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// Copyright 2025, 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-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 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 = std::allocator_traits<Allocator>::pointer;
using iterator_type = basic_rope<CharT, Traits, Allocator>*;
iterator_type rbegin();
iterator_type rend();
iterator_type begin();
iterator_type end();
/// \todo do we need const_iterator_type now?
const iterator_type cbegin();
const iterator_type cend();
/// \brief Extarcts a needle from a position of n length.
basic_rope<CharT, Traits, Allocator>& substr(size_type pos, const size_type n = 0);
/// \brief Rope's version of the find method.
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();
bool empty() const;
boost::core::basic_string_view<value_type> data();
const boost::core::basic_string_view<value_type> c_str();
public:
~basic_rope();
basic_rope(const boost::core::basic_string_view<CharT>& in = {});
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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