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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/document/select/node.h>
#include <vespa/document/select/valuenode.h>
#include <vespa/document/select/cloningvisitor.h>
#include <vespa/document/select/operator.h>
#include <vespa/document/select/resultset.h>
namespace search { class IAttributeManager; }
namespace document { class DocumentTypeRepo; }
namespace proton {
class SelectPrunerBase
{
protected:
const vespalib::string &_docType;
const search::IAttributeManager *_amgr;
const document::Document &_emptyDoc;
const document::DocumentTypeRepo &_repo;
bool _hasFields;
bool _hasDocuments;
public:
SelectPrunerBase(const vespalib::string &docType,
const search::IAttributeManager *amgr,
const document::Document &emptyDoc,
const document::DocumentTypeRepo &repo,
bool hasFields,
bool hasDocuments);
SelectPrunerBase(const SelectPrunerBase &rhs);
};
class SelectPruner : public document::select::CloningVisitor,
public SelectPrunerBase
{
public:
private:
bool _inverted;
bool _wantInverted;
using NodeUP = document::select::Node::UP;
using ValueNodeUP = document::select::ValueNode::UP;
uint32_t _attrFieldNodes;
public:
SelectPruner(const vespalib::string &docType,
const search::IAttributeManager *amgr,
const document::Document &emptyDoc,
const document::DocumentTypeRepo &repo,
bool hasFields,
bool hasDocuments);
SelectPruner(const SelectPruner *rhs);
virtual ~SelectPruner();
uint32_t getFieldNodes() const { return _fieldNodes; }
uint32_t getAttrFieldNodes() const { return _attrFieldNodes; }
const document::select::ResultSet & getResultSet() const { return _resultSet; }
bool isFalse() const;
bool isTrue() const;
bool isInvalid() const;
bool isConst() const;
void trace(std::ostream &t);
void process(const document::select::Node &node);
private:
void visitAndBranch(const document::select::And &expr) override;
void visitComparison(const document::select::Compare &expr) override;
void visitDocumentType(const document::select::DocType &expr) override;
void visitNotBranch(const document::select::Not &expr) override;
void visitOrBranch(const document::select::Or &expr) override;
void visitArithmeticValueNode(const document::select::ArithmeticValueNode &expr) override;
void visitFunctionValueNode(const document::select::FunctionValueNode &expr) override;
void visitIdValueNode(const document::select::IdValueNode &expr) override;
void visitFieldValueNode(const document::select::FieldValueNode &expr) override;
void invertNode();
const document::select::Operator &getOperator(const document::select::Operator &op);
void addNodeCount(const SelectPruner &rhs);
void setInvalidVal();
void setInvalidConst();
void setTernaryConst(bool val);
void set_null_value_node();
void resolveTernaryConst(bool wantInverted);
bool isInvalidVal() const;
bool isNullVal() const;
void swap(SelectPruner &rhs);
};
} // namespace proton
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