contrib/less/search.c

256  * Repaint each line which contains highlighted text.
543  * Is a line "filtered" -- that is, should it be hidden?
617 	int match;
627 		 * The attn line overlaps this range.
631 	match = is_hilited_range(pos, epos);
632 	if (!match)
988  * Make a hilite for each string in a physical line which matches
990  * sp,ep delimit the first match already found.
993 hilite_line(linepos, line, line_len, chpos, sp, ep, cvt_ops)
995 	char *line;
1003 	char *line_end = line + line_len;
1006 	 * sp and ep delimit the first match in the line.
1010 	 *    substrings of the line, may mark more than is correct
1015 	searchp = line;
1019 		create_hilites(linepos, sp-line, ep-line, chpos);
1029 		else /* end of line */
1087 		 * command line initiated searches;
1088 		 * for example, "+/xyz" on the command line.
1143 	 * If the line is empty, look around for a plausible starting place.
1166  * Check to see if the line matches the filter pattern.
1202  * Get the position of the first char in the screen line which
1227  * Get the segment index of tpos in the line starting at pos.
1260 	char *line;
1298 			 * Reached end position without a match.
1310 			 * Read the next line, and save the
1311 			 * starting position of that line in linepos.
1314 			pos = forw_raw_line(pos, &line, &line_len);
1320 			 * Read the previous line and save the
1321 			 * starting position of that line in linepos.
1323 			pos = back_raw_line(pos, &line, &line_len);
1332 			 * Reached EOF/BOF without a match.
1369 		 * If we're using line numbers, we might as well
1371 		 * and line number of the current line).
1372 		 * Don't do it for every line because it slows down
1373 		 * the search.  Remember the line number only if
1386 		 * If it's a caseless search, convert the line to lowercase.
1393 		cvt_text(cline, line, chpos, &line_len, cvt_ops);
1409 		 * Test the next line to see if we have a match.
1410 		 * We are successful if we either want a match and got one,
1411 		 * or if we want a non-match and got one.
1420 				 * Got a match.
1427 					 * Just add the matches in this line to the
1435 					 * Found the one match we're looking for.
1443 						 * the matches in this one line.
1453 						 * search match is fully visible.
1479 						 * If the line is so long that the highlighted match
1480 						 * won't be seen when the line is displayed normally
1483 						 * of the match appears in the last line on the screen.
1484 						 * lastlinepos is the position of the first char of that last line.
1688 		 * Go to the matching line.
1699 		 * Display new hilites in the matching line.
1741 	 * a line. (search_range takes care of the end boundary below.)
1848 			 * keep going at least one more line until we find
1885  * Set the pattern to be used for line filtering.
1919  * Is there a line filter in effect?