ACE
6.3.1
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Implement a generic LIFO abstract data type. More...
#include <Containers_T.h>
Public Types | |
typedef ACE_Unbounded_Stack_Iterator < T > | ITERATOR |
Public Member Functions | |
ACE_Unbounded_Stack (ACE_Allocator *the_allocator=0) | |
ACE_Unbounded_Stack (const ACE_Unbounded_Stack< T > &s) | |
The copy constructor (performs initialization). More... | |
void | operator= (const ACE_Unbounded_Stack< T > &s) |
Assignment operator (performs assignment). More... | |
~ACE_Unbounded_Stack (void) | |
Perform actions needed when stack goes out of scope. More... | |
int | push (const T &new_item) |
Push an element onto the top of stack. More... | |
int | pop (T &item) |
Pop the top element of the stack. More... | |
int | top (T &item) const |
Examine the top of the stack. More... | |
int | is_empty (void) const |
Returns 1 if the container is empty, otherwise returns 0. More... | |
int | is_full (void) const |
Returns 1 if the container is full, otherwise returns 0. More... | |
int | insert (const T &new_item) |
Linear Insert of an item. More... | |
int | remove (const T &item) |
int | find (const T &item) const |
Finds if item occurs the set. Returns 0 if finds, else -1. More... | |
size_t | size (void) const |
The number of items in the stack. More... | |
void | dump (void) const |
Dump the state of an object. More... | |
Public Attributes | |
ACE_ALLOC_HOOK_DECLARE | |
Declare the dynamic allocation hooks. More... | |
Private Member Functions | |
void | delete_all_nodes (void) |
Delete all the nodes in the stack. More... | |
void | copy_all_nodes (const ACE_Unbounded_Stack< T > &s) |
Copy all nodes from {s} to {this}. More... | |
Private Attributes | |
ACE_Node< T > * | head_ |
Head of the linked list of Nodes. More... | |
size_t | cur_size_ |
Current size of the stack. More... | |
ACE_Allocator * | allocator_ |
Allocation strategy of the stack. More... | |
Friends | |
class | ACE_Unbounded_Stack_Iterator< T > |
Implement a generic LIFO abstract data type.
This implementation of an unbounded Stack uses a linked list. If you use the {insert} or {remove} methods you should keep in mind that duplicate entries aren't allowed. In general, therefore, you should avoid the use of these methods since they aren't really part of the ADT stack. The stack is implemented as a doubly linked list.
Requirements and Performance Characteristics
typedef ACE_Unbounded_Stack_Iterator<T> ACE_Unbounded_Stack< T >::ITERATOR |
ACE_Unbounded_Stack< T >::ACE_Unbounded_Stack | ( | ACE_Allocator * | the_allocator = 0 | ) |
Initialize a new stack so that it is empty. Use user defined allocation strategy if specified. Initialize an empty stack using the user specified allocation strategy if provided.
ACE_Unbounded_Stack< T >::ACE_Unbounded_Stack | ( | const ACE_Unbounded_Stack< T > & | s | ) |
The copy constructor (performs initialization).
Initialize this stack to be an exact copy of {s}.
ACE_Unbounded_Stack< T >::~ACE_Unbounded_Stack | ( | void | ) |
Perform actions needed when stack goes out of scope.
Destroy the underlying list for the stack.
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Copy all nodes from {s} to {this}.
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Delete all the nodes in the stack.
void ACE_Unbounded_Stack< T >::dump | ( | void | ) | const |
Dump the state of an object.
int ACE_Unbounded_Stack< T >::find | ( | const T & | item | ) | const |
Finds if item occurs the set. Returns 0 if finds, else -1.
Linear find operation.
int ACE_Unbounded_Stack< T >::insert | ( | const T & | new_item | ) |
Linear Insert of an item.
Insert {new_item} into the Stack at the head (but doesn't allow duplicates). Returns -1 if failures occur, 1 if item is already present (i.e., no duplicates are allowed), else 0.
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Returns 1 if the container is empty, otherwise returns 0.
Constant time check to see if the stack is empty.
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Returns 1 if the container is full, otherwise returns 0.
Always resturns 0 since the stack is unbounded.
void ACE_Unbounded_Stack< T >::operator= | ( | const ACE_Unbounded_Stack< T > & | s | ) |
Assignment operator (performs assignment).
Perform a deep copy of the rhs into the lhs.
int ACE_Unbounded_Stack< T >::pop | ( | T & | item | ) |
Pop the top element of the stack.
Remove and return the top stack item. Returns -1 if the stack is already empty, 0 if the stack is not already empty, and -1 if failure occurs.
int ACE_Unbounded_Stack< T >::push | ( | const T & | new_item | ) |
Push an element onto the top of stack.
Place a new item on top of the stack. Returns -1 if the stack is already full, 0 if the stack is not already full, and -1 if failure occurs.
int ACE_Unbounded_Stack< T >::remove | ( | const T & | item | ) |
Remove item from the Stack. Returns 0 if it removes the item, -1 if it can't find the item, and -1 if a failure occurs. Linear remove operation.
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The number of items in the stack.
Constant time access to the current stack size.
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Examine the top of the stack.
Return top stack item without removing it. Returns -1 if the stack is already empty, 0 if the stack is not already empty, and -1 if failure occurs.
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ACE_Unbounded_Stack< T >::ACE_ALLOC_HOOK_DECLARE |
Declare the dynamic allocation hooks.
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Allocation strategy of the stack.
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Current size of the stack.
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Head of the linked list of Nodes.