From c488a155c4f753b3c8654033c9465019428fdc8b Mon Sep 17 00:00:00 2001
From: Graham <gpe@openrs2.dev>
Date: Thu, 30 Apr 2020 22:09:11 +0100
Subject: [PATCH] Replace operator and game names with values from the config
 file

Signed-off-by: Graham <gpe@openrs2.dev>
---
 .../java/dev/openrs2/bundler/BundlerModule.kt |  2 +
 .../bundler/transform/NameTransformer.kt      | 52 +++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 bundler/src/main/java/dev/openrs2/bundler/transform/NameTransformer.kt

diff --git a/bundler/src/main/java/dev/openrs2/bundler/BundlerModule.kt b/bundler/src/main/java/dev/openrs2/bundler/BundlerModule.kt
index 80843336..c5e7704d 100644
--- a/bundler/src/main/java/dev/openrs2/bundler/BundlerModule.kt
+++ b/bundler/src/main/java/dev/openrs2/bundler/BundlerModule.kt
@@ -9,6 +9,7 @@ import dev.openrs2.bundler.transform.DomainTransformer
 import dev.openrs2.bundler.transform.HostCheckTransformer
 import dev.openrs2.bundler.transform.LoadLibraryTransformer
 import dev.openrs2.bundler.transform.MacResizeTransformer
+import dev.openrs2.bundler.transform.NameTransformer
 import dev.openrs2.bundler.transform.PlatformDetectionTransformer
 import dev.openrs2.bundler.transform.PublicKeyTransformer
 import dev.openrs2.bundler.transform.RightClickTransformer
@@ -28,6 +29,7 @@ object BundlerModule : AbstractModule() {
         binder.addBinding().to(DomainTransformer::class.java)
         binder.addBinding().to(LoadLibraryTransformer::class.java)
         binder.addBinding().to(MacResizeTransformer::class.java)
+        binder.addBinding().to(NameTransformer::class.java)
         binder.addBinding().to(PlatformDetectionTransformer::class.java)
         binder.addBinding().to(PublicKeyTransformer::class.java)
         binder.addBinding().to(RightClickTransformer::class.java)
diff --git a/bundler/src/main/java/dev/openrs2/bundler/transform/NameTransformer.kt b/bundler/src/main/java/dev/openrs2/bundler/transform/NameTransformer.kt
new file mode 100644
index 00000000..fb173082
--- /dev/null
+++ b/bundler/src/main/java/dev/openrs2/bundler/transform/NameTransformer.kt
@@ -0,0 +1,52 @@
+package dev.openrs2.bundler.transform
+
+import com.github.michaelbull.logging.InlineLogger
+import dev.openrs2.asm.classpath.ClassPath
+import dev.openrs2.asm.classpath.Library
+import dev.openrs2.asm.transform.Transformer
+import dev.openrs2.conf.Config
+import org.objectweb.asm.tree.ClassNode
+import org.objectweb.asm.tree.LdcInsnNode
+import org.objectweb.asm.tree.MethodNode
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class NameTransformer @Inject constructor(
+    private val config: Config
+) : Transformer() {
+    private var names = 0
+
+    override fun preTransform(classPath: ClassPath) {
+        names = 0
+    }
+
+    override fun transformCode(classPath: ClassPath, library: Library, clazz: ClassNode, method: MethodNode): Boolean {
+        for (insn in method.instructions) {
+            if (insn !is LdcInsnNode) {
+                continue
+            }
+
+            val cst = insn.cst
+            if (cst !is String) {
+                continue
+            }
+
+            insn.cst = cst.replace("RuneScape", config.game)
+                .replace("Jagex", config.operator)
+            if (insn.cst != cst) {
+                names++
+            }
+        }
+
+        return false
+    }
+
+    override fun postTransform(classPath: ClassPath) {
+        logger.info { "Replaced $names operator and game names" }
+    }
+
+    companion object {
+        private val logger = InlineLogger()
+    }
+}