starmath/source/mathtype.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <node.hxx>
  23
  24 #include <o3tl/sorted_vector.hxx>
  25
  26 class SfxMedium;
  27 class SotStorage;
  28 class SvStream;
  29
  30 class MathTypeFont
  31 {
  32 public:
  33     sal_uInt8 nTface;
  34     sal_uInt8 nStyle;
  35     MathTypeFont() : nTface(0),nStyle(0) {}
  36     explicit MathTypeFont(sal_uInt8 nFace) : nTface(nFace),nStyle(0) {}
  37     void AppendStyleToText(OUString &rS);
  38 };
  39
  40 struct LessMathTypeFont
  41 {
  42     bool operator() (const MathTypeFont &rValue1,
  43         const MathTypeFont &rValue2) const
  44     {
  45         return rValue1.nTface < rValue2.nTface;
  46     }
  47 };
  48
  49 typedef o3tl::sorted_vector< MathTypeFont, LessMathTypeFont > MathTypeFontSet;
  50
  51 class MathType
  52 {
  53 public:
  54     explicit MathType(OUStringBuffer &rIn)
  55         : nVersion(0)
  56         , pS(nullptr)
  57         , rRet(rIn)
  58         , pTree(nullptr)
  59         , nHAlign(0)
  60         , nPendingAttributes(0)
  61         , nInsertion(0)
  62         , nLSize(0)
  63         , nDSize(0)
  64         , nCurSize(0)
  65         , nLastSize(0)
  66         , nSpec(0)
  67         , bIsReInterpBrace(false)
  68         , nPostSup(0)
  69         , nPostlSup(0)
  70         , nTypeFace(0)
  71     {
  72         Init();
  73     }
  74
  75     MathType(OUStringBuffer &rIn,SmNode *pIn)
  76         : nVersion(0)
  77         , pS(nullptr)
  78         , rRet(rIn)
  79         , pTree(pIn)
  80         , nHAlign(2)
  81         , nPendingAttributes(0)
  82         , nInsertion(0)
  83         , nLSize(0)
  84         , nDSize(0)
  85         , nCurSize(0)
  86         , nLastSize(0)
  87         , nSpec(0)
  88         , bIsReInterpBrace(false)
  89         , nPostSup(0)
  90         , nPostlSup(0)
  91         , nTypeFace(0)
  92     {
  93         Init();
  94     }
  95
  96     bool Parse(SotStorage* pStor);
  97     bool Parse(SvStream* pStream);
  98     bool ConvertFromStarMath( SfxMedium& rMedium );
  99
 100 private:
 101 /*Ver 2 Header*/
 102     sal_uInt8 nVersion;
 103
 104     SvStream* pS;
 105
 106     void Init();
 107
 108     bool HandleRecords(int nLevel, sal_uInt8 nSelector =0xFF,
 109         sal_uInt8 nVariation =0xFF, int nRows =0, int nCols =0);
 110     bool HandleSize(sal_Int16 nLSize, sal_Int16 nDSize, int &rSetSize);
 111     void HandleAlign(sal_uInt8 nHAlign, int &rSetAlign);
 112     bool HandlePile(int &rSetAlign, int nLevel, sal_uInt8 nSelector, sal_uInt8 nVariation);
 113     bool HandleMatrix(int nLevel, sal_uInt8 nSelector, sal_uInt8 nVariarion);
 114     void HandleMatrixSeparator(int nMatrixRows, int nMatrixCols, int &rCurCol, int &rCurRow);
 115     bool HandleTemplate(int nLevel, sal_uInt8 &rSelector, sal_uInt8 &rVariation,
 116         sal_Int32 &rLastTemplateBracket);
 117     void HandleEmblishments();
 118     void HandleSetSize();
 119     bool HandleChar(sal_Int32 &rTextStart, int &rSetSize, int nLevel,
 120         sal_uInt8 nTag, sal_uInt8 nSelector, sal_uInt8 nVariation, bool bSilent);
 121     void HandleNudge();
 122
 123     static int xfLMOVE(sal_uInt8 nTest) {return nTest&0x80;}
 124     static int xfAUTO(sal_uInt8 nTest) {return nTest&0x10;}
 125     static int xfEMBELL(sal_uInt8 nTest) {return nTest&0x20;}
 126     static int xfNULL(sal_uInt8 nTest) {return nTest&0x10;}
 127
 128     void HandleNodes(SmNode *pNode,int nLevel);
 129     int StartTemplate(sal_uInt16 nSelector,sal_uInt16 nVariation=0);
 130     void EndTemplate(int nOldPendingAttributes);
 131     void HandleSmMatrix(SmMatrixNode *pMatrix,int nLevel);
 132     void HandleTable(SmNode *pNode,int nLevel);
 133     void HandleRoot(SmNode *pNode,int nLevel);
 134     void HandleSubSupScript(SmNode *pNode,int nLevel);
 135     sal_uInt8 HandleCScript(SmNode *pNode,SmNode *pContent,int nLevel,
 136         sal_uInt64 *pPos=nullptr,bool bTest=true);
 137     void HandleFractions(SmNode *pNode,int nLevel);
 138     void HandleBrace(SmNode *pNode,int nLevel);
 139     void HandleVerticalBrace(SmNode *pNode,int nLevel);
 140     void HandleOperator(SmNode *pNode,int nLevel);
 141     bool HandleLim(SmNode *pNode,int nLevel);
 142     void HandleMAlign(SmNode *pNode,int nLevel);
 143     void HandleMath(SmNode *pNode);
 144     void HandleText(SmNode *pNode);
 145     void HandleAttributes(SmNode *pNode,int nLevel);
 146     void TypeFaceToString(OUString &rRet,sal_uInt8 nFace);
 147
 148     OUStringBuffer &rRet;
 149     SmNode *pTree;
 150
 151     sal_uInt8 nHAlign;
 152
 153     int nPendingAttributes;
 154     sal_uInt64 nInsertion;
 155
 156     sal_Int16 nLSize;
 157     sal_Int16 nDSize;
 158     sal_Int16 nCurSize;
 159     sal_Int16 nLastSize;
 160     sal_uInt8 nSpec;
 161     bool  bIsReInterpBrace;
 162     OUStringBuffer sPost;
 163     sal_Int32 nPostSup;
 164     sal_Int32 nPostlSup;
 165     sal_uInt8 nTypeFace;
 166     MathTypeFontSet aUserStyles;
 167
 168     enum MTOKENS {END,LINE,CHAR,TMPL,PILE,MATRIX,EMBEL,RULER,FONT,SIZE};
 169     enum MTEMPLATES
 170     {
 171         tmANGLE,tmPAREN,tmBRACE,tmBRACK,tmBAR,tmDBAR,tmFLOOR,tmCEILING,
 172         tmLBLB,tmRBRB,tmRBLB,tmLBRP,tmLPRB,tmROOT,tmFRACT,tmSCRIPT,tmUBAR,
 173         tmOBAR,tmLARROW,tmRARROW,tmBARROW,tmSINT,tmDINT,tmTINT,tmSSINT,
 174         tmDSINT,tmTSINT,tmUHBRACE,tmLHBRACE,tmSUM,tmISUM,tmPROD,tmIPROD,
 175         tmCOPROD,tmICOPROD,tmUNION,tmIUNION,tmINTER,tmIINTER,tmLIM,tmLDIV,
 176         tmSLFRACT,tmINTOP,tmSUMOP,tmLSCRIPT,tmDIRAC,tmUARROW,tmOARROW,
 177         tmOARC
 178     };
 179 public:
 180     static bool LookupChar(sal_Unicode nChar,OUStringBuffer &rRet,
 181         sal_uInt8 nVersion,sal_uInt8 nTypeFace=0);
 182 };
 183
 184 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */