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);
160 int IsScalarResult();
166 int IsVectorResult();
171 double GetScalarResult();
177 double* GetVectorResult();
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);
226 double *r = this->GetVectorVariableValue(variableName);
228 double* GetVectorVariableValue(
int i);
230 double *r = this->GetVectorVariableValue(i);
238 {
return static_cast<int>(this->ScalarVariableNames.size()); }
244 {
return static_cast<int>(this->VectorVariableNames.size()); }
249 const char* GetScalarVariableName(
int i);
254 const char* GetVectorVariableName(
int i);
262 bool GetScalarVariableNeeded(
int i);
263 bool GetScalarVariableNeeded(
const char* variableName);
272 bool GetVectorVariableNeeded(
int i);
273 bool GetVectorVariableNeeded(
const char* variableName);
279 void RemoveAllVariables();
284 void RemoveScalarVariables();
289 void RemoveVectorVariables();
299 vtkGetMacro(ReplaceInvalidValues,
int);
302 vtkGetMacro(ReplacementValue,
double);
308 void CheckExpression(
int &pos,
char **error);
313 void InvalidateFunction();
328 void CopyParseError(
int &
position,
char **error);
331 char* RemoveSpacesFrom(
const char* variableName);
332 int OperatorWithinVariable(
int idx);
334 int BuildInternalFunctionStructure();
335 void BuildInternalSubstringStructure(
int beginIndex,
int endIndex);
336 void AddInternalByte(
unsigned char newByte);
338 int IsSubstringCompletelyEnclosed(
int beginIndex,
int endIndex);
339 int FindEndOfMathFunction(
int beginIndex);
340 int FindEndOfMathConstant(
int beginIndex);
342 int IsVariableName(
int currentIndex);
343 int IsElementaryOperator(
int op);
345 int GetMathFunctionNumber(
int currentIndex);
346 int GetMathFunctionNumberByCheckingParenthesis(
int currentIndex );
347 int GetMathFunctionStringLength(
int mathFunctionNumber);
348 int GetMathConstantNumber(
int currentIndex);
349 int GetMathConstantStringLength(
int mathConstantNumber);
350 unsigned char GetElementaryOperatorNumber(
char op);
351 unsigned int GetOperandNumber(
int currentIndex);
352 int GetVariableNameLength(
int variableNumber);
354 int DisambiguateOperators();
360 void UpdateNeededVariables();
362 vtkSetStringMacro(ParseError);
364 int FindPositionInOriginalFunction(
const int& pos);
vtkTimeStamp VariableMTime
void SetVectorVariableValue(int i, const double values[3])
Set the value of a vector variable.
abstract base class for most VTK objects
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkTypeUInt32 vtkMTimeType
record modification and/or execution time
std::vector< double > ScalarVariableValues
void SetVectorVariableValue(const char *variableName, const double values[3])
Set the value of a vector variable.
vtkTimeStamp FunctionMTime
Parse and evaluate a mathematical expression.
a simple class to control print indentation
void GetVectorVariableValue(const char *variableName, double value[3])
Get the value of a vector variable.
std::vector< vtkTuple< double, 3 > > VectorVariableValues
virtual vtkMTimeType GetMTime()
Return this object's modified time.
char * FunctionWithSpaces
std::vector< bool > VectorVariableNeeded
vtkGetStringMacro(ExtensionsString)
Returns a string listing all available extensions.
std::vector< std::string > VectorVariableNames
std::vector< std::string > ScalarVariableNames
vtkSetMacro(IgnoreDriverBugs, bool)
When set known driver bugs are ignored during driver feature detection.
vtkTimeStamp EvaluateMTime
void GetVectorResult(double result[3])
Get a vector result from evaluating the input function.
void GetVectorVariableValue(int i, double value[3])
Get the value of a vector variable.
vtkBooleanMacro(IgnoreDriverBugs, bool)
When set known driver bugs are ignored during driver feature detection.
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on...
std::vector< bool > ScalarVariableNeeded
int GetNumberOfScalarVariables()
Get the number of scalar variables.
int GetNumberOfVectorVariables()
Get the number of vector variables.