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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 "singleresultnode.h"
namespace search::expression {
class StringResultNode : public SingleResultNode
{
public:
DECLARE_EXPRESSIONNODE(StringResultNode);
DECLARE_NBO_SERIALIZE;
void visitMembers(vespalib::ObjectVisitor &visitor) const override;
StringResultNode(const char * v="") noexcept : _value(v) { }
StringResultNode(vespalib::stringref v) : _value(v) { }
size_t hash() const override;
int onCmp(const Identifiable & b) const override;
void set(const ResultNode & rhs) override;
StringResultNode & append(const ResultNode & rhs);
StringResultNode & clear() { _value.clear(); return *this; }
const vespalib::string & get() const { return _value; }
void set(vespalib::stringref value) { _value = value; }
void min(const ResultNode & b) override;
void max(const ResultNode & b) override;
void add(const ResultNode & b) override;
void negate() override;
const BucketResultNode& getNullBucket() const override;
private:
int cmpMem(const void * a, const void *b) const override {
return static_cast<const vespalib::string *>(a)->compare(*static_cast<const vespalib::string *>(b));
}
void create(void * buf) const override {
new (buf) vespalib::string();
}
void destroy(void * buf) const override {
using string = vespalib::string;
static_cast<string *>(buf)->string::~string();
}
void decode(const void * buf) override {
_value = *static_cast<const vespalib::string *>(buf);
}
void encode(void * buf) const override {
*static_cast<vespalib::string *>(buf) = _value;
}
void swap(void * buf) override {
std::swap(*static_cast<vespalib::string *>(buf), _value);
}
size_t hash(const void * buf) const override;
size_t onGetRawByteSize() const override { return sizeof(_value); }
void setMin() override;
void setMax() override;
int64_t onGetInteger(size_t index) const override;
double onGetFloat(size_t index) const override;
ConstBufferRef onGetString(size_t index, BufferRef buf) const override;
vespalib::string _value;
};
}
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