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// Copyright 2025-2026, Amlal El Mahrouss (amlal@nekernel.org)
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// Official repository: https://github.com/ocl-foss-org/tproc
#ifndef OCL_TPROC_ROPE_FWD_HPP
#define OCL_TPROC_ROPE_FWD_HPP
#include <ocl/tproc/detail/config.hpp>
/// \file rope_fwd.hpp
/// \brief Basic forward definitions of the `rope` type.
namespace ocl::tproc
{
/// \brief This class implements a rope type for any **CharT** type.
/// \note Specializations are available as `crope` and `wrope`.
/// \author Amlal El Mahrouss
template <class CharT, class Traits = std::char_traits<CharT>, class Allocator = std::allocator<CharT>>
class basic_rope final
{
public:
using traits_type = Traits;
using value_type = CharT;
using char_type = value_type;
using allocator_type = Allocator;
using size_type = std::allocator_traits<Allocator>::size_type;
using reference = CharT&;
using const_reference = const CharT&;
using pointer = std::allocator_traits<Allocator>::pointer;
using const_pointer = const std::allocator_traits<Allocator>::pointer;
using rope_ptr = basic_rope<CharT>*;
rope_ptr rbegin();
rope_ptr rend();
rope_ptr begin();
rope_ptr end();
pointer operator*() const;
rope_ptr operator--();
rope_ptr operator--(int);
rope_ptr operator++();
rope_ptr operator++(int);
const rope_ptr cbegin() const;
const rope_ptr cend() const;
rope_ptr concat(rope_ptr right);
basic_rope<CharT, Traits, Allocator>& substr(size_type pos, const size_type n = 0);
size_type at(const boost::core::basic_string_view<CharT>& needle);
bool starts_with(const basic_rope<CharT>&);
bool ends_with(const basic_rope<CharT>&);
bool starts_with(const boost::core::basic_string_view<CharT>&);
bool ends_with(const boost::core::basic_string_view<CharT>&);
size_type size() const;
bool empty() const;
rope_ptr insert(size_type pos,
const boost::core::basic_string_view<CharT>&,
rope_ptr) const;
std::basic_string<value_type> to_string();
std::basic_string<value_type> to_string() const;
public:
basic_rope(const boost::core::basic_string_view<CharT>& in = {});
~basic_rope();
basic_rope& operator=(const basic_rope& rope) = delete;
basic_rope(const basic_rope& rope) = delete;
basic_rope& operator=(basic_rope&& rope);
basic_rope(basic_rope&& rope);
bool operator!=(const basic_rope& rope);
bool operator==(const basic_rope& rope);
bool operator!=(const boost::core::basic_string_view<CharT>&);
bool operator==(const boost::core::basic_string_view<CharT>&);
public:
static constexpr size_type npos = (size_type)(-1);
private:
struct tree_impl;
tree_impl* impl_{};
};
#if __cplusplus >= 201811L
using u8rope = basic_rope<char8_t>;
using u16rope = basic_rope<char16_t>;
#endif
using crope = basic_rope<char>;
using wrope = basic_rope<wchar_t>;
} // namespace ocl::tproc
#include "rope_fwd.inl"
#endif
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