// Parse the version of the document
private void ParseBookMapVersion(DitaElement bookMetaElement)
{
// Try checking the publisher information section
DitaElement publisherInformationElement = bookMetaElement?.FindOnlyChild("publisherinformation");
DitaElement publishedElement = publisherInformationElement?.FindChildren("published")?.Last();
DitaElement revisionIdElement = publishedElement?.FindOnlyChild("revisionid");
string version = revisionIdElement?.ToString();
// Try checking the prodinfo section
if (string.IsNullOrWhiteSpace(version) || version == "ProductVersionNumber")
{
DitaElement prodinfoElement = bookMetaElement?.FindOnlyChild("prodinfo");
DitaElement vrmlistElement = prodinfoElement?.FindOnlyChild("vrmlist");
DitaElement vrmElement = vrmlistElement?.FindChildren("vrm")?[0];
version = vrmElement?.Attributes?["version"];
}
if (!string.IsNullOrWhiteSpace(version))
{
BookMeta.Add("version", version);
}
}
// Converts a single dita tag attribute to an html attribute
private (string newKey, string newValue) ConvertDitaTagAttributeToHtmlTagAttribute(string key, string value, DitaElement element)
{
switch (element.Type)
{
case "a":
return(key, value);
case "colspec":
if (key == "colname")
{
FixUpTableColumnSpecs();
_tableColumnSpecs[TableColumnIndex].Name = value;
}
if (key == "colwidth")
{
FixUpTableColumnSpecs();
_tableColumnSpecs[TableColumnIndex].Width = value;
}
if (key == "colnum")
{
if (int.TryParse(value, out int colnum))
{
FixUpTableColumnSpecs();
_tableColumnSpecs[TableColumnIndex].Number = colnum;
}
}
break;
case "entry":
if (key == "morerows")
{
if (int.TryParse(value, out int rowspan))
{
return("rowspan", $"{rowspan + 1}");
}
}
if (key == "valign")
{
return(key, value);
}
break;
case "image":
if (key == "href")
{
if (IsImageElementSvg(element))
{
return("data", ImageUrlFromHref(value));
}
return("src", ImageUrlFromHref(value));
}
break;
case "section":
if (key == "id")
{
CurrentSection = new DitaPageSectionJson {
Anchor = value
};
return(key, value);
}
break;
case "tgroup":
if (key == "cols")
{
if (int.TryParse(value, out int columns))
{
_tableColumnSpecs = new DitaTableColumnSpec[columns];
}
}
break;
case "xref":
if (key == "href")
{
string url = UrlFromXref(element, out string title);
// If we encounter an empty xref, we want to try to generate link text, based on what it links too
if (string.IsNullOrWhiteSpace(element.ToString()))
{
element.SetInnerText(title);
}
return(key, url);
}
break;
}
return("", "");
}
// Takes a DITA "tag" and returns the corresponding HTML tag
private string ConvertDitaTagToHtmlTag(DitaElement element)
{
switch (element.Type)
{
case "b": return("strong");
case "colspec":
TableColumnIndex++;
FixUpTableColumnSpecs();
_tableColumnSpecs[TableColumnIndex] = new DitaTableColumnSpec {
Number = (TableColumnIndex + 1)
};
return("");
case "entry":
TableRowColumnIndex++;
if (element.Parent?.Parent?.Type == "thead" || element.AttributeValueOrDefault("class", "") == "th")
{
return("th");
}
return("td");
case "fig": return("figure");
case "image":
// Is this referring to an SVG or other type of image?
if (IsImageElementSvg(element))
{
return("object");
}
return("img");
case "keyword": return("");
case "row":
TableRowColumnIndex = -1;
return("tr");
case "steps":
return("ol");
case "step":
return("li");
case "table":
TableColumnIndex = -1;
_tableColumnSpecs = null;
break;
case "tgroup":
TableColumnIndex = -1;
_tableColumnSpecs = null;
return("");
case "title":
if (element.Parent?.Type == "section")
{
// Create a reference to this section, if this is the title of the section
if (CurrentSection != null)
{
if (string.IsNullOrEmpty(CurrentSection.Title) && !string.IsNullOrEmpty(CurrentSection.Anchor))
{
CurrentSection.Title = element.ToString();
Sections.Add(CurrentSection);
CurrentSection = null;
}
}
return("h3");
}
return("h4");
case "xref":
return("a");
case "#text": return("");
}
return(element.Type);
}