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      1 # Copyright (C) 2010 Google Inc. All rights reserved.
      2 #
      3 # Redistribution and use in source and binary forms, with or without
      4 # modification, are permitted provided that the following conditions
      5 # are met:
      6 # 1. Redistributions of source code must retain the above copyright
      7 #    notice, this list of conditions and the following disclaimer.
      8 # 2. Redistributions in binary form must reproduce the above copyright
      9 #    notice, this list of conditions and the following disclaimer in the
     10 #    documentation and/or other materials provided with the distribution.
     11 #
     12 # THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     13 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     14 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     15 # PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     16 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     17 # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     18 # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     19 # PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     20 # OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     22 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 
     24 import glob
     25 import logging
     26 import optparse
     27 import os
     28 import re
     29 import sys
     30 from webkitpy.common.checkout import scm
     31 from webkitpy.common.system.filesystem import FileSystem
     32 from webkitpy.common.system.executive import Executive
     33 
     34 
     35 _log = logging.getLogger(__name__)
     36 
     37 
     38 def remove_first_line_comment(text):
     39     return re.compile(r'^<!--.*?-->\s*', re.DOTALL).sub('', text)
     40 
     41 
     42 def translate_includes(text):
     43     # Mapping of single filename to relative path under WebKit root.
     44     # Assumption: these filenames are globally unique.
     45     include_mapping = {
     46         "js-test-style.css": "../../js/resources",
     47         "js-test-pre.js": "../../js/resources",
     48         "js-test-post.js": "../../js/resources",
     49         "desktop-gl-constants.js": "resources",
     50     }
     51 
     52     for filename, path in include_mapping.items():
     53         search = r'(?:[^"\'= ]*/)?' + re.escape(filename)
     54         # We use '/' instead of os.path.join in order to produce consistent
     55         # output cross-platform.
     56         replace = path + '/' + filename
     57         text = re.sub(search, replace, text)
     58 
     59     return text
     60 
     61 
     62 def translate_khronos_test(text):
     63     """
     64     This method translates the contents of a Khronos test to a WebKit test.
     65     """
     66 
     67     translateFuncs = [
     68         remove_first_line_comment,
     69         translate_includes,
     70     ]
     71 
     72     for f in translateFuncs:
     73         text = f(text)
     74 
     75     return text
     76 
     77 
     78 def update_file(in_filename, out_dir):
     79     # check in_filename exists
     80     # check out_dir exists
     81     out_filename = os.path.join(out_dir, os.path.basename(in_filename))
     82 
     83     _log.debug("Processing " + in_filename)
     84     with open(in_filename, 'r') as in_file:
     85         with open(out_filename, 'w') as out_file:
     86             out_file.write(translate_khronos_test(in_file.read()))
     87 
     88 
     89 def update_directory(in_dir, out_dir):
     90     for filename in glob.glob(os.path.join(in_dir, '*.html')):
     91         update_file(os.path.join(in_dir, filename), out_dir)
     92 
     93 
     94 def default_out_dir():
     95     detector = scm.SCMDetector(FileSystem(), Executive())
     96     current_scm = detector.detect_scm_system(os.path.dirname(sys.argv[0]))
     97     if not current_scm:
     98         return os.getcwd()
     99     root_dir = current_scm.checkout_root
    100     if not root_dir:
    101         return os.getcwd()
    102     out_dir = os.path.join(root_dir, "LayoutTests/fast/canvas/webgl")
    103     if os.path.isdir(out_dir):
    104         return out_dir
    105     return os.getcwd()
    106 
    107 
    108 def configure_logging(options):
    109     """Configures the logging system."""
    110     log_fmt = '%(levelname)s: %(message)s'
    111     log_datefmt = '%y%m%d %H:%M:%S'
    112     log_level = logging.INFO
    113     if options.verbose:
    114         log_fmt = ('%(asctime)s %(filename)s:%(lineno)-4d %(levelname)s '
    115                    '%(message)s')
    116         log_level = logging.DEBUG
    117     logging.basicConfig(level=log_level, format=log_fmt,
    118                         datefmt=log_datefmt)
    119 
    120 
    121 def option_parser():
    122     usage = "usage: %prog [options] (input file or directory)"
    123     parser = optparse.OptionParser(usage=usage)
    124     parser.add_option('-v', '--verbose',
    125                              action='store_true',
    126                              default=False,
    127                              help='include debug-level logging')
    128     parser.add_option('-o', '--output',
    129                              action='store',
    130                              type='string',
    131                              default=default_out_dir(),
    132                              metavar='DIR',
    133                              help='specify an output directory to place files '
    134                                   'in [default: %default]')
    135     return parser
    136 
    137 
    138 def main():
    139     parser = option_parser()
    140     (options, args) = parser.parse_args()
    141     configure_logging(options)
    142 
    143     if len(args) == 0:
    144         _log.error("Must specify an input directory or filename.")
    145         parser.print_help()
    146         return 1
    147 
    148     in_name = args[0]
    149     if os.path.isfile(in_name):
    150         update_file(in_name, options.output)
    151     elif os.path.isdir(in_name):
    152         update_directory(in_name, options.output)
    153     else:
    154         _log.error("'%s' is not a directory or a file.", in_name)
    155         return 2
    156 
    157     return 0
    158