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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(), b
ase_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.gr
oup(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, si
ze)) | |
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, na
mespace): | |
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.ou
t_header, options.namespace) | |
157 | |
158 | |
159 if __name__ == '__main__': | |
160 sys.exit(main()) | |
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