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rippled/include/xrpl/protocol/STInteger.h
Mayukha Vadari 807462b191 Add STInt32 as a new SType (#5788)
This change adds `STInt32` as a new `SType` under the `STInteger` umbrella, with `SType` value `12`. This is the first and only `STInteger` type that supports negative values.
2025-09-26 20:13:15 +00:00

169 lines
4.0 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#ifndef RIPPLE_PROTOCOL_STINTEGER_H_INCLUDED
#define RIPPLE_PROTOCOL_STINTEGER_H_INCLUDED
#include <xrpl/basics/CountedObject.h>
#include <xrpl/protocol/STBase.h>
namespace ripple {
template <typename Integer>
class STInteger : public STBase, public CountedObject<STInteger<Integer>>
{
public:
using value_type = Integer;
private:
Integer value_;
public:
explicit STInteger(Integer v);
STInteger(SField const& n, Integer v = 0);
STInteger(SerialIter& sit, SField const& name);
SerializedTypeID
getSType() const override;
Json::Value getJson(JsonOptions) const override;
std::string
getText() const override;
void
add(Serializer& s) const override;
bool
isDefault() const override;
bool
isEquivalent(STBase const& t) const override;
STInteger&
operator=(value_type const& v);
value_type
value() const noexcept;
void
setValue(Integer v);
operator Integer() const;
private:
STBase*
copy(std::size_t n, void* buf) const override;
STBase*
move(std::size_t n, void* buf) override;
friend class ripple::detail::STVar;
};
using STUInt8 = STInteger<unsigned char>;
using STUInt16 = STInteger<std::uint16_t>;
using STUInt32 = STInteger<std::uint32_t>;
using STUInt64 = STInteger<std::uint64_t>;
using STInt32 = STInteger<std::int32_t>;
template <typename Integer>
inline STInteger<Integer>::STInteger(Integer v) : value_(v)
{
}
template <typename Integer>
inline STInteger<Integer>::STInteger(SField const& n, Integer v)
: STBase(n), value_(v)
{
}
template <typename Integer>
inline STBase*
STInteger<Integer>::copy(std::size_t n, void* buf) const
{
return emplace(n, buf, *this);
}
template <typename Integer>
inline STBase*
STInteger<Integer>::move(std::size_t n, void* buf)
{
return emplace(n, buf, std::move(*this));
}
template <typename Integer>
inline void
STInteger<Integer>::add(Serializer& s) const
{
XRPL_ASSERT(
getFName().isBinary(), "ripple::STInteger::add : field is binary");
XRPL_ASSERT(
getFName().fieldType == getSType(),
"ripple::STInteger::add : field type match");
s.addInteger(value_);
}
template <typename Integer>
inline bool
STInteger<Integer>::isDefault() const
{
return value_ == 0;
}
template <typename Integer>
inline bool
STInteger<Integer>::isEquivalent(STBase const& t) const
{
STInteger const* v = dynamic_cast<STInteger const*>(&t);
return v && (value_ == v->value_);
}
template <typename Integer>
inline STInteger<Integer>&
STInteger<Integer>::operator=(value_type const& v)
{
value_ = v;
return *this;
}
template <typename Integer>
inline typename STInteger<Integer>::value_type
STInteger<Integer>::value() const noexcept
{
return value_;
}
template <typename Integer>
inline void
STInteger<Integer>::setValue(Integer v)
{
value_ = v;
}
template <typename Integer>
inline STInteger<Integer>::operator Integer() const
{
return value_;
}
} // namespace ripple
#endif