mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
109 lines
4.0 KiB
Python
Executable File
109 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (C) 2014 Apple Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from __future__ import print_function
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import io
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import os
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from optparse import OptionParser
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import sys
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from jsmin import jsmin
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is_3 = sys.version_info >= (3, 0)
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def stringifyCodepoint(code):
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if code < 128:
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return '{0:d}'.format(code)
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else:
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return "'\\x{0:02x}'".format(code)
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def chunk(list, chunkSize):
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for i in range(0, len(list), chunkSize):
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yield list[i:i + chunkSize]
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def main():
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parser = OptionParser(usage="usage: %prog [options] header source [input [input...]]")
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parser.add_option('--no-minify', action='store_true', help='Do not run the input files through jsmin')
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parser.add_option('-n', '--namespace', help='Namespace to use')
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(options, arguments) = parser.parse_args()
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if not options.namespace:
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print('Error: must provide a namespace')
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parser.print_usage()
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exit(-1)
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if len(arguments) < 3:
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print('Error: must provide at least 3 arguments')
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parser.print_usage()
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exit(-1)
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namespace = options.namespace
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headerPath = arguments[0]
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sourcePath = arguments[1]
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inputPaths = arguments[2:]
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headerFile = open(headerPath, 'w')
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print('namespace {0:s} {{'.format(namespace), file=headerFile)
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sourceFile = open(sourcePath, 'w')
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print('#include "{0:s}"'.format(os.path.basename(headerPath)), file=sourceFile)
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print('namespace {0:s} {{'.format(namespace), file=sourceFile)
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for inputFileName in inputPaths:
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if is_3:
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inputStream = io.open(inputFileName, encoding='utf-8')
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else:
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inputStream = io.FileIO(inputFileName)
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data = inputStream.read()
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if not options.no_minify:
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characters = jsmin(data)
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else:
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characters = data
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if is_3:
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codepoints = bytearray(characters, encoding='utf-8')
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else:
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codepoints = list(map(ord, characters))
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# Use the size of codepoints instead of the characters
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# because UTF-8 characters may need more than one byte.
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size = len(codepoints)
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variableName = os.path.splitext(os.path.basename(inputFileName))[0]
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print('extern const char {0:s}JavaScript[{1:d}];'.format(variableName, size), file=headerFile)
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print('const char {0:s}JavaScript[{1:d}] = {{'.format(variableName, size), file=sourceFile)
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for codepointChunk in chunk(codepoints, 16):
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print(' {0:s},'.format(','.join(map(stringifyCodepoint, codepointChunk))), file=sourceFile)
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print('};', file=sourceFile)
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print('}} // namespace {0:s}'.format(namespace), file=headerFile)
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print('}} // namespace {0:s}'.format(namespace), file=sourceFile)
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if __name__ == '__main__':
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main()
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