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#!/usr/bin/env python3
import argparse
import sys
from zstd import zstd
from rcc_format import *
def none(filelist, args):
write_header(args.output, args.namespace)
for f in filelist:
with open(f.path, 'rb') as contents:
write_item(args.output, f.variable, contents.read())
write_entries(args.output, filelist)
print("constexpr auto compression = embed::None;", file=args.output)
write_footer(args.output, args.namespace)
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description='Resource Compiler for C++',
epilog='For a full list of compression options, check {mode} --help.',
)
mode = parser.add_subparsers(help='compression mode')
none_mode = mode.add_parser('-')
none_mode.set_defaults(func=none)
zstd_mode = mode.add_parser('Zstd',
description='use Zstd compression',
epilog='A dictionary is recommended if compressing many small files. size(source)/size(dictionary) should be >= 10'
)
zstd_mode.add_argument('--binary', type=str, default='zstd', help='zstd binary name')
zstd_mode.add_argument('--train', type=argparse.FileType('wb'), help='train dictionary and exit')
zstd_mode.add_argument('-d', '--dict', type=argparse.FileType('rb'), help='use dictionary, recommended for many similar small files')
zstd_mode.add_argument('--dsize', type=int, default=512, help='dictionary size, used for training')
zstd_mode.add_argument('-l', '--level', type=int, default=19, help='compression level')
zstd_mode.set_defaults(func=zstd)
parser.add_argument('input', type=argparse.FileType('rt'), help='input file (.xrc)')
parser.add_argument('-o', '--output', type=argparse.FileType('wt'), default=sys.stdout, help='output header file')
parser.add_argument('-n', '--namespace', type=str, default='resources', help='namespace')
args=parser.parse_args()
args.func(filelist(args.input), args)
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