protected virtual void RenderContent(CoconaHelpRenderingContext ctx, ICoconaHelpContent content)
{
switch (content)
{
case ICoconaHelpSectioningContent section:
RenderSectioningContent(ctx, section);
break;
case HelpHeading heading:
RenderHeading(ctx, heading);
break;
case HelpParagraph paragraph:
RenderParagraph(ctx, paragraph);
break;
case HelpLabelDescriptionList labelDescriptionList:
RenderLabelDescriptionList(ctx, labelDescriptionList);
break;
case HelpPreformattedText preformattedText:
RenderPreformattedText(ctx, preformattedText);
break;
}
}
public string Render(HelpMessage message)
{
var ctx = new CoconaHelpRenderingContext();
RenderContent(ctx, message);
return(ctx.StringBuilder.ToString());
}
protected virtual void RenderParagraph(CoconaHelpRenderingContext ctx, HelpParagraph paragraph)
{
var depth = ctx.CurrentDepth - 1;
ctx.StringBuilder
.AppendPadding(depth)
.AppendLine(paragraph.Content);
}
protected virtual void RenderHeading(CoconaHelpRenderingContext ctx, HelpHeading heading)
{
var depth = ctx.CurrentDepth - 1;
ctx.StringBuilder
.AppendPadding(depth)
.AppendLine(heading.Content);
}
public SectionStackItem(CoconaHelpRenderingContext ctx, ICoconaHelpSectioningContent section)
{
_ctx = ctx;
_ctx.Sections.Push(this);
_ctx.CurrentSection = this;
Section = section;
ChildPosition = 0;
}
protected virtual void RenderPreformattedText(CoconaHelpRenderingContext ctx, HelpPreformattedText pre)
{
var depth = ctx.CurrentDepth - 1;
foreach (var line in pre.Content.Split('\n'))
{
ctx.StringBuilder
.AppendPadding(depth)
.AppendLine(line.TrimEnd());
}
}
protected virtual void RenderLabelDescriptionList(CoconaHelpRenderingContext ctx, HelpLabelDescriptionList labelDescriptionList)
{
var depth = ctx.CurrentDepth - 1;
var maxLabelLen = labelDescriptionList.Items.Max(x => x.Label.Length);
foreach (var labelAndDesc in labelDescriptionList.Items)
{
ctx.StringBuilder
.AppendPadding(depth)
.Append(labelAndDesc.Label)
.AppendPadding(maxLabelLen - labelAndDesc.Label.Length, " ")
.Append(" ")
.AppendLine(labelAndDesc.Description);
}
}
protected virtual void RenderSectioningContent(CoconaHelpRenderingContext ctx, ICoconaHelpSectioningContent section)
{
using (new CoconaHelpRenderingContext.SectionStackItem(ctx, section))
{
var prevContentIsSection = false;
foreach (var child in section.Children)
{
if (prevContentIsSection)
{
ctx.StringBuilder.AppendLine();
}
RenderContent(ctx, child);
ctx.CurrentSection !.Advance();
if (child is ICoconaHelpSectioningContent)
{
prevContentIsSection = true;
}
}
}
}
