src: remove decodeLatin1 function and related tests

Author: mertcanaltin

src/encoding_binding.cc

@@ -313,76 +313,6 @@ void BindingData::DecodeWindows1252(const FunctionCallbackInfo<Value>& args) {
   }
 }
 
-void BindingData::DecodeWindows1252(const FunctionCallbackInfo<Value>& args) {
-  Environment* env = Environment::GetCurrent(args);
-
-  CHECK_GE(args.Length(), 1);
-  if (!(args[0]->IsArrayBuffer() || args[0]->IsSharedArrayBuffer() ||
-        args[0]->IsArrayBufferView())) {
-    return node::THROW_ERR_INVALID_ARG_TYPE(
-        env->isolate(),
-        "The \"input\" argument must be an instance of ArrayBuffer, "
-        "SharedArrayBuffer, or ArrayBufferView.");
-  }
-
-  bool ignore_bom = args[1]->IsTrue();
-
-  ArrayBufferViewContents<uint8_t> buffer(args[0]);
-  const uint8_t* data = buffer.data();
-  size_t length = buffer.length();
-
-  if (ignore_bom && length > 0 && data[0] == 0xFF) {
-    data++;
-    length--;
-  }
-
-  if (length == 0) {
-    return args.GetReturnValue().SetEmptyString();
-  }
-
-  // Windows-1252 specific mapping for bytes 128-159
-  // These differ from Latin-1/ISO-8859-1
-  static const uint16_t windows1252_mapping[32] = {
-      0x20AC, 0x0081, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,  // 80-87
-      0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x008D, 0x017D, 0x008F,  // 88-8F
-      0x0090, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,  // 90-97
-      0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x009D, 0x017E, 0x0178   // 98-9F
-  };
-
-  std::string result;
-  result.reserve(length * 3);  // Reserve space for UTF-8 output
-
-  for (size_t i = 0; i < length; i++) {
-    uint8_t byte = data[i];
-    uint32_t codepoint;
-
-    // Check if byte is in the special Windows-1252 range (128-159)
-    if (byte >= 0x80 && byte <= 0x9F) {
-      codepoint = windows1252_mapping[byte - 0x80];
-    } else {
-      // For all other bytes, Windows-1252 is identical to Latin-1
-      codepoint = byte;
-    }
-
-    // Convert codepoint to UTF-8
-    if (codepoint < 0x80) {
-      result.push_back(static_cast<char>(codepoint));
-    } else if (codepoint < 0x800) {
-      result.push_back(static_cast<char>(0xC0 | (codepoint >> 6)));
-      result.push_back(static_cast<char>(0x80 | (codepoint & 0x3F)));
-    } else {
-      result.push_back(static_cast<char>(0xE0 | (codepoint >> 12)));
-      result.push_back(static_cast<char>(0x80 | ((codepoint >> 6) & 0x3F)));
-      result.push_back(static_cast<char>(0x80 | (codepoint & 0x3F)));
-    }
-  }
-
-  Local<Value> ret;
-  if (ToV8Value(env->context(), result, env->isolate()).ToLocal(&ret)) {
-    args.GetReturnValue().Set(ret);
-  }
-}
-
 }  // namespace encoding_binding
 }  // namespace node