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Diffstat (limited to 'starmath/inc/parse5.hxx')
-rw-r--r-- | starmath/inc/parse5.hxx | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/starmath/inc/parse5.hxx b/starmath/inc/parse5.hxx new file mode 100644 index 000000000..5b7237867 --- /dev/null +++ b/starmath/inc/parse5.hxx @@ -0,0 +1,122 @@ +/* -*- 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +/** Parses the starmath code and creates the nodes. + * + */ + +#pragma once + +#include "parsebase.hxx" +#include <unotools/charclass.hxx> + +class SmParser5 final : public AbstractSmParser +{ + OUString m_aBufferString; + SmToken m_aCurToken; + ESelection m_aCurESelection; + std::vector<SmErrorDesc> m_aErrDescList; + int m_nCurError; + sal_Int32 m_nBufferIndex, m_nTokenIndex; + sal_Int32 m_nRow, // 1-based + m_nColOff; // 0-based + bool m_bImportSymNames, m_bExportSymNames; + sal_Int32 m_nParseDepth; + + // map of used symbols (used to reduce file size by exporting only actually used symbols) + std::set<OUString> m_aUsedSymbols; + + // CharClass representing a locale for parsing numbers + CharClass m_aNumCC; + // pointer to System locale's CharClass, which is alive inside SM_MOD() + const CharClass* m_pSysCC; + + SmParser5(const SmParser5&) = delete; + SmParser5& operator=(const SmParser5&) = delete; + + // Moves between tokens inside starmath code. + void NextToken(); + void NextTokenColor(SmTokenType dvipload); + void NextTokenFontSize(); + sal_Int32 GetTokenIndex() const { return m_nTokenIndex; } + void Replace(sal_Int32 nPos, sal_Int32 nLen, const OUString& rText); + + inline bool TokenInGroup(TG nGroup); + + // grammar + std::unique_ptr<SmTableNode> DoTable(); + std::unique_ptr<SmNode> DoLine(); + std::unique_ptr<SmNode> DoExpression(bool bUseExtraSpaces = true); + std::unique_ptr<SmNode> DoRelation(); + std::unique_ptr<SmNode> DoSum(); + std::unique_ptr<SmNode> DoProduct(); + std::unique_ptr<SmNode> DoSubSup(TG nActiveGroup, std::unique_ptr<SmNode> xGivenNode); + std::unique_ptr<SmNode> DoSubSupEvaluate(std::unique_ptr<SmNode> xGivenNode); + std::unique_ptr<SmNode> DoOpSubSup(); + std::unique_ptr<SmNode> DoPower(); + std::unique_ptr<SmBlankNode> DoBlank(); + std::unique_ptr<SmNode> DoTerm(bool bGroupNumberIdent); + std::unique_ptr<SmNode> DoEscape(); + std::unique_ptr<SmOperNode> DoOperator(); + std::unique_ptr<SmNode> DoOper(); + std::unique_ptr<SmStructureNode> DoUnOper(); + std::unique_ptr<SmNode> DoAlign(bool bUseExtraSpaces = true); + std::unique_ptr<SmStructureNode> DoFontAttribute(); + std::unique_ptr<SmStructureNode> DoAttribute(); + std::unique_ptr<SmStructureNode> DoFont(); + std::unique_ptr<SmStructureNode> DoFontSize(); + std::unique_ptr<SmStructureNode> DoColor(); + std::unique_ptr<SmStructureNode> DoBrace(); + std::unique_ptr<SmBracebodyNode> DoBracebody(bool bIsLeftRight); + std::unique_ptr<SmNode> DoEvaluate(); + std::unique_ptr<SmTextNode> DoFunction(); + std::unique_ptr<SmTableNode> DoBinom(); + std::unique_ptr<SmBinVerNode> DoFrac(); + std::unique_ptr<SmStructureNode> DoStack(); + std::unique_ptr<SmStructureNode> DoMatrix(); + std::unique_ptr<SmSpecialNode> DoSpecial(); + std::unique_ptr<SmGlyphSpecialNode> DoGlyphSpecial(); + std::unique_ptr<SmExpressionNode> DoError(SmParseError Error); + // end of grammar + +public: + SmParser5(); + virtual ~SmParser5(); + + /** Parse rBuffer to formula tree */ + std::unique_ptr<SmTableNode> Parse(const OUString& rBuffer); + /** Parse rBuffer to formula subtree that constitutes an expression */ + std::unique_ptr<SmNode> ParseExpression(const OUString& rBuffer); + + const OUString& GetText() const { return m_aBufferString; }; + + bool IsImportSymbolNames() const { return m_bImportSymNames; } + void SetImportSymbolNames(bool bVal) { m_bImportSymNames = bVal; } + bool IsExportSymbolNames() const { return m_bExportSymNames; } + void SetExportSymbolNames(bool bVal) { m_bExportSymNames = bVal; } + + const SmErrorDesc* NextError(); + const SmErrorDesc* PrevError(); + const SmErrorDesc* GetError() const; + const std::set<OUString>& GetUsedSymbols() const { return m_aUsedSymbols; } +}; + +inline bool SmParser5::TokenInGroup(TG nGroup) { return bool(m_aCurToken.nGroup & nGroup); } + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |