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Input.c

/* $XFree86: xc/programs/Xserver/hw/xfree86/parser/Input.c,v 1.14 2003/08/24 17:37:07 dawes 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.
 * 
 */
/*
 * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
 *
 * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 copyright holder(s)
 * and author(s) shall not be used in advertising or otherwise to promote
 * the sale, use or other dealings in this Software without prior written
 * authorization from the copyright holder(s) and author(s).
 */


/* View/edit this file with tab stops set to 4 */

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#include "xf86Parser.h"
#include "xf86tokens.h"
#include "Configint.h"

extern LexRec val;

static
xf86ConfigSymTabRec InputTab[] =
{
      {ENDSECTION, "endsection"},
      {IDENTIFIER, "identifier"},
      {OPTION, "option"},
      {DRIVER, "driver"},
      {-1, ""},
};

#define CLEANUP xf86freeInputList

XF86ConfInputPtr
xf86parseInputSection (void)
{
      int has_ident = FALSE;
      int token;
      parsePrologue (XF86ConfInputPtr, XF86ConfInputRec)

      while ((token = xf86getToken (InputTab)) != ENDSECTION)
      {
            switch (token)
            {
            case COMMENT:
                  ptr->inp_comment = xf86addComment(ptr->inp_comment, val.str);
                  break;
            case IDENTIFIER:
                  if (xf86getSubToken (&(ptr->inp_comment)) != STRING)
                        Error (QUOTE_MSG, "Identifier");
                  if (has_ident == TRUE)
                        Error (MULTIPLE_MSG, "Identifier");
                  ptr->inp_identifier = val.str;
                  has_ident = TRUE;
                  break;
            case DRIVER:
                  if (xf86getSubToken (&(ptr->inp_comment)) != STRING)
                        Error (QUOTE_MSG, "Driver");
                  ptr->inp_driver = val.str;
                  break;
            case OPTION:
                  ptr->inp_option_lst = xf86parseOption(ptr->inp_option_lst);
                  break;
            case EOF_TOKEN:
                  Error (UNEXPECTED_EOF_MSG, NULL);
                  break;
            default:
                  Error (INVALID_KEYWORD_MSG, xf86tokenString ());
                  break;
            }
      }

      if (!has_ident)
            Error (NO_IDENT_MSG, NULL);

#ifdef DEBUG
      printf ("InputDevice section parsed\n");
#endif

      return ptr;
}

#undef CLEANUP

void
xf86printInputSection (FILE * cf, XF86ConfInputPtr ptr)
{
      while (ptr)
      {
            fprintf (cf, "Section \"InputDevice\"\n");
            if (ptr->inp_comment)
                  fprintf (cf, "%s", ptr->inp_comment);
            if (ptr->inp_identifier)
                  fprintf (cf, "\tIdentifier  \"%s\"\n", ptr->inp_identifier);
            if (ptr->inp_driver)
                  fprintf (cf, "\tDriver      \"%s\"\n", ptr->inp_driver);
            xf86printOptionList(cf, ptr->inp_option_lst, 1);
            fprintf (cf, "EndSection\n\n");
            ptr = ptr->list.next;
      }
}

void
xf86freeInputList (XF86ConfInputPtr ptr)
{
      XF86ConfInputPtr prev;

      while (ptr)
      {
            TestFree (ptr->inp_identifier);
            TestFree (ptr->inp_driver);
            TestFree (ptr->inp_comment);
            xf86optionListFree (ptr->inp_option_lst);

            prev = ptr;
            ptr = ptr->list.next;
            xf86conffree (prev);
      }
}

int
xf86validateInput (XF86ConfigPtr p)
{
      XF86ConfInputPtr input = p->conf_input_lst;

#if 0 /* Enable this later */
      if (!input) {
            xf86validationError ("At least one InputDevice section is required.");
            return (FALSE);
      }
#endif

      while (input) {
            if (!input->inp_driver) {
                  xf86validationError (UNDEFINED_INPUTDRIVER_MSG, input->inp_identifier);
                  return (FALSE);
            }
            input = input->list.next;
      }
      return (TRUE);
}

XF86ConfInputPtr
xf86findInput (const char *ident, XF86ConfInputPtr p)
{
      while (p)
      {
            if (xf86nameCompare (ident, p->inp_identifier) == 0)
                  return (p);

            p = p->list.next;
      }
      return (NULL);
}

XF86ConfInputPtr
xf86findInputByDriver (const char *driver, XF86ConfInputPtr p)
{
      while (p)
      {
            if (xf86nameCompare (driver, p->inp_driver) == 0)
                  return (p);

            p = p->list.next;
      }
      return (NULL);
}


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