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      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 parse_deps
      7 import sys
      8 import os
      9 
     10 srcdir = os.path.abspath(os.path.join(os.path.dirname(__file__), "../src"))
     11 
     12 js_warning_message = """/**
     13 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
     14 // Use of this source code is governed by a BSD-style license that can be
     15 // found in the LICENSE file.
     16 
     17 * WARNING: This file is generated by generate_standalone_timeline_view.py
     18 *
     19 *        Do not edit directly.
     20 */
     21 """
     22 
     23 css_warning_message = """/**
     24 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
     25  * Use of this source code is governed by a BSD-style license that can be
     26  * found in the LICENSE file. */
     27 
     28 * WARNING: This file is generated by generate_standalone_timeline_view.py
     29 *
     30 *        Do not edit directly.
     31 */
     32 """
     33 
     34 py_warning_message = """#!/usr/bin/env python
     35 #
     36 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
     37 # Use of this source code is governed by a BSD-style license that can be
     38 # found in the LICENSE file. */
     39 #
     40 # WARNING: This file is generated by generate_standalone_timeline_view.py
     41 #
     42 #        Do not edit directly.
     43 #
     44 """
     45 
     46 def _sopen(filename, mode):
     47   if filename != '-':
     48     return open(filename, mode)
     49   return os.fdopen(os.dup(sys.stdout.fileno()), 'w')
     50 
     51 def _get_input_filenames():
     52   return [os.path.join(srcdir, f)
     53           for f in ['base.js', 'timeline_view.js']]
     54 
     55 def generate_css():
     56   filenames = _get_input_filenames()
     57   load_sequence = parse_deps.calc_load_sequence(filenames, srcdir)
     58 
     59   style_sheet_chunks = [css_warning_message, '\n']
     60   for module in load_sequence:
     61     for style_sheet in module.style_sheets:
     62       style_sheet_chunks.append("""%s\n""" % style_sheet.contents)
     63 
     64   return ''.join(style_sheet_chunks)
     65 
     66 def generate_js():
     67   filenames = _get_input_filenames()
     68   load_sequence = parse_deps.calc_load_sequence(filenames, srcdir)
     69 
     70   js_chunks = [js_warning_message, '\n']
     71   js_chunks.append("window.FLATTENED = {};\n")
     72 
     73   for module in load_sequence:
     74     js_chunks.append( "window.FLATTENED['%s'] = true;\n" % module.name)
     75 
     76   for module in load_sequence:
     77     js_chunks.append(module.contents)
     78     js_chunks.append("\n")
     79 
     80   return ''.join(js_chunks)
     81 
     82 def main(args):
     83   parser = optparse.OptionParser(
     84     usage="%prog --js=<filename> --css=<filename>",
     85     epilog="""
     86 A script to takes all of the javascript and css files that comprise trace-viewer
     87 and merges them together into two giant js and css files, taking into account various
     88 ordering restrictions between them.
     89 """)
     90   parser.add_option("--js", dest="js_file",
     91                     help="Where to place generated javascript file")
     92   parser.add_option("--css", dest="css_file",
     93                     help="Where to place generated css file")
     94   options, args = parser.parse_args(args)
     95 
     96   if not options.js_file and not options.css_file:
     97     sys.stderr.write("ERROR: Must specify one or both of --js=<filename> or --css=<filename>\n\n")
     98     parser.print_help()
     99     return 1
    100 
    101   if options.js_file:
    102     with _sopen(options.js_file, 'w') as f:
    103       f.write(generate_js())
    104 
    105   if options.css_file:
    106     with _sopen(options.css_file, 'w') as f:
    107       f.write(generate_css())
    108 
    109   return 0
    110 
    111 
    112 if __name__ == "__main__":
    113   sys.exit(main(sys.argv))
    114