chromium/components/autofill/core/browser/server_prediction_overrides.cc

// Copyright 2023 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/autofill/core/browser/server_prediction_overrides.h"

#include <optional>

#include "base/containers/flat_map.h"
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_split.h"
#include "base/types/expected.h"
#include "base/values.h"
#include "components/autofill/core/browser/proto/api_v1.pb.h"
#include "components/autofill/core/common/signatures.h"

namespace autofill {

namespace {

FieldSuggestion;
FieldPrediction;
SingleServerPredictionOverride;

constexpr std::string_view kSeparatorLevel0 = …;
constexpr std::string_view kSeparatorLevel1 = …;

// Parses a single type prediction for a field. If unsuccessful, it returns
// `std::nullopt`.
std::optional<FieldPrediction> ParseSingleFieldTypePrediction(
    std::string_view specification) { … }

// Parses one or multiple server predictions and returns the corresponding
// `FieldSuggestion`.
base::expected<FieldSuggestion, std::string> ParseFieldTypePredictions(
    uint32_t field_signature,
    base::span<const std::string> specifications) { … }

// Parses a single override of the form
// formsignature_fieldsignature[_serverprediction1][_serverprediction2]...
base::expected<SingleServerPredictionOverride, std::string>
ParseSingleServerPredictionOverride(std::string_view specification) { … }

}  // namespace

base::expected<ServerPredictionOverrides, std::string>
ParseServerPredictionOverrides(std::string_view specification) { … }

}  // namespace autofill