/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * 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 "wordexportbase.hxx" #include #include SmWordExportBase::SmWordExportBase(const SmNode* pIn) : m_pTree(pIn) { } SmWordExportBase::~SmWordExportBase() = default; void SmWordExportBase::HandleNode(const SmNode* pNode, int nLevel) { SAL_INFO("starmath.wordbase", "Node: " << nLevel << " " << int(pNode->GetType()) << " " << pNode->GetNumSubNodes()); switch (pNode->GetType()) { case SmNodeType::Attribute: HandleAttribute(static_cast(pNode), nLevel); break; case SmNodeType::Text: HandleText(pNode, nLevel); break; case SmNodeType::VerticalBrace: HandleVerticalBrace(static_cast(pNode), nLevel); break; case SmNodeType::Brace: HandleBrace(static_cast(pNode), nLevel); break; case SmNodeType::Oper: HandleOperator(static_cast(pNode), nLevel); break; case SmNodeType::UnHor: HandleUnaryOperation(static_cast(pNode), nLevel); break; case SmNodeType::BinHor: HandleBinaryOperation(static_cast(pNode), nLevel); break; case SmNodeType::BinVer: HandleFractions(pNode, nLevel, nullptr); break; case SmNodeType::Root: HandleRoot(static_cast(pNode), nLevel); break; case SmNodeType::Special: { auto pText = static_cast(pNode); //if the token str and the result text are the same then this //is to be seen as text, else assume it's a mathchar if (pText->GetText() == pText->GetToken().aText) HandleText(pText, nLevel); else HandleMath(pText, nLevel); break; } case SmNodeType::Math: case SmNodeType::MathIdent: HandleMath(pNode, nLevel); break; case SmNodeType::SubSup: HandleSubSupScript(static_cast(pNode), nLevel); break; case SmNodeType::Expression: HandleAllSubNodes(pNode, nLevel); break; case SmNodeType::Table: //Root Node, PILE equivalent, i.e. vertical stack HandleTable(pNode, nLevel); break; case SmNodeType::Matrix: HandleMatrix(static_cast(pNode), nLevel); break; case SmNodeType::Line: { // TODO HandleAllSubNodes(pNode, nLevel); } break; #if 0 case SmNodeType::Align: HandleMAlign(pNode,nLevel); break; #endif case SmNodeType::Place: // explicitly do nothing, MSOffice treats that as a placeholder if item is missing break; case SmNodeType::Blank: HandleBlank(); break; default: HandleAllSubNodes(pNode, nLevel); break; } } //Root Node, PILE equivalent, i.e. vertical stack void SmWordExportBase::HandleTable(const SmNode* pNode, int nLevel) { //The root of the starmath is a table, if //we convert this them each iteration of //conversion from starmath to Word will //add an extra unnecessary level to the //Word output stack which would grow //without bound in a multi step conversion if (nLevel || pNode->GetNumSubNodes() > 1) HandleVerticalStack(pNode, nLevel); else HandleAllSubNodes(pNode, nLevel); } void SmWordExportBase::HandleAllSubNodes(const SmNode* pNode, int nLevel) { int size = pNode->GetNumSubNodes(); for (int i = 0; i < size; ++i) { // TODO remove when all types of nodes are handled properly if (pNode->GetSubNode(i) == nullptr) { SAL_WARN("starmath.wordbase", "Subnode is NULL, parent node not handled properly"); continue; } HandleNode(pNode->GetSubNode(i), nLevel + 1); } } void SmWordExportBase::HandleUnaryOperation(const SmUnHorNode* pNode, int nLevel) { // update HandleMath() when adding new items SAL_INFO("starmath.wordbase", "Unary: " << int(pNode->GetToken().eType)); HandleAllSubNodes(pNode, nLevel); } void SmWordExportBase::HandleBinaryOperation(const SmBinHorNode* pNode, int nLevel) { SAL_INFO("starmath.wordbase", "Binary: " << int(pNode->Symbol()->GetToken().eType)); // update HandleMath() when adding new items switch (pNode->Symbol()->GetToken().eType) { case TDIVIDEBY: return HandleFractions(pNode, nLevel, "lin"); default: HandleAllSubNodes(pNode, nLevel); break; } } void SmWordExportBase::HandleMath(const SmNode* pNode, int nLevel) { SAL_INFO("starmath.wordbase", "Math: " << int(pNode->GetToken().eType)); switch (pNode->GetToken().eType) { case TDIVIDEBY: case TACUTE: OSL_ASSERT(false); [[fallthrough]]; // the above are handled elsewhere, e.g. when handling BINHOR default: HandleText(pNode, nLevel); break; } } void SmWordExportBase::HandleSubSupScript(const SmSubSupNode* pNode, int nLevel) { // set flags to a bitfield of which sub/sup items exists int flags = (pNode->GetSubSup(CSUB) != nullptr ? (1 << CSUB) : 0) | (pNode->GetSubSup(CSUP) != nullptr ? (1 << CSUP) : 0) | (pNode->GetSubSup(RSUB) != nullptr ? (1 << RSUB) : 0) | (pNode->GetSubSup(RSUP) != nullptr ? (1 << RSUP) : 0) | (pNode->GetSubSup(LSUB) != nullptr ? (1 << LSUB) : 0) | (pNode->GetSubSup(LSUP) != nullptr ? (1 << LSUP) : 0); HandleSubSupScriptInternal(pNode, nLevel, flags); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ hm/libreoffice-6-4+backports LibreOffice 核心代码仓库文档基金会
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