molstar
Version:
A comprehensive macromolecular library.
53 lines (52 loc) • 2.2 kB
JavaScript
;
/**
* Copyright (c) 2017-2018 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author David Sehnal <david.sehnal@gmail.com>
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.Field = Field;
const db_1 = require("../../../../mol-data/db");
const binary_cif_1 = require("../../../common/binary-cif");
const number_parser_1 = require("../../common/text/number-parser");
function Field(column) {
const mask = column.mask ? (0, binary_cif_1.decode)(column.mask) : void 0;
const data = (0, binary_cif_1.decode)(column.data);
const isNumeric = db_1.ColumnHelpers.isTypedArray(data);
const str = isNumeric
? mask
? row => mask[row] === 0 /* Column.ValueKinds.Present */ ? '' + data[row] : ''
: row => '' + data[row]
: mask
? row => mask[row] === 0 /* Column.ValueKinds.Present */ ? data[row] : ''
: row => data[row];
const int = isNumeric
? row => data[row]
: row => { const v = data[row]; return (0, number_parser_1.parseInt)(v, 0, v.length); };
const float = isNumeric
? row => data[row]
: row => { const v = data[row]; return (0, number_parser_1.parseFloat)(v, 0, v.length); };
const valueKind = mask
? row => mask[row]
: row => 0 /* Column.ValueKinds.Present */;
const rowCount = data.length;
return {
__array: data,
binaryEncoding: column.data.encoding,
isDefined: true,
rowCount,
str,
int,
float,
valueKind,
areValuesEqual: (rowA, rowB) => data[rowA] === data[rowB],
toStringArray: params => db_1.ColumnHelpers.createAndFillArray(rowCount, str, params),
toIntArray: isNumeric
? params => db_1.ColumnHelpers.typedArrayWindow(data, params)
: params => db_1.ColumnHelpers.createAndFillArray(rowCount, int, params),
toFloatArray: isNumeric
? params => db_1.ColumnHelpers.typedArrayWindow(data, params)
: params => db_1.ColumnHelpers.createAndFillArray(rowCount, float, params)
};
}