molstar/lib/commonjs/mol-util/file-info.js

A comprehensive macromolecular library.

"use strict";
/**
 * Copyright (c) 2018 mol* contributors, licensed under MIT, See LICENSE file for more info.
 *
 * @author Alexander Rose <alexander.rose@weirdbyte.de>
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.getFileInfo = void 0;
// TODO only support compressed files for which uncompression support is available???
// TODO store globally with decompression plugins?
var compressedExtList = ['gz', 'zip'];
// TODO store globally with parser plugins?
var binaryExtList = ['bcif', 'ccp4', 'dcd'];
function getFileInfo(file) {
    var path;
    var compressed;
    var protocol = '';
    if (file instanceof File) {
        path = file.name;
    }
    else if (file instanceof Blob) {
        path = '';
    }
    else {
        path = file;
    }
    var queryIndex = path.lastIndexOf('?');
    var query = queryIndex !== -1 ? path.substring(queryIndex) : '';
    path = path.substring(0, queryIndex === -1 ? path.length : queryIndex);
    var name = path.replace(/^.*[\\/]/, '');
    var base = name.substring(0, name.lastIndexOf('.'));
    var nameSplit = name.split('.');
    var ext = nameSplit.length > 1 ? (nameSplit.pop() || '').toLowerCase() : '';
    var protocolMatch = path.match(/^(.+):\/\/(.+)$/);
    if (protocolMatch) {
        protocol = protocolMatch[1].toLowerCase();
        path = protocolMatch[2] || '';
    }
    var dir = path.substring(0, path.lastIndexOf('/') + 1);
    if (compressedExtList.includes(ext)) {
        compressed = ext;
        var n = path.length - ext.length - 1;
        ext = (path.substr(0, n).split('.').pop() || '').toLowerCase();
        var m = base.length - ext.length - 1;
        base = base.substr(0, m);
    }
    else {
        compressed = false;
    }
    var binary = binaryExtList.includes(ext);
    return { path: path, name: name, ext: ext, base: base, dir: dir, compressed: compressed, binary: binary, protocol: protocol, query: query, src: file };
}
exports.getFileInfo = getFileInfo;
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