268 lines
		
	
	
		
			8.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			268 lines
		
	
	
		
			8.4 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,
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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
 | |
|  * 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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| #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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| 
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| 
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| static const xf86ConfigSymTabRec SubModuleTab[] = {
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|     {ENDSUBSECTION, "endsubsection"},
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|     {OPTION, "option"},
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|     {-1, ""},
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| };
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| 
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| static const xf86ConfigSymTabRec ModuleTab[] = {
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|     {ENDSECTION, "endsection"},
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|     {LOAD, "load"},
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|     {DISABLE, "disable"},
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|     {LOAD_DRIVER, "loaddriver"},
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|     {SUBSECTION, "subsection"},
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|     {-1, ""},
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| };
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| 
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| #define CLEANUP xf86freeModules
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| 
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| static XF86LoadPtr
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| xf86parseModuleSubSection(XF86LoadPtr head, char *name)
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| {
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|     int token;
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| 
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|     parsePrologue(XF86LoadPtr, XF86LoadRec)
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| 
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|         ptr->load_name = name;
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|     ptr->load_type = XF86_LOAD_MODULE;
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|     ptr->ignore = 0;
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|     ptr->load_opt = NULL;
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|     ptr->list.next = NULL;
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| 
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|     while ((token = xf86getToken(SubModuleTab)) != ENDSUBSECTION) {
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|         switch (token) {
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|         case COMMENT:
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|             ptr->load_comment = xf86addComment(ptr->load_comment, xf86_lex_val.str);
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|             break;
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|         case OPTION:
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|             ptr->load_opt = xf86parseOption(ptr->load_opt);
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|             break;
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|         case EOF_TOKEN:
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|             xf86parseError(UNEXPECTED_EOF_MSG);
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|             free(ptr);
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|             return NULL;
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|         default:
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|             xf86parseError(INVALID_KEYWORD_MSG, xf86tokenString());
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|             free(ptr);
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|             return NULL;
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|             break;
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|         }
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| 
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|     }
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| 
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|     return ((XF86LoadPtr) xf86addListItem((glp) head, (glp) ptr));
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| }
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| 
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| XF86ConfModulePtr
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| xf86parseModuleSection(void)
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| {
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|     int token;
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| 
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|     parsePrologue(XF86ConfModulePtr, XF86ConfModuleRec)
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| 
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|         while ((token = xf86getToken(ModuleTab)) != ENDSECTION) {
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|         switch (token) {
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|         case COMMENT:
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|             ptr->mod_comment = xf86addComment(ptr->mod_comment, xf86_lex_val.str);
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|             break;
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|         case LOAD:
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|             if (xf86getSubToken(&(ptr->mod_comment)) != STRING)
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|                 Error(QUOTE_MSG, "Load");
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|             ptr->mod_load_lst =
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|                 xf86addNewLoadDirective(ptr->mod_load_lst, xf86_lex_val.str,
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|                                         XF86_LOAD_MODULE, NULL);
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|             break;
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|         case DISABLE:
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|             if (xf86getSubToken(&(ptr->mod_comment)) != STRING)
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|                 Error(QUOTE_MSG, "Disable");
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|             ptr->mod_disable_lst =
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|                 xf86addNewLoadDirective(ptr->mod_disable_lst, xf86_lex_val.str,
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|                                         XF86_DISABLE_MODULE, NULL);
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|             break;
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|         case LOAD_DRIVER:
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|             if (xf86getSubToken(&(ptr->mod_comment)) != STRING)
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|                 Error(QUOTE_MSG, "LoadDriver");
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|             ptr->mod_load_lst =
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|                 xf86addNewLoadDirective(ptr->mod_load_lst, xf86_lex_val.str,
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|                                         XF86_LOAD_DRIVER, NULL);
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|             break;
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|         case SUBSECTION:
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|             if (xf86getSubToken(&(ptr->mod_comment)) != STRING)
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|                 Error(QUOTE_MSG, "SubSection");
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|             ptr->mod_load_lst =
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|                 xf86parseModuleSubSection(ptr->mod_load_lst, xf86_lex_val.str);
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|             break;
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|         case EOF_TOKEN:
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|             Error(UNEXPECTED_EOF_MSG);
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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("Module 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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| xf86printModuleSection(FILE * cf, XF86ConfModulePtr ptr)
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| {
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|     XF86LoadPtr lptr;
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| 
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|     if (ptr == NULL)
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|         return;
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| 
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|     if (ptr->mod_comment)
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|         fprintf(cf, "%s", ptr->mod_comment);
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|     for (lptr = ptr->mod_load_lst; lptr; lptr = lptr->list.next) {
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|         switch (lptr->load_type) {
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|         case XF86_LOAD_MODULE:
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|             if (lptr->load_opt == NULL) {
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|                 fprintf(cf, "\tLoad  \"%s\"", lptr->load_name);
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|                 if (lptr->load_comment)
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|                     fprintf(cf, "%s", lptr->load_comment);
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|                 else
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|                     fputc('\n', cf);
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|             }
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|             else {
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|                 fprintf(cf, "\tSubSection \"%s\"\n", lptr->load_name);
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|                 if (lptr->load_comment)
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|                     fprintf(cf, "%s", lptr->load_comment);
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|                 xf86printOptionList(cf, lptr->load_opt, 2);
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|                 fprintf(cf, "\tEndSubSection\n");
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|             }
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|             break;
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|         case XF86_LOAD_DRIVER:
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|             fprintf(cf, "\tLoadDriver  \"%s\"", lptr->load_name);
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|             if (lptr->load_comment)
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|                 fprintf(cf, "%s", lptr->load_comment);
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|             else
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|                 fputc('\n', cf);
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|             break;
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| #if 0
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|         default:
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|             fprintf(cf, "#\tUnknown type  \"%s\"\n", lptr->load_name);
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|             break;
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| #endif
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|         }
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|     }
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| }
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| 
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| XF86LoadPtr
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| xf86addNewLoadDirective(XF86LoadPtr head, const char *name, int type,
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|                         XF86OptionPtr opts)
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| {
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|     XF86LoadPtr new;
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|     int token;
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| 
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|     new = calloc(1, sizeof(XF86LoadRec));
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|     new->load_name = name;
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|     new->load_type = type;
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|     new->load_opt = opts;
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|     new->ignore = 0;
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|     new->list.next = NULL;
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| 
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|     if ((token = xf86getToken(NULL)) == COMMENT)
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|         new->load_comment = xf86addComment(new->load_comment, xf86_lex_val.str);
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|     else
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|         xf86unGetToken(token);
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| 
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|     return ((XF86LoadPtr) xf86addListItem((glp) head, (glp) new));
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| }
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| 
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| void
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| xf86freeModules(XF86ConfModulePtr ptr)
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| {
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|     XF86LoadPtr lptr;
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|     XF86LoadPtr prev;
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| 
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|     if (ptr == NULL)
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|         return;
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|     lptr = ptr->mod_load_lst;
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|     while (lptr) {
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|         TestFree(lptr->load_name);
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|         TestFree(lptr->load_comment);
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|         prev = lptr;
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|         lptr = lptr->list.next;
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|         free(prev);
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|     }
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|     lptr = ptr->mod_disable_lst;
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|     while (lptr) {
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|         TestFree(lptr->load_name);
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|         TestFree(lptr->load_comment);
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|         prev = lptr;
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|         lptr = lptr->list.next;
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|         free(prev);
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|     }
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|     TestFree(ptr->mod_comment);
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|     free(ptr);
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| }
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