// Copyright 2021 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef BASE_STRINGS_STRING_PIECE_RUST_H_ #define BASE_STRINGS_STRING_PIECE_RUST_H_ #include #include "base/strings/string_piece.h" #include "third_party/rust/cxx/v1/crate/include/cxx.h" namespace base { // Create a Rust str from a base::BasicStringPiece. This will call std::abort // if there is any invalid UTF8. If you're concerned about this, then // instead use StringPieceToRustSlice and convert the data to a string on // the Rust side (or pass in a std::string). inline rust::Str StringPieceToRustStrUTF8(StringPiece string_piece) { return rust::Str(string_piece.data(), string_piece.size()); } // Create a Rust slice from a StringPiece. No UTF8 check is performed. inline rust::Slice StringPieceToRustSlice( StringPiece string_piece) { return rust::Slice( reinterpret_cast(string_piece.data()), string_piece.length() * sizeof(StringPiece::value_type)); } // Create a StringPiece from a Rust str. inline StringPiece RustStrToStringPiece(rust::Str str) { return StringPiece(str.data(), str.size()); } } // namespace base #endif // BASE_STRINGS_STRING_PIECE_RUST_H_