[rsm-binary-io] Add package (#2151)

* [rsm-binary-io] Add package

* [rsm-binary-io] License

* [rsm-binary-io] Add git url

* [rsm-binary-io] Support `shared`

* [rsm-binary-io] Export classes

packages/r/rsm-binary-io/xmake.lua

@@ -0,0 +1,35 @@
+package("rsm-binary-io")
+    set_homepage("https://github.com/Ryan-rsm-McKenzie/binary_io")
+    set_description("A binary i/o library for C++, without the agonizing pain")
+    set_license("MIT")
+
+    add_urls("https://github.com/Ryan-rsm-McKenzie/binary_io/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/Ryan-rsm-McKenzie/binary_io.git")
+    add_versions("2.0.5", "4cc904ef02f77e04756cbdf01372629b0f04d859f06ee088d854468abdd4b840")
+
+    on_install(function (package)
+        io.writefile("xmake.lua", [[
+            add_rules("mode.debug", "mode.release")
+            set_languages("c++20")
+            target("rsm-binary-io")
+                set_kind("$(kind)")
+                add_files("src/**.cpp")
+                add_includedirs("include/")
+                add_headerfiles("include/(**.hpp)")
+                if is_plat("windows") and is_kind("shared") then
+                    add_rules("utils.symbols.export_all", {export_classes = true})
+                end
+        ]])
+        local configs = {}
+        configs.kind = package:config("shared") and "shared" or "static"
+        import("package.tools.xmake").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            void test(int argc, char** argv) {
+                binary_io::span_istream s;
+                assert(s.tell() == 0);
+            }
+        ]]}, {configs = {languages = "c++20"}, includes = {"binary_io/binary_io.hpp", "assert.h"}}))
+    end)