/* Set up to read subsequent input from STRING.
STRING is free ()'ed when we are done with it. */
void
_rl_with_macro_input (char *string)
{
if (macro_level > MAX_MACRO_LEVEL)
{
_rl_errmsg ("maximum macro execution nesting level exceeded");
_rl_abort_internal ();
return;
}
#if 0
if (rl_executing_macro) /* XXX - later */
#endif
_rl_push_executing_macro ();
rl_executing_macro = string;
executing_macro_index = 0;
RL_SETSTATE(RL_STATE_MACROINPUT);
}
void _rl_parse_colors()
{
#if defined (COLOR_SUPPORT)
const char *p; /* Pointer to character being parsed */
char *buf; /* color_buf buffer pointer */
int state; /* State of parser */
int ind_no; /* Indicator number */
char label[3]; /* Indicator label */
COLOR_EXT_TYPE *ext; /* Extension we are working on */
p = sh_get_env_value ("LS_COLORS");
if (p == 0 || *p == '\0')
{
_rl_color_ext_list = NULL;
return;
}
ext = NULL;
strcpy (label, "??");
/* This is an overly conservative estimate, but any possible
LS_COLORS string will *not* generate a color_buf longer than
itself, so it is a safe way of allocating a buffer in
advance. */
buf = color_buf = savestring (p);
state = 1;
while (state > 0)
{
switch (state)
{
case 1: /* First label character */
switch (*p)
{
case ':':
++p;
break;
case '*':
/* Allocate new extension block and add to head of
linked list (this way a later definition will
override an earlier one, which can be useful for
having terminal-specific defs override global). */
ext = (COLOR_EXT_TYPE *)xmalloc (sizeof *ext);
ext->next = _rl_color_ext_list;
_rl_color_ext_list = ext;
++p;
ext->ext.string = buf;
state = (get_funky_string (&buf, &p, true, &ext->ext.len)
? 4 : -1);
break;
case '\0':
state = 0; /* Done! */
break;
default: /* Assume it is file type label */
label[0] = *(p++);
state = 2;
break;
}
break;
case 2: /* Second label character */
if (*p)
{
label[1] = *(p++);
state = 3;
}
else
state = -1; /* Error */
break;
case 3: /* Equal sign after indicator label */
state = -1; /* Assume failure... */
if (*(p++) == '=')/* It *should* be... */
{
for (ind_no = 0; indicator_name[ind_no] != NULL; ++ind_no)
{
if (STREQ (label, indicator_name[ind_no]))
{
_rl_color_indicator[ind_no].string = buf;
state = (get_funky_string (&buf, &p, false,
&_rl_color_indicator[ind_no].len)
? 1 : -1);
break;
}
}
if (state == -1)
{
_rl_errmsg ("LS_COLORS: unrecognized prefix: %s", label);
/* recover from an unrecognized prefix */
while (p && *p && *p != ':')
p++;
if (p && *p == ':')
state = 1;
else if (p && *p == 0)
state = 0;
}
}
break;
case 4: /* Equal sign after *.ext */
if (*(p++) == '=')
{
ext->seq.string = buf;
state = (get_funky_string (&buf, &p, false, &ext->seq.len)
? 1 : -1);
}
else
state = -1;
/* XXX - recover here as with an unrecognized prefix? */
if (state == -1 && ext->ext.string)
_rl_errmsg ("LS_COLORS: syntax error: %s", ext->ext.string);
break;
}
}
if (state < 0)
{
COLOR_EXT_TYPE *e;
COLOR_EXT_TYPE *e2;
_rl_errmsg ("unparsable value for LS_COLORS environment variable");
free (color_buf);
for (e = _rl_color_ext_list; e != NULL; /* empty */)
{
e2 = e;
e = e->next;
free (e2);
}
_rl_color_ext_list = NULL;
_rl_colored_stats = 0; /* can't have colored stats without colors */
}
#else /* !COLOR_SUPPORT */
;
#endif /* !COLOR_SUPPORT */
}
