#!/usr/bin/env ruby

require 'linguist'
require 'pygments'

stdin = ARGF.file

filename = stdin.readline.strip  # Read first line (filename).
contents = stdin.read            # Read rest (code).

class FakeBlob < Linguist::FileBlob
  def initialize(path, content, base_bath=nil)
    super(path, base_bath)
    @content = content
  end

  def data
    @content
  end

  def size
    @content.bytesize
  end
end

blob = FakeBlob.new(filename, contents)
detected = if blob.language
             blob.language.name
           else
             "Text only"
           end

# Debugging
#puts "File #{filename}"
#puts "Code:
#{contents}"
#print "Language: "
#pp detected

html = Pygments.highlight(contents,
  :lexer => detected,
  :formatter => 'html',
  :options => {
    :encoding => 'utf-8',
    :linenos => 'table',
    :lineanchors => 'loc',
    :anchorlinenos => true})

puts html