class Rcov::Formatters::HtmlErbTemplate

def code_coverage_html(code_coverage_percentage, is_total=false)
  %{<div class="percent_graph_legend"><tt class='#{ is_total ? 'coverage_total' : ''}'>#{ "%3.2f" % code_coverage_percentage }%</tt></div>
    <div class="percent_graph">
      <div class="covered" style="width:#{ code_coverage_percentage.round }px"></div>
      <div class="uncovered" style="width:#{ 100 - code_coverage_percentage.round }px"></div>
    </div>}
end

def coverage_threshold_classes(percentage)
  return '_110' if percentage == 100
  return (1..10).find_all{|i| i * 10 > percentage}.map{|i| "_#{i*10}"} * " "
end

def file_filter_classes(file_path)
  file_path.split('/')[0..-2] * " "
end

def get_binding
  binding
end

def initialize(template_file, locals={})
  require "erb"
  template_path = File.expand_path("#{File.dirname(__FILE__)}/../templates/#{template_file}")
  @template = ERB.new(File.read(template_path))
  @local_variables = locals
  @path_relativizer = Hash.new{|h,base|
    h[base] = Pathname.new(base).cleanpath.to_s.gsub(%r{^\w:[/\\]}, "").gsub(/\./, "_").gsub(/[\\\/]/, "-") + ".html"
  }
end

def line_css(line_number)
  case fileinfo.coverage[line_number]
  when true
    "marked"
  when :inferred
    "inferred"
  else
    "uncovered"
  end
end

def method_missing(key, *args)
  local_variables.has_key?(key) ? local_variables[key] : super
end

def relative_filename(path)
  @path_relativizer[path]
end

def render
  @template.result(get_binding)
end