/** * Arara, the cool TeX automation tool * Copyright (c) 2012 -- 2019, Paulo Roberto Massa Cereda * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of the project's author nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ package com.github.cereda.arara.utils; import java.util.ArrayList; import java.util.List; /** * Implements a directive assembler in order to help build a directive from a * list of strings. * @author Paulo Roberto Massa Cereda * @version 4.0 * @since 4.0 */ public class DirectiveAssembler { // this variable holds a list of // line numbers indicating which // lines composed the resulting // potential directive private final List lineNumbers; // this variable holds the textual // representation of the directive private String text; /** * Constructor. */ public DirectiveAssembler() { lineNumbers = new ArrayList(); text = ""; } /** * Checks if an append operation is allowed. * @return A boolean value indicating if an append operation is allowed. */ public boolean isAppendAllowed() { return !lineNumbers.isEmpty(); } /** * Adds a line number to the assembler. * @param line An integer representing the line number. */ public void addLineNumber(int line) { lineNumbers.add(line); } /** * Appends the provided line to the assembler text. * @param line The provided line. */ public void appendLine(String line) { text = text.concat(" ").concat(line.trim()); } /** * Gets the list of line numbers. * @return The list of line numbers. */ public List getLineNumbers() { return lineNumbers; } /** * Gets the text. * @return The assembler text, properly trimmed. */ public String getText() { return text.trim(); } }