45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
// Copyright 2021 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_STRINGS_STRING_PIECE_RUST_H_
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#define BASE_STRINGS_STRING_PIECE_RUST_H_
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#include "base/rust_buildflags.h"
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#if BUILDFLAG(BUILD_RUST_BASE_CONVERSIONS)
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#include <stdint.h>
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#include "base/strings/string_piece.h"
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#include "third_party/rust/cxx/v1/crate/include/cxx.h" // nogncheck
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namespace base {
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// Create a Rust str from a base::BasicStringPiece. This will call std::abort
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// if there is any invalid UTF8. If you're concerned about this, then
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// instead use StringPieceToRustSlice and convert the data to a string on
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// the Rust side (or pass in a std::string).
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inline rust::Str StringPieceToRustStrUTF8(StringPiece string_piece) {
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return rust::Str(string_piece.data(), string_piece.size());
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}
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// Create a Rust slice from a StringPiece. No UTF8 check is performed.
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inline rust::Slice<const uint8_t> StringPieceToRustSlice(
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StringPiece string_piece) {
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return rust::Slice<const uint8_t>(
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reinterpret_cast<const uint8_t*>(string_piece.data()),
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string_piece.length() * sizeof(StringPiece::value_type));
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}
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// Create a StringPiece from a Rust str.
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inline StringPiece RustStrToStringPiece(rust::Str str) {
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return StringPiece(str.data(), str.size());
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}
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} // namespace base
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#endif // BUILDFLAG(BUILD_RUST_BASE_CONVERSIONS)
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#endif // BASE_STRINGS_STRING_PIECE_RUST_H_
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