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FX::FXExpression

FX::FXExpression Class Reference

Expression. More...

#include <FXExpression.h>

List of all members.

Public Member Functions

 FXExpression ()
 FXExpression (const FXExpression &orig)
 FXExpression (const FXchar *expression, const FXchar *variables=NULL, FXExpressionError *error=NULL)
 FXExpression (const FXString &expression, const FXString &variables=FXString::null, FXExpressionError *error=NULL)
FXExpression & operator= (const FXExpression &orig)
bool empty () const
FXdouble evaluate (const FXdouble *args=NULL)
FXExpressionError parse (const FXchar *expression, const FXchar *variables=NULL)
FXExpressionError parse (const FXString &expression, const FXString &variables=FXString::null)
 ~FXExpression ()

Static Public Member Functions

static const FXchar * getError (FXExpressionError err)

Detailed Description

Expression.

See also:

Constructor & Destructor Documentation

FX::FXExpression::FXExpression (   ) 
 

Construct empty expression object.

FX::FXExpression::FXExpression (  const FXExpression &  orig  ) 
 

Copy expression object.

FX::FXExpression::FXExpression (  const FXchar *  expression,
const FXchar *  variables = NULL,
FXExpressionError *  error = NULL
) 
 

Compile expression; if error is not NULL, error code is returned.

FX::FXExpression::FXExpression (  const FXString &  expression,
const FXString &  variables = FXString::null,
FXExpressionError *  error = NULL
) 
 

Compile expression; if error is not NULL, error code is returned.

FX::FXExpression::~FXExpression (   ) 
 

Delete.

Member Function Documentation

FXExpression& FX::FXExpression::operator= (  const FXExpression &  orig  ) 
 

Assign another expression to this one.

bool FX::FXExpression::empty (   )  const [inline]
 

See if expression is empty.

FXdouble FX::FXExpression::evaluate (  const FXdouble *  args = NULL  ) 
 

Evaluate expression with given arguments, if any.

FXExpressionError FX::FXExpression::parse (  const FXchar *  expression,
const FXchar *  variables = NULL
) 
 

Parse expression, return error code if syntax error is found.

FXExpressionError FX::FXExpression::parse (  const FXString &  expression,
const FXString &  variables = FXString::null
) 
 

Parse expression, return error code if syntax error is found.

static const FXchar* FX::FXExpression::getError (  FXExpressionError  err  )  [inline, static]
 

Returns error code for given error.

Copyright © 1997-2005 Jeroen van der Zijp