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/*
* Copyright (c) 2020, the SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "Workbook.h"
#include "JSIntegration.h"
#include <AK/JsonArray.h>
#include <AK/JsonObject.h>
#include <AK/JsonObjectSerializer.h>
#include <AK/JsonParser.h>
#include <LibCore/File.h>
#include <LibJS/Parser.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <string.h>
namespace Spreadsheet {
static JS::VM& global_vm()
{
static RefPtr<JS::VM> vm;
if (!vm)
vm = JS::VM::create();
return *vm;
}
Workbook::Workbook(NonnullRefPtrVector<Sheet>&& sheets)
: m_sheets(move(sheets))
, m_interpreter(JS::Interpreter::create<JS::GlobalObject>(global_vm()))
, m_interpreter_scope(JS::VM::InterpreterExecutionScope(interpreter()))
{
m_workbook_object = interpreter().heap().allocate<WorkbookObject>(global_object(), *this);
global_object().put("workbook", workbook_object());
}
bool Workbook::set_filename(const String& filename)
{
if (m_current_filename == filename)
return false;
m_current_filename = filename;
return true;
}
Result<bool, String> Workbook::load(const StringView& filename)
{
auto file_or_error = Core::File::open(filename, Core::IODevice::OpenMode::ReadOnly);
if (file_or_error.is_error()) {
StringBuilder sb;
sb.append("Failed to open ");
sb.append(filename);
sb.append(" for reading. Error: ");
sb.append(file_or_error.error());
return sb.to_string();
}
auto json_value_option = JsonParser(file_or_error.value()->read_all()).parse();
if (!json_value_option.has_value()) {
StringBuilder sb;
sb.append("Failed to parse ");
sb.append(filename);
return sb.to_string();
}
auto& json_value = json_value_option.value();
if (!json_value.is_array()) {
StringBuilder sb;
sb.append("Did not find a spreadsheet in ");
sb.append(filename);
return sb.to_string();
}
NonnullRefPtrVector<Sheet> sheets;
auto& json_array = json_value.as_array();
json_array.for_each([&](auto& sheet_json) {
if (!sheet_json.is_object())
return IterationDecision::Continue;
auto sheet = Sheet::from_json(sheet_json.as_object(), *this);
if (!sheet)
return IterationDecision::Continue;
sheets.append(sheet.release_nonnull());
return IterationDecision::Continue;
});
m_sheets.clear();
m_sheets = move(sheets);
set_filename(filename);
return true;
}
Result<bool, String> Workbook::save(const StringView& filename)
{
JsonArray array;
for (auto& sheet : m_sheets)
array.append(sheet.to_json());
auto file_content = array.to_string();
auto file = Core::File::construct(filename);
file->open(Core::IODevice::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();
}
bool result = file->write(file_content);
if (!result) {
int error_number = errno;
StringBuilder sb;
sb.append("Unable to save file. Error: ");
sb.append(strerror(error_number));
return sb.to_string();
}
set_filename(filename);
return true;
}
}
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