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
|
/* -*- 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_SW_INC_CALC_HXX
#define INCLUDED_SW_INC_CALC_HXX
#include <memory>
#include <vector>
#include <basic/sbxvar.hxx>
#include <unotools/syslocale.hxx>
#include <rtl/ustrbuf.hxx>
#include <tools/solar.h>
#include "swdllapi.h"
class CharClass;
class LocaleDataWrapper;
class SwFieldType;
class SwDoc;
class SwUserFieldType;
#define TBLSZ 47 // should be a prime, because of hash table
const sal_Unicode cListDelim = '|';
enum SwCalcOper
{
CALC_NAME, CALC_NUMBER, CALC_ENDCALC,
CALC_PLUS='+', CALC_MINUS='-', CALC_MUL='*',
CALC_DIV='/', CALC_PRINT=';', CALC_ASSIGN='=',
CALC_LP='(', CALC_RP=')', CALC_PHD='%',
CALC_POW='^',
CALC_NOT=256, CALC_AND=257, CALC_OR=258,
CALC_XOR=259, CALC_EQ=260, CALC_NEQ=261,
CALC_LEQ=262, CALC_GEQ=263, CALC_LES=264,
CALC_GRE=265, CALC_SUM=266, CALC_MEAN=267,
CALC_SQRT=268, CALC_MIN=269, CALC_MIN_IN=270,
CALC_MAX=271, CALC_MAX_IN=272, CALC_SIN=273,
CALC_COS=274, CALC_TAN=275, CALC_ASIN=276,
CALC_ACOS=278, CALC_ATAN=279, CALC_TDIF=280,
CALC_ROUND=281, CALC_DATE=282, CALC_MONTH=283,
CALC_DAY=284, CALC_PRODUCT=285, CALC_AVERAGE=286,
CALC_COUNT=287, CALC_SIGN=288, CALC_ABS=289
};
// Calculate Operations Strings
extern const char sCalc_Add[];
extern const char sCalc_Sub[];
extern const char sCalc_Mul[];
extern const char sCalc_Div[];
extern const char sCalc_Phd[];
extern const char sCalc_Sqrt[];
extern const char sCalc_Pow[];
extern const char sCalc_Or[];
extern const char sCalc_Xor[];
extern const char sCalc_And[];
extern const char sCalc_Not[];
extern const char sCalc_Eq[];
extern const char sCalc_Neq[];
extern const char sCalc_Leq[];
extern const char sCalc_Geq[];
extern const char sCalc_L[];
extern const char sCalc_G[];
extern const char sCalc_Sum[];
extern const char sCalc_Mean[];
extern const char sCalc_Average[];
extern const char sCalc_Product[];
extern const char sCalc_Count[];
extern const char sCalc_Min[];
extern const char sCalc_Max[];
extern const char sCalc_Sin[];
extern const char sCalc_Cos[];
extern const char sCalc_Tan[];
extern const char sCalc_Asin[];
extern const char sCalc_Acos[];
extern const char sCalc_Atan[];
extern const char sCalc_Round[];
extern const char sCalc_Date[];
extern const char sCalc_Sign[];
extern const char sCalc_Abs[];
// Calculate ErrorCodes
enum class SwCalcError
{
NONE=0,
NaN, // not a number (not an error, used for interoperability)
Syntax, // syntax error
DivByZero, // division by zero
FaultyBrackets, // faulty brackets
OverflowInPower, // overflow in power function
Overflow, // overflow
};
class SwSbxValue final : public SbxValue
{
bool m_bVoid;
bool m_bDBvalue;
public:
// always default to a number. otherwise it will become a SbxEMPTY
SwSbxValue( long n = 0 ) : m_bVoid(false), m_bDBvalue(false) { PutLong( n ); }
SwSbxValue( const double& rD ) : m_bVoid(false), m_bDBvalue(false) { PutDouble( rD ); }
bool GetBool() const;
double GetDouble() const;
SwSbxValue& MakeDouble();
bool IsVoidValue() const {return m_bVoid;}
void SetVoidValue(bool bSet) {m_bVoid = bSet;}
bool IsDBvalue() const {return m_bDBvalue;}
void SetDBvalue(bool bSet) {m_bDBvalue = bSet;}
};
// Calculate HashTables for VarTable and Operations
struct SwHash
{
SwHash( const OUString& rStr );
virtual ~SwHash();
OUString aStr;
std::unique_ptr<SwHash> pNext;
};
struct SwCalcExp final : public SwHash
{
SwSbxValue nValue;
const SwFieldType* pFieldType;
SwCalcExp( const OUString& rStr, const SwSbxValue& rVal,
const SwFieldType* pFieldType );
};
/// T should be a subclass of SwHash
template<class T>
class SwHashTable
{
std::vector<std::unique_ptr<T>> m_aData;
public:
SwHashTable(size_t nSize) : m_aData(nSize) {}
std::unique_ptr<T> & operator[](size_t idx) { return m_aData[idx]; }
std::unique_ptr<T> const & operator[](size_t idx) const { return m_aData[idx]; }
void resize(size_t nSize) { m_aData.resize(nSize); }
T* Find( const OUString& rStr, sal_uInt16* pPos = nullptr ) const
{
size_t nTableSize = m_aData.size();
sal_uLong ii = 0;
for( sal_Int32 n = 0; n < rStr.getLength(); ++n )
{
ii = ii << 1 ^ rStr[n];
}
ii %= nTableSize;
if( pPos )
*pPos = static_cast<sal_uInt16>(ii);
for( T* pEntry = m_aData[ii].get(); pEntry; pEntry = static_cast<T*>(pEntry->pNext.get()) )
{
if( rStr == pEntry->aStr )
{
return pEntry;
}
}
return nullptr;
}
};
// if CalcOp != 0, this is a valid operator
struct CalcOp;
CalcOp* FindOperator( const OUString& rSearch );
extern "C" typedef double (*pfCalc)(double);
class SwCalc
{
SwHashTable<SwCalcExp> m_aVarTable;
OUStringBuffer m_aVarName;
OUString m_sCurrSym;
OUString m_sCommand;
std::vector<const SwUserFieldType*> m_aRekurStack;
SwSbxValue m_nLastLeft;
SwSbxValue m_nNumberValue;
SwCalcExp m_aErrExpr;
sal_Int32 m_nCommandPos;
SwDoc& m_rDoc;
SvtSysLocale m_aSysLocale;
const LocaleDataWrapper* m_pLocaleDataWrapper;
CharClass* m_pCharClass;
sal_uInt16 m_nListPor;
bool m_bHasNumber; // fix COUNT() and AVERAGE(), if all cells are NaN
SwCalcOper m_eCurrOper;
SwCalcOper m_eCurrListOper;
SwCalcError m_eError;
SwCalcOper GetToken();
SwSbxValue Expr();
SwSbxValue Term();
SwSbxValue PrimFunc(bool &rChkPow);
SwSbxValue Prim();
SwSbxValue StdFunc(pfCalc pFnc, bool bChkTrig);
static OUString GetColumnName( const OUString& rName );
OUString GetDBName( const OUString& rName );
SwCalc( const SwCalc& ) = delete;
SwCalc& operator=( const SwCalc& ) = delete;
public:
SwCalc(SwDoc& rD);
~SwCalc() COVERITY_NOEXCEPT_FALSE;
SwSbxValue Calculate( const OUString &rStr );
OUString GetStrResult( const SwSbxValue& rValue );
OUString GetStrResult( double );
SwCalcExp* VarInsert( const OUString& r );
SwCalcExp* VarLook( const OUString &rStr, bool bIns = false );
void VarChange( const OUString& rStr, const SwSbxValue& rValue );
void VarChange( const OUString& rStr, double );
SwHashTable<SwCalcExp> & GetVarTable() { return m_aVarTable; }
bool Push(const SwUserFieldType* pUserFieldType);
void Pop();
CharClass* GetCharClass();
void SetCalcError( SwCalcError eErr ) { m_eError = eErr; }
bool IsCalcError() const { return SwCalcError::NONE != m_eError && SwCalcError::NaN != m_eError; }
bool IsCalcNotANumber() const { return SwCalcError::NaN == m_eError; }
static bool Str2Double( const OUString& rStr, sal_Int32& rPos,
double& rVal );
static bool Str2Double( const OUString& rStr, sal_Int32& rPos,
double& rVal, SwDoc const *const pDoc );
SW_DLLPUBLIC static bool IsValidVarName( const OUString& rStr,
OUString* pValidName = nullptr );
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
