xserver/hw/xfree86/parser/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);
}