search term parsing + highlighting
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542a06f08a
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27f31446c0
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@ -50,6 +50,7 @@ import eu.siacs.conversations.entities.Roster;
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import eu.siacs.conversations.entities.ServiceDiscoveryResult;
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import eu.siacs.conversations.services.ShortcutService;
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import eu.siacs.conversations.utils.CryptoHelper;
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import eu.siacs.conversations.utils.FtsUtils;
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import eu.siacs.conversations.utils.MimeUtils;
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import eu.siacs.conversations.utils.Resolver;
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import eu.siacs.conversations.xmpp.mam.MamReference;
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@ -229,6 +230,10 @@ public class DatabaseBackend extends SQLiteOpenHelper {
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db.execSQL(CREATE_IDENTITIES_STATEMENT);
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db.execSQL(CREATE_PRESENCE_TEMPLATES_STATEMENT);
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db.execSQL(CREATE_RESOLVER_RESULTS_TABLE);
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db.execSQL(CREATE_MESSAGE_INDEX_TABLE);
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db.execSQL(CREATE_MESSAGE_INSERT_TRIGGER);
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db.execSQL(CREATE_MESSAGE_UPDATE_TRIGGER);
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db.execSQL(CREATE_MESSAGE_DELETE_TRIGGER);
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}
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@Override
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@ -718,10 +723,11 @@ public class DatabaseBackend extends SQLiteOpenHelper {
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return list;
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}
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public Cursor getMessageSearchCursor(String term) {
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public Cursor getMessageSearchCursor(List<String> term) {
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SQLiteDatabase db = this.getReadableDatabase();
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String SQL = "SELECT "+Message.TABLENAME+".*,"+Conversation.TABLENAME+'.'+Conversation.CONTACTJID+','+Conversation.TABLENAME+'.'+Conversation.ACCOUNT+','+Conversation.TABLENAME+'.'+Conversation.MODE+" FROM "+Message.TABLENAME +" join "+Conversation.TABLENAME+" on "+Message.TABLENAME+'.'+Message.CONVERSATION+'='+Conversation.TABLENAME+'.'+Conversation.UUID+" join messages_index ON messages_index.uuid=messages.uuid where "+Message.ENCRYPTION+" NOT IN("+Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE+','+Message.ENCRYPTION_PGP+','+Message.ENCRYPTION_DECRYPTION_FAILED+") AND messages_index.body MATCH ? ORDER BY "+Message.TIME_SENT+" DESC limit "+Config.MAX_SEARCH_RESULTS;
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return db.rawQuery(SQL,new String[]{'%'+term+'%'});
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Log.d(Config.LOGTAG,"search term: "+FtsUtils.toMatchString(term));
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return db.rawQuery(SQL,new String[]{FtsUtils.toMatchString(term)});
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}
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public Iterable<Message> getMessagesIterable(final Conversation conversation) {
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@ -55,18 +55,18 @@ public class MessageSearchTask implements Runnable, Cancellable {
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private static final ReplacingSerialSingleThreadExecutor EXECUTOR = new ReplacingSerialSingleThreadExecutor(MessageSearchTask.class.getName());
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private final XmppConnectionService xmppConnectionService;
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private final String term;
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private final List<String> term;
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private final OnSearchResultsAvailable onSearchResultsAvailable;
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private boolean isCancelled = false;
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private MessageSearchTask(XmppConnectionService xmppConnectionService, String term, OnSearchResultsAvailable onSearchResultsAvailable) {
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private MessageSearchTask(XmppConnectionService xmppConnectionService, List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
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this.xmppConnectionService = xmppConnectionService;
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this.term = term;
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this.onSearchResultsAvailable = onSearchResultsAvailable;
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}
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public static void search(XmppConnectionService xmppConnectionService, String term, OnSearchResultsAvailable onSearchResultsAvailable) {
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public static void search(XmppConnectionService xmppConnectionService, List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
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new MessageSearchTask(xmppConnectionService, term, onSearchResultsAvailable).executeInBackground();
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}
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@ -535,7 +535,7 @@ public class XmppConnectionService extends Service {
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return find(getConversations(), account, jid);
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}
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public void search(String term, OnSearchResultsAvailable onSearchResultsAvailable) {
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public void search(List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
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MessageSearchTask.search(this, term, onSearchResultsAvailable);
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}
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@ -64,6 +64,7 @@ import eu.siacs.conversations.ui.util.DateSeparator;
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import eu.siacs.conversations.ui.util.Drawable;
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import eu.siacs.conversations.ui.util.ListViewUtils;
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import eu.siacs.conversations.ui.util.ShareUtil;
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import eu.siacs.conversations.utils.FtsUtils;
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import eu.siacs.conversations.utils.MessageUtils;
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import static eu.siacs.conversations.ui.util.SoftKeyboardUtils.hideSoftKeyboard;
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@ -75,7 +76,7 @@ public class SearchActivity extends XmppActivity implements TextWatcher, OnSearc
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private MessageAdapter messageListAdapter;
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private final List<Message> messages = new ArrayList<>();
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private WeakReference<Message> selectedMessageReference = new WeakReference<>(null);
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private final ChangeWatcher<String> currentSearch = new ChangeWatcher<>();
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private final ChangeWatcher<List<String>> currentSearch = new ChangeWatcher<>();
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@Override
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public void onCreate(final Bundle savedInstanceState) {
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@ -153,13 +154,10 @@ public class SearchActivity extends XmppActivity implements TextWatcher, OnSearc
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}
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private void quote(Message message) {
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String text = MessageUtils.prepareQuote(message);
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final Conversational conversational = message.getConversation();
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switchToConversationAndQuote(wrap(message.getConversation()), text);
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switchToConversationAndQuote(wrap(message.getConversation()), MessageUtils.prepareQuote(message));
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}
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private Conversation wrap(Conversational conversational) {
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final Conversation conversation;
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if (conversational instanceof Conversation) {
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return (Conversation) conversational;
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} else {
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@ -205,12 +203,12 @@ public class SearchActivity extends XmppActivity implements TextWatcher, OnSearc
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@Override
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public void afterTextChanged(Editable s) {
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final String term = s.toString().trim();
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final List<String> term = FtsUtils.parse(s.toString().trim());
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if (!currentSearch.watch(term)) {
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return;
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}
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if (term.length() > 0) {
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xmppConnectionService.search(s.toString().trim(), this);
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if (term.size() > 0) {
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xmppConnectionService.search(term, this);
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} else {
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MessageSearchTask.cancelRunningTasks();
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this.messages.clear();
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@ -221,7 +219,7 @@ public class SearchActivity extends XmppActivity implements TextWatcher, OnSearc
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}
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@Override
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public void onSearchResultsAvailable(String term, List<Message> messages) {
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public void onSearchResultsAvailable(List<String> term, List<Message> messages) {
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runOnUiThread(() -> {
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this.messages.clear();
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messageListAdapter.setHighlightedTerm(term);
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@ -34,7 +34,6 @@ import android.view.ActionMode;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.View.OnClickListener;
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import android.view.ViewGroup;
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import android.view.WindowManager;
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import android.widget.ArrayAdapter;
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@ -99,7 +98,7 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
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+ "\\;\\/\\?\\@\\&\\=\\#\\~\\-\\.\\+\\!\\*\\'\\(\\)\\,\\_])"
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+ "|(?:\\%[a-fA-F0-9]{2}))+");
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private String highlightedText = null;
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private List<String> highlightedTerm = null;
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private static final Linkify.TransformFilter WEBURL_TRANSFORM_FILTER = (matcher, url) -> {
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if (url == null) {
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@ -550,8 +549,8 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
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}
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StylingHelper.format(body, viewHolder.messageBody.getCurrentTextColor());
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if (highlightedText != null) {
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StylingHelper.highlight(activity, body, highlightedText, StylingHelper.isDarkText(viewHolder.messageBody));
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if (highlightedTerm != null) {
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StylingHelper.highlight(activity, body, highlightedTerm, StylingHelper.isDarkText(viewHolder.messageBody));
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}
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Linkify.addLinks(body, XMPP_PATTERN, "xmpp", XMPPURI_MATCH_FILTER, null);
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@ -1008,8 +1007,8 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
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}
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}
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public void setHighlightedTerm(String term) {
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this.highlightedText = term;
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public void setHighlightedTerm(List<String> term) {
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this.highlightedTerm = term;
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}
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public interface OnQuoteListener {
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@ -35,6 +35,6 @@ import eu.siacs.conversations.entities.Message;
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public interface OnSearchResultsAvailable {
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void onSearchResultsAvailable(String term, List<Message> messages);
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void onSearchResultsAvailable(List<String> term, List<Message> messages);
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}
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@ -0,0 +1,94 @@
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/*
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* Copyright (c) 2018, Daniel Gultsch All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package eu.siacs.conversations.utils;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Locale;
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public class FtsUtils {
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private static List<String> KEYWORDS = Arrays.asList("OR", "AND");
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public static List<String> parse(String input) {
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List<String> term = new ArrayList<>();
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for (String part : input.split("\\s+")) {
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if (part.isEmpty()) {
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continue;
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}
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final String cleaned = part.substring(getStartIndex(part), getEndIndex(part) +1);
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if (isKeyword(cleaned)) {
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term.add(part);
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} else {
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term.add(cleaned);
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}
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}
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return term;
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}
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public static String toMatchString(List<String> terms) {
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StringBuilder builder = new StringBuilder();
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for (String term : terms) {
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if (builder.length() != 0) {
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builder.append(' ');
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}
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if (isKeyword(term)) {
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builder.append(term.toUpperCase(Locale.ENGLISH));
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} else if (term.contains("*") || term.startsWith("-")) {
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builder.append(term);
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} else {
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builder.append('*').append(term).append('*');
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}
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}
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return builder.toString();
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}
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public static boolean isKeyword(String term) {
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return KEYWORDS.contains(term.toUpperCase(Locale.ENGLISH));
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}
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private static int getStartIndex(String term) {
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int index = 0;
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while (term.charAt(index) == '*') {
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++index;
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}
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return index;
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}
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private static int getEndIndex(String term) {
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int index = term.length() - 1;
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while (term.charAt(index) == '*') {
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--index;
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}
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return index;
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}
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}
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@ -91,7 +91,15 @@ public class StylingHelper {
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format(editable, end, editable.length() - 1, textColor);
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}
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public static void highlight(final Context context, final Editable editable, String needle, boolean dark) {
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public static void highlight(final Context context, final Editable editable, List<String> needles, boolean dark) {
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for(String needle : needles) {
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if (!FtsUtils.isKeyword(needle)) {
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highlight(context, editable, needle, dark);
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}
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}
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}
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private static void highlight(final Context context, final Editable editable, String needle, boolean dark) {
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final int length = needle.length();
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String string = editable.toString();
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int start = indexOfIgnoreCase(string, needle, 0);
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