1 #!/usr/bin/env python 2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 import optparse 6 import calcdeps 7 import sys 8 import StringIO 9 10 def flatten_module_contents(filenames): 11 out = StringIO.StringIO() 12 load_sequence = calcdeps.calc_load_sequence(filenames) 13 14 flattened_module_names = ["'%s'" % module.name for module in load_sequence] 15 out.write(" if (!window.FLATTENED) window.FLATTENED = {};\n") 16 for module in load_sequence: 17 out.write(" window.FLATTENED['%s'] = true;\n" % module.name); 18 19 for module in load_sequence: 20 out.write(module.contents) 21 if module.contents[-1] != '\n': 22 out.write('\n') 23 return out.getvalue() 24 25 def flatten_style_sheet_contents(filenames): 26 out = StringIO.StringIO() 27 load_sequence = calcdeps.calc_load_sequence(filenames) 28 29 # Stylesheets should be sourced from topmsot in, not inner-out. 30 load_sequence.reverse() 31 32 for module in load_sequence: 33 for style_sheet in module.style_sheets: 34 out.write(style_sheet.contents) 35 if style_sheet.contents[-1] != '\n': 36 out.write('\n') 37 return out.getvalue() 38 39 def main(argv): 40 parser = optparse.OptionParser(usage="flatten filename1.js [filename2.js ...]") 41 parser.add_option("--css", dest="flatten_css", action="store_true", help="Outputs a flattened stylesheet.") 42 options, args = parser.parse_args(argv) 43 44 if options.flatten_css: 45 sys.stdout.write(flatten_style_sheet_contents(args)) 46 else: 47 sys.stdout.write(flatten_module_contents(args)) 48 return 255 49 50 if __name__ == "__main__": 51 sys.exit(main(sys.argv)) 52
