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 32import os.path 33import re 34import sys 35from optparse import OptionParser 36 37 38def make_variable_name_and_read(file_name): 39 result = re.match(r"([\w\d_]+)\.([\w\d_]+)", os.path.basename(file_name)) 40 if not result: 41 print "Invalid input file name:", os.path.basename(file_name) 42 sys.exit(1) 43 variable_name = result.group(1)[0].lower() + result.group(1)[1:] + result.group(2).capitalize() 44 file = open(file_name, "rb") 45 content = file.read() 46 file.close() 47 return (variable_name, content) 48 49 50def strip_whitespace_and_comments(file_name, content): 51 result = re.match(r".*\.([^.]+)", file_name) 52 if not result: 53 print "The file name has no extension:", file_name 54 sys.exit(1) 55 extension = result.group(1).lower() 56 multi_line_comment = re.compile(r"/\*.*?\*/", re.MULTILINE | re.DOTALL) 57 single_line_comment = re.compile(r"//.*$", re.MULTILINE) 58 repeating_space = re.compile(r"[ \t]+", re.MULTILINE) 59 leading_space = re.compile(r"^[ \t]+", re.MULTILINE) 60 trailing_space = re.compile(r"[ \t]+$", re.MULTILINE) 61 empty_line = re.compile(r"\n+") 62 if extension == "js": 63 content = multi_line_comment.sub("", content) 64 content = single_line_comment.sub("", content) 65 content = repeating_space.sub(" ", content) 66 content = leading_space.sub("", content) 67 content = trailing_space.sub("", content) 68 content = empty_line.sub("\n", content) 69 elif extension == "css": 70 content = multi_line_comment.sub("", content) 71 content = repeating_space.sub(" ", content) 72 content = leading_space.sub("", content) 73 content = trailing_space.sub("", content) 74 content = empty_line.sub("\n", content) 75 return content 76 77 78def main(): 79 parser = OptionParser() 80 parser.add_option("--out-h", dest="out_header") 81 parser.add_option("--out-cpp", dest="out_cpp") 82 parser.add_option("--condition", dest="flag") 83 (options, args) = parser.parse_args() 84 if len(args) < 1: 85 parser.error("Need one or more input files") 86 if not options.out_header: 87 parser.error("Need to specify --out-h=filename") 88 if not options.out_cpp: 89 parser.error("Need to specify --out-cpp=filename") 90 91 if options.flag: 92 options.flag = options.flag.replace(" AND ", " && ") 93 options.flag = options.flag.replace(" OR ", " || ") 94 95 header_file = open(options.out_header, "w") 96 if options.flag: 97 header_file.write("#if " + options.flag + "\n") 98 header_file.write("namespace WebCore {\n") 99 100 cpp_file = open(options.out_cpp, "w") 101 cpp_file.write("#include \"config.h\"\n") 102 cpp_file.write("#include \"" + os.path.basename(options.out_header) + "\"\n") 103 if options.flag: 104 cpp_file.write("#if " + options.flag + "\n") 105 cpp_file.write("namespace WebCore {\n") 106 107 for file_name in args: 108 (variable_name, content) = make_variable_name_and_read(file_name) 109 content = strip_whitespace_and_comments(file_name, content) 110 size = len(content) 111 header_file.write("extern const char %s[%d];\n" % (variable_name, size)) 112 cpp_file.write("const char %s[%d] = {\n" % (variable_name, size)) 113 for index in range(size): 114 char_code = ord(content[index]) 115 if char_code < 128: 116 cpp_file.write("%d" % char_code) 117 else: 118 cpp_file.write("'\\x%02x'" % char_code) 119 cpp_file.write("," if index != len(content) - 1 else "};\n") 120 if index % 20 == 19: 121 cpp_file.write("\n") 122 cpp_file.write("\n") 123 124 header_file.write("}\n") 125 if options.flag: 126 header_file.write("#endif\n") 127 header_file.close() 128 129 cpp_file.write("}\n") 130 if options.flag: 131 cpp_file.write("#endif\n") 132 cpp_file.close() 133 134 135if __name__ == "__main__": 136 main() 137