125 lines
4.6 KiB
Java
125 lines
4.6 KiB
Java
package app.fedilab.android.mastodon.helper;
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/* Copyright 2023 Thomas Schneider
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*
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* This file is a part of Fedilab
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Fedilab; if not,
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* see <http://www.gnu.org/licenses>. */
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import static app.fedilab.android.mastodon.helper.Helper.mentionLongPattern;
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import static app.fedilab.android.mastodon.helper.Helper.mentionPattern;
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import static app.fedilab.android.mastodon.helper.Helper.mentionPatternALL;
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import static app.fedilab.android.mastodon.helper.MastodonHelper.countWithEmoji;
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import android.util.Patterns;
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import java.util.ArrayList;
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import java.util.regex.Matcher;
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import app.fedilab.android.mastodon.ui.drawer.ComposeAdapter;
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public class ComposeHelper {
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/**
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* Allows to split the toot by dot "." for sentences - adds number at the end automatically
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*
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* @param content String initial content
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* @param maxChars int the max chars per toot
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* @return ArrayList<String> split toot
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*/
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public static ArrayList<String> splitToots(String content, int maxChars) {
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String[] splitContent = content.split("\\s");
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ArrayList<String> mentions = new ArrayList<>();
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int mentionLength;
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StringBuilder mentionString = new StringBuilder();
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Matcher matcher = mentionPatternALL.matcher(content);
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while (matcher.find()) {
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String mentionLong = matcher.group(1);
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if(mentionLong != null) {
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if (!mentions.contains(mentionLong)) {
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mentions.add(mentionLong);
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}
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}
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String mentionShort = matcher.group(2);
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if(mentionShort != null) {
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if (!mentions.contains(mentionShort)) {
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mentions.add(mentionShort);
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}
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}
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}
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for (String mention : mentions) {
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mentionString.append(mention).append(" ");
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}
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mentionLength = countLength(mentionString.toString()) + 1;
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int maxCharsPerMessage = maxChars - mentionLength;
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int totalCurrent = 0;
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ArrayList<String> reply = new ArrayList<>();
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int index = 0;
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for (String s : splitContent) {
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if ((totalCurrent + s.length() + 1) < maxCharsPerMessage) {
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totalCurrent += (s.length() + 1);
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} else {
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if (content.length() > totalCurrent && totalCurrent > 0) {
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String tempContent = content.substring(0, (totalCurrent));
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content = content.substring(totalCurrent);
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reply.add(index, tempContent);
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index++;
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totalCurrent = s.length() + 1;
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}
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}
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}
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if (totalCurrent > 0) {
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reply.add(index, content);
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}
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if (reply.size() > 1) {
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int i = 0;
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for (String r : reply) {
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if (mentions.size() > 0) {
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String tmpMention = mentionString.toString();
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for (String mention : mentions) {
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if (r.contains(mention)) {
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tmpMention = tmpMention.replace(mention, "");
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}
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}
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reply.set(i, r + " " + tmpMention);
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} else {
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reply.set(i, r);
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}
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i++;
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}
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}
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return reply;
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}
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/***
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* Returns the length used when composing a toot
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* @param mentions String containing mentions
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* @return int - characters used
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*/
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public static int countLength(String mentions) {
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String contentCount = mentions;
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contentCount = contentCount.replaceAll("(?i)(^|[^/\\w])@(([a-z0-9_]+)@[a-z0-9.-]+[a-z0-9]+)", "$1@$3");
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Matcher matcherALink = Patterns.WEB_URL.matcher(contentCount);
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while (matcherALink.find()) {
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final String url = matcherALink.group(1);
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if (url != null) {
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contentCount = contentCount.replace(url, "abcdefghijklmnopkrstuvw");
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}
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}
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return contentCount.length();
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}
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}
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