media/libopus/gen-sources.py

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/media/libopus/gen-sources.py	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,70 @@
     1.4 +# This Source Code Form is subject to the terms of the Mozilla Public
     1.5 +# License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 +# file, You can obtain one at http://mozilla.org/MPL/2.0/.
     1.7 +
     1.8 +# This file takes the .mk files from an upstream opus repo and generates the
     1.9 +# sources.mozbuild file. It is invoked as part of update.sh
    1.10 +
    1.11 +import sys
    1.12 +import re
    1.13 +
    1.14 +def add_value(values, text):
    1.15 +    text = text.replace('\\', '')
    1.16 +    text = text.strip()
    1.17 +    if text:
    1.18 +        values.append(text)
    1.19 +
    1.20 +def write_values(output, values):
    1.21 +    for value in sorted(values, key=lambda x: x.lower()):
    1.22 +        output.write("    '%s',\n" % value)
    1.23 +    output.write(']\n\n')
    1.24 +
    1.25 +def generate_sources_mozbuild(path):
    1.26 +    makefiles = [
    1.27 +        'celt_sources.mk',
    1.28 +        'opus_sources.mk',
    1.29 +        'silk_sources.mk',
    1.30 +    ]
    1.31 +
    1.32 +    var_definition = re.compile('([A-Z_]*) = (.*)')
    1.33 +    with open('sources.mozbuild', 'w') as output:
    1.34 +
    1.35 +        output.write('# THIS FILE WAS AUTOMATICALLY GENERATED BY %s. DO NOT EDIT.\n' % sys.argv[0])
    1.36 +        for makefile in makefiles:
    1.37 +            values = []
    1.38 +            definition_started = False
    1.39 +
    1.40 +            with open('%s/%s' % (path, makefile), 'r') as mk:
    1.41 +                for line in mk:
    1.42 +                    line = line.rstrip()
    1.43 +                    result = var_definition.match(line)
    1.44 +                    if result:
    1.45 +                        if definition_started:
    1.46 +                            write_values(output, values)
    1.47 +                            values = []
    1.48 +                        definition_started = True
    1.49 +
    1.50 +                        # Some variable definitions have the first entry on the
    1.51 +                        # first line. Eg:
    1.52 +                        #
    1.53 +                        # CELT_SOURCES = celt/bands.c
    1.54 +                        #
    1.55 +                        # So we treat the first group as the variable name and
    1.56 +                        # the second group as a potential value.
    1.57 +                        #
    1.58 +                        # Note that we write the variable name in lower case (so
    1.59 +                        # "CELT_SOURCES" in the .mk file becomes "celt_sources"
    1.60 +                        # in the .mozbuild file) because moz.build reserves
    1.61 +                        # upper-case variable names for build system outputs.
    1.62 +                        output.write('%s = [\n' % result.group(1).lower())
    1.63 +                        add_value(values, result.group(2))
    1.64 +                    else:
    1.65 +                        add_value(values, line)
    1.66 +            write_values(output, values)
    1.67 +
    1.68 +if __name__ == '__main__':
    1.69 +    if len(sys.argv) != 2:
    1.70 +        print "Usage: %s /path/to/opus" % (sys.argv[0])
    1.71 +        sys.exit(1)
    1.72 +
    1.73 +    generate_sources_mozbuild(sys.argv[1])

mercurial