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| 1 # Copyright (C) 2013 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 are |
| 5 # met: |
| 6 # |
| 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 |
| 12 # distribution. |
| 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. |
| 16 # |
| 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. |
| 28 |
| 29 import os.path |
| 30 import shutil |
| 31 |
| 32 from in_file import InFile |
| 33 |
| 34 |
| 35 class Writer(object): |
| 36 # Subclasses should override. |
| 37 class_name = None |
| 38 defaults = None |
| 39 |
| 40 def __init__(self, in_file_path): |
| 41 self.in_file = InFile.load_from_path(in_file_path, self.defaults) |
| 42 |
| 43 # Subclasses should override. |
| 44 def generate_header(self): |
| 45 raise NotImplementedError |
| 46 |
| 47 # Subclasses should override. |
| 48 def generate_implementation(self): |
| 49 raise NotImplementedError |
| 50 |
| 51 def _forcibly_create_text_file_at_path_with_contents(self, file_path, conten
ts): |
| 52 # FIXME: This method can be made less force-full anytime after 6/1/2013. |
| 53 # A gyp error was briefly checked into the tree, causing |
| 54 # a directory to have been generated in place of one of |
| 55 # our output files. Clean up after that error so that |
| 56 # all users don't need to clobber their output directories. |
| 57 shutil.rmtree(file_path, ignore_errors=True) |
| 58 # The build system should ensure our output directory exists, but just i
n case. |
| 59 directory = os.path.dirname(file_path) |
| 60 if not os.path.exists(directory): |
| 61 os.makedirs(directory) |
| 62 |
| 63 with open(file_path, "w") as file_to_write: |
| 64 file_to_write.write(contents) |
| 65 |
| 66 def write_header(self, output_dir): |
| 67 header_path = os.path.join(output_dir, self.class_name + ".h") |
| 68 self._forcibly_create_text_file_at_path_with_contents(header_path, self.
generate_header()) |
| 69 |
| 70 def write_implmentation(self, output_dir): |
| 71 implmentation_path = os.path.join(output_dir, self.class_name + ".cpp") |
| 72 self._forcibly_create_text_file_at_path_with_contents(implmentation_path
, self.generate_implementation()) |
| 73 |
| 74 |
| 75 class Maker(object): |
| 76 def __init__(self, writer_class): |
| 77 self._writer_class = writer_class |
| 78 |
| 79 def main(self, argv): |
| 80 script_name = os.path.basename(argv[0]) |
| 81 args = argv[1:] |
| 82 if len(args) < 1: |
| 83 print "USAGE: %i INPUT_FILE [OUTPUT_DIRECTORY]" % script_name |
| 84 exit(1) |
| 85 output_dir = args[1] if len(args) > 1 else os.getcwd() |
| 86 |
| 87 writer = self._writer_class(args[0]) |
| 88 writer.write_header(output_dir) |
| 89 writer.write_implmentation(output_dir) |
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