Search the Teletext page cache. More...
Typedefs | |
typedef struct vbi_search | vbi_search |
Opaque search context. | |
Enumerations | |
enum | vbi_search_status { VBI_SEARCH_ERROR = -3, VBI_SEARCH_CACHE_EMPTY, VBI_SEARCH_CANCELED, VBI_SEARCH_NOT_FOUND = 0, VBI_SEARCH_SUCCESS } |
Return codes of the vbi_search_next() function. More... | |
Functions | |
vbi_search * | vbi_search_new (vbi_decoder *vbi, vbi_pgno pgno, vbi_subno subno, uint16_t *pattern, vbi_bool casefold, vbi_bool regexp, int(*progress)(vbi_page *pg)) |
void | vbi_search_delete (vbi_search *search) |
vbi_search_status | vbi_search_next (vbi_search *search, vbi_page **pg, int dir) |
Search the Teletext page cache.
enum vbi_search_status |
Return codes of the vbi_search_next() function.
VBI_SEARCH_ERROR |
Pattern not found, pg is invalid. Another vbi_search_next() will restart from the original starting point. |
VBI_SEARCH_CACHE_EMPTY |
The search has been canceled by the progress function. pg points to the current page as in success case, except for the highlighting. Another vbi_search_next() continues from this page. |
VBI_SEARCH_CANCELED |
No pages in the cache, pg is invalid. |
VBI_SEARCH_NOT_FOUND |
Some error occured, condition unclear. Call vbi_search_delete(). |
VBI_SEARCH_SUCCESS |
Pattern found. pg points to the page ready for display with the pattern highlighted, pg->pgno etc. |