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Add no-argument version of commands and remove legacy_color

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-09-12 15:26:38 +02:00
parent 21d7be6612
commit 281d690594
2 changed files with 88 additions and 63 deletions
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102
grub-core/lib/legacy_parse.c
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@ -41,8 +41,11 @@ struct legacy_command
TYPE_REST_VERBATIM
} argt[4];
enum {
FLAG_IGNORE_REST = 1,
FLAG_SUFFIX = 2
FLAG_IGNORE_REST = 1,
FLAG_SUFFIX = 2,
FLAG_FALLBACK_AVAILABLE = 4,
FLAG_FALLBACK = 8,
FLAG_COLOR_INVERT = 16,
} flags;
const char *shortdesc;
const char *longdesc;
@ -65,8 +68,9 @@ struct legacy_command legacy_commands[] =
"FILE1 FILE2",
"Compare the file FILE1 with the FILE2 and inform the different values"
" if any."},
{"color", "legacy_color '%s' '%s'\n", 2, {TYPE_VERBATIM, TYPE_VERBATIM},
FLAG_IGNORE_REST, "NORMAL [HIGHLIGHT]",
{"color", "set color_normal='%s'; set color_highlight='%s'\n",
2, {TYPE_VERBATIM, TYPE_VERBATIM},
FLAG_IGNORE_REST | FLAG_FALLBACK_AVAILABLE, "NORMAL [HIGHLIGHT]",
"Change the menu colors. The color NORMAL is used for most"
" lines in the menu, and the color HIGHLIGHT is used to highlight the"
" line where the cursor points. If you omit HIGHLIGHT, then the"
@ -77,6 +81,9 @@ struct legacy_command legacy_commands[] =
" light-green, light-cyan, light-red, light-magenta, yellow and white."
" But only the first eight names can be used for BG. You can prefix"
" \"blink-\" to FG if you want a blinking foreground color."},
{"color", "set color_normal='%s'; set color_highlight='%s'\n",
1, {TYPE_VERBATIM},
FLAG_IGNORE_REST | FLAG_FALLBACK | FLAG_COLOR_INVERT, NULL, NULL},
{"configfile", "legacy_configfile '%s'\n", 1, {TYPE_FILE}, 0, "FILE",
"Load FILE as the configuration file."},
{"debug",
@ -160,10 +167,15 @@ struct legacy_command legacy_commands[] =
"FILE [ARG ...]",
"The same as `module', except that automatic decompression is"
" disabled."},
/* FIXME: allow toggle. */
{"pager", "set pager=%d\n", 1, {TYPE_BOOL}, 0, "[FLAG]",
{"pager", "set pager=%s; if [ \"$pager\" = 0 ]; then "
" echo Internal pager is now off; else echo Internal pager is now on; fi\n",
1, {TYPE_BOOL}, FLAG_FALLBACK_AVAILABLE, "[FLAG]",
"Toggle pager mode with no argument. If FLAG is given and its value"
" is `on', turn on the mode. If FLAG is `off', turn off the mode."},
{"pager",
"if [ \"$pager\" = 1 ]; then pager=0; echo Internal pager is now off;"
"else pager=1; echo Internal pager is now on; fi\n", 0, {},
FLAG_FALLBACK, NULL, NULL},
/* FIXME: partnew unsupported. */
{"parttype", "parttool '%s' type=%s\n", 2, {TYPE_PARTITION, TYPE_INT}, 0,
"PART TYPE", "Change the type of the partition PART to TYPE."},
@ -193,9 +205,8 @@ struct legacy_command legacy_commands[] =
"Read a 32-bit value from memory at address ADDR and"
" display it in hex format."},
{"reboot", "reboot\n", 0, {}, 0, 0, "Reboot your system."},
/* FIXME: Support printing. */
{"root", "set root='%s'; set legacy_hdbias='%s'\n",
2, {TYPE_PARTITION, TYPE_INT}, 0,
2, {TYPE_PARTITION, TYPE_INT}, FLAG_FALLBACK_AVAILABLE,
"[DEVICE [HDBIAS]]",
"Set the current \"root device\" to the device DEVICE, then"
" attempt to mount it to get the partition size (for passing the"
@ -207,6 +218,7 @@ struct legacy_command legacy_commands[] =
" how many BIOS drive numbers are on controllers before the current"
" one. For example, if there is an IDE disk and a SCSI disk, and your"
" FreeBSD root partition is on the SCSI disk, then use a `1' for HDBIAS."},
{"root", "echo \"$root\"\n", 0, {}, FLAG_FALLBACK, NULL, NULL},
{"rootnoverify", "set root='%s'; set legacy_hdbias='%s'\n",
2, {TYPE_PARTITION, TYPE_INT}, 0,
"[DEVICE [HDBIAS]]",
@ -215,6 +227,7 @@ struct legacy_command legacy_commands[] =
" GRUB can read, but setting the correct root device is still"
" desired. Note that the items mentioned in `root' which"
" derived from attempting the mount will NOT work correctly."},
{"rootnoverify", "echo \"$root\"\n", 0, {}, FLAG_FALLBACK, NULL, NULL},
/* FIXME: support saving NUM and fallback. */
{"savedefault", "saved_entry=${chosen}; save_env saved_entry\n", 0, {}, 0,
"[NUM | `fallback']",
@ -432,7 +445,6 @@ grub_legacy_parse (const char *buf, char **entryname, int *suffix)
grub_memset (args, 0, sizeof (args));
{
unsigned j = 0;
int hold_arg = 0;
const char *curarg = NULL;
for (i = 0; i < legacy_commands[cmdnum].argc + hold_arg; i++)
@ -445,6 +457,8 @@ grub_legacy_parse (const char *buf, char **entryname, int *suffix)
}
for (; grub_isspace (*ptr); ptr++);
curarg = ptr;
if (!*curarg)
break;
for (; *ptr && !grub_isspace (*ptr); ptr++);
if (i != legacy_commands[cmdnum].argc - 1
|| (legacy_commands[cmdnum].flags & FLAG_IGNORE_REST))
@ -463,7 +477,7 @@ grub_legacy_parse (const char *buf, char **entryname, int *suffix)
hold_arg = 1;
case TYPE_PARTITION:
case TYPE_FILE:
args[j++] = adjust_file (curarg, curarglen);
args[i] = adjust_file (curarg, curarglen);
break;
case TYPE_REST_VERBATIM:
@ -481,7 +495,7 @@ grub_legacy_parse (const char *buf, char **entryname, int *suffix)
ptr++;
overhead += 3;
}
outptr0 = args[j++] = grub_malloc (overhead + (ptr - curarg));
outptr0 = args[i] = grub_malloc (overhead + (ptr - curarg));
if (!outptr0)
return NULL;
ptr = curarg;
@ -507,7 +521,7 @@ grub_legacy_parse (const char *buf, char **entryname, int *suffix)
break;
case TYPE_VERBATIM:
args[j++] = grub_legacy_escape (curarg, curarglen);
args[i] = grub_legacy_escape (curarg, curarglen);
break;
case TYPE_FORCE_OPTION:
case TYPE_NOAPM_OPTION:
@ -515,10 +529,10 @@ grub_legacy_parse (const char *buf, char **entryname, int *suffix)
case TYPE_OPTION:
if (is_option (legacy_commands[cmdnum].argt[i], curarg, curarglen))
{
args[j++] = grub_strndup (curarg, curarglen);
args[i] = grub_strndup (curarg, curarglen);
break;
}
args[j++] = grub_strdup ("");
args[i] = grub_strdup ("");
hold_arg = 1;
break;
case TYPE_INT:
@ -526,8 +540,6 @@ grub_legacy_parse (const char *buf, char **entryname, int *suffix)
const char *brk;
int base = 10;
brk = curarg;
if (curarglen < 1)
args[j++] = grub_strdup ("0");
if (brk[0] == '0' && brk[1] == 'x')
base = 16;
else if (brk[0] == '0')
@ -545,21 +557,71 @@ grub_legacy_parse (const char *buf, char **entryname, int *suffix)
break;
}
if (brk == curarg)
args[j++] = grub_strdup ("0");
args[i] = grub_strdup ("0");
else
args[j++] = grub_strndup (curarg, brk - curarg);
args[i] = grub_strndup (curarg, brk - curarg);
}
break;
case TYPE_BOOL:
if (curarglen == 2 && curarg[0] == 'o' && curarg[1] == 'n')
args[j++] = grub_strdup ("1");
args[i] = grub_strdup ("1");
else
args[j++] = grub_strdup ("0");
args[i] = grub_strdup ("0");
break;
}
}
}
while (legacy_commands[cmdnum].argc > 0
&& args[legacy_commands[cmdnum].argc - 1] == NULL
&& (legacy_commands[cmdnum].flags & FLAG_FALLBACK_AVAILABLE)
&& args[legacy_commands[cmdnum + 1].argc] == NULL)
cmdnum++;
for (; i < legacy_commands[cmdnum].argc; i++)
switch (legacy_commands[cmdnum].argt[i])
{
case TYPE_FILE_NO_CONSUME:
case TYPE_PARTITION:
case TYPE_FILE:
case TYPE_REST_VERBATIM:
case TYPE_VERBATIM:
case TYPE_FORCE_OPTION:
case TYPE_NOAPM_OPTION:
case TYPE_TYPE_OR_NOMEM_OPTION:
case TYPE_OPTION:
args[i] = grub_strdup ("");
break;
case TYPE_BOOL:
case TYPE_INT:
args[i] = grub_strdup ("0");
break;
}
if (legacy_commands[cmdnum].flags & FLAG_COLOR_INVERT)
{
char *corig = args[legacy_commands[cmdnum].argc - 1];
char *slash = grub_strchr (corig, '/');
char *invert;
grub_size_t len;
len = grub_strlen (corig);
if (!slash)
{
grub_error (GRUB_ERR_BAD_ARGUMENT, "bad color specification %s",
args[0]);
return NULL;
}
invert = grub_malloc (len + 1);
if (!invert)
return NULL;
grub_memcpy (invert, slash + 1, len - (slash - corig) - 1);
invert[len - (slash - args[0]) - 1] = '/';
grub_memcpy (invert + len - (slash - corig), corig, slash - corig);
invert[len] = 0;
args[legacy_commands[cmdnum].argc] = invert;
}
{
char *ret = grub_xasprintf (legacy_commands[cmdnum].map, args[0], args[1],
args[2], args[3]);