} // func CreateScript
public static void WriteContent(this IDEContext context, Func <Stream> createSource, string cacheId, string contentType)
{
if (cacheId == null)
{
throw new ArgumentNullException("cacheId");
}
if (contentType == null)
{
throw new ArgumentNullException("contentType");
}
var http = context.Server as IDEHttpServer;
var o = http?.GetWebCache(cacheId);
// create the item
if (o == null)
{
using (var src = createSource())
{
var isLua = contentType == MimeTypes.Text.Lua;
var isHtml = contentType == MimeTypes.Text.Html;
var cacheItem = isLua || isHtml || (src.CanSeek && src.Length < CacheSize);
if (cacheItem)
{
var isText = contentType.StartsWith("text/");
if (isLua)
{
o = CreateScript(context, cacheId, () => Procs.OpenStreamReader(src, Encoding.Default));
}
else if (isHtml)
{
bool isPlainText;
var content = "otext('text/html');" + ParseHtml(Procs.OpenStreamReader(src, Encoding.Default), src.CanSeek ? src.Length : 1024, out isPlainText);
o = isPlainText ? content : CreateScript(context, cacheId, () => new StringReader(content));
}
else if (isText)
{
using (var tr = Procs.OpenStreamReader(src, Encoding.Default))
o = tr.ReadToEnd();
}
else
{
o = src.ReadInArray();
}
// write the cache item
http?.UpdateWebCache(cacheId, o);
}
else // write data without cache
{
WriteStream(context, src, contentType);
return;
}
}
}
// write the item to the output
if (o == null)
{
throw new ArgumentNullException("output", "No valid output.");
}
else if (o is ILuaScript)
{
var c = (ILuaScript)o;
LuaResult r;
using (var g = new LuaHttpTable(context, contentType))
r = c.Run(g, true);
if (!context.IsOutputStarted && r.Count > 0)
{
WriteObject(context, r[0], r.GetValueOrDefault(1, MimeTypes.Text.Html));
}
}
else if (o is byte[])
{
WriteBytes(context, (byte[])o, contentType);
}
else if (o is string)
{
WriteText(context, (string)o, contentType, context.Server.Encoding);
}
else
{
throw new ArgumentException($"Invalid cache item. Type '{o.GetType()}' is not supported.");
}
} // func GetContent