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/* -*- 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 .
*/
#ifndef INCLUDED_STARMATH_INC_PARSE_HXX
#define INCLUDED_STARMATH_INC_PARSE_HXX
#include <unotools/charclass.hxx>
#include <memory>
#include <set>
#include <vector>
#include "types.hxx"
#include "token.hxx"
#include "error.hxx"
#include "node.hxx"
class SmParser
{
OUString m_aBufferString;
SmToken m_aCurToken;
SmNodeStack m_aNodeStack;
std::vector<std::unique_ptr<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;
// 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;
SmParser(const SmParser&) = delete;
SmParser& operator=(const SmParser&) = delete;
void NextToken();
sal_Int32 GetTokenIndex() const { return m_nTokenIndex; }
void Replace( sal_Int32 nPos, sal_Int32 nLen, const OUString &rText );
inline bool TokenInGroup( TG nGroup );
// grammar
SmTableNode *DoTable();
void DoLine();
void DoExpression();
void DoRelation();
void DoSum();
void DoProduct();
void DoSubSup(TG nActiveGroup);
void DoOpSubSup();
void DoPower();
void DoBlank();
void DoTerm(bool bGroupNumberIdent);
void DoEscape();
void DoOperator();
void DoOper();
void DoUnOper();
void DoAlign();
void DoFontAttribut();
void DoAttribut();
void DoFont();
void DoFontSize();
void DoColor();
void DoBrace();
void DoBracebody(bool bIsLeftRight);
void DoFunction();
void DoBinom();
void DoStack();
void DoMatrix();
void DoSpecial();
void DoGlyphSpecial();
// end of grammar
void Error(SmParseError Error);
public:
SmParser();
/** Parse rBuffer to formula tree */
SmTableNode *Parse(const OUString &rBuffer);
/** Parse rBuffer to formula subtree that constitutes an expression */
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; }
void AddError(SmParseError Type, SmNode *pNode);
const SmErrorDesc* NextError();
const SmErrorDesc* PrevError();
const SmErrorDesc* GetError(size_t i);
static const SmTokenTableEntry* GetTokenTableEntry( const OUString &rName );
const std::set< OUString >& GetUsedSymbols() const { return m_aUsedSymbols; }
};
inline bool SmParser::TokenInGroup( TG nGroup)
{
return bool(m_aCurToken.nGroup & nGroup);
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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