jwt-cpp: add package (#2646)

* jwt-cpp: add package

* disable plat

packages/j/jwt-cpp/xmake.lua

@@ -0,0 +1,40 @@
+package("jwt-cpp")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://thalhammer.github.io/jwt-cpp/")
+    set_description("A header only library for creating and validating json web tokens in c++")
+    set_license("MIT")
+
+    add_urls("https://github.com/Thalhammer/jwt-cpp/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/Thalhammer/jwt-cpp.git")
+
+    add_versions("v0.6.0", "0227bd6e0356b211341075c7997c837f0b388c01379bd256aa525566a5553f03")
+
+    add_configs("picojson", {description = "Use picojson", default = true, type = "boolean"})
+
+    add_deps("openssl")
+
+    on_load(function (package)
+        if package:config("picojson") then
+            package:add("deps", "picojson")
+        else
+            package:add("defines", "JWT_DISABLE_PICOJSON")
+        end
+    end)
+
+    on_install("windows", "linux", "macosx", "bsd", "mingw", "msys", "android", "cross", function (package)
+        if package:config("picojson") then
+            io.replace("include/jwt-cpp/jwt.h", "picojson/picojson.h", "picojson.h", {plain = true})
+            io.replace("include/jwt-cpp/traits/kazuho-picojson/traits.h", "picojson/picojson.h", "picojson.h", {plain = true})
+        end
+        os.cp("include/jwt-cpp", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <jwt-cpp/jwt.h>
+            void test() {
+                std::string token;
+                auto decoded = jwt::decode(token);
+            }
+        ]]}, {configs = {languages = "c++11"}}))
+    end)