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Modernize CLIST code

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Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2021-04-06 15:16:57 +02:00
parent fd187b0c18
commit b47ce5643b
2 changed files with 12 additions and 33 deletions
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21
src/ccutil/clst.cpp
View File

@ -35,15 +35,12 @@ namespace tesseract {
void CLIST::internal_deep_clear( // destroy all links
void (*zapper)(void *)) { // ptr to zapper functn
CLIST_LINK *ptr;
CLIST_LINK *next;
if (!empty()) {
ptr = last->next; // set to first
auto ptr = last->next; // set to first
last->next = nullptr; // break circle
last = nullptr; // set list empty
while (ptr) {
next = ptr->next;
auto next = ptr->next;
zapper(ptr->data);
delete (ptr);
ptr = next;
@ -61,15 +58,12 @@ void CLIST::internal_deep_clear( // destroy all links
**********************************************************************/
void CLIST::shallow_clear() { // destroy all links
CLIST_LINK *ptr;
CLIST_LINK *next;
if (!empty()) {
ptr = last->next; // set to first
auto ptr = last->next; // set to first
last->next = nullptr; // break circle
last = nullptr; // set list empty
while (ptr) {
next = ptr->next;
auto next = ptr->next;
delete (ptr);
ptr = next;
}
@ -325,8 +319,6 @@ void CLIST_ITERATOR::exchange( // positions of 2 links
CLIST_ITERATOR *other_it) { // other iterator
constexpr ERRCODE DONT_EXCHANGE_DELETED("Can't exchange deleted elements of lists");
CLIST_LINK *old_current;
#ifndef NDEBUG
if (!list)
NO_LIST.error("CLIST_ITERATOR::exchange", ABORT, nullptr);
@ -402,7 +394,7 @@ non-adjacent elements. */
/* The actual exchange - in all cases*/
old_current = current;
auto old_current = current;
current = other_it->current;
other_it->current = old_current;
}
@ -420,7 +412,6 @@ non-adjacent elements. */
CLIST_LINK *CLIST_ITERATOR::extract_sublist( // from this current
CLIST_ITERATOR *other_it) { // to other current
CLIST_ITERATOR temp_it = *this;
CLIST_LINK *end_of_new_list;
constexpr ERRCODE BAD_SUBLIST("Can't find sublist end point in original list");
#ifndef NDEBUG
@ -468,7 +459,7 @@ CLIST_LINK *CLIST_ITERATOR::extract_sublist( // from this current
// circularise sublist
other_it->current->next = current;
end_of_new_list = other_it->current;
auto end_of_new_list = other_it->current;
// sublist = whole list
if (prev == other_it->current) {

24
src/ccutil/clst.h
View File

@ -290,8 +290,6 @@ inline CLIST_ITERATOR::CLIST_ITERATOR(CLIST *list_to_iterate) {
inline void CLIST_ITERATOR::add_after_then_move( // element to add
void *new_data) {
CLIST_LINK *new_element;
#ifndef NDEBUG
if (!list) {
NO_LIST.error("CLIST_ITERATOR::add_after_then_move", ABORT, nullptr);
@ -301,7 +299,7 @@ inline void CLIST_ITERATOR::add_after_then_move( // element to add
}
#endif
new_element = new CLIST_LINK;
auto new_element = new CLIST_LINK;
new_element->data = new_data;
if (list->empty()) {
@ -339,8 +337,6 @@ inline void CLIST_ITERATOR::add_after_then_move( // element to add
inline void CLIST_ITERATOR::add_after_stay_put( // element to add
void *new_data) {
CLIST_LINK *new_element;
#ifndef NDEBUG
if (!list) {
NO_LIST.error("CLIST_ITERATOR::add_after_stay_put", ABORT, nullptr);
@ -350,7 +346,7 @@ inline void CLIST_ITERATOR::add_after_stay_put( // element to add
}
#endif
new_element = new CLIST_LINK;
auto new_element = new CLIST_LINK;
new_element->data = new_data;
if (list->empty()) {
@ -390,8 +386,6 @@ inline void CLIST_ITERATOR::add_after_stay_put( // element to add
inline void CLIST_ITERATOR::add_before_then_move( // element to add
void *new_data) {
CLIST_LINK *new_element;
#ifndef NDEBUG
if (!list) {
NO_LIST.error("CLIST_ITERATOR::add_before_then_move", ABORT, nullptr);
@ -401,7 +395,7 @@ inline void CLIST_ITERATOR::add_before_then_move( // element to add
}
#endif
new_element = new CLIST_LINK;
auto new_element = new CLIST_LINK;
new_element->data = new_data;
if (list->empty()) {
@ -435,8 +429,6 @@ inline void CLIST_ITERATOR::add_before_then_move( // element to add
inline void CLIST_ITERATOR::add_before_stay_put( // element to add
void *new_data) {
CLIST_LINK *new_element;
#ifndef NDEBUG
if (!list) {
NO_LIST.error("CLIST_ITERATOR::add_before_stay_put", ABORT, nullptr);
@ -446,7 +438,7 @@ inline void CLIST_ITERATOR::add_before_stay_put( // element to add
}
#endif
new_element = new CLIST_LINK;
auto new_element = new CLIST_LINK;
new_element->data = new_data;
if (list->empty()) {
@ -574,8 +566,6 @@ inline void CLIST_ITERATOR::add_list_before(CLIST *list_to_add) {
**********************************************************************/
inline void *CLIST_ITERATOR::extract() {
void *extracted_data;
#ifndef NDEBUG
if (!list) {
NO_LIST.error("CLIST_ITERATOR::extract", ABORT, nullptr);
@ -601,7 +591,7 @@ inline void *CLIST_ITERATOR::extract() {
}
// Always set ex_current_was_cycle_pt so an add/forward will work in a loop.
ex_current_was_cycle_pt = (current == cycle_pt);
extracted_data = current->data;
auto extracted_data = current->data;
delete (current); // destroy CONS cell
current = nullptr;
return extracted_data;
@ -759,8 +749,6 @@ inline void CLIST_ITERATOR::sort( // sort elements
inline void CLIST_ITERATOR::add_to_end( // element to add
void *new_data) {
CLIST_LINK *new_element;
#ifndef NDEBUG
if (!list) {
NO_LIST.error("CLIST_ITERATOR::add_to_end", ABORT, nullptr);
@ -777,7 +765,7 @@ inline void CLIST_ITERATOR::add_to_end( // element to add
this->add_before_stay_put(new_data);
list->last = prev;
} else { // Iteratr is elsewhere
new_element = new CLIST_LINK;
auto new_element = new CLIST_LINK;
new_element->data = new_data;
new_element->next = list->last->next;