public RtfHtml Build(Document document)
{
var body = new List <IToken>();
var defaultStyles = new List <IToken>
{
new FontSize(UnitValue.FromHalfPoint(24))
};
var result = new RtfHtml();
if (document.ColorTable.Any())
{
defaultStyles.Add(new ForegroundColor(document.ColorTable.First()));
}
else
{
defaultStyles.Add(new ForegroundColor(new ColorValue(0, 0, 0)));
}
foreach (var token in document.Contents)
{
if (token is DefaultFontRef defaultFontRef)
{
var defaultFont = document.FontTable.TryGetValue(defaultFontRef.Value, out var font) ? font : document.FontTable.FirstOrDefault().Value;
if (defaultFont != null)
{
defaultStyles.Add(defaultFont);
}
}
else if (token is DefaultTabWidth tabWidth)
{
result.DefaultTabWidth = tabWidth.Value;
}
else if (token is Group group)
{
if (group.Destination?.Type != TokenType.HeaderTag)
{
body.Add(token);
}
}
else if (token.Type != TokenType.HeaderTag)
{
body.Add(token);
}
}
result.Root = Build(body, document, defaultStyles);
result.Metadata = document.Information;
return(result);
}
public void Visit(RtfHtml document)
{
DefaultTabWidth = document.DefaultTabWidth;
if (TryGetElementTag(ElementType.Meta, out var metaTag))
{
_writer.WriteStartElement("html");
if (document.Metadata.Count > 0)
{
_writer.WriteStartElement("head");
var title = document.Metadata.FirstOrDefault(k => k.Key is Title).Value as string;
if (!string.IsNullOrEmpty(title))
{
_writer.WriteElementString("title", title);
}
var baseUrl = document.Metadata.FirstOrDefault(k => k.Key is HyperlinkBase).Value as string;
if (!string.IsNullOrEmpty(baseUrl))
{
_writer.WriteStartElement("base");
_writer.WriteAttributeString("href", baseUrl);
_writer.WriteEndElement();
}
foreach (var meta in document.Metadata
.Where(k => !(k.Key is Title | k.Key is InternalVersion) && k.Value != null))
{
_writer.WriteStartElement(metaTag.Name);
if (meta.Key is CreateTime)
{
_writer.WriteAttributeString("name", "DCTERMS.created");
}
else if (meta.Key is Subject)
{
_writer.WriteAttributeString("name", "DCTERMS.subject");
}
else if (meta.Key is Author)
{
_writer.WriteAttributeString("name", "DCTERMS.creator");
}
else if (meta.Key is Manager)
{
_writer.WriteAttributeString("name", "manager");
}
else if (meta.Key is Company)
{
_writer.WriteAttributeString("name", "company");
}
else if (meta.Key is Operator)
{
_writer.WriteAttributeString("name", "operator");
}
else if (meta.Key is Category)
{
_writer.WriteAttributeString("name", "category");
}
else if (meta.Key is Keywords)
{
_writer.WriteAttributeString("name", "keywords");
}
else if (meta.Key is Comment)
{
_writer.WriteAttributeString("name", "comment");
}
else if (meta.Key is DocComment)
{
_writer.WriteAttributeString("name", "comment");
}
else if (meta.Key is RevisionTime)
{
_writer.WriteAttributeString("name", "DCTERMS.modified");
}
else if (meta.Key is PrintTime)
{
_writer.WriteAttributeString("name", "print-time");
}
else if (meta.Key is BackupTime)
{
_writer.WriteAttributeString("name", "backup-time");
}
else if (meta.Key is Tokens.Version)
{
_writer.WriteAttributeString("name", "version");
}
else if (meta.Key is EditingTime)
{
_writer.WriteAttributeString("name", "editting-time");
}
else if (meta.Key is NumPages)
{
_writer.WriteAttributeString("name", "number-of-pages");
}
else if (meta.Key is NumWords)
{
_writer.WriteAttributeString("name", "number-of-words");
}
else if (meta.Key is NumChars)
{
_writer.WriteAttributeString("name", "number-of-characters");
}
else if (meta.Key is NumCharsWs)
{
_writer.WriteAttributeString("name", "number-of-non-whitespace-characters");
}
if (meta.Value is DateTime date)
{
_writer.WriteAttributeString("content", date.ToString("s"));
}
else
{
_writer.WriteAttributeString("content", meta.Value?.ToString() ?? "");
}
_writer.WriteEndElement();
}
_writer.WriteEndElement();
}
document.Root.Visit(this);
_writer.WriteEndElement();
}
else
{
var elements = document.Root.Elements().Where(e => TryGetElementTag(e.Type, out var _)).ToList();
if (elements.Count == 1)
{
elements[0].Visit(this);
}
else
{
document.Root.Visit(this);
}
}
}
