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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/sync/base/deletion_origin.h"
#include <optional>
#include <string>
#include <utility>
#include "base/check.h"
#include "base/hash/hash.h"
#include "base/location.h"
#include "base/strings/string_util.h"
#include "components/sync/protocol/deletion_origin.pb.h"
namespace syncer {
namespace {
constexpr size_t kMaxFileNameBeforeTruncation = 30;
// Truncates the filename to a maximum size by stripping, if needed, the
// beginning of the string (usually path), which is less representative than the
// end.
std::string MaybeTruncateFileName(std::string_view file_name) {
if (file_name.size() <= kMaxFileNameBeforeTruncation) {
return std::string(file_name);
}
std::string result(
file_name.substr(file_name.size() - kMaxFileNameBeforeTruncation));
for (int i = 0; i < 3; i++) {
result[i] = '.';
}
return result;
}
} // namespace
// static
DeletionOrigin DeletionOrigin::Unspecified() {
return DeletionOrigin(std::nullopt);
}
// static
DeletionOrigin DeletionOrigin::FromLocation(base::Location location) {
return DeletionOrigin(std::move(location));
}
DeletionOrigin::DeletionOrigin(const DeletionOrigin& other) = default;
DeletionOrigin::DeletionOrigin(DeletionOrigin&& other) = default;
DeletionOrigin::~DeletionOrigin() = default;
DeletionOrigin& DeletionOrigin::operator=(const DeletionOrigin& other) =
default;
DeletionOrigin& DeletionOrigin::operator=(DeletionOrigin&& other) = default;
bool DeletionOrigin::is_specified() const {
return location_.has_value();
}
sync_pb::DeletionOrigin DeletionOrigin::ToProto(
std::string_view chromium_version) const {
CHECK(is_specified());
sync_pb::DeletionOrigin proto;
proto.set_chromium_version(std::string(chromium_version));
proto.set_file_name_hash(base::PersistentHash((location_->file_name())));
proto.set_file_line_number(location_->line_number());
if (base::IsStringASCII(location_->file_name())) {
proto.set_file_name_possibly_truncated(
MaybeTruncateFileName(location_->file_name()));
}
return proto;
}
DeletionOrigin::DeletionOrigin(std::optional<base::Location> location)
: location_(std::move(location)) {}
} // namespace syncer
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