Permit strings, tokens, and byte sequences to be moved out of Items
So that they can be used without copies.
PiperOrigin-RevId: 482804429
diff --git a/quiche/common/structured_headers.h b/quiche/common/structured_headers.h
index 9d94e90..8e0520b 100644
--- a/quiche/common/structured_headers.h
+++ b/quiche/common/structured_headers.h
@@ -9,6 +9,7 @@
#include <map>
#include <string>
#include <tuple>
+#include <utility>
#include <vector>
#include "absl/strings/string_view.h"
@@ -119,6 +120,20 @@
return *value;
}
+ // Transfers ownership of the underlying String, Token, or Byte Sequence.
+ std::string TakeString() && {
+ struct Visitor {
+ std::string* operator()(absl::monostate&) { return nullptr; }
+ std::string* operator()(int64_t&) { return nullptr; }
+ std::string* operator()(double&) { return nullptr; }
+ std::string* operator()(std::string& value) { return &value; }
+ std::string* operator()(bool&) { return nullptr; }
+ };
+ std::string* value = absl::visit(Visitor(), value_);
+ QUICHE_CHECK(value);
+ return std::move(*value);
+ }
+
ItemType Type() const { return static_cast<ItemType>(value_.index()); }
private:
