hw/xfree86/parser/Extensions.c

   1 /*
   2  * Copyright 2004 Red Hat Inc., Raleigh, North Carolina.
   3  *
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation on the rights to use, copy, modify, merge,
  10  * publish, distribute, sublicense, and/or sell copies of the Software,
  11  * and to permit persons to whom the Software is furnished to do so,
  12  * subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial
  16  * portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
  22  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  23  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  */
  27
  28 /*
  29  * Authors:
  30  *   Kevin E. Martin <kem@redhat.com>
  31  *
  32  */
  33
  34 #ifdef HAVE_XORG_CONFIG_H
  35 #include <xorg-config.h>
  36 #endif
  37
  38 #include "xf86Parser.h"
  39 #include "xf86tokens.h"
  40 #include "Configint.h"
  41
  42 extern LexRec val;
  43
  44 static xf86ConfigSymTabRec ExtensionsTab[] = {
  45     {ENDSECTION, "endsection"},
  46     {OPTION, "option"},
  47     {-1, ""},
  48 };
  49
  50 #define CLEANUP xf86freeExtensions
  51
  52 XF86ConfExtensionsPtr
  53 xf86parseExtensionsSection(void)
  54 {
  55     int token;
  56
  57     parsePrologue(XF86ConfExtensionsPtr, XF86ConfExtensionsRec);
  58
  59     while ((token = xf86getToken(ExtensionsTab)) != ENDSECTION) {
  60         switch (token) {
  61         case OPTION:
  62             ptr->ext_option_lst = xf86parseOption(ptr->ext_option_lst);
  63             break;
  64         case EOF_TOKEN:
  65             Error(UNEXPECTED_EOF_MSG);
  66             break;
  67         case COMMENT:
  68             ptr->extensions_comment =
  69                 xf86addComment(ptr->extensions_comment, val.str);
  70             break;
  71         default:
  72             Error(INVALID_KEYWORD_MSG, xf86tokenString());
  73             break;
  74         }
  75     }
  76
  77 #ifdef DEBUG
  78     ErrorF("Extensions section parsed\n");
  79 #endif
  80
  81     return ptr;
  82 }
  83
  84 #undef CLEANUP
  85
  86 void
  87 xf86printExtensionsSection(FILE * cf, XF86ConfExtensionsPtr ptr)
  88 {
  89     XF86OptionPtr p;
  90
  91     if (ptr == NULL || ptr->ext_option_lst == NULL)
  92         return;
  93
  94     p = ptr->ext_option_lst;
  95     fprintf(cf, "Section \"Extensions\"\n");
  96     if (ptr->extensions_comment)
  97         fprintf(cf, "%s", ptr->extensions_comment);
  98     xf86printOptionList(cf, p, 1);
  99     fprintf(cf, "EndSection\n\n");
 100 }
 101
 102 void
 103 xf86freeExtensions(XF86ConfExtensionsPtr ptr)
 104 {
 105     if (ptr == NULL)
 106         return;
 107
 108     xf86optionListFree(ptr->ext_option_lst);
 109     TestFree(ptr->extensions_comment);
 110     free(ptr);
 111 }