// 输出页尾
(new Script("try{finishDownload();}catch(e){}", null)).WriteToStream(s, format, 4);
writer.Write("</body>");
if (format == HtmlOutputFormat.Indent)
writer.WriteLine();
writer.Write("</html>");
if (format == HtmlOutputFormat.Indent)
writer.WriteLine();
writer.Flush();
}
private void writePart(Stream s, HtmlPart part, HtmlOutputFormat format)
{
if (UseBigPipe) {
var c = HttpUtil.SerializeAsyncPart(part);
s.Write(c, true);
}
else {
(new HtmlElement("div") { ID = part.ID, InnerHtml = part }).WriteToStream(s, format, 4);
s.Flush();
}
}
