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/*
STACK
Implementation of the stack on top of collection library interface.
Copyright (C) Dmitri Pal <dpal@redhat.com> 2009
Collection Library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Collection Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with Collection Library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <errno.h>
#include "collection_stack.h"
#include "trace.h"
/* Function that creates a stack object */
int col_create_stack(struct collection_item **stack)
{
int error = EOK;
TRACE_FLOW_STRING("col_create_stack", "Entry point.");
error = col_create_collection(stack, COL_NAME_STACK, COL_CLASS_STACK);
TRACE_FLOW_STRING("col_create_stack", "Exit.");
return error;
}
/* Function that destroys a stack object */
void col_destroy_stack(struct collection_item *stack)
{
TRACE_FLOW_STRING("col_destroy_stack", "Entry point.");
col_destroy_collection(stack);
TRACE_FLOW_STRING("col_destroy_stack", "Exit");
}
int col_push_str_property(struct collection_item *stack,
const char *property, const char *string, int length)
{
int error = EOK;
TRACE_FLOW_STRING("col_push_str_property", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_add_str_property(stack, NULL, property, string, length);
TRACE_FLOW_STRING("col_push_str_property", "Exit.");
return error;
}
/* Push a binary property to stack. */
int col_push_binary_property(struct collection_item *stack,
const char *property,
void *binary_data,
int length)
{
int error = EOK;
TRACE_FLOW_STRING("col_push_binary_property", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_add_binary_property(stack, NULL, property, binary_data, length);
TRACE_FLOW_STRING("col_push_binary_property", "Exit.");
return error;
}
/* Push an int property to stack. */
int col_push_int_property(struct collection_item *stack,
const char *property,
int number)
{
int error = EOK;
TRACE_FLOW_STRING("col_push_int_property", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_add_int_property(stack, NULL, property, number);
TRACE_FLOW_STRING("col_push_int_property", "Exit.");
return error;
}
/* Push an unsigned int property to stack. */
int col_push_unsigned_property(struct collection_item *stack,
const char *property,
unsigned int number)
{
int error = EOK;
TRACE_FLOW_STRING("col_push_unsigned_property", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_add_unsigned_property(stack, NULL, property, number);
TRACE_FLOW_STRING("col_push_unsigned_property", "Exit.");
return error;
}
/* Push a long property. */
int col_push_long_property(struct collection_item *stack,
const char *property,
long number)
{
int error = EOK;
TRACE_FLOW_STRING("col_push_long_property", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_add_long_property(stack, NULL, property, number);
TRACE_FLOW_STRING("col_push_long_property", "Exit.");
return error;
}
/* Push an unsigned long property. */
int col_push_ulong_property(struct collection_item *stack,
const char *property,
unsigned long number)
{
int error = EOK;
TRACE_FLOW_STRING("col_push_ulong_property", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_add_ulong_property(stack, NULL, property, number);
TRACE_FLOW_STRING("col_push_ulong_property", "Exit.");
return error;
}
/* Push a double property. */
int col_push_double_property(struct collection_item *stack,
const char *property,
double number)
{
int error = EOK;
TRACE_FLOW_STRING("col_push_double_property", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_add_double_property(stack, NULL, property, number);
TRACE_FLOW_STRING("col_push_double_property", "Exit.");
return error;
}
/* Push a bool property. */
int col_push_bool_property(struct collection_item *stack,
const char *property,
unsigned char logical)
{
int error = EOK;
TRACE_FLOW_STRING("col_push_bool_property", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_add_bool_property(stack, NULL, property, logical);
TRACE_FLOW_STRING("push_double_property", "Exit.");
return error;
}
/* Push any property */
int col_push_any_property(struct collection_item *stack,
const char *property,
int type,
void *data,
int length)
{
int error = EOK;
TRACE_FLOW_STRING("col_push_any_property", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_add_any_property(stack, NULL, property, type, data, length);
TRACE_FLOW_STRING("col_push_any_property", "Exit.");
return error;
}
/* Push item */
int col_push_item(struct collection_item *stack,
struct collection_item *item)
{
int error = EOK;
TRACE_FLOW_STRING("col_push_item", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_insert_item_into_current(stack,
item,
COL_DSP_END,
NULL,
0,
COL_INSERT_NOCHECK);
TRACE_FLOW_STRING("col_push_item", "Exit.");
return error;
}
/* Pop_item */
int col_pop_item(struct collection_item *stack,
struct collection_item **item)
{
int error = EOK;
TRACE_FLOW_STRING("col_pop_item", "Entry point.");
/* Check that stack is not empty */
if (stack == NULL) {
TRACE_ERROR_STRING("Stack can't be NULL", "");
return EINVAL;
}
/* Make sure it is a stack */
if (!col_is_of_class(stack, COL_CLASS_STACK)) {
TRACE_ERROR_STRING("Wrong class", "");
return EINVAL;
}
error = col_extract_item_from_current(stack,
COL_DSP_END,
NULL,
0,
0,
item);
TRACE_FLOW_STRING("col_pop_item", "Exit.");
return error;
}
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