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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "type.h"
#include "cursor.h"
namespace vespalib::slime {
class SymbolTable;
struct SymbolLookup;
struct SymbolInserter;
struct ValueFactory;
struct ArrayTraverser;
struct ObjectTraverser;
/**
* Top-level value class with default behavior for all virtual
* functions.
**/
class Value : public Cursor
{
protected:
virtual ~Value() = default;
virtual Cursor &addLeaf(const ValueFactory &input);
virtual Cursor &setLeaf(Symbol symbol, const ValueFactory &input);
virtual Cursor &setLeaf(Memory name, const ValueFactory &input);
public:
bool valid() const override;
Type type() const override;
size_t children() const override;
size_t entries() const override;
size_t fields() const override;
bool asBool() const override;
int64_t asLong() const override;
double asDouble() const override;
Memory asString() const override;
Memory asData() const override;
void traverse(ArrayTraverser &at) const override;
void traverse(ObjectSymbolTraverser &ot) const override;
void traverse(ObjectTraverser &ot) const override;
vespalib::string toString() const override;
Cursor &operator[](size_t idx) const override;
Cursor &operator[](Symbol sym) const override;
Cursor &operator[](Memory name) const override;
Cursor &addNix() override;
Cursor &addBool(bool bit) override;
Cursor &addLong(int64_t l) override;
Cursor &addDouble(double d) override;
Cursor &addString(Memory str) override;
Cursor &addData(Memory data) override;
Cursor &addData(ExternalMemory::UP data) override;
Cursor &addArray(size_t reserved_size) override;
Cursor &addObject() override;
Cursor &setNix(Symbol sym) override;
Cursor &setBool(Symbol sym, bool bit) override;
Cursor &setLong(Symbol sym, int64_t l) override;
Cursor &setDouble(Symbol sym, double d) override;
Cursor &setString(Symbol sym, Memory str) override;
Cursor &setData(Symbol sym, Memory data) override;
Cursor &setData(Symbol sym, ExternalMemory::UP data) override;
Cursor &setArray(Symbol sym, size_t reserved_size) override;
Cursor &setObject(Symbol sym) override;
Cursor &setNix(Memory name) override;
Cursor &setBool(Memory name, bool bit) override;
Cursor &setLong(Memory name, int64_t l) override;
Cursor &setDouble(Memory name, double d) override;
Cursor &setString(Memory name, Memory str) override;
Cursor &setData(Memory name, Memory str) override;
Cursor &setData(Memory name, ExternalMemory::UP data) override;
Cursor &setArray(Memory name, size_t reserved_size) override;
Cursor &setObject(Memory name) override;
Symbol resolve(Memory symbol_name) override;
};
} // namespace vespalib::slime
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