suggestion_parser.cc | Explore in Territory

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/extensions/api/omnibox/suggestion_parser.h"

#include <string_view>

#include "base/functional/callback.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/common/extensions/api/omnibox.h"
#include "components/omnibox/browser/autocomplete_match.h"
#include "services/data_decoder/public/cpp/data_decoder.h"
#include "services/data_decoder/public/cpp/safe_xml_parser.h"
#include "services/data_decoder/public/mojom/xml_parser.mojom.h"

namespace extensions {

omnibox;

namespace {

// A helper function to DCHECK() that retrieving the tag for a given XML node
// succeeds and return the tag.
std::string CheckedGetElementTag(const base::Value& node) { … }

// Recursively walks an XML node, generating `result` as it goes along.
void WalkNode(const base::Value& node, DescriptionAndStyles* result) { … }

// Populates `entries` with individual suggestions contained within
// `root-node`. Used when we construct an XML document with multiple suggestions
// for parsing.
// Returns true on success. `entries_out` may be modified even if population
// fails.
bool PopulateEntriesFromNode(const base::Value& root_node,
                             std::vector<const base::Value*>* entries_out) { … }

// Constructs the DescriptionAndStylesResult from the parsed XML value, if
// present.
void ConstructResultFromValue(
    DescriptionAndStylesCallback callback,
    bool has_multiple_entries,
    data_decoder::DataDecoder::ValueOrError value_or_error) { … }

// A helper method for ParseDescriptionsAndStyles(). `contains_multiple_entries`
// indicates whether `xml_input` contains a single suggestion or multiple
// suggestions that have been wrapped in individual XML elements.
void ParseDescriptionAndStylesImpl(std::string_view xml_input,
                                   bool contains_multiple_entries,
                                   DescriptionAndStylesCallback callback) { … }

}  // namespace

DescriptionAndStyles::DescriptionAndStyles() = default;
DescriptionAndStyles::DescriptionAndStyles(DescriptionAndStyles&&) = default;
DescriptionAndStyles& DescriptionAndStyles::operator=(DescriptionAndStyles&&) =
    default;
DescriptionAndStyles::~DescriptionAndStyles() = default;

DescriptionAndStylesResult::DescriptionAndStylesResult() = default;
DescriptionAndStylesResult::DescriptionAndStylesResult(
    DescriptionAndStylesResult&&) = default;
DescriptionAndStylesResult& DescriptionAndStylesResult::operator=(
    DescriptionAndStylesResult&&) = default;
DescriptionAndStylesResult::~DescriptionAndStylesResult() = default;

void ParseDescriptionAndStyles(std::string_view str,
                               DescriptionAndStylesCallback callback) { … }

void ParseDescriptionsAndStyles(const std::vector<std::string_view>& strs,
                                DescriptionAndStylesCallback callback) { … }

}  // namespace extensions
chromium/chrome/browser/extensions/api/omnibox/suggestion_parser.cc
