chromium/components/feed/core/v2/web_feed_subscriptions/web_feed_index.cc

// 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.

#include "components/feed/core/v2/web_feed_subscriptions/web_feed_index.h"

#include <memory>
#include <ostream>
#include <string_view>
#include <vector>

#include "base/containers/flat_map.h"
#include "base/strings/strcat.h"
#include "base/substring_set_matcher/matcher_string_pattern.h"
#include "components/feed/core/proto/v2/store.pb.h"
#include "components/feed/core/proto/v2/wire/web_feed_matcher.pb.h"
#include "components/feed/core/v2/feedstore_util.h"
#include "components/url_matcher/url_matcher.h"
#include "url/gurl.h"
namespace feed {
namespace {
Entry;

// Given a host and a list of host suffixes, efficiently finds which host
// suffixes match.
class HostSuffixMatcher { … };

constexpr base::MatcherStringPattern::ID kFirstConditionId = …;

// References a set of conditions that all must be true to identify a Web Feed.
// Conditions in this context are represented by unique integer IDs. Each
// MultiConditionSet represents a set of sequential contion IDs, and an entry
// index which points to the Web Feed with these associated match conditions.
// See its use in EntrySet::Search() for context.
struct MultiConditionSet { … };

}  // namespace

namespace web_feed_index_internal {
class EntrySetBuilder;

// A set of WebFeedIndex::Entry objects.
class EntrySet { … };

class EntrySetBuilder { … };

}  // namespace web_feed_index_internal

namespace {

EntrySetBuilder;

}  // namespace

WebFeedIndex::WebFeedIndex() { … }

WebFeedIndex::~WebFeedIndex() = default;

void WebFeedIndex::Populate(
    const feedstore::RecommendedWebFeedIndex& recommended_feed_index) { … }

void WebFeedIndex::Populate(
    const feedstore::SubscribedWebFeeds& subscribed_feeds) { … }

void WebFeedIndex::Clear() { … }

WebFeedIndex::Entry WebFeedIndex::FindWebFeed(
    const std::string& web_feed_id) const { … }

Entry WebFeedIndex::FindWebFeed(const WebFeedPageInformation& page_info) { … }

bool WebFeedIndex::IsRecommended(const std::string& web_feed_id) const { … }

bool WebFeedIndex::HasSubscriptions() const { … }

int WebFeedIndex::SubscriptionCount() const { … }

int WebFeedIndex::RecommendedWebFeedCount() const { … }

const std::vector<Entry>& WebFeedIndex::GetSubscribedEntries() const { … }

std::vector<WebFeedIndex::Entry> WebFeedIndex::GetRecommendedEntriesForTesting()
    const { … }

std::vector<WebFeedIndex::Entry> WebFeedIndex::GetSubscribedEntriesForTesting()
    const { … }

void WebFeedIndex::DumpStateForDebugging(std::ostream& os) { … }

std::ostream& operator<<(std::ostream& os, const WebFeedIndex::Entry& entry) { … }

}  // namespace feed