Update IDL to Chrome 32

core/scripts/in_generator.py

-# Copyright (C) 2013 Google Inc. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-#     * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-import os.path
-import shlex
-import shutil
-import optparse
-
-from in_file import InFile
-
-
-class Writer(object):
-    # Subclasses should override.
-    class_name = None
-    defaults = None
-    valid_values = None
-    default_parameters = None
-
-    def __init__(self, in_files, enabled_conditions):
-        if isinstance(in_files, basestring):
-            in_files = [in_files]
-        self.in_file = InFile.load_from_files(in_files, self.defaults, self.valid_values, self.default_parameters)
-        self._enabled_conditions = enabled_conditions
-        self._outputs = {}  # file_name -> generator
-
-    def wrap_with_condition(self, string, condition):
-        if not condition:
-            return string
-        return "#if ENABLE(%(condition)s)\n%(string)s\n#endif" % { 'condition' : condition, 'string' : string }
-
-    def _forcibly_create_text_file_at_path_with_contents(self, file_path, contents):
-        # FIXME: This method can be made less force-full anytime after 6/1/2013.
-        # A gyp error was briefly checked into the tree, causing
-        # a directory to have been generated in place of one of
-        # our output files.  Clean up after that error so that
-        # all users don't need to clobber their output directories.
-        shutil.rmtree(file_path, ignore_errors=True)
-        # The build system should ensure our output directory exists, but just in case.
-        directory = os.path.dirname(file_path)
-        if not os.path.exists(directory):
-            os.makedirs(directory)
-
-        with open(file_path, "w") as file_to_write:
-            file_to_write.write(contents)
-
-    def _write_file(self, output_dir, contents, file_name):
-        path = os.path.join(output_dir, file_name)
-        self._forcibly_create_text_file_at_path_with_contents(path, contents)
-
-    def write_files(self, output_dir):
-        for file_name, generator in self._outputs.items():
-            self._write_file(output_dir, generator(), file_name)
-
-
-class Maker(object):
-    def __init__(self, writer_class):
-        self._writer_class = writer_class
-
-    def _enabled_conditions_from_defines(self, defines_arg_string):
-        if not defines_arg_string:
-            return []
-
-        defines_strings = shlex.split(defines_arg_string)
-
-        # We only care about feature defines.
-        enable_prefix = 'ENABLE_'
-
-        enabled_conditions = []
-        for define_string in defines_strings:
-            split_define = define_string.split('=')
-            if split_define[1] != '1':
-                continue
-            define = split_define[0]
-            if not define.startswith(enable_prefix):
-                continue
-            enabled_conditions.append(define[len(enable_prefix):])
-        return enabled_conditions
-
-    def main(self, argv):
-        script_name = os.path.basename(argv[0])
-        args = argv[1:]
-        if len(args) < 1:
-            print "USAGE: %i INPUT_FILES" % script_name
-            exit(1)
-
-        parser = optparse.OptionParser()
-        parser.add_option("--defines")
-        parser.add_option("--output_dir", default=os.getcwd())
-        (options, args) = parser.parse_args()
-
-        enabled_conditions = self._enabled_conditions_from_defines(options.defines)
-
-        writer = self._writer_class(args, enabled_conditions)
-        writer.write_files(options.output_dir)