protected void UrlRequested(object sender, UrlRequestedArgs args)
{
Stream s = help_tree.GetImage(args.Url);
if (s == null)
{
s = GetBrowserResourceImage("monodoc.png");
}
byte [] buffer = new byte [8192];
int n, m;
m = 0;
while ((n = s.Read(buffer, 0, 8192)) != 0)
{
args.Handle.Write(buffer, n);
m += n;
}
args.Handle.Close(HTMLStreamStatus.Ok);
}
// Substitute the src of the images with the appropriate path
string ProcessImages(string html_code)
{
//If there are no Images return fast
int pos = html_code.IndexOf("<img", 0, html_code.Length);
if (pos == -1)
{
return(html_code);
}
StringBuilder html = new StringBuilder();
html.Append(html_code.Substring(0, pos));
int srcIni, srcEnd;
string Img;
Stream s;
string path, img_name;
while (pos != -1)
{
//look for the src of the img
srcIni = html_code.IndexOf("src=\"", pos);
srcEnd = html_code.IndexOf("\"", srcIni + 6);
Img = html_code.Substring(srcIni + 5, srcEnd - srcIni - 5);
path = "NO_IMG";
//is the img cached?
if (cache_imgs.Contains(Img))
{
path = (string)cache_imgs[Img];
}
else
{
//obtain the stream from the compressed sources
s = help_tree.GetImage(Img);
if (s == null)
{
s = help_tree.GetImage(Img.Substring(Img.LastIndexOf("/") + 1));
}
if (s != null)
{
//write the file to a tmp directory
img_name = Img.Substring(Img.LastIndexOf(":") + 1);
path = Path.Combine(tmpPath, img_name);
Directory.CreateDirectory(Path.GetDirectoryName(path));
FileStream file = new FileStream(path, FileMode.Create);
byte[] buffer = new byte [8192];
int n;
while ((n = s.Read(buffer, 0, 8192)) != 0)
{
file.Write(buffer, 0, n);
}
file.Flush();
file.Close();
//Add the image to the cache
cache_imgs[Img] = path;
}
}
//Add the html code from <img until src="
html.Append(html_code.Substring(pos, srcIni + 5 - pos));
//Add the Image path
html.Append(path);
//Look for the next image
pos = html_code.IndexOf("<img", srcIni);
if (pos == -1)
{
//Add the rest of the file
html.Append(html_code.Substring(srcEnd));
}
else
{
//Add from " to the next <img
html.Append(html_code.Substring(srcEnd, pos - srcEnd)); //check this
}
}
foreach (string cached in cache_imgs.Keys)
{
html.Replace("\"" + cached + "\"", "\"" + (string)cache_imgs[cached] + "\"");
}
return(html.ToString());
}
