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
281
|
/**************************************************************
*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef PARSE_HXX
#define PARSE_HXX
#include <vcl/svapp.hxx>
#include <tools/stack.hxx>
#include <tools/list.hxx>
#include <tools/string.hxx>
#include <set>
#include <stack>
#include <list>
#include "types.hxx"
class SmNode;
class SmDocShell;
//////////////////////////////////////////////////////////////////////
// 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
{
TEND, TLGROUP, TRGROUP, TLPARENT, TRPARENT,
TLBRACKET, TRBRACKET, TPLUS, TMINUS, TMULTIPLY,
TDIVIDEBY, TASSIGN, TPOUND, TSPECIAL, TSLASH,
TBACKSLASH, TBLANK, TSBLANK, TRSUB, TRSUP,
TCSUB, TCSUP, TLSUB, TLSUP, TGT,
TLT, TAND, TOR, TINTERSECT, TUNION,
TNEWLINE, TBINOM, TFROM, TTO, TINT,
TSUM, TOPER, TABS, TSQRT, TFACT,
TNROOT, TOVER, TTIMES, TGE, TLE,
TGG, TLL, TDOTSAXIS, TDOTSLOW, TDOTSVERT,
TDOTSDIAG, TDOTSUP, TDOTSDOWN, TACUTE, TBAR,
TBREVE, TCHECK, TCIRCLE, TDOT, TDDOT,
TDDDOT, TGRAVE, THAT, TTILDE, TVEC,
TUNDERLINE, TOVERLINE, TOVERSTRIKE, TITALIC, TNITALIC,
TBOLD, TNBOLD, TPHANTOM, TFONT, TSIZE,
TCOLOR, TALIGNL, TALIGNC, TALIGNR, TLEFT,
TRIGHT, TLANGLE, TLBRACE, TLLINE, TLDLINE,
TLCEIL, TLFLOOR, TNONE, TMLINE, TRANGLE,
TRBRACE, TRLINE, TRDLINE, TRCEIL, TRFLOOR,
TSIN, TCOS, TTAN, TCOT, TFUNC,
TSTACK, TMATRIX, TMATFORM, TDPOUND, TPLACE,
TTEXT, TNUMBER, TCHARACTER, TIDENT, TNEQ,
TEQUIV, TDEF, TPROP, TSIM, TSIMEQ,
TAPPROX, TPARALLEL, TORTHO, TIN, TNOTIN,
TSUBSET, TSUBSETEQ, TSUPSET, TSUPSETEQ, TPLUSMINUS,
TMINUSPLUS, TOPLUS, TOMINUS, TDIV, TOTIMES,
TODIVIDE, TTRANSL, TTRANSR, TIINT, TIIINT,
TLINT, TLLINT, TLLLINT, TPROD, TCOPROD,
TFORALL, TEXISTS, TLIM, TNABLA, TTOWARD,
TSINH, TCOSH, TTANH, TCOTH, TASIN,
TACOS, TATAN, TLN, TLOG, TUOPER,
TBOPER, TBLACK, TWHITE, TRED, TGREEN,
TBLUE, TCYAN, TMAGENTA, TYELLOW, TFIXED,
TSANS, TSERIF, TPOINT, TASINH, TACOSH,
TATANH, TACOTH, TACOT, TEXP, TCDOT,
TODOT, TLESLANT, TGESLANT, TNSUBSET, TNSUPSET,
TNSUBSETEQ, TNSUPSETEQ, TPARTIAL, TNEG, TNI,
TBACKEPSILON, TALEPH, TIM, TRE, TWP,
TEMPTYSET, TINFINITY, TESCAPE, TLIMSUP, TLIMINF,
TNDIVIDES, TDRARROW, TDLARROW, TDLRARROW, TUNDERBRACE,
TOVERBRACE, TCIRC, TTOP, THBAR, TLAMBDABAR,
TLEFTARROW, TRIGHTARROW, TUPARROW, TDOWNARROW, TDIVIDES,
TNDIBVIDES, TSETN, TSETZ, TSETQ, TSETR,
TSETC, TWIDEVEC, TWIDETILDE, TWIDEHAT, TWIDESLASH,
TWIDEBACKSLASH, TLDBRACKET, TRDBRACKET, TNOSPACE,
TUNKNOWN, TDEBUG
};
struct SmToken
{
String aText; // token text
SmTokenType eType; // token info
sal_Unicode cMathChar;
// parse-help info
sal_uLong nGroup;
sal_uInt16 nLevel;
// token position
sal_uInt16 nRow;
xub_StrLen nCol;
SmToken();
};
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;
String Text;
};
DECLARE_STACK(SmNodeStack, SmNode *)
DECLARE_LIST(SmErrDescList, SmErrorDesc *)
/**************************************************************************/
// defines possible conversions of the formula text from the format of
// one release to the one of another.
enum SmConvert
{
CONVERT_NONE,
CONVERT_40_TO_50,
CONVERT_50_TO_60,
CONVERT_60_TO_50
};
class SmParser
{
String m_aBufferString;
SmToken m_aCurToken;
SmNodeStack m_aNodeStack;
SmErrDescList m_aErrDescList;
int m_nCurError;
LanguageType m_nLang;
xub_StrLen m_nBufferIndex,
m_nTokenIndex;
sal_uInt16 m_Row,
m_nColOff;
SmConvert m_eConversion;
sal_Bool m_bImportSymNames,
m_bExportSymNames;
// map of used symbols (used to reduce file size by exporting only actually used symbols)
std::set< rtl::OUString > m_aUsedSymbols;
// declare copy-constructor and assignment-operator private
SmParser(const SmParser &);
SmParser & operator = (const SmParser &);
protected:
#if OSL_DEBUG_LEVEL
sal_Bool IsDelimiter( const String &rTxt, xub_StrLen nPos );
#endif
void NextToken();
xub_StrLen GetTokenIndex() const { return m_nTokenIndex; }
void Insert(const String &rText, sal_uInt16 nPos);
void Replace( sal_uInt16 nPos, sal_uInt16 nLen, const String &rText );
inline sal_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();
void Escape();
void Operator();
void Oper();
void UnOper();
void Align();
void FontAttribut();
void Attribut();
void Font();
void FontSize();
void Color();
void Brace();
void Bracebody(sal_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 String &rSymbolName ) { m_aUsedSymbols.insert( rSymbolName ); }
public:
SmParser();
SmNode *Parse(const String &rBuffer);
const String & GetText() const { return m_aBufferString; };
SmConvert GetConversion() const { return m_eConversion; }
void SetConversion(SmConvert eConv) { m_eConversion = eConv; }
sal_Bool IsImportSymbolNames() const { return m_bImportSymNames; }
void SetImportSymbolNames(sal_Bool bVal) { m_bImportSymNames = bVal; }
sal_Bool IsExportSymbolNames() const { return m_bExportSymNames; }
void SetExportSymbolNames(sal_Bool bVal) { m_bExportSymNames = bVal; }
sal_uInt16 AddError(SmParseError Type, SmNode *pNode);
const SmErrorDesc * NextError();
const SmErrorDesc * PrevError();
const SmErrorDesc * GetError(sal_uInt16 i = 0xFFFF);
bool IsUsedSymbol( const String &rSymbolName ) const { return m_aUsedSymbols.find( rSymbolName ) != m_aUsedSymbols.end(); }
std::set< rtl::OUString > GetUsedSymbols() const { return m_aUsedSymbols; }
};
inline sal_Bool SmParser::TokenInGroup(sal_uLong nGroup)
{
return (m_aCurToken.nGroup & nGroup) ? sal_True : sal_False;
}
#endif
|
