From 22e62713ccfbbde5445ba8757c9f0a07acc4639e Mon Sep 17 00:00:00 2001
From: nekosu <liao.hy@outlook.com>
Date: Fri, 17 May 2024 20:44:55 +0800
Subject: [PATCH] feat: check wchar_t size

---
 include/parser/parser.hpp | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/include/parser/parser.hpp b/include/parser/parser.hpp
index 22d8a07..5556e2d 100644
--- a/include/parser/parser.hpp
+++ b/include/parser/parser.hpp
@@ -509,11 +509,17 @@ inline std::optional<string_t> parser<string_t, parsing_t, accel_traits>::parse_
                     }
                 }
                 else if constexpr (std::is_same_v<typename string_t::value_type, wchar_t>) {
-                    if (ext_cp <= 0xFFFF) {
-                        result.push_back(static_cast<uint16_t>(ext_cp));
+                    if constexpr (sizeof (wchar_t) == 4) {
+                        result.push_back(static_cast<wchar_t>(ext_cp));
+                    } else if constexpr (sizeof (wchar_t) == 2) {
+                        if (ext_cp <= 0xFFFF) {
+                            result.push_back(static_cast<wchar_t>(ext_cp));
+                        } else {
+                            result.push_back(static_cast<wchar_t>(hi_cp));
+                            result.push_back(static_cast<wchar_t>(lo_cp));
+                        }
                     } else {
-                        result.push_back(hi_cp);
-                        result.push_back(lo_cp);
+                        static_assert(!sizeof(typename string_t::value_type), "Unsupported wchar");
                     }
                 }
                 else {