lib/markdown: merge processor and emitter

[nit.git] / lib / markdown / nitmd.nit

diff --git a/lib/markdown/nitmd.nit b/lib/markdown/nitmd.nit
index 781a484..83e457d 100644 (file)
--- a/lib/markdown/nitmd.nit
+++ b/lib/markdown/nitmd.nit
@@ -16,21 +16,44 @@
 module nitmd
 
 import markdown
+import decorators
+import man
 
-if args.length != 1 then
-       print "usage: nitmd <file.md>"
-       exit 0
+import opts
+
+var options = new OptionContext
+var opt_help = new OptionBool("Show this help.", "-h", "-?", "--help")
+options.add_option(opt_help)
+var opt_to = new OptionString("Specify output format (html, md, man)", "-t", "--to")
+options.add_option(opt_to)
+
+options.parse(args)
+if options.rest.length != 1 then
+       print "usage: nitmd [-t format] <file.md>"
+       options.usage
+       exit 1
 end
 
-var file = args.first
+var file = options.rest.first
 if not file.file_exists then
        print "'{file}' not found"
-       exit 0
+       exit 1
 end
 
-var ifs = new IFStream.open(file)
+var ifs = new FileReader.open(file)
 var md = ifs.read_all
 ifs.close
 
 var processor = new MarkdownProcessor
+var to = opt_to.value
+if to == null or to == "html" then
+       # Noop
+else if to == "md" then
+       processor.decorator = new MdDecorator
+else if to == "man" then
+       processor.decorator = new ManDecorator
+else
+       print "Unknown output format: {to}"
+       exit 1
+end
 print processor.process(md)