1 #!/usr/bin/env python 2 # Copyright (C) 2012 Google Inc. All rights reserved. 3 # 4 # Redistribution and use in source and binary forms, with or without 5 # modification, are permitted provided that the following conditions are 6 # met: 7 # 8 # * Redistributions of source code must retain the above copyright 9 # notice, this list of conditions and the following disclaimer. 10 # * Redistributions in binary form must reproduce the above 11 # copyright notice, this list of conditions and the following disclaimer 12 # in the documentation and/or other materials provided with the 13 # distribution. 14 # * Neither the name of Google Inc. nor the names of its 15 # contributors may be used to endorse or promote products derived from 16 # this software without specific prior written permission. 17 # 18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 # Usage: make-file-arrays.py [--condition=condition-string] --out-h=<header-file-name> --out-cpp=<cpp-file-name> <input-file>... 31 32 import os.path 33 import re 34 import sys 35 from optparse import OptionParser 36 37 rjsmin_path = os.path.abspath(os.path.join( 38 os.path.dirname(__file__), 39 "..", 40 "..", 41 "build", 42 "scripts")) 43 sys.path.append(rjsmin_path) 44 import rjsmin 45 46 47 def make_variable_name_and_read(file_name): 48 base_name = os.path.basename(file_name) 49 # view-source.css -> viewSource.css 50 base_name = re.sub(r'-[a-zA-Z]', lambda match: match.group(0)[1:].upper(), base_name) 51 result = re.match(r'([\w\d_]+)\.([\w\d_]+)', base_name) 52 if not result: 53 print 'Invalid input file name:', os.path.basename(file_name) 54 sys.exit(1) 55 variable_name = result.group(1)[0].lower() + result.group(1)[1:] + result.group(2).capitalize() 56 with open(file_name, 'rb') as f: 57 content = f.read() 58 return variable_name, content 59 60 61 def strip_whitespace_and_comments(file_name, content): 62 result = re.match(r'.*\.([^.]+)', file_name) 63 if not result: 64 print 'The file name has no extension:', file_name 65 sys.exit(1) 66 extension = result.group(1).lower() 67 multi_line_comment = re.compile(r'/\*.*?\*/', re.MULTILINE | re.DOTALL) 68 repeating_space = re.compile(r'\s+', re.MULTILINE) 69 leading_space = re.compile(r'^\s+', re.MULTILINE) 70 trailing_space = re.compile(r'\s+$', re.MULTILINE) 71 empty_line = re.compile(r'\n+') 72 if extension == 'js': 73 content = rjsmin.jsmin(content) 74 elif extension == 'css': 75 content = multi_line_comment.sub('', content) 76 content = repeating_space.sub(' ', content) 77 content = leading_space.sub('', content) 78 content = trailing_space.sub('', content) 79 content = empty_line.sub('\n', content) 80 return content 81 82 83 def process_file(file_name): 84 variable_name, content = make_variable_name_and_read(file_name) 85 content = strip_whitespace_and_comments(file_name, content) 86 size = len(content) 87 return variable_name, content 88 89 90 def write_header_file(header_file_name, flag, names_and_contents, namespace): 91 with open(header_file_name, 'w') as header_file: 92 if flag: 93 header_file.write('#if ' + flag + '\n') 94 header_file.write('namespace %s {\n' % namespace) 95 for variable_name, content in names_and_contents: 96 size = len(content) 97 header_file.write('extern const char %s[%d];\n' % (variable_name, size)) 98 header_file.write('}\n') 99 if flag: 100 header_file.write('#endif\n') 101 102 103 def write_cpp_file(cpp_file_name, flag, names_and_contents, header_file_name, namespace): 104 with open(cpp_file_name, 'w') as cpp_file: 105 cpp_file.write('#include "config.h"\n') 106 cpp_file.write('#include "%s"\n' % os.path.basename(header_file_name)) 107 if flag: 108 cpp_file.write('#if ' + flag + '\n') 109 cpp_file.write('namespace %s {\n' % namespace) 110 for variable_name, content in names_and_contents: 111 cpp_file.write(cpp_constant_string(variable_name, content)) 112 cpp_file.write('}\n') 113 if flag: 114 cpp_file.write('#endif\n') 115 116 117 def cpp_constant_string(variable_name, content): 118 output = [] 119 size = len(content) 120 output.append('const char %s[%d] = {\n' % (variable_name, size)) 121 for index in range(size): 122 char_code = ord(content[index]) 123 if char_code < 128: 124 output.append('%d' % char_code) 125 else: 126 output.append(r"'\x%02x'" % char_code) 127 output.append(',' if index != len(content) - 1 else '};\n') 128 if index % 20 == 19: 129 output.append('\n') 130 output.append('\n') 131 return ''.join(output) 132 133 134 def main(): 135 parser = OptionParser() 136 parser.add_option('--out-h', dest='out_header') 137 parser.add_option('--out-cpp', dest='out_cpp') 138 parser.add_option('--condition', dest='flag') 139 parser.add_option('--namespace', dest='namespace', default='blink') 140 (options, args) = parser.parse_args() 141 if len(args) < 1: 142 parser.error('Need one or more input files') 143 if not options.out_header: 144 parser.error('Need to specify --out-h=filename') 145 if not options.out_cpp: 146 parser.error('Need to specify --out-cpp=filename') 147 148 if options.flag: 149 options.flag = options.flag.replace(' AND ', ' && ') 150 options.flag = options.flag.replace(' OR ', ' || ') 151 152 names_and_contents = [process_file(file_name) for file_name in args] 153 154 if options.out_header: 155 write_header_file(options.out_header, options.flag, names_and_contents, options.namespace) 156 write_cpp_file(options.out_cpp, options.flag, names_and_contents, options.out_header, options.namespace) 157 158 159 if __name__ == '__main__': 160 sys.exit(main()) 161