| # Copyright 2015 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Wraps the standalone JavaScript inside a templated outer JavaScript. |
| |
| Chrome needs to wrap the standalone JavaScript so it does not access the real |
| window object, which is done in the wrapper JS. The output of this script is |
| the file which is included in the Chrome builds. |
| """ |
| |
| import optparse |
| import sys |
| |
| def main(argv): |
| parser = optparse.OptionParser() |
| parser.add_option('-t', '--templatefile', |
| help='The path to the output JavaScript template.') |
| parser.add_option('-i', '--infile', |
| help='The path to the standalone JavaScript to inject into the template.') |
| parser.add_option('-o', '--outfile', |
| help='The path to the output JavaScript.') |
| options, _ = parser.parse_args(argv) |
| |
| templatepath = options.templatefile |
| inpath = options.infile |
| outpath = options.outfile |
| |
| if templatepath: |
| templatefile = open(templatepath, 'r') |
| else: |
| print 'Please provide path to the template file' |
| return 1 |
| |
| if inpath: |
| infile = open(inpath, 'r') |
| else: |
| print 'Reading input from stdin' |
| infile = sys.stdin |
| |
| if outpath: |
| outfile = open(outpath, 'w') |
| else: |
| outfile = sys.stdout |
| |
| standalone_js = infile.read() |
| template_js = templatefile.read() |
| output_js = template_js.replace('$$DISTILLER_JAVASCRIPT', standalone_js) |
| outfile.write(output_js) |
| return 0 |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv)) |
