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Welcome: Port to Core::Stream

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thankyouverycool 2022-09-23 10:52:40 -04:00 committed by Ali Mohammad Pur
parent bd66453e8d
commit ca54a965a0
Notes: sideshowbarker 2024-07-17 08:35:21 +09:00 
Author: https://github.com/thankyouverycool
Commit: https://github.com/SerenityOS/serenity/commit/ca54a965a0
Pull-request: https://github.com/SerenityOS/serenity/pull/15329
Reviewed-by: https://github.com/alimpfard
2 changed files with 19 additions and 18 deletions
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35
Userland/Applications/Welcome/WelcomeWidget.cpp
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@ -8,7 +8,8 @@
#include <AK/Random.h>
#include <Applications/Welcome/WelcomeWindowGML.h>
#include <LibConfig/Client.h>
#include <LibCore/File.h>
#include <LibCore/StandardPaths.h>
#include <LibCore/Stream.h>
#include <LibGUI/Application.h>
#include <LibGUI/Button.h>
#include <LibGUI/CheckBox.h>
@ -76,30 +77,30 @@ WelcomeWidget::WelcomeWidget()
};
open_and_parse_readme_file();
open_and_parse_tips_file();
if (auto result = open_and_parse_tips_file(); result.is_error()) {
auto error = String::formatted("Opening \"{}/tips.txt\" failed: {}", Core::StandardPaths::documents_directory(), result.error());
m_tip_label->set_text(error);
warnln(error);
}
set_random_tip();
}
void WelcomeWidget::open_and_parse_tips_file()
ErrorOr<void> WelcomeWidget::open_and_parse_tips_file()
{
auto file = Core::File::construct("/home/anon/Documents/tips.txt");
if (!file->open(Core::OpenMode::ReadOnly)) {
m_tip_label->set_text("~/Documents/tips.txt has gone missing!");
return;
}
auto path = String::formatted("{}/tips.txt", Core::StandardPaths::documents_directory());
auto file = TRY(Core::Stream::File::open(path, Core::Stream::OpenMode::Read));
auto buffered_file = TRY(Core::Stream::BufferedFile::create(move(file)));
Array<u8, PAGE_SIZE> buffer;
while (file->can_read_line()) {
auto line = file->read_line();
auto* ch = line.characters();
switch (*ch) {
case '\n':
case '\r':
case '\0':
case '#':
while (TRY(buffered_file->can_read_line())) {
auto line = TRY(buffered_file->read_line(buffer));
if (line.starts_with('#') || line.is_empty())
continue;
}
m_tips.append(line);
}
return {};
}
void WelcomeWidget::open_and_parse_readme_file()

2
Userland/Applications/Welcome/WelcomeWidget.h
View file

@ -21,7 +21,7 @@ private:
virtual void paint_event(GUI::PaintEvent&) override;
void set_random_tip();
void open_and_parse_tips_file();
ErrorOr<void> open_and_parse_tips_file();
void open_and_parse_readme_file();
RefPtr<GUI::Button> m_close_button;