diff options
Diffstat (limited to 'chromium/third_party/WebKit/Source/build/scripts/make-file-arrays.py')
| -rwxr-xr-x | chromium/third_party/WebKit/Source/build/scripts/make-file-arrays.py | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/build/scripts/make-file-arrays.py b/chromium/third_party/WebKit/Source/build/scripts/make-file-arrays.py new file mode 100755 index 00000000000..f496d01e6f6 --- /dev/null +++ b/chromium/third_party/WebKit/Source/build/scripts/make-file-arrays.py @@ -0,0 +1,158 @@ +#!/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 + +rjsmin_path = os.path.abspath(os.path.join( + os.path.dirname(__file__), + "..", + "..", + "build", + "scripts")) +sys.path.append(rjsmin_path) +import rjsmin + + +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) + # Don't accidentally match URLs (http://...) + 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 = rjsmin.jsmin(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): + 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): + 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') + parser.add_option('--namespace', dest='namespace', default='blink') + (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, options.namespace) + write_cpp_file(options.out_cpp, options.flag, names_and_contents, options.out_header, options.namespace) + + +if __name__ == '__main__': + sys.exit(main()) |