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libreoffice/starmath/source/mathml/element.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

234 lines
9.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* This file is part of the LibreOffice 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 <mathml/element.hxx>
namespace
{
constexpr SmMlAttributePos MlAttributeListMi[] = {
// clang-format off
{ SmMlAttributeValueType::MlHref, 0 },
{ SmMlAttributeValueType::MlDir, 1 },
{ SmMlAttributeValueType::MlMathbackground, 2 },
{ SmMlAttributeValueType::MlMathcolor, 3 },
{ SmMlAttributeValueType::MlDisplaystyle, 4 },
{ SmMlAttributeValueType::MlMathsize, 5 },
{ SmMlAttributeValueType::MlMathvariant, 6 }
// clang-format on
};
constexpr SmMlAttributePos MlAttributeListMerror[] = {
// clang-format off
{ SmMlAttributeValueType::MlHref, 0 },
{ SmMlAttributeValueType::MlMathbackground, 1 },
{ SmMlAttributeValueType::MlMathcolor, 2 },
{ SmMlAttributeValueType::MlDisplaystyle, 3 }
// clang-format on
};
constexpr SmMlAttributePos MlAttributeListMn[] = {
// clang-format off
{ SmMlAttributeValueType::MlHref, 0 },
{ SmMlAttributeValueType::MlDir, 1 },
{ SmMlAttributeValueType::MlMathbackground, 2 },
{ SmMlAttributeValueType::MlMathcolor, 3 },
{ SmMlAttributeValueType::MlDisplaystyle, 4 },
{ SmMlAttributeValueType::MlMathsize, 5 },
{ SmMlAttributeValueType::MlMathvariant, 6 }
// clang-format on
};
constexpr SmMlAttributePos MlAttributeListMo[] = {
// clang-format off
{ SmMlAttributeValueType::MlHref, 0 },
{ SmMlAttributeValueType::MlDir, 1 },
{ SmMlAttributeValueType::MlMathbackground, 2 },
{ SmMlAttributeValueType::MlMathcolor, 3 },
{ SmMlAttributeValueType::MlDisplaystyle, 4 },
{ SmMlAttributeValueType::MlMathsize, 5 },
{ SmMlAttributeValueType::MlMathvariant, 6 },
{ SmMlAttributeValueType::MlFence, 7 },
{ SmMlAttributeValueType::MlForm, 8 },
{ SmMlAttributeValueType::MlMaxsize, 9 },
{ SmMlAttributeValueType::MlMinsize, 10 },
{ SmMlAttributeValueType::MlMovablelimits, 11 },
{ SmMlAttributeValueType::MlLspace, 12 },
{ SmMlAttributeValueType::MlRspace, 13 },
{ SmMlAttributeValueType::MlAccent, 14 },
{ SmMlAttributeValueType::MlStretchy, 15 },
{ SmMlAttributeValueType::MlSeparator, 16 },
{ SmMlAttributeValueType::MlSymmetric, 17 }
// clang-format on
};
constexpr SmMlAttributePos MlAttributeListMrow[] = {
// clang-format off
{ SmMlAttributeValueType::MlHref, 0 },
{ SmMlAttributeValueType::MlDir, 1 },
{ SmMlAttributeValueType::MlMathbackground, 2 },
{ SmMlAttributeValueType::MlMathcolor, 3 }
// clang-format on
};
constexpr SmMlAttributePos MlAttributeListMtext[] = {
// clang-format off
{ SmMlAttributeValueType::MlHref, 0 },
{ SmMlAttributeValueType::MlDir, 1 },
{ SmMlAttributeValueType::MlMathbackground, 2 },
{ SmMlAttributeValueType::MlMathcolor, 3 },
{ SmMlAttributeValueType::MlDisplaystyle, 4 },
{ SmMlAttributeValueType::MlMathsize, 5 },
{ SmMlAttributeValueType::MlMathvariant, 6 }
// clang-format on
};
constexpr SmMlAttributePos MlAttributeListMstyle[] = {
// clang-format off
{ SmMlAttributeValueType::MlHref, 0 },
{ SmMlAttributeValueType::MlDir, 1 },
{ SmMlAttributeValueType::MlMathbackground, 2 },
{ SmMlAttributeValueType::MlMathcolor, 3 },
{ SmMlAttributeValueType::MlDisplaystyle, 4 },
{ SmMlAttributeValueType::MlMathsize, 5 },
{ SmMlAttributeValueType::MlMathvariant, 6 },
{ SmMlAttributeValueType::MlFence, 7 },
{ SmMlAttributeValueType::MlForm, 8 },
{ SmMlAttributeValueType::MlMaxsize, 9 },
{ SmMlAttributeValueType::MlMinsize, 10 },
{ SmMlAttributeValueType::MlMovablelimits, 11 },
{ SmMlAttributeValueType::MlLspace, 12 },
{ SmMlAttributeValueType::MlRspace, 13 },
{ SmMlAttributeValueType::MlAccent, 14 },
{ SmMlAttributeValueType::MlStretchy, 15 },
{ SmMlAttributeValueType::MlSeparator, 16 },
{ SmMlAttributeValueType::MlSymmetric, 17 }
// clang-format on
};
/// Generates an attribute vector of default values from an attribute position list.
/// @param aAttributePosList
/// @return attribute vector
std::vector<SmMlAttribute> makeMlAttributeList(std::span<SmMlAttributePos> aAttributePosList)
{
std::vector<SmMlAttribute> aAttributeList(aAttributePosList.size());
for (size_t i = 0; i < aAttributePosList.size(); ++i)
{
aAttributeList[i].setMlAttributeValueType(aAttributePosList[i].m_aAttributeValueType);
}
return aAttributeList;
}
}
void SmMlElement::SmImplAttributeType()
{
switch (m_aElementType)
{
case SmMlElementType::NMlEmpty:
m_aAttributePosList = std::vector<SmMlAttributePos>(0);
break;
case SmMlElementType::NMlStructural:
m_aAttributePosList = std::vector<SmMlAttributePos>(0);
break;
case SmMlElementType::NMlSmNode:
m_aAttributePosList = std::vector<SmMlAttributePos>(0);
break;
case SmMlElementType::MlMath:
m_aAttributePosList = std::vector<SmMlAttributePos>(0);
//m_aAttributePosList = std::vector<SmMlAttributePos>(std::begin(starmathdatabase::MlAttributeListMath), std::end(starmathdatabase::MlAttributeListMath));
break;
case SmMlElementType::MlMi:
m_aAttributePosList = std::vector<SmMlAttributePos>(std::begin(MlAttributeListMi),
std::end(MlAttributeListMi));
break;
case SmMlElementType::MlMerror:
m_aAttributePosList = std::vector<SmMlAttributePos>(std::begin(MlAttributeListMerror),
std::end(MlAttributeListMerror));
break;
case SmMlElementType::MlMn:
m_aAttributePosList = std::vector<SmMlAttributePos>(std::begin(MlAttributeListMn),
std::end(MlAttributeListMn));
break;
case SmMlElementType::MlMo:
m_aAttributePosList = std::vector<SmMlAttributePos>(std::begin(MlAttributeListMo),
std::end(MlAttributeListMo));
break;
case SmMlElementType::MlMrow:
m_aAttributePosList = std::vector<SmMlAttributePos>(std::begin(MlAttributeListMrow),
std::end(MlAttributeListMrow));
break;
case SmMlElementType::MlMtext:
m_aAttributePosList = std::vector<SmMlAttributePos>(std::begin(MlAttributeListMtext),
std::end(MlAttributeListMtext));
break;
case SmMlElementType::MlMstyle:
m_aAttributePosList = std::vector<SmMlAttributePos>(std::begin(MlAttributeListMstyle),
std::end(MlAttributeListMstyle));
break;
default:
break;
}
// Create attribute vector with given pattern
m_aAttributeList = makeMlAttributeList(m_aAttributePosList);
}
SmMlAttribute SmMlElement::getAttribute(SmMlAttributeValueType aAttributeType) const
{
// Look for the attribute position and return if exists
for (size_t i = 0; i < m_aAttributePosList.size(); ++i)
{
if (m_aAttributePosList[i].m_aAttributeValueType == aAttributeType)
return m_aAttributeList[m_aAttributePosList[i].m_nPos];
}
return SmMlAttribute();
}
bool SmMlElement::isAttributeSet(SmMlAttributeValueType aAttributeType) const
{
// Look for the attribute position and return if exists
for (size_t i = 0; i < m_aAttributePosList.size(); ++i)
{
if (m_aAttributePosList[i].m_aAttributeValueType == aAttributeType)
return m_aAttributeList[m_aAttributePosList[i].m_nPos].isSet();
}
return false;
}
void SmMlElement::setAttribute(const SmMlAttribute* aAttribute)
{
// Look for the attribute position and assign if exists
for (size_t i = 0; i < m_aAttributePosList.size(); ++i)
{
if (m_aAttributePosList[i].m_aAttributeValueType == aAttribute->getMlAttributeValueType())
{
m_aAttributeList[m_aAttributePosList[i].m_nPos].setMlAttributeValue(aAttribute);
break;
}
}
}
void SmMlElement::setSubElement(size_t nPos, SmMlElement* aElement)
{
// This is the new parent element
aElement->setParentElement(this);
aElement->setSubElementId(nPos);
// Check if the vector is long enough
// Careful nOldSize can be 0 and -1 will underflow
// We must put something on the empty locations
size_t nOldSize = m_aSubElements.size();
if (nPos + 1 > nOldSize)
{
m_aSubElements.resize(nPos + 1);
for (; nOldSize < nPos; ++nOldSize)
m_aSubElements[nOldSize] = nullptr;
}
// Assign value
m_aSubElements[nPos] = aElement;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */