gistfile1.txt

require 'rubygems'
require 'nokogiri'
require 'active_support/core_ext'
require 'iconv'

def avid_text(file_path)
	html = Nokogiri::HTML(File.open(file_path), nil, 'utf-8')
	main = {start_time: -1.0, end_time: 0.0, text: ''}
	suppl = {start_time: -1.0, end_time: 0.0, text: ''}
	subtitle = "@ This file written with the Avid Caption plugin, version 1\r\n\r\n<begin subtitles>\r\n"

	html.xpath('.//word').each do |word|
		if main[:start_time] == -1.0
			main[:start_time] = (word['start'].to_f > main[:end_time]) ? word['start'].to_f : main[:end_time]
		end
		if main[:text].length + suppl[:text].length >= 80
			subtitle << make_line(main)
			main = {start_time: (main[:end_time] > suppl[:start_time]) ? main[:end_time] : suppl[:start_time],
				end_time: suppl[:end_time], text: suppl[:text] + word.text}
			suppl = {start_time: -1.0, end_time: 0, text: ''}
		elsif main[:text].length >= 60 && main[:text][main[:text].length-1] == " "
			suppl[:start_time] = word['start'].to_f if suppl[:start_time] == -1.0
			suppl[:end_time] = word['end'].to_f
			suppl[:text] << word.text
		else
			main[:end_time] = word['end'].to_f
			main[:text] << word.text
		end

		if word.xpath('./br').present? && main[:text].present?
			main[:end_time] = suppl[:end_time] if suppl[:end_time] != 0
			main[:text] << suppl[:text]
			subtitle << make_line(main)
			main = {start_time: -1.0, end_time: main[:end_time], text: ''}
			suppl = {start_time: -1.0, end_time: 0, text: ''}
		end
	end
	# Write file
	subtitle << "<end subtitles>\r\n"
	# Without NULL between each char
	# subtitle = Iconv.conv("utf-16le", "utf-8", "\ufeff" + subtitle)
	subtitle = Iconv.conv("utf-16le", "utf-8", "\ufeff" + subtitle).b

	File.open("#{File.dirname(file_path)}/#{File.basename(file_path, File.extname(file_path))}_avid.txt", 'wb+'){|f| f.write(subtitle)}
end

def make_line(main)
	subtitle = ''
	subtitle << "%02.0f"%((main[:start_time]/3600).to_i) + ':' + "%02.0f"%(((main[:start_time]/60)%60).to_i) + ':' + ("%02.0f"%((main[:start_time].to_i)%60)) + ':' + "%02.0f"%(((main[:start_time].to_f%1)*100).to_i) + ' '
	subtitle << "%02.0f"%((main[:end_time]/3600).to_i)   + ':' + "%02.0f"%(((main[:end_time]/60)%60).to_i)   + ':' + ("%02.0f"%((main[:end_time].to_i)%60))   + ':' + "%02.0f"%(((main[:end_time].to_f%1)*100).to_i)   + "\r\n"

	if main[:text].length < 40
		subtitle << main[:text] + "\r\n\r\n"
	else
		line1 = main[:text].truncate(main[:text].length/2, separator: ' ', omission: '') + "\r\n"
		line2 = main[:text][line1.length-1, main[:text].length-1]
		while line2[0]==' '
			line2 = line2[1, line2.length-1]
		end
		subtitle << line1 + line2 + "\r\n\r\n"
	end
	return subtitle
end

print 'Enter a path file: '
avid_text gets.chomp