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Add inline processor to custom extension sample

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This commit is contained in:
Dimitry Ivanov 2019-11-14 16:19:02 +03:00
parent 36089699d4
commit d2e4730179
1 changed files with 93 additions and 4 deletions
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97
sample/src/main/java/io/noties/markwon/sample/customextension2/CustomExtensionActivity2.java
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@ -8,6 +8,9 @@ import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import org.commonmark.node.Link;
import org.commonmark.node.Text;
import org.commonmark.parser.InlineParserFactory;
import org.commonmark.parser.Parser;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -20,6 +23,8 @@ import io.noties.markwon.RenderProps;
import io.noties.markwon.SpannableBuilder;
import io.noties.markwon.core.CorePlugin;
import io.noties.markwon.core.CoreProps;
import io.noties.markwon.inlineparser.InlineProcessor;
import io.noties.markwon.inlineparser.MarkwonInlineParser;
import io.noties.markwon.sample.R;
public class CustomExtensionActivity2 extends Activity {
@ -35,6 +40,20 @@ public class CustomExtensionActivity2 extends Activity {
// * `#1` - an issue or a pull request
// * `@user` link to a user
final String md = "# Custom Extension 2\n" +
"\n" +
"This is an issue #1\n" +
"Done by @noties";
// inline_parsing(textView, md);
text_added(textView, md);
}
private void text_added(@NonNull TextView textView, @NonNull String md) {
final Markwon markwon = Markwon.builder(this)
.usePlugin(new AbstractMarkwonPlugin() {
@Override
@ -45,14 +64,84 @@ public class CustomExtensionActivity2 extends Activity {
})
.build();
final String md = "# Custom Extension 2\n" +
"\n" +
"This is an issue #1\n" +
"Done by @noties";
markwon.setMarkdown(textView, md);
}
private void inline_parsing(@NonNull TextView textView, @NonNull String md) {
final InlineParserFactory inlineParserFactory = MarkwonInlineParser.factoryBuilder()
// include all current defaults (otherwise will be empty - contain only our inline-processors)
.includeDefaults()
.addInlineProcessor(new IssueInlineProcessor())
.addInlineProcessor(new UserInlineProcessor())
.build();
final Markwon markwon = Markwon.builder(this)
.usePlugin(new AbstractMarkwonPlugin() {
@Override
public void configureParser(@NonNull Parser.Builder builder) {
builder.inlineParserFactory(inlineParserFactory);
}
})
.build();
markwon.setMarkdown(textView, md);
}
private static class IssueInlineProcessor extends InlineProcessor {
private static final Pattern RE = Pattern.compile("\\d+");
@Override
public char specialCharacter() {
return '#';
}
@Override
protected boolean parse() {
final String id = match(RE);
if (id != null) {
final Link link = new Link(createIssueOrPullRequestLinkDestination(id), null);
link.appendChild(new Text("#" + id));
appendNode(link);
return true;
}
return false;
}
@NonNull
private static String createIssueOrPullRequestLinkDestination(@NonNull String id) {
return "https://github.com/noties/Markwon/issues/" + id;
}
}
private static class UserInlineProcessor extends InlineProcessor {
private static final Pattern RE = Pattern.compile("\\w+");
@Override
public char specialCharacter() {
return '@';
}
@Override
protected boolean parse() {
final String user = match(RE);
if (user != null) {
final Link link = new Link(createUserLinkDestination(user), null);
link.appendChild(new Text("@" + user));
appendNode(link);
return true;
}
return false;
}
@NonNull
private static String createUserLinkDestination(@NonNull String user) {
return "https://github.com/" + user;
}
}
private static class GithubLinkifyRegexTextAddedListener implements CorePlugin.OnTextAddedListener {
private static final Pattern PATTERN = Pattern.compile("((#\\d+)|(@\\w+))", Pattern.MULTILINE);