/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/*

 * This file is part of the libetonyek project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 */

#include "IWORKFormulaElement.h"

#include "libetonyek_xml.h"

#include "IWORKDictionary.h"

#include "IWORKFormula.h"

#include "IWORKRefContext.h"

#include "IWORKStringElement.h"

#include "IWORKToken.h"

#include "IWORKTypes.h"

namespace libetonyek

{

namespace

{

class FmElement : public IWORKXMLEmptyContextBase

{

public:

  explicit FmElement(IWORKXMLParserState &state);

private:

  IWORKXMLContextPtr_t element(int name) override;

};

FmElement::FmElement(IWORKXMLParserState &state)

  : IWORKXMLEmptyContextBase(state)

{

}

IWORKXMLContextPtr_t FmElement::element(int /*name*/)

{

  // TODO: sfa:pair as child

  static bool first=true;

  if (first)

  {

    ETONYEK_DEBUG_MSG(("FmElement::element: found some elements, ignored\n"));

    first=false;

  }

  return IWORKXMLContextPtr_t();

}

}

namespace

{

class HostCellIdElement : public IWORKXMLEmptyContextBase

{

public:

  explicit HostCellIdElement(IWORKXMLParserState &state);

private:

  void attribute(int name, const char *value) override;

  void endOfElement() override;

  boost::optional<unsigned> m_col, m_row;

};

HostCellIdElement::HostCellIdElement(IWORKXMLParserState &state)

  : IWORKXMLEmptyContextBase(state)

  , m_col()

  , m_row()

{

}

void HostCellIdElement::attribute(const int name, const char *const value)

{

  switch (name)

  {

  case IWORKToken::column | IWORKToken::NS_URI_SF:

    m_col = int_cast(value);

    break;

  case IWORKToken::row | IWORKToken::NS_URI_SF:

    m_row = int_cast(value);

    break;

  default :

    IWORKXMLEmptyContextBase::attribute(name, value);

  }

}

void HostCellIdElement::endOfElement()

{

  if (!m_col || !m_row)

  {

    ETONYEK_DEBUG_MSG(("HostCellIdElement::endOfElement: can not find cell position\n"));

    return;

  }

  getState().m_tableData->m_formulaHC = 256*get(m_row)+get(m_col);

}

}

namespace

{

class CellAddressElement : public IWORKXMLEmptyContextBase

{

public:

  explicit CellAddressElement(IWORKXMLParserState &state);

private:

  void attribute(int name, const char *value) override;

  void endOfElement() override;

  boost::optional<unsigned> m_x, m_y;

};

CellAddressElement::CellAddressElement(IWORKXMLParserState &state)

  : IWORKXMLEmptyContextBase(state)

  , m_x()

  , m_y()

{

}

void CellAddressElement::attribute(const int name, const char *const value)

{

  switch (name)

  {

  case IWORKToken::x_coordinate | IWORKToken::NS_URI_SF:

    m_x = int_cast(value);

    break;

  case IWORKToken::y_coordinate | IWORKToken::NS_URI_SF:

    m_y = int_cast(value);

    break;

  default :

    IWORKXMLEmptyContextBase::attribute(name, value);

  }

}

void CellAddressElement::endOfElement()

{

  if (!m_x || !m_y)

  {

    ETONYEK_DEBUG_MSG(("CellAddressElement::endOfElement: can not find cell position\n"));

    return;

  }

  getState().m_tableData->m_formulaHC = 256*get(m_y)+get(m_x);

}

}

// FoElement

IWORKFoElement::IWORKFoElement(IWORKXMLParserState &state)

  : IWORKXMLEmptyContextBase(state)

  , m_id()

  , m_formula()

  , m_hc()

{

}

const boost::optional<ID_t> &IWORKFoElement::getId() const

{

  return m_id;

}

void IWORKFoElement::attribute(const int name, const char *const value)

{

  switch (name)

  {

  case IWORKToken::NS_URI_SFA | IWORKToken::ID:

    m_id = value;

    break;

  case IWORKToken::fs | IWORKToken::NS_URI_SF :

    m_formula=value;

    break;

  case IWORKToken::hc | IWORKToken::NS_URI_SF :

    m_hc=int_cast(value);

    break;

  case IWORKToken::ht | IWORKToken::NS_URI_SF : // big string

    break;

  default :

    IWORKXMLEmptyContextBase::attribute(name, value);

    break;

  }

}

IWORKXMLContextPtr_t IWORKFoElement::element(int name)

{

  switch (name)

  {

  case IWORKToken::fm | IWORKToken::NS_URI_SF :

    return std::make_shared<FmElement>(getState());

    break;

  default:

    break;

  }

  ETONYEK_DEBUG_MSG(("IWORKFoElement::element: find unknown element %d\n", name));

  return IWORKXMLContextPtr_t();

}

void IWORKFoElement::endOfElement()

{

  if (!m_formula) return;

  IWORKFormulaPtr_t formula(new IWORKFormula(m_hc));

  if (!formula->parse(get(m_formula)))

    return;

  getState().m_tableData->m_formula = formula;

  getState().m_tableData->m_formulaHC = m_hc;

  if (getId())

    getState().getDictionary().m_formulas[get(getId())]=formula;

}

// OfElement

IWORKOfElement::IWORKOfElement(IWORKXMLParserState &state)

  : IWORKXMLEmptyContextBase(state)

  , m_ref()

  , m_hc()

{

}

void IWORKOfElement::attribute(const int name, const char *const value)

{

  switch (name)

  {

  case IWORKToken::hc | IWORKToken::NS_URI_SF :

    m_hc=int_cast(value);

    break;

  default :

    IWORKXMLEmptyContextBase::attribute(name, value);

    break;

  }

}

IWORKXMLContextPtr_t IWORKOfElement::element(int name)

{

  switch (name)

  {

  case IWORKToken::fm | IWORKToken::NS_URI_SF :

    return std::make_shared<FmElement>(getState());

    break;

  case IWORKToken::mf_ref | IWORKToken::NS_URI_SF :

    return std::make_shared<IWORKRefContext>(getState(), m_ref);

  default:

    break;

  }

  ETONYEK_DEBUG_MSG(("IWORKOfElement::element: find unknown element %d\n", name));

  return IWORKXMLContextPtr_t();

}

void IWORKOfElement::endOfElement()

{

  if (!m_ref)

  {

    ETONYEK_DEBUG_MSG(("IWORKOfElement::endOfElement: can not find the ref\n"));

    return;

  }

  const IWORKFormulaMap_t::const_iterator it = getState().getDictionary().m_formulas.find(get(m_ref));

  if (it==getState().getDictionary().m_formulas.end())

  {

    ETONYEK_DEBUG_MSG(("IWORKOfElement::endOfElement: can not find the ref %s\n", get(m_ref).c_str()));

    return;

  }

  getState().m_tableData->m_formula = it->second;

  getState().m_tableData->m_formulaHC = m_hc;

}

// formula

IWORKFormulaElement::IWORKFormulaElement(IWORKXMLParserState &state)

  : IWORKXMLEmptyContextBase(state)

  , m_id()

  , m_formula()

  , m_hc()

{

}

const boost::optional<ID_t> &IWORKFormulaElement::getId() const

{

  return m_id;

}

void IWORKFormulaElement::attribute(const int name, const char *const value)

{

  switch (name)

  {

  case IWORKToken::NS_URI_SFA | IWORKToken::ID:

    m_id = value;

    break;

  default :

    IWORKXMLEmptyContextBase::attribute(name, value);

    break;

  }

}

IWORKXMLContextPtr_t IWORKFormulaElement::element(int name)

{

  switch (name)

  {

  case IWORKToken::formula_string | IWORKToken::NS_URI_SF :

    return std::make_shared<IWORKStringElement>(getState(), m_formula);

  case IWORKToken::host_cell_ID | IWORKToken::NS_URI_SF :

    return std::make_shared<HostCellIdElement>(getState());

  case IWORKToken::host_table_ID | IWORKToken::NS_URI_SF :

    break;

  default:

    ETONYEK_DEBUG_MSG(("IWORKFormulaElement::element: find unknown element %d\n", name));

  }

  return IWORKXMLContextPtr_t();

}

void IWORKFormulaElement::endOfElement()

{

  if (!m_formula) return;

  IWORKFormulaPtr_t formula(new IWORKFormula(getState().m_tableData->m_formulaHC));

  if (!formula->parse(get(m_formula)))

    return;

  getState().m_tableData->m_formula = formula;

  if (getId())

    getState().getDictionary().m_formulas[get(getId())]=formula;

}

// TableCellFormula

IWORKTableCellFormulaElement::IWORKTableCellFormulaElement(IWORKXMLParserState &state)

  : IWORKXMLEmptyContextBase(state)

  , m_id()

  , m_formula()

  , m_tableId()

{

}

const boost::optional<ID_t> &IWORKTableCellFormulaElement::getId() const

{

  return m_id;

}

void IWORKTableCellFormulaElement::attribute(const int name, const char *const value)

{

  switch (name)

  {

  case IWORKToken::NS_URI_SFA | IWORKToken::ID:

    m_id = value;

    break;

  default :

    IWORKXMLEmptyContextBase::attribute(name, value);

    break;

  }

}

IWORKXMLContextPtr_t IWORKTableCellFormulaElement::element(int name)

{

  switch (name)

  {

  case IWORKToken::formula_string | IWORKToken::NS_URI_SF :

    return std::make_shared<IWORKStringElement>(getState(), m_formula);

  case IWORKToken::cell_address | IWORKToken::NS_URI_SF :

    return std::make_shared<CellAddressElement>(getState());

  case IWORKToken::host_table_ID | IWORKToken::NS_URI_SF :

    return std::make_shared<IWORKStringElement>(getState(), m_tableId);

  default:

    ETONYEK_DEBUG_MSG(("IWORKTableCellFormulaElement::element: find unknown element %d\n", name));

  }

  return IWORKXMLContextPtr_t();

}

void IWORKTableCellFormulaElement::endOfElement()

{

  if (!m_formula) return;

  IWORKFormulaPtr_t formula(new IWORKFormula(getState().m_tableData->m_formulaHC));

  if (!formula->parse(get(m_formula)))

    return;

  getState().m_tableData->m_formula = formula;

  if (getId())

    getState().getDictionary().m_formulas[get(getId())]=formula;

}

}

/* vim:set shiftwidth=2 softtabstop=2 expandtab: */