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patch 9.0.1369: still some "else if" constructs for setting options

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Problem:    Still some "else if" constructs for setting options.
Solution:   Add a few more functions for handling options. (Yegappan
            Lakshmanan, closes #12090)
This commit is contained in:
Yegappan Lakshmanan
2023-03-02 14:46:48 +00:00
committed by Bram Moolenaar
parent 4ed914b18a
commit c6ff21e876
8 changed files with 186 additions and 208 deletions
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215
src/option.c
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@@ -916,30 +916,24 @@ set_init_2(void)
{
int idx;
/*
* 'scroll' defaults to half the window height. The stored default is zero,
* which results in the actual value computed from the window height.
*/
// 'scroll' defaults to half the window height. The stored default is zero,
// which results in the actual value computed from the window height.
idx = findoption((char_u *)"scroll");
if (idx >= 0 && !(options[idx].flags & P_WAS_SET))
set_option_default(idx, OPT_LOCAL, p_cp);
comp_col();
/*
* 'window' is only for backwards compatibility with Vi.
* Default is Rows - 1.
*/
// 'window' is only for backwards compatibility with Vi.
// Default is Rows - 1.
if (!option_was_set((char_u *)"window"))
p_window = Rows - 1;
set_number_default("window", Rows - 1);
// For DOS console the default is always black.
#if !((defined(MSWIN)) && !defined(FEAT_GUI))
/*
* If 'background' wasn't set by the user, try guessing the value,
* depending on the terminal name. Only need to check for terminals
* with a dark background, that can handle color.
*/
// If 'background' wasn't set by the user, try guessing the value,
// depending on the terminal name. Only need to check for terminals
// with a dark background, that can handle color.
idx = findoption((char_u *)"bg");
if (idx >= 0 && !(options[idx].flags & P_WAS_SET)
&& *term_bg_default() == 'd')
@@ -997,10 +991,8 @@ set_init_3(void)
p = get_isolated_shell_name();
if (p != NULL)
{
/*
* Default for p_sp is "| tee", for p_srr is ">".
* For known shells it is changed here to include stderr.
*/
// Default for p_sp is "| tee", for p_srr is ">".
// For known shells it is changed here to include stderr.
if ( fnamecmp(p, "csh") == 0
|| fnamecmp(p, "tcsh") == 0
# if defined(MSWIN) // also check with .exe extension
@@ -1251,11 +1243,9 @@ set_title_defaults(void)
int idx1;
long val;
/*
* If GUI is (going to be) used, we can always set the window title and
* icon name. Saves a bit of time, because the X11 display server does
* not need to be contacted.
*/
// If GUI is (going to be) used, we can always set the window title and
// icon name. Saves a bit of time, because the X11 display server does
// not need to be contacted.
idx1 = findoption((char_u *)"title");
if (idx1 >= 0 && !(options[idx1].flags & P_WAS_SET))
{
@@ -1387,9 +1377,7 @@ parse_option_name(char_u *arg, int *opt_idxp, int *lenp, int *keyp)
int nextchar; // next non-white char after option name
len = 0;
/*
* The two characters after "t_" may not be alphanumeric.
*/
// The two characters after "t_" may not be alphanumeric.
if (arg[0] == 't' && arg[1] == '_' && arg[2] && arg[3])
len = 4;
else
@@ -2075,11 +2063,9 @@ do_set_option_bool(
if (opt_idx < 0 || varp == NULL)
return NULL; // "cannot happen"
/*
* ":set opt!": invert
* ":set opt&": reset to default value
* ":set opt<": reset to global value
*/
// ":set opt!": invert
// ":set opt&": reset to default value
// ":set opt<": reset to global value
if (nextchar == '!')
value = *(int *)(varp) ^ 1;
else if (nextchar == '&')
@@ -2095,10 +2081,8 @@ do_set_option_bool(
}
else
{
/*
* ":set invopt": invert
* ":set opt" or ":set noopt": set or reset
*/
// ":set invopt": invert
// ":set opt" or ":set noopt": set or reset
if (nextchar != NUL && !VIM_ISWHITE(afterchar))
return e_trailing_characters;
if (prefix == PREFIX_INV)
@@ -2453,18 +2437,14 @@ do_set_option(
}
}
/*
* Allow '=' and ':' for historical reasons (MSDOS command.com).
* Allows only one '=' character per "set" command line. grrr. (jw)
*/
// Allow '=' and ':' for historical reasons (MSDOS command.com).
// Allows only one '=' character per "set" command line. grrr. (jw)
if (nextchar == '?'
|| (prefix == PREFIX_NONE
&& vim_strchr((char_u *)"=:&<", nextchar) == NULL
&& !(flags & P_BOOL)))
{
/*
* print value
*/
// print value
if (*did_show)
msg_putchar('\n'); // cursor below last one
else
@@ -2557,10 +2537,8 @@ do_set(
if (STRNCMP(arg, "all", 3) == 0 && !ASCII_ISALPHA(arg[3])
&& !(opt_flags & OPT_MODELINE))
{
/*
* ":set all" show all options.
* ":set all&" set all options to their default value.
*/
// ":set all" show all options.
// ":set all&" set all options to their default value.
arg += 3;
if (*arg == '&')
{
@@ -2597,12 +2575,10 @@ do_set(
if (stopopteval)
break;
/*
* Advance to next argument.
* - skip until a blank found, taking care of backslashes
* - skip blanks
* - skip one "=val" argument (for hidden options ":set gfn =xx")
*/
// Advance to next argument.
// - skip until a blank found, taking care of backslashes
// - skip blanks
// - skip one "=val" argument (for hidden options ":set gfn =xx")
for (i = 0; i < 2 ; ++i)
{
while (*arg != NUL && !VIM_ISWHITE(*arg))
@@ -2727,10 +2703,8 @@ set_options_bin(
int newval,
int opt_flags) // OPT_LOCAL and/or OPT_GLOBAL
{
/*
* The option values that are changed when 'bin' changes are
* copied when 'bin is set and restored when 'bin' is reset.
*/
// The option values that are changed when 'bin' changes are
// copied when 'bin is set and restored when 'bin' is reset.
if (newval)
{
if (!oldval) // switched on
@@ -2865,10 +2839,10 @@ didset_options2(void)
check_opt_wim();
// Parse default for 'listchars'.
(void)set_chars_option(curwin, &curwin->w_p_lcs, TRUE);
(void)set_listchars_option(curwin, curwin->w_p_lcs, TRUE);
// Parse default for 'fillchars'.
(void)set_chars_option(curwin, &curwin->w_p_fcs, TRUE);
(void)set_fillchars_option(curwin, curwin->w_p_fcs, TRUE);
#ifdef FEAT_CLIPBOARD
// Parse default for 'clipboard'
@@ -3698,9 +3672,7 @@ did_set_arabic(optset_T *args UNUSED)
if (curwin->w_p_arab)
{
/*
* 'arabic' is set, handle various sub-settings.
*/
// 'arabic' is set, handle various sub-settings.
if (!p_tbidi)
{
// set rightleft mode
@@ -3742,9 +3714,7 @@ did_set_arabic(optset_T *args UNUSED)
}
else
{
/*
* 'arabic' is reset, handle various sub-settings.
*/
// 'arabic' is reset, handle various sub-settings.
if (!p_tbidi)
{
// reset rightleft mode
@@ -3886,9 +3856,7 @@ set_bool_option(
if ((opt_flags & (OPT_LOCAL | OPT_GLOBAL)) == 0)
*(int *)get_varp_scope(&(options[opt_idx]), OPT_GLOBAL) = value;
/*
* Handle side effects of changing a bool option.
*/
// Handle side effects of changing a bool option.
if (options[opt_idx].opt_did_set_cb != NULL)
{
optset_T args;
@@ -4491,10 +4459,8 @@ check_num_option_bounds(
}
limit_screen_size();
/*
* If the screen (shell) height has been changed, assume it is the
* physical screenheight.
*/
// If the screen (shell) height has been changed, assume it is the
// physical screenheight.
if (old_Rows != Rows || old_Columns != Columns)
{
// Changing the screen size is not allowed while updating the screen.
@@ -4736,11 +4702,9 @@ findoption(char_u *arg)
static short quick_tab[27] = {0, 0}; // quick access table
int is_term_opt;
/*
* For first call: Initialize the quick-access table.
* It contains the index for the first option that starts with a certain
* letter. There are 26 letters, plus the first "t_" option.
*/
// For first call: Initialize the quick-access table.
// It contains the index for the first option that starts with a certain
// letter. There are 26 letters, plus the first "t_" option.
if (quick_tab[1] == 0)
{
p = options[0].fullname;
@@ -4757,9 +4721,7 @@ findoption(char_u *arg)
}
}
/*
* Check for name starting with an illegal character.
*/
// Check for name starting with an illegal character.
if (arg[0] < 'a' || arg[0] > 'z')
return -1;
@@ -5369,10 +5331,8 @@ find_key_option(char_u *arg_arg, int has_lt)
int modifiers;
char_u *arg = arg_arg;
/*
* Don't use get_special_key_code() for t_xx, we don't want it to call
* add_termcap_entry().
*/
// Don't use get_special_key_code() for t_xx, we don't want it to call
// add_termcap_entry().
if (arg[0] == 't' && arg[1] == '_' && arg[2] && arg[3])
key = TERMCAP2KEY(arg[2], arg[3]);
else if (has_lt)
@@ -5426,17 +5386,13 @@ showoptions(
else
msg_puts_title(_("\n--- Options ---"));
/*
* Do the loop two times:
* 1. display the short items
* 2. display the long items (only strings and numbers)
* When "opt_flags" has OPT_ONECOLUMN do everything in run 2.
*/
// Do the loop two times:
// 1. display the short items
// 2. display the long items (only strings and numbers)
// When "opt_flags" has OPT_ONECOLUMN do everything in run 2.
for (run = 1; run <= 2 && !got_int; ++run)
{
/*
* collect the items in items[]
*/
// collect the items in items[]
item_count = 0;
for (p = &options[0]; p->fullname != NULL; p++)
{
@@ -5473,9 +5429,7 @@ showoptions(
}
}
/*
* display the items
*/
// display the items
if (run == 1)
{
cols = (Columns + GAP - 3) / INC;
@@ -5863,11 +5817,9 @@ put_setbool(
void
clear_termoptions(void)
{
/*
* Reset a few things before clearing the old options. This may cause
* outputting a few things that the terminal doesn't understand, but the
* screen will be cleared later, so this is OK.
*/
// Reset a few things before clearing the old options. This may cause
// outputting a few things that the terminal doesn't understand, but the
// screen will be cleared later, so this is OK.
mch_setmouse(FALSE); // switch mouse off
mch_restore_title(SAVE_RESTORE_BOTH); // restore window titles
#if defined(FEAT_XCLIPBOARD) && defined(FEAT_GUI)
@@ -6083,12 +6035,12 @@ unset_global_local_option(char_u *name, void *from)
break;
case PV_LCS:
clear_string_option(&((win_T *)from)->w_p_lcs);
set_chars_option((win_T *)from, &((win_T *)from)->w_p_lcs, TRUE);
set_listchars_option((win_T *)from, ((win_T *)from)->w_p_lcs, TRUE);
redraw_later(UPD_NOT_VALID);
break;
case PV_FCS:
clear_string_option(&((win_T *)from)->w_p_fcs);
set_chars_option((win_T *)from, &((win_T *)from)->w_p_fcs, TRUE);
set_fillchars_option((win_T *)from, ((win_T *)from)->w_p_fcs, TRUE);
redraw_later(UPD_NOT_VALID);
break;
case PV_VE:
@@ -6494,8 +6446,8 @@ after_copy_winopt(win_T *wp)
fill_culopt_flags(NULL, wp);
check_colorcolumn(wp);
#endif
set_chars_option(wp, &wp->w_p_lcs, TRUE);
set_chars_option(wp, &wp->w_p_fcs, TRUE);
set_listchars_option(wp, wp->w_p_lcs, TRUE);
set_fillchars_option(wp, wp->w_p_fcs, TRUE);
}
static char_u *
@@ -6753,10 +6705,8 @@ buf_copy_options(buf_T *buf, int flags)
int dont_do_help;
int did_isk = FALSE;
/*
* Skip this when the option defaults have not been set yet. Happens when
* main() allocates the first buffer.
*/
// Skip this when the option defaults have not been set yet. Happens when
// main() allocates the first buffer.
if (p_cpo != NULL)
{
/*
@@ -6793,10 +6743,8 @@ buf_copy_options(buf_T *buf, int flags)
save_p_isk = buf->b_p_isk;
buf->b_p_isk = NULL;
}
/*
* Always free the allocated strings. If not already initialized,
* reset 'readonly' and copy 'fileformat'.
*/
// Always free the allocated strings. If not already initialized,
// reset 'readonly' and copy 'fileformat'.
if (!buf->b_p_initialized)
{
free_buf_options(buf, TRUE);
@@ -7027,12 +6975,10 @@ buf_copy_options(buf_T *buf, int flags)
buf->b_p_lw = empty_option;
buf->b_p_menc = empty_option;
/*
* Don't copy the options set by ex_help(), use the saved values,
* when going from a help buffer to a non-help buffer.
* Don't touch these at all when BCO_NOHELP is used and going from
* or to a help buffer.
*/
// Don't copy the options set by ex_help(), use the saved values,
// when going from a help buffer to a non-help buffer.
// Don't touch these at all when BCO_NOHELP is used and going from
// or to a help buffer.
if (dont_do_help)
{
buf->b_p_isk = save_p_isk;
@@ -7066,10 +7012,8 @@ buf_copy_options(buf_T *buf, int flags)
}
}
/*
* When the options should be copied (ignoring BCO_ALWAYS), set the
* flag that indicates that the options have been initialized.
*/
// When the options should be copied (ignoring BCO_ALWAYS), set the
// flag that indicates that the options have been initialized.
if (should_copy)
buf->b_p_initialized = TRUE;
}
@@ -7484,9 +7428,7 @@ ExpandSettings(
}
}
/*
* Check terminal key codes, these are not in the option table
*/
// Check terminal key codes, these are not in the option table
if (xp->xp_context != EXPAND_BOOL_SETTINGS && num_normal == 0)
{
for (opt_idx = 0; (str = get_termcode(opt_idx)) != NULL; opt_idx++)
@@ -7530,9 +7472,7 @@ ExpandSettings(
}
}
/*
* Check special key names.
*/
// Check special key names.
regmatch->rm_ic = TRUE; // ignore case here
for (opt_idx = 0; (str = get_key_name(opt_idx)) != NULL; opt_idx++)
{
@@ -7597,9 +7537,7 @@ ExpandOldSetting(int *numMatches, char_u ***matches)
if (*matches == NULL)
return FAIL;
/*
* For a terminal key code expand_option_idx is < 0.
*/
// For a terminal key code expand_option_idx is < 0.
if (expand_option_idx < 0)
{
var = find_termcode(expand_option_name + 2);
@@ -7735,10 +7673,8 @@ paste_option_changed(void)
if (p_paste)
{
/*
* Paste switched from off to on.
* Save the current values, so they can be restored later.
*/
// Paste switched from off to on.
// Save the current values, so they can be restored later.
if (!old_p_paste)
{
// save options for each buffer
@@ -7780,11 +7716,8 @@ paste_option_changed(void)
#endif
}
/*
* Always set the option values, also when 'paste' is set when it is
* already on.
*/
// set options for each buffer
// Always set the option values, also when 'paste' is set when it is
// already on. Set options for each buffer.
FOR_ALL_BUFFERS(buf)
{
buf->b_p_tw = 0; // textwidth is 0
@@ -7822,9 +7755,7 @@ paste_option_changed(void)
#endif
}
/*
* Paste switched from on to off: Restore saved values.
*/
// Paste switched from on to off: Restore saved values.
else if (old_p_paste)
{
// restore options for each buffer