1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
/* -*- 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 <vcl/svapp.hxx>
#include <set>
#include <stack>
#include <list>
#include "types.hxx"
#include <vector>
class SmNode;
// TokenGroups
#define TGOPER 0x00000001
#define TGRELATION 0x00000002
#define TGSUM 0x00000004
#define TGPRODUCT 0x00000008
#define TGUNOPER 0x00000010
#define TGPOWER 0x00000020
#define TGATTRIBUT 0x00000040
#define TGALIGN 0x00000080
#define TGFUNCTION 0x00000100
#define TGBLANK 0x00000200
#define TGLBRACES 0x00000400
#define TGRBRACES 0x00000800
#define TGCOLOR 0x00001000
#define TGFONT 0x00002000
#define TGSTANDALONE 0x00004000
#define TGDISCARDED 0x00008000
#define TGLIMIT 0x00010000
#define TGFONTATTR 0x00020000
enum SmTokenType
{
/* 0*/ TEND, TLGROUP, TRGROUP, TLPARENT, TRPARENT,
/* 5*/ TLBRACKET, TRBRACKET, TPLUS, TMINUS, TMULTIPLY,
/* 10*/ TDIVIDEBY, TASSIGN, TPOUND, TSPECIAL, TSLASH,
/* 15*/ TBACKSLASH, TBLANK, TSBLANK, TRSUB, TRSUP,
/* 20*/ TCSUB, TCSUP, TLSUB, TLSUP, TGT,
/* 25*/ TLT, TAND, TOR, TINTERSECT, TUNION,
/* 30*/ TNEWLINE, TBINOM, TFROM, TTO, TINT,
/* 35*/ TSUM, TOPER, TABS, TSQRT, TFACT,
/* 40*/ TNROOT, TOVER, TTIMES, TGE, TLE,
/* 45*/ TGG, TLL, TDOTSAXIS, TDOTSLOW, TDOTSVERT,
/* 50*/ TDOTSDIAG, TDOTSUP, TDOTSDOWN, TACUTE, TBAR,
/* 55*/ TBREVE, TCHECK, TCIRCLE, TDOT, TDDOT,
/* 60*/ TDDDOT, TGRAVE, THAT, TTILDE, TVEC,
/* 65*/ TUNDERLINE, TOVERLINE, TOVERSTRIKE, TITALIC, TNITALIC,
/* 70*/ TBOLD, TNBOLD, TPHANTOM, TFONT, TSIZE,
/* 75*/ TCOLOR, TALIGNL, TALIGNC, TALIGNR, TLEFT,
/* 80*/ TRIGHT, TLANGLE, TLBRACE, TLLINE, TLDLINE,
/* 85*/ TLCEIL, TLFLOOR, TNONE, TMLINE, TRANGLE,
/* 90*/ TRBRACE, TRLINE, TRDLINE, TRCEIL, TRFLOOR,
/* 95*/ TSIN, TCOS, TTAN, TCOT, TFUNC,
/*100*/ TSTACK, TMATRIX, TMATFORM, TDPOUND, TPLACE,
/*105*/ TTEXT, TNUMBER, TCHARACTER, TIDENT, TNEQ,
/*110*/ TEQUIV, TDEF, TPROP, TSIM, TSIMEQ,
/*115*/ TAPPROX, TPARALLEL, TORTHO, TIN, TNOTIN,
/*120*/ TSUBSET, TSUBSETEQ, TSUPSET, TSUPSETEQ, TPLUSMINUS,
/*125*/ TMINUSPLUS, TOPLUS, TOMINUS, TDIV, TOTIMES,
/*130*/ TODIVIDE, TTRANSL, TTRANSR, TIINT, TIIINT,
/*135*/ TLINT, TLLINT, TLLLINT, TPROD, TCOPROD,
/*140*/ TFORALL, TEXISTS, TNOTEXISTS, TLIM, TNABLA,
/*145*/ TTOWARD, TSINH, TCOSH, TTANH, TCOTH,
/*150*/ TASIN, TACOS, TATAN, TLN, TLOG,
/*155*/ TUOPER, TBOPER, TBLACK, TWHITE, TRED,
/*160*/ TGREEN, TBLUE, TCYAN, TMAGENTA, TYELLOW,
/*165*/ TFIXED, TSANS, TSERIF, TPOINT, TASINH,
/*170*/ TACOSH, TATANH, TACOTH, TACOT, TEXP,
/*175*/ TCDOT, TODOT, TLESLANT, TGESLANT, TNSUBSET,
/*180*/ TNSUPSET, TNSUBSETEQ, TNSUPSETEQ, TPARTIAL, TNEG,
/*185*/ TNI, TBACKEPSILON, TALEPH, TIM, TRE,
/*190*/ TWP, TEMPTYSET, TINFINITY, TESCAPE, TLIMSUP,
/*195*/ TLIMINF, TNDIVIDES, TDRARROW, TDLARROW, TDLRARROW,
/*200*/ TUNDERBRACE, TOVERBRACE, TCIRC, TTOP, THBAR,
/*205*/ TLAMBDABAR, TLEFTARROW, TRIGHTARROW, TUPARROW, TDOWNARROW,
/*210*/ TDIVIDES, TNDIBVIDES, TSETN, TSETZ, TSETQ,
/*215*/ TSETR, TSETC, TWIDEVEC, TWIDETILDE, TWIDEHAT,
/*220*/ TWIDESLASH, TWIDEBACKSLASH, TLDBRACKET, TRDBRACKET, TNOSPACE,
/*225*/ TUNKNOWN, TDEBUG, TPRECEDES, TSUCCEEDS, TPRECEDESEQUAL,
/*230*/ TSUCCEEDSEQUAL, TPRECEDESEQUIV, TSUCCEEDSEQUIV, TNOTPRECEDES, TNOTSUCCEEDS,
/*235*/ TINTD
};
struct SmToken
{
OUString aText; // token text
SmTokenType eType; // token info
sal_Unicode cMathChar;
// parse-help info
sal_uLong nGroup;
sal_uInt16 nLevel;
// token position
sal_Int32 nRow;
sal_Int32 nCol;
SmToken();
SmToken(SmTokenType eTokenType,
sal_Unicode cMath,
const sal_Char* pText,
sal_uLong nTokenGroup = 0,
sal_uInt16 nTokenLevel = 0);
};
enum SmParseError
{
PE_NONE, PE_UNEXPECTED_END_OF_INPUT,
PE_UNEXPECTED_CHAR, PE_UNEXPECTED_TOKEN,
PE_FUNC_EXPECTED, PE_UNOPER_EXPECTED,
PE_BINOPER_EXPECTED, PE_SYMBOL_EXPECTED,
PE_IDENTIFIER_EXPECTED, PE_POUND_EXPECTED,
PE_COLOR_EXPECTED, PE_LGROUP_EXPECTED,
PE_RGROUP_EXPECTED, PE_LBRACE_EXPECTED,
PE_RBRACE_EXPECTED, PE_PARENT_MISMATCH,
PE_RIGHT_EXPECTED, PE_FONT_EXPECTED,
PE_SIZE_EXPECTED, PE_DOUBLE_ALIGN,
PE_DOUBLE_SUBSUPSCRIPT
};
struct SmErrorDesc
{
SmParseError Type;
SmNode *pNode;
OUString Text;
};
typedef ::std::stack< SmNode* > SmNodeStack;
typedef ::std::vector< SmErrorDesc* > SmErrDescList;
/**************************************************************************/
struct SmTokenTableEntry
{
const sal_Char* pIdent;
SmTokenType eType;
sal_Unicode cMathChar;
sal_uLong nGroup;
sal_uInt16 nLevel;
};
class SmParser
{
OUString m_aBufferString;
SmToken m_aCurToken;
SmNodeStack m_aNodeStack;
SmErrDescList m_aErrDescList;
int m_nCurError;
LanguageType m_nLang;
sal_Int32 m_nBufferIndex,
m_nTokenIndex;
sal_Int32 m_Row,
m_nColOff;
bool bImportSymNames,
m_bExportSymNames;
// map of used symbols (used to reduce file size by exporting only actually used symbols)
std::set< OUString > m_aUsedSymbols;
//! locale where '.' is decimal separator!
::com::sun::star::lang::Locale m_aDotLoc;
// declare copy-constructor and assignment-operator private
SmParser(const SmParser &);
SmParser & operator = (const SmParser &);
protected:
#if OSL_DEBUG_LEVEL > 1
bool IsDelimiter( const OUString &rTxt, sal_Int32 nPos );
#endif
void NextToken();
sal_Int32 GetTokenIndex() const { return m_nTokenIndex; }
void Replace( sal_Int32 nPos, sal_Int32 nLen, const OUString &rText );
inline bool TokenInGroup( sal_uLong nGroup );
// grammar
void Table();
void Line();
void Expression();
void Relation();
void Sum();
void Product();
void SubSup(sal_uLong nActiveGroup);
void OpSubSup();
void Power();
void Blank();
void Term(bool bGroupNumberIdent);
void Escape();
void Operator();
void Oper();
void UnOper();
void Align();
void FontAttribut();
void Attribut();
void Font();
void FontSize();
void Color();
void Brace();
void Bracebody(bool bIsLeftRight);
void Function();
void Binom();
void Stack();
void Matrix();
void Special();
void GlyphSpecial();
// end of grammar
LanguageType GetLanguage() const { return m_nLang; }
void SetLanguage( LanguageType nNewLang ) { m_nLang = nNewLang; }
void Error(SmParseError Error);
void ClearUsedSymbols() { m_aUsedSymbols.clear(); }
void AddToUsedSymbols( const OUString &rSymbolName ) { m_aUsedSymbols.insert( rSymbolName ); }
public:
SmParser();
/** Parse rBuffer to formula tree */
SmNode *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 bImportSymNames; }
void SetImportSymbolNames(bool bVal) { bImportSymNames = bVal; }
bool IsExportSymbolNames() const { return m_bExportSymNames; }
void SetExportSymbolNames(bool bVal) { m_bExportSymNames = bVal; }
size_t AddError(SmParseError Type, SmNode *pNode);
const SmErrorDesc* NextError();
const SmErrorDesc* PrevError();
const SmErrorDesc* GetError(size_t i = size_t(-1) );
static const SmTokenTableEntry* GetTokenTableEntry( const OUString &rName );
bool IsUsedSymbol( const OUString &rSymbolName ) const { return m_aUsedSymbols.find( rSymbolName ) != m_aUsedSymbols.end(); }
std::set< OUString > GetUsedSymbols() const { return m_aUsedSymbols; }
};
inline bool SmParser::TokenInGroup( sal_uLong nGroup)
{
return (m_aCurToken.nGroup & nGroup) ? true : false;
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
