mirror of https://codeberg.org/gitnex/GitNex.git
701 lines
20 KiB
Java
701 lines
20 KiB
Java
package org.mian.gitnex.helpers;
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import android.content.Context;
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import android.content.Intent;
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import android.graphics.Typeface;
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import android.text.Spanned;
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import android.widget.TextView;
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import androidx.annotation.NonNull;
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import androidx.core.content.res.ResourcesCompat;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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import org.commonmark.ext.gfm.tables.TableBlock;
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import org.commonmark.node.AbstractVisitor;
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import org.commonmark.node.FencedCodeBlock;
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import org.commonmark.node.Image;
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import org.commonmark.node.Link;
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import org.commonmark.node.Node;
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import org.commonmark.node.Text;
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import org.commonmark.parser.InlineParserFactory;
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import org.commonmark.parser.Parser;
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import org.commonmark.parser.PostProcessor;
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import org.mian.gitnex.R;
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import org.mian.gitnex.activities.IssueDetailActivity;
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import org.mian.gitnex.activities.ProfileActivity;
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import org.mian.gitnex.clients.PicassoService;
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import org.mian.gitnex.core.MainGrammarLocator;
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import java.util.Objects;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.concurrent.ThreadPoolExecutor;
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import java.util.concurrent.TimeUnit;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import io.noties.markwon.AbstractMarkwonPlugin;
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import io.noties.markwon.Markwon;
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import io.noties.markwon.MarkwonConfiguration;
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import io.noties.markwon.SoftBreakAddsNewLinePlugin;
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import io.noties.markwon.core.CorePlugin;
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import io.noties.markwon.core.MarkwonTheme;
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import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
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import io.noties.markwon.ext.tables.TableAwareMovementMethod;
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import io.noties.markwon.ext.tables.TablePlugin;
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import io.noties.markwon.ext.tasklist.TaskListPlugin;
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import io.noties.markwon.html.HtmlPlugin;
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import io.noties.markwon.image.picasso.PicassoImagesPlugin;
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import io.noties.markwon.inlineparser.InlineProcessor;
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import io.noties.markwon.inlineparser.MarkwonInlineParser;
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import io.noties.markwon.linkify.LinkifyPlugin;
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import io.noties.markwon.movement.MovementMethodPlugin;
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import io.noties.markwon.recycler.MarkwonAdapter;
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import io.noties.markwon.recycler.SimpleEntry;
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import io.noties.markwon.recycler.table.TableEntry;
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import io.noties.markwon.recycler.table.TableEntryPlugin;
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import de.qwerty287.markwonprism4j.Prism4jTheme;
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import de.qwerty287.markwonprism4j.Prism4jThemeDarkula;
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import de.qwerty287.markwonprism4j.Prism4jThemeDefault;
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import de.qwerty287.markwonprism4j.SyntaxHighlightPlugin;
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import io.noties.prism4j.Prism4j;
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import stormpot.Allocator;
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import stormpot.BlazePool;
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import stormpot.Config;
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import stormpot.Pool;
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import stormpot.Poolable;
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import stormpot.Slot;
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import stormpot.Timeout;
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/**
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* @author opyale
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*/
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public class Markdown {
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private static final int MAX_OBJECT_POOL_SIZE = 45;
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private static final int MAX_THREAD_POOL_SIZE = Runtime.getRuntime().availableProcessors();
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private static final Timeout OBJECT_POOL_CLAIM_TIMEOUT = new Timeout(240, TimeUnit.SECONDS);
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private static final ExecutorService executorService =
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new ThreadPoolExecutor(MAX_THREAD_POOL_SIZE, MAX_THREAD_POOL_SIZE, 0, TimeUnit.SECONDS, new LinkedBlockingQueue<>());
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private static final Pool<Renderer> rendererPool;
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private static final Pool<RecyclerViewRenderer> rvRendererPool;
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static {
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Config<Renderer> config = new Config<>();
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config.setBackgroundExpirationEnabled(true);
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config.setPreciseLeakDetectionEnabled(true);
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config.setSize(MAX_OBJECT_POOL_SIZE);
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config.setAllocator(new Allocator<Renderer>() {
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@Override
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public Renderer allocate(Slot slot) {
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return new Renderer(slot);
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}
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@Override public void deallocate(Renderer poolable) {}
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});
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rendererPool = new BlazePool<>(config);
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Config<RecyclerViewRenderer> configRv = new Config<>();
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configRv.setBackgroundExpirationEnabled(true);
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configRv.setPreciseLeakDetectionEnabled(true);
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configRv.setSize(MAX_OBJECT_POOL_SIZE);
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configRv.setAllocator(new Allocator<RecyclerViewRenderer>() {
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@Override
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public RecyclerViewRenderer allocate(Slot slot) {
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return new RecyclerViewRenderer(slot);
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}
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@Override
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public void deallocate(RecyclerViewRenderer poolable) {
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}
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});
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rvRendererPool = new BlazePool<>(configRv);
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}
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public static void render(Context context, String markdown, TextView textView) {
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try {
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Renderer renderer = rendererPool.claim(OBJECT_POOL_CLAIM_TIMEOUT);
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if(renderer != null) {
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renderer.setParameters(context, markdown, textView);
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executorService.execute(renderer);
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}
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}
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catch(InterruptedException ignored) {
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}
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}
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public static void render(Context context, String markdown, RecyclerView recyclerView) {
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try {
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RecyclerViewRenderer renderer = rvRendererPool.claim(OBJECT_POOL_CLAIM_TIMEOUT);
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if(renderer != null) {
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renderer.setParameters(context, markdown, recyclerView);
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executorService.execute(renderer);
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}
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}
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catch(InterruptedException ignored) {
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}
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}
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private static class Renderer implements Runnable, Poolable {
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private final Slot slot;
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private Markwon markwon;
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private Context context;
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private String markdown;
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private TextView textView;
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public Renderer(Slot slot) {
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this.slot = slot;
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}
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private void setup() {
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Prism4jTheme prism4jTheme =
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TinyDB.getInstance(context).getString("currentTheme").equals("dark") ? Prism4jThemeDarkula.create() : Prism4jThemeDefault.create();
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Markwon.Builder builder = Markwon.builder(context).usePlugin(CorePlugin.create()).usePlugin(HtmlPlugin.create())
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.usePlugin(LinkifyPlugin.create(true)).usePlugin(SoftBreakAddsNewLinePlugin.create()).usePlugin(TablePlugin.create(context))
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.usePlugin(MovementMethodPlugin.create(TableAwareMovementMethod.create())).usePlugin(TaskListPlugin.create(context))
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.usePlugin(StrikethroughPlugin.create()).usePlugin(PicassoImagesPlugin.create(PicassoService.getInstance(context).get())).usePlugin(
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SyntaxHighlightPlugin
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.create(new Prism4j(MainGrammarLocator.getInstance()), prism4jTheme, MainGrammarLocator.DEFAULT_FALLBACK_LANGUAGE))
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.usePlugin(new AbstractMarkwonPlugin() {
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private Typeface tf;
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private void setupTf(Context context) {
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switch(TinyDB.getInstance(context).getInt("customFontId", -1)) {
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case 0:
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tf = Typeface.createFromAsset(context.getAssets(), "fonts/roboto.ttf");
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break;
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case 2:
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tf = Typeface.createFromAsset(context.getAssets(), "fonts/sourcecodeproregular.ttf");
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break;
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default:
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tf = Typeface.createFromAsset(context.getAssets(), "fonts/manroperegular.ttf");
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break;
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}
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}
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@Override
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public void beforeSetText(@NonNull TextView textView, @NonNull Spanned markdown) {
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if(tf == null) {
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setupTf(textView.getContext());
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}
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textView.setTypeface(tf);
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super.beforeSetText(textView, markdown);
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}
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@Override
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public void configureTheme(@NonNull MarkwonTheme.Builder builder) {
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builder.codeBlockTypeface(Typeface.createFromAsset(context.getAssets(), "fonts/sourcecodeproregular.ttf"));
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builder.codeBlockMargin((int) (context.getResources().getDisplayMetrics().density * 10));
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builder.blockMargin((int) (context.getResources().getDisplayMetrics().density * 10));
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builder.codeTextSize((int) (context.getResources().getDisplayMetrics().scaledDensity * 13));
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builder.codeTypeface(Typeface.createFromAsset(context.getAssets(), "fonts/sourcecodeproregular.ttf"));
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builder.linkColor(ResourcesCompat.getColor(context.getResources(), R.color.lightBlue, null));
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if(tf == null) {
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setupTf(context);
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}
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builder.headingTypeface(tf);
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}
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});
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markwon = builder.build();
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}
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public void setParameters(Context context, String markdown, TextView textView) {
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this.context = context;
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this.markdown = markdown;
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this.textView = textView;
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}
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@Override
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public void run() {
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Objects.requireNonNull(context);
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Objects.requireNonNull(markdown);
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Objects.requireNonNull(textView);
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if(markwon == null) {
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setup();
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}
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Spanned processedMarkdown = markwon.toMarkdown(markdown);
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TextView localReference = textView;
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localReference.post(() -> localReference.setText(processedMarkdown));
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release();
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}
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@Override
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public void release() {
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context = null;
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markdown = null;
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textView = null;
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slot.release(this);
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}
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public void expire() {
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slot.expire(this);
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}
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}
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private static class RecyclerViewRenderer implements Runnable, Poolable {
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private final Slot slot;
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private Markwon markwon;
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private Context context;
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private String markdown;
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private RecyclerView recyclerView;
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private MarkwonAdapter adapter;
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public RecyclerViewRenderer(Slot slot) {
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this.slot = slot;
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}
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private void setup() {
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Objects.requireNonNull(context);
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Prism4jTheme prism4jTheme =
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TinyDB.getInstance(context).getString("currentTheme").equals("dark") ? Prism4jThemeDarkula.create() : Prism4jThemeDefault.create();
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final InlineParserFactory inlineParserFactory = MarkwonInlineParser.factoryBuilder().addInlineProcessor(new IssueInlineProcessor())
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.addInlineProcessor(new UserInlineProcessor()).build();
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Markwon.Builder builder = Markwon.builder(context).usePlugin(CorePlugin.create()).usePlugin(HtmlPlugin.create())
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.usePlugin(LinkifyPlugin.create(true)) // TODO not working
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.usePlugin(SoftBreakAddsNewLinePlugin.create()).usePlugin(TableEntryPlugin.create(context))
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.usePlugin(MovementMethodPlugin.create(TableAwareMovementMethod.create())).usePlugin(TaskListPlugin.create(context))
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.usePlugin(StrikethroughPlugin.create()).usePlugin(PicassoImagesPlugin.create(PicassoService.getInstance(context).get())).usePlugin(
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SyntaxHighlightPlugin
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.create(new Prism4j(MainGrammarLocator.getInstance()), prism4jTheme, MainGrammarLocator.DEFAULT_FALLBACK_LANGUAGE))
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.usePlugin(new AbstractMarkwonPlugin() {
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private final Context context = RecyclerViewRenderer.this.context;
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private Typeface tf;
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private void setupTf(Context context) {
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switch(TinyDB.getInstance(context).getInt("customFontId", -1)) {
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case 0:
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tf = Typeface.createFromAsset(context.getAssets(), "fonts/roboto.ttf");
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break;
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case 2:
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tf = Typeface.createFromAsset(context.getAssets(), "fonts/sourcecodeproregular.ttf");
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break;
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default:
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tf = Typeface.createFromAsset(context.getAssets(), "fonts/manroperegular.ttf");
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break;
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}
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}
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@Override
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public void beforeSetText(@NonNull TextView textView, @NonNull Spanned markdown) {
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if(tf == null) {
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setupTf(textView.getContext());
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}
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textView.setTypeface(tf);
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super.beforeSetText(textView, markdown);
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}
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@Override
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public void configureParser(@NonNull Parser.Builder builder) {
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builder.inlineParserFactory(inlineParserFactory);
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builder.postProcessor(new LinkPostProcessor(TinyDB.getInstance(context), context.getString(R.string.commentButtonText)));
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}
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@Override
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public void configureTheme(@NonNull MarkwonTheme.Builder builder) {
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builder.codeBlockTypeface(Typeface.createFromAsset(context.getAssets(), "fonts/sourcecodeproregular.ttf"));
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builder.codeBlockMargin((int) (context.getResources().getDisplayMetrics().density * 10));
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builder.blockMargin((int) (context.getResources().getDisplayMetrics().density * 10));
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builder.codeTextSize((int) (context.getResources().getDisplayMetrics().scaledDensity * 13));
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builder.codeTypeface(Typeface.createFromAsset(context.getAssets(), "fonts/sourcecodeproregular.ttf"));
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builder.linkColor(ResourcesCompat.getColor(context.getResources(), R.color.lightBlue, null));
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if(tf == null) {
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setupTf(context);
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}
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builder.headingTypeface(Typeface.create(tf, Typeface.BOLD));
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}
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@Override
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public void configureConfiguration(@NonNull MarkwonConfiguration.Builder builder) {
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builder.linkResolver((view, link) -> {
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if(link.startsWith("gitnexuser://")) {
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Intent i = new Intent(view.getContext(), ProfileActivity.class);
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i.putExtra("username", link.substring(13));
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view.getContext().startActivity(i);
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}
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else if(link.startsWith("gitnexissue://")) {
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link = link.substring(14); // remove gitnexissue://
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Intent i = new Intent(view.getContext(), IssueDetailActivity.class);
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String index;
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TinyDB tinyDB = TinyDB.getInstance(context);
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if(link.contains("/")) {
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index = link.split("#")[1];
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tinyDB.putString("repoFullName", link.split("#")[0]);
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i.putExtra("openedFromLink", "true");
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}
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else {
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index = link.substring(1);
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}
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tinyDB.putString("issueNumber", index);
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i.putExtra("issueNumber", index);
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view.getContext().startActivity(i);
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}
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else if(link.startsWith("gitnexcommit://")) {
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// this is not supported by GitNex itself right now, so let's open the browser
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TinyDB tinyDB = TinyDB.getInstance(context);
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String instanceUrl = tinyDB.getString("instanceUrl");
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instanceUrl = instanceUrl.substring(0, instanceUrl.lastIndexOf("api/v1/"));
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link = link.substring(15);
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if(link.contains("/")) {
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AppUtil.openUrlInBrowser(context,
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instanceUrl + link.substring(0, link.lastIndexOf("/")) + "/commit/" + link.split("/")[2]);
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}
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else {
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AppUtil.openUrlInBrowser(context, instanceUrl + tinyDB.getString("repoFullName") + "/commit/" + link);
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}
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}
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else {
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AppUtil.openUrlInBrowser(view.getContext(), link);
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}
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});
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super.configureConfiguration(builder);
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}
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});
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markwon = builder.build();
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}
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private void setupAdapter() {
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adapter = MarkwonAdapter.builderTextViewIsRoot(R.layout.custom_markdown_adapter).include(TableBlock.class, TableEntry.create(
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builder2 -> builder2.tableLayout(R.layout.custom_markdown_table, R.id.table_layout)
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.textLayoutIsRoot(R.layout.custom_markdown_adapter)))
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.include(FencedCodeBlock.class, SimpleEntry.create(R.layout.custom_markdown_code_block, R.id.textCodeBlock)).build();
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}
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public void setParameters(Context context, String markdown, RecyclerView recyclerView) {
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this.context = context;
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this.markdown = markdown;
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this.recyclerView = recyclerView;
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}
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@Override
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public void run() {
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Objects.requireNonNull(context);
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Objects.requireNonNull(markdown);
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Objects.requireNonNull(recyclerView);
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if(markwon == null) {
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setup();
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}
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setupAdapter();
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RecyclerView localReference = recyclerView;
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String localMd = markdown;
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MarkwonAdapter localAdapter = adapter;
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localReference.post(() -> {
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localReference.setLayoutManager(new LinearLayoutManager(context) {
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@Override
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public boolean canScrollVertically() {
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return false; // disable RecyclerView scrolling, handeled by seperate ScrollViews
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}
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});
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localReference.setAdapter(localAdapter);
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localAdapter.setMarkdown(markwon, localMd);
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localAdapter.notifyDataSetChanged();
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});
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release();
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}
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@Override
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public void release() {
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context = null;
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markdown = null;
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recyclerView = null;
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adapter = null;
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slot.release(this);
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}
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public void expire() {
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slot.expire(this);
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}
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}
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private static class IssueInlineProcessor extends InlineProcessor {
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private static final Pattern RE = Pattern.compile("(?<!\\w)#\\d+");
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@Override
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public char specialCharacter() {
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return '#';
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}
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@Override
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protected Node parse() {
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final String id = match(RE);
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if(id != null) {
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Link link = new Link("gitnexissue://" + id, null);
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link.appendChild(text(id));
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return link;
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}
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return null;
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}
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}
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private static class UserInlineProcessor extends InlineProcessor {
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private static final Pattern RE = Pattern.compile("(?<!\\w)@\\w+");
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@Override
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public char specialCharacter() {
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return '@';
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}
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@Override
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protected Node parse() {
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final String user = match(RE);
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if(user != null) {
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final Link link = new Link("gitnexuser://" + user.substring(1 /* remove @ */), null);
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link.appendChild(text(user));
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return link;
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}
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return null;
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}
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}
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private static class LinkPostProcessor implements PostProcessor {
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private final String commentText;
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private final TinyDB tinyDB;
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private String instanceUrl;
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private String fullRepoName;
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public LinkPostProcessor(TinyDB tinyDB, String commentText) {
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this.commentText = commentText;
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this.tinyDB = tinyDB;
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init();
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}
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private static Node insertNode(Node node, Node insertAfterNode) {
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insertAfterNode.insertAfter(node);
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return node;
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}
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private void init() {
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String instanceUrl = tinyDB.getString("instanceUrl");
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instanceUrl = instanceUrl.substring(0, instanceUrl.lastIndexOf("api/v1/")).replaceAll("\\.", "\\.");
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this.instanceUrl = instanceUrl;
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fullRepoName = tinyDB.getString("repoFullName");
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}
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@Override
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public Node process(Node node) {
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init();
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AutolinkVisitor autolinkVisitor = new AutolinkVisitor();
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node.accept(autolinkVisitor);
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return node;
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}
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private void link(Text textNode) {
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String literal = textNode.getLiteral();
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Node lastNode = textNode;
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boolean foundAny = false;
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final Pattern patternIssue = Pattern
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.compile(instanceUrl + "([^/]+/[^/]+)/(?:issues|pulls)/(\\d+)(?:(?:/#|#)(issue-\\d+|issuecomment-\\d+)|)", Pattern.MULTILINE);
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final Matcher matcherIssue = patternIssue.matcher(literal);
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final Pattern patternCommit = Pattern.compile(instanceUrl + "([^/]+/[^/]+)/commit/([a-z0-9_]+)(?!`|\\)|\\S+)", Pattern.MULTILINE);
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final Matcher matcherCommit = patternCommit.matcher(literal);
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int foundAt = 0;
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for(int i = 0; i < literal.length(); i++) {
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int issueStart = literal.length();
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if(matcherIssue.find(i)) {
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issueStart = matcherIssue.start();
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foundAny = true;
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}
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int commitStart = literal.length();
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if(matcherCommit.find(i)) {
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commitStart = matcherCommit.start();
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foundAny = true;
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}
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if(commitStart < issueStart) {
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// next one is a commit
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if(matcherCommit.start() > i) {
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lastNode = insertNode(new Text(literal.substring(foundAt, matcherCommit.start())), lastNode);
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}
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String shortSha = matcherCommit.group(2);
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if(shortSha == null) {
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return;
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}
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if(shortSha.length() > 10) {
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shortSha = shortSha.substring(0, 10);
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}
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String text;
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if(matcherCommit.group(1).equals(fullRepoName)) {
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text = shortSha;
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}
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else {
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text = matcherCommit.group(1) + "/" + shortSha;
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}
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Text contentNode = new Text(text);
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Link linkNode = new Link("gitnexcommit://" + text, null);
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linkNode.appendChild(contentNode);
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lastNode = insertNode(linkNode, lastNode);
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i = matcherCommit.start();
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}
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else if(issueStart < literal.length()) {
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// next one is an issue/comment
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if(matcherIssue.start() > i) {
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lastNode = insertNode(new Text(literal.substring(i, matcherIssue.start())), lastNode);
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}
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String text;
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if(matcherIssue.group(1).equals(fullRepoName)) {
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text = "#" + matcherIssue.group(2);
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}
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else {
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text = matcherIssue.group(1) + "#" + matcherIssue.group(2);
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}
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Text contentNode = new Text(text);
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Link linkNode = new Link("gitnexissue://" + text, null);
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linkNode.appendChild(contentNode);
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lastNode = insertNode(linkNode, lastNode);
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String anchor = matcherIssue.group(3);
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if(anchor != null && anchor.startsWith("issuecomment-")) {
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// comment
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|
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// insert space
|
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lastNode = insertNode(new Text(" "), lastNode);
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|
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Text commentNode = new Text("(" + commentText + ")");
|
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Link linkCommentNode = new Link(matcherIssue.group(), null);
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linkCommentNode.appendChild(commentNode);
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lastNode = insertNode(linkCommentNode, lastNode);
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}
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i = matcherIssue.end();
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}
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// reset every time to make it usable in a "pure" state
|
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matcherCommit.reset();
|
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matcherIssue.reset();
|
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}
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if(foundAny) {
|
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textNode.unlink();
|
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}
|
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}
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private void linkifyImage(Image node) {
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|
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final Matcher patternAttachments = Pattern.compile("(/attachments/\\S+)", Pattern.MULTILINE).matcher(node.getDestination());
|
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if(patternAttachments.matches()) {
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node.setDestination(instanceUrl + fullRepoName + patternAttachments.group(1));
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}
|
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}
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|
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private class AutolinkVisitor extends AbstractVisitor {
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|
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int inLink = 0;
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|
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@Override
|
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public void visit(Link link) {
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|
|
inLink++;
|
|
super.visit(link);
|
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inLink--;
|
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}
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@Override
|
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public void visit(Image image) {
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|
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super.visit(image);
|
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linkifyImage(image);
|
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}
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@Override
|
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public void visit(Text text) {
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|
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if(inLink == 0) {
|
|
link(text);
|
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}
|
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}
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}
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|
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}
|
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}
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