diff options
Diffstat (limited to 'src/nvim/mbyte.c')
| -rw-r--r-- | src/nvim/mbyte.c | 81 |
1 files changed, 35 insertions, 46 deletions
diff --git a/src/nvim/mbyte.c b/src/nvim/mbyte.c index 0ab133a545..d96848754c 100644 --- a/src/nvim/mbyte.c +++ b/src/nvim/mbyte.c @@ -50,6 +50,7 @@ #include "nvim/strings.h" #include "nvim/os/os.h" #include "nvim/arabic.h" +#include "nvim/mark.h" typedef struct { int rangeStart; @@ -375,16 +376,18 @@ void remove_bom(char_u *s) */ int mb_get_class(const char_u *p) { - return mb_get_class_buf(p, curbuf); + return mb_get_class_tab(p, curbuf->b_chartab); } -int mb_get_class_buf(const char_u *p, buf_T *buf) +int mb_get_class_tab(const char_u *p, const uint64_t *const chartab) { if (MB_BYTE2LEN(p[0]) == 1) { - if (p[0] == NUL || ascii_iswhite(p[0])) + if (p[0] == NUL || ascii_iswhite(p[0])) { return 0; - if (vim_iswordc_buf(p[0], buf)) + } + if (vim_iswordc_tab(p[0], chartab)) { return 2; + } return 1; } return utf_class(utf_ptr2char(p)); @@ -580,7 +583,7 @@ int utf_ptr2char(const char_u *p) * If byte sequence is illegal or incomplete, returns -1 and does not advance * "s". */ -static int utf_safe_read_char_adv(char_u **s, size_t *n) +static int utf_safe_read_char_adv(const char_u **s, size_t *n) { int c; @@ -622,7 +625,7 @@ static int utf_safe_read_char_adv(char_u **s, size_t *n) * Get character at **pp and advance *pp to the next character. * Note: composing characters are skipped! */ -int mb_ptr2char_adv(char_u **pp) +int mb_ptr2char_adv(const char_u **const pp) { int c; @@ -635,7 +638,7 @@ int mb_ptr2char_adv(char_u **pp) * Get character at **pp and advance *pp to the next character. * Note: composing characters are returned as separate characters. */ -int mb_cptr2char_adv(char_u **pp) +int mb_cptr2char_adv(const char_u **pp) { int c; @@ -1230,7 +1233,8 @@ bool utf_isupper(int a) return utf_tolower(a) != a; } -static int utf_strnicmp(char_u *s1, char_u *s2, size_t n1, size_t n2) +static int utf_strnicmp(const char_u *s1, const char_u *s2, size_t n1, + size_t n2) { int c1, c2, cdiff; char_u buffer[6]; @@ -1389,19 +1393,26 @@ int utf16_to_utf8(const WCHAR *strw, char **str) * Returns zero if s1 and s2 are equal (ignoring case), the difference between * two characters otherwise. */ -int mb_strnicmp(char_u *s1, char_u *s2, size_t nn) +int mb_strnicmp(const char_u *s1, const char_u *s2, const size_t nn) { return utf_strnicmp(s1, s2, nn, nn); } -/* We need to call mb_stricmp() even when we aren't dealing with a multi-byte - * encoding because mb_stricmp() takes care of all ascii and non-ascii - * encodings, including characters with umlauts in latin1, etc., while - * STRICMP() only handles the system locale version, which often does not - * handle non-ascii properly. */ -int mb_stricmp(char_u *s1, char_u *s2) +/// Compare strings case-insensitively +/// +/// @note We need to call mb_stricmp() even when we aren't dealing with +/// a multi-byte encoding because mb_stricmp() takes care of all ASCII and +/// non-ascii encodings, including characters with umlauts in latin1, +/// etc., while STRICMP() only handles the system locale version, which +/// often does not handle non-ascii properly. +/// +/// @param[in] s1 First string to compare, not more then #MAXCOL characters. +/// @param[in] s2 Second string to compare, not more then #MAXCOL characters. +/// +/// @return 0 if strings are equal, <0 if s1 < s2, >0 if s1 > s2. +int mb_stricmp(const char *s1, const char *s2) { - return mb_strnicmp(s1, s2, MAXCOL); + return mb_strnicmp((const char_u *)s1, (const char_u *)s2, MAXCOL); } /* @@ -1639,38 +1650,16 @@ theend: */ void mb_adjust_cursor(void) { - mb_adjustpos(curbuf, &curwin->w_cursor); -} - -/* - * Adjust position "*lp" to point to the first byte of a multi-byte character. - * If it points to a tail byte it's moved backwards to the head byte. - */ -void mb_adjustpos(buf_T *buf, pos_T *lp) -{ - char_u *p; - - if (lp->col > 0 - || lp->coladd > 1 - ) { - p = ml_get_buf(buf, lp->lnum, FALSE); - lp->col -= (*mb_head_off)(p, p + lp->col); - /* Reset "coladd" when the cursor would be on the right half of a - * double-wide character. */ - if (lp->coladd == 1 - && p[lp->col] != TAB - && vim_isprintc((*mb_ptr2char)(p + lp->col)) - && ptr2cells(p + lp->col) > 1) - lp->coladd = 0; - } + mark_mb_adjustpos(curbuf, &curwin->w_cursor); } /// Checks and adjusts cursor column. Not mode-dependent. /// @see check_cursor_col_win /// -/// @param win Places cursor on a valid column for this window. -void mb_check_adjust_col(win_T *win) +/// @param win_ Places cursor on a valid column for this window. +void mb_check_adjust_col(void *win_) { + win_T *win = (win_T *)win_; colnr_T oldcol = win->w_cursor.col; // Column 0 is always valid. @@ -2039,8 +2028,8 @@ void * my_iconv_open(char_u *to, char_u *from) * Returns the converted string in allocated memory. NULL for an error. * If resultlenp is not NULL, sets it to the result length in bytes. */ -static char_u * iconv_string(vimconv_T *vcp, char_u *str, size_t slen, - size_t *unconvlenp, size_t *resultlenp) +static char_u *iconv_string(const vimconv_T *const vcp, char_u *str, + size_t slen, size_t *unconvlenp, size_t *resultlenp) { const char *from; size_t fromlen; @@ -2325,7 +2314,7 @@ int convert_setup_ext(vimconv_T *vcp, char_u *from, bool from_unicode_is_utf8, * Illegal chars are often changed to "?", unless vcp->vc_fail is set. * When something goes wrong, NULL is returned and "*lenp" is unchanged. */ -char_u * string_convert(vimconv_T *vcp, char_u *ptr, size_t *lenp) +char_u *string_convert(const vimconv_T *const vcp, char_u *ptr, size_t *lenp) { return string_convert_ext(vcp, ptr, lenp, NULL); } @@ -2335,7 +2324,7 @@ char_u * string_convert(vimconv_T *vcp, char_u *ptr, size_t *lenp) * an incomplete sequence at the end it is not converted and "*unconvlenp" is * set to the number of remaining bytes. */ -char_u * string_convert_ext(vimconv_T *vcp, char_u *ptr, +char_u * string_convert_ext(const vimconv_T *const vcp, char_u *ptr, size_t *lenp, size_t *unconvlenp) { char_u *retval = NULL; |