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HexEditor: Port to Core::Stream

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This commit is contained in:
Lucas CHOLLET 2023-01-14 21:47:50 -05:00 • committed by Andrew Kaster
parent b1d8404c92
commit 3d914247cc
7 changed files with 58 additions and 57 deletions
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57
Userland/Applications/HexEditor/HexDocument.cpp
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@ -5,6 +5,7 @@
*/
#include "HexDocument.h"
#include <LibCore/Stream.h>
void HexDocument::set(size_t position, u8 value)
{
@ -57,20 +58,20 @@ void HexDocumentMemory::clear_changes()
m_changes.clear();
}
bool HexDocumentMemory::write_to_file(NonnullRefPtr<Core::File> file)
bool HexDocumentMemory::write_to_file(Core::Stream::File& file)
{
if (!file->seek(0))
if (file.seek(0, SeekMode::SetPosition).is_error())
return false;
if (!file->write(m_buffer.data(), m_buffer.size()))
if (file.write(m_buffer).is_error())
return false;
for (auto& change : m_changes) {
file->seek(change.key, SeekMode::SetPosition);
file->write(&change.value, 1);
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();
}
return true;
}
ErrorOr<NonnullOwnPtr<HexDocumentFile>> HexDocumentFile::create(NonnullRefPtr<Core::File> file)
ErrorOr<NonnullOwnPtr<HexDocumentFile>> HexDocumentFile::create(NonnullOwnPtr<Core::Stream::File> file)
{
auto document = TRY(adopt_nonnull_own_or_enomem(new HexDocumentFile(move(file))));
// FIXME: Remove this hackery
@ -79,42 +80,43 @@ ErrorOr<NonnullOwnPtr<HexDocumentFile>> HexDocumentFile::create(NonnullRefPtr<Co
return document;
}
HexDocumentFile::HexDocumentFile(NonnullRefPtr<Core::File> file)
: m_file(file)
HexDocumentFile::HexDocumentFile(NonnullOwnPtr<Core::Stream::File> file)
: m_file(move(file))
{
}
void HexDocumentFile::write_to_file()
{
for (auto& change : m_changes) {
m_file->seek(change.key, SeekMode::SetPosition);
m_file->write(&change.value, 1);
m_file->seek(change.key, SeekMode::SetPosition).release_value_but_fixme_should_propagate_errors();
m_file->write({ &change.value, 1 }).release_value_but_fixme_should_propagate_errors();
}
clear_changes();
// make sure the next get operation triggers a read
m_buffer_file_pos = m_file_size + 1;
}
bool HexDocumentFile::write_to_file(NonnullRefPtr<Core::File> file)
bool HexDocumentFile::write_to_file(Core::Stream::File& file)
{
if (!file->truncate(size())) {
if (file.truncate(size()).is_error()) {
return false;
}
if (!file->seek(0) || !m_file->seek(0)) {
if (file.seek(0, SeekMode::SetPosition).is_error() || m_file->seek(0, SeekMode::SetPosition).is_error()) {
return false;
}
while (true) {
auto copy_buffer = m_file->read(64 * KiB);
Array<u8, 64 * KiB> buffer;
auto copy_buffer = m_file->read(buffer).release_value_but_fixme_should_propagate_errors();
if (copy_buffer.size() == 0)
break;
file->write(copy_buffer.data(), copy_buffer.size());
file.write(copy_buffer).release_value_but_fixme_should_propagate_errors();
}
for (auto& change : m_changes) {
file->seek(change.key, SeekMode::SetPosition);
file->write(&change.value, 1);
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();
}
return true;
@ -152,24 +154,23 @@ void HexDocumentFile::clear_changes()
m_changes.clear();
}
void HexDocumentFile::set_file(NonnullRefPtr<Core::File> file)
void HexDocumentFile::set_file(NonnullOwnPtr<Core::Stream::File> file)
{
m_file = file;
m_file = move(file);
off_t size = 0;
if (!file->seek(0, SeekMode::FromEndPosition, &size)) {
if (auto result = m_file->seek(0, SeekMode::FromEndPosition); result.is_error())
m_file_size = 0;
} else {
m_file_size = size;
}
file->seek(0, SeekMode::SetPosition);
else
m_file_size = result.value();
m_file->seek(0, SeekMode::SetPosition).release_value_but_fixme_should_propagate_errors();
clear_changes();
// make sure the next get operation triggers a read
m_buffer_file_pos = m_file_size + 1;
}
NonnullRefPtr<Core::File> HexDocumentFile::file() const
NonnullOwnPtr<Core::Stream::File> const& HexDocumentFile::file() const
{
return m_file;
}
@ -177,8 +178,8 @@ NonnullRefPtr<Core::File> HexDocumentFile::file() const
void HexDocumentFile::ensure_position_in_buffer(size_t position)
{
if (position < m_buffer_file_pos || position >= m_buffer_file_pos + m_buffer.size()) {
m_file->seek(position, SeekMode::SetPosition);
m_file->read(m_buffer.data(), m_buffer.size());
m_file->seek(position, SeekMode::SetPosition).release_value_but_fixme_should_propagate_errors();
m_file->read(m_buffer).release_value_but_fixme_should_propagate_errors();
m_buffer_file_pos = position;
}
}