Add redis-plus-plus (#1546)

* Add redis-plus-plus

* some improvements

packages/r/redis-plus-plus/xmake.lua

@@ -0,0 +1,33 @@
+package("redis-plus-plus")
+    set_homepage("https://github.com/sewenew/redis-plus-plus")
+    set_description("Redis client written in C++")
+
+    add_urls("https://github.com/sewenew/redis-plus-plus/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/sewenew/redis-plus-plus.git")
+    add_versions("1.3.5", "a49a72fef26ed39d36a278fcc4e4d92822e111697b5992d8f26f70d16edc6c1f")
+
+    add_deps("hiredis")
+    add_deps("cmake")
+  
+    if is_plat("linux") then
+        add_syslinks("pthread")
+    end
+
+    on_install("linux", "macosx", function (package)
+        local configs = {"-DREDIS_PLUS_PLUS_BUILD_TEST=OFF"}
+        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
+        table.insert(configs, "-DREDIS_PLUS_PLUS_BUILD_STATIC=" .. (package:config("shared") and "OFF" or "ON"))
+        table.insert(configs, "-DREDIS_PLUS_PLUS_BUILD_SHARED=" .. (package:config("shared") and "ON" or "OFF"))
+        import("package.tools.cmake").install(package, configs, {packagedeps = {"hiredis"}})
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({
+            test = [[
+              #include <sw/redis++/redis++.h>
+              static void test() {
+                sw::redis::ConnectionOptions connection_options;
+              }
+            ]]
+        }, {configs = {languages = "c++17"}}))
+    end)