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/*
* Copyright (c) 2020-2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Cell.h"
#include "Forward.h"
#include "Readers/XSV.h"
#include <AK/HashMap.h>
#include <AK/HashTable.h>
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <AK/Traits.h>
#include <AK/Types.h>
#include <AK/WeakPtr.h>
#include <AK/Weakable.h>
#include <LibCore/Object.h>
#include <LibJS/Interpreter.h>
namespace Spreadsheet {
class Sheet : public Core::Object {
C_OBJECT(Sheet);
public:
constexpr static size_t default_row_count = 100;
constexpr static size_t default_column_count = 26;
~Sheet();
Optional<Position> parse_cell_name(const StringView&) const;
Optional<size_t> column_index(const StringView& column_name) const;
Optional<String> column_arithmetic(const StringView& column_name, int offset);
Cell* from_url(const URL&);
const Cell* from_url(const URL& url) const { return const_cast<Sheet*>(this)->from_url(url); }
Optional<Position> position_from_url(const URL& url) const;
/// Resolve 'offset' to an absolute position assuming 'base' is at 'offset_base'.
/// Effectively, "Walk the distance between 'offset' and 'offset_base' away from 'base'".
Position offset_relative_to(const Position& base, const Position& offset, const Position& offset_base) const;
JsonObject to_json() const;
static RefPtr<Sheet> from_json(const JsonObject&, Workbook&);
Vector<Vector<String>> to_xsv() const;
static RefPtr<Sheet> from_xsv(const Reader::XSV&, Workbook&);
const String& name() const { return m_name; }
void set_name(const StringView& name) { m_name = name; }
JsonObject gather_documentation() const;
const HashTable<Position>& selected_cells() const { return m_selected_cells; }
HashTable<Position>& selected_cells() { return m_selected_cells; }
const HashMap<Position, NonnullOwnPtr<Cell>>& cells() const { return m_cells; }
HashMap<Position, NonnullOwnPtr<Cell>>& cells() { return m_cells; }
Cell* at(const Position& position);
const Cell* at(const Position& position) const { return const_cast<Sheet*>(this)->at(position); }
const Cell* at(const StringView& name) const { return const_cast<Sheet*>(this)->at(name); }
Cell* at(const StringView&);
const Cell& ensure(const Position& position) const { return const_cast<Sheet*>(this)->ensure(position); }
Cell& ensure(const Position& position)
{
if (auto cell = at(position))
return *cell;
m_cells.set(position, make<Cell>(String::empty(), position, *this));
return *at(position);
}
size_t add_row();
String add_column();
size_t row_count() const { return m_rows; }
size_t column_count() const { return m_columns.size(); }
const Vector<String>& columns() const { return m_columns; }
const String& column(size_t index)
{
for (size_t i = column_count(); i < index; ++i)
add_column();
VERIFY(column_count() > index);
return m_columns[index];
}
const String& column(size_t index) const
{
VERIFY(column_count() > index);
return m_columns[index];
}
void update();
void update(Cell&);
void disable_updates() { m_should_ignore_updates = true; }
void enable_updates()
{
m_should_ignore_updates = false;
if (m_update_requested) {
m_update_requested = false;
update();
}
}
struct ValueAndException {
JS::Value value;
JS::Exception* exception { nullptr };
};
ValueAndException evaluate(const StringView&, Cell* = nullptr);
JS::Interpreter& interpreter() const;
SheetGlobalObject& global_object() const { return *m_global_object; }
Cell*& current_evaluated_cell() { return m_current_cell_being_evaluated; }
bool has_been_visited(Cell* cell) const { return m_visited_cells_in_update.contains(cell); }
const Workbook& workbook() const { return m_workbook; }
enum class CopyOperation {
Copy,
Cut
};
void copy_cells(Vector<Position> from, Vector<Position> to, Optional<Position> resolve_relative_to = {}, CopyOperation copy_operation = CopyOperation::Copy);
/// Gives the bottom-right corner of the smallest bounding box containing all the written data.
Position written_data_bounds() const;
bool columns_are_standard() const;
String generate_inline_documentation_for(StringView function, size_t argument_index);
private:
explicit Sheet(Workbook&);
explicit Sheet(const StringView& name, Workbook&);
String m_name;
Vector<String> m_columns;
size_t m_rows { 0 };
HashMap<Position, NonnullOwnPtr<Cell>> m_cells;
HashTable<Position> m_selected_cells;
Workbook& m_workbook;
mutable SheetGlobalObject* m_global_object;
Cell* m_current_cell_being_evaluated { nullptr };
HashTable<Cell*> m_visited_cells_in_update;
bool m_should_ignore_updates { false };
bool m_update_requested { false };
mutable Optional<JsonObject> m_cached_documentation;
};
}
namespace AK {
template<>
struct Traits<Spreadsheet::Position> : public GenericTraits<Spreadsheet::Position> {
static constexpr bool is_trivial() { return false; }
static unsigned hash(const Spreadsheet::Position& p)
{
return p.hash();
}
};
}
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