#!/usr/bin/ruby# bitty's itty bitty highlighter :D# c/c++ - colors comments, strs, brace blocks# my first ruby program so do not laugh :'(def usage puts "usage #{$0} <input.c> [output.html]" exit(0)end### state tracking variablesbracedepth = 0 ### nested {incomment = 0 ### in multi-line commentinstring = 0 ### in "..." stringbslash = 0 ### prev char is / ### syntax colorscolcc = "blue" ### compiler instructionscolcom = "green" ### commentscolstr = "maroon" ### stringscolbr = ["antiquewhite","aquamarine","thistle"]### the three brace colors cycle### common html strings### yeah <font> is deprecated but it makes my life easiercomment = "<font color='#{colcom}'>"string = "<font color='#{colstr}'>"preprocess = "<font color='#{colcc}'>"brace = "<span style=\"color:#{colbr[bracedepth]};\">"closespan = "</span>"closefont = "</font>"html = ""mifile = ARGV.shift || usage()html << %q^<html><head> <title>#{mifile} - BitRot</title> <style> <!--- // body { background-color:lightgray; font-face:monaco,courier; font-size:10px; } //--> </style></head><body><pre>^### main loop### TMP TEST that just looks for lines starting with # and colors them### except it does not work :'(File.readlines(mifile).each do |line| prefix = '' suffix = '' if line =~ /^#/ if(incomment + instring == 0) prefix = preprocess suffix = closefont end end html << prefix html << line.gsub('<', '<').gsub('>', '>').chomp html << suffix + "\n"endhtml << %q^</body></html> ^outp = ARGV.shiftfd = outp ? File.open(outp, "w") : $stdoutfd.puts html