ladybird/Userland/Applications/Spreadsheet/Workbook.cpp
davidot 2d4b345bb1 Spreadsheet: Enable dynamic import of javascript modules
This has some risks as it can (attempt to) load arbitrary files on the
filesystem but for now it can only load local files which do go through
normal file operations. But let's enable it for now to see what we can
do with it.
2022-01-22 01:21:18 +00:00

113 lines
3.5 KiB
C++

/*
* Copyright (c) 2020-2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Workbook.h"
#include "ExportDialog.h"
#include "ImportDialog.h"
#include "JSIntegration.h"
#include "LibGUI/MessageBox.h"
#include "Readers/CSV.h"
#include <AK/ByteBuffer.h>
#include <AK/StringView.h>
#include <LibCore/File.h>
#include <LibCore/MimeData.h>
#include <LibFileSystemAccessClient/Client.h>
#include <LibGUI/TextBox.h>
#include <LibGUI/Window.h>
#include <LibJS/Runtime/GlobalObject.h>
namespace Spreadsheet {
Workbook::Workbook(NonnullRefPtrVector<Sheet>&& sheets, GUI::Window& parent_window)
: m_sheets(move(sheets))
, m_vm(JS::VM::create())
, m_interpreter(JS::Interpreter::create<JS::GlobalObject>(m_vm))
, m_interpreter_scope(*m_interpreter)
, m_main_execution_context(m_vm->heap())
, m_parent_window(parent_window)
{
m_workbook_object = m_vm->heap().allocate<WorkbookObject>(m_interpreter->global_object(), *this, m_interpreter->global_object());
m_interpreter->global_object().define_direct_property("workbook", workbook_object(), JS::default_attributes);
m_main_execution_context.current_node = nullptr;
m_main_execution_context.this_value = &m_interpreter->global_object();
m_main_execution_context.function_name = "(global execution context)"sv;
m_main_execution_context.lexical_environment = &m_interpreter->realm().global_environment();
m_main_execution_context.variable_environment = &m_interpreter->realm().global_environment();
m_main_execution_context.realm = &m_interpreter->realm();
m_main_execution_context.is_strict_mode = true;
MUST(m_vm->push_execution_context(m_main_execution_context, m_interpreter->global_object()));
m_vm->enable_default_host_import_module_dynamically_hook();
}
bool Workbook::set_filename(const String& filename)
{
if (m_current_filename == filename)
return false;
m_current_filename = filename;
return true;
}
Result<bool, String> Workbook::open_file(Core::File& file)
{
auto mime = Core::guess_mime_type_based_on_filename(file.filename());
// Make an import dialog, we might need to import it.
auto result = ImportDialog::make_and_run_for(m_parent_window, mime, file, *this);
if (result.is_error())
return result.error();
m_sheets = result.release_value();
set_filename(file.filename());
return true;
}
Result<bool, String> Workbook::load(StringView filename)
{
auto response = FileSystemAccessClient::Client::the().try_request_file_read_only_approved(&m_parent_window, filename);
if (response.is_error()) {
StringBuilder sb;
sb.append("Failed to open ");
sb.append(filename);
sb.append(" for reading. Error: ");
sb.appendff("{}", response.error());
return sb.to_string();
}
return open_file(*response.value());
}
Result<bool, String> Workbook::save(StringView filename)
{
auto mime = Core::guess_mime_type_based_on_filename(filename);
auto file = Core::File::construct(filename);
file->open(Core::OpenMode::WriteOnly);
if (!file->is_open()) {
StringBuilder sb;
sb.append("Failed to open ");
sb.append(filename);
sb.append(" for write. Error: ");
sb.append(file->error_string());
return sb.to_string();
}
// Make an export dialog, we might need to import it.
auto result = ExportDialog::make_and_run_for(mime, *file, *this);
if (result.is_error())
return result.error();
set_filename(filename);
set_dirty(false);
return true;
}
}