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construct/include/ircd/json/vector.h

69 lines
1.9 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// 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 is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_JSON_VECTOR_H
namespace ircd::json
{
struct vector;
bool empty(const json::vector &);
size_t size(const json::vector &);
bool operator!(const json::vector &);
}
/// Interface for non-standard, non-delimited concatenations of objects
///
/// This class parses a "vector of objects" with a similar strategy and
/// interface to that of json::array etc. The elements of the vector are
/// JSON objects delimited only by their structure. This is primarily for
/// test vectors and internal use and should not be used in public facing
/// code.
///
/// As with json::array, the same stateless forward-iteration notice applies
/// here. This object will not perform well for random access.
///
struct ircd::json::vector
:string_view
{
struct const_iterator;
using value_type = const object;
using pointer = value_type *;
using reference = value_type &;
using iterator = const_iterator;
using size_type = size_t;
using difference_type = ptrdiff_t;
const_iterator end() const;
const_iterator begin() const;
const_iterator find(size_t i) const;
value_type at(const size_t &i) const;
value_type operator[](const size_t &i) const;
bool empty() const;
operator bool() const;
size_t count() const;
size_t size() const;
using string_view::string_view;
};
#include "vector_iterator.h"
inline ircd::json::vector::const_iterator
ircd::json::vector::end()
const
{
return { string_view::end(), string_view::end() };
}