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1"use strict";2Object.defineProperty(exports, "__esModule", { value: true });3exports.Pax = void 0;4const node_path_1 = require("node:path");5const header_js_1 = require("./header.js");6class Pax {7    atime;8    mtime;9    ctime;10    charset;11    comment;12    gid;13    uid;14    gname;15    uname;16    linkpath;17    dev;18    ino;19    nlink;20    path;21    size;22    mode;23    global;24    constructor(obj, global = false) {25        this.atime = obj.atime;26        this.charset = obj.charset;27        this.comment = obj.comment;28        this.ctime = obj.ctime;29        this.dev = obj.dev;30        this.gid = obj.gid;31        this.global = global;32        this.gname = obj.gname;33        this.ino = obj.ino;34        this.linkpath = obj.linkpath;35        this.mtime = obj.mtime;36        this.nlink = obj.nlink;37        this.path = obj.path;38        this.size = obj.size;39        this.uid = obj.uid;40        this.uname = obj.uname;41    }42    encode() {43        const body = this.encodeBody();44        if (body === '') {45            return Buffer.allocUnsafe(0);46        }47        const bodyLen = Buffer.byteLength(body);48        // round up to 512 bytes49        // add 512 for header50        const bufLen = 512 * Math.ceil(1 + bodyLen / 512);51        const buf = Buffer.allocUnsafe(bufLen);52        // 0-fill the header section, it might not hit every field53        for (let i = 0; i < 512; i++) {54            buf[i] = 0;55        }56        new header_js_1.Header({57            // XXX split the path58            // then the path should be PaxHeader + basename, but less than 99,59            // prepend with the dirname60            /* c8 ignore start */61            path: ('PaxHeader/' + (0, node_path_1.basename)(this.path ?? '')).slice(0, 99),62            /* c8 ignore stop */63            mode: this.mode || 0o644,64            uid: this.uid,65            gid: this.gid,66            size: bodyLen,67            mtime: this.mtime,68            type: this.global ? 'GlobalExtendedHeader' : 'ExtendedHeader',69            linkpath: '',70            uname: this.uname || '',71            gname: this.gname || '',72            devmaj: 0,73            devmin: 0,74            atime: this.atime,75            ctime: this.ctime,76        }).encode(buf);77        buf.write(body, 512, bodyLen, 'utf8');78        // null pad after the body79        for (let i = bodyLen + 512; i < buf.length; i++) {80            buf[i] = 0;81        }82        return buf;83    }84    encodeBody() {85        return (this.encodeField('path') +86            this.encodeField('ctime') +87            this.encodeField('atime') +88            this.encodeField('dev') +89            this.encodeField('ino') +90            this.encodeField('nlink') +91            this.encodeField('charset') +92            this.encodeField('comment') +93            this.encodeField('gid') +94            this.encodeField('gname') +95            this.encodeField('linkpath') +96            this.encodeField('mtime') +97            this.encodeField('size') +98            this.encodeField('uid') +99            this.encodeField('uname'));100    }101    encodeField(field) {102        if (this[field] === undefined) {103            return '';104        }105        const r = this[field];106        const v = r instanceof Date ? r.getTime() / 1000 : r;107        const s = ' ' +108            (field === 'dev' || field === 'ino' || field === 'nlink' ?109                'SCHILY.'110                : '') +111            field +112            '=' +113            v +114            '\n';115        const byteLen = Buffer.byteLength(s);116        // the digits includes the length of the digits in ascii base-10117        // so if it's 9 characters, then adding 1 for the 9 makes it 10118        // which makes it 11 chars.119        let digits = Math.floor(Math.log(byteLen) / Math.log(10)) + 1;120        if (byteLen + digits >= Math.pow(10, digits)) {121            digits += 1;122        }123        const len = digits + byteLen;124        return len + s;125    }126    static parse(str, ex, g = false) {127        return new Pax(merge(parseKV(str), ex), g);128    }129}130exports.Pax = Pax;131const merge = (a, b) => b ? Object.assign({}, b, a) : a;132const parseKV = (str) => str133    .replace(/\n$/, '')134    .split('\n')135    .reduce(parseKVLine, Object.create(null));136const parseKVLine = (set, line) => {137    const n = parseInt(line, 10);138    // XXX Values with \n in them will fail this.139    // Refactor to not be a naive line-by-line parse.140    if (n !== Buffer.byteLength(line) + 1) {141        return set;142    }143    line = line.slice((n + ' ').length);144    const kv = line.split('=');145    const r = kv.shift();146    if (!r) {147        return set;148    }149    const k = r.replace(/^SCHILY\.(dev|ino|nlink)/, '$1');150    const v = kv.join('=');151    set[k] =152        /^([A-Z]+\.)?([mac]|birth|creation)time$/.test(k) ?153            new Date(Number(v) * 1000)154            : /^[0-9]+$/.test(v) ? +v155                : v;156    return set;157};158//# sourceMappingURL=pax.js.map