Add csvparser (#378)

packages/c/csvparser/xmake.lua

@@ -0,0 +1,24 @@
+package("csvparser")
+
+    set_homepage("https://github.com/vincentlaucsb/csv-parser")
+    set_description("A modern C++ library for reading, writing, and analyzing CSV (and similar) files (by vincentlaucsb)")
+
+    add_urls("https://github.com/vincentlaucsb/csv-parser/archive/refs/tags/$(version).zip")
+    add_versions("2.1.1", "5fb6fc1c32196fb8cda144f192964b5bbedf61da9015d6c0edb8cb39b0dacff8")
+
+    on_install(function (package)
+        os.cp("single_include/csv.hpp", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            using namespace csv;
+            void test(int argc, char** argv) {
+                CSVReader reader("example.csv");
+                for (CSVRow& row: reader) {
+                    for (CSVField& field: row) {
+                    }
+                }
+            }
+        ]]}, {includes = "csv.hpp", configs = {languages = "cxx17"}}))
+    end)