| 821 |
} |
} |
| 822 |
|
|
| 823 |
int locate_article_in_section(SECTION_LIST *p_section, const ARTICLE *p_article_cur, int direction, |
int locate_article_in_section(SECTION_LIST *p_section, const ARTICLE *p_article_cur, int direction, |
| 824 |
int *p_page_id, int *p_offset, int *p_article_count) |
int *p_page_id, int *p_visible_offset, int *p_article_count) |
| 825 |
{ |
{ |
| 826 |
ARTICLE *p_article = NULL; |
const ARTICLE *p_article = NULL; |
| 827 |
ARTICLE *p_next; |
ARTICLE *p_tmp; |
| 828 |
int32_t aid = 0; |
int32_t aid = 0; |
| 829 |
|
int page_id; |
| 830 |
|
int offset; |
| 831 |
int ret = 0; |
int ret = 0; |
| 832 |
|
int i; |
| 833 |
|
|
| 834 |
if (p_section == NULL || p_article_cur == NULL || p_page_id == NULL || p_offset == NULL || p_article_count == NULL) |
if (p_section == NULL || p_article_cur == NULL || p_page_id == NULL || p_visible_offset == NULL || p_article_count == NULL) |
| 835 |
{ |
{ |
| 836 |
log_error("locate_article_in_section() NULL pointer error\n"); |
log_error("locate_article_in_section() NULL pointer error\n"); |
| 837 |
return -1; |
return -1; |
| 850 |
} |
} |
| 851 |
else if (direction == 1) |
else if (direction == 1) |
| 852 |
{ |
{ |
| 853 |
aid = p_article_cur->p_topic_next->aid; |
p_article = p_article_cur; |
| 854 |
if (aid <= p_article_cur->aid) |
do |
| 855 |
{ |
{ |
| 856 |
aid = 0; |
p_article = p_article->p_topic_next; |
| 857 |
} |
} while (p_article != p_article_cur && p_article->visible == 0); |
| 858 |
|
|
| 859 |
|
aid = (p_article->aid > p_article_cur->aid ? p_article->aid : 0); |
| 860 |
} |
} |
| 861 |
else if (direction == -1) |
else if (direction == -1) |
| 862 |
{ |
{ |
| 863 |
aid = p_article_cur->p_topic_prior->aid; |
p_article = p_article_cur; |
| 864 |
if (aid >= p_article_cur->aid) |
do |
| 865 |
{ |
{ |
| 866 |
aid = 0; |
p_article = p_article->p_topic_prior; |
| 867 |
} |
} while (p_article != p_article_cur && p_article->visible == 0); |
| 868 |
|
|
| 869 |
|
aid = (p_article->aid < p_article_cur->aid ? p_article->aid : 0); |
| 870 |
} |
} |
| 871 |
|
|
| 872 |
|
p_article = NULL; |
| 873 |
|
|
| 874 |
if (aid > 0) |
if (aid > 0) |
| 875 |
{ |
{ |
| 876 |
p_article = section_list_find_article_with_offset(p_section, aid, p_page_id, p_offset, &p_next); |
p_article = section_list_find_article_with_offset(p_section, aid, &page_id, &offset, &p_tmp); |
| 877 |
if (p_article != NULL) |
if (p_article != NULL) |
| 878 |
{ |
{ |
| 879 |
*p_article_count = (*p_page_id == p_section->page_count - 1 ? p_section->last_page_visible_article_count : BBS_article_limit_per_page); |
*p_article_count = (page_id == p_section->page_count - 1 ? p_section->last_page_visible_article_count : BBS_article_limit_per_page); |
| 880 |
|
|
| 881 |
|
p_article = p_section->p_page_first_article[page_id]; |
| 882 |
|
for (i = 0; i < *p_article_count;) |
| 883 |
|
{ |
| 884 |
|
if (p_article->visible) |
| 885 |
|
{ |
| 886 |
|
if (p_article->aid == aid) |
| 887 |
|
{ |
| 888 |
|
*p_page_id = page_id; |
| 889 |
|
*p_visible_offset = i; |
| 890 |
|
break; |
| 891 |
|
} |
| 892 |
|
i++; |
| 893 |
|
if (i >= *p_article_count) |
| 894 |
|
{ |
| 895 |
|
log_error("Visible article (aid=%d) not found in page %d\n", aid, page_id); |
| 896 |
|
p_article = NULL; |
| 897 |
|
} |
| 898 |
|
} |
| 899 |
|
p_article = p_article->p_next; |
| 900 |
|
} |
| 901 |
} |
} |
| 902 |
} |
} |
| 903 |
|
|