xref: /aoo41x/main/starmath/inc/parse.hxx (revision 67e470da)
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21 
22 
23 #ifndef PARSE_HXX
24 #define PARSE_HXX
25 
26 
27 #include <vcl/svapp.hxx>
28 #include <tools/stack.hxx>
29 #include <tools/list.hxx>
30 #include <tools/string.hxx>
31 
32 #include <set>
33 #include <stack>
34 #include <list>
35 
36 #include "types.hxx"
37 
38 class SmNode;
39 class SmDocShell;
40 
41 //////////////////////////////////////////////////////////////////////
42 
43 // TokenGroups
44 #define TGOPER			0x00000001
45 #define TGRELATION		0x00000002
46 #define TGSUM			0x00000004
47 #define TGPRODUCT		0x00000008
48 #define TGUNOPER		0x00000010
49 #define TGPOWER 		0x00000020
50 #define TGATTRIBUT		0x00000040
51 #define TGALIGN 		0x00000080
52 #define TGFUNCTION		0x00000100
53 #define TGBLANK 		0x00000200
54 #define TGLBRACES		0x00000400
55 #define TGRBRACES		0x00000800
56 #define TGCOLOR 		0x00001000
57 #define TGFONT			0x00002000
58 #define TGSTANDALONE	0x00004000
59 #define TGDISCARDED		0x00008000
60 #define TGLIMIT			0x00010000
61 #define TGFONTATTR		0x00020000
62 
63 
64 enum SmTokenType
65 {
66 	TEND,			TLGROUP,		TRGROUP,		TLPARENT,		TRPARENT,
67 	TLBRACKET,		TRBRACKET,		TPLUS,			TMINUS,			TMULTIPLY,
68 	TDIVIDEBY,		TASSIGN,		TPOUND,			TSPECIAL,		TSLASH,
69 	TBACKSLASH,		TBLANK,			TSBLANK,		TRSUB,			TRSUP,
70 	TCSUB,			TCSUP,			TLSUB,			TLSUP,			TGT,
71 	TLT,			TAND,			TOR,			TINTERSECT,		TUNION,
72 	TNEWLINE,		TBINOM,			TFROM,			TTO,			TINT,
73 	TSUM,			TOPER,			TABS,			TSQRT,			TFACT,
74 	TNROOT,			TOVER,			TTIMES,			TGE,			TLE,
75 	TGG,			TLL,			TDOTSAXIS,		TDOTSLOW,		TDOTSVERT,
76 	TDOTSDIAG,		TDOTSUP,		TDOTSDOWN,		TACUTE,			TBAR,
77 	TBREVE,			TCHECK,			TCIRCLE,		TDOT,			TDDOT,
78 	TDDDOT,			TGRAVE,			THAT,			TTILDE,			TVEC,
79 	TUNDERLINE,		TOVERLINE,		TOVERSTRIKE,	TITALIC,		TNITALIC,
80 	TBOLD,			TNBOLD,			TPHANTOM,		TFONT,			TSIZE,
81 	TCOLOR,			TALIGNL,		TALIGNC,		TALIGNR,		TLEFT,
82 	TRIGHT,			TLANGLE,		TLBRACE,		TLLINE,			TLDLINE,
83 	TLCEIL,			TLFLOOR,		TNONE,			TMLINE,			TRANGLE,
84 	TRBRACE,		TRLINE,			TRDLINE,		TRCEIL,			TRFLOOR,
85 	TSIN,			TCOS,			TTAN,			TCOT,			TFUNC,
86 	TSTACK,			TMATRIX,		TMATFORM,		TDPOUND,		TPLACE,
87 	TTEXT,			TNUMBER,		TCHARACTER,		TIDENT,			TNEQ,
88 	TEQUIV,			TDEF,			TPROP,			TSIM,			TSIMEQ,
89 	TAPPROX,		TPARALLEL,		TORTHO,			TIN,			TNOTIN,
90 	TSUBSET,		TSUBSETEQ,		TSUPSET,		TSUPSETEQ,		TPLUSMINUS,
91 	TMINUSPLUS,		TOPLUS,			TOMINUS,		TDIV,			TOTIMES,
92 	TODIVIDE,		TTRANSL,		TTRANSR,		TIINT,			TIIINT,
93 	TLINT,			TLLINT,			TLLLINT,		TPROD,			TCOPROD,
94 	TFORALL,		TEXISTS,		TLIM,			TNABLA,			TTOWARD,
95 	TSINH,			TCOSH,			TTANH,			TCOTH,			TASIN,
96 	TACOS,			TATAN,			TLN,			TLOG,			TUOPER,
97 	TBOPER,			TBLACK,			TWHITE,			TRED,			TGREEN,
98 	TBLUE,			TCYAN,			TMAGENTA,		TYELLOW,		TFIXED,
99 	TSANS,			TSERIF,			TPOINT,			TASINH,			TACOSH,
100 	TATANH,			TACOTH,			TACOT,			TEXP,			TCDOT,
101 	TODOT,			TLESLANT,		TGESLANT,		TNSUBSET,		TNSUPSET,
102 	TNSUBSETEQ,		TNSUPSETEQ,		TPARTIAL,		TNEG,			TNI,
103 	TBACKEPSILON,	TALEPH,			TIM,			TRE,			TWP,
104 	TEMPTYSET,		TINFINITY,		TESCAPE,		TLIMSUP,		TLIMINF,
105 	TNDIVIDES,		TDRARROW,		TDLARROW,		TDLRARROW,		TUNDERBRACE,
106 	TOVERBRACE,		TCIRC,			TTOP,			THBAR,			TLAMBDABAR,
107 	TLEFTARROW,		TRIGHTARROW,	TUPARROW,		TDOWNARROW,		TDIVIDES,
108 	TNDIBVIDES,		TSETN,			TSETZ,			TSETQ,			TSETR,
109 	TSETC,			TWIDEVEC,		TWIDETILDE,		TWIDEHAT,		TWIDESLASH,
110 	TWIDEBACKSLASH, TLDBRACKET,		TRDBRACKET,     TNOSPACE,
111 	TUNKNOWN,		TDEBUG
112 };
113 
114 
115 struct SmToken
116 {
117 
118     String          aText;      // token text
119     SmTokenType     eType;      // token info
120     sal_Unicode		cMathChar;
121 
122     // parse-help info
123     sal_uLong       nGroup;
124     sal_uInt16      nLevel;
125 
126     // token position
127     sal_uInt16      nRow;
128     xub_StrLen      nCol;
129 
130 	SmToken();
131 };
132 
133 
134 enum SmParseError
135 {
136 	PE_NONE,					PE_UNEXPECTED_END_OF_INPUT,
137 	PE_UNEXPECTED_CHAR,			PE_UNEXPECTED_TOKEN,
138 	PE_FUNC_EXPECTED,			PE_UNOPER_EXPECTED,
139 	PE_BINOPER_EXPECTED,		PE_SYMBOL_EXPECTED,
140 	PE_IDENTIFIER_EXPECTED,		PE_POUND_EXPECTED,
141 	PE_COLOR_EXPECTED,			PE_LGROUP_EXPECTED,
142 	PE_RGROUP_EXPECTED,			PE_LBRACE_EXPECTED,
143 	PE_RBRACE_EXPECTED,			PE_PARENT_MISMATCH,
144 	PE_RIGHT_EXPECTED,			PE_FONT_EXPECTED,
145 	PE_SIZE_EXPECTED,			PE_DOUBLE_ALIGN,
146 	PE_DOUBLE_SUBSUPSCRIPT
147 };
148 
149 
150 struct SmErrorDesc
151 {
152 	SmParseError  Type;
153 	SmNode		 *pNode;
154 	String		  Text;
155 };
156 
157 
158 DECLARE_STACK(SmNodeStack,  SmNode *)
159 DECLARE_LIST(SmErrDescList, SmErrorDesc *)
160 
161 /**************************************************************************/
162 
163 // defines possible conversions of the formula text from the format of
164 // one release to the one of another.
165 enum SmConvert
166 {
167     CONVERT_NONE,
168     CONVERT_40_TO_50,
169     CONVERT_50_TO_60,
170     CONVERT_60_TO_50
171 };
172 
173 
174 class SmParser
175 {
176     String          m_aBufferString;
177     SmToken         m_aCurToken;
178     SmNodeStack     m_aNodeStack;
179     SmErrDescList   m_aErrDescList;
180     int             m_nCurError;
181     LanguageType    m_nLang;
182     xub_StrLen      m_nBufferIndex,
183                     m_nTokenIndex;
184     sal_uInt16          m_Row,
185                     m_nColOff;
186     SmConvert       m_eConversion;
187     sal_Bool        m_bImportSymNames,
188                     m_bExportSymNames;
189 
190     // map of used symbols (used to reduce file size by exporting only actually used symbols)
191     std::set< rtl::OUString >   m_aUsedSymbols;
192 
193 	// declare copy-constructor and assignment-operator private
194 	SmParser(const SmParser &);
195 	SmParser & operator = (const SmParser &);
196 
197 protected:
198 #if OSL_DEBUG_LEVEL
199 	sal_Bool			IsDelimiter( const String &rTxt, xub_StrLen nPos );
200 #endif
201 	void			NextToken();
GetTokenIndex() const202     xub_StrLen      GetTokenIndex() const   { return m_nTokenIndex; }
203 	void 			Insert(const String &rText, sal_uInt16 nPos);
204     void            Replace( sal_uInt16 nPos, sal_uInt16 nLen, const String &rText );
205 
206 	inline sal_Bool		TokenInGroup(sal_uLong nGroup);
207 
208 	// grammar
209 	void	Table();
210 	void	Line();
211 	void	Expression();
212 	void	Relation();
213 	void	Sum();
214 	void	Product();
215 	void	SubSup(sal_uLong nActiveGroup);
216 	void	OpSubSup();
217 	void 	Power();
218 	void	Blank();
219 	void	Term();
220 	void	Escape();
221 	void	Operator();
222 	void	Oper();
223 	void	UnOper();
224 	void	Align();
225 	void	FontAttribut();
226 	void	Attribut();
227 	void	Font();
228 	void	FontSize();
229 	void	Color();
230 	void	Brace();
231 	void	Bracebody(sal_Bool bIsLeftRight);
232 	void	Function();
233 	void	Binom();
234 	void	Stack();
235 	void	Matrix();
236 	void	Special();
237 	void	GlyphSpecial();
238 	// end of grammar
239 
GetLanguage() const240     LanguageType    GetLanguage() const { return m_nLang; }
SetLanguage(LanguageType nNewLang)241     void            SetLanguage( LanguageType nNewLang ) { m_nLang = nNewLang; }
242 
243 	void	Error(SmParseError Error);
244 
ClearUsedSymbols()245     void    ClearUsedSymbols()                              { m_aUsedSymbols.clear(); }
AddToUsedSymbols(const String & rSymbolName)246     void    AddToUsedSymbols( const String &rSymbolName )   { m_aUsedSymbols.insert( rSymbolName ); }
247 
248 public:
249                  SmParser();
250 
251 	SmNode		*Parse(const String &rBuffer);
252 
GetText() const253     const String & GetText() const { return m_aBufferString; };
254 
GetConversion() const255     SmConvert    GetConversion() const              { return m_eConversion; }
SetConversion(SmConvert eConv)256     void         SetConversion(SmConvert eConv)     { m_eConversion = eConv; }
257 
IsImportSymbolNames() const258     sal_Bool     IsImportSymbolNames() const        { return m_bImportSymNames; }
SetImportSymbolNames(sal_Bool bVal)259     void         SetImportSymbolNames(sal_Bool bVal)    { m_bImportSymNames = bVal; }
IsExportSymbolNames() const260     sal_Bool     IsExportSymbolNames() const        { return m_bExportSymNames; }
SetExportSymbolNames(sal_Bool bVal)261     void         SetExportSymbolNames(sal_Bool bVal)    { m_bExportSymNames = bVal; }
262 
263 	sal_uInt16		 AddError(SmParseError Type, SmNode *pNode);
264 
265 	const SmErrorDesc *	NextError();
266 	const SmErrorDesc *	PrevError();
267     const SmErrorDesc * GetError(sal_uInt16 i = 0xFFFF);
268 
IsUsedSymbol(const String & rSymbolName) const269     bool    IsUsedSymbol( const String &rSymbolName ) const { return m_aUsedSymbols.find( rSymbolName ) != m_aUsedSymbols.end(); }
GetUsedSymbols() const270     std::set< rtl::OUString >   GetUsedSymbols() const      { return m_aUsedSymbols; }
271 };
272 
273 
TokenInGroup(sal_uLong nGroup)274 inline sal_Bool SmParser::TokenInGroup(sal_uLong nGroup)
275 {
276     return (m_aCurToken.nGroup & nGroup) ? sal_True : sal_False;
277 }
278 
279 
280 #endif
281 
282