HTML Tag Checker - Mehmet Mert Yildiran - 12060367

htc.rb

#	RUBY HTML TAG CHECKER
#	MEHMET MERT YILDIRAN
#	OGRENCI NO: 12060367
#
#	Ruby 2.0.0-p247
#
#	Örnek kullanım:
# html_filtrele("C:/Users/admin/Desktop/Specte.htm")
# html_tag_checker("C:/Users/admin/Desktop/Specte.htm")
# result = html_tag_checker("C:/Users/admin/Desktop/Specte.htm")
# * Örnekteki Specte.htm : http://specte.com/ index dosyasıdır. 

def html_filtrele(address)
	file = File.open(address)
	contents = file.read
	tags = Array.new
	tags = contents.scan(Regexp.union(/<(\w+)[^>]*>/, /<\/(\w+)[^>]*>/))
	tags_clean = Array.new

	i = 0
	while i < tags.length
		if tags[i][1] == nil
			tags_clean.push(tags[i][0])
		else
			tags[i][1] = "/" + tags[i][1]
			tags_clean.push(tags[i][1])
		end
		i = i + 1
	end
	return tags_clean
end

def html_tag_checker(address)
	stack = Array.new
	tags = Array.new
	tags = html_filtrele(address)

	tags.delete("base")
	tags.delete("br")
	tags.delete("col")
	tags.delete("command")
	tags.delete("embed")
	tags.delete("hr")
	tags.delete("img")
	tags.delete("input")
	tags.delete("link")
	tags.delete("meta")
	tags.delete("param")
	tags.delete("source")

	i = 0
	while i < tags.length
		if tags[i].include?("/")
			#tags[i].sub("/", "")
			if tags[i] != "/" + stack.pop
				return false
			end
		else
			stack.push(tags[i])
		end
	i = i + 1
	end
	return true
end