public static void Main(string[] args)
{
bool showHelp = false;
bool showVersion = false;
Options options = new Options();
OptionSet optionSet = new OptionSet()
.Add("r|renderer=", "choose a renderer: html, bbcode, toc",
(string renderer) =>
{
switch (renderer)
{
case "html":
options.Renderer = RendererType.Html;
break;
case "bb":
case "bbcode":
options.Renderer = RendererType.BBCode;
break;
case "toc":
options.Renderer = RendererType.TableOfContent;
break;
default:
Console.WriteLine("no such renderer");
Environment.Exit(0);
break;
}
})
.Add("h|?|help", "show help",
(_) => showHelp = true)
.Add("m|maxnesting=", "specify the maximum nesting level, default 16, minimum 1",
(int i) => options.MaxNesting = Math.Max(1, i))
.Add("v|version", "show version",
(_) => showVersion = true)
.Add("b|benchmark=", "enables benchmark mode, specify the number of iterations you want to test",
(long i) => options.Iterations = i)
;
OptionSet markdownExtensionOptionSet = new OptionSet()
.Add("autolink", "enable autolinks",
(_) => options.Extensions.Autolink = true)
.Add("tables", "enable tables",
(_) => options.Extensions.Tables = true)
.Add("fencedcode", "enable fenced code",
(_) => options.Extensions.FencedCode = true)
.Add("strikethrough", "enable strikethrough",
(_) => options.Extensions.Strikethrough = true)
.Add("spaceheaders", "enable spaceheaders",
(_) => options.Extensions.SpaceHeaders = true)
.Add("superscript", "enable superscript",
(_) => options.Extensions.SuperScript = true)
.Add("laxspacing", "enable lax spacing",
(_) => options.Extensions.LaxSpacing = true)
;
OptionSet htmlRendererModeOptionSet = new OptionSet()
.Add("skiphtml", "skip html",
(_) => options.HtmlRenderMode.SkipHtml = true)
.Add("skipstyle", "skip styles",
(_) => options.HtmlRenderMode.SkipStyle = true)
.Add("skipimages", "skip images",
(_) => options.HtmlRenderMode.SkipImages = true)
.Add("skiplinks", "skip links",
(_) => options.HtmlRenderMode.SkipLinks = true)
.Add("skipexpandtabs", "don't expand tabs",
(_) => options.HtmlRenderMode.SkipExpandTabs = true)
.Add("safelink", "check links if they are safe to use",
(_) => options.HtmlRenderMode.SafeLink = true)
.Add("toc", "use the toc rendering mode",
(_) => options.HtmlRenderMode.TOC = true)
.Add("hardwrap", "use hard wrapping",
(_) => options.HtmlRenderMode.HardWrap = true)
.Add("xhtml", "generate xhtml",
(_) => options.HtmlRenderMode.UseXHTML = true)
.Add("escape", "",
(_) => options.HtmlRenderMode.Escape = true)
;
OptionSet bbRendererOptionSet = new OptionSet()
.Add("defaultheadersize=", "sets the default header size",
(int size) => options.BBCodeOptions.DefaultHeaderSize = size)
.Add("headersizes=", "sets the header sizes starting with level 1 and increasing, " +
"\"20,15,10\" will set the level 1 headers to the size 20, level 2 to 15, 3 to 10 " +
"and the rest to defaultheadersize.",
(string sizes) =>
{
var arr = sizes.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
options.BBCodeOptions.HeaderSizes = new Dictionary<int, int>();
for (int i = 0; i < arr.Length; i++)
{
options.BBCodeOptions.HeaderSizes[i + 1] = int.Parse(arr[i]);
}
})
;
var files = markdownExtensionOptionSet.Parse(optionSet.Parse(args));
if (showHelp)
{
Console.WriteLine("Usage: sundown [OPTIONS] file");
Console.WriteLine();
Console.WriteLine("Options:");
optionSet.WriteOptionDescriptions(Console.Out);
Console.WriteLine("\nMarkdown extension options:");
markdownExtensionOptionSet.WriteOptionDescriptions(Console.Out);
Console.WriteLine("\nHtml renderer options");
htmlRendererModeOptionSet.WriteOptionDescriptions(Console.Out);
Console.WriteLine("\nBBCode renderer options");
bbRendererOptionSet.WriteOptionDescriptions(Console.Out);
return;
}
else if (showVersion)
{
Console.WriteLine("sundown.net 0.1, sundown {0}", Markdown.Version);
return;
}
if (options.Renderer == RendererType.Html)
{
files = htmlRendererModeOptionSet.Parse(files);
}
else
{
files = bbRendererOptionSet.Parse(files);
}
if (files.Count < 1)
{
Console.WriteLine("You have to provide a filename as an argument");
}
else
{
Work(options, files[0]);
}
}
static void Work(Options options, string inputfile)
{
Renderer renderer = null;
switch (options.Renderer)
{
case RendererType.Html:
renderer = new HtmlRenderer(options.HtmlRenderMode);
break;
case RendererType.BBCode:
renderer = new BBCodeRenderer(options.BBCodeOptions);
break;
case RendererType.TableOfContent:
renderer = new TableOfContentRenderer();
break;
}
var md = new Markdown(renderer, options.Extensions, options.MaxNesting);
if (options.Iterations > 0)
{
try
{
using (var sr = new StreamReader(File.OpenRead(inputfile)))
{
var text = sr.ReadToEnd();
var bytetext = Encoding.ASCII.GetBytes(text);
long text2text;
long byte2byte;
Stopwatch s = new Stopwatch();
s.Start();
for (long i = 0; i < options.Iterations; i++)
{
md.Transform(text);
}
text2text = s.ElapsedMilliseconds;
s.Stop();
s.Reset();
s.Start();
for (long i = 0; i < options.Iterations; i++)
{
md.Transform(bytetext);
}
byte2byte = s.ElapsedMilliseconds;
s.Stop();
Console.WriteLine("{0} iterations", options.Iterations);
Console.WriteLine("text2text: {0}", text2text);
Console.WriteLine("byte2byte: {0}", byte2byte);
}
}
catch (Exception exception)
{
Console.WriteLine("Unable to open input file {0}: {1}", inputfile, exception.Message);
return;
}
return;
}
using (Buffer buffer = Buffer.Create())
try
{
using (var sr = new StreamReader(File.OpenRead(inputfile)))
md.Render(buffer, sr.ReadToEnd());
}
catch (Exception exception)
{
Console.WriteLine("Unable to open input file {0}: {1}", inputfile, exception.Message);
return;
}
finally
{
Console.Write(buffer);
}
}
