Gitiles
Code Review Sign In
gerrit.omnirom.org / android_external_vim / d2f49879990407b209f39397b9880f91f851a49a / . / src / ops.c
blob: eb75c34b1bdbae548a8a91d6167c2b7fb4c9518d [file] [log] [blame]
/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* ops.c: implementation of various operators: op_shift, op_delete, op_tilde,
* op_change, op_yank, do_join
*/
#include "vim.h"
static void shift_block(oparg_T *oap, int amount);
static void mb_adjust_opend(oparg_T *oap);
static int do_addsub(int op_type, pos_T *pos, int length, linenr_T Prenum1);
static void pbyte(pos_T lp, int c);
#define PBYTE(lp, c) pbyte(lp, c)
// Flags for third item in "opchars".
#define OPF_LINES 1 // operator always works on lines
#define OPF_CHANGE 2 // operator changes text
/*
* The names of operators.
* IMPORTANT: Index must correspond with defines in vim.h!!!
* The third field holds OPF_ flags.
*/
static char opchars[][3] =
{
{NUL, NUL, 0}, // OP_NOP
{'d', NUL, OPF_CHANGE}, // OP_DELETE
{'y', NUL, 0}, // OP_YANK
{'c', NUL, OPF_CHANGE}, // OP_CHANGE
{'<', NUL, OPF_LINES | OPF_CHANGE}, // OP_LSHIFT
{'>', NUL, OPF_LINES | OPF_CHANGE}, // OP_RSHIFT
{'!', NUL, OPF_LINES | OPF_CHANGE}, // OP_FILTER
{'g', '~', OPF_CHANGE}, // OP_TILDE
{'=', NUL, OPF_LINES | OPF_CHANGE}, // OP_INDENT
{'g', 'q', OPF_LINES | OPF_CHANGE}, // OP_FORMAT
{':', NUL, OPF_LINES}, // OP_COLON
{'g', 'U', OPF_CHANGE}, // OP_UPPER
{'g', 'u', OPF_CHANGE}, // OP_LOWER
{'J', NUL, OPF_LINES | OPF_CHANGE}, // DO_JOIN
{'g', 'J', OPF_LINES | OPF_CHANGE}, // DO_JOIN_NS
{'g', '?', OPF_CHANGE}, // OP_ROT13
{'r', NUL, OPF_CHANGE}, // OP_REPLACE
{'I', NUL, OPF_CHANGE}, // OP_INSERT
{'A', NUL, OPF_CHANGE}, // OP_APPEND
{'z', 'f', OPF_LINES}, // OP_FOLD
{'z', 'o', OPF_LINES}, // OP_FOLDOPEN
{'z', 'O', OPF_LINES}, // OP_FOLDOPENREC
{'z', 'c', OPF_LINES}, // OP_FOLDCLOSE
{'z', 'C', OPF_LINES}, // OP_FOLDCLOSEREC
{'z', 'd', OPF_LINES}, // OP_FOLDDEL
{'z', 'D', OPF_LINES}, // OP_FOLDDELREC
{'g', 'w', OPF_LINES | OPF_CHANGE}, // OP_FORMAT2
{'g', '@', OPF_CHANGE}, // OP_FUNCTION
{Ctrl_A, NUL, OPF_CHANGE}, // OP_NR_ADD
{Ctrl_X, NUL, OPF_CHANGE}, // OP_NR_SUB
};
/*
* Translate a command name into an operator type.
* Must only be called with a valid operator name!
*/
int
get_op_type(int char1, int char2)
{
int i;
if (char1 == 'r') // ignore second character
return OP_REPLACE;
if (char1 == '~') // when tilde is an operator
return OP_TILDE;
if (char1 == 'g' && char2 == Ctrl_A) // add
return OP_NR_ADD;
if (char1 == 'g' && char2 == Ctrl_X) // subtract
return OP_NR_SUB;
if (char1 == 'z' && char2 == 'y') // OP_YANK
return OP_YANK;
for (i = 0; ; ++i)
{
if (opchars[i][0] == char1 && opchars[i][1] == char2)
break;
if (i == (int)ARRAY_LENGTH(opchars) - 1)
{
internal_error("get_op_type()");
break;
}
}
return i;
}
/*
* Return TRUE if operator "op" always works on whole lines.
*/
static int
op_on_lines(int op)
{
return opchars[op][2] & OPF_LINES;
}
#if defined(FEAT_JOB_CHANNEL) || defined(PROTO)
/*
* Return TRUE if operator "op" changes text.
*/
int
op_is_change(int op)
{
return opchars[op][2] & OPF_CHANGE;
}
#endif
/*
* Get first operator command character.
* Returns 'g' or 'z' if there is another command character.
*/
int
get_op_char(int optype)
{
return opchars[optype][0];
}
/*
* Get second operator command character.
*/
int
get_extra_op_char(int optype)
{
return opchars[optype][1];
}
/*
* op_shift - handle a shift operation
*/
void
op_shift(oparg_T *oap, int curs_top, int amount)
{
long i;
int first_char;
int block_col = 0;
if (u_save((linenr_T)(oap->start.lnum - 1),
(linenr_T)(oap->end.lnum + 1)) == FAIL)
return;
if (oap->block_mode)
block_col = curwin->w_cursor.col;
for (i = oap->line_count; --i >= 0; )
{
first_char = *ml_get_curline();
if (first_char == NUL) // empty line
curwin->w_cursor.col = 0;
else if (oap->block_mode)
shift_block(oap, amount);
else
// Move the line right if it doesn't start with '#', 'smartindent'
// isn't set or 'cindent' isn't set or '#' isn't in 'cino'.
if (first_char != '#' || !preprocs_left())
shift_line(oap->op_type == OP_LSHIFT, p_sr, amount, FALSE);
++curwin->w_cursor.lnum;
}
changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L);
if (oap->block_mode)
{
curwin->w_cursor.lnum = oap->start.lnum;
curwin->w_cursor.col = block_col;
}
else if (curs_top) // put cursor on first line, for ">>"
{
curwin->w_cursor.lnum = oap->start.lnum;
beginline(BL_SOL | BL_FIX); // shift_line() may have set cursor.col
}
else
--curwin->w_cursor.lnum; // put cursor on last line, for ":>"
#ifdef FEAT_FOLDING
// The cursor line is not in a closed fold
foldOpenCursor();
#endif
if (oap->line_count > p_report)
{
char *op;
char *msg_line_single;
char *msg_line_plural;
if (oap->op_type == OP_RSHIFT)
op = ">";
else
op = "<";
msg_line_single = NGETTEXT("%ld line %sed %d time",
"%ld line %sed %d times", amount);
msg_line_plural = NGETTEXT("%ld lines %sed %d time",
"%ld lines %sed %d times", amount);
vim_snprintf((char *)IObuff, IOSIZE,
NGETTEXT(msg_line_single, msg_line_plural, oap->line_count),
oap->line_count, op, amount);
msg_attr_keep((char *)IObuff, 0, TRUE);
}
if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0)
{
// Set "'[" and "']" marks.
curbuf->b_op_start = oap->start;
curbuf->b_op_end.lnum = oap->end.lnum;
curbuf->b_op_end.col = ml_get_len(oap->end.lnum);
if (curbuf->b_op_end.col > 0)
--curbuf->b_op_end.col;
}
}
/*
* Shift the current line one shiftwidth left (if left != 0) or right
* leaves cursor on first blank in the line.
*/
void
shift_line(
int left,
int round,
int amount,
int call_changed_bytes) // call changed_bytes()
{
vimlong_T count;
int i, j;
int sw_val = trim_to_int(get_sw_value_indent(curbuf, left));
if (sw_val == 0)
sw_val = 1; // shouldn't happen, just in case
count = get_indent(); // get current indent
if (round) // round off indent
{
i = count / sw_val; // number of 'shiftwidth' rounded down
j = count % sw_val; // extra spaces
if (j && left) // first remove extra spaces
--amount;
if (left)
{
i -= amount;
if (i < 0)
i = 0;
}
else
i += amount;
count = (vimlong_T)i * (vimlong_T)sw_val;
}
else // original vi indent
{
if (left)
{
count -= (vimlong_T)sw_val * (vimlong_T)amount;
if (count < 0)
count = 0;
}
else
count += (vimlong_T)sw_val * (vimlong_T)amount;
}
// Set new indent
if (State & VREPLACE_FLAG)
change_indent(INDENT_SET, trim_to_int(count), FALSE, NUL, call_changed_bytes);
else
(void)set_indent(trim_to_int(count), call_changed_bytes ? SIN_CHANGED : 0);
}
/*
* Shift one line of the current block one shiftwidth right or left.
* Leaves cursor on first character in block.
*/
static void
shift_block(oparg_T *oap, int amount)
{
int left = (oap->op_type == OP_LSHIFT);
int oldstate = State;
int total;
char_u *newp, *oldp;
size_t newlen, oldlen;
int oldcol = curwin->w_cursor.col;
int sw_val = (int)get_sw_value_indent(curbuf, left);
int ts_val = (int)curbuf->b_p_ts;
struct block_def bd;
int incr;
colnr_T ws_vcol;
int added;
size_t new_line_len; // the length of the line after the
// block shift
#ifdef FEAT_RIGHTLEFT
int old_p_ri = p_ri;
p_ri = 0; // don't want revins in indent
#endif
State = MODE_INSERT; // don't want MODE_REPLACE for State
block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE);
if (bd.is_short)
return;
// total is number of screen columns to be inserted/removed
total = (int)((unsigned)amount * (unsigned)sw_val);
if ((total / sw_val) != amount)
return; // multiplication overflow
oldp = ml_get_curline();
oldlen = ml_get_curline_len();
if (!left)
{
int tabs = 0, spaces = 0;
chartabsize_T cts;
/*
* 1. Get start vcol
* 2. Total ws vcols
* 3. Divvy into TABs & spp
* 4. Construct new string
*/
total += bd.pre_whitesp; // all virtual WS up to & incl a split TAB
ws_vcol = bd.start_vcol - bd.pre_whitesp;
if (bd.startspaces)
{
if (has_mbyte)
{
if ((*mb_ptr2len)(bd.textstart) == 1)
++bd.textstart;
else
{
ws_vcol = 0;
bd.startspaces = 0;
}
}
else
++bd.textstart;
}
// TODO: is passing bd.textstart for start of the line OK?
init_chartabsize_arg(&cts, curwin, curwin->w_cursor.lnum,
bd.start_vcol, bd.textstart, bd.textstart);
for ( ; VIM_ISWHITE(*cts.cts_ptr); )
{
incr = lbr_chartabsize_adv(&cts);
total += incr;
cts.cts_vcol += incr;
}
bd.textstart = cts.cts_ptr;
bd.start_vcol = cts.cts_vcol;
clear_chartabsize_arg(&cts);
// OK, now total=all the VWS reqd, and textstart points at the 1st
// non-ws char in the block.
#ifdef FEAT_VARTABS
if (!curbuf->b_p_et)
tabstop_fromto(ws_vcol, ws_vcol + total,
ts_val, curbuf->b_p_vts_array, &tabs, &spaces);
else
spaces = total;
#else
if (!curbuf->b_p_et)
tabs = ((ws_vcol % ts_val) + total) / ts_val; // number of tabs
if (tabs > 0)
spaces = ((ws_vcol % ts_val) + total) % ts_val; // number of spp
else
spaces = total;
#endif
// if we're splitting a TAB, allow for it
bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0);
new_line_len = bd.textcol + tabs + spaces + (oldlen - (bd.textstart - oldp));
newp = alloc(new_line_len + 1);
if (newp == NULL)
return;
mch_memmove(newp, oldp, (size_t)bd.textcol);
newlen = bd.textcol;
vim_memset(newp + newlen, TAB, (size_t)tabs);
newlen += tabs;
vim_memset(newp + newlen, ' ', (size_t)spaces);
STRCPY(newp + newlen + spaces, bd.textstart);
}
else // left
{
colnr_T destination_col; // column to which text in block will
// be shifted
char_u *verbatim_copy_end; // end of the part of the line which is
// copied verbatim
colnr_T verbatim_copy_width;// the (displayed) width of this part
// of line
size_t fill; // nr of spaces that replace a TAB
size_t block_space_width;
size_t shift_amount;
char_u *non_white = bd.textstart;
colnr_T non_white_col;
size_t fixedlen; // length of string left of the shift
// position (ie the string not being shifted)
chartabsize_T cts;
/*
* Firstly, let's find the first non-whitespace character that is
* displayed after the block's start column and the character's column
* number. Also, let's calculate the width of all the whitespace
* characters that are displayed in the block and precede the searched
* non-whitespace character.
*/
// If "bd.startspaces" is set, "bd.textstart" points to the character,
// the part of which is displayed at the block's beginning. Let's start
// searching from the next character.
if (bd.startspaces)
MB_PTR_ADV(non_white);
// The character's column is in "bd.start_vcol".
non_white_col = bd.start_vcol;
init_chartabsize_arg(&cts, curwin, curwin->w_cursor.lnum,
non_white_col, bd.textstart, non_white);
while (VIM_ISWHITE(*cts.cts_ptr))
{
incr = lbr_chartabsize_adv(&cts);
cts.cts_vcol += incr;
}
non_white_col = cts.cts_vcol;
non_white = cts.cts_ptr;
clear_chartabsize_arg(&cts);
block_space_width = non_white_col - oap->start_vcol;
// We will shift by "total" or "block_space_width", whichever is less.
shift_amount = (block_space_width < (size_t)total
? block_space_width : (size_t)total);
// The column to which we will shift the text.
destination_col = (colnr_T)(non_white_col - shift_amount);
// Now let's find out how much of the beginning of the line we can
// reuse without modification.
verbatim_copy_end = bd.textstart;
verbatim_copy_width = bd.start_vcol;
// If "bd.startspaces" is set, "bd.textstart" points to the character
// preceding the block. We have to subtract its width to obtain its
// column number.
if (bd.startspaces)
verbatim_copy_width -= bd.start_char_vcols;
init_chartabsize_arg(&cts, curwin, 0, verbatim_copy_width,
bd.textstart, verbatim_copy_end);
while (cts.cts_vcol < destination_col)
{
incr = lbr_chartabsize(&cts);
if (cts.cts_vcol + incr > destination_col)
break;
cts.cts_vcol += incr;
MB_PTR_ADV(cts.cts_ptr);
}
verbatim_copy_width = cts.cts_vcol;
verbatim_copy_end = cts.cts_ptr;
clear_chartabsize_arg(&cts);
// If "destination_col" is different from the width of the initial
// part of the line that will be copied, it means we encountered a tab
// character, which we will have to partly replace with spaces.
fill = destination_col - verbatim_copy_width;
// The replacement line will consist of:
// - the beginning of the original line up to "verbatim_copy_end",
// - "fill" number of spaces,
// - the rest of the line, pointed to by non_white.
fixedlen = verbatim_copy_end - oldp;
new_line_len = fixedlen + fill + (oldlen - (non_white - oldp));
newp = alloc(new_line_len + 1);
if (newp == NULL)
return;
mch_memmove(newp, oldp, fixedlen);
newlen = fixedlen;
vim_memset(newp + newlen, ' ', (size_t)fill);
STRCPY(newp + newlen + fill, non_white);
}
// replace the line
ml_replace(curwin->w_cursor.lnum, newp, FALSE);
// compute the number of bytes added or subtracted.
// note new_line_len and oldlen are unsigned so we have
// to be careful about how we calculate this.
if (new_line_len >= oldlen)
added = (int)(new_line_len - oldlen);
else
added = 0 - (int)(oldlen - new_line_len);
inserted_bytes(curwin->w_cursor.lnum, bd.textcol, added);
State = oldstate;
curwin->w_cursor.col = oldcol;
#ifdef FEAT_RIGHTLEFT
p_ri = old_p_ri;
#endif
}
/*
* Insert string "s" (b_insert ? before : after) block :AKelly
* Caller must prepare for undo.
*/
static void
block_insert(
oparg_T *oap,
char_u *s,
size_t slen,
int b_insert,
struct block_def *bdp)
{
int ts_val;
int count = 0; // extra spaces to replace a cut TAB
int spaces = 0; // non-zero if cutting a TAB
colnr_T offset; // pointer along new line
colnr_T startcol; // column where insert starts
char_u *newp, *oldp; // new, old lines
linenr_T lnum; // loop var
int oldstate = State;
State = MODE_INSERT; // don't want MODE_REPLACE for State
for (lnum = oap->start.lnum + 1; lnum <= oap->end.lnum; lnum++)
{
block_prep(oap, bdp, lnum, TRUE);
if (bdp->is_short && b_insert)
continue; // OP_INSERT, line ends before block start
oldp = ml_get(lnum);
if (b_insert)
{
ts_val = bdp->start_char_vcols;
spaces = bdp->startspaces;
if (spaces != 0)
count = ts_val - 1; // we're cutting a TAB
offset = bdp->textcol;
}
else // append
{
ts_val = bdp->end_char_vcols;
if (!bdp->is_short) // spaces = padding after block
{
spaces = (bdp->endspaces ? ts_val - bdp->endspaces : 0);
if (spaces != 0)
count = ts_val - 1; // we're cutting a TAB
offset = bdp->textcol + bdp->textlen - (spaces != 0);
}
else // spaces = padding to block edge
{
// if $ used, just append to EOL (ie spaces==0)
if (!bdp->is_MAX)
spaces = (oap->end_vcol - bdp->end_vcol) + 1;
count = spaces;
offset = bdp->textcol + bdp->textlen;
}
}
if (has_mbyte && spaces > 0)
// avoid copying part of a multi-byte character
offset -= (*mb_head_off)(oldp, oldp + offset);
if (spaces < 0) // can happen when the cursor was moved
spaces = 0;
// Make sure the allocated size matches what is actually copied below.
newp = alloc(ml_get_len(lnum) + spaces + slen
+ (spaces > 0 && !bdp->is_short ? ts_val - spaces : 0)
+ count + 1);
if (newp == NULL)
continue;
// copy up to shifted part
mch_memmove(newp, oldp, (size_t)offset);
oldp += offset;
// insert pre-padding
vim_memset(newp + offset, ' ', (size_t)spaces);
startcol = offset + spaces;
// copy the new text
mch_memmove(newp + startcol, s, slen);
offset += (int)slen;
if (spaces > 0 && !bdp->is_short)
{
if (*oldp == TAB)
{
// insert post-padding
vim_memset(newp + offset + spaces, ' ',
(size_t)(ts_val - spaces));
// we're splitting a TAB, don't copy it
oldp++;
// We allowed for that TAB, remember this now
count++;
}
else
// Not a TAB, no extra spaces
count = spaces;
}
if (spaces > 0)
offset += count;
STRCPY(newp + offset, oldp);
ml_replace(lnum, newp, FALSE);
if (b_insert)
// correct any text properties
inserted_bytes(lnum, startcol, (int)slen);
if (lnum == oap->end.lnum)
{
// Set "']" mark to the end of the block instead of the end of
// the insert in the first line.
curbuf->b_op_end.lnum = oap->end.lnum;
curbuf->b_op_end.col = offset;
}
} // for all lnum
changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L);
State = oldstate;
}
/*
* Handle a delete operation.
*
* Return FAIL if undo failed, OK otherwise.
*/
int
op_delete(oparg_T *oap)
{
int n;
linenr_T lnum;
char_u *ptr;
char_u *newp, *oldp;
struct block_def bd;
linenr_T old_lcount = curbuf->b_ml.ml_line_count;
int did_yank = FALSE;
if (curbuf->b_ml.ml_flags & ML_EMPTY) // nothing to do
return OK;
// Nothing to delete, return here. Do prepare undo, for op_change().
if (oap->empty)
return u_save_cursor();
if (!curbuf->b_p_ma)
{
emsg(_(e_cannot_make_changes_modifiable_is_off));
return FAIL;
}
if (VIsual_select && oap->is_VIsual)
// use register given with CTRL_R, defaults to zero
oap->regname = VIsual_select_reg;
#ifdef FEAT_CLIPBOARD
adjust_clip_reg(&oap->regname);
#endif
if (has_mbyte)
mb_adjust_opend(oap);
/*
* Imitate the strange Vi behaviour: If the delete spans more than one
* line and motion_type == MCHAR and the result is a blank line, make the
* delete linewise. Don't do this for the change command or Visual mode.
*/
if ( oap->motion_type == MCHAR
&& !oap->is_VIsual
&& !oap->block_mode
&& oap->line_count > 1
&& oap->motion_force == NUL
&& oap->op_type == OP_DELETE)
{
ptr = ml_get(oap->end.lnum) + oap->end.col;
if (*ptr != NUL)
ptr += oap->inclusive;
ptr = skipwhite(ptr);
if (*ptr == NUL && inindent(0))
oap->motion_type = MLINE;
}
/*
* Check for trying to delete (e.g. "D") in an empty line.
* Note: For the change operator it is ok.
*/
if ( oap->motion_type == MCHAR
&& oap->line_count == 1
&& oap->op_type == OP_DELETE
&& *ml_get(oap->start.lnum) == NUL)
{
/*
* It's an error to operate on an empty region, when 'E' included in
* 'cpoptions' (Vi compatible).
*/
if (virtual_op)
// Virtual editing: Nothing gets deleted, but we set the '[ and ']
// marks as if it happened.
goto setmarks;
if (vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL)
beep_flush();
return OK;
}
/*
* Do a yank of whatever we're about to delete.
* If a yank register was specified, put the deleted text into that
* register. For the black hole register '_' don't yank anything.
*/
if (oap->regname != '_')
{
if (oap->regname != 0)
{
// check for read-only register
if (!valid_yank_reg(oap->regname, TRUE))
{
beep_flush();
return OK;
}
get_yank_register(oap->regname, TRUE); // yank into specif'd reg.
if (op_yank(oap, TRUE, FALSE) == OK) // yank without message
did_yank = TRUE;
}
else
reset_y_append(); // not appending to unnamed register
/*
* Put deleted text into register 1 and shift number registers if the
* delete contains a line break, or when using a specific operator (Vi
* compatible)
*/
if (oap->motion_type == MLINE || oap->line_count > 1
|| oap->use_reg_one)
{
shift_delete_registers();
if (op_yank(oap, TRUE, FALSE) == OK)
did_yank = TRUE;
}
// Yank into small delete register when no named register specified
// and the delete is within one line.
if ((
#ifdef FEAT_CLIPBOARD
((clip_unnamed & CLIP_UNNAMED) && oap->regname == '*') ||
((clip_unnamed & CLIP_UNNAMED_PLUS) && oap->regname == '+') ||
#endif
oap->regname == 0) && oap->motion_type != MLINE
&& oap->line_count == 1)
{
oap->regname = '-';
get_yank_register(oap->regname, TRUE);
if (op_yank(oap, TRUE, FALSE) == OK)
did_yank = TRUE;
oap->regname = 0;
}
/*
* If there's too much stuff to fit in the yank register, then get a
* confirmation before doing the delete. This is crude, but simple.
* And it avoids doing a delete of something we can't put back if we
* want.
*/
if (!did_yank)
{
int msg_silent_save = msg_silent;
msg_silent = 0; // must display the prompt
n = ask_yesno((char_u *)_("cannot yank; delete anyway"), TRUE);
msg_silent = msg_silent_save;
if (n != 'y')
{
emsg(_(e_command_aborted));
return FAIL;
}
}
#if defined(FEAT_EVAL)
if (did_yank && has_textyankpost())
yank_do_autocmd(oap, get_y_current());
#endif
}
/*
* block mode delete
*/
if (oap->block_mode)
{
if (u_save((linenr_T)(oap->start.lnum - 1),
(linenr_T)(oap->end.lnum + 1)) == FAIL)
return FAIL;
for (lnum = curwin->w_cursor.lnum; lnum <= oap->end.lnum; ++lnum)
{
block_prep(oap, &bd, lnum, TRUE);
if (bd.textlen == 0) // nothing to delete
continue;
// Adjust cursor position for tab replaced by spaces and 'lbr'.
if (lnum == curwin->w_cursor.lnum)
{
curwin->w_cursor.col = bd.textcol + bd.startspaces;
curwin->w_cursor.coladd = 0;
}
// "n" == number of chars deleted
// If we delete a TAB, it may be replaced by several characters.
// Thus the number of characters may increase!
n = bd.textlen - bd.startspaces - bd.endspaces;
oldp = ml_get(lnum);
newp = alloc(ml_get_len(lnum) + 1 - n);
if (newp == NULL)
continue;
// copy up to deleted part
mch_memmove(newp, oldp, (size_t)bd.textcol);
// insert spaces
vim_memset(newp + bd.textcol, ' ',
(size_t)(bd.startspaces + bd.endspaces));
// copy the part after the deleted part
STRCPY(newp + bd.textcol + bd.startspaces + bd.endspaces,
oldp + bd.textcol + bd.textlen);
// replace the line
ml_replace(lnum, newp, FALSE);
#ifdef FEAT_PROP_POPUP
if (curbuf->b_has_textprop && n != 0)
adjust_prop_columns(lnum, bd.textcol, -n, 0);
#endif
}
check_cursor_col();
changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col,
oap->end.lnum + 1, 0L);
oap->line_count = 0; // no lines deleted
}
else if (oap->motion_type == MLINE)
{
if (oap->op_type == OP_CHANGE)
{
// Delete the lines except the first one. Temporarily move the
// cursor to the next line. Save the current line number, if the
// last line is deleted it may be changed.
if (oap->line_count > 1)
{
lnum = curwin->w_cursor.lnum;
++curwin->w_cursor.lnum;
del_lines((long)(oap->line_count - 1), TRUE);
curwin->w_cursor.lnum = lnum;
}
if (u_save_cursor() == FAIL)
return FAIL;
if (curbuf->b_p_ai) // don't delete indent
{
beginline(BL_WHITE); // cursor on first non-white
did_ai = TRUE; // delete the indent when ESC hit
ai_col = curwin->w_cursor.col;
}
else
beginline(0); // cursor in column 0
truncate_line(FALSE); // delete the rest of the line,
// leaving cursor past last char in line
if (oap->line_count > 1)
u_clearline(); // "U" command not possible after "2cc"
}
else
{
del_lines(oap->line_count, TRUE);
beginline(BL_WHITE | BL_FIX);
u_clearline(); // "U" command not possible after "dd"
}
}
else
{
if (virtual_op)
{
int endcol = 0;
// For virtualedit: break the tabs that are partly included.
if (gchar_pos(&oap->start) == '\t')
{
if (u_save_cursor() == FAIL) // save first line for undo
return FAIL;
if (oap->line_count == 1)
endcol = getviscol2(oap->end.col, oap->end.coladd);
coladvance_force(getviscol2(oap->start.col, oap->start.coladd));
oap->start = curwin->w_cursor;
if (oap->line_count == 1)
{
coladvance(endcol);
oap->end.col = curwin->w_cursor.col;
oap->end.coladd = curwin->w_cursor.coladd;
curwin->w_cursor = oap->start;
}
}
// Break a tab only when it's included in the area.
if (gchar_pos(&oap->end) == '\t'
&& (int)oap->end.coladd < oap->inclusive)
{
// save last line for undo
if (u_save((linenr_T)(oap->end.lnum - 1),
(linenr_T)(oap->end.lnum + 1)) == FAIL)
return FAIL;
curwin->w_cursor = oap->end;
coladvance_force(getviscol2(oap->end.col, oap->end.coladd));
oap->end = curwin->w_cursor;
curwin->w_cursor = oap->start;
}
if (has_mbyte)
mb_adjust_opend(oap);
}
if (oap->line_count == 1) // delete characters within one line
{
if (u_save_cursor() == FAIL) // save line for undo
return FAIL;
// if 'cpoptions' contains '$', display '$' at end of change
if ( vim_strchr(p_cpo, CPO_DOLLAR) != NULL
&& oap->op_type == OP_CHANGE
&& oap->end.lnum == curwin->w_cursor.lnum
&& !oap->is_VIsual)
display_dollar(oap->end.col - !oap->inclusive);
n = oap->end.col - oap->start.col + 1 - !oap->inclusive;
if (virtual_op)
{
// fix up things for virtualedit-delete:
// break the tabs which are going to get in our way
int len = ml_get_curline_len();
if (oap->end.coladd != 0
&& (int)oap->end.col >= len - 1
&& !(oap->start.coladd && (int)oap->end.col >= len - 1))
n++;
// Delete at least one char (e.g, when on a control char).
if (n == 0 && oap->start.coladd != oap->end.coladd)
n = 1;
// When deleted a char in the line, reset coladd.
if (gchar_cursor() != NUL)
curwin->w_cursor.coladd = 0;
}
(void)del_bytes((long)n, !virtual_op,
oap->op_type == OP_DELETE && !oap->is_VIsual);
}
else // delete characters between lines
{
pos_T curpos;
// save deleted and changed lines for undo
if (u_save((linenr_T)(curwin->w_cursor.lnum - 1),
(linenr_T)(curwin->w_cursor.lnum + oap->line_count)) == FAIL)
return FAIL;
truncate_line(TRUE); // delete from cursor to end of line
curpos = curwin->w_cursor; // remember curwin->w_cursor
++curwin->w_cursor.lnum;
del_lines((long)(oap->line_count - 2), FALSE);
// delete from start of line until op_end
n = (oap->end.col + 1 - !oap->inclusive);
curwin->w_cursor.col = 0;
(void)del_bytes((long)n, !virtual_op,
oap->op_type == OP_DELETE && !oap->is_VIsual);
curwin->w_cursor = curpos; // restore curwin->w_cursor
(void)do_join(2, FALSE, FALSE, FALSE, FALSE);
}
if (oap->op_type == OP_DELETE)
auto_format(FALSE, TRUE);
}
msgmore(curbuf->b_ml.ml_line_count - old_lcount);
setmarks:
if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0)
{
if (oap->block_mode)
{
curbuf->b_op_end.lnum = oap->end.lnum;
curbuf->b_op_end.col = oap->start.col;
}
else
curbuf->b_op_end = oap->start;
curbuf->b_op_start = oap->start;
}
return OK;
}
/*
* Adjust end of operating area for ending on a multi-byte character.
* Used for deletion.
*/
static void
mb_adjust_opend(oparg_T *oap)
{
char_u *line;
char_u *ptr;
if (!oap->inclusive)
return;
line = ml_get(oap->end.lnum);
ptr = line + oap->end.col;
if (*ptr != NUL)
{
ptr -= (*mb_head_off)(line, ptr);
ptr += (*mb_ptr2len)(ptr) - 1;
oap->end.col = ptr - line;
}
}
/*
* Replace the character under the cursor with "c".
* This takes care of multi-byte characters.
*/
static void
replace_character(int c)
{
int n = State;
State = MODE_REPLACE;
ins_char(c);
State = n;
// Backup to the replaced character.
dec_cursor();
}
/*
* Replace a whole area with one character.
*/
int
op_replace(oparg_T *oap, int c)
{
int n, numc;
int num_chars;
char_u *newp, *oldp;
size_t newlen, oldlen;
struct block_def bd;
char_u *after_p = NULL;
int had_ctrl_v_cr = FALSE;
if ((curbuf->b_ml.ml_flags & ML_EMPTY ) || oap->empty)
return OK; // nothing to do
if (c == REPLACE_CR_NCHAR)
{
had_ctrl_v_cr = TRUE;
c = CAR;
}
else if (c == REPLACE_NL_NCHAR)
{
had_ctrl_v_cr = TRUE;
c = NL;
}
if (has_mbyte)
mb_adjust_opend(oap);
if (u_save((linenr_T)(oap->start.lnum - 1),
(linenr_T)(oap->end.lnum + 1)) == FAIL)
return FAIL;
/*
* block mode replace
*/
if (oap->block_mode)
{
bd.is_MAX = (curwin->w_curswant == MAXCOL);
for ( ; curwin->w_cursor.lnum <= oap->end.lnum; ++curwin->w_cursor.lnum)
{
curwin->w_cursor.col = 0; // make sure cursor position is valid
block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE);
if (bd.textlen == 0 && (!virtual_op || bd.is_MAX))
continue; // nothing to replace
// n == number of extra chars required
// If we split a TAB, it may be replaced by several characters.
// Thus the number of characters may increase!
// If the range starts in virtual space, count the initial
// coladd offset as part of "startspaces"
if (virtual_op && bd.is_short && *bd.textstart == NUL)
{
pos_T vpos;
vpos.lnum = curwin->w_cursor.lnum;
getvpos(&vpos, oap->start_vcol);
bd.startspaces += vpos.coladd;
n = bd.startspaces;
}
else
// allow for pre spaces
n = (bd.startspaces ? bd.start_char_vcols - 1 : 0);
// allow for post spp
n += (bd.endspaces
&& !bd.is_oneChar
&& bd.end_char_vcols > 0) ? bd.end_char_vcols - 1 : 0;
// Figure out how many characters to replace.
numc = oap->end_vcol - oap->start_vcol + 1;
if (bd.is_short && (!virtual_op || bd.is_MAX))
numc -= (oap->end_vcol - bd.end_vcol) + 1;
// A double-wide character can be replaced only up to half the
// times.
if ((*mb_char2cells)(c) > 1)
{
if ((numc & 1) && !bd.is_short)
{
++bd.endspaces;
++n;
}
numc = numc / 2;
}
// Compute bytes needed, move character count to num_chars.
num_chars = numc;
numc *= (*mb_char2len)(c);
// oldlen includes textlen, so don't double count
n += numc - bd.textlen;
oldp = ml_get_curline();
oldlen = ml_get_curline_len();
newp = alloc(oldlen + 1 + n);
if (newp == NULL)
continue;
vim_memset(newp, NUL, (size_t)(oldlen + 1 + n));
// copy up to deleted part
mch_memmove(newp, oldp, (size_t)bd.textcol);
newlen = bd.textcol;
// insert pre-spaces
vim_memset(newp + newlen, ' ', (size_t)bd.startspaces);
newlen += bd.startspaces;
// insert replacement chars CHECK FOR ALLOCATED SPACE
// REPLACE_CR_NCHAR/REPLACE_NL_NCHAR is used for entering CR
// literally.
if (had_ctrl_v_cr || (c != '\r' && c != '\n'))
{
if (has_mbyte)
{
while (--num_chars >= 0)
newlen += (*mb_char2bytes)(c, newp + newlen);
}
else
{
vim_memset(newp + newlen, c, (size_t)numc);
newlen += numc;
}
if (!bd.is_short)
{
// insert post-spaces
vim_memset(newp + newlen, ' ', (size_t)bd.endspaces);
// copy the part after the changed part
STRCPY(newp + newlen + bd.endspaces,
oldp + bd.textcol + bd.textlen);
}
}
else
{
// Replacing with \r or \n means splitting the line.
after_p = alloc(oldlen + 1 + n - newlen);
if (after_p != NULL)
STRCPY(after_p, oldp + bd.textcol + bd.textlen);
}
// replace the line
ml_replace(curwin->w_cursor.lnum, newp, FALSE);
if (after_p != NULL)
{
ml_append(curwin->w_cursor.lnum++, after_p, 0, FALSE);
appended_lines_mark(curwin->w_cursor.lnum, 1L);
oap->end.lnum++;
vim_free(after_p);
}
}
}
else
{
/*
* MCHAR and MLINE motion replace.
*/
if (oap->motion_type == MLINE)
{
oap->start.col = 0;
curwin->w_cursor.col = 0;
oap->end.col = ml_get_len(oap->end.lnum);
if (oap->end.col)
--oap->end.col;
}
else if (!oap->inclusive)
dec(&(oap->end));
while (LTOREQ_POS(curwin->w_cursor, oap->end))
{
int done = FALSE;
n = gchar_cursor();
if (n != NUL)
{
int new_byte_len = (*mb_char2len)(c);
int old_byte_len = mb_ptr2len(ml_get_cursor());
if (new_byte_len > 1 || old_byte_len > 1)
{
// This is slow, but it handles replacing a single-byte
// with a multi-byte and the other way around.
if (curwin->w_cursor.lnum == oap->end.lnum)
oap->end.col += new_byte_len - old_byte_len;
replace_character(c);
done = TRUE;
}
else
{
if (n == TAB)
{
int end_vcol = 0;
if (curwin->w_cursor.lnum == oap->end.lnum)
{
// oap->end has to be recalculated when
// the tab breaks
end_vcol = getviscol2(oap->end.col,
oap->end.coladd);
}
coladvance_force(getviscol());
if (curwin->w_cursor.lnum == oap->end.lnum)
getvpos(&oap->end, end_vcol);
}
// with "coladd" set may move to just after a TAB
if (gchar_cursor() != NUL)
{
PBYTE(curwin->w_cursor, c);
done = TRUE;
}
}
}
if (!done && virtual_op && curwin->w_cursor.lnum == oap->end.lnum)
{
int virtcols = oap->end.coladd;
if (curwin->w_cursor.lnum == oap->start.lnum
&& oap->start.col == oap->end.col && oap->start.coladd)
virtcols -= oap->start.coladd;
// oap->end has been trimmed so it's effectively inclusive;
// as a result an extra +1 must be counted so we don't
// trample the NUL byte.
coladvance_force(getviscol2(oap->end.col, oap->end.coladd) + 1);
curwin->w_cursor.col -= (virtcols + 1);
for (; virtcols >= 0; virtcols--)
{
if ((*mb_char2len)(c) > 1)
replace_character(c);
else
PBYTE(curwin->w_cursor, c);
if (inc(&curwin->w_cursor) == -1)
break;
}
}
// Advance to next character, stop at the end of the file.
if (inc_cursor() == -1)
break;
}
}
curwin->w_cursor = oap->start;
check_cursor();
changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 0L);
if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0)
{
// Set "'[" and "']" marks.
curbuf->b_op_start = oap->start;
curbuf->b_op_end = oap->end;
}
return OK;
}
static int swapchars(int op_type, pos_T *pos, int length);
/*
* Handle the (non-standard vi) tilde operator. Also for "gu", "gU" and "g?".
*/
static void
op_tilde(oparg_T *oap)
{
pos_T pos;
struct block_def bd;
int did_change = FALSE;
if (u_save((linenr_T)(oap->start.lnum - 1),
(linenr_T)(oap->end.lnum + 1)) == FAIL)
return;
pos = oap->start;
if (oap->block_mode) // Visual block mode
{
for (; pos.lnum <= oap->end.lnum; ++pos.lnum)
{
int one_change;
block_prep(oap, &bd, pos.lnum, FALSE);
pos.col = bd.textcol;
one_change = swapchars(oap->op_type, &pos, bd.textlen);
did_change |= one_change;
#ifdef FEAT_NETBEANS_INTG
if (netbeans_active() && one_change)
{
char_u *ptr;
netbeans_removed(curbuf, pos.lnum, bd.textcol,
(long)bd.textlen);
// get the line now, it may have been flushed
ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
netbeans_inserted(curbuf, pos.lnum, bd.textcol,
&ptr[bd.textcol], bd.textlen);
}
#endif
}
if (did_change)
changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L);
}
else // not block mode
{
if (oap->motion_type == MLINE)
{
oap->start.col = 0;
pos.col = 0;
oap->end.col = ml_get_len(oap->end.lnum);
if (oap->end.col)
--oap->end.col;
}
else if (!oap->inclusive)
dec(&(oap->end));
if (pos.lnum == oap->end.lnum)
did_change = swapchars(oap->op_type, &pos,
oap->end.col - pos.col + 1);
else
for (;;)
{
did_change |= swapchars(oap->op_type, &pos,
pos.lnum == oap->end.lnum ? oap->end.col + 1
: ml_get_pos_len(&pos));
if (LTOREQ_POS(oap->end, pos) || inc(&pos) == -1)
break;
}
if (did_change)
{
changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1,
0L);
#ifdef FEAT_NETBEANS_INTG
if (netbeans_active())
{
char_u *ptr;
int count;
pos = oap->start;
while (pos.lnum < oap->end.lnum)
{
ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
count = ml_get_buf_len(curbuf, pos.lnum) - pos.col;
netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
// get the line again, it may have been flushed
ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
netbeans_inserted(curbuf, pos.lnum, pos.col,
&ptr[pos.col], count);
pos.col = 0;
pos.lnum++;
}
count = oap->end.col - pos.col + 1;
netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
// get the line again, it may have been flushed
ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
netbeans_inserted(curbuf, pos.lnum, pos.col,
&ptr[pos.col], count);
}
#endif
}
}
if (!did_change && oap->is_VIsual)
// No change: need to remove the Visual selection
redraw_curbuf_later(UPD_INVERTED);
if ((cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0)
{
// Set '[ and '] marks.
curbuf->b_op_start = oap->start;
curbuf->b_op_end = oap->end;
}
if (oap->line_count > p_report)
smsg(NGETTEXT("%ld line changed", "%ld lines changed",
oap->line_count), oap->line_count);
}
/*
* Invoke swapchar() on "length" bytes at position "pos".
* "pos" is advanced to just after the changed characters.
* "length" is rounded up to include the whole last multi-byte character.
* Also works correctly when the number of bytes changes.
* Returns TRUE if some character was changed.
*/
static int
swapchars(int op_type, pos_T *pos, int length)
{
int todo;
int did_change = 0;
for (todo = length; todo > 0; --todo)
{
if (has_mbyte)
{
int len = (*mb_ptr2len)(ml_get_pos(pos));
// we're counting bytes, not characters
if (len > 0)
todo -= len - 1;
}
did_change |= swapchar(op_type, pos);
if (inc(pos) == -1) // at end of file
break;
}
return did_change;
}
/*
* If op_type == OP_UPPER: make uppercase,
* if op_type == OP_LOWER: make lowercase,
* if op_type == OP_ROT13: do rot13 encoding,
* else swap case of character at 'pos'
* returns TRUE when something actually changed.
*/
int
swapchar(int op_type, pos_T *pos)
{
int c;
int nc;
c = gchar_pos(pos);
// Only do rot13 encoding for ASCII characters.
if (c >= 0x80 && op_type == OP_ROT13)
return FALSE;
// ~ is OP_NOP, g~ is OP_TILDE, gU is OP_UPPER
if ((op_type == OP_UPPER || op_type == OP_NOP || op_type == OP_TILDE)
&& c == 0xdf
&& (enc_latin1like || STRCMP(p_enc, "iso-8859-2") == 0))
{
pos_T sp = curwin->w_cursor;
// Special handling for lowercase German sharp s (ß): convert to uppercase (ẞ).
curwin->w_cursor = *pos;
del_char(FALSE);
ins_char(0x1E9E);
curwin->w_cursor = sp;
return TRUE;
}
if (enc_dbcs != 0 && c >= 0x100) // No lower/uppercase letter
return FALSE;
nc = c;
if (MB_ISLOWER(c))
{
if (op_type == OP_ROT13)
nc = ROT13(c, 'a');
else if (op_type != OP_LOWER)
nc = MB_TOUPPER(c);
}
else if (MB_ISUPPER(c))
{
if (op_type == OP_ROT13)
nc = ROT13(c, 'A');
else if (op_type != OP_UPPER)
nc = MB_TOLOWER(c);
}
if (nc != c)
{
if (enc_utf8 && (c >= 0x80 || nc >= 0x80))
{
pos_T sp = curwin->w_cursor;
curwin->w_cursor = *pos;
// don't use del_char(), it also removes composing chars
del_bytes(utf_ptr2len(ml_get_cursor()), FALSE, FALSE);
ins_char(nc);
curwin->w_cursor = sp;
}
else
PBYTE(*pos, nc);
return TRUE;
}
return FALSE;
}
/*
* op_insert - Insert and append operators for Visual mode.
*/
void
op_insert(oparg_T *oap, long count1)
{
long pre_textlen = 0;
colnr_T ind_pre_col = 0, ind_post_col;
int ind_pre_vcol = 0, ind_post_vcol = 0;
struct block_def bd;
int i;
pos_T t1;
pos_T start_insert;
// edit() changes this - record it for OP_APPEND
bd.is_MAX = (curwin->w_curswant == MAXCOL);
// vis block is still marked. Get rid of it now.
curwin->w_cursor.lnum = oap->start.lnum;
update_screen(UPD_INVERTED);
if (oap->block_mode)
{
// When 'virtualedit' is used, need to insert the extra spaces before
// doing block_prep(). When only "block" is used, virtual edit is
// already disabled, but still need it when calling
// coladvance_force().
// coladvance_force() uses get_ve_flags() to get the 'virtualedit'
// state for the current window. To override that state, we need to
// set the window-local value of ve_flags rather than the global value.
if (curwin->w_cursor.coladd > 0)
{
int old_ve_flags = curwin->w_ve_flags;
if (u_save_cursor() == FAIL)
return;
curwin->w_ve_flags = VE_ALL;
coladvance_force(oap->op_type == OP_APPEND
? oap->end_vcol + 1 : getviscol());
if (oap->op_type == OP_APPEND)
--curwin->w_cursor.col;
curwin->w_ve_flags = old_ve_flags;
}
// Get the info about the block before entering the text
block_prep(oap, &bd, oap->start.lnum, TRUE);
// Get indent information
ind_pre_col = (colnr_T)getwhitecols_curline();
ind_pre_vcol = get_indent();
pre_textlen = ml_get_len(oap->start.lnum) - bd.textcol;
if (oap->op_type == OP_APPEND)
pre_textlen -= bd.textlen;
}
if (oap->op_type == OP_APPEND)
{
if (oap->block_mode && curwin->w_cursor.coladd == 0)
{
// Move the cursor to the character right of the block.
curwin->w_set_curswant = TRUE;
while (*ml_get_cursor() != NUL
&& (curwin->w_cursor.col < bd.textcol + bd.textlen))
++curwin->w_cursor.col;
if (bd.is_short && !bd.is_MAX)
{
// First line was too short, make it longer and adjust the
// values in "bd".
if (u_save_cursor() == FAIL)
return;
for (i = 0; i < bd.endspaces; ++i)
ins_char(' ');
bd.textlen += bd.endspaces;
}
}
else
{
curwin->w_cursor = oap->end;
check_cursor_col();
// Works just like an 'i'nsert on the next character.
if (!LINEEMPTY(curwin->w_cursor.lnum)
&& oap->start_vcol != oap->end_vcol)
inc_cursor();
}
}
t1 = oap->start;
start_insert = curwin->w_cursor;
(void)edit(NUL, FALSE, (linenr_T)count1);
// When a tab was inserted, and the characters in front of the tab
// have been converted to a tab as well, the column of the cursor
// might have actually been reduced, so need to adjust here.
if (t1.lnum == curbuf->b_op_start_orig.lnum
&& LT_POS(curbuf->b_op_start_orig, t1))
oap->start = curbuf->b_op_start_orig;
// If user has moved off this line, we don't know what to do, so do
// nothing.
// Also don't repeat the insert when Insert mode ended with CTRL-C.
if (curwin->w_cursor.lnum != oap->start.lnum || got_int)
return;
if (oap->block_mode)
{
int ins_len;
char_u *firstline, *ins_text;
struct block_def bd2;
int did_indent = FALSE;
size_t len;
size_t add;
// offset when cursor was moved in insert mode
int offset = 0;
// If indent kicked in, the firstline might have changed
// but only do that, if the indent actually increased.
ind_post_col = (colnr_T)getwhitecols_curline();
if (curbuf->b_op_start.col > ind_pre_col && ind_post_col > ind_pre_col)
{
bd.textcol += ind_post_col - ind_pre_col;
ind_post_vcol = get_indent();
bd.start_vcol += ind_post_vcol - ind_pre_vcol;
did_indent = TRUE;
}
// The user may have moved the cursor before inserting something, try
// to adjust the block for that. But only do it, if the difference
// does not come from indent kicking in.
if (oap->start.lnum == curbuf->b_op_start_orig.lnum
&& !bd.is_MAX && !did_indent)
{
int t = getviscol2(curbuf->b_op_start_orig.col,
curbuf->b_op_start_orig.coladd);
if (oap->op_type == OP_INSERT
&& oap->start.col + oap->start.coladd
!= curbuf->b_op_start_orig.col
+ curbuf->b_op_start_orig.coladd)
{
oap->start.col = curbuf->b_op_start_orig.col;
pre_textlen -= t - oap->start_vcol;
oap->start_vcol = t;
}
else if (oap->op_type == OP_APPEND
&& oap->start.col + oap->start.coladd
>= curbuf->b_op_start_orig.col
+ curbuf->b_op_start_orig.coladd)
{
oap->start.col = curbuf->b_op_start_orig.col;
// reset pre_textlen to the value of OP_INSERT
pre_textlen += bd.textlen;
pre_textlen -= t - oap->start_vcol;
oap->start_vcol = t;
oap->op_type = OP_INSERT;
}
}
// Spaces and tabs in the indent may have changed to other spaces and
// tabs. Get the starting column again and correct the length.
// Don't do this when "$" used, end-of-line will have changed.
//
// if indent was added and the inserted text was after the indent,
// correct the selection for the new indent.
if (did_indent && bd.textcol - ind_post_col > 0)
{
oap->start.col += ind_post_col - ind_pre_col;
oap->start_vcol += ind_post_vcol - ind_pre_vcol;
oap->end.col += ind_post_col - ind_pre_col;
oap->end_vcol += ind_post_vcol - ind_pre_vcol;
}
block_prep(oap, &bd2, oap->start.lnum, TRUE);
if (did_indent && bd.textcol - ind_post_col > 0)
{
// undo for where "oap" is used below
oap->start.col -= ind_post_col - ind_pre_col;
oap->start_vcol -= ind_post_vcol - ind_pre_vcol;
oap->end.col -= ind_post_col - ind_pre_col;
oap->end_vcol -= ind_post_vcol - ind_pre_vcol;
}
if (!bd.is_MAX || bd2.textlen < bd.textlen)
{
if (oap->op_type == OP_APPEND)
{
pre_textlen += bd2.textlen - bd.textlen;
if (bd2.endspaces)
--bd2.textlen;
}
bd.textcol = bd2.textcol;
bd.textlen = bd2.textlen;
}
/*
* Subsequent calls to ml_get() flush the firstline data - take a
* copy of the required string.
*/
firstline = ml_get(oap->start.lnum);
len = ml_get_len(oap->start.lnum);
add = bd.textcol;
if (oap->op_type == OP_APPEND)
{
add += bd.textlen;
// account for pressing cursor in insert mode when '$' was used
if (bd.is_MAX
&& (start_insert.lnum == Insstart.lnum
&& start_insert.col > Insstart.col))
{
offset = (start_insert.col - Insstart.col);
add -= offset;
if (oap->end_vcol > offset)
oap->end_vcol -= (offset + 1);
else
// moved outside of the visual block, what to do?
return;
}
}
if (add > len)
add = len; // short line, point to the NUL
firstline += add;
len -= add;
if (pre_textlen >= 0 && (ins_len = (int)len - pre_textlen - offset) > 0)
{
ins_text = vim_strnsave(firstline, ins_len);
if (ins_text != NULL)
{
// block handled here
if (u_save(oap->start.lnum,
(linenr_T)(oap->end.lnum + 1)) == OK)
block_insert(oap, ins_text, ins_len, (oap->op_type == OP_INSERT),
&bd);
curwin->w_cursor.col = oap->start.col;
check_cursor();
vim_free(ins_text);
}
}
}
}
/*
* op_change - handle a change operation
*
* return TRUE if edit() returns because of a CTRL-O command
*/
int
op_change(oparg_T *oap)
{
colnr_T l;
int retval;
linenr_T linenr;
long pre_textlen = 0;
long pre_indent = 0;
char_u *firstline;
char_u *ins_text, *newp, *oldp;
struct block_def bd;
l = oap->start.col;
if (oap->motion_type == MLINE)
{
l = 0;
can_si = may_do_si(); // Like opening a new line, do smart indent
}
// First delete the text in the region. In an empty buffer only need to
// save for undo
if (curbuf->b_ml.ml_flags & ML_EMPTY)
{
if (u_save_cursor() == FAIL)
return FALSE;
}
else if (op_delete(oap) == FAIL)
return FALSE;
if ((l > curwin->w_cursor.col) && !LINEEMPTY(curwin->w_cursor.lnum)
&& !virtual_op)
inc_cursor();
// check for still on same line (<CR> in inserted text meaningless)
// skip blank lines too
if (oap->block_mode)
{
// Add spaces before getting the current line length.
if (virtual_op && (curwin->w_cursor.coladd > 0
|| gchar_cursor() == NUL))
coladvance_force(getviscol());
firstline = ml_get(oap->start.lnum);
pre_textlen = ml_get_len(oap->start.lnum);
pre_indent = (long)getwhitecols(firstline);
bd.textcol = curwin->w_cursor.col;
}
if (oap->motion_type == MLINE)
fix_indent();
// Reset finish_op now, don't want it set inside edit().
int save_finish_op = finish_op;
finish_op = FALSE;
retval = edit(NUL, FALSE, (linenr_T)1);
finish_op = save_finish_op;
/*
* In Visual block mode, handle copying the new text to all lines of the
* block.
* Don't repeat the insert when Insert mode ended with CTRL-C.
*/
if (oap->block_mode && oap->start.lnum != oap->end.lnum && !got_int)
{
int ins_len;
// Auto-indenting may have changed the indent. If the cursor was past
// the indent, exclude that indent change from the inserted text.
firstline = ml_get(oap->start.lnum);
if (bd.textcol > (colnr_T)pre_indent)
{
long new_indent = (long)getwhitecols(firstline);
pre_textlen += new_indent - pre_indent;
bd.textcol += new_indent - pre_indent;
}
ins_len = (int)ml_get_len(oap->start.lnum) - pre_textlen;
if (ins_len > 0)
{
// Subsequent calls to ml_get() flush the firstline data - take a
// copy of the inserted text.
if ((ins_text = alloc(ins_len + 1)) != NULL)
{
vim_strncpy(ins_text, firstline + bd.textcol, ins_len);
for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum;
linenr++)
{
block_prep(oap, &bd, linenr, TRUE);
if (!bd.is_short || virtual_op)
{
pos_T vpos;
size_t newlen;
// If the block starts in virtual space, count the
// initial coladd offset as part of "startspaces"
if (bd.is_short)
{
vpos.lnum = linenr;
(void)getvpos(&vpos, oap->start_vcol);
}
else
vpos.coladd = 0;
oldp = ml_get(linenr);
newp = alloc(ml_get_len(linenr) + vpos.coladd + ins_len + 1);
if (newp == NULL)
continue;
// copy up to block start
mch_memmove(newp, oldp, (size_t)bd.textcol);
newlen = bd.textcol;
vim_memset(newp + newlen, ' ', (size_t)vpos.coladd);
newlen += vpos.coladd;
mch_memmove(newp + newlen, ins_text, ins_len);
STRCPY(newp + newlen + ins_len, oldp + bd.textcol);
ml_replace(linenr, newp, FALSE);
#ifdef FEAT_PROP_POPUP
// Shift the properties for linenr as edit() would do.
if (curbuf->b_has_textprop)
adjust_prop_columns(linenr, bd.textcol,
vpos.coladd + (int)ins_len, 0);
#endif
}
}
check_cursor();
changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L);
}
vim_free(ins_text);
}
}
auto_format(FALSE, TRUE);
return retval;
}
/*
* When the cursor is on the NUL past the end of the line and it should not be
* there move it left.
*/
void
adjust_cursor_eol(void)
{
unsigned int cur_ve_flags = get_ve_flags();
int adj_cursor = (curwin->w_cursor.col > 0
&& gchar_cursor() == NUL
&& (cur_ve_flags & VE_ONEMORE) == 0
&& !(restart_edit || (State & MODE_INSERT)));
if (!adj_cursor)
return;
// Put the cursor on the last character in the line.
dec_cursor();
if (cur_ve_flags == VE_ALL)
{
colnr_T scol, ecol;
// Coladd is set to the width of the last character.
getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
curwin->w_cursor.coladd = ecol - scol + 1;
}
}
/*
* If "process" is TRUE and the line begins with a comment leader (possibly
* after some white space), return a pointer to the text after it. Put a boolean
* value indicating whether the line ends with an unclosed comment in
* "is_comment".
* line - line to be processed,
* process - if FALSE, will only check whether the line ends with an unclosed
* comment,
* include_space - whether to also skip space following the comment leader,
* is_comment - will indicate whether the current line ends with an unclosed
* comment.
*/
char_u *
skip_comment(
char_u *line,
int process,
int include_space,
int *is_comment)
{
char_u *comment_flags = NULL;
int lead_len;
int leader_offset = get_last_leader_offset(line, &comment_flags);
*is_comment = FALSE;
if (leader_offset != -1)
{
// Let's check whether the line ends with an unclosed comment.
// If the last comment leader has COM_END in flags, there's no comment.
while (*comment_flags)
{
if (*comment_flags == COM_END
|| *comment_flags == ':')
break;
++comment_flags;
}
if (*comment_flags != COM_END)
*is_comment = TRUE;
}
if (process == FALSE)
return line;
lead_len = get_leader_len(line, &comment_flags, FALSE, include_space);
if (lead_len == 0)
return line;
// Find:
// - COM_END,
// - colon,
// whichever comes first.
while (*comment_flags)
{
if (*comment_flags == COM_END
|| *comment_flags == ':')
break;
++comment_flags;
}
// If we found a colon, it means that we are not processing a line
// starting with a closing part of a three-part comment. That's good,
// because we don't want to remove those as this would be annoying.
if (*comment_flags == ':' || *comment_flags == NUL)
line += lead_len;
return line;
}
/*
* Join 'count' lines (minimal 2) at the cursor position.
* When "save_undo" is TRUE save lines for undo first.
* Set "use_formatoptions" to FALSE when e.g. processing backspace and comment
* leaders should not be removed.
* When setmark is TRUE, sets the '[ and '] mark, else, the caller is expected
* to set those marks.
*
* return FAIL for failure, OK otherwise
*/
int
do_join(
long count,
int insert_space,
int save_undo,
int use_formatoptions UNUSED,
int setmark)
{
char_u *curr = NULL;
char_u *curr_start = NULL;
char_u *cend;
char_u *newp;
size_t newp_len;
char_u *spaces; // number of spaces inserted before a line
int endcurr1 = NUL;
int endcurr2 = NUL;
int currsize = 0; // size of the current line
int sumsize = 0; // size of the long new line
linenr_T t;
colnr_T col = 0;
int ret = OK;
int *comments = NULL;
int remove_comments = (use_formatoptions == TRUE)
&& has_format_option(FO_REMOVE_COMS);
int prev_was_comment;
#ifdef FEAT_PROP_POPUP
int propcount = 0; // number of props over all joined lines
int props_remaining;
#endif
if (save_undo && u_save((linenr_T)(curwin->w_cursor.lnum - 1),
(linenr_T)(curwin->w_cursor.lnum + count)) == FAIL)
return FAIL;
// Allocate an array to store the number of spaces inserted before each
// line. We will use it to pre-compute the length of the new line and the
// proper placement of each original line in the new one.
spaces = lalloc_clear(count, TRUE);
if (spaces == NULL)
return FAIL;
if (remove_comments)
{
comments = lalloc_clear(count * sizeof(int), TRUE);
if (comments == NULL)
{
vim_free(spaces);
return FAIL;
}
}
/*
* Don't move anything yet, just compute the final line length
* and setup the array of space strings lengths
* This loops forward over the joined lines.
*/
for (t = 0; t < count; ++t)
{
curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t));
#ifdef FEAT_PROP_POPUP
propcount += count_props((linenr_T) (curwin->w_cursor.lnum + t),
t > 0, t + 1 == count);
#endif
if (t == 0 && setmark && (cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0)
{
// Set the '[ mark.
curwin->w_buffer->b_op_start.lnum = curwin->w_cursor.lnum;
curwin->w_buffer->b_op_start.col = (colnr_T)STRLEN(curr);
}
if (remove_comments)
{
// We don't want to remove the comment leader if the
// previous line is not a comment.
if (t > 0 && prev_was_comment)
{
char_u *new_curr = skip_comment(curr, TRUE, insert_space,
&prev_was_comment);
comments[t] = (int)(new_curr - curr);
curr = new_curr;
}
else
curr = skip_comment(curr, FALSE, insert_space,
&prev_was_comment);
}
if (insert_space && t > 0)
{
curr = skipwhite(curr);
if (*curr != NUL && *curr != ')'
&& sumsize != 0 && endcurr1 != TAB
&& (!has_format_option(FO_MBYTE_JOIN)
|| (mb_ptr2char(curr) < 0x100 && endcurr1 < 0x100))
&& (!has_format_option(FO_MBYTE_JOIN2)
|| (mb_ptr2char(curr) < 0x100
&& !(enc_utf8 && utf_eat_space(endcurr1)))
|| (endcurr1 < 0x100
&& !(enc_utf8 && utf_eat_space(mb_ptr2char(curr)))))
)
{
// don't add a space if the line is ending in a space
if (endcurr1 == ' ')
endcurr1 = endcurr2;
else
++spaces[t];
// extra space when 'joinspaces' set and line ends in '.'
if ( p_js
&& (endcurr1 == '.'
|| (vim_strchr(p_cpo, CPO_JOINSP) == NULL
&& (endcurr1 == '?' || endcurr1 == '!'))))
++spaces[t];
}
}
currsize = (int)STRLEN(curr);
sumsize += currsize + spaces[t];
endcurr1 = endcurr2 = NUL;
if (insert_space && currsize > 0)
{
if (has_mbyte)
{
cend = curr + currsize;
MB_PTR_BACK(curr, cend);
endcurr1 = (*mb_ptr2char)(cend);
if (cend > curr)
{
MB_PTR_BACK(curr, cend);
endcurr2 = (*mb_ptr2char)(cend);
}
}
else
{
endcurr1 = *(curr + currsize - 1);
if (currsize > 1)
endcurr2 = *(curr + currsize - 2);
}
}
line_breakcheck();
if (got_int)
{
ret = FAIL;
goto theend;
}
}
// store the column position before last line
col = sumsize - currsize - spaces[count - 1];
// allocate the space for the new line
newp_len = sumsize + 1;
#ifdef FEAT_PROP_POPUP
newp_len += propcount * sizeof(textprop_T);
#endif
newp = alloc(newp_len);
if (newp == NULL)
{
ret = FAIL;
goto theend;
}
cend = newp + sumsize;
*cend = 0;
/*
* Move affected lines to the new long one.
* This loops backwards over the joined lines, including the original line.
*
* Move marks from each deleted line to the joined line, adjusting the
* column. This is not Vi compatible, but Vi deletes the marks, thus that
* should not really be a problem.
*/
#ifdef FEAT_PROP_POPUP
props_remaining = propcount;
#endif
for (t = count - 1; ; --t)
{
int spaces_removed;
cend -= currsize;
mch_memmove(cend, curr, (size_t)currsize);
if (spaces[t] > 0)
{
cend -= spaces[t];
vim_memset(cend, ' ', (size_t)(spaces[t]));
}
// If deleting more spaces than adding, the cursor moves no more than
// what is added if it is inside these spaces.
spaces_removed = (curr - curr_start) - spaces[t];
mark_col_adjust(curwin->w_cursor.lnum + t, (colnr_T)0, -t,
(long)(cend - newp - spaces_removed), spaces_removed);
#ifdef FEAT_PROP_POPUP
prepend_joined_props(newp + sumsize + 1, propcount, &props_remaining,
curwin->w_cursor.lnum + t, t == count - 1,
(long)(cend - newp), spaces_removed);
#endif
if (t == 0)
break;
curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t - 1));
if (remove_comments)
curr += comments[t - 1];
if (insert_space && t > 1)
curr = skipwhite(curr);
currsize = (int)STRLEN(curr);
}
ml_replace_len(curwin->w_cursor.lnum, newp, (colnr_T)newp_len, TRUE, FALSE);
if (setmark && (cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0)
{
// Set the '] mark.
curwin->w_buffer->b_op_end.lnum = curwin->w_cursor.lnum;
curwin->w_buffer->b_op_end.col = (colnr_T)sumsize;
}
// Only report the change in the first line here, del_lines() will report
// the deleted line.
changed_lines(curwin->w_cursor.lnum, currsize,
curwin->w_cursor.lnum + 1, 0L);
/*
* Delete following lines. To do this we move the cursor there
* briefly, and then move it back. After del_lines() the cursor may
* have moved up (last line deleted), so the current lnum is kept in t.
*/
t = curwin->w_cursor.lnum;
++curwin->w_cursor.lnum;
del_lines(count - 1, FALSE);
curwin->w_cursor.lnum = t;
/*
* Set the cursor column:
* Vi compatible: use the column of the first join
* vim: use the column of the last join
*/
curwin->w_cursor.col =
(vim_strchr(p_cpo, CPO_JOINCOL) != NULL ? currsize : col);
check_cursor_col();
curwin->w_cursor.coladd = 0;
curwin->w_set_curswant = TRUE;
theend:
vim_free(spaces);
if (remove_comments)
vim_free(comments);
return ret;
}
#ifdef FEAT_LINEBREAK
/*
* Reset 'linebreak' and take care of side effects.
* Returns the previous value, to be passed to restore_lbr().
*/
static int
reset_lbr(void)
{
if (!curwin->w_p_lbr)
return FALSE;
// changing 'linebreak' may require w_virtcol to be updated
curwin->w_p_lbr = FALSE;
curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL);
return TRUE;
}
/*
* Restore 'linebreak' and take care of side effects.
*/
static void
restore_lbr(int lbr_saved)
{
if (curwin->w_p_lbr || !lbr_saved)
return;
// changing 'linebreak' may require w_virtcol to be updated
curwin->w_p_lbr = TRUE;
curwin->w_valid &= ~(VALID_WROW|VALID_WCOL|VALID_VIRTCOL);
}
#endif
/*
* prepare a few things for block mode yank/delete/tilde
*
* for delete:
* - textlen includes the first/last char to be (partly) deleted
* - start/endspaces is the number of columns that are taken by the
* first/last deleted char minus the number of columns that have to be
* deleted.
* for yank and tilde:
* - textlen includes the first/last char to be wholly yanked
* - start/endspaces is the number of columns of the first/last yanked char
* that are to be yanked.
*/
void
block_prep(
oparg_T *oap,
struct block_def *bdp,
linenr_T lnum,
int is_del)
{
int incr = 0;
char_u *pend;
char_u *pstart;
char_u *line;
char_u *prev_pstart;
char_u *prev_pend;
chartabsize_T cts;
#ifdef FEAT_LINEBREAK
// Avoid a problem with unwanted linebreaks in block mode.
int lbr_saved = reset_lbr();
#endif
bdp->startspaces = 0;
bdp->endspaces = 0;
bdp->textlen = 0;
bdp->start_vcol = 0;
bdp->end_vcol = 0;
bdp->is_short = FALSE;
bdp->is_oneChar = FALSE;
bdp->pre_whitesp = 0;
bdp->pre_whitesp_c = 0;
bdp->end_char_vcols = 0;
bdp->start_char_vcols = 0;
line = ml_get(lnum);
prev_pstart = line;
init_chartabsize_arg(&cts, curwin, lnum, bdp->start_vcol, line, line);
while (cts.cts_vcol < oap->start_vcol && *cts.cts_ptr != NUL)
{
// Count a tab for what it's worth (if list mode not on)
incr = lbr_chartabsize(&cts);
cts.cts_vcol += incr;
if (VIM_ISWHITE(*cts.cts_ptr))
{
bdp->pre_whitesp += incr;
bdp->pre_whitesp_c++;
}
else
{
bdp->pre_whitesp = 0;
bdp->pre_whitesp_c = 0;
}
prev_pstart = cts.cts_ptr;
MB_PTR_ADV(cts.cts_ptr);
}
bdp->start_vcol = cts.cts_vcol;
pstart = cts.cts_ptr;
clear_chartabsize_arg(&cts);
bdp->start_char_vcols = incr;
if (bdp->start_vcol < oap->start_vcol) // line too short
{
bdp->end_vcol = bdp->start_vcol;
bdp->is_short = TRUE;
if (!is_del || oap->op_type == OP_APPEND)
bdp->endspaces = oap->end_vcol - oap->start_vcol + 1;
}
else
{
// notice: this converts partly selected Multibyte characters to
// spaces, too.
bdp->startspaces = bdp->start_vcol - oap->start_vcol;
if (is_del && bdp->startspaces)
bdp->startspaces = bdp->start_char_vcols - bdp->startspaces;
pend = pstart;
bdp->end_vcol = bdp->start_vcol;
if (bdp->end_vcol > oap->end_vcol) // it's all in one character
{
bdp->is_oneChar = TRUE;
if (oap->op_type == OP_INSERT)
bdp->endspaces = bdp->start_char_vcols - bdp->startspaces;
else if (oap->op_type == OP_APPEND)
{
bdp->startspaces += oap->end_vcol - oap->start_vcol + 1;
bdp->endspaces = bdp->start_char_vcols - bdp->startspaces;
}
else
{
bdp->startspaces = oap->end_vcol - oap->start_vcol + 1;
if (is_del && oap->op_type != OP_LSHIFT)
{
// just putting the sum of those two into
// bdp->startspaces doesn't work for Visual replace,
// so we have to split the tab in two
bdp->startspaces = bdp->start_char_vcols
- (bdp->start_vcol - oap->start_vcol);
bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1;
}
}
}
else
{
init_chartabsize_arg(&cts, curwin, lnum, bdp->end_vcol,
line, pend);
prev_pend = pend;
while (cts.cts_vcol <= oap->end_vcol && *cts.cts_ptr != NUL)
{
// count a tab for what it's worth (if list mode not on)
prev_pend = cts.cts_ptr;
incr = lbr_chartabsize_adv(&cts);
cts.cts_vcol += incr;
}
bdp->end_vcol = cts.cts_vcol;
pend = cts.cts_ptr;
clear_chartabsize_arg(&cts);
if (bdp->end_vcol <= oap->end_vcol
&& (!is_del
|| oap->op_type == OP_APPEND
|| oap->op_type == OP_REPLACE)) // line too short
{
bdp->is_short = TRUE;
// Alternative: include spaces to fill up the block.
// Disadvantage: can lead to trailing spaces when the line is
// short where the text is put
// if (!is_del || oap->op_type == OP_APPEND)
if (oap->op_type == OP_APPEND || virtual_op)
bdp->endspaces = oap->end_vcol - bdp->end_vcol
+ oap->inclusive;
else
bdp->endspaces = 0; // replace doesn't add characters
}
else if (bdp->end_vcol > oap->end_vcol)
{
bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1;
if (!is_del && bdp->endspaces)
{
bdp->endspaces = incr - bdp->endspaces;
if (pend != pstart)
pend = prev_pend;
}
}
}
bdp->end_char_vcols = incr;
if (is_del && bdp->startspaces)
pstart = prev_pstart;
bdp->textlen = (int)(pend - pstart);
}
bdp->textcol = (colnr_T) (pstart - line);
bdp->textstart = pstart;
#ifdef FEAT_LINEBREAK
restore_lbr(lbr_saved);
#endif
}
/*
* Get block text from "start" to "end"
*/
void
charwise_block_prep(
pos_T start,
pos_T end,
struct block_def *bdp,
linenr_T lnum,
int inclusive)
{
colnr_T startcol = 0, endcol = MAXCOL;
colnr_T cs, ce;
char_u *p;
p = ml_get(lnum);
bdp->startspaces = 0;
bdp->endspaces = 0;
bdp->is_oneChar = FALSE;
bdp->start_char_vcols = 0;
if (lnum == start.lnum)
{
startcol = start.col;
if (virtual_op)
{
getvcol(curwin, &start, &cs, NULL, &ce);
if (ce != cs && start.coladd > 0)
{
// Part of a tab selected -- but don't
// double-count it.
bdp->start_char_vcols = ce - cs + 1;
bdp->startspaces = bdp->start_char_vcols - start.coladd;
if (bdp->startspaces < 0)
bdp->startspaces = 0;
startcol++;
}
}
}
if (lnum == end.lnum)
{
endcol = end.col;
if (virtual_op)
{
getvcol(curwin, &end, &cs, NULL, &ce);
if (p[endcol] == NUL || (cs + end.coladd < ce
// Don't add space for double-wide
// char; endcol will be on last byte
// of multi-byte char.
&& (*mb_head_off)(p, p + endcol) == 0))
{
if (start.lnum == end.lnum && start.col == end.col)
{
// Special case: inside a single char
bdp->is_oneChar = TRUE;
bdp->startspaces = end.coladd - start.coladd + inclusive;
endcol = startcol;
}
else
{
bdp->endspaces = end.coladd + inclusive;
endcol -= inclusive;
}
}
}
}
if (endcol == MAXCOL)
endcol = ml_get_len(lnum);
if (startcol > endcol || bdp->is_oneChar)
bdp->textlen = 0;
else
bdp->textlen = endcol - startcol + inclusive;
bdp->textcol = startcol;
bdp->textstart = p + startcol;
}
/*
* Handle the add/subtract operator.
*/
void
op_addsub(
oparg_T *oap,
linenr_T Prenum1, // Amount of add/subtract
int g_cmd) // was g<c-a>/g<c-x>
{
pos_T pos;
struct block_def bd;
int change_cnt = 0;
linenr_T amount = Prenum1;
// do_addsub() might trigger re-evaluation of 'foldexpr' halfway, when the
// buffer is not completely updated yet. Postpone updating folds until before
// the call to changed_lines().
#ifdef FEAT_FOLDING
disable_fold_update++;
#endif
if (!VIsual_active)
{
pos = curwin->w_cursor;
if (u_save_cursor() == FAIL)
{
#ifdef FEAT_FOLDING
disable_fold_update--;
#endif
return;
}
change_cnt = do_addsub(oap->op_type, &pos, 0, amount);
#ifdef FEAT_FOLDING
disable_fold_update--;
#endif
if (change_cnt)
changed_lines(pos.lnum, 0, pos.lnum + 1, 0L);
}
else
{
int one_change;
int length;
pos_T startpos;
if (u_save((linenr_T)(oap->start.lnum - 1),
(linenr_T)(oap->end.lnum + 1)) == FAIL)
{
#ifdef FEAT_FOLDING
disable_fold_update--;
#endif
return;
}
pos = oap->start;
for (; pos.lnum <= oap->end.lnum; ++pos.lnum)
{
if (oap->block_mode) // Visual block mode
{
block_prep(oap, &bd, pos.lnum, FALSE);
pos.col = bd.textcol;
length = bd.textlen;
}
else if (oap->motion_type == MLINE)
{
curwin->w_cursor.col = 0;
pos.col = 0;
length = ml_get_len(pos.lnum);
}
else // oap->motion_type == MCHAR
{
if (pos.lnum == oap->start.lnum && !oap->inclusive)
dec(&(oap->end));
length = ml_get_len(pos.lnum);
pos.col = 0;
if (pos.lnum == oap->start.lnum)
{
pos.col += oap->start.col;
length -= oap->start.col;
}
if (pos.lnum == oap->end.lnum)
{
length = ml_get_len(oap->end.lnum);
if (oap->end.col >= length)
oap->end.col = length - 1;
length = oap->end.col - pos.col + 1;
}
}
one_change = do_addsub(oap->op_type, &pos, length, amount);
if (one_change)
{
// Remember the start position of the first change.
if (change_cnt == 0)
startpos = curbuf->b_op_start;
++change_cnt;
}
#ifdef FEAT_NETBEANS_INTG
if (netbeans_active() && one_change)
{
char_u *ptr;
netbeans_removed(curbuf, pos.lnum, pos.col, (long)length);
ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
netbeans_inserted(curbuf, pos.lnum, pos.col,
&ptr[pos.col], length);
}
#endif
if (g_cmd && one_change)
amount += Prenum1;
}
#ifdef FEAT_FOLDING
disable_fold_update--;
#endif
if (change_cnt)
changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L);
if (!change_cnt && oap->is_VIsual)
// No change: need to remove the Visual selection
redraw_curbuf_later(UPD_INVERTED);
// Set '[ mark if something changed. Keep the last end
// position from do_addsub().
if (change_cnt > 0 && (cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0)
curbuf->b_op_start = startpos;
if (change_cnt > p_report)
smsg(NGETTEXT("%d line changed", "%d lines changed",
change_cnt), change_cnt);
}
}
/*
* Add or subtract 'Prenum1' from a number in a line
* op_type is OP_NR_ADD or OP_NR_SUB
*
* Returns TRUE if some character was changed.
*/
static int
do_addsub(
int op_type,
pos_T *pos,
int length,
linenr_T Prenum1)
{
int col;
char_u *buf1;
char_u buf2[NUMBUFLEN];
int pre; // 'X'/'x': hex; '0': octal; 'B'/'b': bin
static int hexupper = FALSE; // 0xABC
uvarnumber_T n;
uvarnumber_T oldn;
char_u *ptr;
int linelen;
int c;
int todel;
int do_hex;
int do_oct;
int do_bin;
int do_alpha;
int do_unsigned;
int firstdigit;
int subtract;
int negative = FALSE;
int was_positive = TRUE;
int visual = VIsual_active;
int did_change = FALSE;
pos_T save_cursor = curwin->w_cursor;
int maxlen = 0;
pos_T startpos;
pos_T endpos;
colnr_T save_coladd = 0;
do_hex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); // "heX"
do_oct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); // "Octal"
do_bin = (vim_strchr(curbuf->b_p_nf, 'b') != NULL); // "Bin"
do_alpha = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); // "alPha"
do_unsigned = (vim_strchr(curbuf->b_p_nf, 'u') != NULL); // "Unsigned"
if (virtual_active())
{
save_coladd = pos->coladd;
pos->coladd = 0;
}
curwin->w_cursor = *pos;
ptr = ml_get(pos->lnum);
linelen = ml_get_len(pos->lnum);
col = pos->col;
if (col + !!save_coladd >= linelen)
goto theend;
/*
* First check if we are on a hexadecimal number, after the "0x".
*/
if (!VIsual_active)
{
if (do_bin)
while (col > 0 && vim_isbdigit(ptr[col]))
{
--col;
if (has_mbyte)
col -= (*mb_head_off)(ptr, ptr + col);
}
if (do_hex)
while (col > 0 && vim_isxdigit(ptr[col]))
{
--col;
if (has_mbyte)
col -= (*mb_head_off)(ptr, ptr + col);
}
if ( do_bin
&& do_hex
&& ! ((col > 0
&& (ptr[col] == 'X'
|| ptr[col] == 'x')
&& ptr[col - 1] == '0'
&& (!has_mbyte ||
!(*mb_head_off)(ptr, ptr + col - 1))
&& vim_isxdigit(ptr[col + 1]))))
{
// In case of binary/hexadecimal pattern overlap match, rescan
col = pos->col;
while (col > 0 && vim_isdigit(ptr[col]))
{
col--;
if (has_mbyte)
col -= (*mb_head_off)(ptr, ptr + col);
}
}
if (( do_hex
&& col > 0
&& (ptr[col] == 'X'
|| ptr[col] == 'x')
&& ptr[col - 1] == '0'
&& (!has_mbyte ||
!(*mb_head_off)(ptr, ptr + col - 1))
&& vim_isxdigit(ptr[col + 1])) ||
( do_bin
&& col > 0
&& (ptr[col] == 'B'
|| ptr[col] == 'b')
&& ptr[col - 1] == '0'
&& (!has_mbyte ||
!(*mb_head_off)(ptr, ptr + col - 1))
&& vim_isbdigit(ptr[col + 1])))
{
// Found hexadecimal or binary number, move to its start.
--col;
if (has_mbyte)
col -= (*mb_head_off)(ptr, ptr + col);
}
else
{
/*
* Search forward and then backward to find the start of number.
*/
col = pos->col;
while (ptr[col] != NUL
&& !vim_isdigit(ptr[col])
&& !(do_alpha && ASCII_ISALPHA(ptr[col])))
col += mb_ptr2len(ptr + col);
while (col > 0
&& vim_isdigit(ptr[col - 1])
&& !(do_alpha && ASCII_ISALPHA(ptr[col])))
{
--col;
if (has_mbyte)
col -= (*mb_head_off)(ptr, ptr + col);
}
}
}
if (visual)
{
while (ptr[col] != NUL && length > 0
&& !vim_isdigit(ptr[col])
&& !(do_alpha && ASCII_ISALPHA(ptr[col])))
{
int mb_len = mb_ptr2len(ptr + col);
col += mb_len;
length -= mb_len;
}
if (length == 0)
goto theend;
if (col > pos->col && ptr[col - 1] == '-'
&& (!has_mbyte || !(*mb_head_off)(ptr, ptr + col - 1))
&& !do_unsigned)
{
negative = TRUE;
was_positive = FALSE;
}
}
/*
* If a number was found, and saving for undo works, replace the number.
*/
firstdigit = ptr[col];
if (!VIM_ISDIGIT(firstdigit) && !(do_alpha && ASCII_ISALPHA(firstdigit)))
{
beep_flush();
goto theend;
}
if (do_alpha && ASCII_ISALPHA(firstdigit))
{
// decrement or increment alphabetic character
if (op_type == OP_NR_SUB)
{
if (CharOrd(firstdigit) < Prenum1)
{
if (SAFE_isupper(firstdigit))
firstdigit = 'A';
else
firstdigit = 'a';
}
else
firstdigit -= Prenum1;
}
else
{
if (26 - CharOrd(firstdigit) - 1 < Prenum1)
{
if (SAFE_isupper(firstdigit))
firstdigit = 'Z';
else
firstdigit = 'z';
}
else
firstdigit += Prenum1;
}
curwin->w_cursor.col = col;
if (!did_change)
startpos = curwin->w_cursor;
did_change = TRUE;
(void)del_char(FALSE);
ins_char(firstdigit);
endpos = curwin->w_cursor;
curwin->w_cursor.col = col;
}
else
{
pos_T save_pos;
int i;
if (col > 0 && ptr[col - 1] == '-'
&& (!has_mbyte ||
!(*mb_head_off)(ptr, ptr + col - 1))
&& !visual
&& !do_unsigned)
{
// negative number
--col;
negative = TRUE;
}
// get the number value (unsigned)
if (visual && VIsual_mode != 'V')
maxlen = (curbuf->b_visual.vi_curswant == MAXCOL
? linelen - col : length);
int overflow = FALSE;
vim_str2nr(ptr + col, &pre, &length,
0 + (do_bin ? STR2NR_BIN : 0)
+ (do_oct ? STR2NR_OCT : 0)
+ (do_hex ? STR2NR_HEX : 0),
NULL, &n, maxlen, FALSE, &overflow);
// ignore leading '-' for hex and octal and bin numbers
if (pre && negative)
{
++col;
--length;
negative = FALSE;
}
// add or subtract
subtract = FALSE;
if (op_type == OP_NR_SUB)
subtract ^= TRUE;
if (negative)
subtract ^= TRUE;
oldn = n;
if (!overflow) // if number is too big don't add/subtract
{
if (subtract)
n -= (uvarnumber_T)Prenum1;
else
n += (uvarnumber_T)Prenum1;
}
// handle wraparound for decimal numbers
if (!pre)
{
if (subtract)
{
if (n > oldn)
{
n = 1 + (n ^ (uvarnumber_T)-1);
negative ^= TRUE;
}
}
else
{
// add
if (n < oldn)
{
n = (n ^ (uvarnumber_T)-1);
negative ^= TRUE;
}
}
if (n == 0)
negative = FALSE;
}
if (do_unsigned && negative)
{
if (subtract)
// sticking at zero.
n = (uvarnumber_T)0;
else
// sticking at 2^64 - 1.
n = (uvarnumber_T)(-1);
negative = FALSE;
}
if (visual && !was_positive && !negative && col > 0)
{
// need to remove the '-'
col--;
length++;
}
/*
* Delete the old number.
*/
curwin->w_cursor.col = col;
if (!did_change)
startpos = curwin->w_cursor;
did_change = TRUE;
todel = length;
c = gchar_cursor();
/*
* Don't include the '-' in the length, only the length of the
* part after it is kept the same.
*/
if (c == '-')
--length;
save_pos = curwin->w_cursor;
for (i = 0; i < todel; ++i)
{
if (c < 0x100 && SAFE_isalpha(c))
{
if (SAFE_isupper(c))
hexupper = TRUE;
else
hexupper = FALSE;
}
inc_cursor();
c = gchar_cursor();
}
curwin->w_cursor = save_pos;
/*
* Prepare the leading characters in buf1[].
* When there are many leading zeros it could be very long.
* Allocate a bit too much.
*/
buf1 = alloc(length + NUMBUFLEN);
if (buf1 == NULL)
goto theend;
ptr = buf1;
if (negative && (!visual || was_positive))
*ptr++ = '-';
if (pre)
{
*ptr++ = '0';
--length;
}
if (pre == 'b' || pre == 'B' ||
pre == 'x' || pre == 'X')
{
*ptr++ = pre;
--length;
}
/*
* Put the number characters in buf2[].
*/
if (pre == 'b' || pre == 'B')
{
int bit = 0;
int bits = sizeof(uvarnumber_T) * 8;
// leading zeros
for (bit = bits; bit > 0; bit--)
if ((n >> (bit - 1)) & 0x1) break;
for (i = 0; bit > 0 && i < (NUMBUFLEN - 1); bit--)
buf2[i++] = ((n >> (bit - 1)) & 0x1) ? '1' : '0';
buf2[i] = '\0';
}
else if (pre == 0)
vim_snprintf((char *)buf2, NUMBUFLEN, "%llu", n);
else if (pre == '0')
vim_snprintf((char *)buf2, NUMBUFLEN, "%llo", n);
else if (pre && hexupper)
vim_snprintf((char *)buf2, NUMBUFLEN, "%llX", n);
else
vim_snprintf((char *)buf2, NUMBUFLEN, "%llx", n);
length -= (int)STRLEN(buf2);
/*
* Adjust number of zeros to the new number of digits, so the
* total length of the number remains the same.
* Don't do this when
* the result may look like an octal number.
*/
if (firstdigit == '0' && !(do_oct && pre == 0))
while (length-- > 0)
*ptr++ = '0';
*ptr = NUL;
STRCAT(buf1, buf2);
// Insert just after the first character to be removed, so that any
// text properties will be adjusted. Then delete the old number
// afterwards.
save_pos = curwin->w_cursor;
if (todel > 0)
inc_cursor();
ins_str(buf1); // insert the new number
vim_free(buf1);
// del_char() will also mark line needing displaying
if (todel > 0)
{
int bytes_after = ml_get_curline_len() - curwin->w_cursor.col;
// Delete the one character before the insert.
curwin->w_cursor = save_pos;
(void)del_char(FALSE);
curwin->w_cursor.col = ml_get_curline_len() - bytes_after;
--todel;
}
while (todel-- > 0)
(void)del_char(FALSE);
endpos = curwin->w_cursor;
if (did_change && curwin->w_cursor.col)
--curwin->w_cursor.col;
}
if (did_change && (cmdmod.cmod_flags & CMOD_LOCKMARKS) == 0)
{
// set the '[ and '] marks
curbuf->b_op_start = startpos;
curbuf->b_op_end = endpos;
if (curbuf->b_op_end.col > 0)
--curbuf->b_op_end.col;
}
theend:
if (visual)
curwin->w_cursor = save_cursor;
else if (did_change)
curwin->w_set_curswant = TRUE;
else if (virtual_active())
curwin->w_cursor.coladd = save_coladd;
return did_change;
}
void
clear_oparg(oparg_T *oap)
{
CLEAR_POINTER(oap);
}
/*
* Count the number of bytes, characters and "words" in a line.
*
* "Words" are counted by looking for boundaries between non-space and
* space characters. (it seems to produce results that match 'wc'.)
*
* Return value is byte count; word count for the line is added to "*wc".
* Char count is added to "*cc".
*
* The function will only examine the first "limit" characters in the
* line, stopping if it encounters an end-of-line (NUL byte). In that
* case, eol_size will be added to the character count to account for
* the size of the EOL character.
*/
static varnumber_T
line_count_info(
char_u *line,
varnumber_T *wc,
varnumber_T *cc,
varnumber_T limit,
int eol_size)
{
varnumber_T i;
varnumber_T words = 0;
varnumber_T chars = 0;
int is_word = 0;
for (i = 0; i < limit && line[i] != NUL; )
{
if (is_word)
{
if (vim_isspace(line[i]))
{
words++;
is_word = 0;
}
}
else if (!vim_isspace(line[i]))
is_word = 1;
++chars;
i += (*mb_ptr2len)(line + i);
}
if (is_word)
words++;
*wc += words;
// Add eol_size if the end of line was reached before hitting limit.
if (i < limit && line[i] == NUL)
{
i += eol_size;
chars += eol_size;
}
*cc += chars;
return i;
}
/*
* Give some info about the position of the cursor (for "g CTRL-G").
* In Visual mode, give some info about the selected region. (In this case,
* the *_count_cursor variables store running totals for the selection.)
* When "dict" is not NULL store the info there instead of showing it.
*/
void
cursor_pos_info(dict_T *dict)
{
char_u *p;
char_u buf1[50];
char_u buf2[40];
linenr_T lnum;
varnumber_T byte_count = 0;
varnumber_T bom_count = 0;
varnumber_T byte_count_cursor = 0;
varnumber_T char_count = 0;
varnumber_T char_count_cursor = 0;
varnumber_T word_count = 0;
varnumber_T word_count_cursor = 0;
int eol_size;
varnumber_T last_check = 100000L;
long line_count_selected = 0;
pos_T min_pos, max_pos;
oparg_T oparg;
struct block_def bd;
/*
* Compute the length of the file in characters.
*/
if (curbuf->b_ml.ml_flags & ML_EMPTY)
{
if (dict == NULL)
{
msg(_(no_lines_msg));
return;
}
}
else
{
if (get_fileformat(curbuf) == EOL_DOS)
eol_size = 2;
else
eol_size = 1;
if (VIsual_active)
{
if (LT_POS(VIsual, curwin->w_cursor))
{
min_pos = VIsual;
max_pos = curwin->w_cursor;
}
else
{
min_pos = curwin->w_cursor;
max_pos = VIsual;
}
if (*p_sel == 'e' && max_pos.col > 0)
--max_pos.col;
if (VIsual_mode == Ctrl_V)
{
#ifdef FEAT_LINEBREAK
char_u * saved_sbr = p_sbr;
char_u * saved_w_sbr = curwin->w_p_sbr;
// Make 'sbr' empty for a moment to get the correct size.
p_sbr = empty_option;
curwin->w_p_sbr = empty_option;
#endif
oparg.is_VIsual = 1;
oparg.block_mode = TRUE;
oparg.op_type = OP_NOP;
getvcols(curwin, &min_pos, &max_pos,
&oparg.start_vcol, &oparg.end_vcol);
#ifdef FEAT_LINEBREAK
p_sbr = saved_sbr;
curwin->w_p_sbr = saved_w_sbr;
#endif
if (curwin->w_curswant == MAXCOL)
oparg.end_vcol = MAXCOL;
// Swap the start, end vcol if needed
if (oparg.end_vcol < oparg.start_vcol)
{
oparg.end_vcol += oparg.start_vcol;
oparg.start_vcol = oparg.end_vcol - oparg.start_vcol;
oparg.end_vcol -= oparg.start_vcol;
}
}
line_count_selected = max_pos.lnum - min_pos.lnum + 1;
}
for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum)
{
// Check for a CTRL-C every 100000 characters.
if (byte_count > last_check)
{
ui_breakcheck();
if (got_int)
return;
last_check = byte_count + 100000L;
}
// Do extra processing for VIsual mode.
if (VIsual_active
&& lnum >= min_pos.lnum && lnum <= max_pos.lnum)
{
char_u *s = NULL;
long len = 0L;
switch (VIsual_mode)
{
case Ctrl_V:
virtual_op = virtual_active();
block_prep(&oparg, &bd, lnum, 0);
virtual_op = MAYBE;
s = bd.textstart;
len = (long)bd.textlen;
break;
case 'V':
s = ml_get(lnum);
len = MAXCOL;
break;
case 'v':
{
colnr_T start_col = (lnum == min_pos.lnum)
? min_pos.col : 0;
colnr_T end_col = (lnum == max_pos.lnum)
? max_pos.col - start_col + 1 : MAXCOL;
s = ml_get(lnum) + start_col;
len = end_col;
}
break;
}
if (s != NULL)
{
byte_count_cursor += line_count_info(s, &word_count_cursor,
&char_count_cursor, len, eol_size);
if (lnum == curbuf->b_ml.ml_line_count
&& !curbuf->b_p_eol
&& (curbuf->b_p_bin || !curbuf->b_p_fixeol)
&& (long)STRLEN(s) < len)
byte_count_cursor -= eol_size;
}
}
else
{
// In non-visual mode, check for the line the cursor is on
if (lnum == curwin->w_cursor.lnum)
{
word_count_cursor += word_count;
char_count_cursor += char_count;
byte_count_cursor = byte_count +
line_count_info(ml_get(lnum),
&word_count_cursor, &char_count_cursor,
(varnumber_T)(curwin->w_cursor.col + 1),
eol_size);
}
}
// Add to the running totals
byte_count += line_count_info(ml_get(lnum), &word_count,
&char_count, (varnumber_T)MAXCOL,
eol_size);
}
// Correction for when last line doesn't have an EOL.
if (!curbuf->b_p_eol && (curbuf->b_p_bin || !curbuf->b_p_fixeol))
byte_count -= eol_size;
if (dict == NULL)
{
if (VIsual_active)
{
if (VIsual_mode == Ctrl_V && curwin->w_curswant < MAXCOL)
{
getvcols(curwin, &min_pos, &max_pos, &min_pos.col,
&max_pos.col);
vim_snprintf((char *)buf1, sizeof(buf1), _("%ld Cols; "),
(long)(oparg.end_vcol - oparg.start_vcol + 1));
}
else
buf1[0] = NUL;
if (char_count_cursor == byte_count_cursor
&& char_count == byte_count)
vim_snprintf((char *)IObuff, IOSIZE,
_("Selected %s%ld of %ld Lines; %lld of %lld Words; %lld of %lld Bytes"),
buf1, line_count_selected,
(long)curbuf->b_ml.ml_line_count,
word_count_cursor,
word_count,
byte_count_cursor,
byte_count);
else
vim_snprintf((char *)IObuff, IOSIZE,
_("Selected %s%ld of %ld Lines; %lld of %lld Words; %lld of %lld Chars; %lld of %lld Bytes"),
buf1, line_count_selected,
(long)curbuf->b_ml.ml_line_count,
word_count_cursor,
word_count,
char_count_cursor,
char_count,
byte_count_cursor,
byte_count);
}
else
{
p = ml_get_curline();
validate_virtcol();
col_print(buf1, sizeof(buf1), (int)curwin->w_cursor.col + 1,
(int)curwin->w_virtcol + 1);
col_print(buf2, sizeof(buf2), ml_get_curline_len(),
linetabsize_str(p));
if (char_count_cursor == byte_count_cursor
&& char_count == byte_count)
vim_snprintf((char *)IObuff, IOSIZE,
_("Col %s of %s; Line %ld of %ld; Word %lld of %lld; Byte %lld of %lld"),
(char *)buf1, (char *)buf2,
(long)curwin->w_cursor.lnum,
(long)curbuf->b_ml.ml_line_count,
word_count_cursor, word_count,
byte_count_cursor, byte_count);
else
vim_snprintf((char *)IObuff, IOSIZE,
_("Col %s of %s; Line %ld of %ld; Word %lld of %lld; Char %lld of %lld; Byte %lld of %lld"),
(char *)buf1, (char *)buf2,
(long)curwin->w_cursor.lnum,
(long)curbuf->b_ml.ml_line_count,
word_count_cursor, word_count,
char_count_cursor, char_count,
byte_count_cursor, byte_count);
}
}
bom_count = bomb_size();
if (dict == NULL && bom_count > 0)
{
size_t len = STRLEN(IObuff);
vim_snprintf((char *)IObuff + len, IOSIZE - len,
_("(+%lld for BOM)"), bom_count);
}
if (dict == NULL)
{
// Don't shorten this message, the user asked for it.
p = p_shm;
p_shm = (char_u *)"";
msg((char *)IObuff);
p_shm = p;
}
}
#if defined(FEAT_EVAL)
if (dict != NULL)
{
dict_add_number(dict, "words", word_count);
dict_add_number(dict, "chars", char_count);
dict_add_number(dict, "bytes", byte_count + bom_count);
dict_add_number(dict, VIsual_active ? "visual_bytes" : "cursor_bytes",
byte_count_cursor);
dict_add_number(dict, VIsual_active ? "visual_chars" : "cursor_chars",
char_count_cursor);
dict_add_number(dict, VIsual_active ? "visual_words" : "cursor_words",
word_count_cursor);
}
#endif
}
/*
* Handle indent and format operators and visual mode ":".
*/
static void
op_colon(oparg_T *oap)
{
stuffcharReadbuff(':');
if (oap->is_VIsual)
stuffReadbuff((char_u *)"'<,'>");
else
{
// Make the range look nice, so it can be repeated.
if (oap->start.lnum == curwin->w_cursor.lnum)
stuffcharReadbuff('.');
else
stuffnumReadbuff((long)oap->start.lnum);
#ifdef FEAT_FOLDING
// When using !! on a closed fold the range ".!" works best to operate
// on, it will be made the whole closed fold later.
linenr_T endOfStartFold = oap->start.lnum;
(void)hasFolding(oap->start.lnum, NULL, &endOfStartFold);
#endif
if (oap->end.lnum != oap->start.lnum
#ifdef FEAT_FOLDING
&& oap->end.lnum != endOfStartFold
#endif
)
{
// Make it a range with the end line.
stuffcharReadbuff(',');
if (oap->end.lnum == curwin->w_cursor.lnum)
stuffcharReadbuff('.');
else if (oap->end.lnum == curbuf->b_ml.ml_line_count)
stuffcharReadbuff('$');
else if (oap->start.lnum == curwin->w_cursor.lnum
#ifdef FEAT_FOLDING
// do not use ".+number" for a closed fold, it would count
// folded lines twice
&& !hasFolding(oap->end.lnum, NULL, NULL)
#endif
)
{
stuffReadbuff((char_u *)".+");
stuffnumReadbuff((long)oap->line_count - 1);
}
else
stuffnumReadbuff((long)oap->end.lnum);
}
}
if (oap->op_type != OP_COLON)
stuffReadbuff((char_u *)"!");
if (oap->op_type == OP_INDENT)
{
if (*get_equalprg() == NUL)
stuffReadbuff((char_u *)"indent");
else
stuffReadbuff(get_equalprg());
stuffReadbuff((char_u *)"\n");
}
else if (oap->op_type == OP_FORMAT)
{
if (*curbuf->b_p_fp != NUL)
stuffReadbuff(curbuf->b_p_fp);
else if (*p_fp != NUL)
stuffReadbuff(p_fp);
else
stuffReadbuff((char_u *)"fmt");
stuffReadbuff((char_u *)"\n']");
}
// do_cmdline() does the rest
}
// callback function for 'operatorfunc'
static callback_T opfunc_cb;
/*
* Process the 'operatorfunc' option value.
* Returns OK or FAIL.
*/
char *
did_set_operatorfunc(optset_T *args UNUSED)
{
if (option_set_callback_func(p_opfunc, &opfunc_cb) == FAIL)
return e_invalid_argument;
return NULL;
}
#if defined(EXITFREE) || defined(PROTO)
void
free_operatorfunc_option(void)
{
# ifdef FEAT_EVAL
free_callback(&opfunc_cb);
# endif
}
#endif
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* Mark the global 'operatorfunc' callback with "copyID" so that it is not
* garbage collected.
*/
int
set_ref_in_opfunc(int copyID UNUSED)
{
int abort = FALSE;
abort = set_ref_in_callback(&opfunc_cb, copyID);
return abort;
}
#endif
/*
* Handle the "g@" operator: call 'operatorfunc'.
*/
static void
op_function(oparg_T *oap UNUSED)
{
#ifdef FEAT_EVAL
typval_T argv[2];
pos_T orig_start = curbuf->b_op_start;
pos_T orig_end = curbuf->b_op_end;
typval_T rettv;
if (*p_opfunc == NUL)
emsg(_(e_operatorfunc_is_empty));
else
{
// Set '[ and '] marks to text to be operated on.
curbuf->b_op_start = oap->start;
curbuf->b_op_end = oap->end;
if (oap->motion_type != MLINE && !oap->inclusive)
// Exclude the end position.
decl(&curbuf->b_op_end);
argv[0].v_type = VAR_STRING;
if (oap->block_mode)
argv[0].vval.v_string = (char_u *)"block";
else if (oap->motion_type == MLINE)
argv[0].vval.v_string = (char_u *)"line";
else
argv[0].vval.v_string = (char_u *)"char";
argv[1].v_type = VAR_UNKNOWN;
// Reset virtual_op so that 'virtualedit' can be changed in the
// function.
int save_virtual_op = virtual_op;
virtual_op = MAYBE;
// Reset finish_op so that mode() returns the right value.
int save_finish_op = finish_op;
finish_op = FALSE;
if (call_callback(&opfunc_cb, 0, &rettv, 1, argv) != FAIL)
clear_tv(&rettv);
virtual_op = save_virtual_op;
finish_op = save_finish_op;
if (cmdmod.cmod_flags & CMOD_LOCKMARKS)
{
curbuf->b_op_start = orig_start;
curbuf->b_op_end = orig_end;
}
}
#else
emsg(_(e_eval_feature_not_available));
#endif
}
/*
* Calculate start/end virtual columns for operating in block mode.
*/
static void
get_op_vcol(
oparg_T *oap,
colnr_T redo_VIsual_vcol,
int initial) // when TRUE adjust position for 'selectmode'
{
colnr_T start, end;
if (VIsual_mode != Ctrl_V
|| (!initial && oap->end.col < curwin->w_width))
return;
oap->block_mode = TRUE;
// prevent from moving onto a trail byte
if (has_mbyte)
mb_adjustpos(curwin->w_buffer, &oap->end);
getvvcol(curwin, &(oap->start), &oap->start_vcol, NULL, &oap->end_vcol);
if (!redo_VIsual_busy)
{
getvvcol(curwin, &(oap->end), &start, NULL, &end);
if (start < oap->start_vcol)
oap->start_vcol = start;
if (end > oap->end_vcol)
{
if (initial && *p_sel == 'e' && start >= 1
&& start - 1 >= oap->end_vcol)
oap->end_vcol = start - 1;
else
oap->end_vcol = end;
}
}
// if '$' was used, get oap->end_vcol from longest line
if (curwin->w_curswant == MAXCOL)
{
curwin->w_cursor.col = MAXCOL;
oap->end_vcol = 0;
for (curwin->w_cursor.lnum = oap->start.lnum;
curwin->w_cursor.lnum <= oap->end.lnum;
++curwin->w_cursor.lnum)
{
getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end);
if (end > oap->end_vcol)
oap->end_vcol = end;
}
}
else if (redo_VIsual_busy)
oap->end_vcol = oap->start_vcol + redo_VIsual_vcol - 1;
// Correct oap->end.col and oap->start.col to be the
// upper-left and lower-right corner of the block area.
//
// (Actually, this does convert column positions into character
// positions)
curwin->w_cursor.lnum = oap->end.lnum;
coladvance(oap->end_vcol);
oap->end = curwin->w_cursor;
curwin->w_cursor = oap->start;
coladvance(oap->start_vcol);
oap->start = curwin->w_cursor;
}
// Information for redoing the previous Visual selection.
typedef struct {
int rv_mode; // 'v', 'V', or Ctrl-V
linenr_T rv_line_count; // number of lines
colnr_T rv_vcol; // number of cols or end column
long rv_count; // count for Visual operator
int rv_arg; // extra argument
} redo_VIsual_T;
static int
is_ex_cmdchar(cmdarg_T *cap)
{
return cap->cmdchar == ':'
|| cap->cmdchar == K_COMMAND
|| cap->cmdchar == K_SCRIPT_COMMAND;
}
/*
* Handle an operator after Visual mode or when the movement is finished.
* "gui_yank" is true when yanking text for the clipboard.
*/
void
do_pending_operator(cmdarg_T *cap, int old_col, int gui_yank)
{
oparg_T *oap = cap->oap;
pos_T old_cursor;
int empty_region_error;
int restart_edit_save;
#ifdef FEAT_LINEBREAK
int lbr_saved = curwin->w_p_lbr;
#endif
// The visual area is remembered for redo
static redo_VIsual_T redo_VIsual = {NUL, 0, 0, 0,0};
int include_line_break = FALSE;
#if defined(FEAT_CLIPBOARD)
// Yank the visual area into the GUI selection register before we operate
// on it and lose it forever.
// Don't do it if a specific register was specified, so that ""x"*P works.
// This could call do_pending_operator() recursively, but that's OK
// because gui_yank will be TRUE for the nested call.
if ((clip_star.available || clip_plus.available)
&& oap->op_type != OP_NOP
&& !gui_yank
&& VIsual_active
&& !redo_VIsual_busy
&& oap->regname == 0)
clip_auto_select();
#endif
old_cursor = curwin->w_cursor;
// If an operation is pending, handle it...
if ((finish_op || VIsual_active) && oap->op_type != OP_NOP)
{
// Yank can be redone when 'y' is in 'cpoptions', but not when yanking
// for the clipboard.
int redo_yank = vim_strchr(p_cpo, CPO_YANK) != NULL && !gui_yank;
#ifdef FEAT_LINEBREAK
// Avoid a problem with unwanted linebreaks in block mode.
(void)reset_lbr();
#endif
oap->is_VIsual = VIsual_active;
if (oap->motion_force == 'V')
oap->motion_type = MLINE;
else if (oap->motion_force == 'v')
{
// If the motion was linewise, "inclusive" will not have been set.
// Use "exclusive" to be consistent. Makes "dvj" work nice.
if (oap->motion_type == MLINE)
oap->inclusive = FALSE;
// If the motion already was characterwise, toggle "inclusive"
else if (oap->motion_type == MCHAR)
oap->inclusive = !oap->inclusive;
oap->motion_type = MCHAR;
}
else if (oap->motion_force == Ctrl_V)
{
// Change line- or characterwise motion into Visual block mode.
if (!VIsual_active)
{
VIsual_active = TRUE;
VIsual = oap->start;
}
VIsual_mode = Ctrl_V;
VIsual_select = FALSE;
VIsual_reselect = FALSE;
}
// Only redo yank when 'y' flag is in 'cpoptions'.
// Never redo "zf" (define fold).
if ((redo_yank || oap->op_type != OP_YANK)
&& ((!VIsual_active || oap->motion_force)
// Also redo Operator-pending Visual mode mappings
|| (VIsual_active
&& is_ex_cmdchar(cap) && oap->op_type != OP_COLON))
&& cap->cmdchar != 'D'
#ifdef FEAT_FOLDING
&& oap->op_type != OP_FOLD
&& oap->op_type != OP_FOLDOPEN
&& oap->op_type != OP_FOLDOPENREC
&& oap->op_type != OP_FOLDCLOSE
&& oap->op_type != OP_FOLDCLOSEREC
&& oap->op_type != OP_FOLDDEL
&& oap->op_type != OP_FOLDDELREC
#endif
)
{
prep_redo(oap->regname, cap->count0,
get_op_char(oap->op_type), get_extra_op_char(oap->op_type),
oap->motion_force, cap->cmdchar, cap->nchar);
if (cap->cmdchar == '/' || cap->cmdchar == '?') // was a search
{
// If 'cpoptions' does not contain 'r', insert the search
// pattern to really repeat the same command.
if (vim_strchr(p_cpo, CPO_REDO) == NULL)
AppendToRedobuffLit(cap->searchbuf, -1);
AppendToRedobuff(NL_STR);
}
else if (is_ex_cmdchar(cap))
{
// do_cmdline() has stored the first typed line in
// "repeat_cmdline". When several lines are typed repeating
// won't be possible.
if (repeat_cmdline == NULL)
ResetRedobuff();
else
{
if (cap->cmdchar == ':')
AppendToRedobuffLit(repeat_cmdline, -1);
else
AppendToRedobuffSpec(repeat_cmdline);
AppendToRedobuff(NL_STR);
VIM_CLEAR(repeat_cmdline);
}
}
}
if (redo_VIsual_busy)
{
// Redo of an operation on a Visual area. Use the same size from
// redo_VIsual.rv_line_count and redo_VIsual.rv_vcol.
oap->start = curwin->w_cursor;
curwin->w_cursor.lnum += redo_VIsual.rv_line_count - 1;
if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
VIsual_mode = redo_VIsual.rv_mode;
if (redo_VIsual.rv_vcol == MAXCOL || VIsual_mode == 'v')
{
if (VIsual_mode == 'v')
{
if (redo_VIsual.rv_line_count <= 1)
{
validate_virtcol();
curwin->w_curswant =
curwin->w_virtcol + redo_VIsual.rv_vcol - 1;
}
else
curwin->w_curswant = redo_VIsual.rv_vcol;
}
else
{
curwin->w_curswant = MAXCOL;
}
coladvance(curwin->w_curswant);
}
cap->count0 = redo_VIsual.rv_count;
if (redo_VIsual.rv_count != 0)
cap->count1 = redo_VIsual.rv_count;
else
cap->count1 = 1;
}
else if (VIsual_active)
{
if (!gui_yank)
{
// Save the current VIsual area for '< and '> marks, and "gv"
curbuf->b_visual.vi_start = VIsual;
curbuf->b_visual.vi_end = curwin->w_cursor;
curbuf->b_visual.vi_mode = VIsual_mode;
restore_visual_mode();
curbuf->b_visual.vi_curswant = curwin->w_curswant;
#ifdef FEAT_EVAL
curbuf->b_visual_mode_eval = VIsual_mode;
#endif
}
// In Select mode, a linewise selection is operated upon like a
// characterwise selection.
// Special case: gH<Del> deletes the last line.
if (VIsual_select && VIsual_mode == 'V'
&& cap->oap->op_type != OP_DELETE)
{
if (LT_POS(VIsual, curwin->w_cursor))
{
VIsual.col = 0;
curwin->w_cursor.col = ml_get_len(curwin->w_cursor.lnum);
}
else
{
curwin->w_cursor.col = 0;
VIsual.col = ml_get_len(VIsual.lnum);
}
VIsual_mode = 'v';
}
// If 'selection' is "exclusive", backup one character for
// charwise selections.
else if (VIsual_mode == 'v')
include_line_break = unadjust_for_sel();
oap->start = VIsual;
if (VIsual_mode == 'V')
{
oap->start.col = 0;
oap->start.coladd = 0;
}
}
// Set oap->start to the first position of the operated text, oap->end
// to the end of the operated text. w_cursor is equal to oap->start.
if (LT_POS(oap->start, curwin->w_cursor))
{
#ifdef FEAT_FOLDING
// Include folded lines completely.
if (!VIsual_active)
{
if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL))
oap->start.col = 0;
if ((curwin->w_cursor.col > 0 || oap->inclusive
|| oap->motion_type == MLINE)
&& hasFolding(curwin->w_cursor.lnum, NULL,
&curwin->w_cursor.lnum))
curwin->w_cursor.col = ml_get_curline_len();
}
#endif
oap->end = curwin->w_cursor;
curwin->w_cursor = oap->start;
// w_virtcol may have been updated; if the cursor goes back to its
// previous position w_virtcol becomes invalid and isn't updated
// automatically.
curwin->w_valid &= ~VALID_VIRTCOL;
}
else
{
#ifdef FEAT_FOLDING
// Include folded lines completely.
if (!VIsual_active && oap->motion_type == MLINE)
{
if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum,
NULL))
curwin->w_cursor.col = 0;
if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum))
oap->start.col = ml_get_len(oap->start.lnum);
}
#endif
oap->end = oap->start;
oap->start = curwin->w_cursor;
}
// Just in case lines were deleted that make the position invalid.
check_pos(curwin->w_buffer, &oap->end);
oap->line_count = oap->end.lnum - oap->start.lnum + 1;
// Set "virtual_op" before resetting VIsual_active.
virtual_op = virtual_active();
if (VIsual_active || redo_VIsual_busy)
{
get_op_vcol(oap, redo_VIsual.rv_vcol, TRUE);
if (!redo_VIsual_busy && !gui_yank)
{
// Prepare to reselect and redo Visual: this is based on the
// size of the Visual text
resel_VIsual_mode = VIsual_mode;
if (curwin->w_curswant == MAXCOL)
resel_VIsual_vcol = MAXCOL;
else
{
if (VIsual_mode != Ctrl_V)
getvvcol(curwin, &(oap->end),
NULL, NULL, &oap->end_vcol);
if (VIsual_mode == Ctrl_V || oap->line_count <= 1)
{
if (VIsual_mode != Ctrl_V)
getvvcol(curwin, &(oap->start),
&oap->start_vcol, NULL, NULL);
resel_VIsual_vcol = oap->end_vcol - oap->start_vcol + 1;
}
else
resel_VIsual_vcol = oap->end_vcol;
}
resel_VIsual_line_count = oap->line_count;
}
// can't redo yank (unless 'y' is in 'cpoptions') and ":"
if ((redo_yank || oap->op_type != OP_YANK)
&& oap->op_type != OP_COLON
#ifdef FEAT_FOLDING
&& oap->op_type != OP_FOLD
&& oap->op_type != OP_FOLDOPEN
&& oap->op_type != OP_FOLDOPENREC
&& oap->op_type != OP_FOLDCLOSE
&& oap->op_type != OP_FOLDCLOSEREC
&& oap->op_type != OP_FOLDDEL
&& oap->op_type != OP_FOLDDELREC
#endif
&& oap->motion_force == NUL
)
{
// Prepare for redoing. Only use the nchar field for "r",
// otherwise it might be the second char of the operator.
if (cap->cmdchar == 'g' && (cap->nchar == 'n'
|| cap->nchar == 'N'))
prep_redo(oap->regname, cap->count0,
get_op_char(oap->op_type),
get_extra_op_char(oap->op_type),
oap->motion_force, cap->cmdchar, cap->nchar);
else if (!is_ex_cmdchar(cap))
{
int opchar = get_op_char(oap->op_type);
int extra_opchar = get_extra_op_char(oap->op_type);
int nchar = oap->op_type == OP_REPLACE ? cap->nchar : NUL;
// reverse what nv_replace() did
if (nchar == REPLACE_CR_NCHAR)
nchar = CAR;
else if (nchar == REPLACE_NL_NCHAR)
nchar = NL;
if (opchar == 'g' && extra_opchar == '@')
// also repeat the count for 'operatorfunc'
prep_redo_num2(oap->regname, 0L, NUL, 'v',
cap->count0, opchar, extra_opchar, nchar);
else
prep_redo(oap->regname, 0L, NUL, 'v',
opchar, extra_opchar, nchar);
}
if (!redo_VIsual_busy)
{
redo_VIsual.rv_mode = resel_VIsual_mode;
redo_VIsual.rv_vcol = resel_VIsual_vcol;
redo_VIsual.rv_line_count = resel_VIsual_line_count;
redo_VIsual.rv_count = cap->count0;
redo_VIsual.rv_arg = cap->arg;
}
}
// oap->inclusive defaults to TRUE.
// If oap->end is on a NUL (empty line) oap->inclusive becomes
// FALSE. This makes "d}P" and "v}dP" work the same.
if (oap->motion_force == NUL || oap->motion_type == MLINE)
oap->inclusive = TRUE;
if (VIsual_mode == 'V')
oap->motion_type = MLINE;
else
{
oap->motion_type = MCHAR;
if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL
&& (include_line_break || !virtual_op))
{
oap->inclusive = FALSE;
// Try to include the newline, unless it's an operator
// that works on lines only.
if (*p_sel != 'o'
&& !op_on_lines(oap->op_type)
&& oap->end.lnum < curbuf->b_ml.ml_line_count)
{
++oap->end.lnum;
oap->end.col = 0;
oap->end.coladd = 0;
++oap->line_count;
}
}
}
redo_VIsual_busy = FALSE;
// Switch Visual off now, so screen updating does
// not show inverted text when the screen is redrawn.
// With OP_YANK and sometimes with OP_COLON and OP_FILTER there is
// no screen redraw, so it is done here to remove the inverted
// part.
if (!gui_yank)
{
VIsual_active = FALSE;
setmouse();
mouse_dragging = 0;
may_clear_cmdline();
if ((oap->op_type == OP_YANK
|| oap->op_type == OP_COLON
|| oap->op_type == OP_FUNCTION
|| oap->op_type == OP_FILTER)
&& oap->motion_force == NUL)
{
#ifdef FEAT_LINEBREAK
// make sure redrawing is correct
restore_lbr(lbr_saved);
#endif
redraw_curbuf_later(UPD_INVERTED);
}
}
}
// Include the trailing byte of a multi-byte char.
if (has_mbyte && oap->inclusive)
{
int l;
l = (*mb_ptr2len)(ml_get_pos(&oap->end));
if (l > 1)
oap->end.col += l - 1;
}
curwin->w_set_curswant = TRUE;
// oap->empty is set when start and end are the same. The inclusive
// flag affects this too, unless yanking and the end is on a NUL.
oap->empty = (oap->motion_type == MCHAR
&& (!oap->inclusive
|| (oap->op_type == OP_YANK
&& gchar_pos(&oap->end) == NUL))
&& EQUAL_POS(oap->start, oap->end)
&& !(virtual_op && oap->start.coladd != oap->end.coladd));
// For delete, change and yank, it's an error to operate on an
// empty region, when 'E' included in 'cpoptions' (Vi compatible).
empty_region_error = (oap->empty
&& vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL);
// Force a redraw when operating on an empty Visual region, when
// 'modifiable is off or creating a fold.
if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma
#ifdef FEAT_FOLDING
|| oap->op_type == OP_FOLD
#endif
))
{
#ifdef FEAT_LINEBREAK
restore_lbr(lbr_saved);
#endif
redraw_curbuf_later(UPD_INVERTED);
}
// If the end of an operator is in column one while oap->motion_type
// is MCHAR and oap->inclusive is FALSE, we put op_end after the last
// character in the previous line. If op_start is on or before the
// first non-blank in the line, the operator becomes linewise
// (strange, but that's the way vi does it).
if ( oap->motion_type == MCHAR
&& oap->inclusive == FALSE
&& !(cap->retval & CA_NO_ADJ_OP_END)
&& oap->end.col == 0
&& (!oap->is_VIsual || *p_sel == 'o')
&& !oap->block_mode
&& oap->line_count > 1)
{
oap->end_adjusted = TRUE; // remember that we did this
--oap->line_count;
--oap->end.lnum;
if (inindent(0))
oap->motion_type = MLINE;
else
{
oap->end.col = ml_get_len(oap->end.lnum);
if (oap->end.col)
{
--oap->end.col;
oap->inclusive = TRUE;
}
}
}
else
oap->end_adjusted = FALSE;
switch (oap->op_type)
{
case OP_LSHIFT:
case OP_RSHIFT:
op_shift(oap, TRUE, oap->is_VIsual ? (int)cap->count1 : 1);
auto_format(FALSE, TRUE);
break;
case OP_JOIN_NS:
case OP_JOIN:
if (oap->line_count < 2)
oap->line_count = 2;
if (curwin->w_cursor.lnum + oap->line_count - 1 >
curbuf->b_ml.ml_line_count)
beep_flush();
else
{
(void)do_join(oap->line_count, oap->op_type == OP_JOIN,
TRUE, TRUE, TRUE);
auto_format(FALSE, TRUE);
}
break;
case OP_DELETE:
VIsual_reselect = FALSE; // don't reselect now
if (empty_region_error)
{
vim_beep(BO_OPER);
CancelRedo();
}
else
{
(void)op_delete(oap);
// save cursor line for undo if it wasn't saved yet
if (oap->motion_type == MLINE && has_format_option(FO_AUTO)
&& u_save_cursor() == OK)
auto_format(FALSE, TRUE);
}
break;
case OP_YANK:
if (empty_region_error)
{
if (!gui_yank)
{
vim_beep(BO_OPER);
CancelRedo();
}
}
else
{
#ifdef FEAT_LINEBREAK
restore_lbr(lbr_saved);
#endif
oap->excl_tr_ws = cap->cmdchar == 'z';
(void)op_yank(oap, FALSE, !gui_yank);
}
check_cursor_col();
break;
case OP_CHANGE:
VIsual_reselect = FALSE; // don't reselect now
if (empty_region_error)
{
vim_beep(BO_OPER);
CancelRedo();
}
else
{
// This is a new edit command, not a restart. Need to
// remember it to make 'insertmode' work with mappings for
// Visual mode. But do this only once and not when typed and
// 'insertmode' isn't set.
if (p_im || !KeyTyped)
restart_edit_save = restart_edit;
else
restart_edit_save = 0;
restart_edit = 0;
#ifdef FEAT_LINEBREAK
// Restore linebreak, so that when the user edits it looks as
// before.
restore_lbr(lbr_saved);
#endif
// trigger TextChangedI
curbuf->b_last_changedtick_i = CHANGEDTICK(curbuf);
if (op_change(oap)) // will call edit()
cap->retval |= CA_COMMAND_BUSY;
if (restart_edit == 0)
restart_edit = restart_edit_save;
}
break;
case OP_FILTER:
if (vim_strchr(p_cpo, CPO_FILTER) != NULL)
AppendToRedobuff((char_u *)"!\r"); // use any last used !cmd
else
bangredo = TRUE; // do_bang() will put cmd in redo buffer
// FALLTHROUGH
case OP_INDENT:
case OP_COLON:
// If 'equalprg' is empty, do the indenting internally.
if (oap->op_type == OP_INDENT && *get_equalprg() == NUL)
{
if (curbuf->b_p_lisp)
{
#ifdef FEAT_EVAL
if (use_indentexpr_for_lisp())
op_reindent(oap, get_expr_indent);
else
#endif
op_reindent(oap, get_lisp_indent);
break;
}
op_reindent(oap,
#ifdef FEAT_EVAL
*curbuf->b_p_inde != NUL ? get_expr_indent :
#endif
get_c_indent);
break;
}
op_colon(oap);
break;
case OP_TILDE:
case OP_UPPER:
case OP_LOWER:
case OP_ROT13:
if (empty_region_error)
{
vim_beep(BO_OPER);
CancelRedo();
}
else
op_tilde(oap);
check_cursor_col();
break;
case OP_FORMAT:
#if defined(FEAT_EVAL)
if (*curbuf->b_p_fex != NUL)
op_formatexpr(oap); // use expression
else
#endif
{
if (*p_fp != NUL || *curbuf->b_p_fp != NUL)
op_colon(oap); // use external command
else
op_format(oap, FALSE); // use internal function
}
break;
case OP_FORMAT2:
op_format(oap, TRUE); // use internal function
break;
case OP_FUNCTION:
{
redo_VIsual_T save_redo_VIsual = redo_VIsual;
#ifdef FEAT_LINEBREAK
// Restore linebreak, so that when the user edits it looks as
// before.
restore_lbr(lbr_saved);
#endif
// call 'operatorfunc'
op_function(oap);
// Restore the info for redoing Visual mode, the function may
// invoke another operator and unintentionally change it.
redo_VIsual = save_redo_VIsual;
break;
}
case OP_INSERT:
case OP_APPEND:
VIsual_reselect = FALSE; // don't reselect now
if (empty_region_error)
{
vim_beep(BO_OPER);
CancelRedo();
}
else
{
// This is a new edit command, not a restart. Need to
// remember it to make 'insertmode' work with mappings for
// Visual mode. But do this only once.
restart_edit_save = restart_edit;
restart_edit = 0;
#ifdef FEAT_LINEBREAK
// Restore linebreak, so that when the user edits it looks as
// before.
restore_lbr(lbr_saved);
#endif
// trigger TextChangedI
curbuf->b_last_changedtick_i = CHANGEDTICK(curbuf);
op_insert(oap, cap->count1);
#ifdef FEAT_LINEBREAK
// Reset linebreak, so that formatting works correctly.
(void)reset_lbr();
#endif
// TODO: when inserting in several lines, should format all
// the lines.
auto_format(FALSE, TRUE);
if (restart_edit == 0)
restart_edit = restart_edit_save;
else
cap->retval |= CA_COMMAND_BUSY;
}
break;
case OP_REPLACE:
VIsual_reselect = FALSE; // don't reselect now
if (empty_region_error)
{
vim_beep(BO_OPER);
CancelRedo();
}
else
{
#ifdef FEAT_LINEBREAK
// Restore linebreak, so that when the user edits it looks as
// before.
restore_lbr(lbr_saved);
#endif
op_replace(oap, cap->nchar);
}
break;
#ifdef FEAT_FOLDING
case OP_FOLD:
VIsual_reselect = FALSE; // don't reselect now
foldCreate(oap->start.lnum, oap->end.lnum);
break;
case OP_FOLDOPEN:
case OP_FOLDOPENREC:
case OP_FOLDCLOSE:
case OP_FOLDCLOSEREC:
VIsual_reselect = FALSE; // don't reselect now
opFoldRange(oap->start.lnum, oap->end.lnum,
oap->op_type == OP_FOLDOPEN
|| oap->op_type == OP_FOLDOPENREC,
oap->op_type == OP_FOLDOPENREC
|| oap->op_type == OP_FOLDCLOSEREC,
oap->is_VIsual);
break;
case OP_FOLDDEL:
case OP_FOLDDELREC:
VIsual_reselect = FALSE; // don't reselect now
deleteFold(oap->start.lnum, oap->end.lnum,
oap->op_type == OP_FOLDDELREC, oap->is_VIsual);
break;
#endif
case OP_NR_ADD:
case OP_NR_SUB:
if (empty_region_error)
{
vim_beep(BO_OPER);
CancelRedo();
}
else
{
VIsual_active = TRUE;
#ifdef FEAT_LINEBREAK
restore_lbr(lbr_saved);
#endif
op_addsub(oap, cap->count1, redo_VIsual.rv_arg);
VIsual_active = FALSE;
}
check_cursor_col();
break;
default:
clearopbeep(oap);
}
virtual_op = MAYBE;
if (!gui_yank)
{
// if 'sol' not set, go back to old column for some commands
if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted
&& (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT
|| oap->op_type == OP_DELETE))
{
#ifdef FEAT_LINEBREAK
(void)reset_lbr();
#endif
coladvance(curwin->w_curswant = old_col);
}
}
else
{
curwin->w_cursor = old_cursor;
}
oap->block_mode = FALSE;
clearop(oap);
motion_force = NUL;
}
#ifdef FEAT_LINEBREAK
restore_lbr(lbr_saved);
#endif
}
// put byte 'c' at position 'lp', but
// verify, that the position to place
// is actually safe
static void
pbyte(pos_T lp, int c)
{
char_u *p = ml_get_buf(curbuf, lp.lnum, TRUE);
int len = curbuf->b_ml.ml_line_len;
// safety check
if (lp.col >= len)
lp.col = (len > 1 ? len - 2 : 0);
*(p + lp.col) = c;
}