protected virtual void WriteEmbeddedIcon(BookmarkLink link, XmlWriter xmlWriter)
{
const string template = "data:{0};base64,{1}";
var base64Content = Convert.ToBase64String(link.IconData);
xmlWriter.WriteAttributeString("ICON", string.Format(template, link.IconContentType, base64Content));
}
private IBookmarkItem ParseItem(HTMLparser parser)
{
BookmarkLink item = null;
HTMLchunk chunk, prevChunk = parser.CurrentChunk;
while ((chunk = parser.ParseNext()) != null)
{
if (chunk.IsOpenTag && chunk.Tag == "a")
{
item = new BookmarkLink();
AssignLinkAttributes(item, chunk.oParams);
item.Title = GetTextOrDontMove(parser);
}
else if (chunk.IsOpenTag && chunk.Tag == "dd" && item != null)
{
item.Description = ParseDescription(parser);
}
else if (chunk.IsOpenTag && chunk.Tag == "h3")
{
var folder = new BookmarkFolder();
AssignFolderAttributes(folder, chunk.oParams);
folder.Title = GetTextOrDontMove(parser);
return(folder);
}
else if ((chunk.IsOpenTag && chunk.Tag == "dt") || chunk.Tag == "dl")
{
parser.StepBack(prevChunk);
break;
}
prevChunk = chunk;
}
return(item);
}
protected virtual void WriteLinkLine(BookmarkLink link, TextWriter writer, XmlWriter xmlWriter)
{
writer.Write("<DT>");
xmlWriter.WriteStartElement("A");
if (link.LastModified.HasValue)
{
xmlWriter.WriteAttributeString("LAST_MODIFIED", link.LastModified.Value.ToUnixTimestamp().ToString());
}
if (link.LastVisit.HasValue)
{
xmlWriter.WriteAttributeString("LAST_VISIT", link.LastVisit.Value.ToUnixTimestamp().ToString());
}
if (link.Added.HasValue)
{
xmlWriter.WriteAttributeString("ADD_DATE", link.Added.Value.ToUnixTimestamp().ToString());
}
if (!string.IsNullOrEmpty(link.IconUrl))
{
xmlWriter.WriteAttributeString("ICON_URI", link.IconUrl);
}
if (!string.IsNullOrEmpty(link.IconContentType) && link.IconData != null)
{
WriteEmbeddedIcon(link, xmlWriter);
}
if (!string.IsNullOrEmpty(link.FeedUrl))
{
xmlWriter.WriteAttributeString("FEED", "true");
xmlWriter.WriteAttributeString("FEEDURL", link.FeedUrl);
}
xmlWriter.WriteAttributeString("HREF", link.Url);
if (link.Attributes != null && link.Attributes.Any())
{
WriteCustomAttributes(link.Attributes, xmlWriter);
}
xmlWriter.WriteString(link.Title);
xmlWriter.WriteEndElement();
xmlWriter.Flush();
if (!string.IsNullOrEmpty(link.Description))
{
writer.WriteLine();
writer.Write("<DD>");
xmlWriter.WriteString(link.Description);
xmlWriter.Flush();
}
writer.WriteLine();
}
private void AssignLinkAttributes(BookmarkLink link, IEnumerable <KeyValuePair <string, string> > attributes)
{
if (attributes == null)
{
return;
}
foreach (var attr in attributes)
{
switch (attr.Key)
{
case "href":
link.Url = attr.Value;
break;
case "last_modified":
link.LastModified = DateTimeHelper.FromUnixTimeStamp(attr.Value);
break;
case "add_date":
link.Added = DateTimeHelper.FromUnixTimeStamp(attr.Value);
break;
case "last_visited":
link.LastVisit = DateTimeHelper.FromUnixTimeStamp(attr.Value);
break;
case "icon":
string contentType;
link.IconData = DecodeEmbededIcon(attr.Value, out contentType);
link.IconContentType = contentType;
break;
case "icon_uri":
link.IconUrl = attr.Value;
break;
case "feedurl":
link.FeedUrl = attr.Value;
break;
}
if (!link.Attributes.ContainsKey(attr.Key))
{
link.Attributes.Add(attr.Key, attr.Value);
}
}
}