1/*
 2 * Copyright (c) 2017, Daniel Gultsch All rights reserved.
 3 *
 4 * Redistribution and use in source and binary forms, with or without modification,
 5 * are permitted provided that the following conditions are met:
 6 *
 7 * 1. Redistributions of source code must retain the above copyright notice, this
 8 * list of conditions and the following disclaimer.
 9 *
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation and/or
12 * other materials provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its contributors
15 * may be used to endorse or promote products derived from this software without
16 * specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
22 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30package eu.siacs.conversations.utils;
31
32import eu.siacs.conversations.entities.Message;
33
34public class MessageUtils {
35	public static String prepareQuote(Message message) {
36		final StringBuilder builder = new StringBuilder();
37		final String body = message.getMergedBody().toString();
38		for(String line : body.split("\n")) {
39			if (line.length() <= 0) {
40				continue;
41			}
42			final char c = line.charAt(0);
43			if (c == '>' && UIHelper.isPositionFollowedByQuoteableCharacter(line,0)
44					|| (c == '\u00bb' && !UIHelper.isPositionFollowedByQuote(line,0))) {
45				continue;
46			}
47			if (builder.length() != 0 ) {
48				builder.append('\n');
49			}
50			builder.append(line.trim());
51		}
52		return builder.toString();
53	}
54}