1 # Copyright (C) 2013 Google Inc. All rights reserved.
3 # Redistribution and use in source and binary forms, with or without
4 # modification, are permitted provided that the following conditions are
7 # * Redistributions of source code must retain the above copyright
8 # notice, this list of conditions and the following disclaimer.
9 # * Redistributions in binary form must reproduce the above
10 # copyright notice, this list of conditions and the following disclaimer
11 # in the documentation and/or other materials provided with the
13 # * Neither the name of Google Inc. nor the names of its
14 # contributors may be used to endorse or promote products derived from
15 # this software without specific prior written permission.
17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 from in_file import InFile
38 # Subclasses should override.
42 default_parameters = None
44 def __init__(self, in_files):
45 if isinstance(in_files, basestring):
48 self.in_file = InFile.load_from_files(in_files, self.defaults, self.valid_values, self.default_parameters)
51 self._outputs = {} # file_name -> generator
53 def wrap_with_condition(self, string, condition):
56 return "#if ENABLE(%(condition)s)\n%(string)s\n#endif" % { 'condition' : condition, 'string' : string }
58 def _forcibly_create_text_file_at_path_with_contents(self, file_path, contents):
59 # FIXME: This method can be made less force-full anytime after 6/1/2013.
60 # A gyp error was briefly checked into the tree, causing
61 # a directory to have been generated in place of one of
62 # our output files. Clean up after that error so that
63 # all users don't need to clobber their output directories.
64 shutil.rmtree(file_path, ignore_errors=True)
65 # The build system should ensure our output directory exists, but just in case.
66 directory = os.path.dirname(file_path)
67 if not os.path.exists(directory):
68 os.makedirs(directory)
70 with open(file_path, "w") as file_to_write:
71 file_to_write.write(contents)
73 def _write_file(self, output_dir, contents, file_name):
74 path = os.path.join(output_dir, file_name)
75 self._forcibly_create_text_file_at_path_with_contents(path, contents)
77 def write_files(self, output_dir):
78 for file_name, generator in self._outputs.items():
79 self._write_file(output_dir, generator(), file_name)
81 def set_gperf_path(self, gperf_path):
82 self.gperf_path = gperf_path
86 def __init__(self, writer_class):
87 self._writer_class = writer_class
90 script_name = os.path.basename(argv[0])
93 print "USAGE: %s INPUT_FILES" % script_name
96 parser = optparse.OptionParser()
97 parser.add_option("--defines")
98 parser.add_option("--gperf", default="gperf")
99 parser.add_option("--output_dir", default=os.getcwd())
100 options, args = parser.parse_args()
102 writer = self._writer_class(args)
103 writer.set_gperf_path(options.gperf)
104 writer.write_files(options.output_dir)