public WebFile(Builder parent, string url, Builder.FileStorage st)
{
_Builder = parent;
if (!string.IsNullOrEmpty(url))
{
Url = url;
}
Storage = st;
}
public WebFile(Builder parent, Builder.FileStorage st, params string[] HTMLData)
{
Storage = st;
_Builder = parent;
if (HTMLData.Length > 0)
{
if (!string.IsNullOrEmpty(HTMLData[0]))
{
setDownLoadedBytes(HTMLData[0]);
}
}
}
/// <summary>
/// download ALL externally referenced files in this file's html, potentially recursively,
/// to the default download path for this page
/// </summary>
public void DownloadExternalFiles(Builder.FileStorage st, params bool[] recursive)
{
bool recrsv = false;
if (recursive.Length != 0)
{
recrsv = recursive[0];
}
DownloadExternalFiles(st, ExternalFilesFolder, recrsv);
}
/// <summary>
/// Download a single externally referenced file (if we haven't already downloaded it)
/// </summary>
private void DownloadExternalFile(string url, Builder.FileStorage st, string targetFolder,
params bool[] recursive)
{
bool recrsv = false;
WebFile wf = default(WebFile);
bool isNew = false;
if (recursive.Length != 0)
{
recrsv = recursive[0];
}
//-- have we already downloaded (or attempted to) this file?
if (_Builder.WebFiles.Contains(url) | _Builder.Url == url)
{
wf = (WebFile)_Builder.WebFiles[url];
isNew = false;
}
else
{
wf = new WebFile(_Builder, url, st);
isNew = true;
}
//-- if we're planning to store this file on disk, make sure we can
if (st == Builder.FileStorage.DiskPermanent || st == Builder.FileStorage.DiskTemporary)
{
if (!Directory.Exists(targetFolder))
{
Directory.CreateDirectory(targetFolder);
}
wf.DownloadFolder = targetFolder;
}
wf.Download();
if (isNew)
{
//-- add this (possibly) downloaded file to our shared collection
_Builder.WebFiles.Add(wf.UrlUnmodified, wf);
//-- if this is an HTML file, it has dependencies of its own;
//-- download them into a subfolder
if ((wf.IsHtml || wf.IsCss) & recrsv)
{
wf.DownloadExternalFiles(st, recrsv);
}
}
}
/// <summary>
/// download ALL externally referenced files in this html, potentially recursively
/// to a specific download path
/// </summary>
private void DownloadExternalFiles(Builder.FileStorage st, string targetFolder, bool recursive)
{
NameValueCollection FileCollection = ExternalHtmlFiles();
if (!FileCollection.HasKeys()) return;
Debug.WriteLine("Downloading all external files collected from URL:");
Debug.WriteLine(" " + Url);
foreach (string Key in FileCollection.AllKeys)
{
DownloadExternalFile(FileCollection[Key], st, targetFolder, recursive);
}
}