1#!/usr/bin/env python 2# Copyright (C) 2014 Apple 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 6# are met: 7# 1. Redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer. 9# 2. Redistributions in binary form must reproduce the above copyright 10# notice, this list of conditions and the following disclaimer in the 11# documentation and/or other materials provided with the distribution. 12# 13# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24import io 25import os 26from optparse import OptionParser 27from StringIO import StringIO 28from jsmin import JavascriptMinify 29 30 31def stringifyCodepoint(code): 32 if code < 128: 33 return '{0:d}'.format(code) 34 else: 35 return "'\\x{0:02x}'".format(code) 36 37 38def chunk(list, chunkSize): 39 for i in xrange(0, len(list), chunkSize): 40 yield list[i:i + chunkSize] 41 42 43def main(): 44 parser = OptionParser(usage="usage: %prog [--no-minify] header source [input [input...]]") 45 parser.add_option('--no-minify', action='store_true', help='Do not run the input files through jsmin') 46 (options, arguments) = parser.parse_args() 47 if len(arguments) < 3: 48 print 'Error: must provide at least 3 arguments' 49 parser.print_usage() 50 exit(-1) 51 52 headerPath = arguments[0] 53 sourcePath = arguments[1] 54 inputPaths = arguments[2:] 55 56 headerFile = open(headerPath, 'w') 57 print >> headerFile, 'namespace WebCore {' 58 59 sourceFile = open(sourcePath, 'w') 60 print >> sourceFile, '#include "{0:s}"'.format(os.path.basename(headerPath)) 61 print >> sourceFile, 'namespace WebCore {' 62 63 jsm = JavascriptMinify() 64 65 for inputFileName in inputPaths: 66 inputStream = io.FileIO(inputFileName) 67 outputStream = StringIO() 68 69 if not options.no_minify: 70 jsm.minify(inputStream, outputStream) 71 characters = outputStream.getvalue() 72 else: 73 characters = inputStream.read() 74 75 size = len(characters) 76 variableName = os.path.splitext(os.path.basename(inputFileName))[0] 77 78 print >> headerFile, 'extern const char {0:s}JavaScript[{1:d}];'.format(variableName, size) 79 print >> sourceFile, 'const char {0:s}JavaScript[{1:d}] = {{'.format(variableName, size) 80 81 codepoints = map(ord, characters) 82 for codepointChunk in chunk(codepoints, 16): 83 print >> sourceFile, ' {0:s},'.format(','.join(map(stringifyCodepoint, codepointChunk))) 84 85 print >> sourceFile, '};' 86 87 print >> headerFile, '}' 88 print >> sourceFile, '}' 89 90if __name__ == '__main__': 91 main() 92