From 75a1ab97193eea6a7a97ae7bc55bd57725a36e70 Mon Sep 17 00:00:00 2001
From: sithlord48 <sithlord48@gmail.com>
Date: Tue, 2 Dec 2025 20:57:56 -0500
Subject: [PATCH] chore: remove unused Unicode::UCS4ToUTF8

---
 src/lib/base/Unicode.cpp | 46 ----------------------------------------
 src/lib/base/Unicode.h   |  8 -------
 2 files changed, 54 deletions(-)

diff --git a/src/lib/base/Unicode.cpp b/src/lib/base/Unicode.cpp
index 2567f36d7..36167e670 100644
--- a/src/lib/base/Unicode.cpp
+++ b/src/lib/base/Unicode.cpp
@@ -207,16 +207,6 @@ std::string Unicode::UCS2ToUTF8(const std::string_view &src, bool *errors)
   return doUCS2ToUTF8(reinterpret_cast<const uint8_t *>(src.data()), n, errors);
 }
 
-std::string Unicode::UCS4ToUTF8(const std::string_view &src, bool *errors)
-{
-  // default to success
-  resetError(errors);
-
-  // convert
-  uint32_t n = (uint32_t)src.size() >> 2;
-  return doUCS4ToUTF8(reinterpret_cast<const uint8_t *>(src.data()), n, errors);
-}
-
 std::string Unicode::UTF16ToUTF8(const std::string_view &src, bool *errors)
 {
   // default to success
@@ -263,42 +253,6 @@ std::string Unicode::doUCS2ToUTF8(const uint8_t *data, uint32_t n, bool *errors)
   return dst;
 }
 
-std::string Unicode::doUCS4ToUTF8(const uint8_t *data, uint32_t n, bool *errors)
-{
-  // make some space
-  std::string dst;
-  dst.reserve(n);
-
-  // check if first character is 0xfffe or 0xfeff
-  bool byteSwapped = false;
-  if (n >= 1) {
-    switch (decode32(data, false)) {
-    case 0x0000feff:
-      data += 4;
-      --n;
-      break;
-
-    case 0x0000fffe:
-      byteSwapped = true;
-      data += 4;
-      --n;
-      break;
-
-    default:
-      break;
-    }
-  }
-
-  // convert each character
-  for (; n > 0; --n) {
-    auto c = decode32(data, byteSwapped);
-    toUTF8(dst, c, errors);
-    data += 4;
-  }
-
-  return dst;
-}
-
 std::string Unicode::doUTF16ToUTF8(const uint8_t *data, uint32_t n, bool *errors)
 {
   // make some space
diff --git a/src/lib/base/Unicode.h b/src/lib/base/Unicode.h
index a35e147a0..0a2b53926 100644
--- a/src/lib/base/Unicode.h
+++ b/src/lib/base/Unicode.h
@@ -67,13 +67,6 @@ public:
   */
   static std::string UCS2ToUTF8(const std::string_view &, bool *errors = nullptr);
 
-  //! Convert from UCS-4 to UTF-8
-  /*!
-  Convert from UCS-4 to UTF-8.  If errors is not nullptr then *errors is
-  set to true iff any character could not be decoded.
-  */
-  static std::string UCS4ToUTF8(const std::string_view &, bool *errors = nullptr);
-
   //! Convert from UTF-16 to UTF-8
   /*!
   Convert from UTF-16 to UTF-8.  If errors is not nullptr then *errors is
@@ -86,7 +79,6 @@ public:
 private:
   // internal conversion to UTF8
   static std::string doUCS2ToUTF8(const uint8_t *src, uint32_t n, bool *errors);
-  static std::string doUCS4ToUTF8(const uint8_t *src, uint32_t n, bool *errors);
   static std::string doUTF16ToUTF8(const uint8_t *src, uint32_t n, bool *errors);
 
   // convert characters to/from UTF8