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/*
This file is a part of KMC software distributed under GNU GPL 3 licence.
The homepage of the KMC project is http://sun.aei.polsl.pl/kmc
Authors: Marek Kokot
Version: 3.2.4
Date : 2024-02-09
*/
#ifndef _EXPRESSION_NODE_H
#define _EXPRESSION_NODE_H
#include "defs.h"
#include "operations.h"
#include <iostream>
#include <string>
#include <sstream>
#include <memory>
#include "db_reader_factory.h"
//************************************************************************************************************
// CExpressionNode - Base abstract class representing expression node. In first stage of algorithm from
// user input there is created binary tree. Node type represents operation. This tree is only for generating
// another tree (check out CInput and CBundle)
//************************************************************************************************************
template<unsigned SIZE> class CExpressionNode
{
public:
CExpressionNode() :left(nullptr), right(nullptr)
{
}
CExpressionNode* GetLeftChild() const
{
return left;
}
CExpressionNode* GetRightChild() const
{
return right;
}
virtual CBundle<SIZE>* GetExecutionRoot() = 0;
void AddLeftChild(CExpressionNode* child)
{
#ifdef ENABLE_DEBUG
if (left)
{
std::cout << "This child node already exists\n";
exit(1);
}
#endif
left = child;
}
void AddRightChild(CExpressionNode* child)
{
#ifdef ENABLE_DEBUG
if (right)
{
std::cout << "This child node already exists\n";
exit(1);
}
#endif
right = child;
}
#ifdef ENABLE_DEBUG
virtual void Info() = 0;
void Display(int adient = 0)
{
if (right)
right->Display(adient + 5);
for (int i = 0; i < adient; ++i)
std::cout << " ";
Info();
std::cout << "\n";
if (left)
left->Display(adient + 5);
}
#endif
virtual ~CExpressionNode()
{
delete left;
delete right;
}
protected:
CExpressionNode* left, *right;
};
template<unsigned SIZE> class COperNode : public CExpressionNode<SIZE>
{
protected:
CounterOpType counter_op_type;
public:
COperNode(CounterOpType counter_op_type) :counter_op_type(counter_op_type)
{
}
void SetCounterOpType(CounterOpType _counter_op_type)
{
this->counter_op_type = _counter_op_type;
}
};
//************************************************************************************************************
// CUnionNode - represents node for union operation
//************************************************************************************************************
template<unsigned SIZE> class CUnionNode : public COperNode<SIZE>
{
public:
CUnionNode():COperNode<SIZE>(CounterOpType::SUM)
{
}
CBundle<SIZE>* GetExecutionRoot() override
{
return new CBundle<SIZE>(new CUnion<SIZE>(this->left->GetExecutionRoot(), this->right->GetExecutionRoot(), this->counter_op_type));
}
#ifdef ENABLE_DEBUG
void Info() override
{
std::cout << "+";
}
#endif
};
//************************************************************************************************************
// CKmersSubtractionNode - represents node for subtraction of k-mers (if k-mer exists in both input,
// it is absent in result) operation
//************************************************************************************************************
template<unsigned SIZE> class CKmersSubtractionNode : public COperNode<SIZE>
{
public:
CKmersSubtractionNode() :COperNode<SIZE>(CounterOpType::NONE)
{
}
CBundle<SIZE>* GetExecutionRoot() override
{
return new CBundle<SIZE>(new CKmersSubtract<SIZE>(this->left->GetExecutionRoot(), this->right->GetExecutionRoot()));
}
#ifdef ENABLE_DEBUG
void Info() override
{
std::cout << "-";
}
#endif
};
template<unsigned SIZE> class CCountersSubtractionNode : public COperNode<SIZE>
{
public:
CCountersSubtractionNode():
COperNode<SIZE>(CounterOpType::DIFF)
{
}
CBundle<SIZE>* GetExecutionRoot() override
{
return new CBundle<SIZE>(new CCountersSubtract<SIZE>(this->left->GetExecutionRoot(), this->right->GetExecutionRoot(), this->counter_op_type));
}
#ifdef ENABLE_DEBUG
void Info() override
{
std::cout << "~";
}
#endif
};
//************************************************************************************************************
// CIntersectionNode - represents node for intersection operation
//************************************************************************************************************
template<unsigned SIZE> class CIntersectionNode : public COperNode<SIZE>
{
public:
CIntersectionNode():
COperNode<SIZE>(CounterOpType::MIN)
{
}
CBundle<SIZE>* GetExecutionRoot() override
{
return new CBundle<SIZE>(new CIntersection<SIZE>(this->left->GetExecutionRoot(), this->right->GetExecutionRoot(), this->counter_op_type));
}
#ifdef ENABLE_DEBUG
void Info() override
{
std::cout << "*";
}
#endif
};
//************************************************************************************************************
// CInputNode - represents node (leaf) - KMC1 or KMC2 database
//************************************************************************************************************
template<unsigned SIZE> class CInputNode : public CExpressionNode<SIZE>
{
uint32 desc_pos;
public:
CInputNode(uint32 desc_pos) : desc_pos(desc_pos)
{
}
CBundle<SIZE>* GetExecutionRoot() override
{
CConfig& config = CConfig::GetInstance();
CInput<SIZE>* db = db_reader_factory<SIZE>(config.headers[desc_pos], config.input_desc[desc_pos], KmerDBOpenMode::sorted);
return new CBundle<SIZE>(db);
}
#ifdef ENABLE_DEBUG
void Info() override
{
std::cout << "In: " << CConfig::GetInstance().input_desc[desc_pos].file_src;
}
#endif
};
#endif
// ***** EOF
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