#include <gromacs/selection/parsetree.h>

Description

Describes a parsed value, possibly resulting from expression evaluation.

All factory methods and the constructors may throw an std::bad_alloc if out of memory.

Public Member Functions
const SelectionLocation &	location () const
	Returns the location of this value in the parsed selection text.

bool	hasExpressionValue () const
	Returns true if the value comes from expression evaluation.

const std::string &	stringValue () const
	Returns the string value (type must be STR_VALUE).

Static Public Member Functions
static SelectionParserValueListPointer	createList ()
	Allocates and initializes an empty value list.

static SelectionParserValueListPointer	createList (const SelectionParserValue &value)
	Allocates and initializes a value list with a single value. More...

static SelectionParserValue	createExpr (const gmx::SelectionTreeElementPointer &expr)
	Allocates and initializes an expression value. More...

static SelectionParserValue	createInteger (int value, const SelectionLocation &location)
	Allocates and initializes a constant integer value. More...

static SelectionParserValue	createIntegerRange (int from, int to, const SelectionLocation &location)
	Allocates and initializes a constant integer range value. More...

static SelectionParserValue	createReal (real value, const SelectionLocation &location)
	Allocates and initializes a constant floating-point value. More...

static SelectionParserValue	createRealRange (real from, real to, const SelectionLocation &location)
	Allocates and initializes a constant floating-point range value. More...

static SelectionParserValue	createString (const char *value, const SelectionLocation &location)
	Allocates and initializes a constant string value. More...

static SelectionParserValue	createPosition (rvec value, const SelectionLocation &location)
	Allocates and initializes a constant position value. More...

Public Attributes
e_selvalue_t	type_
	Type of the value.

gmx::SelectionTreeElementPointer	expr_
	Expression pointer if the value is the result of an expression.

std::string	str
	String value for type STR_VALUE.

union {
struct {
int i1
	Beginning of the range.

int i2
	End of the range; equals i1 for a single integer.

} i
	The integer value/range (type INT_VALUE).

struct {
real r1
	Beginning of the range.

real r2
	End of the range; equals r1 for a single number.

} r
	The real value/range (type REAL_VALUE).

rvec x
	The position value (type POS_VALUE).

}	u
	The actual value if expr is NULL and type is not STR_VALUE.

Member Function Documentation

static SelectionParserValue gmx::SelectionParserValue::createExpr ( const gmx::SelectionTreeElementPointer & expr )

inlinestatic

Allocates and initializes an expression value.

Parameters

[in] expr Root of the expression tree to assign to the value.

Returns: The newly created value.

static SelectionParserValue gmx::SelectionParserValue::createInteger	(	int	value,
		const SelectionLocation &	location
	)

inlinestatic

Allocates and initializes a constant integer value.

Parameters

[in]	value	Integer value to assign to the value.
[in]	location	Location of the value.

Returns: The newly created value.

static SelectionParserValue gmx::SelectionParserValue::createIntegerRange	(	int	from,
		int	to,
		const SelectionLocation &	location
	)

inlinestatic

Allocates and initializes a constant integer range value.

Parameters

[in]	from	Beginning of the range to assign to the value.
[in]	to	End of the range to assign to the value.
[in]	location	Location of the value.

Returns: The newly created value.

static SelectionParserValueListPointer gmx::SelectionParserValue::createList ( const SelectionParserValue & value )

inlinestatic

Allocates and initializes a value list with a single value.

Parameters

[in] value Initial value to put in the list.

Returns: Pointer to a new value list that contains value.

static SelectionParserValue gmx::SelectionParserValue::createPosition	(	rvec	value,
		const SelectionLocation &	location
	)

inlinestatic

Allocates and initializes a constant position value.

Parameters

[in]	value	Position vector to assign to the value.
[in]	location	Location of the value.

Returns: The newly created value.

static SelectionParserValue gmx::SelectionParserValue::createReal	(	real	value,
		const SelectionLocation &	location
	)

inlinestatic

Allocates and initializes a constant floating-point value.

Parameters

[in]	value	Floating-point value to assign to the value.
[in]	location	Location of the value.

Returns: The newly created value.

static SelectionParserValue gmx::SelectionParserValue::createRealRange	(	real	from,
		real	to,
		const SelectionLocation &	location
	)

inlinestatic

Allocates and initializes a constant floating-point range value.

Parameters

[in]	from	Beginning of the range to assign to the value.
[in]	to	End of the range to assign to the value.
[in]	location	Location of the value.

Returns: The newly created value.

static SelectionParserValue gmx::SelectionParserValue::createString	(	const char *	value,
		const SelectionLocation &	location
	)

inlinestatic

Allocates and initializes a constant string value.

Parameters

[in]	value	String to assign to the value.
[in]	location	Location of the value.

Returns: The newly created value.

The documentation for this class was generated from the following files:

src/gromacs/selection/parsetree.h
src/gromacs/selection/parsetree.cpp

Description

Public Member Functions

Static Public Member Functions

Public Attributes

Member Function Documentation