module Rp

# File lib/rp.rb, line 40
def class_and_id l, i
  cls = ""
  id = ""

  parts = l.split(" ", 2)
  t1, t2 = parts[0].split("#")
  tmp = t1.split(".")
  tag_name = tmp.shift
  cls << tmp.join(" ").strip if tmp.any?
  if t2
    tmp = t2.split(".")
    id = tmp.shift.strip
    cls << " " << tmp.join(" ").strip if tmp.any?
  end

  l = if parts[1]
        tag_name + " " + parts[1]
      else
        tag_name
      end

  t = ""
  t << "#{INDENT*i}@__cls = '#{cls}'\n" if cls.size != 0
  t << "#{INDENT*i}@__id = '#{id}'\n"  if id.size != 0
  t << INDENT*i << l
end

# File lib/rp.rb, line 15
def ends s, n=0
  n.times {|i| @doc << "\n" << INDENT*(s-i) << "end"} if s >= 0
end

# File lib/rp.rb, line 11
def indent(line)
  (line.size - line.lstrip.size)/INDENT_SIZE
end

# File lib/rp.rb, line 25
def indent_and_do l,i
  @doc << " do\n#{l}"
  @indent = i
end

# File lib/rp.rb, line 19
def indent_and_ends l,i
  ends @indent-1, @indent-i
  @indent = i
  @doc << "\n#{l}"
end

# File lib/rp.rb, line 30
def indent_line l,i
  if i > @indent
    indent_and_do l,i
  elsif i < @indent
    indent_and_ends l,i
  else
    @doc << "\n#{l}"
  end
end

# File lib/rp.rb, line 67
def parse(lines)
  @doc = "require 'rhtml'\ninclude Rhtml\nHtml.new do\n"
  @indent = 0

  lines.each do |l|
    i = indent l
    l.strip!
    next if l.empty?

    if l[0...CODE_MARK_SIZE] == CODE_MARK
      l = INDENT*i << l[CODE_MARK_SIZE..-1].lstrip
    elsif l[0] == "="
      l = INDENT*i << "self.=" << l
    else
      l = class_and_id l, i
    end

    indent_line l,i
  end

  ends(@indent-1, @indent)
  @doc << "\nend"
end

# File lib/rp.rb, line 91
def to_html lines
  eval(parse(lines))
end

# File lib/rp.rb, line 95
def to_rhtml lines
  parse(lines)
end