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HexEditor: Propagate errors when using "Save as"

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This commit is contained in:
Lucas CHOLLET 2023-01-14 22:04:20 -05:00 • committed by Andrew Kaster
parent 3d914247cc
commit 2bba743c24
5 changed files with 25 additions and 31 deletions
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35
Userland/Applications/HexEditor/HexDocument.cpp
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@ -58,17 +58,15 @@ void HexDocumentMemory::clear_changes()
m_changes.clear();
}
bool HexDocumentMemory::write_to_file(Core::Stream::File& file)
ErrorOr<void> HexDocumentMemory::write_to_file(Core::Stream::File& file)
{
if (file.seek(0, SeekMode::SetPosition).is_error())
return false;
if (file.write(m_buffer).is_error())
return false;
TRY(file.seek(0, SeekMode::SetPosition));
TRY(file.write(m_buffer));
for (auto& change : m_changes) {
file.seek(change.key, SeekMode::SetPosition).release_value_but_fixme_should_propagate_errors();
file.write({ &change.value, 1 }).release_value_but_fixme_should_propagate_errors();
TRY(file.seek(change.key, SeekMode::SetPosition));
TRY(file.write({ &change.value, 1 }));
}
return true;
return {};
}
ErrorOr<NonnullOwnPtr<HexDocumentFile>> HexDocumentFile::create(NonnullOwnPtr<Core::Stream::File> file)
@ -96,30 +94,27 @@ void HexDocumentFile::write_to_file()
m_buffer_file_pos = m_file_size + 1;
}
bool HexDocumentFile::write_to_file(Core::Stream::File& file)
ErrorOr<void> HexDocumentFile::write_to_file(Core::Stream::File& file)
{
if (file.truncate(size()).is_error()) {
return false;
}
TRY(file.truncate(size()));
if (file.seek(0, SeekMode::SetPosition).is_error() || m_file->seek(0, SeekMode::SetPosition).is_error()) {
return false;
}
TRY(file.seek(0, SeekMode::SetPosition));
TRY(m_file->seek(0, SeekMode::SetPosition));
while (true) {
Array<u8, 64 * KiB> buffer;
auto copy_buffer = m_file->read(buffer).release_value_but_fixme_should_propagate_errors();
auto copy_buffer = TRY(m_file->read(buffer));
if (copy_buffer.size() == 0)
break;
file.write(copy_buffer).release_value_but_fixme_should_propagate_errors();
TRY(file.write(copy_buffer));
}
for (auto& change : m_changes) {
file.seek(change.key, SeekMode::SetPosition).release_value_but_fixme_should_propagate_errors();
file.write({ &change.value, 1 }).release_value_but_fixme_should_propagate_errors();
TRY(file.seek(change.key, SeekMode::SetPosition));
TRY(file.write({ &change.value, 1 }));
}
return true;
return {};
}
HexDocument::Cell HexDocumentFile::get(size_t position)