xahaud/src/ripple/protocol/STArray.h

//------------------------------------------------------------------------------
/*
    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_STARRAY_H_INCLUDED
#define RIPPLE_PROTOCOL_STARRAY_H_INCLUDED

#include <ripple/basics/CountedObject.h>
#include <ripple/protocol/STObject.h>

namespace ripple {

class STArray final
    : public STBase
    , public CountedObject <STArray>
{
private:
    using list_type = std::vector<STObject>;

    enum
    {
        reserveSize = 8
    };

    list_type v_;

public:
    // Read-only iteration
    class Items;

    static char const* getCountedObjectName () { return "STArray"; }

    using size_type = list_type::size_type;
    using iterator = list_type::iterator;
    using const_iterator = list_type::const_iterator;

    STArray();
    STArray (STArray&&);
    STArray (STArray const&) = default;
    STArray (SField const& f, int n);
    STArray (SerialIter& sit, SField const& f);
    explicit STArray (int n);
    explicit STArray (SField const& f);
    STArray& operator= (STArray const&) = default;
    STArray& operator= (STArray&&);

    STBase*
    copy (std::size_t n, void* buf) const override
    {
        return emplace(n, buf, *this);
    }

    STBase*
    move (std::size_t n, void* buf) override
    {
        return emplace(n, buf, std::move(*this));
    }

    STObject& operator[] (std::size_t j)
    {
        return v_[j];
    }

    STObject const& operator[] (std::size_t j) const
    {
        return v_[j];
    }

    STObject& back() { return v_.back(); }

    STObject const& back() const { return v_.back(); }

    template <class... Args>
    void
    emplace_back(Args&&... args)
    {
        v_.emplace_back(std::forward<Args>(args)...);
    }

    void push_back (STObject const& object)
    {
        v_.push_back(object);
    }

    void push_back (STObject&& object)
    {
        v_.push_back(std::move(object));
    }

    iterator begin ()
    {
        return v_.begin ();
    }

    iterator end ()
    {
        return v_.end ();
    }

    const_iterator begin () const
    {
        return v_.begin ();
    }

    const_iterator end () const
    {
        return v_.end ();
    }

    size_type size () const
    {
        return v_.size ();
    }

    bool empty () const
    {
        return v_.empty ();
    }
    void clear ()
    {
        v_.clear ();
    }
    void reserve (std::size_t n)
    {
        v_.reserve (n);
    }
    void swap (STArray & a) noexcept
    {
        v_.swap (a.v_);
    }

    virtual std::string getFullText () const override;
    virtual std::string getText () const override;

    virtual Json::Value getJson (int index) const override;
    virtual void add (Serializer & s) const override;

    void sort (bool (*compare) (const STObject & o1, const STObject & o2));

    bool operator== (const STArray & s) const
    {
        return v_ == s.v_;
    }
    bool operator!= (const STArray & s) const
    {
        return v_ != s.v_;
    }

    virtual SerializedTypeID getSType () const override
    {
        return STI_ARRAY;
    }
    virtual bool isEquivalent (const STBase & t) const override;
    virtual bool isDefault () const override
    {
        return v_.empty ();
    }
};

} // ripple

#endif