From 0837234e4f3f6a7d1251ddec501fb985937192a4 Mon Sep 17 00:00:00 2001
From: Martin Michelsen <fuzziqersoftware+g@gmail.com>
Date: Wed, 18 May 2022 23:58:21 -0700
Subject: [PATCH] add CLI option to decode SJIS

---
 src/Main.cc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/Main.cc b/src/Main.cc
index 323eea23..fef4ca24 100644
--- a/src/Main.cc
+++ b/src/Main.cc
@@ -277,6 +277,7 @@ enum class Behavior {
   DECRYPT_DATA,
   ENCRYPT_DATA,
   DECODE_QUEST_FILE,
+  DECODE_SJIS,
 };
 
 enum class EncryptionType {
@@ -304,6 +305,8 @@ int main(int argc, char** argv) {
       behavior = Behavior::DECRYPT_DATA;
     } else if (!strcmp(argv[x], "--encrypt-data")) {
       behavior = Behavior::ENCRYPT_DATA;
+    } else if (!strcmp(argv[x], "--decode-sjis")) {
+      behavior = Behavior::DECODE_SJIS;
     } else if (!strncmp(argv[x], "--decode-gci=", 13)) {
       behavior = Behavior::DECODE_QUEST_FILE;
       quest_file_type = QuestFileFormat::GCI;
@@ -384,6 +387,15 @@ int main(int argc, char** argv) {
     }
 
     return 0;
+
+  } else if (behavior == Behavior::DECODE_SJIS) {
+    string data = read_all(stdin);
+    if (parse_data) {
+      data = parse_data_string(data);
+    }
+    auto decoded = decode_sjis(data);
+    print_data(stderr, decoded.data(), decoded.size() * sizeof(decoded[0]));
+    return 0;
   }
 
   signal(SIGPIPE, SIG_IGN);