/* Copyright 2019 Assembleia Legislativa de Minas Gerais
 *
 * This file is part of Interpretador-Articulacao.
 *
 * Interpretador-Articulacao is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, version 3.
 *
 * Interpretador-Articulacao is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Interpretador-Articulacao.  If not, see <http://www.gnu.org/licenses/>.
 */
import EscapeInterpretacao, { SubstituirCallback } from '../EscapeInterpretacao';

/**
 * Escapa o símbolo de substituição de escape.
 */
export default class EscapeSimboloEscape extends EscapeInterpretacao {
    escapar(entrada: string, aoEscapar: SubstituirCallback): string {
        for (let idx = entrada.indexOf(EscapeInterpretacao.ESCAPE);
            idx !== -1;
            idx = entrada.indexOf(EscapeInterpretacao.ESCAPE, idx + 1)) {
            aoEscapar(EscapeInterpretacao.ESCAPE, idx);
        }

        return entrada;
    }
}