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807462b191
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.
169 lines
4.0 KiB
C++
169 lines
4.0 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_PROTOCOL_STINTEGER_H_INCLUDED
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#define RIPPLE_PROTOCOL_STINTEGER_H_INCLUDED
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#include <xrpl/basics/CountedObject.h>
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#include <xrpl/protocol/STBase.h>
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namespace ripple {
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template <typename Integer>
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class STInteger : public STBase, public CountedObject<STInteger<Integer>>
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{
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public:
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using value_type = Integer;
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private:
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Integer value_;
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public:
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explicit STInteger(Integer v);
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STInteger(SField const& n, Integer v = 0);
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STInteger(SerialIter& sit, SField const& name);
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SerializedTypeID
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getSType() const override;
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Json::Value getJson(JsonOptions) const override;
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std::string
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getText() const override;
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void
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add(Serializer& s) const override;
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bool
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isDefault() const override;
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bool
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isEquivalent(STBase const& t) const override;
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STInteger&
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operator=(value_type const& v);
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value_type
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value() const noexcept;
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void
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setValue(Integer v);
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operator Integer() const;
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private:
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STBase*
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copy(std::size_t n, void* buf) const override;
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STBase*
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move(std::size_t n, void* buf) override;
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friend class ripple::detail::STVar;
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};
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using STUInt8 = STInteger<unsigned char>;
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using STUInt16 = STInteger<std::uint16_t>;
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using STUInt32 = STInteger<std::uint32_t>;
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using STUInt64 = STInteger<std::uint64_t>;
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using STInt32 = STInteger<std::int32_t>;
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template <typename Integer>
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inline STInteger<Integer>::STInteger(Integer v) : value_(v)
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{
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}
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template <typename Integer>
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inline STInteger<Integer>::STInteger(SField const& n, Integer v)
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: STBase(n), value_(v)
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{
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}
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template <typename Integer>
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inline STBase*
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STInteger<Integer>::copy(std::size_t n, void* buf) const
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{
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return emplace(n, buf, *this);
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}
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template <typename Integer>
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inline STBase*
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STInteger<Integer>::move(std::size_t n, void* buf)
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{
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return emplace(n, buf, std::move(*this));
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}
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template <typename Integer>
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inline void
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STInteger<Integer>::add(Serializer& s) const
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{
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XRPL_ASSERT(
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getFName().isBinary(), "ripple::STInteger::add : field is binary");
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XRPL_ASSERT(
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getFName().fieldType == getSType(),
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"ripple::STInteger::add : field type match");
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s.addInteger(value_);
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}
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template <typename Integer>
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inline bool
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STInteger<Integer>::isDefault() const
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{
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return value_ == 0;
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}
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template <typename Integer>
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inline bool
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STInteger<Integer>::isEquivalent(STBase const& t) const
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{
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STInteger const* v = dynamic_cast<STInteger const*>(&t);
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return v && (value_ == v->value_);
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}
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template <typename Integer>
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inline STInteger<Integer>&
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STInteger<Integer>::operator=(value_type const& v)
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{
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value_ = v;
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return *this;
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}
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template <typename Integer>
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inline typename STInteger<Integer>::value_type
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STInteger<Integer>::value() const noexcept
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{
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return value_;
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}
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template <typename Integer>
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inline void
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STInteger<Integer>::setValue(Integer v)
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{
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value_ = v;
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}
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template <typename Integer>
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inline STInteger<Integer>::operator Integer() const
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{
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return value_;
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}
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} // namespace ripple
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#endif
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