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-rw-r--r--src/nvim/misc1.c310
1 files changed, 0 insertions, 310 deletions
diff --git a/src/nvim/misc1.c b/src/nvim/misc1.c
index 7065d3971f..5db942ed27 100644
--- a/src/nvim/misc1.c
+++ b/src/nvim/misc1.c
@@ -61,316 +61,6 @@
# include "misc1.c.generated.h"
#endif
-/*
- * get_leader_len() returns the length in bytes of the prefix of the given
- * string which introduces a comment. If this string is not a comment then
- * 0 is returned.
- * When "flags" is not NULL, it is set to point to the flags of the recognized
- * comment leader.
- * "backward" must be true for the "O" command.
- * If "include_space" is set, include trailing whitespace while calculating the
- * length.
- */
-int get_leader_len(char_u *line, char_u **flags, bool backward, bool include_space)
-{
- int i, j;
- int result;
- int got_com = FALSE;
- int found_one;
- char_u part_buf[COM_MAX_LEN]; // buffer for one option part
- char_u *string; // pointer to comment string
- char_u *list;
- int middle_match_len = 0;
- char_u *prev_list;
- char_u *saved_flags = NULL;
-
- result = i = 0;
- while (ascii_iswhite(line[i])) { // leading white space is ignored
- ++i;
- }
-
- /*
- * Repeat to match several nested comment strings.
- */
- while (line[i] != NUL) {
- /*
- * scan through the 'comments' option for a match
- */
- found_one = FALSE;
- for (list = curbuf->b_p_com; *list;) {
- // Get one option part into part_buf[]. Advance "list" to next
- // one. Put "string" at start of string.
- if (!got_com && flags != NULL) {
- *flags = list; // remember where flags started
- }
- prev_list = list;
- (void)copy_option_part(&list, part_buf, COM_MAX_LEN, ",");
- string = vim_strchr(part_buf, ':');
- if (string == NULL) { // missing ':', ignore this part
- continue;
- }
- *string++ = NUL; // isolate flags from string
-
- // If we found a middle match previously, use that match when this
- // is not a middle or end.
- if (middle_match_len != 0
- && vim_strchr(part_buf, COM_MIDDLE) == NULL
- && vim_strchr(part_buf, COM_END) == NULL) {
- break;
- }
-
- // When we already found a nested comment, only accept further
- // nested comments.
- if (got_com && vim_strchr(part_buf, COM_NEST) == NULL) {
- continue;
- }
-
- // When 'O' flag present and using "O" command skip this one.
- if (backward && vim_strchr(part_buf, COM_NOBACK) != NULL) {
- continue;
- }
-
- // Line contents and string must match.
- // When string starts with white space, must have some white space
- // (but the amount does not need to match, there might be a mix of
- // TABs and spaces).
- if (ascii_iswhite(string[0])) {
- if (i == 0 || !ascii_iswhite(line[i - 1])) {
- continue; // missing white space
- }
- while (ascii_iswhite(string[0])) {
- ++string;
- }
- }
- for (j = 0; string[j] != NUL && string[j] == line[i + j]; ++j) {
- }
- if (string[j] != NUL) {
- continue; // string doesn't match
- }
- // When 'b' flag used, there must be white space or an
- // end-of-line after the string in the line.
- if (vim_strchr(part_buf, COM_BLANK) != NULL
- && !ascii_iswhite(line[i + j]) && line[i + j] != NUL) {
- continue;
- }
-
- // We have found a match, stop searching unless this is a middle
- // comment. The middle comment can be a substring of the end
- // comment in which case it's better to return the length of the
- // end comment and its flags. Thus we keep searching with middle
- // and end matches and use an end match if it matches better.
- if (vim_strchr(part_buf, COM_MIDDLE) != NULL) {
- if (middle_match_len == 0) {
- middle_match_len = j;
- saved_flags = prev_list;
- }
- continue;
- }
- if (middle_match_len != 0 && j > middle_match_len) {
- // Use this match instead of the middle match, since it's a
- // longer thus better match.
- middle_match_len = 0;
- }
-
- if (middle_match_len == 0) {
- i += j;
- }
- found_one = TRUE;
- break;
- }
-
- if (middle_match_len != 0) {
- // Use the previously found middle match after failing to find a
- // match with an end.
- if (!got_com && flags != NULL) {
- *flags = saved_flags;
- }
- i += middle_match_len;
- found_one = TRUE;
- }
-
- // No match found, stop scanning.
- if (!found_one) {
- break;
- }
-
- result = i;
-
- // Include any trailing white space.
- while (ascii_iswhite(line[i])) {
- ++i;
- }
-
- if (include_space) {
- result = i;
- }
-
- // If this comment doesn't nest, stop here.
- got_com = TRUE;
- if (vim_strchr(part_buf, COM_NEST) == NULL) {
- break;
- }
- }
- return result;
-}
-
-/*
- * Return the offset at which the last comment in line starts. If there is no
- * comment in the whole line, -1 is returned.
- *
- * When "flags" is not null, it is set to point to the flags describing the
- * recognized comment leader.
- */
-int get_last_leader_offset(char_u *line, char_u **flags)
-{
- int result = -1;
- int i, j;
- int lower_check_bound = 0;
- char_u *string;
- char_u *com_leader;
- char_u *com_flags;
- char_u *list;
- int found_one;
- char_u part_buf[COM_MAX_LEN]; // buffer for one option part
-
- /*
- * Repeat to match several nested comment strings.
- */
- i = (int)STRLEN(line);
- while (--i >= lower_check_bound) {
- /*
- * scan through the 'comments' option for a match
- */
- found_one = FALSE;
- for (list = curbuf->b_p_com; *list;) {
- char_u *flags_save = list;
-
- /*
- * Get one option part into part_buf[]. Advance list to next one.
- * put string at start of string.
- */
- (void)copy_option_part(&list, part_buf, COM_MAX_LEN, ",");
- string = vim_strchr(part_buf, ':');
- if (string == NULL) { // If everything is fine, this cannot actually
- // happen.
- continue;
- }
- *string++ = NUL; // Isolate flags from string.
- com_leader = string;
-
- /*
- * Line contents and string must match.
- * When string starts with white space, must have some white space
- * (but the amount does not need to match, there might be a mix of
- * TABs and spaces).
- */
- if (ascii_iswhite(string[0])) {
- if (i == 0 || !ascii_iswhite(line[i - 1])) {
- continue;
- }
- while (ascii_iswhite(*string)) {
- string++;
- }
- }
- for (j = 0; string[j] != NUL && string[j] == line[i + j]; ++j) {
- // do nothing
- }
- if (string[j] != NUL) {
- continue;
- }
-
- /*
- * When 'b' flag used, there must be white space or an
- * end-of-line after the string in the line.
- */
- if (vim_strchr(part_buf, COM_BLANK) != NULL
- && !ascii_iswhite(line[i + j]) && line[i + j] != NUL) {
- continue;
- }
-
- if (vim_strchr(part_buf, COM_MIDDLE) != NULL) {
- // For a middlepart comment, only consider it to match if
- // everything before the current position in the line is
- // whitespace. Otherwise we would think we are inside a
- // comment if the middle part appears somewhere in the middle
- // of the line. E.g. for C the "*" appears often.
- for (j = 0; j <= i && ascii_iswhite(line[j]); j++) {
- }
- if (j < i) {
- continue;
- }
- }
-
- /*
- * We have found a match, stop searching.
- */
- found_one = TRUE;
-
- if (flags) {
- *flags = flags_save;
- }
- com_flags = flags_save;
-
- break;
- }
-
- if (found_one) {
- char_u part_buf2[COM_MAX_LEN]; // buffer for one option part
- int len1, len2, off;
-
- result = i;
- /*
- * If this comment nests, continue searching.
- */
- if (vim_strchr(part_buf, COM_NEST) != NULL) {
- continue;
- }
-
- lower_check_bound = i;
-
- // Let's verify whether the comment leader found is a substring
- // of other comment leaders. If it is, let's adjust the
- // lower_check_bound so that we make sure that we have determined
- // the comment leader correctly.
-
- while (ascii_iswhite(*com_leader)) {
- ++com_leader;
- }
- len1 = (int)STRLEN(com_leader);
-
- for (list = curbuf->b_p_com; *list;) {
- char_u *flags_save = list;
-
- (void)copy_option_part(&list, part_buf2, COM_MAX_LEN, ",");
- if (flags_save == com_flags) {
- continue;
- }
- string = vim_strchr(part_buf2, ':');
- ++string;
- while (ascii_iswhite(*string)) {
- ++string;
- }
- len2 = (int)STRLEN(string);
- if (len2 == 0) {
- continue;
- }
-
- // Now we have to verify whether string ends with a substring
- // beginning the com_leader.
- for (off = (len2 > i ? i : len2); off > 0 && off + len1 > len2;) {
- --off;
- if (!STRNCMP(string + off, com_leader, len2 - off)) {
- if (i - off < lower_check_bound) {
- lower_check_bound = i - off;
- }
- }
- }
- }
- }
- }
- return result;
-}
-
/// Ask for a reply from the user, 'y' or 'n'
///
/// No other characters are accepted, the message is repeated until a valid