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package app.fedilab.android.mastodon.helper;
/* Copyright 2023 Thomas Schneider
*
* This file is a part of Fedilab
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Fedilab 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 General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Fedilab; if not,
* see <http://www.gnu.org/licenses>. */
import static app.fedilab.android.mastodon.helper.Helper.mentionLongPattern;
import static app.fedilab.android.mastodon.helper.Helper.mentionPattern;
import static app.fedilab.android.mastodon.helper.Helper.mentionPatternALL;
import static app.fedilab.android.mastodon.helper.MastodonHelper.countWithEmoji;
import android.util.Patterns;
import java.util.ArrayList;
import java.util.regex.Matcher;
import app.fedilab.android.mastodon.ui.drawer.ComposeAdapter;
public class ComposeHelper {
/**
* Allows to split the toot by dot "." for sentences - adds number at the end automatically
*
* @param content String initial content
* @param maxChars int the max chars per toot
* @return ArrayList<String> split toot
*/
public static ArrayList<String> splitToots(String content, int maxChars) {
String[] splitContent = content.split("\\s");
ArrayList<String> mentions = new ArrayList<>();
int mentionLength;
StringBuilder mentionString = new StringBuilder();
Matcher matcher = mentionPatternALL.matcher(content);
while (matcher.find()) {
String mentionLong = matcher.group(1);
if(mentionLong != null) {
if (!mentions.contains(mentionLong)) {
mentions.add(mentionLong);
}
}
String mentionShort = matcher.group(2);
if(mentionShort != null) {
if (!mentions.contains(mentionShort)) {
mentions.add(mentionShort);
}
}
}
for (String mention : mentions) {
mentionString.append(mention).append(" ");
}
mentionLength = countLength(mentionString.toString()) + 1;
int maxCharsPerMessage = maxChars - mentionLength;
int totalCurrent = 0;
ArrayList<String> reply = new ArrayList<>();
int index = 0;
for (String s : splitContent) {
if ((totalCurrent + s.length() + 1) < maxCharsPerMessage) {
totalCurrent += (s.length() + 1);
} else {
if (content.length() > totalCurrent && totalCurrent > 0) {
String tempContent = content.substring(0, (totalCurrent));
content = content.substring(totalCurrent);
reply.add(index, tempContent);
index++;
totalCurrent = s.length() + 1;
}
}
}
if (totalCurrent > 0) {
reply.add(index, content);
}
if (reply.size() > 1) {
int i = 0;
for (String r : reply) {
if (mentions.size() > 0) {
String tmpMention = mentionString.toString();
for (String mention : mentions) {
if (r.contains(mention)) {
tmpMention = tmpMention.replace(mention, "");
}
}
reply.set(i, r + " " + tmpMention);
} else {
reply.set(i, r);
}
i++;
}
}
return reply;
}
/***
* Returns the length used when composing a toot
* @param mentions String containing mentions
* @return int - characters used
*/
public static int countLength(String mentions) {
String contentCount = mentions;
contentCount = contentCount.replaceAll("(?i)(^|[^/\\w])@(([a-z0-9_]+)@[a-z0-9.-]+[a-z0-9]+)", "$1@$3");
Matcher matcherALink = Patterns.WEB_URL.matcher(contentCount);
while (matcherALink.find()) {
final String url = matcherALink.group(1);
if (url != null) {
contentCount = contentCount.replace(url, "abcdefghijklmnopkrstuvw");
}
}
return contentCount.length();
}
}
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