Sample app process outgoing repositories links

app-sample/build.gradle

@@ -85,6 +85,6 @@ dependencies {
         implementation it['adapt']
         implementation it['debug']
         implementation it['android-svg']
-        implementation it['android-gif']
+        implementation it['android-gif-impl']
     }
 }

app-sample/src/main/AndroidManifest.xml

@@ -35,9 +35,13 @@
 
                 <data
                     android:host="github.com"
-                    android:pathPattern=".*\\.md"
                     android:scheme="https" />
 
+                <data android:pathPattern=".*\\.md" />
+                <data android:pathPattern=".*\\..*\\.md" />
+                <data android:pathPattern=".*\\..*\\..*\\.md"/>
+                <data android:pathPattern=".*\\..*\\..*\\..*\\.md"/>
+
             </intent-filter>
         </activity>
 

app-sample/src/main/java/io/noties/markwon/app/App.kt

@@ -1,8 +1,14 @@
 package io.noties.markwon.app
 
 import android.app.Application
+import android.content.ComponentName
+import android.content.Intent
+import android.content.pm.ShortcutInfo
+import android.content.pm.ShortcutManager
+import android.os.Build
 import io.noties.debug.AndroidLogDebugOutput
 import io.noties.debug.Debug
+import io.noties.markwon.app.readme.ReadMeActivity
 import io.noties.markwon.app.sample.SampleManager
 import java.util.concurrent.ExecutorService
 import java.util.concurrent.Executors
@@ -17,6 +23,31 @@ class App : Application() {
 
         executorService = Executors.newCachedThreadPool()
         sampleManager = SampleManager(this, executorService)
+
+        ensureReadmeShortcut()
+    }
+
+    private fun ensureReadmeShortcut() {
+        if (Build.VERSION.SDK_INT < 25) {
+            return
+        }
+
+        val manager = getSystemService(ShortcutManager::class.java) ?: return
+
+        @Suppress("ReplaceNegatedIsEmptyWithIsNotEmpty")
+        if (!manager.dynamicShortcuts.isEmpty()) {
+            return
+        }
+
+        val intent = Intent(Intent.ACTION_VIEW).apply {
+            component = ComponentName(this@App, ReadMeActivity::class.java)
+        }
+
+        val shortcut = ShortcutInfo.Builder(this, "readme")
+                .setShortLabel("README")
+                .setIntent(intent)
+                .build()
+        manager.addDynamicShortcuts(mutableListOf(shortcut))
     }
 
     companion object {

app-sample/src/main/java/io/noties/markwon/app/readme/ReadMeActivity.kt

@@ -12,12 +12,14 @@ import androidx.recyclerview.widget.RecyclerView
 import io.noties.debug.Debug
 import io.noties.markwon.AbstractMarkwonPlugin
 import io.noties.markwon.Markwon
+import io.noties.markwon.MarkwonConfiguration
 import io.noties.markwon.MarkwonVisitor
 import io.noties.markwon.app.R
 import io.noties.markwon.app.utils.ReadMeUtils
 import io.noties.markwon.app.utils.hidden
 import io.noties.markwon.app.utils.loadReadMe
 import io.noties.markwon.app.utils.textOrHide
+import io.noties.markwon.ext.strikethrough.StrikethroughPlugin
 import io.noties.markwon.ext.tasklist.TaskListPlugin
 import io.noties.markwon.html.HtmlPlugin
 import io.noties.markwon.image.ImagesPlugin
@@ -27,6 +29,7 @@ import io.noties.markwon.recycler.table.TableEntry
 import io.noties.markwon.recycler.table.TableEntryPlugin
 import io.noties.markwon.syntax.Prism4jThemeDefault
 import io.noties.markwon.syntax.SyntaxHighlightPlugin
+import io.noties.markwon.utils.DumpNodes
 import io.noties.prism4j.Prism4j
 import io.noties.prism4j.annotations.PrismBundle
 import okhttp3.Call
@@ -65,6 +68,7 @@ class ReadMeActivity : Activity() {
                 .usePlugin(TableEntryPlugin.create(this))
                 .usePlugin(SyntaxHighlightPlugin.create(Prism4j(GrammarLocatorDef()), Prism4jThemeDefault.create(0)))
                 .usePlugin(TaskListPlugin.create(this))
+                .usePlugin(StrikethroughPlugin.create())
                 .usePlugin(ReadMeImageDestinationPlugin(intent.data))
                 .usePlugin(object : AbstractMarkwonPlugin() {
                     override fun configureVisitor(builder: MarkwonVisitor.Builder) {
@@ -79,6 +83,10 @@ class ReadMeActivity : Activity() {
                             visitor.builder().append(code)
                         }
                     }
+
+                    override fun configureConfiguration(builder: MarkwonConfiguration.Builder) {
+                        builder.linkResolver(ReadMeLinkResolver())
+                    }
                 })
                 .build()
 
@@ -120,6 +128,7 @@ class ReadMeActivity : Activity() {
                 is Result.Success -> {
                     val markwon = markwon
                     val node = markwon.parse(result.markdown)
+                    Debug.i(DumpNodes.dump(node))
                     if (window != null) {
                         recyclerView.post {
                             adapter.setParsedMarkdown(markwon, node)

app-sample/src/main/java/io/noties/markwon/app/readme/ReadMeLinkResolver.kt

@@ -0,0 +1,18 @@
+package io.noties.markwon.app.readme
+
+import android.view.View
+import io.noties.markwon.LinkResolverDef
+import io.noties.markwon.app.utils.ReadMeUtils
+
+class ReadMeLinkResolver : LinkResolverDef() {
+
+    override fun resolve(view: View, link: String) {
+        val matcher = ReadMeUtils.RE_REPOSITORY.matcher(link)
+        val url = if (matcher.matches()) {
+            ReadMeUtils.buildRepositoryReadMeUrl(matcher.group(1), matcher.group(2))
+        } else {
+            link
+        }
+        super.resolve(view, url)
+    }
+}

app-sample/src/main/java/io/noties/markwon/app/utils/ReadMeUtils.kt

@@ -4,8 +4,13 @@ import android.net.Uri
 import java.util.regex.Pattern
 
 object ReadMeUtils {
+
     // username, repo, branch, lastPathSegment
-    private val RE = Pattern.compile("^https:\\/\\/github\\.com\\/(\\w+?)\\/(\\w+?)\\/(?:blob|raw)\\/(\\w+?)\\/(.+)")
+    @Suppress("RegExpRedundantEscape")
+    private val RE_FILE = Pattern.compile("^https:\\/\\/github\\.com\\/([\\w-.]+?)\\/([\\w-.]+?)\\/(?:blob|raw)\\/([\\w-.]+?)\\/(.+)\$")
+
+    @Suppress("RegExpRedundantEscape")
+    val RE_REPOSITORY: Pattern = Pattern.compile("^https:\\/\\/github.com\\/([\\w-.]+?)\\/([\\w-.]+?)\\/*\$")
 
     data class GithubInfo(
             val username: String,
@@ -20,7 +25,7 @@ object ReadMeUtils {
             return null
         }
 
-        val matcher = RE.matcher(data.toString())
+        val matcher = RE_FILE.matcher(data.toString())
         if (!matcher.matches()) {
             return null
         }
@@ -38,7 +43,16 @@ object ReadMeUtils {
         return if (info == null) {
             data.toString()
         } else {
-            "https://github.com/${info.username}/${info.repository}/raw/${info.branch}/${info.fileName}"
+            buildRawGithubUrl(info)
         }
     }
+
+    @Suppress("MemberVisibilityCanBePrivate")
+    fun buildRawGithubUrl(info: GithubInfo): String {
+        return "https://github.com/${info.username}/${info.repository}/raw/${info.branch}/${info.fileName}"
+    }
+
+    fun buildRepositoryReadMeUrl(username: String, repository: String): String {
+        return buildRawGithubUrl(GithubInfo(username, repository, "master", "README.md"))
+    }
 }

build.gradle

@@ -76,7 +76,9 @@ ext {
             'commonmark-strikethrough': "com.atlassian.commonmark:commonmark-ext-gfm-strikethrough:$commonMarkVersion",
             'commonmark-table'        : "com.atlassian.commonmark:commonmark-ext-gfm-tables:$commonMarkVersion",
             'android-svg'             : 'com.caverock:androidsvg:1.4',
+            // we need 2 gif artifacts at long as we have a difference in version used for API compatibility
             'android-gif'             : 'pl.droidsonroids.gif:android-gif-drawable:1.2.15',
+            'android-gif-impl'        : 'pl.droidsonroids.gif:android-gif-drawable:1.2.20',
             'jlatexmath-android'      : 'ru.noties:jlatexmath-android:0.2.0',
             'okhttp'                  : 'com.squareup.okhttp3:okhttp:3.9.0',
             'prism4j'                 : 'io.noties:prism4j:2.0.0',