From 0e68e0c66e62a80136c565f57e70c7d4061cd5cf Mon Sep 17 00:00:00 2001
From: codeboss <2422523675@qq.com>
Date: Sat, 2 Aug 2025 10:04:30 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=BA=E7=81=B5=E6=B4=BB=E6=80=A7=E5=81=9A?=
 =?UTF-8?q?=E6=94=B9=E9=80=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 TranslateUI/SequenceView.cpp  |   4 +-
 TranslateUI/SequenceView.h    |  20 +---
 TranslateUI/TranslateBasic.h  |  22 +++-
 TranslateUI/common.h          |   8 ++
 TranslateUI/convert_basic.cpp |   4 +-
 TranslateUI/convert_basic.h   |   2 +-
 TranslateUI/extract_basic.cpp | 194 ++++++++++++++++++++++------------
 TranslateUI/extract_basic.h   | 115 +++++++++++---------
 8 files changed, 229 insertions(+), 140 deletions(-)

diff --git a/TranslateUI/SequenceView.cpp b/TranslateUI/SequenceView.cpp
index 557e447..14d6b99 100644
--- a/TranslateUI/SequenceView.cpp
+++ b/TranslateUI/SequenceView.cpp
@@ -192,7 +192,7 @@ std::shared_ptr<ExtractUnit> TranslateBasic::defaultRule() const
 	return _default_translate_rule;
 }
 
-std::shared_ptr<extract::SizeProvider> TranslateBasic::defaultSizeProvider() const
+std::shared_ptr<SizeProvider> TranslateBasic::defaultSizeProvider() const
 {
 	return _default_size_provider;
 }
@@ -202,7 +202,7 @@ QHash<QString, std::shared_ptr<ExtractUnit>> TranslateBasic::extactors() const
 	return _extractor_types;
 }
 
-QHash<QString, std::shared_ptr<extract::SizeProvider>> TranslateBasic::sizeProviders() const
+QHash<QString, std::shared_ptr<SizeProvider>> TranslateBasic::sizeProviders() const
 {
 	return _size_provider_types;
 }
diff --git a/TranslateUI/SequenceView.h b/TranslateUI/SequenceView.h
index db7c387..60febe4 100644
--- a/TranslateUI/SequenceView.h
+++ b/TranslateUI/SequenceView.h
@@ -9,24 +9,6 @@
 #include "TranslateBasic.h"
 
 
-/// <summary>
-/// 翻译程序核心
-/// </summary>
-class TranslateBasic {
-private:
-	QHash<QString, std::shared_ptr<ExtractUnit>> _extractor_types;
-	std::shared_ptr<ExtractUnit> _default_translate_rule = nullptr;
-	QHash<QString, std::shared_ptr<extract::SizeProvider>> _size_provider_types;
-	std::shared_ptr<extract::SizeProvider> _default_size_provider = nullptr;
-
-public:
-	TranslateBasic();
-
-	std::shared_ptr<ExtractUnit> defaultRule() const;
-	std::shared_ptr<extract::SizeProvider> defaultSizeProvider() const;
-	QHash<QString, std::shared_ptr<ExtractUnit>> extactors() const;
-	QHash<QString, std::shared_ptr<extract::SizeProvider>> sizeProviders() const;
-};
 
 
 /// <summary>
@@ -70,7 +52,7 @@ public:
 	virtual void updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
 };
 
-class ConstNumberProvider : public extract::SizeProvider {
+class ConstNumberProvider : public SizeProvider {
 private:
 	QString _number_value;
 
diff --git a/TranslateUI/TranslateBasic.h b/TranslateUI/TranslateBasic.h
index 87ea7f8..e5ecc9d 100644
--- a/TranslateUI/TranslateBasic.h
+++ b/TranslateUI/TranslateBasic.h
@@ -1,4 +1,24 @@
 #pragma once
 
 #include "extract_basic.h"
-#include "convert_basic.h"
\ No newline at end of file
+#include "convert_basic.h"
+
+
+/// <summary>
+/// 翻译程序核心
+/// </summary>
+class TranslateBasic {
+private:
+	QHash<QString, std::shared_ptr<ExtractUnit>> _extractor_types;
+	std::shared_ptr<ExtractUnit> _default_translate_rule = nullptr;
+	QHash<QString, std::shared_ptr<SizeProvider>> _size_provider_types;
+	std::shared_ptr<SizeProvider> _default_size_provider = nullptr;
+
+public:
+	TranslateBasic();
+
+	std::shared_ptr<ExtractUnit> defaultRule() const;
+	std::shared_ptr<SizeProvider> defaultSizeProvider() const;
+	QHash<QString, std::shared_ptr<ExtractUnit>> extactors() const;
+	QHash<QString, std::shared_ptr<SizeProvider>> sizeProviders() const;
+};
diff --git a/TranslateUI/common.h b/TranslateUI/common.h
index 95f6f73..7457be2 100644
--- a/TranslateUI/common.h
+++ b/TranslateUI/common.h
@@ -3,6 +3,14 @@
 #include <QJsonObject>
 #include <memory>
 
+#define NAME(u) #u
+#define INT32_SAVE(varx) obj[NAME(varx)] = varx;
+#define INT32_PEAK(varx) varx = obj[NAME(varx)].toInt();
+#define STRLIST_SAVE(list) obj[NAME(list)] = list.join(";");
+#define STRLIST_PEAK(list) list = obj[NAME(list)].toString().split(";");
+#define STRING_PEAK(codec_name) codec_name = obj[NAME(codec_name)].toString();
+#define STRING_SAVE(codec_name) obj[NAME(codec_name)] = codec_name;
+
 /// <summary>
 /// 序列化实体
 /// </summary>
diff --git a/TranslateUI/convert_basic.cpp b/TranslateUI/convert_basic.cpp
index 19e449a..8c4bd45 100644
--- a/TranslateUI/convert_basic.cpp
+++ b/TranslateUI/convert_basic.cpp
@@ -6,12 +6,12 @@ using namespace convert;
 
 
 AbstractValueConvert::AbstractValueConvert(const QString& nm, DataType in, DataType out)
-	: _name_store(nm), _in_type(in), _out_type(out) {
+	: name_store(nm), _in_type(in), _out_type(out) {
 }
 
 QString AbstractValueConvert::name() const
 {
-	return _name_store;
+	return name_store;
 }
 
 DataType AbstractValueConvert::inType() const
diff --git a/TranslateUI/convert_basic.h b/TranslateUI/convert_basic.h
index 1572969..1610870 100644
--- a/TranslateUI/convert_basic.h
+++ b/TranslateUI/convert_basic.h
@@ -18,7 +18,7 @@ public:
 namespace convert {
 	class AbstractValueConvert : public ValueConvert {
 	private:
-		QString _name_store;
+		QString name_store;
 		DataType _in_type, _out_type;
 
 	public:
diff --git a/TranslateUI/extract_basic.cpp b/TranslateUI/extract_basic.cpp
index 35e3f2e..6d0e5bd 100644
--- a/TranslateUI/extract_basic.cpp
+++ b/TranslateUI/extract_basic.cpp
@@ -5,55 +5,58 @@ using namespace extract;
 
 
 AbstractExtractor::AbstractExtractor(const QString& name, DataType data)
-	:_name_store(name), _type_store(data), _byte_offset(0), _byte_count(1) {
+{
+	_abs_data.name_store = name;
+	_abs_data.type_store = data;
 }
 
 bool AbstractExtractor::setOffsetSpan(int bytes)
 {
-	this->_byte_offset = bytes;
+	this->_abs_data.byte_offset = bytes;
 	return true;
 }
 
 bool AbstractExtractor::setCountWithin(int bytes)
 {
-	this->_byte_count = bytes;
+	this->_abs_data.byte_count = bytes;
 	return true;
 }
 
 QString AbstractExtractor::name() const
 {
-	return _name_store;
+	return _abs_data.name_store;
 }
 
 DataType AbstractExtractor::outType() const
 {
-	return _type_store;
+	return _abs_data.type_store;
 }
 
 int AbstractExtractor::offsetSpan() const
 {
-	return _byte_offset;
+	return _abs_data.byte_offset;
 }
 
 int AbstractExtractor::countWithin() const
 {
-	return this->_byte_count;
+	return this->_abs_data.byte_count;
 }
 
 void AbstractExtractor::loadFrom(const QJsonObject& obj)
 {
-	INT32_PEAK(_byte_offset);
-	INT32_PEAK(_byte_count);
+	INT32_PEAK(_abs_data.byte_offset);
+	INT32_PEAK(_abs_data.byte_count);
 }
 
 void AbstractExtractor::saveTo(QJsonObject& obj) const
 {
-	INT32_SAVE(_byte_offset);
-	INT32_SAVE(_byte_count);
+	INT32_SAVE(_abs_data.byte_offset);
+	INT32_SAVE(_abs_data.byte_count);
 }
 
 BytesAsHex::BytesAsHex()
 	: AbstractExtractor(NAME(BytesAsHex), DataType::TextString) {
+	setCountWithin(1);
 }
 
 QVariant BytesAsHex::parse(const QByteArray& bytes) const
@@ -79,7 +82,7 @@ BytesAsBitCombine::BytesAsBitCombine()
 bool BytesAsBitCombine::setSwitchOption(int bit_index, const QString& keyword)
 {
 	if (bit_index >= 0 && bit_index <= this->countWithin() * 8) {
-		_switch_options[bit_index] = keyword;
+		_combines._switch_options[bit_index] = keyword;
 		return true;
 	}
 	return false;
@@ -87,17 +90,17 @@ bool BytesAsBitCombine::setSwitchOption(int bit_index, const QString& keyword)
 
 QHash<int, QString> BytesAsBitCombine::switchOptions() const
 {
-	return _switch_options;
+	return _combines._switch_options;
 }
 
 void BytesAsBitCombine::clearOptions()
 {
-	_switch_options.clear();
+	_combines._switch_options.clear();
 }
 
 QVariant BytesAsBitCombine::parse(const QByteArray& bytes) const
 {
-	auto keys = _switch_options.keys();
+	auto keys = _combines._switch_options.keys();
 	std::sort(keys.begin(), keys.end());
 
 	QString result;
@@ -106,9 +109,9 @@ QVariant BytesAsBitCombine::parse(const QByteArray& bytes) const
 		auto bit_idx = idx % 8;
 		auto char_v = bytes.at(byte_idx);
 		if (char_v & (0x1u << bit_idx))
-			result += QString("%1<%2>;").arg(_switch_options[idx], "Y");
+			result += QString("%1<%2>;").arg(_combines._switch_options[idx], "Y");
 		else
-			result += QString("%1<%2>;").arg(_switch_options[idx], "N");
+			result += QString("%1<%2>;").arg(_combines._switch_options[idx], "N");
 	}
 	return result;
 }
@@ -119,10 +122,10 @@ void BytesAsBitCombine::loadFrom(const QJsonObject& obj)
 
 	QStringList value_list;
 	STRLIST_PEAK(value_list);
-	_switch_options.clear();
+	_combines._switch_options.clear();
 	for (auto pair : value_list) {
 		auto items = pair.split("=");
-		_switch_options[items.first().toInt()] = items.last();
+		_combines._switch_options[items.first().toInt()] = items.last();
 	}
 }
 
@@ -131,8 +134,9 @@ void BytesAsBitCombine::saveTo(QJsonObject& obj) const
 	AbstractExtractor::saveTo(obj);
 
 	QStringList value_list;
-	for (auto key : _switch_options.keys()) {
-		auto pair_str = QString("%1=%2").arg(key).arg(_switch_options[key]);
+	for (auto key : _combines._switch_options.keys()) {
+		auto pair_str = QString("%1=%2").arg(key)
+			.arg(_combines._switch_options[key]);
 		value_list << pair_str;
 	}
 	STRLIST_SAVE(value_list);
@@ -168,7 +172,7 @@ QVariant BytesAsInteger::parse(const QByteArray& bytes) const
 		xbuffer.append(8 - bytes.size(), 0);
 	}
 	else {
-		xbuffer.append(8 - bytes.size(), 0xff);
+		xbuffer.append(8 - bytes.size(), static_cast<char>(0xff));
 	}
 
 	unsigned long long value = 0;
@@ -185,22 +189,22 @@ QVariant BytesAsInteger::parse(const QByteArray& bytes) const
 
 BytesAsString::BytesAsString()
 	:AbstractExtractor(NAME(BytesAsString), DataType::TextString) {
-	_conv_with = QTextCodec::codecForName("GBK");
+	_strings._conv_with = QTextCodec::codecForName("GBK");
 }
 
 void BytesAsString::setStrCodec(QTextCodec* ins)
 {
-	this->_conv_with = ins;
+	this->_strings._conv_with = ins;
 }
 
 QString BytesAsString::codecName() const
 {
-	return this->_conv_with->name();
+	return this->_strings._conv_with->name();
 }
 
 QVariant BytesAsString::parse(const QByteArray& bytes) const
 {
-	return _conv_with->toUnicode(bytes);
+	return _strings._conv_with->toUnicode(bytes);
 }
 
 void BytesAsString::loadFrom(const QJsonObject& obj)
@@ -209,7 +213,7 @@ void BytesAsString::loadFrom(const QJsonObject& obj)
 
 	QString codec_name;
 	STRING_PEAK(codec_name);
-	this->_conv_with = QTextCodec::codecForName(codec_name.toLatin1());
+	this->_strings._conv_with = QTextCodec::codecForName(codec_name.toLatin1());
 }
 
 void BytesAsString::saveTo(QJsonObject& obj) const
@@ -287,47 +291,31 @@ std::shared_ptr<Serializable> BytesAsUnsigned::newDefault() const
 
 #include <stdexcept>
 
-bool BytesAsUnion::setSizeProvider(std::shared_ptr<SizeProvider> ins)
-{
-	this->_provider_ins = ins;
-	return true;
-}
-
-QVariant BytesAsUnion::parse(const QByteArray& bytes) const
-{
-	throw std::logic_error("The method or operation is not implemented.");
-}
-
-std::shared_ptr<Serializable> BytesAsUnion::newDefault() const
-{
-	throw std::logic_error("The method or operation is not implemented.");
-}
-
 bool BytesAsList::setOffsetSpan(int value)
 {
-	this->_bytes_offset = value;
+	this->_list._bytes_offset = value;
 	return true;
 }
 
 std::shared_ptr<ExtractUnit> BytesAsList::elementRule() const
 {
-	return this->_bind_unit;
+	return this->_list._bind_unit;
 }
 
 bool BytesAsList::setElementRule(std::shared_ptr<ExtractUnit> u)
 {
-	this->_bind_unit = u;
+	this->_list._bind_unit = u;
 	return true;
 }
 
-std::shared_ptr<extract::SizeProvider> BytesAsList::sizeProvider() const
+std::shared_ptr<SizeProvider> BytesAsList::sizeProvider() const
 {
-	return this->_bind_size_v;
+	return this->_list._bind_size_v;
 }
 
 bool BytesAsList::setSizeProvider(std::shared_ptr<SizeProvider> ins)
 {
-	this->_bind_size_v = ins;
+	this->_list._bind_size_v = ins;
 	return true;
 }
 
@@ -343,43 +331,44 @@ DataType BytesAsList::outType() const
 
 int BytesAsList::offsetSpan() const
 {
-	return _bytes_offset;
+	return _list._bytes_offset;
 }
 
 int BytesAsList::countWithin() const
 {
-	auto expr = this->_bind_size_v->expression();
-	if (this->_bind_size_v->value(expr) < 0) {
+	auto expr = this->_list._bind_size_v->expression();
+	if (this->_list._bind_size_v->value(expr) < 0) {
 		return 0;
 	}
 
-	return this->_bind_size_v->value(expr) * this->_bind_unit->countWithin();
+	return this->_list._bind_size_v->value(expr)
+		* this->_list._bind_unit->countWithin();
 }
 
 void BytesAsList::loadFrom(const QJsonObject& obj)
 {
-	INT32_PEAK(_bytes_offset);
+	INT32_PEAK(_list._bytes_offset);
 
 	QString bind_provider_expr = "";
 	STRING_SAVE(bind_provider_expr);
-	if (this->_bind_size_v)
-		this->_bind_size_v->setExpression(bind_provider_expr);
+	if (this->_list._bind_size_v)
+		this->_list._bind_size_v->setExpression(bind_provider_expr);
 }
 
 void BytesAsList::saveTo(QJsonObject& obj) const
 {
 	QString bind_unit_name = "";
-	if (this->_bind_unit)
-		bind_unit_name = this->_bind_unit->name();
+	if (this->_list._bind_unit)
+		bind_unit_name = this->_list._bind_unit->name();
 	STRING_SAVE(bind_unit_name);
 
-	INT32_SAVE(_bytes_offset);
+	INT32_SAVE(_list._bytes_offset);
 
 	QString bind_size_provider_name = "";
 	QString bind_provider_expr = "";
-	if (this->_bind_size_v) {
-		bind_provider_expr = this->_bind_size_v->expression();
-		bind_size_provider_name = this->_bind_size_v->name();
+	if (this->_list._bind_size_v) {
+		bind_provider_expr = this->_list._bind_size_v->expression();
+		bind_size_provider_name = this->_list._bind_size_v->name();
 	}
 	STRING_SAVE(bind_size_provider_name);
 	STRING_SAVE(bind_provider_expr);
@@ -389,13 +378,13 @@ QVariant BytesAsList::parse(const QByteArray& bytes) const
 {
 	QVariantList value_list;
 
-	auto expr = this->_bind_size_v->expression();
-	auto size_value = this->_bind_size_v->value(expr);
-	auto unit_size = this->_bind_unit->countWithin();
+	auto expr = this->_list._bind_size_v->expression();
+	auto size_value = this->_list._bind_size_v->value(expr);
+	auto unit_size = this->_list._bind_unit->countWithin();
 
 	for (auto idx = 0; idx < size_value; ++idx) {
 		auto secn = bytes.mid(unit_size * idx, unit_size);
-		auto value_v = this->_bind_unit->parse(secn);
+		auto value_v = this->_list._bind_unit->parse(secn);
 		value_list << value_v;
 	}
 
@@ -406,3 +395,76 @@ std::shared_ptr<Serializable> BytesAsList::newDefault() const
 {
 	return std::make_shared<BytesAsList>();
 }
+
+QString BytesAsUnion::name() const
+{
+	return NAME(BytesAsUnion);
+}
+
+DataType BytesAsUnion::outType() const
+{
+	return DataType::UNION_COMBINATE;
+}
+
+int BytesAsUnion::offsetSpan() const
+{
+	return _union.byte_offset;
+}
+
+int BytesAsUnion::countWithin() const
+{
+	return _union.byte_count;
+}
+
+QVariant BytesAsUnion::parse(const QByteArray& bytes) const
+{
+	for (auto u : this->elementRules())
+		if (u->checkpass(bytes))
+			return u->bindRule()->parse(bytes);
+
+	return QVariant();
+}
+
+void BytesAsUnion::loadFrom(const QJsonObject& obj)
+{
+	throw std::logic_error("The method or operation is not implemented.");
+}
+
+void BytesAsUnion::saveTo(QJsonObject& obj) const
+{
+	INT32_SAVE(_union.byte_count);
+	INT32_SAVE(_union.byte_offset);
+}
+
+std::shared_ptr<Serializable> BytesAsUnion::newDefault() const
+{
+	return std::make_shared<BytesAsUnion>();
+}
+
+QList<std::shared_ptr<RuleMatch>> BytesAsUnion::elementRules() const
+{
+	return _union._rule_list;
+}
+
+bool BytesAsUnion::setElementRule(std::shared_ptr<RuleMatch> u)
+{
+	this->_union._rule_list << u;
+	return true;
+}
+
+void BytesAsUnion::clearRules()
+{
+	this->_union._rule_list.clear();
+}
+
+bool BytesAsUnion::setCountWithin(int bytes)
+{
+	this->_union.byte_count = bytes;
+	return true;
+}
+
+bool BytesAsUnion::setOffsetSpan(int value)
+{
+	this->_union.byte_offset = value;
+	return true;
+}
diff --git a/TranslateUI/extract_basic.h b/TranslateUI/extract_basic.h
index 3554415..f9f7e97 100644
--- a/TranslateUI/extract_basic.h
+++ b/TranslateUI/extract_basic.h
@@ -3,7 +3,6 @@
 #include "common.h"
 #include <QHash>
 
-
 /// <summary>
 /// 翻译单元抽象接口
 /// </summary>
@@ -46,14 +45,42 @@ public:
 	virtual QVariant parse(const QByteArray& bytes) const = 0;
 };
 
+/// <summary>
+/// 尺寸解析器
+/// </summary>
+class SizeProvider {
+public:
+	virtual QString name() const = 0;
+	/// <summary>
+	/// 获取值，如果该值无法预先计算得知，返回-1
+	/// </summary>
+	/// <returns>尺寸值</returns>
+	virtual int32_t value(const QString& expr) const = 0;
+
+	virtual void setExpression(const QString& expr) = 0;
+	virtual QString expression() const = 0;
+};
+
+/// <summary>
+/// 规则匹配器
+/// </summary>
+class RuleMatch {
+public:
+	virtual QString name() const = 0;
+	virtual std::shared_ptr<ExtractUnit> bindRule() const = 0;
+	virtual bool checkpass(const QByteArray& buffer) const = 0;
+};
+
+
 namespace extract {
 	class AbstractExtractor : public ExtractUnit {
-	private:
-		QString _name_store;
-		DataType _type_store;
-		int _byte_offset, _byte_count;
-
 	public:
+		struct __Private {
+			QString name_store = "";
+			DataType type_store = DataType::Integer;
+			int byte_offset = 0, byte_count = 1;
+		} _abs_data;
+
 		AbstractExtractor(const QString& name, DataType data);
 		virtual bool setCountWithin(int bytes);
 
@@ -73,14 +100,6 @@ namespace extract {
 		void saveTo(QJsonObject& obj) const override;
 	};
 
-#define NAME(u) #u
-#define INT32_SAVE(varx) obj[NAME(varx)] = varx;
-#define INT32_PEAK(varx) varx = obj[NAME(varx)].toInt();
-#define STRLIST_SAVE(list) obj[NAME(list)] = list.join(";");
-#define STRLIST_PEAK(list) list = obj[NAME(list)].toString().split(";");
-#define STRING_PEAK(codec_name) codec_name = obj[NAME(codec_name)].toString();
-#define STRING_SAVE(codec_name) obj[NAME(codec_name)] = codec_name;
-
 	/// <summary>
 	/// 转换源数值未16进制数值，默认分割方式
 	/// </summary>
@@ -96,10 +115,11 @@ namespace extract {
 	/// 转换源数值为位联合
 	/// </summary>
 	class BytesAsBitCombine : public AbstractExtractor {
-	private:
-		QHash<int, QString> _switch_options;
-
 	public:
+		struct __Private {
+			QHash<int, QString> _switch_options;
+		} _combines;
+
 		BytesAsBitCombine();
 
 		bool setSwitchOption(int bit_index, const QString& keyword);
@@ -129,6 +149,7 @@ namespace extract {
 		// Serializable ==============================
 		std::shared_ptr<Serializable> newDefault() const override;
 	};
+
 	/// <summary>
 	/// 转换源数据为整形
 	/// </summary>
@@ -148,8 +169,10 @@ namespace extract {
 	/// 转换源数据为字符串
 	/// </summary>
 	class BytesAsString : public AbstractExtractor {
-	private:
-		QTextCodec* _conv_with = nullptr;
+	public:
+		struct __Private {
+			QTextCodec* _conv_with = nullptr;
+		} _strings;
 
 	public:
 		BytesAsString();
@@ -182,28 +205,14 @@ namespace extract {
 		std::shared_ptr<Serializable> newDefault() const override;
 	};
 
-	/// <summary>
-	/// 尺寸解析器
-	/// </summary>
-	class SizeProvider {
-	public:
-		virtual QString name() const = 0;
-		/// <summary>
-		/// 获取值，如果该值无法预先计算得知，返回-1
-		/// </summary>
-		/// <returns>尺寸值</returns>
-		virtual int32_t value(const QString& expr) const = 0;
-
-		virtual void setExpression(const QString& expr) = 0;
-		virtual QString expression() const = 0;
-	};
 
 	class BytesAsList : public ExtractUnit {
-	private:
-		std::shared_ptr<ExtractUnit> _bind_unit = nullptr;
-		int _bytes_offset = 0;
-
-		std::shared_ptr<SizeProvider> _bind_size_v = nullptr;
+	public:
+		struct __Private {
+			std::shared_ptr<ExtractUnit> _bind_unit = nullptr;
+			int _bytes_offset = 0;
+			std::shared_ptr<SizeProvider> _bind_size_v = nullptr;
+		} _list;
 
 	public:
 		bool setOffsetSpan(int value);
@@ -213,7 +222,6 @@ namespace extract {
 		bool setSizeProvider(std::shared_ptr<SizeProvider> ins);
 
 	public:
-
 		QString name() const override;
 		DataType outType() const override;
 		int offsetSpan() const override;
@@ -227,22 +235,31 @@ namespace extract {
 
 	};
 
-	class RuleMatch {
+	class BytesAsUnion : public ExtractUnit {
 	public:
-		virtual std::shared_ptr<ExtractUnit> bindRule() const = 0;
-		virtual bool checkpass() const = 0;
-	};
-	class BytesAsUnion : public AbstractExtractor {
-	protected:
-		std::shared_ptr<SizeProvider> _provider_ins = nullptr;
+		struct __Private {
+			int byte_offset, byte_count;
+			QList<std::shared_ptr<RuleMatch>> _rule_list;
+		} _union;
 
 	public:
-		bool setSizeProvider(std::shared_ptr<SizeProvider> ins);
+		bool setCountWithin(int bytes);
 
+		void clearRules();
+		QList<std::shared_ptr<RuleMatch>> elementRules() const;
+		bool setElementRule(std::shared_ptr<RuleMatch> u);
+
+	public:
+		QString name() const override;
+		DataType outType() const override;
+		bool setOffsetSpan(int value);
+		int offsetSpan() const override;
+		int countWithin() const override;
 
 		QVariant parse(const QByteArray& bytes) const override;
+		void loadFrom(const QJsonObject& obj) override;
 
-
+		void saveTo(QJsonObject& obj) const override;
 		std::shared_ptr<Serializable> newDefault() const override;
 
 	};