构建List解析框架

TranslateUI/SequenceView.cpp

@@ -37,18 +37,15 @@ void IntDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptionViewIt
 
 void SequenceRulesView::currentRuleRefresh(const QModelIndex& idx)
 {
-	auto new_inst = _rule_sequence.at(idx.row());
-	auto rule_insv = std::dynamic_pointer_cast<AbstractExtractor>(new_inst);
+	auto rule_insv = _rule_sequence.at(idx.row());
 
 	auto offset_index = idx.sibling(idx.row(), 1);
-	if (rule_insv) {
 	auto offset_number = offset_index.data(Qt::DisplayRole).toInt();
 	rule_insv->setOffsetSpan(offset_number);
-	}
 
 	auto count_index = idx.sibling(idx.row(), 3);
-	_sequence_model->setData(offset_index, new_inst->offsetSpan(), Qt::EditRole);
-	_sequence_model->setData(count_index, new_inst->countWithin(), Qt::EditRole);
+	_sequence_model->setData(offset_index, rule_insv->offsetSpan(), Qt::EditRole);
+	_sequence_model->setData(count_index, rule_insv->countWithin(), Qt::EditRole);
 
 	auto param_index = idx.sibling(idx.row(), 4);
 	QJsonObject obj;
@@ -66,6 +63,17 @@ void SequenceRulesView::peersRuleChanged(const QModelIndex& idx)
 	auto new_inst = std::dynamic_pointer_cast<ExtractUnit>(rule_nm->newDefault());
 	_rule_sequence.replace(idx.row(), new_inst);
 
+	if (typeid(*new_inst.get()) == typeid(BytesAsList)) {
+		auto conv = std::dynamic_pointer_cast<BytesAsList>(new_inst);
+		if (!conv->elementRule()) {
+			conv->setElementRule(this->base->defaultRule());
+		}
+
+		if (!conv->sizeProvider()) {
+			conv->setSizeProvider(this->base->defaultSizeProvider());
+		}
+	}
+
 	currentRuleRefresh(idx);
 }
 
@@ -147,6 +155,7 @@ void SequenceRulesView::removeTranslateUnit()
 
 TranslateBasic::TranslateBasic()
 {
+	// extractor type-list
 	std::shared_ptr<ExtractUnit> u_ptr = std::make_shared<BytesAsBitCombine>();
 	_extractor_types[u_ptr->name()] = u_ptr;
 
@@ -168,6 +177,14 @@ TranslateBasic::TranslateBasic()
 
 	u_ptr = std::make_shared<BytesAsDouble>();
 	_extractor_types[u_ptr->name()] = u_ptr;
+
+	u_ptr = std::make_shared<BytesAsList>();
+	_extractor_types[u_ptr->name()] = u_ptr;
+
+	// size-provider type-list
+	auto sz_ptr = std::make_shared<ConstNumberProvider>();
+	this->_default_size_provider = sz_ptr;
+	_size_provider_types[sz_ptr->name()] = sz_ptr;
 }
 
 std::shared_ptr<ExtractUnit> TranslateBasic::defaultRule() const
@@ -175,11 +192,21 @@ std::shared_ptr<ExtractUnit> TranslateBasic::defaultRule() const
 	return _default_translate_rule;
 }
 
+std::shared_ptr<extract::SizeProvider> TranslateBasic::defaultSizeProvider() const
+{
+	return _default_size_provider;
+}
+
 QHash<QString, std::shared_ptr<ExtractUnit>> TranslateBasic::extactors() const
 {
 	return _extractor_types;
 }
 
+QHash<QString, std::shared_ptr<extract::SizeProvider>> TranslateBasic::sizeProviders() const
+{
+	return _size_provider_types;
+}
+
 RuleSelectDelegate::RuleSelectDelegate(std::shared_ptr<TranslateBasic> ins)
 	:_kernel(ins) {
 }
@@ -212,3 +239,23 @@ void RuleSelectDelegate::updateEditorGeometry(QWidget* editor, const QStyleOptio
 {
 	editor->setGeometry(option.rect);
 }
+
+QString ConstNumberProvider::name() const
+{
+	return NAME(ConstNumberProvider);
+}
+
+int32_t ConstNumberProvider::value(const QString& expr) const
+{
+	return expr.toInt();
+}
+
+void ConstNumberProvider::setExpression(const QString& expr)
+{
+	this->_number_value = expr;
+}
+
+QString ConstNumberProvider::expression() const
+{
+	return this->_number_value;
+}

TranslateUI/SequenceView.h

@@ -6,7 +6,8 @@
 #include <QItemDelegate>
 #include <QHash>
 #include <memory>
-class ExtractUnit;
+#include "TranslateBasic.h"
+
 
 /// <summary>
 /// ·­Òë³ÌÐòºËÐÄ
@@ -14,13 +15,17 @@ class ExtractUnit;
 class TranslateBasic {
 private:
 	QHash<QString, std::shared_ptr<ExtractUnit>> _extractor_types;
-	std::shared_ptr<ExtractUnit> _default_translate_rule;
+	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;
 };
 
 
@@ -65,6 +70,17 @@ public:
 	virtual void updateEditorGeometry(QWidget* editor, const QStyleOptionViewItem& option, const QModelIndex& index) const override;
 };
 
+class ConstNumberProvider : public extract::SizeProvider {
+private:
+	QString _number_value;
+
+public:
+	QString name() const override;
+
+	int32_t value(const QString& expr) const override;
+	void setExpression(const QString &expr) override;
+	QString expression() const override;
+};
 
 /// <summary>
 /// ÐòÁл¯¹æÔòÊÓͼ

TranslateUI/extract_basic.cpp

@@ -286,21 +286,9 @@ std::shared_ptr<Serializable> BytesAsUnsigned::newDefault() const
 }
 
 #include <stdexcept>
-QVariant BytesAsList::parse(const QByteArray& bytes) const
-{
-	throw std::logic_error("The method or operation is not implemented.");
-}
-
-std::shared_ptr<Serializable> BytesAsList::newDefault() const
-{
-	throw std::logic_error("The method or operation is not implemented.");
-}
 
 bool BytesAsUnion::setSizeProvider(std::shared_ptr<SizeProvider> ins)
 {
-	if(ins->value() < 1)
-		return false;
-
 	this->_provider_ins = ins;
 	return true;
 }
@@ -314,3 +302,107 @@ 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;
+	return true;
+}
+
+std::shared_ptr<ExtractUnit> BytesAsList::elementRule() const
+{
+	return this->_bind_unit;
+}
+
+bool BytesAsList::setElementRule(std::shared_ptr<ExtractUnit> u)
+{
+	this->_bind_unit = u;
+	return true;
+}
+
+std::shared_ptr<extract::SizeProvider> BytesAsList::sizeProvider() const
+{
+	return this->_bind_size_v;
+}
+
+bool BytesAsList::setSizeProvider(std::shared_ptr<SizeProvider> ins)
+{
+	this->_bind_size_v = ins;
+	return true;
+}
+
+QString BytesAsList::name() const
+{
+	return NAME(BytesAsList);
+}
+
+DataType BytesAsList::outType() const
+{
+	return DataType::LIST_COLLECTION;
+}
+
+int BytesAsList::offsetSpan() const
+{
+	return _bytes_offset;
+}
+
+int BytesAsList::countWithin() const
+{
+	auto expr = this->_bind_size_v->expression();
+	if (this->_bind_size_v->value(expr) < 0) {
+		return 0;
+	}
+
+	return this->_bind_size_v->value(expr) * this->_bind_unit->countWithin();
+}
+
+void BytesAsList::loadFrom(const QJsonObject& obj)
+{
+	INT32_PEAK(_bytes_offset);
+
+	QString bind_provider_expr = "";
+	STRING_SAVE(bind_provider_expr);
+	if (this->_bind_size_v)
+		this->_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();
+	STRING_SAVE(bind_unit_name);
+
+	INT32_SAVE(_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();
+	}
+	STRING_SAVE(bind_size_provider_name);
+	STRING_SAVE(bind_provider_expr);
+}
+
+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();
+
+	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);
+		value_list << value_v;
+	}
+
+	return value_list;
+}
+
+std::shared_ptr<Serializable> BytesAsList::newDefault() const
+{
+	return std::make_shared<BytesAsList>();
+}

TranslateUI/extract_basic.h

@@ -22,7 +22,11 @@ public:
 	/// </summary>
 	/// <returns></returns>
 	virtual DataType outType() const = 0;
-
+	/// <summary>
+	/// 设置偏移字节数量
+	/// </summary>
+	/// <param name="bytes"></param>
+	virtual bool setOffsetSpan(int bytes) = 0;
 	/// <summary>
 	/// 从上一个单元字节偏移字节数量
 	/// </summary>
@@ -51,16 +55,16 @@ namespace extract {
 
 	public:
 		AbstractExtractor(const QString& name, DataType data);
-		/// <summary>
-		/// 设置偏移字节数量
-		/// </summary>
-		/// <param name="bytes"></param>
-		virtual bool setOffsetSpan(int bytes);
 		virtual bool setCountWithin(int bytes);
 
 		// ExtractUnit ===========================
 		QString name() const override;
 		virtual DataType outType() const;
+		/// <summary>
+		/// 设置偏移字节数量
+		/// </summary>
+		/// <param name="bytes"></param>
+		virtual bool setOffsetSpan(int bytes);
 		int offsetSpan() const override;
 		int countWithin() const override;
 
@@ -183,28 +187,41 @@ namespace extract {
 	/// </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 = 0;
+		virtual int32_t value(const QString& expr) const = 0;
+
+		virtual void setExpression(const QString& expr) = 0;
 		virtual QString expression() const = 0;
 	};
-	class BytesAsList : public AbstractExtractor {
+
+	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:
+		bool setOffsetSpan(int value);
 		std::shared_ptr<ExtractUnit> elementRule() const;
 		bool setElementRule(std::shared_ptr<ExtractUnit> u);
-
-		/// <summary>
-		/// 设置尺寸解析器，返回值标志是否接受该设置
-		/// </summary>
-		/// <param name="ins"></param>
-		/// <returns>true-有效，false-无效</returns>
-		virtual bool setSizeProvider(std::shared_ptr<SizeProvider> ins) = 0;
-
+		std::shared_ptr<SizeProvider> sizeProvider() const;
+		bool setSizeProvider(std::shared_ptr<SizeProvider> ins);
 
 	public:
+
+		QString name() const override;
+		DataType outType() const override;
+		int offsetSpan() const override;
+		int countWithin() const override;
+
+		void loadFrom(const QJsonObject& obj) override;
+		void saveTo(QJsonObject& obj) const override;
+
 		QVariant parse(const QByteArray& bytes) const override;
 		std::shared_ptr<Serializable> newDefault() const override;