IlListOf(NAME) Class Reference

A generic class that handles lists. More...

#include <ilog/list.h>

Public Member Functions
	IlListOf(NAME) ()
	Constructor. More...
	~IlListOf(NAME) ()
	Destructor. More...
void	append (TYPE element)
	Appends an element to the list. More...
IlListOf(NAME) *	copy () const
	Creates a copy of this list. More...
void	empty ()
	Empties the list. More...
IlBoolean	find (TYPE element) const
	Queries the existence of an element. More...
IlUInt	getLength () const
	Retrieves the length of the list. More...
TYPE	getValue (IlUInt pos) const
	Retrieves an element. More...
void	insert (TYPE element, IlInt pos=0)
	Inserts an element in the list. More...
TYPE	operator[] (IlUInt pos) const
	Retrieves an element. More...
IlBoolean	remove (TYPE element)
	Removes an element. More...

Detailed Description

A generic class that handles lists.

Library: ilog

This class is generated by the macro IlDefineListOf(NAME, TYPE).
It handles a list of objects of the type TYPE. The major restriction of this class is that TYPE must be a type that can be cast to and from a void*.
An IlListOf(NAME) is a single linked list that can be grown and queried. It does not handle the deletion of the object it stores.
There are different ways of enumerating the elements of an IlListOf(NAME):

• Access the elements directly: using the operator[], you can enumerate the elements of a list. This is easy to use, but it doesn't give the optimal performance, and you must take care not to modify the list in your code; otherwise some indexes might become invalid.
• The IlMapList macro: you can apply an expression to each element of the list. This is very fast, but you must not modify the list itself while you are enumerating its elements.
• Use iterator classes: when you create a new list class (using the IlDefineListOf(NAME, TYPE) macro), two other classes are created: IlListIteratorOf(NAME) and IlSafeListIteratorOf(NAME). These classes are designed to simplify the enumeration of the elements of a list, and the Safe version, although a little slower than the other, enables you to manipulate the list even while you are enumerating its elements.

See also

IlListIteratorOf(NAME), IlSafeListIteratorOf(NAME).

Constructor & Destructor Documentation

IlListOf(NAME)()

IlListOf(NAME)::IlListOf(NAME)

(

)

Constructor.

Initializes a new empty list.

~IlListOf(NAME)()

IlListOf(NAME)::~IlListOf(NAME)

(

)

Destructor.

Empties the list.

Note

This destructor does not delete the elements themselves. Before you destroy a list, make sure you have properly deleted the elements it stored, if you don't need them anymore.

Member Function Documentation

append()

void IlListOf(NAME)::append

(

TYPE

element

)

Appends an element to the list.

The new element becomes the last element of this list. The element is not copied.

Parameters

element

The element that must be appended to the list.

See also

insert().

copy()

IlListOf(NAME)* IlListOf(NAME)::copy

(

)

const

Creates a copy of this list.

The elements are not copied.

Returns

A copy of this list.

empty()

void IlListOf(NAME)::empty

(

)

Empties the list.

The elements are not destroyed. The list is left with no elements.

find()

IlBoolean IlListOf(NAME)::find

(

TYPE

element

)

const

Queries the existence of an element.

Parameters

element

The element that is searched in the list.

Returns

IlTrue if the element is stored in the list, and IlFalse if it is not.

getLength()

IlUInt IlListOf(NAME)::getLength

(

)

const

Retrieves the length of the list.

Returns

The number of elements that are stored in this list.

getValue()

TYPE IlListOf(NAME)::getValue

(

IlUInt

pos

)

const

Retrieves an element.

Parameters

pos	The index, in this list, of the element to be retrieved.

Returns

The element, or 0 if the index is invalid. Note that 0 is a also a valid value for an element in the list.

insert()

void IlListOf(NAME)::insert	(	TYPE	element,
		IlInt	pos = 0
	)

Inserts an element in the list.

The element is not copied.

Parameters

element	The element that must be inserted in the list.
pos	The position, in the list where this element must be inserted. 0 indicates that you want element to become the first element of the list. Any invalid value (such as a negative location, or an index that is greater than the size of the list) will append element to the list.

See also

append().

operator[]()

TYPE IlListOf(NAME)::operator[]

(

IlUInt

pos

)

const

Retrieves an element.

Parameters

pos	The index, in this list, of the element to be retrieved.

Returns

The element, or 0 if the index is invalid. Note that 0 is a also a valid value for an element in the list.

remove()

IlBoolean IlListOf(NAME)::remove

(

TYPE

element

)

Removes an element.

The element is not destroyed.

Parameters

element

The element that is removed from the list.

Returns

IlTrue if the element was removed successfully. If the element is not stored in this list, this member function returns IlFalse, indicating that a problem occurred.