protected override void Write(MamlRenderer renderer, ListBlock listBlock)
{
renderer.EnsureLine();
if (listBlock.IsOrdered)
{
renderer.Push(MamlElements.list, new Dictionary <string, string> {
["class"] = "ordered"
});
}
else
{
renderer.Push(MamlElements.list, new Dictionary <string, string> {
["class"] = "bullet"
});
}
foreach (var item in listBlock)
{
var listItem = (ListItemBlock)item;
renderer.EnsureLine();
renderer.Push(MamlElements.listItem);
renderer.WriteChildren(listItem);
renderer.PopTo(MamlElements.listItem);
}
renderer.PopTo(MamlElements.list);
}
protected override void Write(MamlRenderer renderer, AutolinkInline obj)
{
renderer.Push(MamlElements.externalLink);
renderer.Push(MamlElements.linkUri);
renderer.Write(obj.Url);
renderer.PopTo(MamlElements.linkUri);
renderer.PopTo(MamlElements.externalLink);
}
protected override void Write(MamlRenderer renderer, Markdig.Extensions.Figures.FigureCaption obj)
{
renderer.Push(MamlElements.para);
renderer.WriteLeafInline(obj);
renderer.EnsureLine();
renderer.PopTo(MamlElements.para);
}
protected override void Write(MamlRenderer renderer, QuoteBlock obj)
{
renderer.EnsureLine();
renderer.Push(MamlElements.quote);
renderer.WriteChildren(obj);
renderer.PopTo(MamlElements.quote);
}
protected override void Write(MamlRenderer renderer, CodeBlock obj)
{
renderer.EnsureLine();
renderer.Push(MamlElements.code);
renderer.WriteLeafRawLines(obj, true, true);
renderer.PopTo(MamlElements.code);
}
protected override void Write(MamlRenderer renderer, MathBlock obj)
{
string formulaText = string.Empty; // obj.Content.Text.Substring(obj.Content.Start, obj.Content.Length);
for (int i = 0; i < obj.Lines.Count; ++i)
{
var l = obj.Lines.Lines[i];
formulaText += l.Slice.Text.Substring(l.Slice.Start, l.Slice.Length);
}
if (string.IsNullOrEmpty(formulaText))
{
return;
}
var formulaService = Current.GetRequiredService <ILaTeXFormulaImageStreamProvider>();
var(stream, placement, offset, width, height) = formulaService.Parse(formulaText, renderer.BodyTextFontFamily, renderer.BodyTextFontSize, 192, renderer.IsIntendedForHelp1File);
if (null == stream)
{
return;
}
stream.Seek(0, SeekOrigin.Begin);
var streamHash = MemoryStreamImageProxy.ComputeStreamHash(stream);
stream.Seek(0, SeekOrigin.Begin);
try
{
renderer.StorePngImageFile(stream, streamHash);
stream.Close();
}
finally
{
stream.Dispose();
}
// now render to Maml file
string localUrl = "../media/" + streamHash + ".png";
var attributes = new Dictionary <string, string>
{
{ "src", localUrl },
{ "width", System.Xml.XmlConvert.ToString(width) },
{ "height", System.Xml.XmlConvert.ToString(height) }
};
renderer.Push(MamlElements.markup);
renderer.Push(MamlElements.a, new[] { new KeyValuePair <string, string>("href", renderer.ImageTopicFileGuid + ".htm#" + streamHash) });
renderer.Push(MamlElements.img, attributes);
renderer.PopTo(MamlElements.markup);
}
protected override void Write(MamlRenderer renderer, ThematicBreakBlock obj)
{
// since there is no direct equivalent to a thematic break in Maml,
// here we use a paragraph with 80 underlines
renderer.Push(MamlElements.markup);
renderer.Write("<hr/>");
renderer.PopTo(MamlElements.markup);
}
protected override void Write(MamlRenderer renderer, EmphasisInline obj)
{
MamlElement mamlElement = null;
switch (obj.DelimiterChar)
{
case '*':
case '_':
if (obj.IsDouble)
{
mamlElement = MamlElements.legacyBold;
}
else
{
mamlElement = MamlElements.legacyItalic;
}
break;
case '~':
if (obj.IsDouble)
{
mamlElement = MamlElements.legacyStrikethrough;
}
else
{
mamlElement = MamlElements.subscript;
}
break;
case '^':
mamlElement = MamlElements.superscript;
break;
case '+':
// Inserted style
mamlElement = MamlElements.legacyUnderline;
break;
case '=':
// Marked style
break;
}
if (null != mamlElement)
{
renderer.Push(mamlElement);
}
renderer.WriteChildren(obj);
if (null != mamlElement)
{
renderer.PopTo(mamlElement);
}
}
protected override void Write(MamlRenderer renderer, HeadingBlock obj)
{
bool newFileWasStarted = renderer.TryStartNewMamlFile(obj);
if (newFileWasStarted)
{
}
else
{
// Ensure we have the sections element somewhere down the line ...
// we need (obj.Level - renderer.SplitLevel) section elements down the stack
int numberOfSectionsElementsRequired = obj.Level - renderer.SplitLevel - 1;
int numberOfSectionsElementsOnStack = renderer.NumberOfElementsOnStack(MamlElements.sections);
// Push sections element if required
for (int i = 0; i < numberOfSectionsElementsRequired - numberOfSectionsElementsOnStack; ++i)
{
renderer.Push(MamlElements.sections);
}
if (numberOfSectionsElementsOnStack > 0 && numberOfSectionsElementsRequired > 0)
{
// Or pop sections elements if required
for (int i = 0; i < numberOfSectionsElementsOnStack - numberOfSectionsElementsRequired; ++i)
{
renderer.PopToBefore(MamlElements.sections);
}
}
if (numberOfSectionsElementsRequired == 0)
{
renderer.PopToBefore(MamlElements.developerConceptualDocument);
}
// Find a unique address in order for AutoOutline to work
var attr = (Markdig.Renderers.Html.HtmlAttributes)obj.GetData(typeof(Markdig.Renderers.Html.HtmlAttributes));
string uniqueAddress = attr?.Id; // this header has a user defined address
if (string.IsNullOrEmpty(uniqueAddress))
{
renderer.HeaderGuids.TryGetValue(obj.Span.Start, out uniqueAddress); // use the guid generated from the hierarchy of titles
}
if (string.IsNullOrEmpty(uniqueAddress))
{
uniqueAddress = Guid.NewGuid().ToString(); // fallback (should not happen): Create Guid
}
renderer.Push(MamlElements.section, new[] { new KeyValuePair <string, string>("address", uniqueAddress) });
renderer.Push(MamlElements.title);
renderer.WriteLeafInline(obj);
renderer.EnsureLine();
renderer.PopTo(MamlElements.title);
renderer.Push(MamlElements.content);
}
}
protected override void Write(MamlRenderer renderer, ParagraphBlock obj)
{
if (!renderer.IsFirstInContainer)
{
renderer.EnsureLine();
}
renderer.Push(MamlElements.para);
renderer.WriteLeafInline(obj);
renderer.EnsureLine();
renderer.PopTo(MamlElements.para);
}
/// <inheritdoc/>
protected override void Write(MamlRenderer renderer, LinkInline link)
{
var url = link.GetDynamicUrl != null?link.GetDynamicUrl() ?? link.Url : link.Url;
if (link.IsImage)
{
RenderImage(renderer, link, url);
}
else // link is not an image
{
if (Uri.IsWellFormedUriString(url, UriKind.RelativeOrAbsolute))
{
renderer.Push(MamlElements.externalLink);
renderer.Push(MamlElements.linkText);
renderer.WriteChildren(link);
renderer.PopTo(MamlElements.linkText);
renderer.Push(MamlElements.linkUri);
renderer.Write(url);
renderer.PopTo(MamlElements.linkUri);
renderer.PopTo(MamlElements.externalLink);
}
else // not a well formed Uri String - then it is probably a fragment reference
{
// the challenge here is to find out where (in which file) our target is. The file might even not be defined in the moment
var(fileGuid, localUrl) = renderer.FindFragmentLink(url);
string totalAddress = string.Empty;
if (null != fileGuid && null != localUrl)
{
totalAddress = fileGuid + "#" + localUrl;
}
renderer.Push(MamlElements.link, new[] { new KeyValuePair <string, string>("xlink:href", totalAddress) });
renderer.WriteChildren(link);
renderer.PopTo(MamlElements.link);
}
}
}
protected override void Write(MamlRenderer renderer, Table table)
{
renderer.Push(MamlElements.table);
renderer.Push(MamlElements.tableHeader);
foreach (TableRow row in table)
{
if (row.IsHeader)
{
renderer.Push(MamlElements.row);
foreach (TableCell cell in row)
{
renderer.Push(MamlElements.entry);
renderer.Write(cell);
renderer.PopTo(MamlElements.entry);
}
renderer.PopTo(MamlElements.row);
}
}
renderer.PopTo(MamlElements.tableHeader);
foreach (TableRow row in table)
{
if (!row.IsHeader)
{
renderer.Push(MamlElements.row);
foreach (TableCell cell in row)
{
renderer.Push(MamlElements.entry);
renderer.Write(cell);
renderer.PopTo(MamlElements.entry);
}
renderer.PopTo(MamlElements.row);
}
}
renderer.PopTo(MamlElements.table);
}
private void RenderImage(MamlRenderer renderer, LinkInline link, string url)
{
double?width = null, height = null;
if (link.ContainsData(typeof(Markdig.Renderers.Html.HtmlAttributes)))
{
var htmlAttributes = (Markdig.Renderers.Html.HtmlAttributes)link.GetData(typeof(Markdig.Renderers.Html.HtmlAttributes));
if (null != htmlAttributes.Properties)
{
foreach (var entry in htmlAttributes.Properties)
{
switch (entry.Key.ToLowerInvariant())
{
case "width":
width = GetLength(entry.Value);
break;
case "height":
height = GetLength(entry.Value);
break;
}
}
}
}
if (null != renderer.OldToNewImageUris && renderer.OldToNewImageUris.ContainsKey(url))
{
url = renderer.OldToNewImageUris[url];
}
if (width == null && height == null) // if we include the image in its native resolution, we do not need a link to the native resolution image
{
string localUrl = System.IO.Path.GetFileNameWithoutExtension(url);
renderer.Push(MamlElements.mediaLinkInline);
renderer.Push(MamlElements.image, new[] { new KeyValuePair <string, string>("xlink:href", localUrl) });
renderer.PopTo(MamlElements.image);
renderer.PopTo(MamlElements.mediaLinkInline);
}
else // width or height or both specified
{
string localUrl = "../media/" + System.IO.Path.GetFileName(url);
var attributes = new Dictionary <string, string>
{
{ "src", localUrl }
};
if (width.HasValue)
{
attributes.Add("width", System.Xml.XmlConvert.ToString(Math.Round(width.Value)));
}
if (height.HasValue)
{
attributes.Add("height", System.Xml.XmlConvert.ToString(height.Value));
}
renderer.Push(MamlElements.markup);
renderer.Push(MamlElements.a, new[] { new KeyValuePair <string, string>("href", renderer.ImageTopicFileGuid + ".htm#" + System.IO.Path.GetFileNameWithoutExtension(url)) });
renderer.Push(MamlElements.img, attributes);
renderer.PopTo(MamlElements.markup);
}
}
protected override void Write(MamlRenderer renderer, CodeInline obj)
{
renderer.Push(MamlElements.codeInline);
renderer.WriteEscape(obj.Content);
renderer.PopTo(MamlElements.codeInline);
}
protected override void Write(MamlRenderer renderer, MathInline obj)
{
var formulaText = obj.Content.Text.Substring(obj.Content.Start, obj.Content.Length);
if (string.IsNullOrEmpty(formulaText))
{
return;
}
var formulaService = Current.GetRequiredService <ILaTeXFormulaImageStreamProvider>();
var(stream, placement, offset, width, height) = formulaService.Parse(formulaText, renderer.BodyTextFontFamily, renderer.BodyTextFontSize, 192, renderer.IsIntendedForHelp1File);
if (null == stream)
{
return;
}
stream.Seek(0, SeekOrigin.Begin);
var streamHash = MemoryStreamImageProxy.ComputeStreamHash(stream);
stream.Seek(0, SeekOrigin.Begin);
try
{
renderer.StorePngImageFile(stream, streamHash);
stream.Close();
}
finally
{
stream.Dispose();
}
// now render to Maml file
string localUrl = "../media/" + streamHash + ".png";
var attributes = new Dictionary <string, string>
{
{ "src", localUrl },
{ "width", System.Xml.XmlConvert.ToString(width) },
{ "height", System.Xml.XmlConvert.ToString(height) }
};
if (renderer.IsIntendedForHelp1File)
{
attributes.Add("align", placement);
}
else
{
attributes.Add("style", string.Format(System.Globalization.CultureInfo.InvariantCulture, "vertical-align:{0}px;", offset));
}
renderer.Push(MamlElements.markup);
renderer.Push(MamlElements.a, new[] { new KeyValuePair <string, string>("href", renderer.ImageTopicFileGuid + ".htm#" + streamHash) });
renderer.Push(MamlElements.img, attributes);
renderer.PopTo(MamlElements.markup);
}
