private void AddCommandList(Document doc, CommandGroup group)
{
ParagraphStyle style = new ParagraphStyle
{
Indent = 3,
Tabs = new[] { 22 }
};
// TODO - add option to show ALL commands/groups
const bool showHidden = false;
var commands = GetExpandedCommandNodes(group, showHidden)
.Select(x => new { x.Node, x.Depth, Verb = VerbPath(x.Node, x.Depth - 1) });
foreach (var entry in commands.OrderBy(x => x.Verb))
{
if (entry.Node.Hidden)
{
continue;
}
var para = doc.AddParagraph(new Paragraph(style));
// TODO - highlight the command by setting span style?
para.AddSpan(new Span(entry.Verb));
para.AddTab();
if (!string.IsNullOrEmpty(entry.Node.Summary))
{
para.AddSpan(new Span(entry.Node.Summary));
}
}
}
public static IEnumerable<Paragraph> Parse(string content, ParagraphStyle style = null)
{
if (string.IsNullOrEmpty(content))
{
yield break;
}
if (style == null)
{
style = new ParagraphStyle();
}
// TODO - this is a HACK! Make this work right! (A blank line should start a new paragraph, for a start)
StringBuilder builder = new StringBuilder();
Paragraph para;
int returnCount = 0;
foreach (var c in content)
{
switch (c)
{
case '\n':
break;
case '\r':
returnCount += 1;
if (returnCount > 1)
{
para = new Paragraph(style);
para.AddSpan(builder.ToString().Trim());
yield return para;
builder.Clear();
}
else
{
builder.Append(' ');
}
break;
default:
builder.Append(c);
returnCount = 0;
break;
}
}
para = new Paragraph(style);
para.AddSpan(builder.ToString().Trim());
yield return para;
}
public Paragraph(ParagraphStyle style)
{
Style = style;
}
private void AddName(Command command, Document doc, ParagraphStyle headerStyle)
{
var para = doc.AddParagraph(new Paragraph(headerStyle));
para.AddSpan("NAME");
// TODO - rather than drawing dashes, make the prior span a different color or some such
para = doc.AddParagraph(new Paragraph());
para.AddSpan("----");
para = doc.AddParagraph(new Paragraph());
para.AddSpan(VerbPath(command));
para.AddSpan("-");
para.AddSpan(command.Summary);
}
private Document CommandHelp(Command command)
{
Document doc = new Document();
// TODO - create a "style sheet" that can be passed around
var headerStyle = new ParagraphStyle { LinesBefore = 1 };
AddName(command, doc, headerStyle);
AddSynopsis(command, doc, headerStyle);
// TODO - add long description
AddOptions(command, doc, headerStyle);
return doc;
}
private void AddSynopsis(Command command, Document doc, ParagraphStyle headerStyle)
{
var para = doc.AddParagraph(new Paragraph(headerStyle));
para.AddSpan("SYNOPSIS");
para = doc.AddParagraph(new Paragraph());
para.AddSpan("--------");
para = doc.AddParagraph(new Paragraph());
para.AddSpan(VerbPath(command));
foreach (var named in command.NamedParameters)
{
para.AddSpan(named.Usage);
}
// TODO - pick up any positional parameters on prior verbs
foreach (var pos in command.PositionalParameters)
{
para.AddSpan(pos.Usage);
}
}
private void AddOptions(Command command, Document doc, ParagraphStyle headerStyle)
{
var para = doc.AddParagraph(new Paragraph(headerStyle));
para.AddSpan("OPTIONS");
para = doc.AddParagraph(new Paragraph());
para.AddSpan("-------");
var descStyle = new ParagraphStyle
{
Indent = 3,
LinesAfter = 1
};
foreach (var named in command.NamedParameters)
{
para = doc.AddParagraph(new Paragraph());
para.AddSpan(named.Usage);
foreach (var p in MarkLeft.Parse(named.Description, descStyle))
{
doc.AddParagraph(p);
}
}
// TODO - add positional parameters from prior verbs
foreach (var pos in command.PositionalParameters)
{
para = doc.AddParagraph(new Paragraph());
para.AddSpan(pos.Usage);
foreach (var p in MarkLeft.Parse(pos.Description, descStyle))
{
doc.AddParagraph(p);
}
}
}
