From 7fbf17c499df4ef1ebd50658e88889b8d2081029 Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@nekernel.org>
Date: Sun, 21 Dec 2025 18:07:21 +0100
Subject: wip: `crope` and `wrope` types.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
---
 include/ocl/tproc.hpp               |  2 +-
 include/ocl/tproc/detail/config.hpp |  6 ++--
 include/ocl/tproc/rope.hpp          |  0
 include/ocl/tproc/rope_fwd.hpp      | 61 +++++++++++++++++++++++++++++++++++++
 test/rope_test/.keep                |  0
 test/rope_test/crope.test.cpp       |  7 +++++
 6 files changed, 72 insertions(+), 4 deletions(-)
 delete mode 100644 include/ocl/tproc/rope.hpp
 create mode 100644 include/ocl/tproc/rope_fwd.hpp
 delete mode 100644 test/rope_test/.keep
 create mode 100644 test/rope_test/crope.test.cpp

diff --git a/include/ocl/tproc.hpp b/include/ocl/tproc.hpp
index 84a2851..514eb47 100644
--- a/include/ocl/tproc.hpp
+++ b/include/ocl/tproc.hpp
@@ -7,6 +7,6 @@
 #define OCL_TPROC_HPP
 
 #include <ocl/tproc/detail/config.hpp>
-#include <ocl/tproc/rope.hpp>
+#include <ocl/tproc/rope_fwd.hpp>
 
 #endif // OCL_TPROC_HPP
diff --git a/include/ocl/tproc/detail/config.hpp b/include/ocl/tproc/detail/config.hpp
index 60e5278..9b1d265 100644
--- a/include/ocl/tproc/detail/config.hpp
+++ b/include/ocl/tproc/detail/config.hpp
@@ -9,12 +9,12 @@
 #define __OCL_TPROC_CONFIG
 
 #include <ocl/detail/config.hpp>
-#include <ocl/is_same.hpp>
+#include <ocl/equiv.hpp>
 #include <ocl/option.hpp>
 #include <ocl/smart_ptr.hpp>
 
 namespace ocl {
-template <typename CharT> class basic_rope;
-}
+namespace pmr {}
+} // namespace ocl
 
 #endif // ifndef __OCL_TPROC_CONFIG
diff --git a/include/ocl/tproc/rope.hpp b/include/ocl/tproc/rope.hpp
deleted file mode 100644
index e69de29..0000000
diff --git a/include/ocl/tproc/rope_fwd.hpp b/include/ocl/tproc/rope_fwd.hpp
new file mode 100644
index 0000000..323674f
--- /dev/null
+++ b/include/ocl/tproc/rope_fwd.hpp
@@ -0,0 +1,61 @@
+// 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 <memory>
+#include <string>
+
+/// \file rope_fwd.hpp
+/// \brief Basic forward definitions of the `rope` type.
+
+namespace ocl {
+/// \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 {
+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;
+
+  [[nodiscard]]
+  CharT *begin() {
+    return nullptr;
+  }
+
+  [[nodiscard]]
+  CharT *end() {
+    return nullptr;
+  }
+
+  [[nodiscard]]
+  size_type size() {
+    return 0UL;
+  }
+
+  basic_rope() = default;
+  virtual ~basic_rope() = default;
+};
+
+#if __cplusplus >= 201811L
+#ifdef __cpp_char8_t
+using u8rope = basic_rope<char8_t>;
+#endif
+#endif
+
+using crope = basic_rope<char>;
+using wrope = basic_rope<wchar_t>;
+} // namespace ocl
+
+#endif
\ No newline at end of file
diff --git a/test/rope_test/.keep b/test/rope_test/.keep
deleted file mode 100644
index e69de29..0000000
diff --git a/test/rope_test/crope.test.cpp b/test/rope_test/crope.test.cpp
new file mode 100644
index 0000000..869331f
--- /dev/null
+++ b/test/rope_test/crope.test.cpp
@@ -0,0 +1,7 @@
+/*
+ * File: crope.test.cpp
+ * Purpose: Char rope test.
+ * Author: Amlal El Mahrouss (amlal@nekernel.org)
+ * Copyright 2025, Amlal El Mahrouss, licensed under the Boost Software License.
+ */
+
-- 
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