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