/* * Copyright (c) 2019,2020 Genome Research Ltd. * Author(s): James Bonfield * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * 3. Neither the names Genome Research Ltd and Wellcome Trust Sanger * Institute nor the names of its contributors may be used to endorse * or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY GENOME RESEARCH LTD AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENOME RESEARCH * LTD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ var fs = require("fs"); var tok3 = require("./tok3"); var argv = require('minimist')(process.argv.slice(2), { boolean: ["d","a", "r"] }); if (argv._.length != 1) { process.stderr.write("Usage: node main_tok3.js [-a] [-d] input-file > output-file\n"); process.exit(1); } var filein = argv._[0] var buf = fs.readFileSync(filein); var blk_size = 1024*1024; var raw = argv.r if (!argv.d) { var pos = 0; var out_len = 0; if (raw) blk_size = buf.length while (pos < buf.length) { var buf2 = tok3.encode(buf.slice(pos, pos+blk_size), argv.a); var header = new Buffer.allocUnsafe(4); if (!raw) { header.writeInt32LE(buf2.length, 0); process.stdout.write(header) } process.stdout.write(buf2) pos += blk_size; out_len += buf2.length+4; } process.stderr.write("Compress "+buf.length+" => " + out_len + "\n"); } else { var pos = 0; var out_len = 0; var len = buf.length while (pos < buf.length) { if (!raw) { len = buf.readInt32LE(pos); pos += 4; } var buf2 = tok3.decode(buf.slice(pos, pos+len), len); process.stdout.write(buf2) out_len += buf2.length; pos += len; } process.stderr.write("Decompress " + buf.length + " => " + out_len + "\n"); }