protected override void handleTag(BBeBTag tag)
{
switch (tag.Id)
{
case TagId.Text:
string encoded = HttpUtility.HtmlEncode(((TextTag)tag).Value);
StringBuilder utf8 = new StringBuilder();
foreach (char ch in encoded)
{
if ((ushort)ch > 127)
{
utf8.AppendFormat("&#{0};", (ushort)ch);
}
else
{
utf8.Append(ch);
}
}
data.Append(utf8.ToString());
break;
case TagId.EOL:
data.Append("<br />");
break;
case TagId.ItalicBegin:
data.Append("<i>");
break;
case TagId.ItalicEnd:
data.Append("</i>");
break;
case TagId.BeginSup:
data.Append("<sup>");
break;
case TagId.EndSup:
data.Append("</sup>");
break;
case TagId.BeginSub:
data.Append("<sub>");
break;
case TagId.EndSub:
data.Append("</sub>");
break;
case TagId.BeginButton:
// TODO Can probably turn this into a hyperlink
break;
case TagId.FontSize:
UInt16Tag fontSizeTag = (UInt16Tag)tag;
if (fontSizeTag.Value == 100)
{
data.AppendFormat("</{0}>", m_eLastHeadingTag.ToString());
m_eLastHeadingTag = TagType.Unknown;
}
TagType type = ConvertFontSizeToHeading(fontSizeTag.Value);
switch (type)
{
case TagType.H1:
case TagType.H2:
case TagType.H3:
case TagType.H4:
case TagType.H5:
case TagType.H6:
data.AppendFormat("<{0}>", type.ToString());
m_eLastHeadingTag = type;
break;
}
break;
case TagId.BeginPage:
data.Append("<p>");
break;
case TagId.EndPage:
data.Append("</p>");
break;
case TagId.FontWeight:
break;
case TagId.FontWidth:
break;
case TagId.EndButton:
case TagId.KomaPlot:
break;
default:
break;
}
}
/// <summary>
/// Write the tag serialized data using the supplied writer.
/// </summary>
/// <remarks>
/// This is a really KLUDGY routine. Even though it deals with primitive
/// types it has knowledge of what those types mean. For example the UInt16ArrayTag
/// doesn't have a length value written, but the UInt32ArrayTag does. This is
/// a very brittle solution to this problem and needs to be fixed. The solution is
/// to have a serialize method for each tag type (uggh) - so you see why I took
/// this shortcut.
/// </remarks>
/// <param name="tag"></param>
/// <param name="writer"></param>
private static void SerializeTag(BBeBTag tag, BBeBinaryWriter writer)
{
ushort id = (ushort)(0xf500 + tag.Id);
if (tag.GetType() == typeof(ByteTag))
{
ByteTag t = (ByteTag)tag;
writer.Write(id);
writer.Write(t.Value);
}
else if (tag.GetType() == typeof(StreamTagGroup))
{
StreamTagSerializer.Serialize(writer, (StreamTagGroup)tag);
}
else if (tag.GetType() == typeof(ByteArrayTag))
{
ByteArrayTag t = (ByteArrayTag)tag;
if (t.Id == TagId.StreamStart)
{
byte[] data = t.Value;
writer.Write(BBeBLib.TagId.StreamSize);
writer.Write((uint)data.Length);
writer.Write(id);
writer.Write(data);
writer.Write(BBeBLib.TagId.StreamEnd);
}
else
{
writer.Write(id);
writer.Write(t.Value);
}
}
else if (tag.GetType() == typeof(UInt16Tag))
{
UInt16Tag t = (UInt16Tag)tag;
writer.Write(id);
writer.Write(t.Value);
}
else if (tag.GetType() == typeof(UInt16ArrayTag))
{
UInt16ArrayTag t = (UInt16ArrayTag)tag;
writer.Write(id);
foreach (ushort val in t.Value)
{
writer.Write(val);
}
}
else if (tag.GetType() == typeof(UInt32Tag))
{
UInt32Tag t = (UInt32Tag)tag;
// StreamSize is written out by the StreamStart tag as the data may be compressed
if (t.Id != TagId.StreamSize)
{
writer.Write(id);
// Zero byte tags (but have hardcoded data associated with them
if (t.Id != TagId.BaseButtonStart &&
t.Id != TagId.FocusinButtonStart &&
t.Id != TagId.PushButtonStart &&
t.Id != TagId.UpButtonStart)
{
writer.Write(t.Value);
}
}
}
else if (tag.GetType() == typeof(UInt32ArrayTag))
{
UInt32ArrayTag t = (UInt32ArrayTag)tag;
writer.Write(id);
// JumpTo doesn't have a length set and is hardcoded to 2!
if (t.Id != TagId.JumpTo)
{
writer.Write((ushort)t.Value.Length);
}
foreach (uint val in t.Value)
{
writer.Write(val);
}
}
else if (tag.GetType() == typeof(StringTag))
{
StringTag t = (StringTag)tag;
writer.Write(id);
writer.Write(t.Value);
}
else if (tag.GetType() == typeof(MessageTag))
{
MessageTag t = (MessageTag)tag;
writer.Write(id);
writer.Write((ushort)t.parameters);
byte[] data = System.Text.Encoding.Unicode.GetBytes(t.param1);
writer.Write((ushort)data.Length);
writer.Write(data);
data = System.Text.Encoding.Unicode.GetBytes(t.param2);
writer.Write((ushort)data.Length);
writer.Write(data);
}
else if (tag.GetType() == typeof(EmpDotsCodeTag))
{
EmpDotsCodeTag t = (EmpDotsCodeTag)tag;
writer.Write(id);
writer.Write((uint)t.Value);
SerializeTag(t.FontFace, writer);
writer.Write(t.DotsCode);
}
else if (tag.GetType() == typeof(IDOnlyTag))
{
IDOnlyTag t = (IDOnlyTag)tag;
if (t.Id != TagId.StreamEnd)
{
writer.Write(id);
}
}
else if (tag.GetType() == typeof(BBeBTag))
{
BBeBTag t = (BBeBTag)tag;
if (t.Id != TagId.StreamEnd)
{
writer.Write(id);
}
}
else
{
Debug.Assert(false, "Unknown tag type: " + tag.GetType().ToString());
}
}
