Created
December 17, 2008 00:28
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require 'rubygems' | |
require 'css_parser' | |
require 'hpricot' | |
require 'open-uri' | |
def fix_file(html_input_file, css_input_file, html_output_file, css_output_file) | |
# Instantiate Hpricot doc object | |
doc = Hpricot(File.read(html_input_file)) | |
parser = CssParser::Parser.new | |
parser.load_file!(css_input_file) | |
css_output = "" | |
# Iterate over each parsed | |
parser.each_selector(:screen) do |selector, declarations, specificity| | |
css_output << "#{fixed_selector(selector)} { #{declarations.to_s} } " | |
doc.search(selector).each do |element| | |
element.attributes['class'] += " #{normalized_class_name(selector)}" | |
end | |
end | |
html_output = doc.to_s | |
File.open(html_output_file, 'w') {|f| f.write(html_output) } | |
File.open(css_output_file, 'w') {|f| f.write(css_output) } | |
end | |
# Transforms '#main div.foo.bar' into '#main div.foo_bar' | |
def fixed_selector(selector) | |
selector.gsub(/(?:\.\w+)(?:\.\w+)/) do |subselector| | |
".#{normalized_class_name(subselector)}" | |
end | |
end | |
def normalized_class_name(selector) | |
# match two or more consecutive class names | |
matches = selector.match(/(?:\.(\w+))(?:\.(\w+))/) | |
class_names = matches.to_a | |
class_names.shift # pop off the entire string match | |
class_names.join("_") | |
end | |
fix_file("index.html", "main.css", "index_ie6.html", "main_ie6.css") |
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