Merge remote branch abdallahmehiz/tachiyomi:7zip

core/src/main/java/eu/kanade/tachiyomi/util/storage/SevenZUtil.kt

@@ -0,0 +1,16 @@
+package eu.kanade.tachiyomi.util.storage
+
+import eu.kanade.tachiyomi.util.lang.compareToCaseInsensitiveNaturalOrder
+import org.apache.commons.compress.archivers.sevenz.SevenZFile
+import tachiyomi.core.util.system.ImageUtil
+import java.io.InputStream
+
+object SevenZUtil {
+    fun SevenZFile.getImages(): Sequence<ByteArray> {
+        return generateSequence { runCatching { getNextEntry() }.getOrNull() }
+            .filter { !it.isDirectory && ImageUtil.isImage(it.name) { getInputStream(it) } }
+            .sortedWith { f1, f2 -> f1.name.compareToCaseInsensitiveNaturalOrder(f2.name) }
+            .map(::getInputStream)
+            .map { it.use(InputStream::readBytes) } // ByteArray
+    }
+}