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30496: Parse argument to %F and %K as prompt sequences

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This commit is contained in:
Mikael Magnusson 2013-03-10 12:33:04 +00:00
parent 26694406f2
commit 8a9b141652
2 changed files with 36 additions and 15 deletions
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8
ChangeLog
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@ -1,3 +1,9 @@
2013-03-10 Mikael Magnusson <mikachu@gmail.com>
* 30496: Src/prompt.c: Parse argument to %F and %K as prompt
sequences. This allows constructs like %F{%3v} to use $psvar[3]
for the color.
2013-03-05 Peter Stephenson <p.w.stephenson@ntlworld.com>
* users/17666: Doc/Zsh/contrib.yo, Functions/Misc/zcalc: -f
@ -561,5 +567,5 @@
*****************************************************
* This is used by the shell to define $ZSH_PATCHLEVEL
* $Revision: 1.5812 $
* $Revision: 1.5813 $
*****************************************************

43
Src/prompt.c
View file

@ -232,6 +232,33 @@ promptexpand(char *s, int ns, char *rs, char *Rs, unsigned int *txtchangep)
return new_vars.buf;
}
/* Parse the argument for %F and %K */
static int
parsecolorchar(int arg, int is_fg)
{
if (bv->fm[1] == '{') {
char *ep;
bv->fm += 2; /* skip over F{ */
if ((ep = strchr(bv->fm, '}'))) {
char oc = *ep, *col, *coll;
*ep = '\0';
/* expand the contents of the argument so you can use
* %v for example */
coll = col = promptexpand(bv->fm, 0, NULL, NULL, NULL);
*ep = oc;
arg = match_colour((const char **)&coll, is_fg, 0);
free(col);
bv->fm = ep;
} else {
arg = match_colour((const char **)&bv->fm, is_fg, 0);
if (*bv->fm != '}')
bv->fm--;
}
} else
arg = match_colour(NULL, 1, arg);
return arg;
}
/* Perform %- and !-expansion as required on a section of the prompt. The *
* section is ended by an instance of endchar. If doprint is 0, the valid *
* % sequences are merely skipped over, and nothing is stored. */
@ -494,13 +521,7 @@ putpromptchar(int doprint, int endchar, unsigned int *txtchangep)
tsetcap(TCUNDERLINEEND, TSC_PROMPT|TSC_DIRTY);
break;
case 'F':
if (bv->fm[1] == '{') {
bv->fm += 2;
arg = match_colour((const char **)&bv->fm, 1, 0);
if (*bv->fm != '}')
bv->fm--;
} else
arg = match_colour(NULL, 1, arg);
arg = parsecolorchar(arg, 1);
if (arg >= 0 && !(arg & TXTNOFGCOLOUR)) {
txtchangeset(txtchangep, arg & TXT_ATTR_FG_ON_MASK,
TXTNOFGCOLOUR);
@ -515,13 +536,7 @@ putpromptchar(int doprint, int endchar, unsigned int *txtchangep)
set_colour_attribute(TXTNOFGCOLOUR, COL_SEQ_FG, TSC_PROMPT);
break;
case 'K':
if (bv->fm[1] == '{') {
bv->fm += 2;
arg = match_colour((const char **)&bv->fm, 0, 0);
if (*bv->fm != '}')
bv->fm--;
} else
arg = match_colour(NULL, 0, arg);
arg = parsecolorchar(arg, 0);
if (arg >= 0 && !(arg & TXTNOBGCOLOUR)) {
txtchangeset(txtchangep, arg & TXT_ATTR_BG_ON_MASK,
TXTNOBGCOLOUR);