mirror of
https://github.com/neovim/neovim
synced 2025-07-16 01:01:49 +00:00
committed by
Thiago de Arruda
parent
a21c8589ef
commit
bbf6442433
@ -22,6 +22,7 @@
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#include "fileio.h"
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#include "fold.h"
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#include "getchar.h"
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#include "indent.h"
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#include "main.h"
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#include "mbyte.h"
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#include "memline.h"
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@ -27,6 +27,7 @@
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#include "getchar.h"
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#include "hashtab.h"
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#include "if_cscope.h"
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#include "indent.h"
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#include "mark.h"
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#include "mbyte.h"
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#include "memline.h"
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@ -27,6 +27,7 @@
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#include "fileio.h"
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#include "fold.h"
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#include "getchar.h"
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#include "indent.h"
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#include "main.h"
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#include "mark.h"
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#include "mbyte.h"
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@ -25,6 +25,7 @@
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#include "fileio.h"
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#include "getchar.h"
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#include "if_cscope.h"
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#include "indent.h"
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#include "main.h"
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#include "mbyte.h"
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#include "memline.h"
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@ -18,6 +18,7 @@
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#include "diff.h"
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#include "eval.h"
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#include "ex_docmd.h"
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#include "indent.h"
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#include "mark.h"
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#include "memline.h"
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#include "message.h"
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401
src/indent.c
Normal file
401
src/indent.c
Normal file
@ -0,0 +1,401 @@
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#include "indent.h"
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#include "charset.h"
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#include "memline.h"
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#include "misc1.h"
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#include "misc2.h"
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#include "option.h"
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#include "regexp.h"
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#include "undo.h"
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/*
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* Count the size (in window cells) of the indent in the current line.
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*/
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int get_indent(void) {
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return get_indent_str(ml_get_curline(), (int)curbuf->b_p_ts);
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}
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/*
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* Count the size (in window cells) of the indent in line "lnum".
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*/
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int get_indent_lnum(linenr_T lnum)
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{
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return get_indent_str(ml_get(lnum), (int)curbuf->b_p_ts);
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}
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/*
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* Count the size (in window cells) of the indent in line "lnum" of buffer
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* "buf".
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*/
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int get_indent_buf(buf_T *buf, linenr_T lnum)
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{
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return get_indent_str(ml_get_buf(buf, lnum, FALSE), (int)buf->b_p_ts);
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}
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/*
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* count the size (in window cells) of the indent in line "ptr", with
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* 'tabstop' at "ts"
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*/
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int get_indent_str(char_u *ptr, int ts)
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{
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int count = 0;
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for (; *ptr; ++ptr) {
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if (*ptr == TAB) /* count a tab for what it is worth */
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count += ts - (count % ts);
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else if (*ptr == ' ')
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++count; /* count a space for one */
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else
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break;
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}
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return count;
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}
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/*
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* Set the indent of the current line.
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* Leaves the cursor on the first non-blank in the line.
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* Caller must take care of undo.
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* "flags":
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* SIN_CHANGED: call changed_bytes() if the line was changed.
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* SIN_INSERT: insert the indent in front of the line.
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* SIN_UNDO: save line for undo before changing it.
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* Returns TRUE if the line was changed.
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*/
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int
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set_indent (
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int size, /* measured in spaces */
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int flags
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)
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{
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char_u *p;
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char_u *newline;
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char_u *oldline;
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char_u *s;
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int todo;
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int ind_len; /* measured in characters */
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int line_len;
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int doit = FALSE;
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int ind_done = 0; /* measured in spaces */
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int tab_pad;
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int retval = FALSE;
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int orig_char_len = -1; /* number of initial whitespace chars when
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'et' and 'pi' are both set */
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/*
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* First check if there is anything to do and compute the number of
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* characters needed for the indent.
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*/
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todo = size;
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ind_len = 0;
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p = oldline = ml_get_curline();
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/* Calculate the buffer size for the new indent, and check to see if it
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* isn't already set */
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/* if 'expandtab' isn't set: use TABs; if both 'expandtab' and
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* 'preserveindent' are set count the number of characters at the
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* beginning of the line to be copied */
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if (!curbuf->b_p_et || (!(flags & SIN_INSERT) && curbuf->b_p_pi)) {
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/* If 'preserveindent' is set then reuse as much as possible of
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* the existing indent structure for the new indent */
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if (!(flags & SIN_INSERT) && curbuf->b_p_pi) {
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ind_done = 0;
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/* count as many characters as we can use */
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while (todo > 0 && vim_iswhite(*p)) {
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if (*p == TAB) {
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tab_pad = (int)curbuf->b_p_ts
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- (ind_done % (int)curbuf->b_p_ts);
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/* stop if this tab will overshoot the target */
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if (todo < tab_pad)
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break;
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todo -= tab_pad;
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++ind_len;
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ind_done += tab_pad;
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} else {
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--todo;
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++ind_len;
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++ind_done;
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}
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++p;
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}
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/* Set initial number of whitespace chars to copy if we are
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* preserving indent but expandtab is set */
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if (curbuf->b_p_et)
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orig_char_len = ind_len;
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/* Fill to next tabstop with a tab, if possible */
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tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
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if (todo >= tab_pad && orig_char_len == -1) {
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doit = TRUE;
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todo -= tab_pad;
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++ind_len;
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/* ind_done += tab_pad; */
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}
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}
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/* count tabs required for indent */
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while (todo >= (int)curbuf->b_p_ts) {
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if (*p != TAB)
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doit = TRUE;
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else
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++p;
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todo -= (int)curbuf->b_p_ts;
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++ind_len;
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/* ind_done += (int)curbuf->b_p_ts; */
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}
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}
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/* count spaces required for indent */
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while (todo > 0) {
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if (*p != ' ')
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doit = TRUE;
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else
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++p;
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--todo;
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++ind_len;
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/* ++ind_done; */
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}
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/* Return if the indent is OK already. */
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if (!doit && !vim_iswhite(*p) && !(flags & SIN_INSERT))
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return FALSE;
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/* Allocate memory for the new line. */
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if (flags & SIN_INSERT)
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p = oldline;
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else
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p = skipwhite(p);
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line_len = (int)STRLEN(p) + 1;
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/* If 'preserveindent' and 'expandtab' are both set keep the original
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* characters and allocate accordingly. We will fill the rest with spaces
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* after the if (!curbuf->b_p_et) below. */
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if (orig_char_len != -1) {
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newline = alloc(orig_char_len + size - ind_done + line_len);
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if (newline == NULL)
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return FALSE;
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todo = size - ind_done;
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ind_len = orig_char_len + todo; /* Set total length of indent in
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* characters, which may have been
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* undercounted until now */
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p = oldline;
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s = newline;
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while (orig_char_len > 0) {
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*s++ = *p++;
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orig_char_len--;
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}
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/* Skip over any additional white space (useful when newindent is less
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* than old) */
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while (vim_iswhite(*p))
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++p;
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} else {
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todo = size;
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newline = alloc(ind_len + line_len);
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if (newline == NULL)
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return FALSE;
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s = newline;
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}
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/* Put the characters in the new line. */
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/* if 'expandtab' isn't set: use TABs */
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if (!curbuf->b_p_et) {
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/* If 'preserveindent' is set then reuse as much as possible of
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* the existing indent structure for the new indent */
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if (!(flags & SIN_INSERT) && curbuf->b_p_pi) {
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p = oldline;
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ind_done = 0;
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while (todo > 0 && vim_iswhite(*p)) {
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if (*p == TAB) {
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tab_pad = (int)curbuf->b_p_ts
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- (ind_done % (int)curbuf->b_p_ts);
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/* stop if this tab will overshoot the target */
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if (todo < tab_pad)
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break;
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todo -= tab_pad;
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ind_done += tab_pad;
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} else {
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--todo;
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++ind_done;
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}
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*s++ = *p++;
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}
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/* Fill to next tabstop with a tab, if possible */
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tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
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if (todo >= tab_pad) {
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*s++ = TAB;
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todo -= tab_pad;
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}
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p = skipwhite(p);
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}
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while (todo >= (int)curbuf->b_p_ts) {
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*s++ = TAB;
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todo -= (int)curbuf->b_p_ts;
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}
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}
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while (todo > 0) {
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*s++ = ' ';
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--todo;
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}
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mch_memmove(s, p, (size_t)line_len);
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/* Replace the line (unless undo fails). */
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if (!(flags & SIN_UNDO) || u_savesub(curwin->w_cursor.lnum) == OK) {
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ml_replace(curwin->w_cursor.lnum, newline, FALSE);
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if (flags & SIN_CHANGED)
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changed_bytes(curwin->w_cursor.lnum, 0);
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/* Correct saved cursor position if it is in this line. */
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if (saved_cursor.lnum == curwin->w_cursor.lnum) {
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if (saved_cursor.col >= (colnr_T)(p - oldline))
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/* cursor was after the indent, adjust for the number of
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* bytes added/removed */
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saved_cursor.col += ind_len - (colnr_T)(p - oldline);
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else if (saved_cursor.col >= (colnr_T)(s - newline))
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/* cursor was in the indent, and is now after it, put it back
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* at the start of the indent (replacing spaces with TAB) */
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saved_cursor.col = (colnr_T)(s - newline);
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}
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retval = TRUE;
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} else
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vim_free(newline);
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curwin->w_cursor.col = ind_len;
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return retval;
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}
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/*
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* Copy the indent from ptr to the current line (and fill to size)
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* Leaves the cursor on the first non-blank in the line.
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* Returns TRUE if the line was changed.
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*/
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int copy_indent(int size, char_u *src)
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{
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char_u *p = NULL;
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char_u *line = NULL;
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char_u *s;
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int todo;
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int ind_len;
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int line_len = 0;
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int tab_pad;
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int ind_done;
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int round;
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/* Round 1: compute the number of characters needed for the indent
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* Round 2: copy the characters. */
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for (round = 1; round <= 2; ++round) {
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todo = size;
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ind_len = 0;
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ind_done = 0;
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s = src;
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/* Count/copy the usable portion of the source line */
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while (todo > 0 && vim_iswhite(*s)) {
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if (*s == TAB) {
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tab_pad = (int)curbuf->b_p_ts
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- (ind_done % (int)curbuf->b_p_ts);
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/* Stop if this tab will overshoot the target */
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if (todo < tab_pad)
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break;
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todo -= tab_pad;
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ind_done += tab_pad;
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} else {
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--todo;
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++ind_done;
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}
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++ind_len;
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if (p != NULL)
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*p++ = *s;
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++s;
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}
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/* Fill to next tabstop with a tab, if possible */
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tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
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if (todo >= tab_pad && !curbuf->b_p_et) {
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todo -= tab_pad;
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++ind_len;
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if (p != NULL)
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*p++ = TAB;
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}
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/* Add tabs required for indent */
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while (todo >= (int)curbuf->b_p_ts && !curbuf->b_p_et) {
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todo -= (int)curbuf->b_p_ts;
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++ind_len;
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if (p != NULL)
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*p++ = TAB;
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}
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/* Count/add spaces required for indent */
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while (todo > 0) {
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--todo;
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++ind_len;
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if (p != NULL)
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*p++ = ' ';
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}
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if (p == NULL) {
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/* Allocate memory for the result: the copied indent, new indent
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* and the rest of the line. */
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line_len = (int)STRLEN(ml_get_curline()) + 1;
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line = alloc(ind_len + line_len);
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if (line == NULL)
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return FALSE;
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p = line;
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}
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}
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/* Append the original line */
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mch_memmove(p, ml_get_curline(), (size_t)line_len);
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/* Replace the line */
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ml_replace(curwin->w_cursor.lnum, line, FALSE);
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/* Put the cursor after the indent. */
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curwin->w_cursor.col = ind_len;
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return TRUE;
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}
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/*
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* Return the indent of the current line after a number. Return -1 if no
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* number was found. Used for 'n' in 'formatoptions': numbered list.
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* Since a pattern is used it can actually handle more than numbers.
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*/
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int get_number_indent(linenr_T lnum)
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{
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colnr_T col;
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pos_T pos;
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regmatch_T regmatch;
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int lead_len = 0; /* length of comment leader */
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if (lnum > curbuf->b_ml.ml_line_count)
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return -1;
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pos.lnum = 0;
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/* In format_lines() (i.e. not insert mode), fo+=q is needed too... */
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if ((State & INSERT) || has_format_option(FO_Q_COMS))
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lead_len = get_leader_len(ml_get(lnum), NULL, FALSE, TRUE);
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regmatch.regprog = vim_regcomp(curbuf->b_p_flp, RE_MAGIC);
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if (regmatch.regprog != NULL) {
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regmatch.rm_ic = FALSE;
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/* vim_regexec() expects a pointer to a line. This lets us
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* start matching for the flp beyond any comment leader... */
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if (vim_regexec(®match, ml_get(lnum) + lead_len, (colnr_T)0)) {
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pos.lnum = lnum;
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pos.col = (colnr_T)(*regmatch.endp - ml_get(lnum));
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pos.coladd = 0;
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}
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vim_regfree(regmatch.regprog);
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}
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if (pos.lnum == 0 || *ml_get_pos(&pos) == NUL)
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return -1;
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getvcol(curwin, &pos, &col, NULL, NULL);
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return (int)col;
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}
|
11
src/indent.h
Normal file
11
src/indent.h
Normal file
@ -0,0 +1,11 @@
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#ifndef NEOVIM_INDENT_H
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#define NEOVIM_INDENT_H
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#include "vim.h"
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int get_indent(void);
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int get_indent_lnum(linenr_T lnum);
|
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int get_indent_buf(buf_T *buf, linenr_T lnum);
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int get_indent_str(char_u *ptr, int ts);
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int set_indent(int size, int flags);
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int copy_indent(int size, char_u *src);
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int get_number_indent(linenr_T lnum);
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#endif
|
396
src/misc1.c
396
src/misc1.c
@ -24,6 +24,7 @@
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#include "fileio.h"
|
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#include "fold.h"
|
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#include "getchar.h"
|
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#include "indent.h"
|
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#include "main.h"
|
||||
#include "mark.h"
|
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#include "mbyte.h"
|
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@ -52,405 +53,10 @@
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static char_u *vim_version_dir(char_u *vimdir);
|
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static char_u *remove_tail(char_u *p, char_u *pend, char_u *name);
|
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static void init_users(void);
|
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static int copy_indent(int size, char_u *src);
|
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|
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/* All user names (for ~user completion as done by shell). */
|
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static garray_T ga_users;
|
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|
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/*
|
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* Count the size (in window cells) of the indent in the current line.
|
||||
*/
|
||||
int get_indent(void) {
|
||||
return get_indent_str(ml_get_curline(), (int)curbuf->b_p_ts);
|
||||
}
|
||||
|
||||
/*
|
||||
* Count the size (in window cells) of the indent in line "lnum".
|
||||
*/
|
||||
int get_indent_lnum(linenr_T lnum)
|
||||
{
|
||||
return get_indent_str(ml_get(lnum), (int)curbuf->b_p_ts);
|
||||
}
|
||||
|
||||
/*
|
||||
* Count the size (in window cells) of the indent in line "lnum" of buffer
|
||||
* "buf".
|
||||
*/
|
||||
int get_indent_buf(buf_T *buf, linenr_T lnum)
|
||||
{
|
||||
return get_indent_str(ml_get_buf(buf, lnum, FALSE), (int)buf->b_p_ts);
|
||||
}
|
||||
|
||||
/*
|
||||
* count the size (in window cells) of the indent in line "ptr", with
|
||||
* 'tabstop' at "ts"
|
||||
*/
|
||||
int get_indent_str(char_u *ptr, int ts)
|
||||
{
|
||||
int count = 0;
|
||||
|
||||
for (; *ptr; ++ptr) {
|
||||
if (*ptr == TAB) /* count a tab for what it is worth */
|
||||
count += ts - (count % ts);
|
||||
else if (*ptr == ' ')
|
||||
++count; /* count a space for one */
|
||||
else
|
||||
break;
|
||||
}
|
||||
return count;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set the indent of the current line.
|
||||
* Leaves the cursor on the first non-blank in the line.
|
||||
* Caller must take care of undo.
|
||||
* "flags":
|
||||
* SIN_CHANGED: call changed_bytes() if the line was changed.
|
||||
* SIN_INSERT: insert the indent in front of the line.
|
||||
* SIN_UNDO: save line for undo before changing it.
|
||||
* Returns TRUE if the line was changed.
|
||||
*/
|
||||
int
|
||||
set_indent (
|
||||
int size, /* measured in spaces */
|
||||
int flags
|
||||
)
|
||||
{
|
||||
char_u *p;
|
||||
char_u *newline;
|
||||
char_u *oldline;
|
||||
char_u *s;
|
||||
int todo;
|
||||
int ind_len; /* measured in characters */
|
||||
int line_len;
|
||||
int doit = FALSE;
|
||||
int ind_done = 0; /* measured in spaces */
|
||||
int tab_pad;
|
||||
int retval = FALSE;
|
||||
int orig_char_len = -1; /* number of initial whitespace chars when
|
||||
'et' and 'pi' are both set */
|
||||
|
||||
/*
|
||||
* First check if there is anything to do and compute the number of
|
||||
* characters needed for the indent.
|
||||
*/
|
||||
todo = size;
|
||||
ind_len = 0;
|
||||
p = oldline = ml_get_curline();
|
||||
|
||||
/* Calculate the buffer size for the new indent, and check to see if it
|
||||
* isn't already set */
|
||||
|
||||
/* if 'expandtab' isn't set: use TABs; if both 'expandtab' and
|
||||
* 'preserveindent' are set count the number of characters at the
|
||||
* beginning of the line to be copied */
|
||||
if (!curbuf->b_p_et || (!(flags & SIN_INSERT) && curbuf->b_p_pi)) {
|
||||
/* If 'preserveindent' is set then reuse as much as possible of
|
||||
* the existing indent structure for the new indent */
|
||||
if (!(flags & SIN_INSERT) && curbuf->b_p_pi) {
|
||||
ind_done = 0;
|
||||
|
||||
/* count as many characters as we can use */
|
||||
while (todo > 0 && vim_iswhite(*p)) {
|
||||
if (*p == TAB) {
|
||||
tab_pad = (int)curbuf->b_p_ts
|
||||
- (ind_done % (int)curbuf->b_p_ts);
|
||||
/* stop if this tab will overshoot the target */
|
||||
if (todo < tab_pad)
|
||||
break;
|
||||
todo -= tab_pad;
|
||||
++ind_len;
|
||||
ind_done += tab_pad;
|
||||
} else {
|
||||
--todo;
|
||||
++ind_len;
|
||||
++ind_done;
|
||||
}
|
||||
++p;
|
||||
}
|
||||
|
||||
/* Set initial number of whitespace chars to copy if we are
|
||||
* preserving indent but expandtab is set */
|
||||
if (curbuf->b_p_et)
|
||||
orig_char_len = ind_len;
|
||||
|
||||
/* Fill to next tabstop with a tab, if possible */
|
||||
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
|
||||
if (todo >= tab_pad && orig_char_len == -1) {
|
||||
doit = TRUE;
|
||||
todo -= tab_pad;
|
||||
++ind_len;
|
||||
/* ind_done += tab_pad; */
|
||||
}
|
||||
}
|
||||
|
||||
/* count tabs required for indent */
|
||||
while (todo >= (int)curbuf->b_p_ts) {
|
||||
if (*p != TAB)
|
||||
doit = TRUE;
|
||||
else
|
||||
++p;
|
||||
todo -= (int)curbuf->b_p_ts;
|
||||
++ind_len;
|
||||
/* ind_done += (int)curbuf->b_p_ts; */
|
||||
}
|
||||
}
|
||||
/* count spaces required for indent */
|
||||
while (todo > 0) {
|
||||
if (*p != ' ')
|
||||
doit = TRUE;
|
||||
else
|
||||
++p;
|
||||
--todo;
|
||||
++ind_len;
|
||||
/* ++ind_done; */
|
||||
}
|
||||
|
||||
/* Return if the indent is OK already. */
|
||||
if (!doit && !vim_iswhite(*p) && !(flags & SIN_INSERT))
|
||||
return FALSE;
|
||||
|
||||
/* Allocate memory for the new line. */
|
||||
if (flags & SIN_INSERT)
|
||||
p = oldline;
|
||||
else
|
||||
p = skipwhite(p);
|
||||
line_len = (int)STRLEN(p) + 1;
|
||||
|
||||
/* If 'preserveindent' and 'expandtab' are both set keep the original
|
||||
* characters and allocate accordingly. We will fill the rest with spaces
|
||||
* after the if (!curbuf->b_p_et) below. */
|
||||
if (orig_char_len != -1) {
|
||||
newline = alloc(orig_char_len + size - ind_done + line_len);
|
||||
if (newline == NULL)
|
||||
return FALSE;
|
||||
todo = size - ind_done;
|
||||
ind_len = orig_char_len + todo; /* Set total length of indent in
|
||||
* characters, which may have been
|
||||
* undercounted until now */
|
||||
p = oldline;
|
||||
s = newline;
|
||||
while (orig_char_len > 0) {
|
||||
*s++ = *p++;
|
||||
orig_char_len--;
|
||||
}
|
||||
|
||||
/* Skip over any additional white space (useful when newindent is less
|
||||
* than old) */
|
||||
while (vim_iswhite(*p))
|
||||
++p;
|
||||
|
||||
} else {
|
||||
todo = size;
|
||||
newline = alloc(ind_len + line_len);
|
||||
if (newline == NULL)
|
||||
return FALSE;
|
||||
s = newline;
|
||||
}
|
||||
|
||||
/* Put the characters in the new line. */
|
||||
/* if 'expandtab' isn't set: use TABs */
|
||||
if (!curbuf->b_p_et) {
|
||||
/* If 'preserveindent' is set then reuse as much as possible of
|
||||
* the existing indent structure for the new indent */
|
||||
if (!(flags & SIN_INSERT) && curbuf->b_p_pi) {
|
||||
p = oldline;
|
||||
ind_done = 0;
|
||||
|
||||
while (todo > 0 && vim_iswhite(*p)) {
|
||||
if (*p == TAB) {
|
||||
tab_pad = (int)curbuf->b_p_ts
|
||||
- (ind_done % (int)curbuf->b_p_ts);
|
||||
/* stop if this tab will overshoot the target */
|
||||
if (todo < tab_pad)
|
||||
break;
|
||||
todo -= tab_pad;
|
||||
ind_done += tab_pad;
|
||||
} else {
|
||||
--todo;
|
||||
++ind_done;
|
||||
}
|
||||
*s++ = *p++;
|
||||
}
|
||||
|
||||
/* Fill to next tabstop with a tab, if possible */
|
||||
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
|
||||
if (todo >= tab_pad) {
|
||||
*s++ = TAB;
|
||||
todo -= tab_pad;
|
||||
}
|
||||
|
||||
p = skipwhite(p);
|
||||
}
|
||||
|
||||
while (todo >= (int)curbuf->b_p_ts) {
|
||||
*s++ = TAB;
|
||||
todo -= (int)curbuf->b_p_ts;
|
||||
}
|
||||
}
|
||||
while (todo > 0) {
|
||||
*s++ = ' ';
|
||||
--todo;
|
||||
}
|
||||
mch_memmove(s, p, (size_t)line_len);
|
||||
|
||||
/* Replace the line (unless undo fails). */
|
||||
if (!(flags & SIN_UNDO) || u_savesub(curwin->w_cursor.lnum) == OK) {
|
||||
ml_replace(curwin->w_cursor.lnum, newline, FALSE);
|
||||
if (flags & SIN_CHANGED)
|
||||
changed_bytes(curwin->w_cursor.lnum, 0);
|
||||
/* Correct saved cursor position if it is in this line. */
|
||||
if (saved_cursor.lnum == curwin->w_cursor.lnum) {
|
||||
if (saved_cursor.col >= (colnr_T)(p - oldline))
|
||||
/* cursor was after the indent, adjust for the number of
|
||||
* bytes added/removed */
|
||||
saved_cursor.col += ind_len - (colnr_T)(p - oldline);
|
||||
else if (saved_cursor.col >= (colnr_T)(s - newline))
|
||||
/* cursor was in the indent, and is now after it, put it back
|
||||
* at the start of the indent (replacing spaces with TAB) */
|
||||
saved_cursor.col = (colnr_T)(s - newline);
|
||||
}
|
||||
retval = TRUE;
|
||||
} else
|
||||
vim_free(newline);
|
||||
|
||||
curwin->w_cursor.col = ind_len;
|
||||
return retval;
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy the indent from ptr to the current line (and fill to size)
|
||||
* Leaves the cursor on the first non-blank in the line.
|
||||
* Returns TRUE if the line was changed.
|
||||
*/
|
||||
static int copy_indent(int size, char_u *src)
|
||||
{
|
||||
char_u *p = NULL;
|
||||
char_u *line = NULL;
|
||||
char_u *s;
|
||||
int todo;
|
||||
int ind_len;
|
||||
int line_len = 0;
|
||||
int tab_pad;
|
||||
int ind_done;
|
||||
int round;
|
||||
|
||||
/* Round 1: compute the number of characters needed for the indent
|
||||
* Round 2: copy the characters. */
|
||||
for (round = 1; round <= 2; ++round) {
|
||||
todo = size;
|
||||
ind_len = 0;
|
||||
ind_done = 0;
|
||||
s = src;
|
||||
|
||||
/* Count/copy the usable portion of the source line */
|
||||
while (todo > 0 && vim_iswhite(*s)) {
|
||||
if (*s == TAB) {
|
||||
tab_pad = (int)curbuf->b_p_ts
|
||||
- (ind_done % (int)curbuf->b_p_ts);
|
||||
/* Stop if this tab will overshoot the target */
|
||||
if (todo < tab_pad)
|
||||
break;
|
||||
todo -= tab_pad;
|
||||
ind_done += tab_pad;
|
||||
} else {
|
||||
--todo;
|
||||
++ind_done;
|
||||
}
|
||||
++ind_len;
|
||||
if (p != NULL)
|
||||
*p++ = *s;
|
||||
++s;
|
||||
}
|
||||
|
||||
/* Fill to next tabstop with a tab, if possible */
|
||||
tab_pad = (int)curbuf->b_p_ts - (ind_done % (int)curbuf->b_p_ts);
|
||||
if (todo >= tab_pad && !curbuf->b_p_et) {
|
||||
todo -= tab_pad;
|
||||
++ind_len;
|
||||
if (p != NULL)
|
||||
*p++ = TAB;
|
||||
}
|
||||
|
||||
/* Add tabs required for indent */
|
||||
while (todo >= (int)curbuf->b_p_ts && !curbuf->b_p_et) {
|
||||
todo -= (int)curbuf->b_p_ts;
|
||||
++ind_len;
|
||||
if (p != NULL)
|
||||
*p++ = TAB;
|
||||
}
|
||||
|
||||
/* Count/add spaces required for indent */
|
||||
while (todo > 0) {
|
||||
--todo;
|
||||
++ind_len;
|
||||
if (p != NULL)
|
||||
*p++ = ' ';
|
||||
}
|
||||
|
||||
if (p == NULL) {
|
||||
/* Allocate memory for the result: the copied indent, new indent
|
||||
* and the rest of the line. */
|
||||
line_len = (int)STRLEN(ml_get_curline()) + 1;
|
||||
line = alloc(ind_len + line_len);
|
||||
if (line == NULL)
|
||||
return FALSE;
|
||||
p = line;
|
||||
}
|
||||
}
|
||||
|
||||
/* Append the original line */
|
||||
mch_memmove(p, ml_get_curline(), (size_t)line_len);
|
||||
|
||||
/* Replace the line */
|
||||
ml_replace(curwin->w_cursor.lnum, line, FALSE);
|
||||
|
||||
/* Put the cursor after the indent. */
|
||||
curwin->w_cursor.col = ind_len;
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return the indent of the current line after a number. Return -1 if no
|
||||
* number was found. Used for 'n' in 'formatoptions': numbered list.
|
||||
* Since a pattern is used it can actually handle more than numbers.
|
||||
*/
|
||||
int get_number_indent(linenr_T lnum)
|
||||
{
|
||||
colnr_T col;
|
||||
pos_T pos;
|
||||
|
||||
regmatch_T regmatch;
|
||||
int lead_len = 0; /* length of comment leader */
|
||||
|
||||
if (lnum > curbuf->b_ml.ml_line_count)
|
||||
return -1;
|
||||
pos.lnum = 0;
|
||||
|
||||
/* In format_lines() (i.e. not insert mode), fo+=q is needed too... */
|
||||
if ((State & INSERT) || has_format_option(FO_Q_COMS))
|
||||
lead_len = get_leader_len(ml_get(lnum), NULL, FALSE, TRUE);
|
||||
regmatch.regprog = vim_regcomp(curbuf->b_p_flp, RE_MAGIC);
|
||||
if (regmatch.regprog != NULL) {
|
||||
regmatch.rm_ic = FALSE;
|
||||
|
||||
/* vim_regexec() expects a pointer to a line. This lets us
|
||||
* start matching for the flp beyond any comment leader... */
|
||||
if (vim_regexec(®match, ml_get(lnum) + lead_len, (colnr_T)0)) {
|
||||
pos.lnum = lnum;
|
||||
pos.col = (colnr_T)(*regmatch.endp - ml_get(lnum));
|
||||
pos.coladd = 0;
|
||||
}
|
||||
vim_regfree(regmatch.regprog);
|
||||
}
|
||||
|
||||
if (pos.lnum == 0 || *ml_get_pos(&pos) == NUL)
|
||||
return -1;
|
||||
getvcol(curwin, &pos, &col, NULL, NULL);
|
||||
return (int)col;
|
||||
}
|
||||
|
||||
|
||||
static int cin_is_cinword(char_u *line);
|
||||
|
||||
/*
|
||||
|
@ -1,12 +1,6 @@
|
||||
#ifndef NEOVIM_MISC1_H
|
||||
#define NEOVIM_MISC1_H
|
||||
/* misc1.c */
|
||||
int get_indent(void);
|
||||
int get_indent_lnum(linenr_T lnum);
|
||||
int get_indent_buf(buf_T *buf, linenr_T lnum);
|
||||
int get_indent_str(char_u *ptr, int ts);
|
||||
int set_indent(int size, int flags);
|
||||
int get_number_indent(linenr_T lnum);
|
||||
int open_line(int dir, int flags, int second_line_indent);
|
||||
int get_leader_len(char_u *line, char_u **flags, int backward,
|
||||
int include_space);
|
||||
|
Reference in New Issue
Block a user