Add support for jar merging

1 files changed, 33 insertions, 0 deletions

diff --git a/plugin/src/main/kotlin/moe/nea/archenemy/util/FSUtil.kt b/plugin/src/main/kotlin/moe/nea/archenemy/util/FSUtil.kt
new file mode 100644
index 0000000..0b2f70e
--- /dev/null
+++ b/plugin/src/main/kotlin/moe/nea/archenemy/util/FSUtil.kt
@@ -0,0 +1,33 @@
+package moe.nea.archenemy.util
+
+import java.io.InputStream
+import java.net.URI
+import java.nio.file.FileSystem
+import java.nio.file.FileSystems
+import java.nio.file.Path
+import java.util.zip.ZipInputStream
+import java.util.zip.ZipOutputStream
+import kotlin.io.path.createDirectories
+import kotlin.io.path.exists
+import kotlin.io.path.inputStream
+import kotlin.io.path.outputStream
+
+// TODO: Figure out license shit with unimined cause i copied some of these utils?
+fun Path.zipFs(): FileSystem {
+    if (!exists()) {
+        parent.createDirectories()
+        ZipOutputStream(this.outputStream()).use { }
+    }
+    return FileSystems.newFileSystem(URI.create("jar:${toUri()}"), mapOf("create" to true), null)
+}
+
+fun Path.readZipFs(reader: (String, InputStream) -> Unit) {
+    ZipInputStream(this.inputStream()).use { stream ->
+        for (entry in generateSequence { stream.nextEntry }) {
+            if (entry.isDirectory) {
+                continue
+            }
+            reader(entry.name, stream)
+        }
+    }
+}