Next: 4.10.34 nxo_string Up: 4.10 Classes Previous: 4.10.32 nxo_regsub Contents Index
Subsections

- 4.10.33.1 API

##
4.10.33 nxo_stack

The nxo_stack class is a subclass of the nxo class.

### 4.10.33.1 API

void nxo_stack_new(cw_nxo_t *a_nxo, bool a_locking, uint32_t a_mincount):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
    a_locking:
      Implicit locking mode.
    a_mincount:
      Minimum size to allow the internal array to shrink to.
  Output(s):
    None.
  Exception(s):
    CW_ONYXX_OOM.
  Description:
    Constructor.

void nxo_stack_copy(cw_nxo_t *a_to, cw_nxo_t *a_from):

  Input(s):
    a_to:
      Pointer to a stack nxo.
    a_from:
      Pointer to a stack nxo.
  Output(s):
    None.
  Exception(s):
    CW_ONYXX_OOM.
  Description:
    Copy the objects in a_from onto a_to.

uint32_t nxo_stack_count(cw_nxo_t *a_nxo):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
  Output(s):
    retval:
      Number of objects on a_nxo.
  Exception(s):
    None.
  Description:
    Return the number of objects on a_nxo.

cw_nxo_t * nxo_stack_push(cw_nxo_t *a_nxo):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
  Output(s):
    retval:
      Pointer to a no nxo that has been pushed onto a_nxo.
  Exception(s):
    CW_ONYXX_OOM.
  Description:
    Push a no nxo onto a_nxo and return a pointer to it.

cw_nxo_t * nxo_stack_bpush(cw_nxo_t *a_nxo):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
  Output(s):
    retval:
      Pointer to a no nxo that has been pushed onto the bottom of a_nxo.
  Exception(s):
    CW_ONYXX_OOM.
  Description:
    Push a no nxo onto the bottom of a_nxo and return a pointer to it.

bool nxo_stack_pop(cw_nxo_t *a_nxo):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
  Output(s):
    retval:
      false:
        Success.
      true:
        Stack underflow.
  Exception(s):
    None.
  Description:
    Pop an object off of a_nxo.

bool nxo_stack_bpop(cw_nxo_t *a_nxo):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
  Output(s):
    retval:
      false:
        Success.
      true:
        Stack underflow.
  Exception(s):
    None.
  Description:
    Pop an object off the bottom of a_nxo.

bool nxo_stack_npop(cw_nxo_t *a_nxo, uint32_t a_count):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
    a_count:
      Number of objects to pop off of a_nxo.
  Output(s):
    retval:
      false:
        Success.
      true:
        Stack underflow.
  Exception(s):
    None.
  Description:
    Pop a_count objects off of a_nxo.

bool nxo_stack_nbpop(cw_nxo_t *a_nxo, uint32_t a_count):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
    a_count:
      Number of objects to pop off the bottom of a_nxo.
  Output(s):
    retval:
      false:
        Success.
      true:
        Stack underflow.
  Exception(s):
    None.
  Description:
    Pop a_count objects off the bottom of a_nxo.

cw_nxo_t * nxo_stack_get(const cw_nxo_t *a_nxo):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
  Output(s):
    retval:
      non-NULL:
        Pointer to the top nxo on a_nxo.
      NULL:
        Stack underflow.
  Exception(s):
    None.
  Description:
    Return a pointer to the top nxo on a_nxo.

cw_nxo_t * nxo_stack_bget(const cw_nxo_t *a_nxo):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
  Output(s):
    retval:
      non-NULL:
        Pointer to the bottom nxo on a_nxo.
      NULL:
        Stack underflow.
  Exception(s):
    None.
  Description:
    Return a pointer to the bottom nxo on a_nxo.

cw_nxo_t * nxo_stack_nget(const cw_nxo_t *a_nxo, uint32_t a_index):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
    a_index:
      Index of object in a_nxo to return a pointer to.
  Output(s):
    retval:
      non-NULL:
        Pointer to the nxo on a_nxo at index a_index.
      NULL:
        Stack underflow.
  Exception(s):
    None.
  Description:
    Return a pointer to the nxo on a_nxo at index a_index.

cw_nxo_t * nxo_stack_nbget(const cw_nxo_t *a_nxo, uint32_t a_index):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
    a_index:
      Index, counting from the bottom, of object in a_nxo to return a pointer to.
  Output(s):
    retval:
      non-NULL:
        Pointer to the nxo on a_nxo at index a_index, counting from the bottom.
      NULL:
        Stack underflow.
  Exception(s):
    None.
  Description:
    Return a pointer to the nxo on a_nxo at index a_index, counting from the bottom.

bool nxo_stack_exch(cw_nxo_t *a_nxo):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
  Output(s):
    retval:
      false:
        Success.
      true:
        Stack underflow.
  Exception(s):
    None.
  Description:
    Exchange the top two objects on a_nxo.

void nxo_stack_rot(cw_nxo_t *a_nxo, int32_t a_amount):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
    a_amount:
      Amount to rotate upward. A negative value rotates downward.
  Output(s):
    None.
  Exception(s):
    None.
  Description:
    Rotate a_nxo up by a_amount.

bool nxo_stack_roll(cw_nxo_t *a_nxo, uint32_t a_count, int32_t a_amount):

  Input(s):
    a_nxo:
      Pointer to a stack nxo.
    a_count:
      Number of objects in roll region.
    a_amount:
      Amount to roll upward. A negative value rolls downward.
  Output(s):
    retval:
      false:
        Success.
      true:
        Stack underflow.
  Exception(s):
    None.
  Description:
    Roll the top a_count objects on a_nxo up by a_amount.

Next: 4.10.34 nxo_string Up: 4.10 Classes Previous: 4.10.32 nxo_regsub Contents Index