private void PatchCData(XCData cdata, string address, string text, string pageUri)
{
var wrapper = cdata.GetWrapper();
wrapper.Elements("a")
.FirstOrDefault(e =>
e.Attribute("href").Value == address &&
e.Value == text)?
.SetAttributeValue("href", pageUri);
cdata.Value = wrapper.GetInnerXml();
}
/*
* <a href="..."><span style='vertical-align:super'>[2]</span></a>
*/
private static void RemoveReference(XCData data, int label)
{
var wrapper = data.GetWrapper();
var a = wrapper.Elements("a").Elements("span")
.Where(e =>
e.Attribute("style").Value.Contains("vertical-align:super") &&
e.Value.Equals($"[{label}]"))
.Select(e => e.Parent)
.FirstOrDefault();
if (a != null)
{
a.Remove();
data.Value = wrapper.GetInnerXml();
}
}
private static bool RestyleText(XCData cdata, bool completed)
{
var modified = false;
var wrapper = cdata.GetWrapper();
var span = wrapper.Elements("span").FirstOrDefault(e => e.Attribute("style") != null);
if (completed)
{
if (span == null)
{
wrapper.FirstNode.ReplaceWith(
new XElement("span",
new XAttribute("style", "text-decoration:line-through"),
cdata.Value
));
modified = true;
}
else
{
var style = new Style(span.Attribute("style").Value);
if (!style.IsStrikethrough)
{
style.IsStrikethrough = true;
var css = style.ToCss(false);
if (string.IsNullOrEmpty(css))
{
wrapper.Value = span.Value;
}
else
{
span.SetAttributeValue("style", style.ToCss(false));
}
modified = true;
}
}
}
else
{
if (span != null)
{
var style = new Style(span.Attribute("style").Value);
if (style.IsStrikethrough)
{
style.IsStrikethrough = false;
var css = style.ToCss(false);
if (string.IsNullOrEmpty(css))
{
wrapper.Value = span.Value;
}
else
{
span.SetAttributeValue("style", style.ToCss(false));
}
modified = true;
}
}
}
cdata.Value = wrapper.GetInnerXml();
return(modified);
}
private void WriteText(XCData cdata, bool startParagraph)
{
cdata.Value = cdata.Value
.Replace("<br>", " ") // usually followed by NL so leave it there
.Replace("[", "\\[") // escape to prevent confusion with md links
.TrimEnd();
var wrapper = cdata.GetWrapper();
foreach (var span in wrapper.Descendants("span").ToList())
{
var text = span.Value;
var att = span.Attribute("style");
// span might only have a lang attribute
if (att != null)
{
var style = new Style(span.Attribute("style").Value);
if (style.IsStrikethrough)
{
text = $"~~{text}~~";
}
if (style.IsItalic)
{
text = $"*{text}*";
}
if (style.IsBold)
{
text = $"**{text}**";
}
}
span.ReplaceWith(new XText(text));
}
foreach (var anchor in wrapper.Elements("a"))
{
var href = anchor.Attribute("href")?.Value;
if (!string.IsNullOrEmpty(href))
{
if (href.StartsWith("onenote:") || href.StartsWith("onemore:"))
{
// removes the hyperlink but preserves the text
anchor.ReplaceWith(anchor.Value);
}
else
{
anchor.ReplaceWith(new XText($"[{anchor.Value}]({href})"));
}
}
}
// escape directives
var raw = wrapper.GetInnerXml()
.Replace("<", "\\<")
.Replace("|", "\\|");
if (startParagraph && raw.Length > 0 && raw.StartsWith("#"))
{
writer.Write("\\");
}
writer.Write(raw);
}
