wink-nlp/src/reconstruct-spaces.js

Developer friendly Natural Language Processing ✨

//     wink-nlp
//
//     Copyright (C) GRAYPE Systems Private Limited
//
//     This file is part of “wink-nlp”.
//
//     Permission is hereby granted, free of charge, to any
//     person obtaining a copy of this software and
//     associated documentation files (the "Software"), to
//     deal in the Software without restriction, including
//     without limitation the rights to use, copy, modify,
//     merge, publish, distribute, sublicense, and/or sell
//     copies of the Software, and to permit persons to
//     whom the Software is furnished to do so, subject to
//     the following conditions:
//
//     The above copyright notice and this permission notice
//     shall be included in all copies or substantial
//     portions of the Software.
//
//     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
//     ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
//     TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
//     PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
//     THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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//     DEALINGS IN THE SOFTWARE.

//

var constants = require( './constants.js' );

// Size of a single token.
var tkSize = constants.tkSize;
// Mask for preceding spaces.
var psMask = constants.psMask;

var reconstructSpaces = function ( index, rdd ) {
    var token = rdd.tokens[ ( index * tkSize ) + 1 ];
    var count = token & psMask;  // eslint-disable-line no-bitwise
    return ( count < 0xFFFF ) ? ( ''.padEnd( count ) ) : rdd.nonBreakingSpaces[ index ];
}; // reconstructSpaces()

module.exports = reconstructSpaces;