/**
 * @file Stack.c
 */

#include "cgds/Stack.h"

void _stack_init(Stack* stack, size_t dataSize)
{
  stack->dataSize = dataSize;
  _vector_init(stack->array, dataSize);
}

Stack* _stack_new(size_t dataSize)
{
  Stack* stack = (Stack*) safe_malloc(sizeof (Stack));
  stack->array = _vector_new(dataSize);
  _stack_init(stack, dataSize);
  return stack;
}

Stack* stack_copy(Stack* stack)
{
  Stack* stackCopy = (Stack*) safe_malloc(sizeof (Stack));
  stackCopy->dataSize = stack->dataSize;
  Vector* arrayCopy = vector_copy(stack->array);
  stackCopy->array = arrayCopy;
  return stackCopy;
}

bool stack_empty(Stack* stack)
{
  return vector_empty(stack->array);
}

UInt stack_size(Stack* stack)
{
  return vector_size(stack->array);
}

void _stack_push(Stack* stack, void* data)
{
  _vector_push(stack->array, data);
}

void* _stack_top(Stack* stack)
{
  return _vector_get(stack->array, vector_size(stack->array)-1);
}

void stack_pop(Stack* stack)
{
  vector_pop(stack->array);
}

void stack_clear(Stack* stack)
{
  vector_clear(stack->array);
}

void stack_destroy(Stack* stack)
{
  vector_destroy(stack->array);
  safe_free(stack);
}