add jsoncons (#29)

* add jsoncons

* update

Author: district10

build.py

@@ -6,7 +6,7 @@
 from setuptools import setup, find_packages
 
 name = "cubao_headers"
-version = "0.0.7"
+version = "0.0.8"
 
 pattern = ["*"]
 

include/README.md

@@ -6,6 +6,7 @@
 -   https://github.com/Tessil/ordered-map
 -   https://github.com/Tessil/robin-map
 -   https://github.com/cubao/nano-fmm/blob/master/3rdparty/packedrtree.h
+-   https://github.com/danielaparker/jsoncons/tree/master/include
 -   https://github.com/district10/geojson-cpp/tree/fef5888142373cc07561987b8c8ba4bd64e2380b
 -   https://github.com/district10/geometry.hpp/tree/8949904a2b6e0295df2db09b06a643f573e714d0
 -   https://github.com/doctest/doctest/tree/4d8716f1efc1d14aa736ef52ee727bd4204f4c40

include/jsoncons/allocator_holder.hpp

@@ -0,0 +1,37 @@
+// Copyright 2013-2025 Daniel Parker
+// Distributed under the Boost license, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// See https://github.com/danielaparker/jsoncons for latest version
+
+#ifndef JSONCONS_ALLOCATOR_HOLDER_HPP
+#define JSONCONS_ALLOCATOR_HOLDER_HPP
+
+namespace jsoncons {
+
+template <typename Allocator>
+class allocator_holder
+{
+public:
+    using allocator_type = Allocator;
+private:
+    allocator_type alloc_;
+public:
+    allocator_holder() = default;
+    allocator_holder(const allocator_holder&)  = default;
+    allocator_holder(allocator_holder&&)  = default;
+    allocator_holder& operator=(const allocator_holder&) = delete;
+    allocator_holder(const allocator_type& alloc)
+        : alloc_(alloc)
+        {}
+    ~allocator_holder() = default;
+    
+    allocator_type get_allocator() const
+    {
+        return alloc_;
+    }
+};
+
+} // namespace jsoncons
+
+#endif // JSONCONS_ALLOCATOR_HOLDER_HPP

include/jsoncons/allocator_set.hpp

@@ -0,0 +1,67 @@
+// Copyright 2013-2025 Daniel Parker
+// Distributed under the Boost license, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+// See https://github.com/danielaparker/jsoncons for latest version
+
+#ifndef JSONCONS_ALLOCATOR_SET_HPP
+#define JSONCONS_ALLOCATOR_SET_HPP
+
+#include <memory>
+
+#include <jsoncons/json_type.hpp>
+
+namespace jsoncons {
+
+template <typename Allocator,typename TempAllocator >
+class allocator_set
+{
+    Allocator result_alloc_;
+    TempAllocator temp_alloc_;
+public:
+    using allocator_type = Allocator;
+    using temp_allocator_type = TempAllocator;
+
+    allocator_set(const Allocator& alloc=Allocator(), 
+        const TempAllocator& temp_alloc=TempAllocator())
+        : result_alloc_(alloc), temp_alloc_(temp_alloc)
+    {
+    }
+
+    allocator_set(const allocator_set&)  = default;
+    allocator_set(allocator_set&&)  = default;
+    allocator_set& operator=(const allocator_set&)  = delete;
+    allocator_set& operator=(allocator_set&&)  = delete;
+    ~allocator_set() = default;
+
+    Allocator get_allocator() const {return result_alloc_;}
+    TempAllocator get_temp_allocator() const {return temp_alloc_;}
+};
+
+inline
+allocator_set<std::allocator<char>,std::allocator<char>> combine_allocators()
+{
+    return allocator_set<std::allocator<char>,std::allocator<char>>(std::allocator<char>(), std::allocator<char>());
+}
+
+template <typename Allocator>
+allocator_set<Allocator,std::allocator<char>> combine_allocators(const Allocator& alloc)
+{
+    return allocator_set<Allocator,std::allocator<char>>(alloc, std::allocator<char>());
+}
+
+template <typename Allocator,typename TempAllocator >
+allocator_set<Allocator,TempAllocator> combine_allocators(const Allocator& alloc, const TempAllocator& temp_alloc)
+{
+    return allocator_set<Allocator,TempAllocator>(alloc, temp_alloc);
+}
+
+template <typename TempAllocator >
+allocator_set<std::allocator<char>,TempAllocator> temp_allocator_only(const TempAllocator& temp_alloc)
+{
+    return allocator_set<std::allocator<char>,TempAllocator>(std::allocator<char>(), temp_alloc);
+}
+
+} // namespace jsoncons
+
+#endif // JSONCONS_ALLOCATOR_SET_HPP