[srell] Add package (#2302)

packages/s/srell/xmake.lua

@@ -0,0 +1,29 @@
+package("srell")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://akenotsuki.com/misc/srell")
+    set_description("Unicode-aware regular expression template library for C++")
+    set_license("BSD-2-Clause")
+
+    add_urls("https://akenotsuki.com/misc/srell/srell$(version).zip", {version = function(version)
+        return version:gsub("%.", "_")
+    end})
+    add_versions("4.019", "b4281825c529c7f63b61917782b33066a93cd40b55efbcac13c1ef615cd29835")
+    add_versions("3.018", "0cb7587b3613085204ed847259cb46a54f7328aef90a0ce85a1eaa895a755ccf")
+
+    on_install(function(package)
+        os.cp("*.hpp", package:installdir("include"))
+    end)
+
+    on_test(function(package)
+        assert(package:check_cxxsnippets({test = [[
+            void test()
+            {
+                srell::regex e{ "\\d+[^-\\d]+" };
+                srell::cmatch m;
+                if (srell::regex_search("1234-5678-90ab-cdef", m, e)) {
+                    const std::string s(m[0].first, m[0].second);
+                    std::printf("result: %s\n", s.c_str());
+                }
+            }
+        ]]}, {configs = {languages = "c++11"}, includes = "srell.hpp"}))
+    end)