495 lines
11 KiB
C
495 lines
11 KiB
C
|
/* $XFree86: xc/programs/Xserver/hw/xfree86/parser/Flags.c,v 1.22 2003/01/04 20:20:22 paulo Exp $ */
|
||
|
/*
|
||
|
*
|
||
|
* Copyright (c) 1997 Metro Link Incorporated
|
||
|
*
|
||
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
||
|
* copy of this software and associated documentation files (the "Software"),
|
||
|
* to deal in the Software without restriction, including without limitation
|
||
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||
|
* and/or sell copies of the Software, and to permit persons to whom the
|
||
|
* Software is furnished to do so, subject to the following conditions:
|
||
|
*
|
||
|
* The above copyright notice and this permission notice shall be included in
|
||
|
* all copies or substantial portions of the Software.
|
||
|
*
|
||
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||
|
* THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
||
|
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
||
|
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
|
* SOFTWARE.
|
||
|
*
|
||
|
* Except as contained in this notice, the name of the Metro Link shall not be
|
||
|
* used in advertising or otherwise to promote the sale, use or other dealings
|
||
|
* in this Software without prior written authorization from Metro Link.
|
||
|
*
|
||
|
*/
|
||
|
|
||
|
/* View/edit this file with tab stops set to 4 */
|
||
|
|
||
|
#include "xf86Parser.h"
|
||
|
#include "xf86tokens.h"
|
||
|
#include "Configint.h"
|
||
|
#include <math.h>
|
||
|
|
||
|
extern LexRec val;
|
||
|
|
||
|
static xf86ConfigSymTabRec ServerFlagsTab[] =
|
||
|
{
|
||
|
{ENDSECTION, "endsection"},
|
||
|
{NOTRAPSIGNALS, "notrapsignals"},
|
||
|
{DONTZAP, "dontzap"},
|
||
|
{DONTZOOM, "dontzoom"},
|
||
|
{DISABLEVIDMODE, "disablevidmodeextension"},
|
||
|
{ALLOWNONLOCAL, "allownonlocalxvidtune"},
|
||
|
{DISABLEMODINDEV, "disablemodindev"},
|
||
|
{MODINDEVALLOWNONLOCAL, "allownonlocalmodindev"},
|
||
|
{ALLOWMOUSEOPENFAIL, "allowmouseopenfail"},
|
||
|
{OPTION, "option"},
|
||
|
{BLANKTIME, "blanktime"},
|
||
|
{STANDBYTIME, "standbytime"},
|
||
|
{SUSPENDTIME, "suspendtime"},
|
||
|
{OFFTIME, "offtime"},
|
||
|
{DEFAULTLAYOUT, "defaultserverlayout"},
|
||
|
{-1, ""},
|
||
|
};
|
||
|
|
||
|
#define CLEANUP xf86freeFlags
|
||
|
|
||
|
XF86ConfFlagsPtr
|
||
|
xf86parseFlagsSection (void)
|
||
|
{
|
||
|
int token;
|
||
|
parsePrologue (XF86ConfFlagsPtr, XF86ConfFlagsRec)
|
||
|
|
||
|
while ((token = xf86getToken (ServerFlagsTab)) != ENDSECTION)
|
||
|
{
|
||
|
int hasvalue = FALSE;
|
||
|
int strvalue = FALSE;
|
||
|
int tokentype;
|
||
|
switch (token)
|
||
|
{
|
||
|
case COMMENT:
|
||
|
ptr->flg_comment = xf86addComment(ptr->flg_comment, val.str);
|
||
|
break;
|
||
|
/*
|
||
|
* these old keywords are turned into standard generic options.
|
||
|
* we fall through here on purpose
|
||
|
*/
|
||
|
case DEFAULTLAYOUT:
|
||
|
strvalue = TRUE;
|
||
|
case BLANKTIME:
|
||
|
case STANDBYTIME:
|
||
|
case SUSPENDTIME:
|
||
|
case OFFTIME:
|
||
|
hasvalue = TRUE;
|
||
|
case NOTRAPSIGNALS:
|
||
|
case DONTZAP:
|
||
|
case DONTZOOM:
|
||
|
case DISABLEVIDMODE:
|
||
|
case ALLOWNONLOCAL:
|
||
|
case DISABLEMODINDEV:
|
||
|
case MODINDEVALLOWNONLOCAL:
|
||
|
case ALLOWMOUSEOPENFAIL:
|
||
|
{
|
||
|
int i = 0;
|
||
|
while (ServerFlagsTab[i].token != -1)
|
||
|
{
|
||
|
char *tmp;
|
||
|
|
||
|
if (ServerFlagsTab[i].token == token)
|
||
|
{
|
||
|
char *valstr = NULL;
|
||
|
/* can't use strdup because it calls malloc */
|
||
|
tmp = xf86configStrdup (ServerFlagsTab[i].name);
|
||
|
if (hasvalue)
|
||
|
{
|
||
|
tokentype = xf86getSubToken(&(ptr->flg_comment));
|
||
|
if (strvalue) {
|
||
|
if (tokentype != STRING)
|
||
|
Error (QUOTE_MSG, tmp);
|
||
|
valstr = val.str;
|
||
|
} else {
|
||
|
if (tokentype != NUMBER)
|
||
|
Error (NUMBER_MSG, tmp);
|
||
|
valstr = xf86confmalloc(16);
|
||
|
if (valstr)
|
||
|
sprintf(valstr, "%d", val.num);
|
||
|
}
|
||
|
}
|
||
|
ptr->flg_option_lst = xf86addNewOption
|
||
|
(ptr->flg_option_lst, tmp, valstr);
|
||
|
}
|
||
|
i++;
|
||
|
}
|
||
|
}
|
||
|
break;
|
||
|
case OPTION:
|
||
|
ptr->flg_option_lst = xf86parseOption(ptr->flg_option_lst);
|
||
|
break;
|
||
|
|
||
|
case EOF_TOKEN:
|
||
|
Error (UNEXPECTED_EOF_MSG, NULL);
|
||
|
break;
|
||
|
default:
|
||
|
Error (INVALID_KEYWORD_MSG, xf86tokenString ());
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#ifdef DEBUG
|
||
|
printf ("Flags section parsed\n");
|
||
|
#endif
|
||
|
|
||
|
return ptr;
|
||
|
}
|
||
|
|
||
|
#undef CLEANUP
|
||
|
|
||
|
void
|
||
|
xf86printServerFlagsSection (FILE * f, XF86ConfFlagsPtr flags)
|
||
|
{
|
||
|
XF86OptionPtr p;
|
||
|
|
||
|
if ((!flags) || (!flags->flg_option_lst))
|
||
|
return;
|
||
|
p = flags->flg_option_lst;
|
||
|
fprintf (f, "Section \"ServerFlags\"\n");
|
||
|
if (flags->flg_comment)
|
||
|
fprintf (f, "%s", flags->flg_comment);
|
||
|
xf86printOptionList(f, p, 1);
|
||
|
fprintf (f, "EndSection\n\n");
|
||
|
}
|
||
|
|
||
|
static XF86OptionPtr
|
||
|
addNewOption2 (XF86OptionPtr head, char *name, char *val, int used)
|
||
|
{
|
||
|
XF86OptionPtr new, old = NULL;
|
||
|
|
||
|
/* Don't allow duplicates */
|
||
|
if (head != NULL && (old = xf86findOption(head, name)) != NULL)
|
||
|
new = old;
|
||
|
else {
|
||
|
new = xf86confcalloc (1, sizeof (XF86OptionRec));
|
||
|
new->list.next = NULL;
|
||
|
}
|
||
|
new->opt_name = name;
|
||
|
new->opt_val = val;
|
||
|
new->opt_used = used;
|
||
|
|
||
|
if (old == NULL)
|
||
|
return ((XF86OptionPtr) xf86addListItem ((glp) head, (glp) new));
|
||
|
else
|
||
|
return head;
|
||
|
}
|
||
|
|
||
|
XF86OptionPtr
|
||
|
xf86addNewOption (XF86OptionPtr head, char *name, char *val)
|
||
|
{
|
||
|
return addNewOption2(head, name, val, 0);
|
||
|
}
|
||
|
|
||
|
void
|
||
|
xf86freeFlags (XF86ConfFlagsPtr flags)
|
||
|
{
|
||
|
if (flags == NULL)
|
||
|
return;
|
||
|
xf86optionListFree (flags->flg_option_lst);
|
||
|
TestFree(flags->flg_comment);
|
||
|
xf86conffree (flags);
|
||
|
}
|
||
|
|
||
|
XF86OptionPtr
|
||
|
xf86optionListDup (XF86OptionPtr opt)
|
||
|
{
|
||
|
XF86OptionPtr newopt = NULL;
|
||
|
|
||
|
while (opt)
|
||
|
{
|
||
|
newopt = xf86addNewOption(newopt, xf86configStrdup(opt->opt_name),
|
||
|
xf86configStrdup(opt->opt_val));
|
||
|
newopt->opt_used = opt->opt_used;
|
||
|
if (opt->opt_comment)
|
||
|
newopt->opt_comment = xf86configStrdup(opt->opt_comment);
|
||
|
opt = opt->list.next;
|
||
|
}
|
||
|
return newopt;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
xf86optionListFree (XF86OptionPtr opt)
|
||
|
{
|
||
|
XF86OptionPtr prev;
|
||
|
|
||
|
while (opt)
|
||
|
{
|
||
|
TestFree (opt->opt_name);
|
||
|
TestFree (opt->opt_val);
|
||
|
TestFree (opt->opt_comment);
|
||
|
prev = opt;
|
||
|
opt = opt->list.next;
|
||
|
xf86conffree (prev);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
char *
|
||
|
xf86optionName(XF86OptionPtr opt)
|
||
|
{
|
||
|
if (opt)
|
||
|
return opt->opt_name;
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
char *
|
||
|
xf86optionValue(XF86OptionPtr opt)
|
||
|
{
|
||
|
if (opt)
|
||
|
return opt->opt_val;
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
XF86OptionPtr
|
||
|
xf86newOption(char *name, char *value)
|
||
|
{
|
||
|
XF86OptionPtr opt;
|
||
|
|
||
|
opt = xf86confcalloc(1, sizeof (XF86OptionRec));
|
||
|
if (!opt)
|
||
|
return NULL;
|
||
|
|
||
|
opt->opt_used = 0;
|
||
|
opt->list.next = 0;
|
||
|
opt->opt_name = name;
|
||
|
opt->opt_val = value;
|
||
|
|
||
|
return opt;
|
||
|
}
|
||
|
|
||
|
XF86OptionPtr
|
||
|
xf86nextOption(XF86OptionPtr list)
|
||
|
{
|
||
|
if (!list)
|
||
|
return NULL;
|
||
|
return list->list.next;
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* this function searches the given option list for the named option and
|
||
|
* returns a pointer to the option rec if found. If not found, it returns
|
||
|
* NULL
|
||
|
*/
|
||
|
|
||
|
XF86OptionPtr
|
||
|
xf86findOption (XF86OptionPtr list, const char *name)
|
||
|
{
|
||
|
while (list)
|
||
|
{
|
||
|
if (xf86nameCompare (list->opt_name, name) == 0)
|
||
|
return (list);
|
||
|
list = list->list.next;
|
||
|
}
|
||
|
return (NULL);
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* this function searches the given option list for the named option. If
|
||
|
* found and the option has a parameter, a pointer to the parameter is
|
||
|
* returned. If the option does not have a parameter an empty string is
|
||
|
* returned. If the option is not found, a NULL is returned.
|
||
|
*/
|
||
|
|
||
|
char *
|
||
|
xf86findOptionValue (XF86OptionPtr list, const char *name)
|
||
|
{
|
||
|
XF86OptionPtr p = xf86findOption (list, name);
|
||
|
|
||
|
if (p)
|
||
|
{
|
||
|
if (p->opt_val)
|
||
|
return (p->opt_val);
|
||
|
else
|
||
|
return "";
|
||
|
}
|
||
|
return (NULL);
|
||
|
}
|
||
|
|
||
|
XF86OptionPtr
|
||
|
xf86optionListCreate( const char **options, int count, int used )
|
||
|
{
|
||
|
XF86OptionPtr p = NULL;
|
||
|
char *t1, *t2;
|
||
|
int i;
|
||
|
|
||
|
if (count == -1)
|
||
|
{
|
||
|
for (count = 0; options[count]; count++)
|
||
|
;
|
||
|
}
|
||
|
if( (count % 2) != 0 )
|
||
|
{
|
||
|
fprintf( stderr, "xf86optionListCreate: count must be an even number.\n" );
|
||
|
return (NULL);
|
||
|
}
|
||
|
for (i = 0; i < count; i += 2)
|
||
|
{
|
||
|
/* can't use strdup because it calls malloc */
|
||
|
t1 = xf86confmalloc (sizeof (char) *
|
||
|
(strlen (options[i]) + 1));
|
||
|
strcpy (t1, options[i]);
|
||
|
t2 = xf86confmalloc (sizeof (char) *
|
||
|
(strlen (options[i + 1]) + 1));
|
||
|
strcpy (t2, options[i + 1]);
|
||
|
p = addNewOption2 (p, t1, t2, used);
|
||
|
}
|
||
|
|
||
|
return (p);
|
||
|
}
|
||
|
|
||
|
/* the 2 given lists are merged. If an option with the same name is present in
|
||
|
* both, the option from the user list - specified in the second argument -
|
||
|
* is used. The end result is a single valid list of options. Duplicates
|
||
|
* are freed, and the original lists are no longer guaranteed to be complete.
|
||
|
*/
|
||
|
XF86OptionPtr
|
||
|
xf86optionListMerge (XF86OptionPtr head, XF86OptionPtr tail)
|
||
|
{
|
||
|
XF86OptionPtr a, b, ap = NULL, bp = NULL;
|
||
|
|
||
|
a = tail;
|
||
|
b = head;
|
||
|
while (tail && b) {
|
||
|
if (xf86nameCompare (a->opt_name, b->opt_name) == 0) {
|
||
|
if (b == head)
|
||
|
head = a;
|
||
|
else
|
||
|
bp->list.next = a;
|
||
|
if (a == tail)
|
||
|
tail = a->list.next;
|
||
|
else
|
||
|
ap->list.next = a->list.next;
|
||
|
a->list.next = b->list.next;
|
||
|
b->list.next = NULL;
|
||
|
xf86optionListFree (b);
|
||
|
b = a->list.next;
|
||
|
bp = a;
|
||
|
a = tail;
|
||
|
ap = NULL;
|
||
|
} else {
|
||
|
ap = a;
|
||
|
if (!(a = a->list.next)) {
|
||
|
a = tail;
|
||
|
bp = b;
|
||
|
b = b->list.next;
|
||
|
ap = NULL;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (head) {
|
||
|
for (a = head; a->list.next; a = a->list.next)
|
||
|
;
|
||
|
a->list.next = tail;
|
||
|
} else
|
||
|
head = tail;
|
||
|
|
||
|
return (head);
|
||
|
}
|
||
|
|
||
|
char *
|
||
|
xf86uLongToString(unsigned long i)
|
||
|
{
|
||
|
char *s;
|
||
|
int l;
|
||
|
|
||
|
l = (int)(ceil(log10((double)i) + 2.5));
|
||
|
s = xf86confmalloc(l);
|
||
|
if (!s)
|
||
|
return NULL;
|
||
|
sprintf(s, "%lu", i);
|
||
|
return s;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
xf86debugListOptions(XF86OptionPtr Options)
|
||
|
{
|
||
|
while (Options) {
|
||
|
ErrorF("Option: %s Value: %s\n",Options->opt_name,Options->opt_val);
|
||
|
Options = Options->list.next;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
XF86OptionPtr
|
||
|
xf86parseOption(XF86OptionPtr head)
|
||
|
{
|
||
|
XF86OptionPtr option, cnew, old;
|
||
|
char *name, *comment = NULL;
|
||
|
int token;
|
||
|
|
||
|
if ((token = xf86getSubToken(&comment)) != STRING) {
|
||
|
xf86parseError(BAD_OPTION_MSG, NULL);
|
||
|
if (comment)
|
||
|
xf86conffree(comment);
|
||
|
return (head);
|
||
|
}
|
||
|
|
||
|
name = val.str;
|
||
|
if ((token = xf86getSubToken(&comment)) == STRING) {
|
||
|
option = xf86newOption(name, val.str);
|
||
|
option->opt_comment = comment;
|
||
|
if ((token = xf86getToken(NULL)) == COMMENT)
|
||
|
option->opt_comment = xf86addComment(option->opt_comment, val.str);
|
||
|
else
|
||
|
xf86unGetToken(token);
|
||
|
}
|
||
|
else {
|
||
|
option = xf86newOption(name, NULL);
|
||
|
option->opt_comment = comment;
|
||
|
if (token == COMMENT)
|
||
|
option->opt_comment = xf86addComment(option->opt_comment, val.str);
|
||
|
else
|
||
|
xf86unGetToken(token);
|
||
|
}
|
||
|
|
||
|
old = NULL;
|
||
|
|
||
|
/* Don't allow duplicates */
|
||
|
if (head != NULL && (old = xf86findOption(head, name)) != NULL) {
|
||
|
cnew = old;
|
||
|
xf86conffree(option->opt_name);
|
||
|
TestFree(option->opt_val);
|
||
|
TestFree(option->opt_comment);
|
||
|
xf86conffree(option);
|
||
|
}
|
||
|
else
|
||
|
cnew = option;
|
||
|
|
||
|
if (old == NULL)
|
||
|
return ((XF86OptionPtr)xf86addListItem((glp)head, (glp)cnew));
|
||
|
|
||
|
return (head);
|
||
|
}
|
||
|
|
||
|
void
|
||
|
xf86printOptionList(FILE *fp, XF86OptionPtr list, int tabs)
|
||
|
{
|
||
|
int i;
|
||
|
|
||
|
if (!list)
|
||
|
return;
|
||
|
while (list) {
|
||
|
for (i = 0; i < tabs; i++)
|
||
|
fputc('\t', fp);
|
||
|
if (list->opt_val)
|
||
|
fprintf(fp, "Option \"%s\" \"%s\"", list->opt_name, list->opt_val);
|
||
|
else
|
||
|
fprintf(fp, "Option \"%s\"", list->opt_name);
|
||
|
if (list->opt_comment)
|
||
|
fprintf(fp, "%s", list->opt_comment);
|
||
|
else
|
||
|
fputc('\n', fp);
|
||
|
list = list->list.next;
|
||
|
}
|
||
|
}
|