| #!/usr/bin/env python |
| # Copyright (C) 2012 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. |
| |
| # Usage: make-file-arrays.py [--condition=condition-string] --out-h=<header-file-name> --out-cpp=<cpp-file-name> <input-file>... |
| |
| import os.path |
| import re |
| import sys |
| from optparse import OptionParser |
| |
| |
| def make_variable_name_and_read(file_name): |
| result = re.match(r'([\w\d_]+)\.([\w\d_]+)', os.path.basename(file_name)) |
| if not result: |
| print 'Invalid input file name:', os.path.basename(file_name) |
| sys.exit(1) |
| variable_name = result.group(1)[0].lower() + result.group(1)[1:] + result.group(2).capitalize() |
| with open(file_name, 'rb') as f: |
| content = f.read() |
| return variable_name, content |
| |
| |
| def strip_whitespace_and_comments(file_name, content): |
| result = re.match(r'.*\.([^.]+)', file_name) |
| if not result: |
| print 'The file name has no extension:', file_name |
| sys.exit(1) |
| extension = result.group(1).lower() |
| multi_line_comment = re.compile(r'/\*.*?\*/', re.MULTILINE | re.DOTALL) |
| single_line_comment = re.compile(r'^//.*$', re.MULTILINE) |
| # Don't accidentally match URLs (http://...) |
| trailing_comment = re.compile(r'([^:])//.*$', re.MULTILINE) |
| repeating_space = re.compile(r'[ \t]+', re.MULTILINE) |
| leading_space = re.compile(r'^[ \t]+', re.MULTILINE) |
| trailing_space = re.compile(r'[ \t]+$', re.MULTILINE) |
| empty_line = re.compile(r'\n+') |
| if extension == 'js': |
| content = multi_line_comment.sub('', content) |
| content = single_line_comment.sub('', content) |
| content = trailing_comment.sub(r'\1', content) |
| content = repeating_space.sub(' ', content) |
| content = leading_space.sub('', content) |
| content = trailing_space.sub('', content) |
| content = empty_line.sub('\n', content) |
| elif extension == 'css': |
| content = multi_line_comment.sub('', content) |
| content = repeating_space.sub(' ', content) |
| content = leading_space.sub('', content) |
| content = trailing_space.sub('', content) |
| content = empty_line.sub('\n', content) |
| return content |
| |
| |
| def process_file(file_name): |
| variable_name, content = make_variable_name_and_read(file_name) |
| content = strip_whitespace_and_comments(file_name, content) |
| size = len(content) |
| return variable_name, content |
| |
| |
| def write_header_file(header_file_name, flag, names_and_contents, namespace='blink'): |
| with open(header_file_name, 'w') as header_file: |
| if flag: |
| header_file.write('#if ' + flag + '\n') |
| header_file.write('namespace %s {\n' % namespace) |
| for variable_name, content in names_and_contents: |
| size = len(content) |
| header_file.write('extern const char %s[%d];\n' % (variable_name, size)) |
| header_file.write('}\n') |
| if flag: |
| header_file.write('#endif\n') |
| |
| |
| def write_cpp_file(cpp_file_name, flag, names_and_contents, header_file_name, namespace='blink'): |
| with open(cpp_file_name, 'w') as cpp_file: |
| cpp_file.write('#include "config.h"\n') |
| cpp_file.write('#include "%s"\n' % os.path.basename(header_file_name)) |
| if flag: |
| cpp_file.write('#if ' + flag + '\n') |
| cpp_file.write('namespace %s {\n' % namespace) |
| for variable_name, content in names_and_contents: |
| cpp_file.write(cpp_constant_string(variable_name, content)) |
| cpp_file.write('}\n') |
| if flag: |
| cpp_file.write('#endif\n') |
| |
| |
| def cpp_constant_string(variable_name, content): |
| output = [] |
| size = len(content) |
| output.append('const char %s[%d] = {\n' % (variable_name, size)) |
| for index in range(size): |
| char_code = ord(content[index]) |
| if char_code < 128: |
| output.append('%d' % char_code) |
| else: |
| output.append(r"'\x%02x'" % char_code) |
| output.append(',' if index != len(content) - 1 else '};\n') |
| if index % 20 == 19: |
| output.append('\n') |
| output.append('\n') |
| return ''.join(output) |
| |
| |
| def main(): |
| parser = OptionParser() |
| parser.add_option('--out-h', dest='out_header') |
| parser.add_option('--out-cpp', dest='out_cpp') |
| parser.add_option('--condition', dest='flag') |
| (options, args) = parser.parse_args() |
| if len(args) < 1: |
| parser.error('Need one or more input files') |
| if not options.out_header: |
| parser.error('Need to specify --out-h=filename') |
| if not options.out_cpp: |
| parser.error('Need to specify --out-cpp=filename') |
| |
| if options.flag: |
| options.flag = options.flag.replace(' AND ', ' && ') |
| options.flag = options.flag.replace(' OR ', ' || ') |
| |
| names_and_contents = [process_file(file_name) for file_name in args] |
| |
| if options.out_header: |
| write_header_file(options.out_header, options.flag, names_and_contents) |
| write_cpp_file(options.out_cpp, options.flag, names_and_contents, options.out_header) |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |