fix: Roll back gb18030 midification

3rdparty/terminalwidget/lib/Emulation.cpp

@@ -298,6 +298,44 @@ void Emulation::sendMouseEvent(int /*buttons*/, int /*column*/, int /*row*/, int
  // default implementation does nothing
 }
 
+static int isUse2005Standard = -1;
+/**
+ @brief 检测当前iconv使用的GB18030编码是否为2005标准，2005标准强制使用上层补丁版本
+ 通过检测2005和2022编码转的差异，以附录D中的编码为例验证
+ 2005标准 0xFE51 --> \u20087
+ 2022标准 0xFE51 --> \uE816
+ @return iconv使用GB18030编码是否为2005标准，默认返回true
+ */
+bool Emulation::detectIconvUse2005Standard()
+{
+ iconv_t handle = iconv_open("UTF-8", "GB18030");
+ if (handle == reinterpret_cast<iconv_t>(-1)) {
+ return true;
+ }
+
+ QByteArray input("\xFE\x51");
+ QByteArray output(input.size() * 2, 0);
+ char *inputData = input.data();
+ char *outputData = output.data();
+ size_t inputLen = static_cast<size_t>(input.count());
+ size_t outputLen = static_cast<size_t>(output.count());
+
+ const size_t ret = iconv(handle, &inputData, &inputLen, &outputData, &outputLen);
+ iconv_close(handle);
+
+ if (ret == static_cast<size_t>(-1)) {
+ return true;
+ }
+
+ if (!output.contains("\uE816")) {
+ qInfo() << "Current iconv gb18030 standard is 2005.";
+ return true;
+ }
+
+ qInfo() << "Current iconv gb18030 standard is 2022.";
+ return false;
+}
+
 /*
  We are doing code conversion from locale to unicode first.
 TODO: Character composition from the old code. See #96536
@@ -338,7 +376,11 @@ void Emulation::receiveData(const char *text, int length, bool isCommandExec)
  //setIsCodecGB18030(false);
  }
  else {
- if(_codec->name().toUpper().contains("GB18030")) {
+ if(isUse2005Standard == -1){
+ isUse2005Standard = detectIconvUse2005Standard();
+ qInfo() << "Is Used 2005 standard's gb18030 iconv?" << isUse2005Standard;
+ }
+ if(_codec->name().toUpper().contains("GB18030") && isUse2005Standard == 1) {
  //setIsCodecGB18030(true);
  QByteArray gbkarr(text, length);
  QByteArray Outdata;

3rdparty/terminalwidget/lib/Emulation.h

@@ -515,6 +515,14 @@ public slots:
  /*const */KeyboardTranslator *_keyTranslator; // the keyboard layout
  /********************* Modify by ut000610 daizhengwen End ************************/
 
+ /**
+ @brief 检测当前iconv使用的GB18030编码是否为2005标准，2005标准强制使用上层补丁版本
+ 通过检测2005和2022编码转的差异，以附录D中的编码为例验证
+ 2005标准 0xFE51 --> \u20087
+ 2022标准 0xFE51 --> \uE816
+ @return iconv使用GB18030编码是否为2005标准，默认返回true
+ */
+ bool detectIconvUse2005Standard();
 protected slots:
  /**
  * Schedules an update of attached views.