From 2963d9a25b47c8496e757f48694bcac223cf68b0 Mon Sep 17 00:00:00 2001
From: ToruNiina <niina.toru.68u@gmail.com>
Date: Fri, 5 Jun 2020 19:43:23 +0900
Subject: [PATCH] feat: add std::filesystem::path support

---
 toml/parser.hpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/toml/parser.hpp b/toml/parser.hpp
index 80fe704..62900ee 100644
--- a/toml/parser.hpp
+++ b/toml/parser.hpp
@@ -12,6 +12,13 @@
 #include <sstream>
 #include <cstring>
 
+#if __cplusplus >= 201703L
+#if __has_include(<filesystem>)
+#define TOML11_HAS_STD_FILESYSTEM
+#include <filesystem>
+#endif // has_include(<string_view>)
+#endif // cplusplus   >= C++17
+
 namespace toml
 {
 namespace detail
@@ -2094,5 +2101,21 @@ basic_value<Comment, Table, Array> parse(const std::string& fname)
     return parse<Comment, Table, Array>(ifs, fname);
 }
 
+#ifdef TOML11_HAS_STD_FILESYSTEM
+template<typename                     Comment = ::toml::discard_comments,
+         template<typename ...> class Table   = std::unordered_map,
+         template<typename ...> class Array   = std::vector>
+basic_value<Comment, Table, Array> parse(const std::filesystem::path& fpath)
+{
+    std::ifstream ifs(fpath, std::ios_base::binary);
+    if(!ifs.good())
+    {
+        throw std::runtime_error("toml::parse: file open error -> " +
+                                 fpath.string());
+    }
+    return parse<Comment, Table, Array>(ifs, fname);
+}
+#endif // TOML11_HAS_STD_FILESYSTEM
+
 } // toml
 #endif// TOML11_PARSER_HPP