Add td::remove_if.

GitOrigin-RevId: d94733cbf251e8fc182c106f4cbf0cc84c0675a5
This commit is contained in:
levlam 2019-10-20 01:51:17 +03:00
parent ee87414bab
commit e37f7d1537
4 changed files with 89 additions and 27 deletions

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@ -210,7 +210,7 @@ pollOption text:string voter_count:int32 vote_percentage:int32 is_chosen:Bool is
//@minithumbnail Animation minithumbnail; may be null @thumbnail Animation thumbnail; may be null @animation File containing the animation
animation duration:int32 width:int32 height:int32 file_name:string mime_type:string minithumbnail:minithumbnail thumbnail:photoSize animation:file = Animation;
//@description Describes an audio file. Audio is usually in MP3 format @duration Duration of the audio, in seconds; as defined by the sender @title Title of the audio; as defined by the sender @performer Performer of the audio; as defined by the sender
//@description Describes an audio file. Audio is usually in MP3 or M4A format @duration Duration of the audio, in seconds; as defined by the sender @title Title of the audio; as defined by the sender @performer Performer of the audio; as defined by the sender
//@file_name Original name of the file; as defined by the sender @mime_type The MIME type of the file; as defined by the sender @album_cover_minithumbnail The minithumbnail of the album cover; may be null @album_cover_thumbnail The thumbnail of the album cover; as defined by the sender. The full size thumbnail should be extracted from the downloaded file; may be null @audio File containing the audio
audio duration:int32 title:string performer:string file_name:string mime_type:string album_cover_minithumbnail:minithumbnail album_cover_thumbnail:photoSize audio:file = Audio;

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@ -1001,8 +1001,7 @@ void NotificationManager::flush_pending_updates(int32 group_id, const char *sour
VLOG(notifications) << "Have " << as_notification_update(update.get());
}
updates.erase(std::remove_if(updates.begin(), updates.end(), [](auto &update) { return update == nullptr; }),
updates.end());
td::remove_if(updates, [](auto &update) { return update == nullptr; });
// if a notification was added, then deleted and then re-added we need to keep
// first addition, because it can be with sound,
@ -1034,10 +1033,7 @@ void NotificationManager::flush_pending_updates(int32 group_id, const char *sour
notification_id = 0;
}
}
update_ptr->removed_notification_ids_.erase(
std::remove_if(update_ptr->removed_notification_ids_.begin(), update_ptr->removed_notification_ids_.end(),
[](auto &notification_id) { return notification_id == 0; }),
update_ptr->removed_notification_ids_.end());
td::remove_if(update_ptr->removed_notification_ids_, [](auto &notification_id) { return notification_id == 0; });
} else {
CHECK(update->get_id() == td_api::updateNotification::ID);
auto update_ptr = static_cast<td_api::updateNotification *>(update.get());
@ -1127,10 +1123,7 @@ void NotificationManager::flush_pending_updates(int32 group_id, const char *sour
// it is a first addition/edit of needed notification
first_add_notification_pos[notification_id] = cur_pos;
}
update_ptr->added_notifications_.erase(
std::remove_if(update_ptr->added_notifications_.begin(), update_ptr->added_notifications_.end(),
[](auto &notification) { return notification == nullptr; }),
update_ptr->added_notifications_.end());
td::remove_if(update_ptr->added_notifications_, [](auto &notification) { return notification == nullptr; });
if (update_ptr->added_notifications_.empty() && !update_ptr->is_silent_) {
update_ptr->is_silent_ = true;
is_changed = true;
@ -1169,10 +1162,8 @@ void NotificationManager::flush_pending_updates(int32 group_id, const char *sour
// we need to keep the deletion, because otherwise we will have 2 consequent additions
}
update_ptr->removed_notification_ids_.erase(
std::remove_if(update_ptr->removed_notification_ids_.begin(), update_ptr->removed_notification_ids_.end(),
[](auto &notification_id) { return notification_id == 0; }),
update_ptr->removed_notification_ids_.end());
td::remove_if(update_ptr->removed_notification_ids_,
[](auto &notification_id) { return notification_id == 0; });
if (update_ptr->removed_notification_ids_.empty() && update_ptr->added_notifications_.empty()) {
for (size_t i = cur_pos - 1; i > 0; i--) {
@ -1263,8 +1254,7 @@ void NotificationManager::flush_pending_updates(int32 group_id, const char *sour
CHECK(old_size == update_ptr->removed_notification_ids_.size());
}
updates.erase(std::remove_if(updates.begin(), updates.end(), [](auto &update) { return update == nullptr; }),
updates.end());
td::remove_if(updates, [](auto &update) { return update == nullptr; });
if (updates.empty()) {
VLOG(notifications) << "There are no updates to send in " << NotificationGroupId(group_id);
break;
@ -1776,12 +1766,9 @@ void NotificationManager::remove_added_notifications_from_pending_updates(
if (update->get_id() == td_api::updateNotificationGroup::ID) {
auto update_ptr = static_cast<td_api::updateNotificationGroup *>(update.get());
if (!removed_notification_ids.empty() && !update_ptr->removed_notification_ids_.empty()) {
update_ptr->removed_notification_ids_.erase(
std::remove_if(update_ptr->removed_notification_ids_.begin(), update_ptr->removed_notification_ids_.end(),
[&removed_notification_ids](auto &notification_id) {
return removed_notification_ids.count(notification_id) == 1;
}),
update_ptr->removed_notification_ids_.end());
td::remove_if(update_ptr->removed_notification_ids_, [&removed_notification_ids](auto &notification_id) {
return removed_notification_ids.count(notification_id) == 1;
});
}
for (auto &notification : update_ptr->added_notifications_) {
if (is_removed(notification)) {
@ -1790,10 +1777,7 @@ void NotificationManager::remove_added_notifications_from_pending_updates(
notification = nullptr;
}
}
update_ptr->added_notifications_.erase(
std::remove_if(update_ptr->added_notifications_.begin(), update_ptr->added_notifications_.end(),
[](auto &notification) { return notification == nullptr; }),
update_ptr->added_notifications_.end());
td::remove_if(update_ptr->added_notifications_, [](auto &notification) { return notification == nullptr; });
} else {
CHECK(update->get_id() == td_api::updateNotification::ID);
auto update_ptr = static_cast<td_api::updateNotification *>(update.get());

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@ -83,6 +83,25 @@ auto transform(T &&v, const Func &f) {
return detail::transform_helper<std::decay_t<T>>().transform(std::forward<T>(v), f);
}
template <class T, class Func>
void remove_if(vector<T> &v, const Func &f) {
size_t i = 0;
while (i != v.size() && !f(v[i])) {
i++;
}
if (i == v.size()) {
return;
}
size_t j = i;
while (++i != v.size()) {
if (!f(v[i])) {
v[j++] = std::move(v[i]);
}
}
v.erase(v.begin() + j, v.end());
}
template <class T>
void reset_to_empty(T &value) {
using std::swap;

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@ -209,6 +209,65 @@ TEST(Misc, base64) {
"Ojo7ISUiOw==");
}
template <class T>
static void test_remove_if(vector<int> v, const T &func, vector<int> expected) {
remove_if(v, func);
if (expected != v) {
LOG(FATAL) << "Receive " << v << ", expected " << expected << " in remove_if";
}
}
TEST(Misc, remove_if) {
auto odd = [](int x) {
return x % 2 == 1;
};
auto even = [](int x) {
return x % 2 == 0;
};
auto all = [](int x) {
return true;
};
auto none = [](int x) {
return false;
};
vector<int> v{1, 2, 3, 4, 5, 6};
test_remove_if(v, odd, {2, 4, 6});
test_remove_if(v, even, {1, 3, 5});
test_remove_if(v, all, {});
test_remove_if(v, none, v);
v = vector<int>{1, 3, 5, 2, 4, 6};
test_remove_if(v, odd, {2, 4, 6});
test_remove_if(v, even, {1, 3, 5});
test_remove_if(v, all, {});
test_remove_if(v, none, v);
v.clear();
test_remove_if(v, odd, v);
test_remove_if(v, even, v);
test_remove_if(v, all, v);
test_remove_if(v, none, v);
v.push_back(-1);
test_remove_if(v, odd, v);
test_remove_if(v, even, v);
test_remove_if(v, all, {});
test_remove_if(v, none, v);
v[0] = 1;
test_remove_if(v, odd, {});
test_remove_if(v, even, v);
test_remove_if(v, all, {});
test_remove_if(v, none, v);
v[0] = 2;
test_remove_if(v, odd, v);
test_remove_if(v, even, {});
test_remove_if(v, all, {});
test_remove_if(v, none, v);
}
TEST(Misc, to_integer) {
ASSERT_EQ(to_integer<int32>("-1234567"), -1234567);
ASSERT_EQ(to_integer<int64>("-1234567"), -1234567);