49 #ifndef vtkFunctionParser_h
50 #define vtkFunctionParser_h
52 #include "vtkCommonMiscModule.h"
58 #define VTK_PARSER_IMMEDIATE 1
59 #define VTK_PARSER_UNARY_MINUS 2
60 #define VTK_PARSER_UNARY_PLUS 3
63 #define VTK_PARSER_ADD 4
64 #define VTK_PARSER_SUBTRACT 5
65 #define VTK_PARSER_MULTIPLY 6
66 #define VTK_PARSER_DIVIDE 7
67 #define VTK_PARSER_POWER 8
68 #define VTK_PARSER_ABSOLUTE_VALUE 9
69 #define VTK_PARSER_EXPONENT 10
70 #define VTK_PARSER_CEILING 11
71 #define VTK_PARSER_FLOOR 12
72 #define VTK_PARSER_LOGARITHM 13
73 #define VTK_PARSER_LOGARITHME 14
74 #define VTK_PARSER_LOGARITHM10 15
75 #define VTK_PARSER_SQUARE_ROOT 16
76 #define VTK_PARSER_SINE 17
77 #define VTK_PARSER_COSINE 18
78 #define VTK_PARSER_TANGENT 19
79 #define VTK_PARSER_ARCSINE 20
80 #define VTK_PARSER_ARCCOSINE 21
81 #define VTK_PARSER_ARCTANGENT 22
82 #define VTK_PARSER_HYPERBOLIC_SINE 23
83 #define VTK_PARSER_HYPERBOLIC_COSINE 24
84 #define VTK_PARSER_HYPERBOLIC_TANGENT 25
85 #define VTK_PARSER_MIN 26
86 #define VTK_PARSER_MAX 27
87 #define VTK_PARSER_SIGN 29
90 #define VTK_PARSER_CROSS 28
91 #define VTK_PARSER_VECTOR_UNARY_MINUS 30
92 #define VTK_PARSER_VECTOR_UNARY_PLUS 31
93 #define VTK_PARSER_DOT_PRODUCT 32
94 #define VTK_PARSER_VECTOR_ADD 33
95 #define VTK_PARSER_VECTOR_SUBTRACT 34
96 #define VTK_PARSER_SCALAR_TIMES_VECTOR 35
97 #define VTK_PARSER_VECTOR_TIMES_SCALAR 36
98 #define VTK_PARSER_VECTOR_OVER_SCALAR 37
99 #define VTK_PARSER_MAGNITUDE 38
100 #define VTK_PARSER_NORMALIZE 39
103 #define VTK_PARSER_IHAT 40
104 #define VTK_PARSER_JHAT 41
105 #define VTK_PARSER_KHAT 42
108 #define VTK_PARSER_IF 43
111 #define VTK_PARSER_VECTOR_IF 44
114 #define VTK_PARSER_LESS_THAN 45
117 #define VTK_PARSER_GREATER_THAN 46
120 #define VTK_PARSER_EQUAL_TO 47
123 #define VTK_PARSER_AND 48
126 #define VTK_PARSER_OR 49
131 #define VTK_PARSER_BEGIN_VARIABLES 50
134 #define VTK_PARSER_ERROR_RESULT VTK_FLOAT_MAX
152 void SetFunction(
const char *
function);
153 vtkGetStringMacro(Function);
160 int IsScalarResult();
166 int IsVectorResult();
171 double GetScalarResult();
178 void GetVectorResult(
double result[3]) {
179 double *r = this->GetVectorResult();
180 result[0] = r[0]; result[1] = r[1]; result[2] = r[2]; };
190 void SetScalarVariableValue(
const char* variableName,
double value);
191 void SetScalarVariableValue(
int i,
double value);
198 double GetScalarVariableValue(
const char* variableName);
199 double GetScalarVariableValue(
int i);
209 void SetVectorVariableValue(
const char* variableName,
double xValue,
210 double yValue,
double zValue);
212 const double values[3]) {
213 this->SetVectorVariableValue(variableName,values[0],values[1],values[2]);};
214 void SetVectorVariableValue(
int i,
double xValue,
double yValue,
217 this->SetVectorVariableValue(i,values[0],values[1],values[2]);};
224 double* GetVectorVariableValue(
const char* variableName)
VTK_SIZEHINT(3);
226 double *r = this->GetVectorVariableValue(variableName);
230 double *r = this->GetVectorVariableValue(i);
238 {
return static_cast<int>(this->ScalarVariableNames.size()); }
243 int GetScalarVariableIndex(
const char *
name);
249 {
return static_cast<int>(this->VectorVariableNames.size()); }
254 int GetVectorVariableIndex(
const char *
name);
259 const char* GetScalarVariableName(
int i);
264 const char* GetVectorVariableName(
int i);
272 bool GetScalarVariableNeeded(
int i);
273 bool GetScalarVariableNeeded(
const char* variableName);
282 bool GetVectorVariableNeeded(
int i);
283 bool GetVectorVariableNeeded(
const char* variableName);
289 void RemoveAllVariables();
294 void RemoveScalarVariables();
299 void RemoveVectorVariables();
311 vtkSetMacro(ReplacementValue,
double);
312 vtkGetMacro(ReplacementValue,
double);
318 void CheckExpression(
int &pos,
char **error);
323 void InvalidateFunction();
338 void CopyParseError(
int &
position,
char **error);
341 char* RemoveSpacesFrom(
const char* variableName);
342 int OperatorWithinVariable(
int idx);
344 int BuildInternalFunctionStructure();
345 void BuildInternalSubstringStructure(
int beginIndex,
int endIndex);
346 void AddInternalByte(
unsigned char newByte);
348 int IsSubstringCompletelyEnclosed(
int beginIndex,
int endIndex);
349 int FindEndOfMathFunction(
int beginIndex);
350 int FindEndOfMathConstant(
int beginIndex);
352 int IsVariableName(
int currentIndex);
353 int IsElementaryOperator(
int op);
355 int GetMathFunctionNumber(
int currentIndex);
356 int GetMathFunctionNumberByCheckingParenthesis(
int currentIndex );
357 int GetMathFunctionStringLength(
int mathFunctionNumber);
358 int GetMathConstantNumber(
int currentIndex);
359 int GetMathConstantStringLength(
int mathConstantNumber);
360 unsigned char GetElementaryOperatorNumber(
char op);
361 unsigned int GetOperandNumber(
int currentIndex);
362 int GetVariableNameLength(
int variableNumber);
364 int DisambiguateOperators();
370 void UpdateNeededVariables();
372 vtkSetStringMacro(ParseError);
374 int FindPositionInOriginalFunction(
const int& pos);