blob: 47b85f5050261a8db9afc21bcbd38ffaa99edd07 [file] [log] [blame]
# 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 shutil
from in_file import InFile
class Writer(object):
# Subclasses should override.
class_name = None
defaults = None
default_parameters = None
def __init__(self, in_file_path):
self.in_file = InFile.load_from_path(in_file_path, self.defaults, self.default_parameters)
# Subclasses should override.
def generate_header(self):
raise NotImplementedError
# Subclasses should override.
def generate_implementation(self):
raise NotImplementedError
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_header(self, output_dir):
contents = self.generate_header()
if not contents:
return
path = os.path.join(output_dir, self.class_name + ".h")
self._forcibly_create_text_file_at_path_with_contents(path, contents)
def write_implmentation(self, output_dir):
contents = self.generate_implementation()
if not contents:
return
path = os.path.join(output_dir, self.class_name + ".cpp")
self._forcibly_create_text_file_at_path_with_contents(path, contents)
class Maker(object):
def __init__(self, writer_class):
self._writer_class = writer_class
def main(self, argv):
script_name = os.path.basename(argv[0])
args = argv[1:]
if len(args) < 1:
print "USAGE: %i INPUT_FILE [OUTPUT_DIRECTORY]" % script_name
exit(1)
output_dir = args[1] if len(args) > 1 else os.getcwd()
writer = self._writer_class(args[0])
writer.write_header(output_dir)
writer.write_implmentation(output_dir)