| // Copyright 2021 The Chromium Authors |
| // 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 <stdint.h> |
| |
| #include "base/strings/string_piece.h" |
| #include "third_party/rust/cxx/v1/crate/include/cxx.h" |
| |
| namespace gurl_base { |
| |
| // Create a Rust str from a gurl_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<const uint8_t> StringPieceToRustSlice( |
| StringPiece string_piece) { |
| return rust::Slice<const uint8_t>( |
| reinterpret_cast<const uint8_t*>(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_ |