Minimal tag_invokes for STL types

2026-06-08 17:27:07 +00:00 · 2024-09-26 09:27:38 -10:00
parent 49b9860899
commit bbb3cb80a6
14 changed files with 347 additions and 128 deletions
@@ -0,0 +1,37 @@
+#ifndef SIMDJSON_STD_LIST_H
+#define SIMDJSON_STD_LIST_H
+
+#ifndef SIMDJSON_SUPPORTS_DESERIALIZATION
+#include "simdjson/generic/ondemand/deserialize.h"
+#endif
+
+#ifdef SIMDJSON_SUPPORTS_DESERIALIZATION
+#include <string>
+
+namespace simdjson {
+
+template <typename CharT,
+          typename TraitsT,
+          typename AllocT,
+          typename ValT>
+error_code tag_invoke(deserialize_tag, ValT &val, std::basic_string<CharT, TraitsT, AllocT> &out) noexcept(false) {
+  using string_type = std::basic_string<CharT, TraitsT, AllocT>;
+
+  if constexpr (std::same_as<string_type, string_type>) {
+    SIMDJSON_TRY(val.get_string(out));
+  } else {
+    // todo: optimize performance
+    std::string tmp;
+    SIMDJSON_TRY(val.get_string(tmp));
+    for (auto const ch : tmp) {
+      out.push_back(ch);
+    }
+  }
+  return SUCCESS;
+}
+
+} // namespace simdjson
+
+#endif // SIMDJSON_SUPPORTS_DESERIALIZATION
+
+#endif // SIMDJSON_STD_LIST_H