commonmarker in commonmarker-0.14.0

- old
+ new

@@ -1,11 +1,13 @@
 #!/usr/bin/env ruby
-# Usage: commonmarker [--html-renderer] [FILE..]
+# Usage: commonmarker [--html-renderer] [--list-extensions] [--extension=EXTENSION] [FILE..]
 # Convert one or more CommonMark files to HTML and write to standard output.
 # If no FILE argument is provided, text will be read from STDIN.
 # With --html-renderer, use the HtmlRenderer renderer rather than the native C
 # renderer.
+# With --extension=EXTENSION, EXTENSION will be used for parsing, and HTML
+# output unless --html-renderer is specified.
 if ARGV.include?('--help') or ARGV.include?('-h')
   File.read(__FILE__).split("\n").grep(/^# /).each do |line|
     puts line[2..-1]
   end
   exit 0
@@ -20,22 +22,36 @@
 end
 
 root = File.expand_path('../../', __FILE__)
 $:.unshift File.expand_path('lib', root)
 
+extensions = CommonMarker.extensions
+active_extensions = []
+
 renderer = nil
 ARGV.delete_if do |arg|
   if arg =~ /^--html-renderer$/
     renderer = CommonMarker::HtmlRenderer.new
     true
+  elsif arg =~ /^--list-extensions$/
+    puts extensions
+    exit 0
+  elsif arg =~ /^--extension=(.+)$/
+    if extensions.include?($1)
+      active_extensions << $1.intern
+    else
+      STDERR.puts "extension #$1 not found"
+      exit 1
+    end
+    true
   else
     false
   end
 end
 
-doc = CommonMarker.render_doc(ARGF.read)
+doc = CommonMarker.render_doc(ARGF.read, :default, active_extensions)
 
 if renderer
   STDOUT.write(renderer.render(doc))
 else
-  STDOUT.write(doc.to_html)
+  STDOUT.write(doc.to_html(:default, active_extensions))
 end