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-rw-r--r--src/nvim/charset.c290
1 files changed, 1 insertions, 289 deletions
diff --git a/src/nvim/charset.c b/src/nvim/charset.c
index 72d101108a..0252ef4e9c 100644
--- a/src/nvim/charset.c
+++ b/src/nvim/charset.c
@@ -25,6 +25,7 @@
#include "nvim/move.h"
#include "nvim/option.h"
#include "nvim/os_unix.h"
+#include "nvim/plines.h"
#include "nvim/state.h"
#include "nvim/strings.h"
#include "nvim/path.h"
@@ -733,72 +734,6 @@ int vim_strnsize(char_u *s, int len)
return size;
}
-/// Return the number of characters 'c' will take on the screen, taking
-/// into account the size of a tab.
-/// Also see getvcol() below.
-///
-/// @param p
-/// @param col
-///
-/// @return Number of characters.
-int win_chartabsize(win_T *wp, char_u *p, colnr_T col)
-{
- buf_T *buf = wp->w_buffer;
- if (*p == TAB && (!wp->w_p_list || wp->w_p_lcs_chars.tab1)) {
- return tabstop_padding(col, buf->b_p_ts, buf->b_p_vts_array);
- } else {
- return ptr2cells(p);
- }
-}
-
-/// Return the number of characters the string 's' will take on the screen,
-/// taking into account the size of a tab.
-///
-/// @param s
-///
-/// @return Number of characters the string will take on the screen.
-int linetabsize(char_u *s)
-{
- return linetabsize_col(0, s);
-}
-
-/// Like linetabsize(), but starting at column "startcol".
-///
-/// @param startcol
-/// @param s
-///
-/// @return Number of characters the string will take on the screen.
-int linetabsize_col(int startcol, char_u *s)
-{
- colnr_T col = startcol;
- char_u *line = s; /* pointer to start of line, for breakindent */
-
- while (*s != NUL) {
- col += lbr_chartabsize_adv(line, &s, col);
- }
- return (int)col;
-}
-
-/// Like linetabsize(), but for a given window instead of the current one.
-///
-/// @param wp
-/// @param line
-/// @param len
-///
-/// @return Number of characters the string will take on the screen.
-unsigned int win_linetabsize(win_T *wp, char_u *line, colnr_T len)
-{
- colnr_T col = 0;
-
- for (char_u *s = line;
- *s != NUL && (len == MAXCOL || s < line + len);
- MB_PTR_ADV(s)) {
- col += win_lbr_chartabsize(wp, line, s, col, NULL);
- }
-
- return (unsigned int)col;
-}
-
/// Check that "c" is a normal identifier character:
/// Letters and characters from the 'isident' option.
///
@@ -928,229 +863,6 @@ bool vim_isprintc_strict(int c)
return c > 0 && (g_chartab[c] & CT_PRINT_CHAR);
}
-/// like win_chartabsize(), but also check for line breaks on the screen
-///
-/// @param line
-/// @param s
-/// @param col
-///
-/// @return The number of characters taken up on the screen.
-int lbr_chartabsize(char_u *line, unsigned char *s, colnr_T col)
-{
- if (!curwin->w_p_lbr && (*p_sbr == NUL) && !curwin->w_p_bri) {
- if (curwin->w_p_wrap) {
- return win_nolbr_chartabsize(curwin, s, col, NULL);
- }
- return win_chartabsize(curwin, s, col);
- }
- return win_lbr_chartabsize(curwin, line == NULL ? s: line, s, col, NULL);
-}
-
-/// Call lbr_chartabsize() and advance the pointer.
-///
-/// @param line
-/// @param s
-/// @param col
-///
-/// @return The number of characters take up on the screen.
-int lbr_chartabsize_adv(char_u *line, char_u **s, colnr_T col)
-{
- int retval;
-
- retval = lbr_chartabsize(line, *s, col);
- MB_PTR_ADV(*s);
- return retval;
-}
-
-/// This function is used very often, keep it fast!!!!
-///
-/// If "headp" not NULL, set *headp to the size of what we for 'showbreak'
-/// string at start of line. Warning: *headp is only set if it's a non-zero
-/// value, init to 0 before calling.
-///
-/// @param wp
-/// @param line
-/// @param s
-/// @param col
-/// @param headp
-///
-/// @return The number of characters taken up on the screen.
-int win_lbr_chartabsize(win_T *wp, char_u *line, char_u *s, colnr_T col, int *headp)
-{
- colnr_T col2;
- colnr_T col_adj = 0; /* col + screen size of tab */
- colnr_T colmax;
- int added;
- int mb_added = 0;
- int numberextra;
- char_u *ps;
- int n;
-
- // No 'linebreak', 'showbreak' and 'breakindent': return quickly.
- if (!wp->w_p_lbr && !wp->w_p_bri && (*p_sbr == NUL)) {
- if (wp->w_p_wrap) {
- return win_nolbr_chartabsize(wp, s, col, headp);
- }
- return win_chartabsize(wp, s, col);
- }
-
- // First get normal size, without 'linebreak'
- int size = win_chartabsize(wp, s, col);
- int c = *s;
- if (*s == TAB) {
- col_adj = size - 1;
- }
-
- // If 'linebreak' set check at a blank before a non-blank if the line
- // needs a break here
- if (wp->w_p_lbr
- && vim_isbreak(c)
- && !vim_isbreak((int)s[1])
- && wp->w_p_wrap
- && (wp->w_width_inner != 0)) {
- // Count all characters from first non-blank after a blank up to next
- // non-blank after a blank.
- numberextra = win_col_off(wp);
- col2 = col;
- colmax = (colnr_T)(wp->w_width_inner - numberextra - col_adj);
-
- if (col >= colmax) {
- colmax += col_adj;
- n = colmax + win_col_off2(wp);
-
- if (n > 0) {
- colmax += (((col - colmax) / n) + 1) * n - col_adj;
- }
- }
-
- for (;;) {
- ps = s;
- MB_PTR_ADV(s);
- c = *s;
-
- if (!(c != NUL
- && (vim_isbreak(c) || col2 == col || !vim_isbreak((int)(*ps))))) {
- break;
- }
-
- col2 += win_chartabsize(wp, s, col2);
-
- if (col2 >= colmax) { /* doesn't fit */
- size = colmax - col + col_adj;
- break;
- }
- }
- } else if ((size == 2)
- && (MB_BYTE2LEN(*s) > 1)
- && wp->w_p_wrap
- && in_win_border(wp, col)) {
- // Count the ">" in the last column.
- ++size;
- mb_added = 1;
- }
-
- // May have to add something for 'breakindent' and/or 'showbreak'
- // string at start of line.
- // Set *headp to the size of what we add.
- added = 0;
-
- if ((*p_sbr != NUL || wp->w_p_bri) && wp->w_p_wrap && (col != 0)) {
- colnr_T sbrlen = 0;
- int numberwidth = win_col_off(wp);
-
- numberextra = numberwidth;
- col += numberextra + mb_added;
-
- if (col >= (colnr_T)wp->w_width_inner) {
- col -= wp->w_width_inner;
- numberextra = wp->w_width_inner - (numberextra - win_col_off2(wp));
- if (col >= numberextra && numberextra > 0) {
- col %= numberextra;
- }
- if (*p_sbr != NUL) {
- sbrlen = (colnr_T)MB_CHARLEN(p_sbr);
- if (col >= sbrlen) {
- col -= sbrlen;
- }
- }
- if (col >= numberextra && numberextra > 0) {
- col %= numberextra;
- } else if (col > 0 && numberextra > 0) {
- col += numberwidth - win_col_off2(wp);
- }
-
- numberwidth -= win_col_off2(wp);
- }
-
- if (col == 0 || (col + size + sbrlen > (colnr_T)wp->w_width_inner)) {
- if (*p_sbr != NUL) {
- if (size + sbrlen + numberwidth > (colnr_T)wp->w_width_inner) {
- // Calculate effective window width.
- int width = (colnr_T)wp->w_width_inner - sbrlen - numberwidth;
- int prev_width = col ? ((colnr_T)wp->w_width_inner - (sbrlen + col))
- : 0;
-
- if (width <= 0) {
- width = 1;
- }
- added += ((size - prev_width) / width) * vim_strsize(p_sbr);
- if ((size - prev_width) % width) {
- // Wrapped, add another length of 'sbr'.
- added += vim_strsize(p_sbr);
- }
- } else {
- added += vim_strsize(p_sbr);
- }
- }
-
- if (wp->w_p_bri)
- added += get_breakindent_win(wp, line);
-
- size += added;
- if (col != 0) {
- added = 0;
- }
- }
- }
-
- if (headp != NULL) {
- *headp = added + mb_added;
- }
- return size;
-}
-
-/// Like win_lbr_chartabsize(), except that we know 'linebreak' is off and
-/// 'wrap' is on. This means we need to check for a double-byte character that
-/// doesn't fit at the end of the screen line.
-///
-/// @param wp
-/// @param s
-/// @param col
-/// @param headp
-///
-/// @return The number of characters take up on the screen.
-static int win_nolbr_chartabsize(win_T *wp, char_u *s, colnr_T col, int *headp)
-{
- int n;
-
- if ((*s == TAB) && (!wp->w_p_list || wp->w_p_lcs_chars.tab1)) {
- return tabstop_padding(col,
- wp->w_buffer->b_p_ts,
- wp->w_buffer->b_p_vts_array);
- }
- n = ptr2cells(s);
-
- // Add one cell for a double-width character in the last column of the
- // window, displayed with a ">".
- if ((n == 2) && (MB_BYTE2LEN(*s) > 1) && in_win_border(wp, col)) {
- if (headp != NULL) {
- *headp = 1;
- }
- return 3;
- }
- return n;
-}
-
/// Check that virtual column "vcol" is in the rightmost column of window "wp".
///
/// @param wp window
generated by cgit (git 2.34.1) at 2025-05-29 20:21:59 +0000