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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 "symbol.h"
#include <vespa/vespalib/data/memory.h>
namespace vespalib::slime {
struct ArrayTraverser;
struct ObjectSymbolTraverser;
struct ObjectTraverser;
struct Inspector {
virtual bool valid() const = 0;
virtual Type type() const = 0;
virtual size_t children() const = 0;
virtual size_t entries() const = 0;
virtual size_t fields() const = 0;
virtual bool asBool() const = 0;
virtual int64_t asLong() const = 0;
virtual double asDouble() const = 0;
virtual Memory asString() const = 0;
virtual Memory asData() const = 0;
virtual void traverse(ArrayTraverser &at) const = 0;
virtual void traverse(ObjectSymbolTraverser &ot) const = 0;
virtual void traverse(ObjectTraverser &ot) const = 0;
virtual vespalib::string toString() const = 0;
virtual Inspector &operator[](size_t idx) const = 0;
virtual Inspector &operator[](Symbol sym) const = 0;
virtual Inspector &operator[](Memory name) const = 0;
virtual ~Inspector() {}
};
bool operator == (const Inspector & a, const Inspector & b);
std::ostream & operator << (std::ostream & os, const Inspector & inspector);
} // namespace vespalib::slime
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